CN212796756U

CN212796756U - High-voltage power distribution module and high-voltage electric control assembly

Info

Publication number: CN212796756U
Application number: CN202021309158.4U
Authority: CN
Inventors: 李玉容; 江宝迪; 吴壬华
Original assignee: Shenzhen Shinry Technologies Co Ltd
Current assignee: Shenzhen Shinry Technologies Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-26
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a high voltage distribution module and high voltage distribution assembly, high voltage distribution module includes the casing and all locates the first relay of casing, the second relay, first copper bar, second copper bar and a plurality of protective tube, first relay and second relay all are equipped with the voltage input port, the voltage input port is used for the input signal of telecommunication, first relay is connected with first copper bar, the one end of a plurality of protective tube is connected in first copper bar, the other end is connected in the casing and is formed a plurality of first tie points, second copper bar one end is connected in the second relay, the other end is connected in the casing and is formed a plurality of second tie points, first tie point and second tie point are used for the output signal of telecommunication. Through integrating first relay, second relay, a plurality of protective tubes, first copper bar and second copper bar into an independent high voltage distribution module to assemble high voltage distribution module in advance before the assembly of complete machine, thereby simplified the assembly process of product, improved total assembly efficiency.

Description

High-voltage power distribution module and high-voltage electric control assembly

Technical Field

The utility model relates to a new energy automobile technical field, concretely relates to high voltage distribution module and high-voltage electric control assembly who has this high voltage distribution module.

Background

The new energy automobile is one of the industries with the fastest development speed at present, and with the improvement of the requirement of users on the comfort level of the whole automobile, the light weight, miniaturization and integration of key parts of the whole automobile become the main development trend of the new energy automobile. Compared with the traditional automobile, the new energy automobile has three major core components, which are respectively: battery assembly (referring to battery and battery management system); a motor assembly (referring to a motor and a motor controller); the high-voltage electric control assembly comprises a vehicle-mounted Direct Current/Direct Current (DC/DC) converter, a vehicle-mounted charger (OBC), an electric Heater (OBH), an electric air conditioner, a high-voltage distribution box and other high-voltage components. The high-voltage distribution box is used for distributing current for high-voltage components such as batteries, electric heaters and the like.

At present, relay, insurance and copper bar among the high voltage distribution box are assembled in the casing dispersedly, and its interconnecting link is mottled, need assemble one by one during the final assembly, and the final assembly not only process is complicated, and efficiency is also not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high voltage distribution module and high-pressure automatically controlled assembly are integrated into an independent high voltage distribution module with relay, insurance, copper bar to simplify the total assembly process of product, improved total assembly efficiency.

For realizing the purpose of the utility model, the utility model provides a following technical scheme:

in a first aspect, the utility model provides a high voltage distribution module, high voltage distribution module include the casing and all locate first relay, second relay, first copper bar, second copper bar and a plurality of protective tube of casing, first relay with the second relay all is equipped with the voltage input port, the voltage input port is used for the input signal of telecommunication, first relay with first copper bar is connected, and is a plurality of the one end of protective tube connect in first copper bar, the other end connect in the casing forms a plurality of first tie points, second copper bar one end connect in the second relay, the other end connect in the casing forms a plurality of second tie points, first tie point with the second tie point is used for exporting the signal of telecommunication.

In one embodiment, a plurality of copper bar connection points and a first battery connection point are arranged on the first copper bar, the first battery connection point and the copper bar connection point are arranged at intervals, and one end of the protective tube is connected with the copper bar connection point; the second copper bar is provided with a second battery connecting point, the second battery connecting point and the second connecting point are arranged at intervals, and the first battery connecting point and the second battery connecting point are used for transmitting electric signals with batteries.

In one embodiment, the high voltage distribution module further includes a control board, the plurality of first connection points include a first heater connection point, the first heater connection point is electrically connected to the control board, a second heater connection point is disposed on the housing, at least one of the second connection points is electrically connected to the second heater connection point through the control board, and the control board controls the first heater connection point and the second heater connection point to output electrical signals.

