CN222463181U - Battery devices, energy storage equipment and power systems - Google Patents
Battery devices, energy storage equipment and power systems Download PDFInfo
- Publication number
- CN222463181U CN222463181U CN202323276820.7U CN202323276820U CN222463181U CN 222463181 U CN222463181 U CN 222463181U CN 202323276820 U CN202323276820 U CN 202323276820U CN 222463181 U CN222463181 U CN 222463181U
- Authority
- CN
- China
- Prior art keywords
- battery
- side plate
- energy storage
- tab
- battery cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The battery device comprises a plurality of battery cells, an insulating support and a connecting sheet, wherein each battery cell at least comprises a pole lug, the pole lugs of the plurality of battery cells are positioned on the same side of the plurality of battery cells, the insulating support is arranged on one side of the pole lugs of the plurality of battery cells, and the connecting sheet is arranged on the insulating support and is electrically connected with the pole lugs. The serial-parallel connection among the multiple electric cores is realized, and compared with the scheme of welding with a printed circuit board, the manufacturing difficulty and the manufacturing cost are remarkably reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery device, energy storage equipment and an electric system.
Background
With the development of battery technology, multiple battery cells are designed in series-parallel connection, and the electric conduction of each battery cell is realized by welding the multiple battery cells with a printed circuit board through a tab.
However, the tab is difficult to be soldered to the printed circuit board and the manufacturing cost is high.
Disclosure of utility model
The utility model aims to provide a battery device, energy storage equipment and an electricity utilization system, which solve the problems of high welding difficulty and high manufacturing cost of a tab and a printed circuit board.
In order to achieve the purpose of the utility model, the utility model provides the following technical scheme:
The utility model provides a battery device, which comprises at least one electrode lug of each electric core, an insulating bracket and a connecting sheet, wherein the electrode lugs of a plurality of electric cores are positioned on the same side of the electric cores, the insulating bracket is arranged on one side of the electrode lugs of the electric cores, and the connecting sheet is arranged on the insulating bracket and is electrically connected with the electrode lugs.
In one embodiment, the insulating support is provided with a through hole, the tab is arranged through the through hole, and the connecting sheet is arranged on the surface of the insulating support, which is opposite to the battery cell, and is close to the inner wall of the through hole.
In one embodiment, the insulating support is provided with a through hole, and the connecting piece comprises a connecting piece body and a connecting part, wherein the connecting piece body is arranged on the surface of the insulating support, which is opposite to the battery cell, and the connecting part is arranged through the through hole.
In one embodiment, each tab of the battery cell includes at least a first tab and a second tab, polarities of the first tab and the second tab are opposite, the number of the through holes is plural, and the through holes are disposed at intervals, and the first tab and the second tab of each battery cell are disposed in different through holes.
In one embodiment, the number of the connecting pieces is a plurality, and the first tab and the second tab of the same battery cell are connected with different connecting pieces.
In one embodiment, the plurality of connection pieces are arranged along the arrangement direction of the plurality of electric cores, and/or the plurality of connection pieces are arranged along the direction from the first tab to the second tab of the same electric core.
In one embodiment, the connecting piece comprises a main part and a plurality of branch parts, wherein one ends of the branch parts are connected with the main part, the branch parts are arranged at intervals, the branch parts are arranged at the inner wall positions close to the through holes in a one-to-one correspondence manner, and each branch part is connected with one tab.
In one embodiment, a plurality of first tabs are arranged in a row along the arrangement direction of the battery cells, a plurality of second tabs are arranged in another row along the arrangement direction of the battery cells, the first tabs and the second tabs of the same battery cells are arranged at intervals, the trunk part extends along the arrangement direction of the battery cells, and the branch part extends along the first tabs to the second tabs.
In one embodiment, the battery device further comprises a first buffer member, the first buffer member is disposed at a connection part of the battery cell and the tab, and the insulating support is abutted to the first buffer member.
