An electric vehicle electrical component assembly and an electric vehicle of a device stack arrangement

Abstract

The application provides an electric vehicle electrical component assembly and an electric vehicle of a device laminated arrangement, wherein a partition wall is arranged, the partition wall separates a device accommodating cavity into a charging accommodating cavity and a transformer accommodating cavity, a vehicle-mounted charging module and a charging control module are arranged in the charging accommodating cavity, the charging control module is located above the vehicle-mounted charging module; a DC module is arranged in the transformer accommodating cavity, a transformer cover plate covers the transformer accommodating cavity, the edge of the transformer cover plate is connected with the partition wall, and a capacitor module, a wiring circuit board, a relay and a fuse module are arranged on the transformer cover plate. Through the layered and laminated design of the DC module, the capacitor module, the wiring circuit board, the relay and the fuse module, the structural design is optimized, and small integration is beneficial.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new energy equipment, in particular to an electric vehicle electrical component assembly with device laminated arrangement and an electric vehicle. BACKGROUND

[0002] New energy electric vehicles have been widely applied because they do not burn gasoline to generate power and have the characteristics of environmental protection and low pollution. Existing electric vehicles all need on-board chargers and motor controllers. The on-board charger is used to charge the battery of the electric vehicle, and the motor controller is used to control the operation of the motor of the electric vehicle.

[0003] With the diversification of more and more electric vehicle functions, such as fast charging function, air conditioning function, heating function, interior and exterior lighting, camera function and intelligent central control function, the voltage requirements of each functional module are different, so charging modules, multiple voltage conversion modules and control modules need to be set up in the vehicle to meet the actual application requirements.

[0004] However, the existing electrical components are generally arranged separately and close to each other. Each component needs to be installed independently, and each component needs to be connected to the battery. The line is complex, the installation is very cumbersome, and the maintenance is difficult. At the same time, it also increases the difficulty of vehicle design, resulting in high cost, which is not conducive to popularization and use. After integrated arrangement, not only the rationalization of device layout needs to be considered to maximize integration and miniaturization, but also electromagnetic interference needs to be solved because a large number of inductors and capacitors are involved. Otherwise, it will affect the running stability of the device. SUMMARY

[0005] The first object of the present application is to provide an electric vehicle electrical component assembly with device laminated arrangement to achieve high integration.

[0006] The second object of the present application is an electric vehicle with the above-mentioned electric vehicle electrical component assembly.

[0007] In order to achieve the first object of the present application, the present application provides an electric vehicle electrical component assembly of a device laminated arrangement, comprising a shell, a cover, a vehicle-mounted charging module, a charging control module, a capacitor module, a wiring circuit board, a relay, a fuse module, a DC module and a transformer cover plate, the shell forms a device placement cavity, the cover covers the device placement cavity and is connected with the shell; a partition wall is arranged in the shell, the partition wall separates the device containing cavity into a charging containing cavity and a transformer containing cavity, the vehicle-mounted charging module and the charging control module are arranged in the charging containing cavity, and the charging control module is located above the vehicle-mounted charging module; the DC module is arranged in the transformer containing cavity, the transformer cover plate covers the transformer containing cavity, the edge of the transformer cover plate is connected with the partition wall, the edge of the transformer cover plate is provided with a first extension wall, and the first extension wall is located above the partition wall and extends in the same direction as the partition wall; the capacitor module, the wiring circuit board, the relay and the fuse module are arranged on the transformer cover plate, and the capacitor module, the wiring circuit board, the relay and the fuse module are located on one side of the first extension wall, and the charging control module is located on the other side of the first extension wall.

[0008] As can be seen from the above scheme, by arranging the charging containing cavity and the transformer containing cavity separately, and separating the two cavities by the partition wall and the first extension wall, the vehicle-mounted charging module and the charging control module are arranged in the charging containing cavity, the DC module is arranged in the transformer containing cavity, and the transformer cover plate is closed to seal, thereby improving the electromagnetic shielding performance of the assembly and the running stability of the equipment, and by arranging the DC module, the capacitor module, the wiring circuit board, the relay and the fuse module in layers, the structure design is optimized, which is beneficial to small integration.

