KR20200011715A - Battery mounting structure for converting engine vehicle into electric vehicle - Google Patents

Abstract

The present invention relates to a battery mounting structure for electric vehicle conversion and, more specifically, to a battery mounting structure for electric vehicle conversion, which is able to easily mount a battery mounted to convert an engine driven vehicle into an electric vehicle in order not to interfere with the composition of the lower part of a vehicle while properly distributing the front and rear weights of the vehicle and lowering the center of gravity of the vehicle. According to the present invention, the battery mounting structure for electric vehicle conversion mounts a battery on the vehicle frame to convert an engine driven vehicle into an electric vehicle by: removing some or all of accessary components for driving an engine or a vehicle in an engine driven vehicle driven by mounting an engine on the vehicle frame; and mounting an accessary component to replace a removed accessary component and a drive motor to replace an engine on the vehicle frame, wherein the battery assembly is included to be coupled to the vehicle frame of the vehicle as a plurality of batteries are formed in a state of being fixated on the mounting frame to be positioned in the rear side of the motor assembly.

Description

BATTERY MOUNTING STRUCTURE FOR CONVERTING ENGINE VEHICLE INTO ELECTRIC VEHICLE}

The present invention relates to a battery mounting structure for converting an electric vehicle. More particularly, the battery mounted to convert an engine-driven vehicle into an electric vehicle, while appropriately distributing the front and rear weight of the vehicle, and at the same time lowering the center of gravity of the vehicle, The present invention relates to a battery mounting structure for converting an electric vehicle that can be easily mounted so as not to interfere with the undercarriage of a vehicle.

An engine driven vehicle having an engine as a power source and having a frame body structure can be converted into an electric vehicle driven by an electric motor.

Converting an engine-driven vehicle to an electric vehicle has many advantages, both potentially and practically, in terms of environmental and economical benefits, since many existing parts or devices such as chassis, transmissions and suspensions of existing vehicles can be reused. .

Accordingly, Korean Patent Laid-Open Publication No. 10-2018-0049664 (A method for converting a four wheel drive electric vehicle, a four wheel drive car to a four wheel drive electric vehicle, and a kit for converting a four wheel drive electric vehicle for performing the method, 2018.05 .11), US Publication No. US20140262567 (Conversion kit for converting a gasoline powered mid engine car to an electric powered car, September 18, 2014), US Publication No. US20180079308 (ACCESSORY PLATE FOR ELECTRIC VEHICLE AND METHODS OF CONVERTING AN INTERNAL COMBUSTION ENGINE VEHICLE INTO As in AN ELECTRIC VEHICLE, 2018.03.22) and Japanese Patent Application Laid-Open No. JP22252584 (Electric Vehicle Unit, 2010.11.04), various structures and technologies are being developed for converting an engine driven vehicle into an electric vehicle.

However, in order to use an existing engine driven vehicle as an electric vehicle, it is not necessary to remove only the engine from the engine driven vehicle and connect the driving motor by using a separate adapter to the existing transmission. Further modifications are required to re-use or retrofit the various accessories such as generators, water pumps or power steering pumps.

On the other hand, in order to supply power to the drive motor and accessories, it is necessary to mount a battery, the installation of a relatively heavy battery affects the front and rear weight distribution of the vehicle and significantly affects the center of gravity.

In addition, when the battery is placed in a low position in order to lower the center of gravity, there may be a case where interference with the lower structure of the vehicle may occur, so that the structure of the vehicle may need to be improved to mount the battery.

Republic of Korea Patent Publication No. 10-2018-0049664 (2018.05.11): Method for converting a four-wheel drive electric vehicle, a four-wheel drive car to a four-wheel drive electric vehicle and for converting a four-wheel drive electric vehicle for performing the method Kit US published patent US20140262567 (2014.09.18): Conversion kit for converting a gasoline powered mid engine car to an electric powered car United States Patent Application Publication No. US20180079308 (March 22, 2018): ACCESSORY PLATE FOR ELECTRIC VEHICLE AND METHODS OF CONVERTING AN INTERNAL COMBUSTION ENGINE VEHICLE INTO AN ELECTRIC VEHICLE Japanese Laid-Open Patent Publication JP22252584 (2010.11.04): Electric vehicle unit

The present invention has been made in view of the above, the object of the present invention is to reduce the center of gravity of the vehicle while at the same time appropriately distribute the weight of the vehicle to the battery mounted to convert the engine-driven vehicle into an electric vehicle The present invention provides a battery mounting structure for converting an electric vehicle that can be easily mounted so as not to interfere with the undercarriage of the vehicle.