In one embodiment, the battery cell is a soft package battery cell, the battery device further comprises a first side plate, a second side plate and a plurality of pulling plates, the first side plate and the second side plate are respectively arranged on two opposite sides of the arrangement direction of the battery cell, two ends of each pulling plate are respectively connected with the first side plate and the second side plate, and the battery cell is located in the accommodating space surrounded by the first side plate, the second side plate and the pulling plates.
In one embodiment, the battery device further comprises at least one laminate, the first side plate and the second side plate are provided with clamping grooves, the laminate is provided with clamping protrusions, the clamping protrusions are inserted into the clamping grooves to enable the laminate to be fixedly clamped with the first side plate and the second side plate, the laminate divides the accommodating space into a plurality of subspaces, and each subspace accommodates a plurality of battery cells.
In one embodiment, the battery device further comprises a second buffer member disposed on at least one surface of the first side plate, the second side plate, and the plurality of pull plates facing the accommodating space.
In one embodiment, at least one surface of the plurality of electric cores is provided with a plurality of spaced pull plates, and the battery device further comprises an insulating film, wherein the insulating film is positioned in gaps among the plurality of pull plates and is attached to the surfaces of the plurality of electric cores.
In a second aspect, the present utility model further provides an energy storage apparatus, where the energy storage apparatus includes a plurality of energy storage devices, each of which is provided with at least one battery device, a plurality of the energy storage devices are arranged along a first direction, and the plurality of energy storage devices are electrically connected through plug terminals, or the plurality of energy storage devices are electrically connected through a wire harness, and the battery device is any one of the various embodiments of the first aspect.
In one embodiment, a plurality of energy storage devices are electrically connected through a wire harness, and a gripping member is arranged on the side face of at least one energy storage device, wherein the gripping member comprises a gripping part and a wire harness arranging part, the gripping part is suitable for gripping to move the energy storage devices, and the wire harness arranging part is suitable for limiting the wire harness connected among the plurality of energy storage devices.
In a third aspect, the present utility model further provides an electrical system, which is characterized by comprising an electrical device and a battery device according to any of the various embodiments of the first aspect, the battery device powering the electrical device, or comprising an electrical device and an energy storage apparatus according to the second aspect, the energy storage apparatus powering the electrical device.
According to the battery device provided by the utility model, the insulating support and the connecting sheet are arranged, the connecting sheet is arranged on the insulating support, the plurality of lugs are electrically connected with the connecting sheet, so that series-parallel connection among the plurality of battery cells is realized, and compared with the scheme of welding with a printed circuit board, the manufacturing difficulty and the manufacturing cost are remarkably reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a battery device of an embodiment;
fig. 2 is an exploded view of a battery device of an embodiment;
fig. 3 is a perspective view of an insulating support and connecting tab of an embodiment.
Reference numerals illustrate:
10-electric core, 21-first tab, 22-second tab, 30-insulating support, 31-through hole, 40-connecting piece, 41-main part, 42-branch part, 43-first terminal, 44-second terminal, 50-first buffer piece, 61-first side board, 62-second side board, 621-clamping groove, 63-pulling board, 631-main body board, 632-first side board, 633-second side board, 64-laminate board, 641-clamping protrusion, 70-second buffer piece, 80-insulating film, X-first direction, Y-second direction, Z-third direction.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1 to 3, an embodiment of the utility model provides a battery device including a plurality of battery cells 10, a plurality of tabs, an insulating support 30 and a connecting piece 40.
The direction is defined first, and the first direction X, the second direction Y and the third direction Z are perpendicular to each other.
The plurality of battery cells 10 are sequentially arranged, specifically, sequentially arranged in the first direction X. The battery cell 10 may be a battery cell 10 with an aluminum shell, or may be a soft package battery cell 10, which is not limited. The thickness direction of the battery cell 10 is a first direction X, the width direction of the battery cell 10 is a second direction Y, and the length direction of the battery cell 10 is a third direction Z. The plurality of battery cells 10 may be arranged in one row in the thickness direction thereof, or may be arranged in one or more rows in the width direction thereof, without limitation.
