CN107464899B - battery wiring module - Google Patents

Abstract

Provided is a battery wiring module capable of reducing the number of locking mechanisms and components by forming a multi-layered cover, thereby realizing expansion of the wire protection space, reduction of man-hours for locking work, and cost reduction. The battery wiring module includes: a wire wiring body; first and second separation covers that cover the first and second wire wiring channel portions of the wire wiring body; and first and second electrode lids that are integrated by a hinge The electrode cover portion is provided on the upper ends of the side walls on both outer sides of the electric wire wiring body, and covers the range up to the first and second storage frame groups when the cover is closed. The 1st and 2nd separation cover is formed so that the part which coat|covers the long passage part of the 1st and 2nd wire wiring passage part is lower than the part which coat|covers the short passage part.

Description

battery wiring module

technical field

The present invention relates to a battery wiring module, and more particularly, to a battery wiring module mounted on a high-voltage secondary battery, which includes a plurality of electric wires and an electric wire wiring body for routing each electric wire.

Background technique

In vehicles such as hybrid vehicles and electric vehicles, a battery assembly in which a plurality of storage batteries are stacked is used as a power source for driving the vehicle. In this case, the battery assembly uses a battery wiring module to wire the covered wires, and the battery wiring module has a wire wiring body provided with a bus bar housing frame portion for housing the bus bars, a wire wiring channel portion, and the like. The electric wire routing channel portion routes electric wires connected to the bus bars. In the battery wiring module, in order to prevent contact with the bus bars and protect the wires, the wire wiring body is provided with a cover portion that covers a housing frame portion for housing the bus bars, a passage portion for wire wiring, and the like.

In such a conventional battery wiring module, it is known that the cover portion is locked by a locking portion 30 having a triangular protrusion 31 on the side wall 12 of the bus bar accommodating portion 6A. A first engaging portion provided on the upper portion; and a second engaging portion 32 provided on the side wall 23 of the cover portion 7A corresponding to the protrusion 31 (eg, Patent Document 1, paragraph 0018, FIG. 3 , etc.).

prior art literature

Patent Literature

Patent Document 1: Japanese Patent Laid-Open No. 2013-157119

SUMMARY OF THE INVENTION

The problem to be solved by the invention

However, in the battery wiring module, for example, a plurality of bus bar storage frame portions are arranged in two rows, and two rows of wire wiring channels are further provided along the bus bar storage frame portions of each row. In this case, in the battery wiring module 70 shown in FIG. 9 , a configuration can be considered in which the electrode cover parts 73 and 74 and the cover parts 71 and 72 are arranged adjacent to each other, and the electrode cover parts 73 and 74 are arranged in each row. The bus bars are covered with the accommodating part, and the cover parts 71 and 72 cover the wire routing channel part of each row.

When the conventional battery wiring module described in Patent Document 1 realizes the cover structure as shown in FIG. 9 , it is necessary for each cover part and each corresponding column of each bus bar storage frame part and each wire wiring part. The channel portion is provided with a locking mechanism corresponding to the aforementioned locking portion. Therefore, the conventional battery wiring module has the following problems: the number of locking mechanisms increases, the number of parts increases, the man-hours for locking operation increases, and the space for installing the locking mechanism is increased, resulting in a narrowing of the protection space for electric wires.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a battery wiring module capable of reducing the number of locking mechanisms and parts by forming a multi-layered cover, thereby realizing expansion of the wire protection space and reducing locking work. hours and lower costs.

means of solving problems

In order to achieve the above object, the battery wiring module according to the first invention of the present application is configured as follows: the battery wiring module includes a wire wiring body, and includes a first storage frame group and a second storage frame group, which are respectively A plurality of housing frame portions are arranged in a row; and a first wire routing channel portion and a second wire routing channel portion, which respectively constitute a wiring lead-out channel portion, a short channel portion communicated with the wiring lead-out channel portion, and a wiring lead-out channel portion. A short channel portion communicates with a long channel portion extending along the first storage frame group and the second storage frame group, the first wire routing channel portion and the second wire routing channel portion are respectively arranged in the first storage frame the outside of the frame group and the second storage frame group; a plurality of bus bars, which are accommodated in each of the storage frame parts; a plurality of electric wires, one end of which is electrically connected to each of the bus bars, and the other end is electrically connected to an external terminal; the first separation A cover and a second separation cover provided separately from the wire wiring body, the first separation cover and the second separation cover respectively covering the first and second wire wiring passages The short channel portion and the long channel portion are covered; and the first electrode cover portion and the second electrode cover portion are integrally provided on the upper ends of the side walls on both outer sides of the wire wiring body through hinges, and the first electrode cover portion is provided with a hinge. The cover portion and the second electrode cover portion connect the long channel portion of the first wire wiring channel portion, the first storage frame group, and the second wire wiring channel portion when the lid is closed. The long channel portion and the second storage frame group are respectively covered.

According to the above configuration, in the battery wiring module according to the first invention of the present application, the first separation cover and the first electrode cover portion, and the second separation cover and the second electrode cover portion are all of a two-layer structure. Compared with the structure in which each cover portion is adjacently arranged and locked independently, this structure can reduce the number of locking mechanisms, reduce the locking space, expand the wire protection space, and reduce the man-hours for the locking and fitting operation. In addition, the number of components can be reduced, thereby achieving cost reduction.

In addition, the battery wiring module according to the first invention of the present application may be configured such that the first separation cover and the second separation cover are formed to cover the first wire wiring channel portion and the second wire wiring channel The portion of the long passage portion is lower than the portion covering the short passage portion by an amount corresponding to the thickness dimension of the first electrode cover portion and the second electrode cover portion.