In one embodiment, the casing includes a bottom case and a cover plate, one end of the bottom case is open and has a cavity, the cover plate is covered on the opening of the bottom case and seals the cavity, the control board is located in the cavity and connected with the bottom case, and the first copper bar, the second copper bar and the plurality of protective tubes are all connected to one side of the cover plate, which faces away from the bottom case.

In one embodiment, the housing has a first receiving groove and a second receiving groove, the first receiving groove and the second receiving groove are located on one side of the cavity, the first relay is received in the first receiving groove, and the second relay is received in the second receiving groove.

In one embodiment, the number of the second heater connection points is plural, and the plural second heater connection points are independently connected to the circuit of the control board.

In one embodiment, a plurality of first baffles and second baffles are arranged on the surface of the cover plate, which faces away from the bottom shell, the first baffles are arranged between the adjacent first connecting points, and the second baffles are arranged between the adjacent second heater connecting points.

In one embodiment, the plurality of first connection points further comprises any one or more of a first air conditioner connection point, a first vehicle-mounted charger connection point, and a first dc converter connection point.

In one embodiment, the side wall of the bottom shell is provided with a mounting hole, the control board comprises a signal connecting part, and the signal connecting part is arranged in the mounting hole in a penetrating manner and extends out of the bottom shell.

In a second aspect, the present invention provides an electrical high voltage control assembly comprising any one of the embodiments of the first aspect.

Through first relay, second relay, a plurality of protective tubes, first copper bar and second copper bar integration are an independent high voltage distribution module to assemble high voltage distribution module in advance before the assembly of complete machine, only need be connected high voltage distribution module's first connecting point and second connecting point and high-pressure part electricity in the assembly, can accomplish the assembly, thereby simplified the assembly process of product, improved total assembly efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a high-voltage power distribution module according to an embodiment of the present invention;

figure 2 is a schematic top view of the high voltage power distribution module of figure 1;

figure 3 is an exploded view of the high voltage power distribution module of figure 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, an embodiment of the present invention provides a high voltage power distribution module 1000, where the high voltage power distribution module 1000 is used to distribute current for high voltage components such as an electric heater, an electric air conditioner, and a vehicle-mounted charger, a battery assembly, and a motor assembly, and is preferably applied to a new energy vehicle. The high-voltage power distribution module 1000 includes a housing 10, and a first relay 20, a second relay 30, a first copper bar 40, a second copper bar 50, and a plurality of fuses 60 all disposed on the housing 10. The first relay 20 and the second relay 30 are each provided with a voltage input port 21, and the voltage input port 21 is used for inputting an electric signal. The first relay 20 is connected to the first copper bar 40, one end of each of the plurality of fuse tubes 60 is connected to the first copper bar 40, and the other end of each of the plurality of fuse tubes 60 is connected to the housing 10 to form a plurality of first connection points 110. The second copper bar 50 has one end connected to the second relay 30 and the other end connected to the housing 10 and forms a plurality of second connection points 120. The first connection point 110 and the second connection point 120 are used to output electrical signals.

Specifically, the material of the case 10 is preferably rigid plastic such as polyethylene, polyvinyl chloride, and polystyrene, and can be injection molded by a mold. The first relay 20 and the second relay 30 may be electromagnetic relays, inductive relays, electric relays, and the like, and are mainly used to control the on/off of the current. The fuse 60 is used for protecting the circuit, and heat generated by the fuse 60 can be dissipated to the surrounding air through heat convection, heat conduction and other modes during normal operation, so that the heat generation and the heat dissipation are balanced. If the amount of heat generation is larger than the amount of heat dissipation, excessive heat is gradually accumulated in the fuse (not shown) of the fuse 60, and the temperature thereof is further increased. When the temperature exceeds the melting point, the fuse is melted to cut off the current in the circuit, thereby preventing the electrically connected devices from being burned out. The voltage input ports 21 of the first relay 20 and the second relay 30 are mainly used for inputting high-voltage direct-current signals, and preferably, the voltage input port 21 of the first relay 20 is a positive input, and the voltage input port 21 of the second relay 30 is a negative input. Referring to fig. 3, the first relay 20 and the second relay 30 are further provided with a voltage output port 22, the voltage output port 22 of the first relay 20 is connected to the first copper bar 40, and the voltage output port 22 of the second relay 30 is connected to the second copper bar 50, so as to transmit high-voltage direct current to the first copper bar 40 and the second copper bar 50. The voltage outlet 22 and the first copper bar 40 are preferably secured by a threaded connection for easy removal. The first copper bar 40 and the second copper bar 50 are both provided with a plurality of through holes, the shell 10 is provided with a plurality of corresponding threaded holes, one end of the protective tube 60 and the first copper bar 40 are fixed on the shell 10 through screws, and the other end of the protective tube is fixed on the shell 10 through screws to form a first connecting point 110; the second copper bar 50 is fixed to the housing 10 by screws to form a second connection point 120, and the screws are made of conductive metal such as copper, so that the first relay 20 is connected to the first connection point 110, and the second relay 30 is connected to the second connection point 120. The housing 10 is provided with a first groove 1201 and a second groove 1202 which are not communicated with each other, the first copper bar 40 is accommodated in the first groove 1201, and the second copper bar 50 is accommodated in the second groove 1202, so that the first copper bar 40 and the second copper bar 50 are separated from each other, and a contact short circuit is avoided.