Each battery cell 10 at least comprises a tab, the tabs are in one-to-one correspondence with the battery cells 10, and the tabs are positioned on the same side of the battery cells 10. The plurality of tabs include a plurality of first tabs 21 and a plurality of second tabs 22, and polarities of the first tabs 21 and the second tabs 22 are opposite, that is, one of the tabs is a positive tab and the other tab is a negative tab. Each of the battery cells 10 corresponds to at least one first tab 21 and at least one second tab 22, and the first tabs 21 and the second tabs 22 are disposed at one end of the length direction (i.e., the third direction Z) of the battery cells 10.
The insulating holder 30 is disposed at one side of the tabs of the plurality of battery cells 10. The plurality of tabs may be disposed through the insulating support 30, or may be connected to the support 30 by any means. The insulating support 30 is disposed at one side of the plurality of battery cells 10 in the length direction, the insulating support 30 is provided with a plurality of through holes 31, and the plurality of tabs are correspondingly arranged in the plurality of through holes 31 in a penetrating manner. The insulating support 30 is made of insulating material, and may be plastic, bakelite, ceramic, etc., without limitation. The insulating holder 30 may have a substantially plate shape, and the shape of the plurality of through holes 31 formed therein may correspond to the plurality of tabs without limitation.
The connecting piece 40 is arranged on the insulating bracket 30, and the connecting piece 40 is electrically connected with the tab. The connecting piece 40 may be connected to any feasible position of the insulating support 30, and may be connected to and fixed to the insulating support 30 by any feasible manner, such as clamping, screwing, bonding, etc., without limitation. The connecting piece 40 is made of conductive material, specifically, copper, aluminum, etc., without limitation. The connecting piece 40 is substantially sheet-shaped, and the specific structure thereof is not limited. The electrical connection between the tab and the connecting piece 40 may be a direct connection such as welding or screwing, or an indirect connection via a switching structure, which is not limited.
The printed circuit board welding mode adopted at present, the circuit on the printed circuit board is formed on a plane through printing, the size is small, the welding precision requirement is high, the manufacturing difficulty is high, and the manufacturing cost is high. Compared with the prior art, the connecting sheet 40 of the embodiment of the utility model is arranged on the insulating bracket 30, can be mutually insulated with the battery core 10, and the electrode lugs are electrically connected with the connecting sheet 40, compared with welding on a plane, the connecting sheet 40 can be connected with the electrode lugs in a three-dimensional space, so that the connecting sheet 40 can be connected with a plurality of electrode lugs in series and parallel, and the connecting sheet 40 has the advantages of simple structure, easy manufacture and low cost.
Therefore, in the battery device provided by the embodiment of the utility model, the insulating support 30 and the connecting sheet 40 are arranged, the connecting sheet 40 is arranged on the insulating support 30, the plurality of lugs are electrically connected with the connecting sheet 40, and the series-parallel connection among the plurality of battery cells 10 is realized, so that compared with the scheme of welding with a printed circuit board, the manufacturing difficulty and the manufacturing cost are remarkably reduced.
Optionally, the connecting piece 40 is disposed on the surface of the insulating support 30 facing away from the battery cell 10 and near the inner wall of the through hole 31. In this way, the connection piece 40 can be insulated from the battery cell 10 by the insulating support 30, so that accidental electric shock caused by contact between the connection piece 40 and the battery cell 10 is avoided. The connecting piece 40 can be fixed on the surface of the insulating support 30, which is opposite to the battery cell 10, through clamping, screwing and the like. The connection piece 40 is close to the inner wall of the through hole 31, which means that the connection piece 40 does not close the through hole 31, but is arranged substantially flush with the inner wall of the through hole 31. Taking the direct welding of the tab and the connecting sheet 40 as an example, after the tab passes through the through hole 31, the tab can extend to the surface of the connecting sheet 40, which is opposite to the battery cell 10, and the welding of the connecting sheet 40 and the tab is performed in a three-dimensional space, so that the connection of the tab and the connecting sheet 40 can be simply realized, and compared with the welding of a two-dimensional plane of a printed circuit board and the tab, the welding difficulty is remarkably reduced.