According to the above configuration, in the battery wiring module according to the first invention of the present application, when the first and second electrode cover parts are closed, the first and second electrode cover parts overlap the long channel part. Since the upper surface of the covered portion is provided on the same plane as the portion covered with the short channel portion, it is possible to avoid the occurrence of steps on the upper surface of the lid of the portion having the two-layer structure, and to suppress an increase in height.

In addition, the battery wiring module according to the first invention of the present application may be configured such that the first separation cover and the second separation cover have a plurality of upward locking portions bent upward in a hook shape at one edge of the first separation cover and the second separation cover. Each of the upward locking portions is locked in a state of being drilled into a locking portion formed in a gate shape on the side of the electric wire wiring body, and the first separation cover and the second separation cover have a facing direction on the other side edge. A plurality of male-shaped locking portions protruding downward, and each male-shaped locking portion is locked to a female-shaped locking portion provided on the side of the electric wire wiring body.

According to the above configuration, in the battery wiring module according to the first invention of the present application, the locking mechanism for locking the first and second separation covers respectively is not required, and the number of parts can be reduced to achieve cost reduction.

In order to achieve the above object, a battery wiring module according to a second invention of the present application is configured as follows: the battery wiring module includes a wire wiring body, and includes a first storage frame group and a second storage frame group, which are respectively A plurality of housing frame portions are arranged in a row; and a first wire routing channel portion and a second wire routing channel portion, which respectively constitute a wiring lead-out channel portion, a short channel portion communicated with the wiring lead-out channel portion, and a wiring lead-out channel portion. The short channel portion communicates with the long channel portion extending along the first storage frame group and the second storage frame group, and the long channel portion of the first wire routing channel portion is arranged in the first storage frame group. On the outer side, the long channel portion of the second wire routing channel portion is arranged on the inner side of the second storage frame group; a plurality of bus bars are housed in each of the storage frame portions; and a plurality of wires, one end of which is Each of the bus bars is electrically connected, and the other end is electrically connected to an external terminal; a first separation cover and a second separation cover are provided separately from the wire wiring body, and the first separation cover and the second separation cover respectively cover the The short channel portion and the long channel portion of the first wire wiring channel portion and the second wire wiring channel portion are covered; and the first electrode cover portion and the second electrode cover portion are integrally provided on the The upper ends of the side walls on both outer sides of the wire wiring body, the first electrode cover portion and the second electrode cover portion connect the long passage portion of the first wire wiring passage portion to the first electrode cover portion when the lids are closed. The first storage frame group and the second storage frame group are respectively covered.

According to the above configuration, in the battery wiring module according to the second invention of the present application, both the first separation cover and the first electrode cover have a two-layer structure, and each cover is arranged adjacent to and locked independently. In comparison, this structure can reduce the number of locking mechanisms, reduce the locking space, expand the wire protection space, and reduce the man-hours of the locking and fitting operation. In addition, the number of components can be reduced, thereby achieving cost reduction.

In addition, the battery wiring module according to the second invention of the present application may be configured such that the first separation cover is formed so as to cover a portion of the long passage portion of the first wire wiring passage portion than the portion of the first separation cover. The portion covered by the short channel portion is lower by an amount corresponding to the thickness dimension of the first electrode cover portion.

According to the above configuration, in the battery wiring module according to the second invention of the present application, when the first electrode cover portion is closed, the first electrode cover portion overlaps the upper surface of the portion covering the long channel portion. Furthermore, since it is provided so as to be on the same plane as the portion covering the short channel portion, it is possible to avoid the occurrence of a step on the upper surface of the lid of the portion having the two-layer structure, and to suppress an increase in height.

In addition, the battery wiring module according to the second invention of the present application may be configured such that the first separation cover has a plurality of upward locking portions bent upward in a hook shape on one side edge, and each of the upward locking portions may be locked upward. The stopper is locked in a state of being drilled into a locking portion formed in a gate shape on the side of the electric wire wiring body, and the first separation cover has a plurality of male locking portions protruding downward on the other side edge. , each male-shaped locking portion is locked to a female-shaped locking portion provided on the side of the electric wire wiring body.

According to the above-described configuration, the battery wiring module according to the second invention of the present application does not require a locking mechanism for locking the first separation cover, and can reduce the number of parts and achieve cost reduction.

Invention effect

According to the present invention, it is possible to provide a battery wiring module that can reduce the number of locking mechanisms and parts by forming a multi-layered cover, thereby expanding the wire protection space, reducing the man-hours for locking work, and reducing costs.

Description of drawings

1 is a perspective view showing a configuration of a battery assembly to which a battery wiring module according to a first embodiment of the present invention is mounted.

2 is a plan view showing an open state of the electric wire wiring body of the battery wiring module according to the first embodiment of the present invention.

3 is a plan view showing a closed state of the first and second separation covers of the electric wire wiring body of the battery wiring module according to the first embodiment of the present invention.

4 is a plan view showing a closed state of the first and second electrode cover portions of the wire wiring body of the battery wiring module according to the first embodiment of the present invention.

5 is a perspective view showing the configuration of the first and second separation covers of the electric wire wiring body of the battery wiring module according to the first embodiment of the present invention.

6 is a plan view showing an open state of the electric wire wiring body of the battery wiring module according to the second embodiment of the present invention.

7 is a plan view showing a closed state of the first and second separation covers of the electric wire wiring body of the battery wiring module according to the second embodiment of the present invention.

8 is a plan view showing a closed state of the first and second electrode cover portions of the wire wiring body of the battery wiring module according to the second embodiment of the present invention.

FIG. 9 is a plan view showing a state where the cover of the conventional battery wiring module is closed.

Detailed ways

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]

1 to 5 show a first embodiment of the battery wiring module according to the present invention.