It can be understood that, in the final assembly of the high-voltage electronic control assembly at present, the first relay 20, the second relay 30, the plurality of protective tubes 60, the first copper bar 40 and the second copper bar 50 need to be installed one by one, the lines are mottled, the final assembly process is complex, and the efficiency is low. Compared with the prior art, the utility model discloses a with first relay 20, second relay 30, a plurality of protective tubes 60, first copper bar 40 and second copper bar 50 integration are for an independent high voltage distribution module 1000, so that assemble high voltage distribution module 1000 before the assembly of complete machine, only need in the assembly with a plurality of distribution ends (if first tie point 110, second tie point 120) and the high-voltage component electricity of high voltage distribution module 1000, can accomplish the assembly of this part, the assembly process is simple, the assembly efficiency is high.

In the prior art, the relay, the protective tube and the copper bar are dispersed, so that the problem of assembly quality is easy to occur; and the assembly quality can be detected only by mounting the whole assembly, the detachability is poor, and the maintainability is weak. The high-voltage distribution module 1000 provided by the utility model can be subjected to quality inspection before the final assembly, the problem of assembly quality can be found earlier, and unqualified products are prevented from flowing to the final assembly line, so that the assembly quality of the products is improved; when high voltage power distribution module 1000 finds the problem in the assembly or use, replace with new qualified high voltage power distribution module 1000 more easily, be favorable to the maintenance of product, avoid simultaneously causing scrapping of complete machine because of high voltage power distribution module 1000's quality problems to reduce cost, and owing to only need change new qualified high voltage power distribution module 1000, detachability and maintainability are higher. In addition, aiming at products with different external requirements of different customers but similar functions, the high-voltage power distribution module 1000 can be flexibly used on different products, and the development time of the whole product is shortened.

In one embodiment, referring to fig. 1, the first copper bar 40 is provided with a plurality of copper bar connection points 130 and a first battery connection point 140. The first battery connection point 140 is spaced apart from the copper bar connection point 130, and one end of the fuse 60 is connected to the copper bar connection point 130. The second copper bar 50 is provided with a second battery connection point 150, and the second battery connection point 150 and the second connection point 120 are arranged at intervals. The first battery connection point 140 and the second battery connection point 150 are used to transmit electrical signals with the battery. By arranging the first battery connecting point 140 on the first copper bar 40 and the second battery connecting point 150 on the second copper bar 50, the battery can be charged or discharged through the first battery connecting point 140 and the second battery connecting point 150.

Specifically, the fuse 60 and the first copper bar 40 are fixed to the housing 10 together by screws to form a plurality of copper bar connection points 130. The first battery connection point 140 is formed by the first copper busbar 40 being screwed to the case 10, and the second battery connection point 150 is formed by the second copper busbar 50 being screwed to the case 10. Of course, if the first copper bar 40 and the second copper bar 50 are thick enough, the number of screws for connecting with the casing 10 can be reduced by the first copper bar 40 and the second copper bar 50, for example, the plurality of copper bar connection points 130 of the first copper bar 40 are not screwed with the casing 10, and are screwed with the casing 10 only through the first battery connection points 140.