Optionally, the connecting piece 40 includes a connecting piece body (not shown) and a connecting portion (not shown), the connecting piece body is disposed on a surface of the insulating support 30 facing away from the battery cell 10, and the connecting portion is disposed through the through hole 31. Therefore, the tab may not extend to the surface of the insulating support 30 facing away from the battery cell 10, and extend into the through hole 31 through the connection portion to connect with the tab, and the connection between the connection piece 40 and the tab may be simply realized.
Optionally, the plurality of through holes 31 are disposed at intervals, and the first tab 21 and the second tab 22 of each cell 10 are disposed in different through holes 31.
Optionally, the plurality of connecting pieces 40 are provided, and the first tab 21 and the second tab 22 of the same battery cell 10 are connected to different connecting pieces 40. Specifically, the same cell 10 has a first tab 21 and a second tab 22, where the first tab 21 and the second tab 22 are disposed at intervals in the second direction Y, and two through holes 31 corresponding to the cell 10 are respectively corresponding to the first tab 21 and the second tab 22, and are also disposed at intervals in the second direction Y. Alternatively, the first tabs 21 of the plurality of electric cores 10 may be arranged at intervals along the first direction X, and the second tabs 22 may be arranged at intervals along the first direction X, so that the corresponding through holes 31 are also arranged at intervals along the first direction X. Alternatively, the first tabs 21 and the second tabs 22 of the plurality of battery cells 10 may be staggered in the first direction X, or may be randomly arranged, which is not limited. The first tab 21 and the second tab 22 are connected with different connecting pieces 40, so that the first tab 21 and the second tab 22 connected with the same battery cell 10 can be prevented from being shorted through the connecting pieces 40.
In one embodiment, the plurality of connection pads 40 are arranged along the direction of arrangement of the plurality of battery cells 10, and/or the plurality of connection pads 40 are arranged along the direction of the first tab 21 to the second tab 22 of the same battery cell 10.
Optionally, the number of the first tabs 21 and the second tabs 22 is a, the number of the connection pieces 40 connected with the a first tabs 21 is m, and the number of the connection pieces 40 connected with the a second tabs 22 is n, where a, m, n are positive integers, and m < a and n < a.
Wherein, as each cell 10 is connected with at least one first tab 21 and at least one second tab 22, a is greater than or equal to 2 when a plurality of cells 10 are stacked. When a=2, 2 cells 10 are stacked, each cell 10 is connected with one first tab 21 and one second tab 22, and when a >2, the number of the cells 10 connected with one first tab 21 and one second tab 22 is equal to the number of the stacked cells 10, or the number of the cells 10 connected with more than one first tab 21 and/or more than one second tab 22 is less than the number of the cells 10, which is not limited. For example, when a=4, one cell 10 may be connected to 2 first tabs 21 and 2 second tabs 22, and 2 such cells 10 may be stacked. In the following, a first tab 21 and a second tab 22 are described as an example of a battery cell 10 being connected to each other, and it should be understood that the embodiments of the present utility model still apply to a manner in which more than one first tab 21 and/or more than one second tab 22 are connected to one battery cell 10.
When m is more than or equal to 2, the m connecting sheets 40 are sequentially arranged in the stacking direction of the battery cells 10, and when n is more than or equal to 2, the n connecting sheets 40 are sequentially arranged in the stacking direction of the battery cells 10. In this way, the plurality of connection pads 40 can be electrically connected to the first tab 21 and the second tab 22 of all the cells 10 by a simple arrangement.
When the plurality of connecting pieces 40 are provided, in order to realize the serial-parallel connection of the plurality of battery cells 10, the plurality of connecting pieces 40 can be connected through a copper bar or other structure, and the specific connection mode is not limited.
One of the connecting pieces 40 is provided with a first terminal 43, the other connecting piece is provided with a second terminal 44, and the first terminal 43 and the second terminal 44 are used for being electrically connected with an external electronic control module to realize charging of the plurality of battery cells 10 or discharging of electric energy of the battery cells 10.