In order to achieve the above object, a battery mounting structure for converting an electric vehicle according to the present invention removes some or all of an engine and an accessory component for driving a vehicle from an engine driven vehicle driven with an engine mounted on a body frame. A battery mounting structure for electric vehicle conversion for mounting a battery in the body frame for converting an engine driven vehicle into an electric vehicle by mounting a drive motor to replace the sub-component to replace the removed sub-component in the body frame, A plurality of batteries are configured to be fixed to the mounting frame and positioned at the rear of the motor assembly, characterized in that the battery assembly is coupled to the vehicle body frame of the vehicle.

In addition, in the battery mounting structure for converting an electric vehicle according to the present invention, the vehicle body frame has a structure in which a pair of main beams are arranged side by side in the front-rear direction, and the mounting frame is arranged by vertically arranging a plurality of frames. And a pair of side wall portions extending upward by connecting a frame to each of both side edges of the bottom portion, and coupled to an upper end of the side wall portion to be longitudinally disposed and attached to a side of the main beam. A bracket is provided, and the battery is placed on the bottom portion and is coupled to the mounting frame.

In addition, the battery mounting structure for converting an electric vehicle according to the present invention, the battery is provided with a pair is placed on the left and right sides on the upper left and right sides so as to form a space in the front and rear direction spaced apart from the central portions facing each other the mounting frame It is characterized in that coupled to.

In addition, the battery mounting structure for converting an electric vehicle according to the present invention, the mounting frame, the frame is connected to each of the rear both sides of the bottom portion is further provided with a pair of rear extensions extending rearward, the battery is It is placed on both sides of the bottom portion and the rear extension.

In addition, the battery mounting structure for converting an electric vehicle according to the present invention is characterized in that the battery is stacked up and down, the bottom layer is provided with a pair is spaced from left to right and placed on both sides and the rear extension of the bottom portion.

According to the above configuration, the battery mounting structure for converting an electric vehicle according to the present invention makes it possible to reduce the center of gravity of the vehicle while at the same time appropriately distributing the front and rear weight distribution of the battery mounted to convert the engine driven vehicle into the electric vehicle. It has the advantage of being able to be easily mounted so as not to interfere with the undercarriage of the vehicle.

1A and 1B are views showing a state in which an electric vehicle conversion kit for converting an engine-driven vehicle to an electric vehicle is applied to a vehicle body frame and the battery mounting structure for converting an electric vehicle according to an embodiment of the present invention is viewed from front and rear, respectively. Illustrated perspective
2 is an exploded perspective view illustrating a state in which an electric vehicle conversion kit for converting an engine-driven vehicle to an electric vehicle is applied, and a battery mounting structure for converting an electric vehicle according to an embodiment of the present invention is viewed from above in front of a body frame;
3A and 3B are perspective views each showing an electric vehicle conversion kit for converting an engine-driven vehicle into an electric vehicle, viewed from front and rear, by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;
4A and 4B are views of a front view and a rear view of some components in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention; Perspective view of each
5 is an exploded perspective view illustrating an exploded part of a motor assembly in an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;
6A and 6B are perspective and exploded perspective views illustrating a motor assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;
7A and 7B illustrate a state where the pump assembly is viewed from above and from above in the EV conversion kit for converting an engine driven vehicle into an electric vehicle by applying a battery mounting structure for converting an EV according to an embodiment of the present invention. A perspective view of each
8A to 8C illustrate a mounting bracket for mounting a motor assembly and a pump assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention. One perspective view and an exploded perspective view
9 is an exploded perspective view illustrating a power supply and control assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;
10 is an exploded perspective view illustrating a brake vacuum pump assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;
11A to 11 are perspective views illustrating a battery assembly in an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention.
12 is a perspective view illustrating a battery mounting frame of a battery assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention;

Hereinafter, a battery mounting structure according to the present invention will be described in more detail with reference to the drawings and embodiments.