[0009] Further, the side wall of the shell is provided with a charging interface, the capacitor module and the relay are close to the charging interface, the side wall of the shell on the side opposite to the charging interface is provided with a battery interface and an electric control interface, the wiring circuit board and the fuse module are located close to the battery interface and the electric control interface, the wiring circuit board is located above the transformer cover plate, and the fuse module is arranged above the wiring circuit board.

[0010] Further, the fuse module comprises a fuse, an injection molding part, a positive copper bar and a negative copper bar, the injection molding part, the positive copper bar and the negative copper bar are integrally formed by an injection molding process, the injection molding part forms a mounting groove between the positive copper bar and the negative copper bar, and the fuse is arranged in the mounting groove.

[0011] As can be seen above, by arranging the positions of the capacitor module, the wiring circuit board, the relay and the fuse module, and optimizing the wiring by the copper circuit of the wiring circuit board, the wiring and connection layout between the devices are optimized, and by using the injection molded fuse module, the protection wiring of the positive and negative copper bars is optimized, and the installation and connection with the fuse are facilitated.

[0012] Further, the injection molding part is further provided with a cover detection module on one side of the installation groove.

[0013] From the above, the cover detection module is arranged on the insurance module, so that whether the cover is in place can be detected during maintenance.

[0014] Further, the transformer cover plate is provided with a second connecting line gap, and the second connecting line gap is in communication with the transformer accommodating cavity.

[0015] From the above, the connecting line gap is arranged for the connecting line to pass through and connect between the modules, and then the electromagnetic shielding effect between the modules is not affected.

[0016] Further, the spacer wall divides the device accommodating cavity into a charging accommodating cavity, a transformer accommodating cavity and an input accommodating cavity, and the electric vehicle electrical component assembly further comprises an input filter module, the input filter module is arranged in the input accommodating cavity, an input cover plate covers the input accommodating cavity, and an edge of the input cover plate is connected with the spacer wall.

[0017] Further, the edge of the input cover plate is provided with a second extension wall, the second extension wall is located above the spacer wall and extends in the same direction as the spacer wall, and the charging control module is located between the first extension wall and the second extension wall.

[0018] Further, the side wall of the shell near the input cover plate is provided with an output interface and a signal interface, and the output interface and the signal interface are located above the input cover plate.

[0019] From the above, the input filter module is arranged to be isolated, so that the electromagnetic shielding performance of the devices in the cavity and the interfaces is improved.

[0020] Further, the bottom wall of the shell opposite to the cover body is provided with a cooling groove, the cooling groove is located outside the device placing cavity, and the cooling groove is covered with a cooling cover.

[0021] In order to achieve the second object of the present application, the present application provides an electric vehicle comprising the electric vehicle electrical component assembly of the above-mentioned scheme. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural diagram of an embodiment of the electric vehicle electrical component assembly of the present application.

[0023] Figure 2 is a structural diagram of an embodiment of the electric vehicle electrical component assembly of the present application from another side view.

[0024] Figure 3 is an exploded view of the cooling cover of the electric vehicle electrical component assembly embodiment of the present application.

[0025] Figure 4It is the structure diagram of the embodiment of the electric vehicle electrical component assembly of the application omitting the cooling cover.

[0026] Figure 5 It is the structure diagram of the embodiment of the electric vehicle electrical component assembly of the application omitting the cover body.

[0027] Figure 6 It is the exploded view of the embodiment of the electric vehicle electrical component assembly of the application.

[0028] Figure 7 It is the structure diagram of the embodiment of the electric vehicle electrical component assembly of the application from the perspective of the transformer cover plate and the input cover plate.

[0029] Figure 8 It is the exploded view of the transformer cover plate and the input cover plate in the embodiment of the electric vehicle electrical component assembly of the application.

[0030] Figure 9 It is the structure diagram of the embodiment of the electric vehicle electrical component assembly of the application omitting the on-board charging module.

[0031] Figure 10 It is the sectional view of the embodiment of the electric vehicle electrical component assembly of the application.