Optionally, the connecting piece 40 includes a main portion 41 and a plurality of branch portions 42, one end of the plurality of branch portions 42 is connected with the main portion 41, the plurality of branch portions 42 are arranged at intervals, the plurality of branch portions 42 are arranged at positions close to inner walls of the plurality of through holes 31 in a one-to-one correspondence manner, and each branch portion 42 is connected with one tab.
The plurality of branch portions 42 may be parallel to each other and connected to the first tab 21 or the second tab 22 in one-to-one correspondence, and the trunk portion 41 is connected to the plurality of branch portions 42, so that the plurality of branch portions 42 are connected in series through the trunk portion 41. In this way, the connecting piece 40 can be formed in a shape similar to "E", "F", and the like. The plurality of branch portions 42 and the trunk portion 41 may be of a unitary structure or a split structure. The connection of the connection piece 40 and the insulating support 30 may be realized by connecting and fixing the trunk portion 41 and the insulating support 30, and connecting and fixing the plurality of branch portions 42 and the trunk portion 41.
Optionally, the insulating support 30 is provided with a receiving groove (not shown), and the trunk portion 41 and the branch portion 42 of the connecting piece 40 may be embedded in the receiving groove to realize positioning and limiting.
Optionally, the plurality of first tabs 21 are arranged in a row along the arrangement direction (i.e., the first direction X) of the battery cells 10, the plurality of second tabs 22 are arranged in another row along the arrangement direction (i.e., the first direction X) of the battery cells 10, the first tabs 21 and the second tabs 22 of the same battery cells 10 are arranged at intervals in the second direction Y, the trunk portion 41 extends along the arrangement direction (i.e., the first direction X) of the plurality of battery cells 10, and the branch portion 42 extends along the direction (i.e., the second direction Y) of the first tabs 21 to the second tabs 22.
The structure provided with the trunk portion 41 and the branch portion 42 is simple in structure, and is convenient to connect with the plurality of first tabs 21 and the plurality of second tabs 22.
In one embodiment, the battery device further includes a first buffer member 50, where the first buffer member 50 is disposed at a connection portion between the battery cell 10 and the tab, and the insulating support 30 abuts against the first buffer member 50.
Specifically, the first buffer member 50 is disposed at an end of the cell 10 in the length direction (i.e., in the third direction Z), and two adjacent cells 10 may share one first buffer member 50, i.e., the first buffer member 50 is disposed between the positions of the connection tabs of two adjacent cells 10, that is, the opposite surfaces of the first buffer member 50 are respectively in close contact with the tabs of two adjacent cells 10. The first cushioning member 50 is made of an insulating deformable material, and may be, for example, cushioning foam, rubber, or the like, without limitation. The first buffer 50 can have a certain elastic deformability, and can maintain the contact pressure between the insulating holder 30 and the battery cell 10 by elastic tension after being pressed. The length (i.e., the dimension in the second direction Y) of the first buffer member 50 may be equal to the width (i.e., the dimension in the second direction Y) of the battery cell 10, i.e., the first tab 21 and the second tab 22 connected to the same battery cell 10 are closely attached to the same first buffer member 50.
The first buffer member 50 is disposed, so as to avoid the potential damage to the battery cells 10 due to the direct contact between the insulating support 30 and the battery cells 10, and the deformation capability of the first buffer member 50 can absorb the pressure of the insulating support 30, and meanwhile, the elastic tension of the first buffer member 50 can maintain the pressure of the insulating support 30 on the battery cells 10, thereby ensuring the restraining force of the insulating support 30 on the battery cells 10 in the third direction Z.
In one embodiment, the battery cell 10 is a soft pack battery cell 10. The battery device further includes a first side plate 61, a second side plate 62, and a plurality of pull plates 63, where the first side plate 61 and the second side plate 62 are respectively disposed on opposite sides of the arrangement direction (i.e., the first direction X) of the plurality of battery cells 10, two ends of the plurality of pull plates 63 are respectively connected with the first side plate 61 and the second side plate 62, and the plurality of battery cells 10 are located in a housing space enclosed by the first side plate 61, the second side plate 62, and the plurality of pull plates 63.