1A and 1B illustrate a state in which a vehicle mounting kit for converting an electric vehicle according to an embodiment of the present invention is applied to an electric vehicle conversion kit for converting an engine-driven vehicle into an electric vehicle, viewed from front and rear, respectively; Figure 2 is a perspective view, Figure 2 is a battery-mounted structure for the electric vehicle conversion according to an embodiment of the present invention is applied to the electric vehicle conversion kit for converting the engine driven vehicle into the electric vehicle as seen from the front view the coupling relationship with the body frame 3A and 3B are views illustrating an electric vehicle conversion kit for converting an engine-driven vehicle into an electric vehicle by applying a battery mounting structure for converting an electric vehicle according to an embodiment of the present invention. Figure 4 is a perspective view, Figure 4a and 4b is for converting an electric vehicle according to an embodiment of the present invention In the electric vehicle conversion kit for converting an engine-driven vehicle into an electric vehicle by applying a battery mounting structure, a perspective view showing a state of a front view and a state of a rear view, respectively, is shown in FIG. 5, according to an embodiment of the present invention. Figure 6a and 6b is an exploded perspective view showing a disassembled part of the motor assembly in the electric vehicle conversion kit for converting the engine-driven vehicle into an electric vehicle by applying a battery mounting structure for electric vehicle conversion, Figure 6a and 6b is an embodiment of the present invention 7 is a perspective view and an exploded perspective view of a motor assembly in an electric vehicle conversion kit for converting an engine-driven vehicle into an electric vehicle by applying a battery mounting structure for converting an electric vehicle according to an embodiment of the present disclosure, and FIGS. 7A and 7B illustrate an electric vehicle according to an embodiment of the present invention. Battery-mounted structure for conversion converts engine-driven vehicles into electric vehicles In the electric vehicle conversion kit for a perspective view showing a pump assembly viewed from the front and the rear from the top, respectively, Figures 8a to 8c is a battery mounting structure for the electric vehicle conversion according to an embodiment of the present invention is applied to drive the engine 9 is a perspective view and an exploded perspective view showing a mounting bracket for mounting a motor assembly and a pump assembly in an electric vehicle conversion kit for converting a vehicle into an electric vehicle, and FIG. 9 is a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention. 10 is an exploded perspective view illustrating a power supply and control assembly in an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle, and FIG. 10 is a battery-mounted structure for electric vehicle conversion according to an embodiment of the present invention to which an engine is driven. Bre in the EV Conversion Kit for converting vehicles to electric vehicles 11A to 11 are a battery assembly in an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention. 12 is a perspective view illustrating a battery mounting frame of a battery assembly in an electric vehicle conversion kit for converting an engine driven vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention. to be.

The battery mounting structure for converting an electric vehicle according to an embodiment of the present invention is for mounting a battery mounted on a vehicle body frame 1 of a vehicle to convert an engine driven vehicle into an electric vehicle.

In order to convert an engine-driven vehicle into an electric vehicle, not only a battery but also a motor and other accessory parts powered by the battery and operated are replaced. Therefore, hereinafter, a battery mounting structure for converting an electric vehicle according to the present invention will be described in detail with the configuration of a drive motor and the like mounted to convert an engine driving vehicle into an electric vehicle.

1A and 1B are perspective views illustrating a state in which an electric vehicle conversion kit for converting an existing engine driving vehicle into an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention is coupled to a vehicle body frame; 2 is an exploded perspective view illustrating a coupling relationship between an electric vehicle conversion kit for converting an engine driving vehicle to an electric vehicle by applying a battery mounting structure for electric vehicle conversion according to an embodiment of the present invention.

Referring to the drawings, an engine driven vehicle that is an application target vehicle that is converted into an electric vehicle using an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle is a vehicle adopting a frame structure. That is, the engine-driven vehicle, which is a vehicle to which the present invention is applied, is a vehicle such as a truck on which a cap (not shown), which is a driver's boarding space, is placed on a vehicle body frame 1 corresponding to a skeleton, or a body such as a small bus or a van. This corresponds to a vehicle on which a body shell (not shown) is mounted on the frame 1.

Referring to the drawings, in the vehicle to be applied, two rows of main beams 1a are arranged side by side in the front-rear direction, and a plurality of horizontal frames 1b, 1c, 1d, 1e, 1f, and 1g are interposed therebetween. And a rear frame 2 formed by connecting the main beams 1a to each other by being disposed from the front to the rear, and the front wheels 2a and the rear wheels 2b are connected to the body frame 1 through suspension. The engine (not shown) is mounted in a space between a cab or body shell and the body frame 1 so that the front wheels 2a or the It is configured to drive the rear wheels 2b.