In one embodiment, referring to fig. 1 and 3, the high voltage power distribution module 1000 further includes a control board 70. The plurality of first connection points 110 includes a first heater connection point 111, and the first heater connection point 111 is electrically connected to the control board 70. The housing 10 is provided with second heater connection points 160, and at least one of the second connection points 120 is electrically connected to the second heater connection point 160 through the control board 70. The control board 70 controls the first heater connection point 111 and the second heater connection point 160 to output electrical signals. Through setting up control panel 70, also integrate control panel 70 in high voltage power distribution module 1000 to high voltage power distribution module 1000 can be for the electric heater power supply, further improves high voltage power distribution module 1000's the degree of integrating.

Specifically, referring to fig. 3, the control board 70 has a positive input part 701, a negative input part 702 and a negative output part 703, the positive input part 701 is connected to the first heater connection point 111, the negative input part 702 is connected to the second connection point 120, and the negative output part 703 is connected to the second heater connection point 160, so that the control board 70 controls the first heater connection point 111 and the second heater connection point 160 to output current to the electric heater.

In one embodiment, referring to fig. 2 and 3, the plurality of first connection points 110 further includes any one or more of a first air conditioner connection point 112, a first vehicle charger connection point 113, and a first dc converter connection point 114. Preferably, the first connection point 110 includes a first heater connection point 111, a first air conditioner connection point 112, a first vehicle-mounted charger connection point 113 and a first dc converter connection point 114, and correspondingly, the fuse 60 includes an electric heater fuse 61, an air conditioner fuse 62, a vehicle-mounted charger fuse 63 and a dc converter fuse 64, and since the dc converter requires less current, the size of the dc converter fuse 60 is smaller. The copper bar connection point 130 comprises a corresponding heater copper bar connection point 131, an air conditioner copper bar connection point 132, a vehicle-mounted charger copper bar connection point 133 and a direct current converter connection point 134. The second connection point 120 includes a corresponding second air conditioner connection point 121, a second vehicle-mounted charger connection point 122, and a second dc converter connection point 123. The first ac connection point 112 and the second ac connection point 121 are used to supply power to the electric air conditioner, the first vehicle charger connection point 113 and the second vehicle charger connection point 122 are used to receive current from the vehicle charger to charge the battery, and the first dc converter connection point 114 and the second dc converter connection point 123 are used to supply power to the dc converter. By arranging the first connection point 110 to include any one or more of the first air conditioner connection point 112, the first vehicle-mounted charger connection point 113 and the first direct current converter connection point 114, the high-voltage power distribution module 1000 can be adapted to a complex high-voltage electric control assembly, so that the high-voltage power distribution module 1000 can be flexibly used on different products aiming at products with different external requirements of different customers but similar functions, and the development time of the whole product is shortened.

In one embodiment, referring to fig. 1, the number of the second heater connection points 160 is multiple, and the multiple second heater connection points 160 are independently connected to the circuit of the control board 70. It will be appreciated that the second heater connection point 160 is provided in plurality and is independent of the circuitry associated with the control board 70 so that in the event of a failure, the second heater connection point 160 can be replaced for continued operation. By providing the number of the second heater connection points 160 to be plural and independent circuit connection with the control board 70, the electric heater has a plurality of power supply paths, thereby improving reliability of the electric heater.

In one embodiment, referring to fig. 1 and 3, the housing 10 includes a bottom case 11 and a cover 12. One end of the bottom case 11 is open and has a cavity 1105, and the cover plate 12 is disposed on the opening of the bottom case 11 and closes the cavity 1105. The control board 70 is located in the cavity 1105 and connected to the bottom case 11, and the first copper bar 40, the second copper bar 50 and the plurality of protective tubes 60 are all connected to one side of the cover plate 12 facing away from the bottom case 11. Specifically, the bottom case 11 and the cover 12 may be fixed by a screw connection, a snap connection, or the like. The bottom case 11 is provided with a plurality of module mounting holes 1102, and the module mounting holes 1102 are used for mounting the high voltage distribution module 1000. The bottom shell 11 is provided with a plurality of threaded holes, and the control board 70 is fixed with the bottom shell 11 through threaded connection. By arranging the bottom case 11 and the cover plate 12, the control board 70 is arranged in the cavity 1105 so as to protect the control board 70 and simultaneously separate the control board 70 from the first copper bar 40 and the second copper bar 50, thereby avoiding contact short circuit. Moreover, the plurality of protective tubes 60, the first copper bars 40 and the second copper bars 50 are arranged on one side of the cover plate 12, which is back to the bottom shell 11, so that the protective tubes 60, the first copper bars 40 and the second copper bars 50, and the first connecting points 110, the second connecting points 120, the second heater connecting points 160, the first battery connecting points 140 and the second battery connecting points 150 can be conveniently replaced, the process of total assembly can be further simplified, and the assembly efficiency can be improved.

In one embodiment, referring to fig. 3, the housing 10 has a first receiving cavity 101 and a second receiving cavity 102, and the first receiving cavity 101 and the second receiving cavity 102 are located at one side of the cavity 1105. The first relay 20 is accommodated in the first accommodating groove 101, and the second relay 30 is accommodated in the second accommodating groove 102. Specifically, the inner wall shape of the first receiving groove 101 corresponds to the outer peripheral surface shape of the first relay 20, and the inner wall shape of the second receiving groove 102 corresponds to the outer peripheral surface shape of the second relay 30, so that the first relay 20 and the second relay 30 are fixed to the housing 10. It can be understood that one end of the first relay 20 is accommodated and attached to the bottom of the first accommodating groove 101, and the other end is connected and fixed to the first copper bar 40, because the first copper bar 40 is fixed to the housing 10, the first relay 20 is fixed to the housing 10, and similarly, the second relay 30 is also fixed to the housing 10.

In one embodiment, referring to fig. 1 and 3, a plurality of first baffles 1203 and second baffles 1204 are disposed on a surface of the cover 12 facing away from the bottom case 11. A first baffle 1203 is disposed between adjacent first connection points 110 and a second baffle 1204 is disposed between adjacent second heater connection points 160. By providing first and

second shutters

1203, 1204, adjacent first connection points 110 and adjacent second heater connection points 160 are spaced apart to facilitate electrical connection with high voltage components such as electrical heaters.

Specifically, a baffle is also arranged between the first connecting point 110 and the voltage output port 22 of the second relay 30, so that the short circuit between the first connecting point 110 and the voltage output port 22 of the second relay 30 and the short circuit of the high-voltage component are avoided. A baffle is also arranged between the first connecting point 110 and the second connecting point 120 to prevent the first connecting point 110 and the second connecting point 120 from being short-circuited and prevent the high-voltage component from being short-circuited. A baffle is also provided between the second heater connection point 160 and the second copper bar 50, and the baffle separates the second heater connection point 160 from the second copper bar 50 to prevent the control board 70 from being short-circuited. A baffle is also arranged between the second heater connecting point 160 and the first copper bar 40, so that the second heater connecting point 160 is prevented from being in short circuit with the first copper bar 40, and the electric heater is prevented from being in short circuit. In this embodiment, the number of the second heater connection points 160 is two, and the second baffle 1204 and the baffles around the second heater connection points 160 form an "E" shape. The first baffle 1203, the second baffle 1204, and the other baffles described above are integrated with the cover plate 12.

In one embodiment, referring to fig. 3, a mounting hole 1101 is formed on a side wall of the bottom case 11, the control board 70 includes a signal connecting portion 71, and the signal connecting portion 71 is inserted through the mounting hole 1101 and extends out of the bottom case 11. Specifically, the signal connection portion 71 is used for connecting an external circuit to receive an electrical signal input by the external circuit. In addition to the mounting holes 1101, the side wall of the bottom case 11 is provided with a plurality of through holes for providing an air flow path for the control board 70 to facilitate heat dissipation of the control board 70.

Referring to fig. 1, an embodiment of the present invention provides a high voltage electrical control assembly, which includes a high voltage power distribution module 1000 provided by an embodiment of the present invention. Specifically, the high-voltage electric control assembly further comprises an electric heater, a direct-current converter, a vehicle-mounted charger and an electric air conditioner, the first heater connection point 111 and the second heater connection point 160 of the high-voltage distribution module 1000 are electrically connected with the electric heater to supply power to the electric heater, the first direct-current converter connection point 114 and the second direct-current converter connection point 123 are electrically connected with the direct-current converter to supply power to the direct-current converter, the first vehicle-mounted charger connection point 113 and the second vehicle-mounted charger connection point 122 are electrically connected with the vehicle-mounted charger to receive current of the vehicle-mounted charger and charge a battery, and the first air conditioner connection point 112 and the second air conditioner connection point 121 are electrically connected with the electric air conditioner to supply power to the electric air conditioner. When the battery is charged through the voltage input ports 21 of the first relay 20 and the second relay 30, high-voltage direct current is converted into internal energy of the battery, and the charging speed is high; when the battery is charged through the first vehicle-mounted charger connection point 113 and the second vehicle-mounted charger connection point 122, the alternating current is converted into the internal energy of the battery, and the charging rate is slow. Through add in the automatically controlled assembly of high pressure the embodiment of the utility model provides a high-voltage distribution module 1000 to simplify the automatically controlled assembly of high pressure and even the general assembly process of whole car, improved assembly efficiency.

The above detailed description is made on the high-voltage electric control assembly and the high-voltage power distribution module thereof provided by the utility model, and the specific examples are applied herein to explain the principles and embodiments of the utility model, and the description of the above embodiments is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific embodiments and the application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a high voltage distribution module, its characterized in that includes the casing and all locates first relay, second relay, first copper bar, second copper bar and a plurality of protective tube of casing, first relay with the second relay all is equipped with the voltage input port, the voltage input port is used for the input signal of telecommunication, first relay with first copper bar is connected, and is a plurality of the one end of protective tube connect in first copper bar, the other end connect in the casing forms a plurality of first tie points, second copper bar one end connect in the second relay, the other end connect in the casing forms a plurality of second tie points, first tie point with the second tie point is used for exporting the signal of telecommunication.

2. The high voltage power distribution module of claim 1, wherein the first copper bar has a plurality of copper bar connection points and a first battery connection point, the first battery connection point is spaced apart from the copper bar connection points, and one end of the fuse is connected to the copper bar connection points; the second copper bar is provided with a second battery connecting point, the second battery connecting point and the second connecting point are arranged at intervals, and the first battery connecting point and the second battery connecting point are used for transmitting electric signals with batteries.

3. The high voltage power distribution module of claim 1 or 2 further comprising a control board, wherein the plurality of first connection points include a first heater connection point, wherein the first heater connection point is electrically connected to the control board, wherein a second heater connection point is provided on the housing, wherein at least one of the second connection points is electrically connected to the second heater connection point through the control board, and wherein the control board controls the first heater connection point and the second heater connection point to output electrical signals.

4. The high voltage power distribution module according to claim 3, wherein the housing comprises a bottom case and a cover plate, wherein one end of the bottom case is open and has a cavity, the cover plate covers the opening of the bottom case and closes the cavity, the control board is located in the cavity and is connected to the bottom case, and the first copper bar, the second copper bar and the plurality of fuse tubes are all connected to a side of the cover plate, which faces away from the bottom case.

5. The high voltage power distribution module of claim 4 wherein the housing defines a first receiving cavity and a second receiving cavity, the first receiving cavity and the second receiving cavity being positioned on one side of the receptacle, the first relay being received in the first receiving cavity and the second relay being received in the second receiving cavity.

6. The high voltage power distribution module of claim 4 wherein the number of second heater connection points is plural, the plural second heater connection points being independently connected to the circuitry of the control board.

7. The high voltage power distribution module of claim 6 wherein a surface of the cover facing away from the bottom housing is provided with a plurality of first baffles disposed between adjacent ones of the first connection points and a plurality of second baffles disposed between adjacent ones of the second heater connection points.

8. The high voltage power distribution module of claim 3, wherein the plurality of first connection points further comprises any one or more of a first air conditioner connection point, a first onboard charger connection point, and a first DC converter connection point.

9. The high voltage power distribution module of claim 4 wherein the side wall of the bottom housing defines mounting holes, and wherein the control board includes signal connections that extend through the mounting holes and out of the bottom housing.

10. A high voltage electrical control assembly comprising a high voltage power distribution module according to any of claims 1 to 9.