Compared with the battery cells 10 with the shells, the soft-package battery cells 10 do not need the step of shell loading, so that the space occupied by the shell of each battery cell 10 is avoided, the weight is increased, the energy density of the battery is improved, and the equipment quality is reduced. The soft-package battery cell 10 needs to be restrained reasonably so as to keep the shape and the structure of the battery cell 10 stable. In the embodiment of the present utility model, the first side plate 61 and the second side plate 62 are disposed at two opposite sides of the arrangement direction of the plurality of electric cells 10, and are connected with the first side plate 61 and the second side plate 62 through the plurality of pull plates 63, so as to realize the dimensional constraint of the plurality of electric cells 10 in the first direction X and the second direction Y, ensure the constraint to the required dimension and ensure the stability of the shape and the structure.
At least one pulling plate 63 may be disposed on two opposite sides of the plurality of cells 10 in the second direction Y, so as to provide a restraining force to the plurality of cells 10 in the second direction Y. At least one pulling plate 63 is disposed on a side of the plurality of cells 10 in the third direction Z facing away from the insulating support 30, to provide a restraining force on the plurality of cells 10 in the third direction Z, and the insulating support 30 can be connected and fixed with the first side plate 61 and the second side plate 62, so that the insulating support 30 also provides a restraining force in the third direction Z, thereby realizing that the plurality of cells 10 are restrained in all directions.
Alternatively, the pull plate 63 includes a main body plate 631, a first side portion 632 and a second side portion 633, where the main body plate 631 extends along a first direction X, the first side portion 632 and the second side portion 633 are respectively connected to two ends of the main body plate 631 in the first direction X, and protrude from a surface of the main body plate 631 facing the accommodating space along a second direction Y, the first side portion 632 is fixedly connected to the first side plate 61, and the second side portion 633 is fixedly connected to the second side plate 62, where the connection fixing manner may be, without limitation, screwing, riveting, welding, and the like. The main body plate 631, the first side portion 632, and the second side portion 633 may be of a unitary structure, or may be of a split structure, without limitation.
Optionally, the battery device further includes a second buffer member 70, where the second buffer member 70 is disposed on at least one surface of the first side plate 61, the second side plate 62, and the plurality of pull plates 63 facing the receiving space.
The second buffer member 70 is similar to the first buffer member 50, and may be made of foam, rubber, or the like, and the second buffer member 70 is provided to prevent the first side plate 61, the second side plate 62, and the plurality of pull plates 63 from scratching or crushing the battery cell 10, and also ensure the restraint force on the battery cell 10 by elastic tension.
In one embodiment, the battery device further includes at least one laminate 64, the first side plate 61 and the second side plate 62 are respectively provided with a clamping groove 621, the laminate 64 has a clamping protrusion 641, and the clamping protrusion 641 is inserted into the clamping groove 621 to fix the laminate 64 and the first side plate 61 and the second side plate 62 in a clamping manner, the laminate 64 divides the accommodating space into a plurality of subspaces, and each subspace accommodates a plurality of the battery cells 10.
Wherein the number of laminates 64 may be 1, 2, 3, etc., without limitation, an embodiment having 1 number of laminates 64 is shown in fig. 1 and 2. At least one of the laminates 64 equally divides the receiving space along the second direction Y, such as 1 laminate 64 of fig. 1 and 2 equally divides the receiving space into 2 identical subspaces. When the number of the laminates 64 is 2, the 2 laminates 64 divide the accommodating space into 3 subspaces along the second direction Y. And so on, without limitation.
By arranging at least one laminate 64, a structure with multiple clusters of cells 10 in one battery device can be realized, the number of cells 10 can be increased, and the energy density of the battery can be improved.
The laminate 64 is flat and has a main body portion (not shown) that is in close contact with the side surface of the battery cell 10 in the subspace, and a locking portion connected to the main body portion protrudes from the main body portion in the first direction X and is configured to be inserted into a locking groove 621 formed in the first side plate 61 and the second side plate 62. The number of the clamping grooves 621 and the clamping protrusions 641 may be plural, and as shown in fig. 1 and 2, 2 clamping grooves 621 are provided on each of the first side plate 61 and the second side plate 62, and 4 clamping protrusions 641 are provided. In this way, the clamping protrusion 641 is inserted into the clamping groove 621, so that the clamping and fixing of the laminate 64 and the first side plate 61 and the second side plate 62 is realized, and the structure is simple and the installation is easy.