In the drawing, an engine room is formed in the front portion of the body frame 1, and a rear wheel for driving the rear wheels 2b is extended by driving a rear drive shaft 3 connected to the engine mounted in the space. An embodiment is shown in which a drive type engine drive vehicle is converted to an electric vehicle using an electric vehicle conversion kit for converting an engine drive vehicle according to the present invention to an electric vehicle. The main beam 1a is provided with a pair of engine mounting parts 1a 'facing each other in a position where the space for mounting the engine is formed to face each other, and the plurality of horizontal frames 1b, 1c, A mission mounting part 1c 'for hanging a transmission integrally coupled with the engine at a central position of the horizontal frame 1c located at a portion where a space for mounting the engine is formed among 1d, 1e, 1f, and 1g. Is provided.

Referring to the embodiment shown in the drawings, an electric vehicle conversion kit for converting an engine driven vehicle into an electric vehicle includes a motor assembly 10, a pump assembly 20, a power supply and control assembly 30, and a brake vacuum pump assembly 40. ), A heater assembly 50 and a battery assembly 60 are included. In particular, the motor assembly 10, the pump assembly 20, the power supply and control assembly 30, and the brake vacuum pump assembly 40 are integrated through a plurality of brackets 11, 12, 21, 31, and 41 to provide an engine. And is configured to be mounted in the removed engine mounting space. 4A and 4B, 5, 6A and 6B, the motor assembly 10, the pump assembly 20, the power supply and control assembly 30 and the brake vacuum pump assembly 40 are integrally formed as described above. The configuration to be combined is shown in detail.

The motor assembly 10 is provided with a drive motor 13 for replacing the engine of the existing engine drive vehicle, so that the output of the drive motor 13 to the drive shaft 3 connected to the rear wheel 2b of the vehicle Configuration. 6A and 6B show the configuration of the motor assembly 10 in detail, and FIGS. 8A to 8C show the motor mounting bracket 11 and the mission mounting bracket 12 constituting the motor assembly 10. The configuration is shown in detail.

Referring to the drawings, the motor assembly 10 has a configuration in which the drive motor 13 and the transmission 14 are coupled in a row in front and rear, and the drive motor 13 and the transmission 14 are motor mounted. The motor mounting bracket 11 and the mission mounting bracket 12 and the vehicle body frame 1 are coupled to the engine mounting space while seated on the bracket 11. The output shaft 141 of the transmission 14 is connected to the drive shaft 3 of the vehicle. An inverter 15, which is a component for controlling driving of the driving motor 13, is integrally coupled to the upper portion of the driving motor 13.

The motor mounting bracket 11 is configured to surround and protect the bottom and both side surfaces of the drive motor 13 and the transmission 14 seated therein in a state where they are coupled to each other and to be coupled to the vehicle body frame 1.

Referring to the drawings, the mounting bracket 11 is formed to have a side wall 112 which is bent on each side of the flat bottom 111 and extends upwards, so that the mounting bracket 11 has an overall U-shaped cross section when viewed from the front or the rear. In the interior surrounded by the bottom 111 and both sidewalls 112, a drive motor 13 to which the inverter 15 and the transmission 14 are integrally mounted is seated and integrally coupled to the mounting bracket 11. Reinforcement and seating ribs 114 of a 'U' shape are attached to the inner surface leading to the bottom 111 and both sidewalls 112. Porcelain reinforcement and seating ribs 114 are reinforced to maintain the bent shape of the bottom 111 and both side walls 112, and the drive motor is mounted in the interior surrounded by the bottom 111 and both side walls 112 ( 13 is arranged in the front-back direction in the interior surrounded by the bottom 111 and both side walls 112 in a configuration for supporting the bottom of the. The drawing shows an embodiment in which two reinforcement and seating ribs 114 are arranged in the front-rear direction.

On the outer surface of each of the sidewalls 112 of the motor mounting bracket 11, a mounting coupling portion 115 is mounted and coupled to the engine mounting portion 1a 'provided in the main beam 1a. According to the present invention, the mounting coupling part 115 has a sidewall of the motor mounting bracket 11 at an appropriate position so that the engine mounting part 1a 'provided in the main beam 1a can be used as it is for mounting an existing engine. It is configured to be provided at 112.

A front wall 113 is attached to the front inlet surrounded by the bottom 111 and both sidewalls 112 so that the pump mounting bracket 21 of the pump assembly 20 is coupled to each other. The edge 112a is bent outwardly to form a flat, and the upper edge 112a is coupled to both edges of the bottom bracket 31 constituting the power supply and control assembly 30.

The mission mounting bracket 12 is configured to suspend the transmission 14 connected in series with the drive motor 13 at the rear of the drive motor 13 to the mission mounting portion 1c '. Referring to the drawings, the mission mounting bracket 12 is connected to the upper portion of the transmission 14, 121, and is bent from the upper portion of the connecting portion 121 is formed to extend horizontally and the mission mounting On both sides of the connecting portion 121 and the mounting coupling portion 122 to reinforce the mounting coupling portion 122 coupled to the portion 1c 'and the connecting portion 121 and the mounting coupling portion 122 bent at a right angle. It is composed of a combined reinforcement 123.

Meanwhile, as described above, the embodiment illustrated in the drawings is configured such that the pump assembly 20, the power supply and control assembly 30, and the brake vacuum pump assembly 40 are integrally coupled to the motor assembly 10. That is, the pump assembly 20 is located in front of the motor assembly 10 and integrally coupled with the motor assembly 10, and the power supply and control assembly 30 is located at the top of the motor assembly 10. It is positioned and integrally coupled with the motor assembly 10, the brake vacuum pump assembly 40 is located on the side of the motor assembly 10 and integrally coupled with the motor assembly 10.

As described above, the motor assembly 10 having the pump assembly 20, the power supply and control assembly 30, and the brake vacuum pump assembly 40 integrally coupled to the sidewall 112 of the motor mounting bracket 11 may be connected to the motor assembly 10. The mounting coupling unit 115 is mounted on the engine mounting unit 1a 'and coupled thereto, and the mounting coupling unit 122 of the mission mounting bracket 12 coupled to the upper portion of the transmission 14 is mounted on the mission mounting unit. By coupling to 1c ', it is coupled to the body frame 1 in the engine mounting space from which the engine has been removed.

The pump assembly 20 uses the accessory motor 22 separate from the driving motor 13 for driving the vehicle, and the steering for forming the hydraulic pressure of the air conditioning compressor 23 and the power steering system for the indoor air conditioning of the vehicle. It is a structure for integrating an accessory system for operating the pump 24. 7A and 7B show the configuration of the pump assembly 20 in detail, and FIGS. 8A to 8C show the case bracket 21 and the case bracket 21 constituting the pump assembly 20. The configuration in connection with the motor mounting bracket 11 is shown in detail.

The case bracket 21 is coupled to the front of the motor mounting bracket 11 to form a substantially rectangular parallelepiped space with the front wall 113, and a plurality of pulleys (221, 231, 241, 26, on the front plate portion 211). It is a structure for forming the structure in which 27) is arrange | positioned.

Referring to the drawings, the case bracket 21 is bent to the rear of the front plate 211 to extend the side plate 212, the rear edge of the side plate 212 of the motor mounting bracket 11 It is coupled to the outer edge of the front wall 113 is integrally coupled with the motor mounting bracket 11 at the front of the motor mounting bracket (11).

An accessory motor 22 is mounted inside the space formed by the case bracket 21 and the front wall 113, and the motor pulley 221 is moved forward of the front plate 212 of the case bracket 21. It is connected to the rotating shaft of the accessory motor 22 to be exposed. The air conditioner compressor 23 is mounted on an outer surface of the side plate 212 of the case bracket 21, and the compressor pulley 231 protrudes forward of the front plate 212 to the rotation shaft of the air conditioner compressor 23. Connected. In addition, a steering pump 24 is mounted inside the space formed by the case bracket 21 and the front wall 113, and the pump pulley 241 is formed on the front plate 212 of the case bracket 21. It is connected to the rotary shaft of the steering pump 24 to be exposed and protruded forward. In front of the front plate 211, a tensioner pulley 26 and an idle pulley 27 for supporting and adjusting the tension of the belt 25 are disposed and mounted to the front plate 211. As described above, the belt 25 is wound or supported on the pulleys 221, 231, 241, 26, and 27 disposed on the front plate part 211, and the air conditioner compressor and the steering pump 24 are driven by the accessory motor 22. Will be activated.

The power supply and control assembly 30 is mounted slow for controlling the supply of power to the drive motor 13 and other accessory parts and the charging and discharging of the battery assembly 60 to the batteries 62 and 63. A charger 33 (OBC: On-Board Charger), a DC converter (34, LDC: Low DC-DC Converter), a power distribution unit (35, PDU: Power Distribution Unit), and the like are integrally combined. 9 shows the configuration of the power supply and control assembly 40 in detail.

The onboard slow charger 33 is a power converter for boosting commercial AC power through a transformer and converting it into DC power through a rectifier to charge the batteries 62 and 63, and the DC converter 34 is a battery ( A device for converting a high voltage current from 62,63 into a 12V low voltage in a vehicle and supplying it to an electric load, and the power distribution unit 35 flows a flow of power and output power supplied to the driving motor 13. It is a device to control.

Referring to the drawings, the power supply and control assembly 30 is located above the motor assembly 10 and integrally coupled with the motor assembly 10. For this purpose, the bottom bracket 31 is connected to the motor assembly ( 10 is coupled to the motor mounting bracket 11 while covering the upper portion of the motor mounting bracket 11, and the layer separation bracket 32 is coupled to the upper and lower layers of the bottom bracket 31 to separate the upper and lower layers. Mounted slow charger 33 is disposed in the space between the bottom bracket 31 and the floor separation bracket 32 is coupled to the floor bracket 31, the DC converter 34 is the floor separation bracket ( It is disposed on the top of the 32 and coupled to the layer separation bracket 32, the power distribution unit 35 is disposed on the side of the layer separation bracket 32 is coupled to the bottom bracket (31).

The brake vacuum pump assembly 40 is a component for supplying a vacuum to a vacuum braking booster for increasing the operating force of the brake. 10 shows the configuration of the brake vacuum pump assembly 40 in detail. The brake vacuum pump assembly 40 includes a vacuum tank 43 having a vacuum pressure therein, a vacuum pump 42 for pumping air to form a vacuum inside the vacuum tank 43, and the vacuum. Attached bracket 41 is attached to the side wall 112 of the motor mounting bracket 11 in a state in which the tank 43 and the vacuum pump 42 are supported and coupled.

The heater assembly 60 is a component for heating hot water supplied to a heat exchanger for heating air in an air conditioning system of a vehicle. The heater assembly 60 is provided with a tank containing hot water to be heated, and an electric heater for heating the hot water inside the tank. The heater assembly 60 configured as described above is positioned in front of the motor assembly 10 and is coupled to and mounted on the vehicle body frame 1.

The battery mounting structure according to the present invention is implemented in the battery assembly. The battery assembly 60 is configured in a state in which a plurality of batteries 62 and 63 are fixed to the mounting frame 61 and positioned at the rear of the motor assembly 10 to be coupled to the vehicle body frame 1 of the vehicle. Configuration. 11A to 11C illustrate the configuration of the battery assembly 60 in detail, and FIG. 12 illustrates the configuration of the mounting frame 61 constituting the battery assembly 60 in detail.

According to the present invention, the battery assembly 60 is configured not only to appropriately distribute the front and rear weights of the batteries 62 and 63, which are heavy objects, but also to be mounted on the vehicle while lowering the center of gravity of the vehicle. It is characterized by having a structure that can be easily attached to 1).

In addition, the present invention is configured such that the battery assembly 60 is mounted at a relatively low position in order to lower the center of gravity while not interfering with the lower part of the vehicle, in particular the drive shaft 3 leading from the motor assembly 10 to the rear wheels 2b. It is characterized by.

The mounting frame 61 and the upper battery 62 and the lower battery 63 are stacked up and down to be fixed, and the upper battery 62 and the lower battery 63 are fixed to the vehicle body frame 1 in a fixed state. It is a structure having a structure to be bonded. Referring to the drawings, the mounting frame 61 is a bottom portion 611 formed by arranging and connecting a plurality of frames vertically and horizontally, as long as the frame is connected to each of the rear sides of the bottom portion 611 and extends rearwardly. A pair of rear extension portions 612, a pair of side wall portions 613 extending upward by connecting a frame to each of both edges of the bottom portion 611, and extending in a longitudinal direction to the body frame 1 The coupling bracket 614 coupled to the upper end of the side wall portion 613 is provided to be attached to the side of the main beam (1a) of the). In the battery mounting structure according to the present invention, the coupling bracket 614 has a structure located at the top of the mounting frame 61 so that the batteries 62 and 63 mounted on the mounting frame 61 are the vehicle body frame 1 of the vehicle. The position of the vehicle lower than the center of gravity can be lowered accordingly.

The lower battery 63 is provided with a pair and placed on both sides and the rear extension 612 of the bottom portion 611, respectively, with the center portions facing each other and coupled to the mounting frame 61. An upper battery 62 is placed on top of the lower battery 63 so as to span the pair of lower batteries 63 and is coupled to the mounting frame 61.

As described above, in the state where the lower battery 63 and the upper battery 62 are coupled to the upper portion of the mounting frame 61, the coupling bracket 614 is disposed on the inner surface of the main beam 1a of the body frame 1. By attaching and attaching, the battery assembly 60 can be mounted in a vehicle.

In particular, the present invention has a configuration with respect to the drive shaft 3 located in the lower part of the vehicle because the lower battery 63 is provided with a pair from side to side and is divided from side to side at the position of the center of the battery assembly 60. Interference can be avoided.

The battery mounting structure for converting the electric vehicle described above and shown in the drawings is only one embodiment for implementing the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments which have been improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

1 body frame
1a main beam
1a 'engine mounting
1b, 1c, 1d, 1e, 1f, 1g horizontal frame
1c 'mission mounting
2a, 2b front wheel, rear wheel
3 drive shaft
10 motor assembly
11 Motor Mounting Bracket
111 bottom
112 sidewall
113 Front Wall
114 Reinforcement and Seating Ribs
115 mounting coupling
12 Mission Mounting Bracket
121 connections
122 mounting coupling
123 reinforcements
13 drive motor
14 transmission
141 output shaft
15 inverter
20 pump assembly
21 Case Bracket
211 front plate
212 side plates
22 accessory motor
221 motor pulley
23 Air Conditioning Compressor
231 compressor pulley
24 steering pump
241 pump pulley
25 belt
26 tensioner pulley
27 children pulley
30 Power Supply and Control Assembly
31 floor bracket
32 layers separation bracket
33 Onboard Slow Charger (OBC)
34 DC converter (LDC)
35 Power Distribution Unit (PDU)
40 brake vacuum pump assembly
41 Mounting Bracket
42 vacuum pump
43 vacuum tank
50 heater assembly
60 battery assembly
61 mounting frames
611 bottom
612 rear extension
613 side wall
614 mating bracket
62 upper battery
63 Bottom Battery

Claims (5)

In an engine driven vehicle driven with an engine mounted on the body frame, the body frame is equipped with a drive motor for removing the engine or a part of the component parts for driving the vehicle and replacing the engine and a drive motor for replacing the removed component. In the battery mounting structure for the electric vehicle conversion for mounting the battery in the body frame to convert the engine driven vehicle into an electric vehicle,
The battery mounting structure for converting an electric vehicle, characterized in that the battery assembly is configured to be fixed to the mounting frame is located in the rear of the motor assembly coupled to the vehicle body frame of the vehicle. The method of claim 1,
The body frame has a structure in which a pair of main beams are arranged side by side in the front-rear direction,
The mounting frame may include a bottom portion formed by arranging a plurality of frames vertically and horizontally, a pair of side wall portions extending upward by connecting a frame to each of both edges of the bottom portion, and arranged in a longitudinal direction to extend the main frame. A coupling bracket coupled to the top of the side wall portion is provided to be attached to the side of the beam,
And the battery is placed on the bottom portion and coupled to the mounting frame. The method of claim 2,
Wherein the battery is provided with a pair of battery mounting structure for the electric vehicle conversion, characterized in that the center portion facing each other spaced apart and formed in the left and right sides on the top of the bottom portion to form a long space in the front and rear direction. The method of claim 3,
The mounting frame is configured to further include a pair of rear extensions extending rearward by connecting the frames at both rear sides of the bottom portion,
And the battery is placed on both sides of the bottom portion and the rear extension portion. The method of claim 4, wherein
The battery is stacked up and down,
The lowermost layer is provided with a pair of spaced to the left and right, the battery mounting structure for electric vehicle conversion, characterized in that placed on both sides of the bottom portion and the rear extension.

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