[0032] The application is further described below in combination with the drawings and embodiments. DETAILED DESCRIPTION

[0033] Embodiment of electric vehicle electrical component assembly:

[0034] Referring to Figures 1 to 10 , the electric vehicle electrical component assembly 1 comprises a shell 12, a cover body 11, an inspection cover body 13, a cooling cover 15, an on-board charging module 31, a charging control module 32, a capacitor module 34, a wiring circuit board 36, a relay 33, an insurance module 35, a DC module 37, an input filter module 38 and an output filter module 39. The shell 12 forms a device placement cavity, the cover body 11 is provided with an inspection opening, the inspection cover body 13 is arranged in the inspection opening, the cover body 11 covers the device placement cavity and is connected with the shell 12, and the above-mentioned electrical components are arranged in the device placement cavity. The input filter module 38 is provided with a corresponding filter circuit, the DC module 37 is provided with a DCDC circuit, the capacitor module 34 comprises a substrate and a plurality of capacitors arranged on the substrate, the on-board charging module 31 is provided with a charging circuit, which can be specifically an OBC module, and the input filter module 38 is connected with the OBC filter circuit of the on-board charging module 31.

[0035] The shell 12 is provided with a partition wall 45, which divides the device accommodating cavity into a charging accommodating cavity, a transformer accommodating cavity and an input accommodating cavity. Specifically, the partition wall 45 includes a first sub-wall 451, a second sub-wall 452, a third sub-wall 453 and a fourth sub-wall 454. The first sub-wall 451, the second sub-wall 452 and the third sub-wall 453 are connected at the middle part of the shell 12. The first sub-wall 451 and the third sub-wall 453 are arranged as straight walls. The second sub-wall 452 is arranged as a curved arc wall. The first sub-wall 451, the second sub-wall 452 and the inner circumferential wall of the shell 12 form the transformer accommodating cavity. The first sub-wall 451, the third sub-wall 453 and the inner circumferential wall of the shell 12 form the charging accommodating cavity. The second sub-wall 452, the third sub-wall 453 and the inner circumferential wall of the shell 12 form the input accommodating cavity.

[0036] The fourth sub-wall 454 is arranged in the transformer accommodating cavity and is provided with a first connecting line notch 456. The output filter module 39 is arranged in the transformer accommodating cavity between the fourth sub-wall 454 and the second sub-wall 452. The DC module 37 is arranged in the transformer accommodating cavity between the first sub-wall 451 and the fourth sub-wall 454. The input filter module 38 is arranged in the input accommodating cavity. The vehicle-mounted charging module 31 is arranged in the charging accommodating cavity.

[0037] In the transformer accommodating cavity, i.e., the bottom wall of the shell 12 opposite to the cover 11 is provided with an inductor placement groove 121, a capacitor placement groove 123 and a power heat conduction column 122. The vehicle-mounted charging module 31 is arranged in a reverse buckling manner. The capacitor is arranged on the capacitor placement groove 123. The inductor is arranged in the inductor placement groove 121. The power tube is adjacent to the side wall of the power heat conduction column 122.

[0038] The outer side of the bottom wall is provided with a cooling groove 2, which is arranged as a thin groove. The bottom surface 21 of the cooling groove 2 is provided with two first deep grooves 22 facing the power heat conduction column 122. The bottom surface 21 of the cooling groove 2 is provided with a second deep groove 23 facing the inductor placement groove 121. The inductor placement groove 121 and the second deep groove 23 are arranged close to the side wall. The cooling groove 2 is provided with a first interface 146 and a second interface 147 on the opposite two side walls of the shell 12. The first deep groove 22 and the power heat conduction column 122 are close to the first interface 146. The first interface 146 is in communication with the first deep groove 22. The bottom surface 21 of the cooling groove 2 is provided with a communication groove 28 close to the second interface 147. The second interface 147 is in communication with the communication groove 28. The bottom of the communication groove 28 is provided with a guide arc surface.

[0039] The bottom surface 21 of the cooling groove 2 is provided with a protrusion 27 at the position of the capacitor placement groove 123, and through the avoidance design of the protrusion 27 and the capacitor placement groove 123, a larger capacitor can be placed. The bottom surface 21 of the cooling groove 2 is provided with a plurality of heat-conducting protrusions 26, and the bottom surface 21 of the cooling groove 2 is provided with two flow guide ribs 24, one of which is a straight bar and the other of which is an L-shaped arrangement. The two flow guide ribs 24 are arranged between the first interface 146 and the second interface 147, so that the cooling flow channel is arranged in a spiral manner. A receiving step 25 is arranged on the outer periphery of the cooling groove 2, the step surface of the receiving step 25 is in the same plane as the top surface of the flow guide rib 24, the cooling cover 15 is adjacent to the step surface and the top surface of the flow guide rib 24, the cooling cover 15 covers the cooling groove 2, and the cooling cover 15 and the shell 12 are welded by friction welding, thereby realizing the sealing of the cooling flow channel.

[0040] The vehicle-mounted charging module 31 is located near the first interface 146, the DC module 37 is connected to the bottom wall to realize corresponding heat transfer, and the DC module 37 is located near the second interface 147. In use, due to the large amount of heat generated by the vehicle-mounted charging module 31, the first interface 146 can be used as a cooling liquid inlet, and the second interface 147 can be used as a cooling liquid outlet.

[0041] The electric vehicle electrical component assembly 1 further comprises a transformer cover plate 41 and an input cover plate 42. The transformer cover plate 41 covers the transformer containing cavity, and the edge of the transformer cover plate 41 is connected to the partition wall 45 by screws. The input cover plate 42 covers the input containing cavity, and the edge of the input cover plate 42 is connected to the partition wall 45 by screws.

[0042] The edge of the transformer cover plate 41 is provided with a first extension wall 43, which is located above the partition wall 45 and extends in the same direction as the partition wall 45. The edge of the input cover plate 42 is provided with a second extension wall 44, which is located above the partition wall 45 and extends in the same direction as the partition wall 45. The first extension wall 43 and the second extension wall 44 are both vertically erected and horizontally extended, and the inner ends of the first extension wall 43 and the second extension wall 44 are close to each other in the middle part. The outer ends of the first extension wall 43 and the second extension wall 44 are close to the side wall of the shell 12. The first extension wall 43 is provided with a wire connection notch 413 in the horizontal direction.

[0043] The transformer cover plate 41 is provided with a second wire connection notch 411 and a plurality of wire holes 412, which are vertically penetrated. The second wire connection notch 411 is located near the partition wall 45 and communicates with the transformer containing cavity. The plurality of wire holes 412 are located on the outer periphery and are respectively connected to the DC module 37 and the output filter module 39. The input cover plate 42 is also provided with a wire hole 421, which communicates with the input containing cavity and is used for wire connection with the input filter module 38.

[0044] The charging control module 32 is located above the on-board charging module 31, and the charging control module 32 is located between the first extension wall 43, the second extension wall 44 and the side wall of the shell 12. The capacitor module 34, the wiring circuit board 36, the relay 33 and the fuse module 35 are arranged on the voltage conversion cover plate 41, and the capacitor module 34, the wiring circuit board 36, the relay 33 and the fuse module 35 are located on one side of the first extension wall 43, and the charging control module 32 is located on the other side of the first extension wall 43.

[0045] The side wall of the shell 12 is provided with a charging interface 141, and the side wall of the shell 12 on the opposite side of the charging interface 141 is provided with a battery interface 145, an electric control interface 144, an output interface 143 and a signal interface 142. The capacitor module 34 and the relay 33 are close to the charging interface 141, the charging interface 141 can realize the function of fast charging, and is controlled by the on-off of the relay 33, and is filtered by the capacitor module 34 nearby. The wiring circuit board 36 and the fuse module 35 are located close to the battery interface 145 and the electric control interface 144, the wiring circuit board 36 is located above the voltage conversion cover plate 41, the fuse module 35 is arranged above the wiring circuit board 36, and the copper circuit is arranged on the substrate of the wiring circuit board 36. The copper circuit is designed according to the preset circuit, and then connected with the charging control module 32, the capacitor module 34, the fuse module 35, the DC module 37, the input filter module 38 and the output filter module 39 through wires or jumpers, so as to avoid a large number of jumper arrangements. The output interface 143 and the signal interface 142 are located above the input cover plate 42.

[0046] The fuse module 35 includes a plurality of fuses 353, an injection molding part 351, a positive copper bar and a negative copper bar, the injection molding part 351, the positive copper bar and the negative copper bar are integrally formed by an injection molding process, the injection molding part 351 forms a plurality of mounting grooves 352 between the positive copper bar and the negative copper bar, one fuse 353 is arranged in one mounting groove 352, and the injection molding part 351 is further provided with a cover detection module 354 on one side of the mounting groove 352. After the maintenance cover 13 is closed, the maintenance cover 13 abuts against the cover detection module 354 to trigger the cover closing signal.

[0047] The fuse module 35 is used for connecting between the battery interface 145, the electric control interface 144 and the output interface 143, the battery interface 145 is connected with the battery, the electric control interface 144 is connected with the motor controller, the output interface 143 can be connected with a plurality of devices in the electric vehicle, such as air conditioner, heater, and the signal interface 142 is connected with the charging control module 32.

[0048] Furthermore, an insertion hole can be provided in the cooling tank, extending into the interior of the power heat-conducting column. Since the power heat-conducting column receives a large amount of waste heat from the power tube, the inner end of the heat pipe is inserted into the insertion hole, and the outer end of the heat pipe extends to the outside and is located in the cooling tank, thereby quickly removing heat.

[0049] In addition, the inductor placement slot has a wall, and the interior of the second deep slot has a socket that extends into the slot wall. The inner end of the heat pipe is inserted into the socket, and the outer end of the heat pipe extends to the outside. The outer end of the heat pipe is located inside the second deep slot, allowing the coolant to quickly carry away waste heat when it flows through it. Furthermore, a heat-conducting pillar is also provided inside the housing. The power tube can be placed close to the heat-conducting pillar for waste heat conduction. The heat-conducting pillar has a socket inside, into which a heat pipe is inserted, with its outer end extending into the cooling slot, thereby improving heat conduction efficiency. Both the power heat-conducting pillar and the wall of the inductor placement slot can be used as power heat-conducting pillars adjacent to the power tube, thus achieving the purpose of this invention.

[0050] Electric vehicle example:

[0051] The electric vehicle includes the electric vehicle electrical component assembly, battery, motor controller, motor, and walking device of the above embodiments.

[0052] As can be seen from the above, by separating the charging cavity and the transformer cavity, and separating the two cavities by the partition wall and the first extension wall, the on-board charging module and the charging control module are both placed in the charging cavity, and the DC module is placed in the transformer cavity and sealed by the transformer cover. This improves the electromagnetic shielding performance of the assembly and thus improves the operational stability of the equipment. Furthermore, by designing the DC module, capacitor module, wiring board, relay and fuse module in a layered and stacked manner, the optimized structural design is conducive to miniaturization and integration.

[0053] In addition, the electrical component assembly integrates the vehicle-mounted charging module capable of achieving fast charging of the battery and the DC module capable of being connected with the battery and achieving corresponding voltage conversion to supply power for the air conditioner, heating module, vehicle lamp module and the like into the shell, and the cooling groove is arranged on the outer side of the bottom wall, in order to reduce the overall thickness of the assembly as much as possible, the first deep groove is arranged at the first interface position, and the first deep groove extends towards the power heat conduction column, which not only enables the cooling liquid to be closer to the heat source to improve the heat dissipation efficiency, but also avoids the opening position of the first interface, and the second interface adopts the design of the communication groove, thereby achieving corresponding avoidance, so that the groove depth of the cooling groove and the overall thickness of the assembly can be reduced, and the heat dissipation performance of the assembly can be greatly improved. The cooling liquid can be close to the internal heat source through the second deep groove, thereby improving the heat dissipation efficiency, and the waste heat of the power heat conduction column can be rapidly conducted to the cooling groove through the high-efficiency heat conduction heat pipe, thereby further improving the heat dissipation efficiency. Through the design of the receiving step and the flow guide rib, the cooling cover is welded after being covered, and then a spiral flow channel is formed, the first interface is used for the cooling liquid inlet, and the second interface is used for the cooling liquid outlet, so that the vehicle-mounted charging module with large heat generation is close to the first interface, thereby improving the heat dissipation efficiency of the vehicle-mounted charging module.

[0054] Furthermore, the variable voltage cover is covered on the variable voltage containing cavity, so that the variable voltage containing cavity is relatively closed, and the input cover is covered on the input containing cavity, so that the input containing cavity is relatively closed, thereby realizing isolation and placement of the input filter module, the vehicle-mounted charging module and the DC module in the device placement cavity, and improving the electromagnetic shielding performance. The first extension wall and the second extension wall are arranged to provide isolation for the upper part of the device placement cavity, thereby further improving the isolation of other devices. The device modules are stably installed through the partition wall, and the partition wall provides electromagnetic shielding effect between the modules, so that the stability of the modules is improved. The connection line passes through and is connected between the modules through the arrangement of the wire gap, thereby not affecting the electromagnetic shielding effect between the modules.

Claims

1. An electric vehicle electrical component assembly of a device stack arrangement, characterized by, The electric component assembly of the electric vehicle comprises a shell, a cover, a vehicle-mounted charging module, a charging control module, a capacitor module, a wiring circuit board, a relay, an insurance module, a DC module and a transformer cover plate. The shell forms a device placement cavity, and the cover covers the device placement cavity and is connected with the shell. The shell is provided with a partition wall, which divides the device placement cavity into a charging accommodation cavity and a transformer accommodation cavity. The vehicle-mounted charging module and the charging control module are arranged in the charging accommodation cavity, and the charging control module is located above the vehicle-mounted charging module. The DC module is arranged in the transformer accommodation cavity, and the transformer cover plate covers the transformer accommodation cavity. The capacitor module, the wiring circuit board, the relay and the insurance module are arranged on the transformer cover plate. The capacitor module, the wiring circuit board, the relay and the insurance module are located on one side of the first extension wall, and the charging control module is located on the other side of the first extension wall. The partition wall divides the device placement cavity into the charging accommodation cavity, the transformer accommodation cavity and an input accommodation cavity. The partition wall comprises a first sub-wall, a second sub-wall, a third sub-wall and a fourth sub-wall. The first sub-wall, the second sub-wall and the third sub-wall are connected at the middle part of the shell. The first sub-wall and the third sub-wall are arranged as straight walls, and the second sub-wall is arranged as a curved arc wall. The first sub-wall, the second sub-wall and the inner circumferential wall of the shell surround the transformer accommodation cavity. The first sub-wall, the third sub-wall and the inner circumferential wall of the shell surround the charging accommodation cavity. The second sub-wall, the third sub-wall and the inner circumferential wall of the shell surround the input accommodation cavity. The fourth sub-wall is arranged in the transformer accommodation cavity. The first sub-wall and the fourth sub-wall are arranged in the transformer accommodation cavity. The input filter module is arranged in the input accommodation cavity, and the vehicle-mounted charging module is arranged in the charging accommodation cavity. The edge of the input cover plate is provided with a second extension wall. The second extension wall is located above the partition wall and extends in the same direction as the partition wall. The inner ends of the first extension wall and the second extension wall are close to each other at the middle part. The outer ends of the first extension wall and the second extension wall are close to the side wall of the shell. The charging control module is located between the first extension wall, the second extension wall and the side wall of the shell.

2. The electric component assembly of the electric vehicle according to claim 1, wherein: The side wall of the shell is provided with a charging interface, the capacitor module and the relay are close to the charging interface, the side wall of the shell opposite to the charging interface is provided with a battery interface and an electric control interface, the wiring circuit board and the fuse module are located close to the battery interface and the electric control interface, the wiring circuit board is located above the transformer cover plate, and the fuse module is arranged above the wiring circuit board. 3.The electric vehicle electrical component assembly of claim 1, wherein: The fuse module comprises a fuse, an injection molding part, a positive copper bar and a negative copper bar, the injection molding part, the positive copper bar and the negative copper bar are integrally formed through an injection molding process, the injection molding part forms a mounting groove between the positive copper bar and the negative copper bar, and the fuse is arranged in the mounting groove. 4.The electric vehicle electrical component assembly of claim 3, wherein: The injection molding part is further provided with a cover detection module on one side of the mounting groove. 5.The electric vehicle electrical component assembly of claim 1, wherein: The transformer cover plate is provided with a second wiring gap, and the second wiring gap is in communication with the transformer accommodating cavity. 6.The electric vehicle electrical component assembly of claim 1, wherein: The side wall of the shell close to the input cover plate is provided with an output interface and a signal interface, and the output interface and the signal interface are located above the input cover plate.

7. The electric vehicle electrical component assembly of any one of claims 1 to 5, wherein: The bottom wall of the shell opposite to the cover body is provided with a cooling groove, the cooling groove is located outside the device placing cavity, and the cooling groove cover is provided with a cooling cover.

8. An electric vehicle, characterized by The electric vehicle electrical component assembly comprises the electric vehicle electrical component assembly according to any one of claims 1 to 7.

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