For the embodiment having a plurality of subspaces, an insulating support 30, a connecting piece 40, a first buffer 50 and the like corresponding to each subspace can be provided, which will not be described again.
Optionally, at least one surface of the plurality of battery cells 10 is provided with a plurality of spaced pull plates 63, and the battery device further includes an insulating film 80, where the insulating film 80 is located in a gap between the plurality of pull plates 63 and is attached to the surface of the plurality of battery cells 10.
For example, fig. 1 and 2 show an embodiment in which 2 pull plates 63 are disposed on two opposite sides of the plurality of cells 10 in the second direction Y, and an insulating film 80 is disposed in a gap between the two pull plates 63 of the two sides to prevent the cells 10 from being directly exposed. It can be understood that, in fig. 1 and 2, a pull plate 63 is disposed on the bottom surface of the plurality of battery cells 10 facing away from the insulating support 30 in the third direction Z, and then, one insulating film 80 is disposed on each side of the pull plate 63 in the second direction Y.
The insulating film 80 is provided on a part of the plurality of cells 10 instead of the whole surface, and the second buffer 70 on the pull plate 63 is in close contact with a part of the surface of the plurality of cells 10, thereby protecting and insulating the cells, and the insulating film 80 is only required to be attached to the exposed part.
The insulating film 80 may be any feasible insulating film 80, and serves to protect the battery cell 10.
The process of assembling the battery device according to an embodiment of the present utility model will be described.
Referring to fig. 1 and 2, a second buffer member 70 is attached to the first side plate 61 and the second side plate 62 such that the first side plate 61 and the second side plate 62 are opposite to each other in the first direction X, a first row of the battery cells 10 is stacked between the first side plate 61 and the second side plate 62, a laminate 64 is clamped with the first side plate 61 and the second side plate 62, a second row of the battery cells 10 is stacked between the first side plate 61 and the second side plate 62, the first side plate 61 and the second side plate 62 are clamped by a clamp to clamp the stacked plurality of battery cells 10, a second buffer member 70 on the first side plate 61 and the second side plate 62 is closely attached to the battery cells 10, a plurality of pull plates 63 are attached to the first side plate 61 and the second side plate 62 by rivets, an insulating film 80 is attached to exposed portions of the battery cells 10 except for the surfaces of the connection lugs, namely, in a gap between the two pull plates in the second direction Y and two sides of one pull plate in the third direction Z, the plurality of the first side plates 61 and the second side plates 62 are clamped by clamps, the plurality of the first buffer members 70 and the second buffer members 30 are placed on the plurality of support frames 40 and the plurality of connection lugs 30 are welded to the plurality of support frames 30, and the plurality of connection frames 30 are welded to the plurality of support frames 30. The subsequent connection between the plurality of connection pieces 40, etc. may be performed as needed, and embodiments of the present utility model are not limited thereto. The assembled battery device may be used with the laminate 64 flipped to a substantially horizontal orientation.
The embodiment of the utility model also provides energy storage equipment, which comprises a plurality of energy storage devices, wherein at least one battery device is arranged in each energy storage device, the plurality of energy storage devices are arranged along a first direction, the plurality of energy storage devices are electrically connected through plug terminals or are electrically connected through wire harnesses, and the battery device is any one of the battery devices in the embodiment.
The specific structure of the energy storage device is not limited, and the first direction may be a vertical direction and/or a horizontal direction, or may be any other direction. The specific structures of the plug terminal and the wire harness are not limited, and the plug terminal and the wire harness are used for electrically connecting a plurality of energy storage devices so that the energy storage equipment is integrated.