In the present embodiment, the present invention is applied to the battery wiring module 20 which is detachable and attachable to the battery assembly 10 that is mounted on a vehicle such as an electric vehicle or a hybrid vehicle (not shown) as a high-voltage secondary battery. . In addition, one battery pack mounted on a vehicle is formed in a state in which the battery wiring module 20 is attached to the battery assembly 10 or in a state in which the corresponding battery wiring module 20 is attached to each of the plurality of battery assemblies 10 .

First, the configuration of the present embodiment will be described.

FIG. 1 is a perspective view showing the configuration of a battery assembly 10 including the battery wiring module 20 according to the present embodiment. In particular, it shows that the first separation cover 41 and the first electrode cover 43 are opened, and the second A state in which the separation cover 42 (see FIG. 3 ) and the second electrode cover portion 44 are closed.

As shown in FIG. 1 , in the battery assembly 10 , a plurality of plate-shaped batteries 12 are stacked and arranged so as to overlap in the plate thickness direction with separators 13 interposed therebetween, and the plurality of plate-shaped batteries 12 have electrode terminals of positive and negative electrodes, respectively. , the plurality of plate-shaped batteries 12 are alternately arranged to be reversed in opposite directions, so that the polarities of a pair of electrode terminals that are close to each other between each adjacent pair of plate-shaped batteries 12 are opposite to each other. sex.

Each plate-shaped battery 12 is formed in a plate shape, that is, a flat, substantially rectangular parallelepiped shape, and each plate-shaped battery 12 is composed of a secondary battery cell (single cell) or a plurality of secondary battery cells (groups) integrally formed in series. battery) composition.

In addition, each plate-shaped battery 12 is provided with electrode terminals of a positive electrode and a negative electrode so as to protrude upward (outside) on both end sides in the longitudinal direction of the upper surface portion, respectively.

Although the specific shapes of the electrode terminals of the plurality of plate-shaped batteries 12 are not shown in the drawings, male threads are formed on either of the positive electrode and the negative electrode, and both sides of the plate-shaped batteries 12 in the longitudinal direction are provided with a male screw. The connection plates of the two holes cover the mutually approaching anode terminals and cathode terminals respectively, and the two electrode terminals are fastened by nuts. A terminal 11 for voltage detection (terminal according to the present invention) is provided at the center in the longitudinal direction of the connection plate.

The battery assembly 10 constitutes a high-voltage secondary battery module by connecting a plurality of plate-shaped batteries 12 in series with a plurality of connection plates.

As shown in FIGS. 1 to 3 , the battery wiring module 20 attached to the battery assembly 10 includes a wire wiring body 30 , a plurality of bus bars 21 , a plurality of wires 23 , a first separation cover 41 , a second separation cover 42 , and a second separation cover 42 . The first electrode cover portion 43 and the second electrode cover portion 44 .

The wire wiring body 30 is formed of a resin-made integral molded body, and has a plurality of terminal insertion holes 31 (see FIG. 1 ), and when the wire wiring body 30 is covered with the battery assembly 10 , the plurality of terminals 11 are respectively inserted through. The plurality of terminal insertion holes 31 and the plurality of terminals 11 protrude so as to be arranged in two rows on one side and the other side in the stacking direction of each battery 12 .

In addition, the wire wiring body 30 has: a plurality of housing frame parts 32 surrounding each of the terminal insertion holes 31 ; a first wire wiring channel part 34 ; a second wire wiring channel part 35 ; and a plurality of connection channel parts 36 . The plurality of storage frame portions 32 are configured as either the first storage frame group 32 a or the second storage frame group 32 b, and the first storage frame group 32 a or the second storage frame group 32 b are arranged in two rows with the plurality of terminals 11 described above. arranged in a corresponding manner.

The first wire routing channel portion 34 includes a wiring lead-out channel portion 33, a short channel portion 34a that communicates with the wire lead-out channel portion 33, and a long channel portion 34b that communicates with the short channel portion 34a and extends along the first housing frame group 32a extension. In addition, the second wire routing channel portion 35 includes a wiring lead-out channel portion 33, a short channel portion 35a that communicates with the wiring lead-out channel portion 33, and a long channel portion 34b that communicates with the short channel portion 35a and is accommodated along the second The frame group 32b extends.

In addition, the wiring lead-out channel portion 33 leads the plurality of electric wires 23 whose one end is connected to the connector 25 serving as an external terminal from the wire wiring body 30 . The midway portion on one side in the product direction extends outward.

As a result, in the wire wiring body 30, the first wire wiring channel portion 34 is formed of an L-shaped groove-shaped molded body in plan view, and the molded body has a short channel portion 34a and a long channel portion 34b, and the short channel portion 34a is formed from the short channel portion 34a. The inner end of the wiring lead-out channel portion 33 starts to be bent and extends along one side, and the long channel portion 34b extends along the first storage frame group 32a after being bent.

In addition, the second wire routing channel portion 35 is constituted by an L-shaped and groove-shaped molded body in plan view, and the molded body has a short channel portion 35a and a long channel portion 35b. The short channel portion 35a leads from the inner end of the wiring channel portion 33 It starts to bend and extends along the other side, and the long channel portion 35b extends along the second storage frame group 32b after being bent.

The plurality of connection channel portions 36 connect the long channel portion 34b of the first wire routing channel portion 34, the respective housing frame portions 32 of the first housing frame group 32a, and the long channel portion 35b of the second wire wiring channel portion 35 to each other. The respective storage frame portions 32 of the second storage frame group 32b communicate with each other.

In the battery wiring module 20, in the wire wiring body 30, the long passage portion 34b of the first wire wiring passage portion 34 and the long passage portion 35b of the second wire wiring passage portion 35 are arranged in the first storage frame group 32a and the long passage portion 35b, respectively. The outer side of the second storage frame group 32b.

A plurality of bus bars 21 with holes are respectively accommodated in the respective accommodation frame portions 32 of the electric wire wiring body 30 . In addition, in the electric wire wiring body 30 , the plurality of electric wires 23 are wired as detection electric wires for detecting the terminal voltages of the plurality of plate-shaped batteries 12 , respectively. One of the plurality of electric wires 23 is electrically connected to one of the plurality of bus bars 21 at one end, and then passes through the first electric wire wiring passage portion 34 or the second electric wire wiring passage portion through one passage portion of the plurality of connection passage portions 36 . The channel portion 35 further extends to the outside through the wiring lead-out channel portion 33 .

The plurality of electric wires 23 are respectively composed of insulated-coated electric wires, extend in the stacking direction of the plurality of plate-shaped batteries 12 , and have different lengths according to the arrangement positions of the corresponding bus bars 21 or the wiring paths. In addition, the other end sides of the plurality of electric wires 23 are coupled to the connector 25 in a state in which a connector terminal (not shown) is crimped, respectively. In short, in the present embodiment, one end of the plurality of electric wires 23 is connected to each of the bus bars 21, and the other end is connected to the connector 25 serving as an external terminal.

The connector 25 is connected to a not-shown ECU (Electronic Control Unit) for charging control mounted on the vehicle. Thereby, the battery assembly 10 monitors the state of charge SOC (State Of Charge), and controls the state of charge within a predetermined range based on the state of charge and the operating state of the vehicle. In addition, among the plurality of electric wires 23, the other end is not limited to being connected to the connector 25, but may be directly connected, for example, to a terminal (external terminal) of an electronic circuit mounted on the vehicle.

In the wire wiring body 30 constituting the battery wiring module 20 , as shown in FIG. The second separation cover 42 is shown in FIG. 5 as having the same shape as the first separation cover 41 for convenience, but the second separation cover 42 and the first separation cover 41 have an L-shape symmetrical to each other.

The first separation cover 41 covers the first wire wiring channel portion 34 , and the second separation cover 42 covers the second wire wiring channel portion 35 . The first separation cover 41 has a portion 41a that covers the short channel portion 34a (see FIG. 2 ) of the first wire routing channel portion 34 and a portion 41a that covers the long channel portion 34b (see FIG. 2 ) of the first wire routing channel portion 34 part 41b. The second separation cover 42 having a left-right symmetrical shape with the first separation cover 41 has a portion 42a covering the short channel portion 35a (see FIG. 2 ) of the second wire routing channel portion 35 and the second wire routing channel portion 35 The long channel portion 35b (refer to FIG. 2 ) covers the portion 42b.

As shown in FIG. 5 , the first separation cover 41 and the second separation cover 42 have a plurality of hook-shaped upwardly bent side edges of the relatively long plate-shaped body of the L-shaped long and short plate-shaped bodies. The upward locking portions 41d and 42d. The respective upward locking portions 41d and 42d are locked in a state of being drilled into the locking portions 43d and 44d formed in a gate shape on the electric wire wiring body 30 side. The upward locking portion 41d and the locking portion 43d, and the upward locking portion 42d and the locking portion 44d constitute hook mechanisms 50a and 50b, respectively.

In addition, the first separation cover 41 and the second separation cover 42 have a plurality of male locking portions 41c and 42c protruding downward on the other side edge of the short plate-shaped body, and the respective male locking portions 41c and 42c It is locked to each female locking portion 61 provided on the wire wiring body 30 side.

As shown in FIGS. 2 and 3 , the first electrode cover 43 is integrally provided at the upper end of the side wall on the outer side of the wire wiring body 30 via a hinge 43b in an open state, and the first electrode cover 43 is closed when the cover is closed. The range up to the first storage frame group 32a is covered.

On the other hand, the second electrode cover portion 44 is integrally provided at the upper end of the side wall on the other side of the wire wiring body 30 in an open state via a hinge 44b, and the second electrode cover portion 44 is placed in a second storage state when the cover is closed. The range up to the frame group 32b is covered.

A plurality of claws 43c and 44c are provided on the side edge portions of the first electrode cover portion 43 and the second electrode cover portion 44 on the side opposite to the side where the hinges 43b and 44b are provided. The plurality of claws 43c of the first electrode cover portion 43 are respectively fitted into the plurality of engaging recesses 60 provided along the first wire routing channel portion 34 when the cover is closed. In addition, the plurality of claws 44c of the second electrode cover portion 44 are fitted into the plurality of engaging recesses 60 provided along the second wire routing channel portion 35 when the cover is closed.

In the battery wiring module 20 according to the present embodiment, as shown in FIG. 5 , the first separation cover 41 of the wire wiring body 30 is formed so as to cover the portion 41 b covered by the long passage portion 34 of the first wire wiring passage portion 34 than The portion 41 a covered by the short channel portion 34 a is lowered by one step, that is, by an amount corresponding to the thickness dimension of the first electrode cover portion 43 . That is, the first separation cover 41 is provided so as to cover the portion 41 a covered by the short channel portion 34 a of the first wire wiring channel portion 34 and the first electrode cover portion when covered by the first electrode cover portion 43 . The upper surface of the cover of 43 is in the same plane.

Similarly, the second separation cover 42 is formed so that the portion 42b covered by the long channel portion 35b of the second wire routing channel portion 35 is lower than the portion 42a covered by the short channel portion 35a, that is, lower than the second electrode cover 44 The amount corresponding to the thickness dimension. That is, the second separation cover 42 is provided so as to cover the portion 42a covered by the short channel portion 35a of the second wire routing channel portion 35 and the second electrode cover portion when covered by the second electrode cover portion 44 . The upper surface of the cover of 42 is in the same plane.

Next, the cover closing operation of each cover part in the battery wiring module 20 will be described.

In the cover closing operation, first, a plurality of electric wires 23 for wiring are prepared, and as shown in FIG. 2 , one end of each electric wire 23 is electrically connected to one of the plurality of bus bars 21, respectively. In the present embodiment, the above-mentioned ends of the respective electric wires 23 are connected to the respective bus bars 21 with holes. That is, each bus bar 21 functions as a connection terminal of the electric wire 23, and the electric wire 23 is a detection electric wire.

The respective bus bars 21 are accommodated in the respective storage frame portions 32 of the first and second storage frame groups 32 a and 32 b so that the respective terminals 11 are inserted through holes formed in the respective bus bars, and the respective bus bars 21 pass through the respective terminals 11 . The screwed nut 16 is fastened and fixed. Thereby, electrical connection between the plurality of electric wires 23 and the respective bus bars 21 can be achieved.

A part of each electric wire 23 connected to each bus bar 21 passes through the first electric wire wiring channel part 34 via the connection channel part 36 , and then extends to the outside through the wiring lead-out channel part 33 . On the other hand, each of the remaining electric wires 23 passes through the second electric wire wiring passage portion 35 , for example, via the connection passage portion 36 , and then extends to the outside through the wiring lead-out passage portion 33 . In the present embodiment, the plurality of electric wires 23 extending to the outside are connected to the connector 25 .

Next, a first separation cover 41 and a second separation cover 42 as shown in FIG. 5 are prepared, and as shown in FIG. and the second wire routing channel portion 35 to cover the opening. The lid closing of the above-mentioned opening is performed by drilling each upward locking portion 41d provided on one side edge of the first separation lid 41 into a corresponding door-shaped opening on the wire wiring body 30 side. On the premise that the respective locking portions 43d are formed, the first separation cover 41 is rotated until the respective male locking portions 41c provided on the other side edge are engaged with the corresponding respective female locking portions provided on the wire wiring body 30 side. up to the locking portion 61 .

Similarly, with regard to the second separation cover 42, on the premise that the upward locking portions 42d provided on one side edge are drilled into the corresponding locking portions 44d formed in the gate shape on the wire wiring body 30 side, The second separation cover 42 is rotated until each male locking portion 42c provided on the other side edge is engaged with each corresponding female locking portion 61 provided on the wire wiring body 30 side, and the second wire The opening of the wiring channel portion 35 is closed.

If the plurality of wires 23 are routed in the first and second wire routing passages 34 and 35 (see FIG. 2 ) and the first and second wire routing passages 34 and 35 after the wires 23 are routed pass through the first and second wire routing passages 34 and 35 When the closing of the second separation covers 41 and 42 (see FIG. 3 ) is completed, the battery wiring module 20 is in a shipping state that can be delivered to customers.

For a customer, the delivered battery wiring module 20 is mounted on the upper surface of the battery assembly 10, for example, assembled as a battery pack of an automobile. Specifically, for the customer, the battery wiring module 20 is inserted into the plurality of terminals so that the plurality of terminals 11 protruding in two rows on one side and the other side of the battery assembly 10 in the stacking direction are respectively inserted into the plurality of terminals. The battery assembly 10 is attached to the through hole 31 .

Next, the first and second electrode cover parts 43 and 44 are covered on the wire wiring body 30 of the battery wiring module 20 attached to the upper surface of the battery assembly 10 in the state shown in FIG. The range up to the first storage frame group 32a and the range up to the second storage frame group 32b are covered. When the above operation is performed at the delivery site, the battery wiring module 20 is closed by the first and second separation covers 41 and 42 . Therefore, at the time of delivery, it is possible to protect the electric wires 23, and to secure the attachment of the electric wires 23 to the battery assembly 10 of the battery wiring module 20 and the closing of the first and second electrode covers 43 and 44. implement.

As described above, the battery wiring module 20 according to the present embodiment includes the wire wiring body 30 , the plurality of bus bars 21 , the plurality of wires 23 , the first and second separation covers 41 and 42 , and the first and second electrode cover portions 43 . , 44. The wire wiring body 30 includes first and second housing frame groups 32a and 32b in which a plurality of housing frame portions 32 are arranged in a row, respectively, and first and second wire wiring channel portions 34 and 35 which respectively constitute a wiring lead-out. The channel portion 33, the short channel portion 34a communicating with the wiring lead-out channel portion 33, and the long channel portion 34b communicating with the short channel portion 34a and extending along the first and second housing frame groups 32a, 32b, the first and second wire wiring The channel portions 34 and 35 are arranged on the outer sides of the first and second storage frame groups 32a and 32b, respectively. The plurality of bus bars 21 are accommodated in the respective accommodation frame portions 32 . One end of the plurality of electric wires 23 is electrically connected to each of the bus bars 21 , and the other end is electrically connected to the connector 25 . The first and second separation covers 41 and 42 are provided separately from the wire wiring body 30 and cover the short passage parts 34a and 35a and the long passage parts 34b and 35b of the first and second wire wiring passage parts 34 and 35, respectively. The first and second electrode cover portions 43 and 44 are integrally provided on the upper ends of the side walls on both outer sides of the wire wiring body 30 through hinges 43b and 44b. When the covers are closed, the long passage portions of the first wire wiring channel portion 34 are respectively 34b is covered with the first storage frame group 32a, and the long channel portion 35b of the second wire routing channel portion 35 and the second storage frame group 32b.

In the battery wiring module 20 according to the present embodiment, the first separation cover 41 and the first electrode cover portion 43 and the second separation cover 42 and the second electrode cover portion 44 have a two-layer structure. Compared with the structure in which the cover parts 41 , 42 , 43 , and 44 are arranged adjacent to each other and locked independently, this structure can reduce the number of locking mechanisms, reduce the locking space, expand the wire protection space, and reduce the man-hours for the locking and fitting operation. . In addition, the number of parts can be reduced to achieve cost reduction.

In addition, the battery wiring module 20 according to the present embodiment is configured such that the first and second separation covers 41 and 42 cover the long passages 34b and 35b of the first and second wire wiring passages 34 and 35 It is formed so as to be lower than the portion covering the short channel portions 34a and 35a by an amount corresponding to the thickness dimension of the first and second electrode cover portions 43 and 44 .

According to the above configuration, the battery wiring module 20 according to the present embodiment is provided so that when the first and second electrode cover parts 43 and 44 are closed, the first and second electrode cover parts 43 and 44 overlap with each other. Since the upper surfaces of the parts 41b and 42b covered by the long channel parts 34b and 35b are on the same plane as the parts 41a and 42a covered by the short channel parts 34a and 35a, it is possible to avoid the occurrence of a step on the upper surface of the lid of the part of the two-layer structure. , and can suppress the height increase.

In addition, the battery wiring module 20 according to the present embodiment is configured such that the first and second separation covers 41 and 42 have a plurality of upward locking portions 41 d and 42 d which are bent upward in a hook shape on one side edge, and each of which faces upward. The upper locking portions 41d and 42d are locked in a state of being drilled into the locking portions 43d and 44d formed in a gate shape on the wire wiring body 30 side, and the first and second separation covers 41 and 42 are on the other side edges. The plurality of male locking portions 41c and 42c protruding downward are provided, and the respective male locking portions 41c and 42c are locked to the female locking portion 61 provided on the wire wiring body 30 side.

According to the above configuration, in the battery wiring module 20 according to the present embodiment, locking mechanisms for locking the first and second separation covers 41 and 42 respectively are not required, and the number of parts can be reduced, thereby achieving cost reduction.

According to the above configuration, in the present embodiment, by forming the first separation cover 41 and the first electrode cover part 43 and the second separation cover 42 and the second electrode cover part 44 into two layers, respectively, it is possible to reduce the amount of locking. The mechanism and the number of components can be reduced, thereby providing a battery wiring module 10 which can realize the expansion of the electric wire protection space, the reduction of the locking work man-hours, and the reduction of the cost.

[Second Embodiment]

6 to 8 show a second embodiment of the battery wiring module according to the present invention. The configuration of the battery wiring module 20A according to the second embodiment will be described. In addition, in the second embodiment, the same reference numerals are given to the same configuration as that of the first embodiment, and detailed description thereof will be omitted, and the description will be mainly focused on the configuration different from that of the first embodiment.

As shown in FIGS. 6 and 7 , in the battery wiring module 20A according to the present embodiment, the first and second wire wiring channel portions 34 and 35D of the wire wiring body 30A and the first and second housing frame groups 32 a and 35D The arrangement between 32b is different from that of the first embodiment.

That is, in the battery wiring module 20A according to the present embodiment, the wire wiring body 30A is provided such that the long channel portion 34b of the first wire wiring channel portion 34 is arranged outside the first storage frame group 32a, and the 2. The long passage part 35b of the passage part 35D for electric wire wiring is arrange|positioned inside the 2nd storage frame group 32a.

In addition, in the present embodiment, the second separation cover 42A and the second electrode cover portion 44A are different in configuration from the second separation cover 42 and the second electrode cover portion 44 according to the first embodiment.

As shown in FIGS. 7 and 8 , the second separation cover 42A has an L-shape and covers the second electric wire routing passage portion 35D. The second separation cover 42A is configured to be attached to the electric wire wiring body 30A by a locking mechanism. As a locking mechanism, the second separation cover 42A has a plurality of claws 42e on one edge in the longitudinal direction. When the second separation cover 42A covers and closes the cover by covering the second wire routing channel portion 35D, the plurality of claws 42e are engaged with the engaging recesses 63 provided on the wire routing body 30A side.

In the wire wiring body 30A, the second electrode cover portion 44A is integrally provided with the hinge 44b on the upper end of the side wall outside the second wire wiring channel portion 35D, that is, the other outer side wall upper end of the wire wiring body 30A. . Here, the second electrode cover portion 44A has a width that covers the second wire routing channel portion 35D when the cover is closed.

A plurality of locking claws 44c are provided on the side edge portion of the second electrode cover portion 44A opposite to the side where the hinge 44b is provided. The plurality of claws 44c of the second electrode cover portion 44A are fitted into the plurality of engaging recesses 64 provided along the second wire wiring channel portion 35D of the wire wiring body 30A when the lid is closed.

In the battery wiring module 20A according to the present embodiment, the long channel portion 35b of the second wire wiring channel portion 35D is arranged inside the second storage frame group 32b, and the second separation cover 42A is locked with respect to the wire wiring body 30A In addition, the second electrode cover portion 44A has a width corresponding to the channel width of the second wire wiring channel portion 35D, and other configurations are the same as those of the battery wiring module 20 according to the first embodiment.

That is, in the battery wiring module 20A according to the present embodiment, the wire wiring body 30A is formed so that the portion 41b of the first separation cover 41 covering the long passage portion 34b of the first wire wiring passage portion 34 is shorter than The portion 41a covered by the channel portion 34a is lower by an amount corresponding to the thickness dimension of the first electrode cover portion 43. When the first electrode cover portion 43 is covered, the short channel portion of the first wire wiring channel portion 34 is closed. The portion 41 a covered by 34 a is flush with the upper surface of the cover of the first electrode cover portion 43 .

Next, the lid closing operation of each lid portion of the electric wire wiring body 30A of the battery wiring module 20A will be described.

In the battery wiring module 20A, cover closing operations other than the cover closing operations of the second separation cover 42A and the second electrode cover portion 44A can be performed in the same manner as the electric wire wiring body 30 of the battery wiring module 20 according to the first embodiment. conduct. Thus, for example, the first separation cover 41 can be attached to the wire wiring body 30A in a state covered with the first wire wiring channel portion 34 as shown in FIG. 7 in the procedure described with reference to FIG. 3 .

On the other hand, when the second separation cover 42A is covered with the second wire routing channel portion 35D as shown in FIG. 7 , it is connected to the second wire routing channel so that the plurality of claws 42e face downward. After the portions 35D are arranged to face each other, the plurality of claws 42e may be pressed downward until they are engaged with the engaging recesses 63 provided on the wire wiring body 30A side.

Moreover, as shown in FIG. 7, the cover part 44A for 2nd electrodes can be attached to the electric wire wiring body 30A so that the 2nd storage frame group 32b may be covered. At the time of installation, the second electrode cover portion 44A is turned to the male locking portion 44c provided on the other side edge of the one side edge of the second electrode cover portion 44A where the hinge 44b is provided, and is engaged with the electric wire. It suffices to go up to each corresponding female locking portion 64 provided on the wiring body 30 side.

In the mode shown in FIG. 7 , when the first and second separation covers 41 and 42A of the first and second wire routing passages 34 and 35D are closed (refer to FIG. 3 ), the electric wire routing module 20A is The shipping status that can be handed over to the customer.

For the customer, after attaching the delivered battery wiring module 20A to the upper surface of the battery assembly 10 , as shown in FIG. 8 , the first storage through the first and second electrode cover parts 43 and 44A is performed. The cover of the range up to the frame group 32a, and the cover of the second storage frame group 32b.

In this way, the battery wiring module 20A according to the second embodiment includes the wire wiring body 30A, the plurality of bus bars 21 , the plurality of wires 23 , the first and second separation covers 41 and 42A, and the first and second electrodes Cover parts 43 and 44A. The wire wiring body 30A includes first and second housing frame groups 32a and 32b in which a plurality of housing frame portions 32 are arranged in a row, respectively, and first and second wire wiring channel portions 34 and 35D, which respectively constitute wiring lead-out portions. The channel portion 33, the short channel portions 34a, 35a communicating with the wiring lead-out channel portion 33, and the long channel portions 34b, 35b communicating with the short channel portions 34a, 35a and extending along the first and second housing frame groups 32a, 32b, The long passage portion 34b of the wire routing passage portion 34 is arranged outside the first storage frame group 32a, and the long passage portion 35b of the second wire routing passage portion 35D is disposed inside the second storage frame group 32b. The plurality of bus bars 21 are accommodated in the respective accommodation frame portions 32 . One end of the plurality of electric wires 23 is electrically connected to each of the bus bars 21 , and the other end is electrically connected to the connector 25 . The first and second separation covers 41 and 42A are provided separately from the wire wiring body 30A, and cover the short channel portions 34a and 35a and the long channel portions 34b and 35b of the first and second wire wiring channel portions 34 and 35D, respectively. The first and second electrode cover portions 43 and 44A are integrally provided on the upper ends of the side walls on both outer sides of the wire wiring body 30A via hinges 43b and 44b. When the covers are closed, the long passage portions of the first wire wiring channel portion 34 are respectively 34b covers the first storage frame group 32a and the second storage frame group 32b.

According to the above configuration, in the battery wiring module 20A according to the present embodiment, both the first separation cover 41 and the first electrode cover portion 43 have a two-layer structure, and are performed independently of arranging the respective cover portions 41 and 43 adjacent to each other. Compared with the locking structure, this structure can reduce the number of locking mechanisms, reduce the locking space, expand the wire protection space, and reduce the man-hours of the locking and fitting operation. In addition, the battery wiring module 20A can suppress an increase in the height of the portion having the two-layer structure.

In addition, the battery wiring module 20A according to the present embodiment is configured such that the portion of the first separation cover 41 that covers the long channel portion 34b of the first wire wiring channel portion 34 is lower than the portion that covers the short channel portion 34a. One electrode cover portion 43 is formed so as to correspond to the thickness dimension.

According to the above configuration, in the battery wiring module 20A according to the present embodiment, when the first electrode cover 43 is closed, the first electrode cover 43 overlaps with the portion covering the long channel portion 34b. Since the upper surface and the portion covering the short channel portion 34a are provided on the same plane, it is possible to avoid the occurrence of a step on the upper surface of the lid of the portion having the two-layer structure, and to suppress the increase in height.

In addition, the battery wiring module 20A according to the present embodiment is configured as follows: the first separation cover 41 has a plurality of upward locking portions 41 d bent upward in a hook shape on one side edge, and each upward locking portion 41 d is drilled The first separation cover 41 has a plurality of male locking portions 41c protruding downward on the other side edge, and each male The locking portion 41c is locked by the female locking portion 61 provided on the wire wiring body 30A side.

According to the above-described configuration, in the battery wiring module 20A according to the present embodiment, the locking mechanism for locking the first separation cover 41 is not required, and the number of parts can be reduced, and the cost can be reduced. In this way, the battery wiring module 20A according to the second embodiment can achieve the same functions and effects as the battery wiring module 20 according to the first embodiment.

As described above, the battery wiring module according to the present invention has the effect of reducing the number of locking mechanisms and components, expanding the wire protection space, reducing the man-hours for locking work, and reducing costs by making the cover part multi-layered. , and is generally effective for a battery wiring module including an electric wire wiring body capable of wiring a battery assembly formed by stacking a plurality of batteries.

Description of reference numerals

10 battery assembly

11 Terminals

12 Plate battery (battery)

20, 20A battery wiring module

21 Busbar

23 wires

25 Connector

30, 30A wire wiring body

32 Storage frame

32a Storage frame group (1st storage frame group)

32b Storage frame group (2nd storage frame group)

33 Wiring lead-out channel section

34 Channel part for the first wire routing

34a Short channel section

34b Long Channel Section

35 Channel part for the second wire routing

35a Short channel section

35b Long Channel Section

36 Connection channel section

41 1st separation cover

41a The part covered by the short channel part

41b The part that covers the long channel part

41c Male locking part

41d Upward locking part

42, 42A 2nd separation cover

42a The part covered by the short channel part

42b The part that covers the long passage part

42c male lock

42d Upward locking part

43 Cover for the first electrode

43b hinge

44, 44A Cover for the second electrode

44b hinge

50a, 50b hook mechanism

61 Female locking part

Claims (6)

1. A battery wiring module, comprising: An electric wire wiring body includes: a first storage frame group and a second storage frame group in which a plurality of storage frame parts are arranged in line; A lead-out channel portion, a short channel portion communicating with the wiring lead-out channel portion, and a long channel portion communicating with the short channel portion and extending along the first and second storage frame groups, the first wire The wiring channel portion and the second wire wiring channel portion are respectively arranged on the outer sides of the first storage frame group and the second storage frame group; a plurality of bus bars, which are accommodated in each of the accommodating frame portions; a plurality of wires, one end of which is electrically connected to each of the bus bars, and the other end is electrically connected to an external terminal; A first separation cover and a second separation cover are provided separately from the electric wire wiring body, and the first separation cover and the second separation cover respectively cover the first and second electric wire routing passages. The short channel portion and the long channel portion of the cover are covered; and The first electrode cover portion and the second electrode cover portion are integrally provided on the upper ends of the side walls on both outer sides of the electric wire wiring body through hinges, and the first electrode cover portion and the second electrode cover portion are closed when the cover is closed. The long channel portion of the first wire routing channel portion and the first storage frame group, and the long channel portion of the second wire routing channel portion and the second storage frame group covered separately. 2 . The battery wiring module according to claim 1 , wherein the first separation cover and the second separation cover are formed to include the first wire wiring channel portion and the second wire wiring channel portion, respectively. 3 . The portion covered by the long passage portion and the portion covered by the short passage portion of the first wire wiring passage portion and the second wire wiring passage portion, the first wire wiring passage portion and the second wire wiring passage portion are covered. 2. The portion covered by the long passage portion of the passage portion for wire wiring is lower than the portion covered by the short passage portion of the first passage portion for wire wiring and the second passage portion for wire wiring and the first electrode. The amount corresponding to the thickness dimension of the lid portion and the lid portion for the second electrode. 3 . The battery wiring module according to claim 1 , wherein the first separation cover and the second separation cover have a plurality of upward locking portions bent upward in a hook shape at one edge thereof, 3 . Each of the upward locking portions is locked in a state of being drilled into the locking portion formed in a gate shape on the side of the electric wire wiring body, and the first separation cover and the second separation cover have a downward direction on the other side edge. A plurality of male-shaped locking portions protrude, and each male-shaped locking portion is locked to a female-shaped locking portion provided on the side of the electric wire wiring body. 4. A battery wiring module, characterized in that it has: An electric wire wiring body includes: a first storage frame group and a second storage frame group in which a plurality of storage frame parts are arranged in line; A lead-out channel portion, a short channel portion communicating with the wiring lead-out channel portion, and a long channel portion communicating with the short channel portion and extending along the first and second storage frame groups, the first wire The long channel portion of the wiring channel portion is arranged on the outer side of the first storage frame group, and the long channel portion of the second wire wiring channel portion is arranged on the inner side of the second storage frame group; a plurality of bus bars, which are accommodated in each of the accommodating frame portions; a plurality of wires, one end of which is electrically connected to each of the bus bars, and the other end is electrically connected to an external terminal; A first separation cover and a second separation cover are provided separately from the electric wire wiring body, and the first separation cover and the second separation cover respectively cover the first and second electric wire routing passages. The short channel portion and the long channel portion of the cover are covered; and The first electrode cover portion and the second electrode cover portion are integrally provided on the upper ends of the side walls on both outer sides of the electric wire wiring body through hinges, and the first electrode cover portion and the second electrode cover portion are closed when the cover is closed. At the time, the long channel portion of the first wire routing channel portion, the first storage frame group, and the second storage frame group are respectively covered. 5 . The battery wiring module according to claim 4 , wherein the first separation cover is formed to include a portion that covers the long channel portion of the first wire wiring channel portion, and a portion that covers the first wire wiring channel portion. 6 . 1. The portion covered by the short passage portion of the passage portion for wire wiring, the portion covered by the long passage portion of the passage portion for the first wire wiring is shorter than the portion covered by the short passage portion of the passage portion for the first wire wiring. The portion covered by the channel portion is lower by an amount corresponding to the thickness dimension of the first electrode cover portion. 6 . The battery wiring module according to claim 4 , wherein the first separation cover has a plurality of upward locking portions bent upward in a hook shape on one side edge, and each of the upward locking portions is upwardly locked. 7 . The first separation cover has a plurality of male-shaped locking portions protruding downward on the other side edge, and is locked in a state of being drilled into a locking portion formed in a gate shape on the side of the electric wire wiring body. Each male-shaped locking portion is locked to a female-shaped locking portion provided on the side of the electric wire wiring body.

Images