CN217903359U - Battery package and vehicle - Google Patents

Abstract

An embodiment of the utility model provides a battery package and vehicle belongs to electric automobile technical field. The battery pack is arranged under a floor of a vehicle body of a vehicle and between a front drive shaft and a rear drive shaft of the vehicle, and the battery pack includes: a housing; the battery module and the plurality of electronic control modules are arranged in the shell; the shell is divided into a first space area, a second space area and a third space area, the first space area is close to the front driving shaft, the second space area is close to the rear driving shaft, and the third space area is located between the first space area and the second space area; the plurality of electronic control modules are arranged in the first space region and/or the second space region, the battery module is arranged in the third space region, and the battery module is respectively connected with the plurality of electronic control modules through lines in the shell. According to the battery pack, the plurality of electronic control modules are integrated, the space of a front cabin and a rear cabin of a vehicle is saved, the length of a high-voltage wire can be shortened, and the load distribution of the vehicle can be balanced.

Description

Battery package and vehicle

Technical Field

The utility model relates to an electric automobile technical field specifically relates to a battery package and vehicle.

Background

At present, a battery module in a battery pack of an electric vehicle is connected with each electric control module of the vehicle through a high-voltage wire, and the electric control modules are dispersedly arranged at the lower part of a front cabin or a rear cabin luggage box of the vehicle, so that the length of the high-voltage wire connected between the battery module and the electric control module or between the electric control modules is longer. Moreover, due to the size of the shell of each electric control module, the arrangement and connection mode not only occupies the space of the front cabin or the rear cabin, and causes the waste of space and the time and labor consumption of assembly, but also virtually increases the development cost of the whole vehicle due to the overlong high-voltage wire.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a battery package and vehicle for solve the technical problem that above-mentioned exists at least partially.

In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a battery pack, which is arranged below a vehicle body floor of a vehicle and located between a front drive shaft and a rear drive shaft of the vehicle, and the battery pack includes: a housing; the battery module and the plurality of electronic control modules are arranged in the shell; a first space region, a second space region and a third space region are divided in the shell, the first space region is close to the front driving shaft, the second space region is close to the rear driving shaft, and the third space region is located between the first space region and the second space region; the plurality of electronic control modules are arranged in the first space region and/or the second space region, the battery module is arranged in the third space region, and the battery module is respectively connected with the plurality of electronic control modules through lines in the shell.

Optionally, the plurality of electronic control modules include: the direct current conversion module, the front air conditioner control module and the front motor driving module are arranged in the first space region; a rear motor driving module and a rear air conditioner control module arranged in the second space region; and a discharging module and a slow charging module disposed in the first space region or the second space region.

Optionally, the housing includes a lower housing and an upper housing that are adapted to each other, and the lower housing is provided with a plurality of protruding beams that are adapted to each of the electronic control modules.

Optionally, the plurality of raised cross beams are arranged in parallel.

Optionally, the housing is provided with an access port for maintaining and accessing each electronic control module.

Optionally, the battery pack further comprises an insulating isolation layer arranged between the battery module and the electronic control module.

Optionally, the battery pack further comprises a fuse arranged on a line between the battery module and the electronic control module.

Optionally, the battery pack further includes a battery management system disposed in the third spatial region, and the battery management system is connected to a vehicle control unit of the vehicle.

Optionally, the battery pack further comprises a cooling module arranged in the housing, and the cooling module is connected with a heat dissipation component located outside the battery pack through a cooling pipeline.

In a second aspect, an embodiment of the invention provides a vehicle including the battery pack of any one of the first aspect.

Through the technical scheme, the utility model discloses battery package is integrated in the casing with electronic control module, has practiced thrift the space of cabin and backshell before the vehicle effectively, and has shortened the connecting wire length between electronic control module and battery module and each electronic control module, can effectively improve assembly efficiency, and is favorable to whole car to subtract the load distribution of heavy and balanced vehicle front and back axle.

Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:

fig. 1 is a schematic diagram of a battery pack according to an exemplary embodiment;

FIG. 2 is a schematic diagram of another battery pack shown in accordance with an exemplary embodiment;

fig. 3A is a plan view of a lower case of a battery pack according to an exemplary embodiment;

fig. 3B is a side view of a lower case of a battery pack according to an exemplary embodiment; and

fig. 3C is a top view of an upper housing of a battery pack, according to an exemplary embodiment.

Description of the reference numerals

1 first spatial region 2 second spatial region

3 third spatial zone 10 housing

11 lower shell 12 upper shell

20 Battery module 21BMS module

22 electric control module of vehicle control unit 30

30a DC conversion module 30b front air conditioner control module

30c front motor drive module 30d rear motor drive module

30e rear air conditioner control module 30f discharge module

30g slow charging module 31 slow charging seat

32 quick charging stand 41 insulation isolation layer

42 insulating barrier 51 first cooling module

52 second cooling module 53 radiator

54 cooling water inlet pipe and 55 cooling water return pipe

56 radiator fan 57 expansion tank

61 front driving shaft 62 front motor

63 front wheel 64 rear driving shaft

65 rear motor 66 rear wheel

111 raised Cross Beam 112 raised Cross Beam

121 service port 122 service port

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is provided for purposes of illustration and explanation, and is not intended to limit the embodiments of the invention.

Generally, a battery module for supplying electric power to an electric vehicle is disposed under a vehicle body floor of the vehicle in the form of a battery pack, and is used for supplying electric power to an electronic control module of the vehicle, so that the electronic control module can control corresponding components of the vehicle to operate. At present, battery module and electronic control module are mostly the disconnect-type and arrange the type, and electronic control module arranges outside the battery package, and is the decentralized and arranges in the preceding cabin and/or the rear deck of vehicle. The arrangement form ensures that the circuits connected between the battery module and the electric control module and among the electric control modules are overlong and have complex circuit structures, which not only causes the waste of the internal space of the vehicle cabin, but also invisibly increases the development cost of the whole vehicle by overlong high-voltage wires.

In view of this, an embodiment of the present invention provides a battery pack, as shown in fig. 1, the battery pack is disposed under a floor of a vehicle body of a vehicle and between a front drive shaft 61 and a rear drive shaft 64 of the vehicle, and the battery pack includes: a housing 10; and a battery module 20 and a plurality of electronic control modules 30 disposed within the housing 10; a first space region 1, a second space region 2 and a third space region 3 are divided in the housing 10, the first space region 1 is close to the front drive shaft 61, the second space region 2 is close to the rear drive shaft 64, and the third space region 3 is located between the first space region 1 and the second space region 2; the plurality of electronic control modules 30 are disposed in the first space region 1 and/or the second space region 2, the battery module 20 is disposed in the third space region 3, and the battery modules 20 and the plurality of electronic control modules 30 are connected to each other within the case 10, respectively.

For example, each electronic control module 30 and the battery module 20 may be connected by a copper bar or a lead, and each electronic control module 30 is connected to a component outside the battery pack by a high voltage line and each electronic control module 30 is connected to each other by a high voltage line. Since the first spatial area 1 is close to the front drive shaft 61 of the vehicle, the electronic control module 30 can be arranged in the first spatial area 1 if the electronic control module 30 is connected to a component close to the front end of the vehicle. Since the second spatial region 2 is close to the rear drive axle 64 of the vehicle, the electronic control module 30 can be arranged in the second spatial region 2 if the electronic control module 30 is connected to a component close to the rear end of the vehicle. The battery module 20 is disposed in the third spatial region 3, i.e., the battery module 20 is disposed between the plurality of electronic control modules 30 of the first spatial region 1 and the plurality of electronic control modules 30 of the second spatial region 2.

The embodiment of the utility model provides an in, integrate a plurality of automatically controlled modules in the casing of battery package, be favorable to automatically controlled module's concentrated management and control, and compare in the space that the vehicle front and back cabin can effectively be practiced thrift to the present automatically controlled module dispersion type arrangement pattern. And the battery pack is integrally arranged between the front driving shaft and the rear driving shaft below the floor of the vehicle, so that the connection with the front end and the rear end of the vehicle can be simultaneously considered, and the arrangement of a connecting line between the battery pack and the front end and the rear end of the vehicle is facilitated. And simultaneously, the embodiment of the utility model provides a space through the casing to the battery package is divided, based on the connection condition of the outer part of automatically controlled module and battery package, can arrange automatically controlled module in corresponding space region in a flexible way, optimizes the circuit structure that automatically controlled module and part are connected. In addition, the battery module is arranged between the first space area and the second space area, so that the length of a line connecting the battery module and each electronic control module is effectively shortened, the assembly efficiency is improved, and the weight reduction of the whole vehicle and the load distribution of the front shaft and the rear shaft of the vehicle are facilitated.

The structure and specific spatial distribution within the battery pack are described in further detail below.

In a preferred embodiment, as shown in fig. 2, the electronic control module comprises: a direct current conversion module 30a, a front air conditioner control module 30b, a front motor driving module 30c disposed in the first space region 1; a rear motor driving module 30d, a rear air conditioner control module 30e disposed in the second spatial region 2; and a discharging module 30f and a slow charging module 30g disposed in the first space region 1 or the second space region 2.

For example, the dc conversion module 30a is used to supply power to low-voltage electrical devices (12V) in the cabin of the vehicle and in the passenger cabin. The front air conditioning control module 30b is connected to a front compartment air conditioning system of the vehicle for controlling the operation of the front compartment air conditioning system of the vehicle. The front motor driving module 30c is connected to a front motor 62 of the vehicle for driving the front motor 62 of the vehicle to operate. It can be seen that the above-mentioned electronic control modules 30a, 30b and 30c are all connected to components located at the front end of the vehicle, and therefore all three of the above-mentioned electronic control modules are arranged in the first space region 1 close to the front drive shaft 61 of the vehicle in order to optimize the connection lines at the front end of the vehicle.

The rear motor driving module 30d is connected to a rear motor 65 of the vehicle, and is configured to drive the rear motor 65 of the vehicle to operate. The rear air conditioning control module 30e is connected to a rear cabin air conditioning system of the vehicle, and is configured to control operation of the rear cabin air conditioning system of the vehicle. It can be seen that the rear motor drive module 30d and the rear air conditioning control module 30e are connected to the rear motor 65 and the rear cabin air conditioning system, respectively, which are located at the rear end of the vehicle, so that both the electronic control modules 30d and 30e are arranged in the second space region 2 close to the rear drive shaft 64 of the vehicle in order to optimize the connection lines at the rear end of the vehicle.

And for the discharging module 30f, it is used for supplying power to the vehicle external electric appliance (220V), therefore, the discharging module 30f can be flexibly arranged in the first space region 1 or the second space region 2 according to the actual use condition of the external electric appliance, so as to simplify the connected line. For the slow charging module 30g, it is connected to the slow charging dock 31. If the slow-charging dock 31 is disposed at the rear of the vehicle, such as on the left (or right) side of the rear vehicle body, the slow-charging module 30g is disposed in the second spatial region 2 near the rear drive axle 64 of the vehicle. If the slow-charging dock 31 is disposed in front of the vehicle, such as on the left (or right) side of the front body, the slow-charging module 30g is disposed in the first spatial region 1 near the front drive shaft 61 of the vehicle. As shown in fig. 2, the battery module 20 is connected to the quick-charge charger 32 for quick-charging the battery module 20. It should be noted that the embodiment of the present invention is not limited to the above-mentioned electronic control module, and those skilled in the art can also add other electronic control modules according to actual needs and use cases.

For example, when the automobile starts to operate, the battery module 20 supplies power to the front motor driving module 30c and the rear motor driving module 30d, and the front motor driving module 30c drives the front motor 62 to rotate, so as to drive the front driving shaft 61 to drive the front wheels 63 to rotate. The rear motor driving module 30d drives the rear motor 65 to rotate, and further drives the rear driving shaft 64 to rotate the rear wheel 66.

Can see through above-mentioned embodiment, the utility model discloses an integrated automatically controlled module can arrange in a flexible way in the space region of difference according to its and the vehicle part's the condition of being connected in the battery package, effectual reduction interconnecting link length optimizes the circuit structure.

In a preferred embodiment, the housing comprises a lower housing and an upper housing which are matched with each other, and a plurality of protruding cross beams which are matched with each electronic control module to be installed are arranged on the lower housing.

For example, as shown in fig. 3A, 3B, and 3C, the case of the battery pack includes a lower case 11 and an upper case 12. A plurality of protruding cross members 111 and a plurality of protruding cross members 112 are respectively provided on both sides of the lower case 11. The raised cross member 111 is used to mount the electronic control module in the first spatial region. The raised cross member 112 is used for mounting the electronic control module in the second space region.

The embodiment of the utility model provides an in, can effectual fixed each electronic control module through set up protruding crossbeam on the lower casing of battery package, alleviate electronic control module and receive the influence of vehicle vibration, guarantee that each electronic control module can the safe operation.

In a more preferred embodiment, a plurality of raised cross-members on the lower housing are arranged in parallel.

For example, as shown in fig. 3A and 3B, the plurality of raised cross members 111 and 112 are arranged in parallel with each other, so that the respective electronic control modules mounted thereon can be arranged in parallel. This kind of mode can further optimize the arrangement of automatically controlled module in the battery package, the internal space of rational use battery package, and can further rationally optimize the circuit arrangement in the casing, reduce circuit length.

In a preferred embodiment, service ports are disposed on the housing of the battery pack for maintenance and service of the individual electronic control modules.

For example, as shown in fig. 3C, taking the case where the service ports are arranged in the upper housing 12 as an example, the upper housing 12 is arranged with service ports 121 and 122. Wherein the service port 121 corresponds to the plurality of projection beams 111 arranged on the lower housing 11 at the position of the upper housing 12. The service port 122 corresponds in position to the upper housing 12 to the plurality of raised cross members 112 arranged in the lower housing 11. The service ports 121 and 122 can be fixed by bolt holes formed in the lower case 11, and the number of the bolt holes can be flexibly set according to actual use requirements and the sealing condition of the battery pack. It can be seen that when the electronic control modules are respectively fixed on the raised cross beam 111 and the raised cross beam 112, the present application can maintain and overhaul the electronic control modules at the corresponding positions through the overhaul port 121 and the overhaul port 122. It should be noted that, the arrangement position of the service port is only a preferred mode, and a person skilled in the art can flexibly set the position of the service port on the housing according to actual service needs and the actual arrangement position of each electronic control module.

In a preferred embodiment, the battery pack further includes an insulating separator disposed between the battery module and the electronic control module.

For example, as shown in fig. 3A and 3B, an insulating separator 41 and an insulating separator 42 are provided in the battery pack. The insulating isolation layer 41 is used to separate the battery module 20 from the electronic control module in the first space region, and the insulating isolation layer 42 is used to separate the battery module 20 from the electronic control module in the second space region. The insulating isolation layer 41 and/or the insulating isolation layer 42 may be fixed on the upper plane of the lower housing 11 by welding or bolting.

In addition, for the fixing of the service port 121 and the service port 122 mentioned in the above embodiments, the present embodiment may also effectively fix the service port 121 and the service port 122 by forming bolt holes in the insulating isolation layer 41 and the insulating isolation layer 42 and matching with the bolt holes formed in the lower housing 11.

The embodiment of the utility model provides an in, through set up insulating isolation layer between battery module and each automatically controlled module, electromagnetic interference between can each automatically controlled module of effectual reduction and the battery module ensures the safe operation of each automatically controlled module and battery module.

In a preferred embodiment, the battery pack further includes a fuse disposed on a line between the battery module and the electronic control module.

For example, the fuse is arranged on a positive circuit connected with each electronic control module and the battery module, and when any electronic control module is in short circuit or other faults, the fuse is fused to break a closed loop between the electronic control module and the battery module, so that the safety of the battery module and the electronic control module is effectively protected.

In a preferred embodiment, as shown in fig. 2, the Battery pack further includes a Battery Management System (BMS) module 21 disposed in the third spatial region, the BMS module 21 being connected to a vehicle control unit 22 of the vehicle.

For example, the BMS module 21 may be connected to the vehicle controller 22 through a CAN bus. The BMS module 21 is internally provided with a sensor, an alarm and the like for monitoring operation data of the battery module 20 located in the third space region 3, such as temperature, voltage, current and the like, and transmitting the monitored operation data to the vehicle control unit 22 through the CAN bus, so as to realize real-time management and control, fault early warning and diagnosis of the battery module 20.

In a preferred embodiment, the battery pack further comprises a cooling module disposed in the housing, and the cooling module is connected to a heat dissipation member located outside the battery pack through a cooling pipe.

For example, when the battery pack works normally, the battery module and the electronic control module generate a large amount of heat, which causes the temperature in the battery pack case to rise, and the normal work of the battery module and each electronic control module is affected by an excessively high temperature. Therefore, the utility model discloses battery package has arranged cooling module at its casing internally, and it is used for reducing the temperature in the battery package. Taking fig. 2 as an example, since the dc conversion module and the battery module generate a large amount of heat during normal operation, a first cooling module 51 and a second cooling module 52 are disposed in the battery pack, the first cooling module 51 is disposed in the dc conversion module 30a in the first space region 1 for cooling thereof, and the second cooling module 52 is disposed in the battery module 20 in the third space region 3 for cooling the battery module 20. The first cooling module 51 and the second cooling module 52 are connected together by a cooling line to an external radiator 53. The specific working process is as follows: the cooling water in the radiator 53 driven by the cooling water pump of the vehicle enters the cooling water channel in the direct current conversion module 30a and the battery module 20 through the cooling water inlet pipe 54, the cooling water flows through the cooling water channel in the direct current conversion module 30a and the battery module 20 and then flows back to the radiator 53 through the cooling water return pipe 55, and the cooling fan 56 can automatically adjust the rotating speed according to the temperature of the cooling water monitored by the water temperature sensor, so that the heat dissipation efficiency of the radiator 53 is improved. The expansion tank 57 is used for storing cooling water when the volume of cooling water increases due to an increase in the temperature of the cooling water in the cooling pipe. And on the other hand, the cooling water is used for supplying cooling water to the cooling module when the cooling water is leaked. The embodiment of the utility model provides an in, direct current conversion module and battery module can share cooling water pump and partial cooling pipeline, are favorable to simplifying and shorten the length of the cooling pipeline in the front engine room, and then reduce whole car cost. In addition, it should be noted that the above is only a preferred example, and a person skilled in the art may arrange the corresponding cooling module according to actual needs, so as to perform cooling processing on the electronic control module, and ensure safe and effective operation of the electronic control module.

Correspondingly, the embodiment of the utility model provides a still provide a vehicle, the vehicle includes above-mentioned embodiment the battery package.

To sum up, the utility model discloses a battery package has following advantage:

1) Each electric control module is integrated in the device, which is beneficial to the centralized control and management of the electric control modules;

2) The space of the front cabin and the rear cabin of the vehicle is effectively saved;

3) The length of a high-voltage wire connected between the battery module and the electric control module and between the electric control module and a vehicle part is shortened, the assembly efficiency is improved, and the development cost is saved;

4) The weight of the whole vehicle is reduced, and the load distribution of the front shaft and the rear shaft of the vehicle is balanced.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A battery pack, characterized in that the battery pack is arranged below a vehicle body floor of a vehicle between a front drive shaft and a rear drive shaft of the vehicle, and the battery pack includes:

a housing; and

the battery module and the plurality of electronic control modules are arranged in the shell;

a first space region, a second space region and a third space region are divided in the shell, the first space region is close to the front driving shaft, the second space region is close to the rear driving shaft, and the third space region is located between the first space region and the second space region;

the plurality of electronic control modules are arranged in the first space region and/or the second space region, the battery module is arranged in the third space region, and the battery module is connected with the plurality of electronic control modules through lines in the shell.

2. The battery pack of claim 1, wherein the plurality of electronic control modules comprises:

the direct current conversion module, the front air conditioner control module and the front motor driving module are arranged in the first space region;

a rear motor drive module and a rear air conditioner control module disposed in the second spatial region; and

a discharging module and a slow charging module disposed in the first spatial region or the second spatial region.

3. The battery pack according to claim 1, wherein the housing comprises a lower housing and an upper housing that are adapted to each other, and the lower housing is provided with a plurality of protruding beams that are adapted to mount the respective electronic control modules.

4. The battery pack of claim 3, wherein the plurality of raised beams are arranged in parallel.

5. The battery pack of claim 1, wherein service ports are disposed on the housing for maintenance and service of the individual electronic control modules.

6. The battery pack according to claim 1, further comprising an insulating separator disposed between the battery module and the electronic control module.

7. The battery pack according to claim 1, further comprising a fuse disposed on a line between the battery module and the electronic control module.

8. The battery pack of claim 1, further comprising a battery management system disposed within the third spatial region, the battery management system being connected with a vehicle control unit of the vehicle.

9. The battery pack according to any one of claims 1 to 8, further comprising a cooling module disposed within the housing, and the cooling module is connected to a heat sink member located outside the battery pack through a cooling pipe.

10. A vehicle, characterized in that it comprises a battery pack according to any one of the preceding claims 1-9.

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