Optionally, the plurality of energy storage devices are electrically connected through a wire harness, and a gripping member is arranged on the side surface of at least one energy storage device. Optionally, the gripping member includes a gripping portion and a harness organizer portion, the gripping portion being adapted to grip to move the energy storage device, the harness organizer portion being adapted to limit a harness connected between the plurality of energy storage devices. The specific structures of the gripping part and the wire harness arranging part are not limited, the wire harness arranging part and the gripping part are integrated into a gripping component, and the wire harness arranging part and the gripping component can be used for limiting the wire harness on the basis of realizing the function of gripping to move the energy storage device, so that the wire harness can be arranged and stored, and accidents possibly caused by scattering of the wire harness are avoided.
The embodiment of the utility model also provides an electricity utilization system which comprises an electricity utilization device and the battery device in the embodiment of the utility model, wherein the battery device supplies electricity for the electricity utilization device. Or the power utilization system comprises a power utilization device and energy storage equipment in the embodiment of the utility model, wherein the energy storage equipment supplies power for the power utilization device. The power utilization device can be a household power utilization load, a commercial power utilization load, an industrial power utilization load, an electric automobile and the like without limitation.
According to the power utilization system provided by the embodiment of the utility model, the battery device or the energy storage equipment is adopted, the battery device is provided with the insulating support 30 and the connecting sheet 40, the connecting sheet 40 is arranged on the insulating support 30, the plurality of lugs are electrically connected with the connecting sheet 40, the series-parallel connection among the plurality of battery cells 10 is realized, and compared with the scheme of welding with a printed circuit board, the manufacturing difficulty and the manufacturing cost are remarkably reduced.
In the description of the embodiments of the present utility model, it should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to the orientation or positional relationship described based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, but all or part of the procedures for implementing the above embodiments can be modified by one skilled in the art according to the scope of the appended claims.
Claims (16)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276820.7U CN222463181U (en) | 2023-11-30 | 2023-11-30 | Battery devices, energy storage equipment and power systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323276820.7U CN222463181U (en) | 2023-11-30 | 2023-11-30 | Battery devices, energy storage equipment and power systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222463181U true CN222463181U (en) | 2025-02-11 |
Family
ID=94449377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323276820.7U Active CN222463181U (en) | 2023-11-30 | 2023-11-30 | Battery devices, energy storage equipment and power systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222463181U (en) |
-
2023
- 2023-11-30 CN CN202323276820.7U patent/CN222463181U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20240195017A1 (en) | Battery Module, Battery Pack Including Same Battery Module, and Automobile Including Same Battery Pack | |
| KR101326196B1 (en) | Battery Pack of Compact Structure | |
| CN104704649B (en) | Battery module with busbar assembly and the battery pack including the battery module | |
| EP2562842B1 (en) | Battery module | |
| WO2013183945A1 (en) | Battery module having stability-improved structure and high cooling efficiency | |
| KR101281811B1 (en) | Battery Pack Having Improved Structure Stability | |
| KR20130018494A (en) | Battery module of improved stability | |
| US20140141309A1 (en) | Battery module | |
| JP2008524798A (en) | Sensing board assembly for secondary battery module | |
| US20220037707A1 (en) | Battery Pack and Holder | |
| CN112219319B (en) | Battery modules, battery packs and devices including connectors with shock absorbing structures | |
| JP7585577B2 (en) | Battery module with improved assembly structure of voltage sensing parts and battery pack including the same | |
| CN110114932A (en) | Battery module, battery pack including the same, and vehicle | |
| US20140162114A1 (en) | Battery module | |
| CN206422164U (en) | A kind of clad type battery module structure | |
| CN114128020A (en) | Battery module and battery pack including the same | |
| JP2019525441A (en) | Modular power storage and supply system | |
| JP2023535947A (en) | Battery modules and battery packs containing the same | |
| CN117203836A (en) | Battery module, battery pack, and energy storage device including battery pack | |
| CN111477781A (en) | Battery pack | |
| JP2015026424A (en) | Power storage module | |
| CN208173649U (en) | Battery pack | |
| JP2014022239A (en) | Battery pack | |
| JP2014022238A (en) | Battery pack | |
| CN222463181U (en) | Battery devices, energy storage equipment and power systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |