CN213242723U - Power battery system and car - Google Patents

Power battery system and car Download PDF

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Publication number
CN213242723U
CN213242723U CN202022390830.3U CN202022390830U CN213242723U CN 213242723 U CN213242723 U CN 213242723U CN 202022390830 U CN202022390830 U CN 202022390830U CN 213242723 U CN213242723 U CN 213242723U
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China
Prior art keywords
power battery
battery system
assembly
liquid cooling
shell
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CN202022390830.3U
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Chinese (zh)
Inventor
曾维权
黄红光
吴启泉
华超
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Gac Aion New Energy Vehicle Co ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN202022390830.3U priority Critical patent/CN213242723U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a power battery system, including controller assembly and power battery assembly, the controller assembly includes: first casing, be used for carrying on the high-voltage box of high-voltage distribution and be used for carrying on the BMS of power battery management, high-voltage box and BMS install respectively in first casing, and the power battery assembly includes: the first shell is arranged outside the second shell, and the controller assembly and the power battery assembly are connected through a connecting wire harness. The utility model also discloses an automobile. Implement the utility model discloses a power battery system and car optimizes power battery system's structure, promotes integrated level and platform commonality.

Description

Power battery system and car
Technical Field
The utility model relates to an automobile manufacturing field especially relates to a power battery system and car.
Background
In the prior art, a power battery system of a new energy automobile is a core component of the new energy automobile, but because the floor areas of all automobile types are different in space, the power battery system is limited by factors such as large size, irregular shape and the like, cannot be changed and compatible in the length direction and the width direction, and has low internal integration level, so that space waste is large, and the whole power battery system is large in size and poor in compatibility.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a power battery system and car are provided, optimize power battery system's structure, promote whole integrated level and platform commonality.
In order to solve the technical problem, an embodiment of the utility model provides a power battery system, including controller assembly and power battery assembly, the controller assembly includes: first casing, be used for carrying on the high-voltage box of high-voltage distribution and be used for carrying on the BMS of power battery management, high-voltage box and BMS install respectively in first casing, and the power battery assembly includes: the power battery assembly comprises a second shell and a plurality of battery modules arranged in the second shell, and is characterized in that the first shell is arranged outside the second shell, and the controller assembly and the power battery assembly are connected through a connecting wire harness.
The connecting wire harness comprises a high-voltage connecting wire harness and a low-voltage connecting wire harness, wherein the high-voltage connecting wire harness provides high-voltage connection for the controller assembly and the power battery assembly respectively, and the low-voltage connecting wire harness provides low-voltage connection for the controller assembly and the power battery assembly respectively.
Wherein, power battery assembly still includes: establish the liquid cooling board in the second casing, the liquid cooling board integration is in the bottom of a plurality of battery module.
Wherein, power battery assembly still includes: the liquid cooling pipeline for transmitting the cooling liquid is provided with a liquid cooling head on the second shell, wherein: the liquid cooling pipeline is connected with the liquid cooling plate through a clamp or a joint, and the liquid cooling pipeline is communicated to the outside of the second shell through a liquid cooling head.
Wherein, power battery assembly still includes: and the heat insulation layer is arranged between the plurality of battery modules and the second shell.
Wherein, power battery assembly still includes: high-pressure copper tablet for carrying out high-pressure transmission and the low pressure sampling pencil that is used for carrying out sampling signal transmission, wherein: and each battery module is connected with the low-voltage sampling wire harness through a high-voltage copper plate.
Wherein, the whole length or the whole width of a plurality of battery module sets for adjustable.
Wherein, the sealed assembly of casing of two upper and lower structure looks adaptations forms by first casing, and the sealed assembly of casing of two upper and lower structure looks adaptations forms by the second casing, wherein: the lower shell of the first shell is formed by die casting of metal materials, stamping and welding of metal plates, tailor welding of extruded profiles or injection molding of composite materials.
In order to solve the technical problem, the utility model also provides an automobile including above-mentioned power battery system.
The first shell of the power battery system is assembled in a front engine room of an automobile or at the bottom of an automobile body, and the second shell is assembled in a chassis part of the automobile.
The utility model provides a power battery system and car has following beneficial effect: the power battery system includes: controller assembly and power battery assembly, the controller assembly includes: first casing, be used for carrying on the high-voltage box of high-voltage distribution and be used for carrying on the BMS of power battery management, high-voltage box and BMS install respectively in first casing, and the power battery assembly includes: the power battery assembly comprises a second shell and a plurality of battery modules arranged in the second shell, wherein the first shell is arranged outside the second shell, the controller assembly and the power battery assembly are connected through a connecting wire harness, a high-voltage box with large waste space and a BMS (battery management system) are independently discharged to form the controller assembly, and the power battery assembly is only integrated with the modules, so that the design space of the power battery is reduced, the structure of the power battery system is optimized, and the integration level and the platform universality are improved.
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 these drawings without creative efforts.
Fig. 1 is the utility model discloses power battery system's blasting structure sketch map.
Fig. 2 is a schematic diagram of a top view structure of a power battery system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.
Fig. 1-2 show a first embodiment of a power battery system according to the present invention.
The power battery system in this embodiment can be applied to a vehicle body of an automobile, for example: part of the structure is arranged at the front cabin or the bottom of the automobile body of the automobile, and part of the structure is arranged at the automobile chassis, so that the flexible arrangement can be carried out according to the space condition of each automobile type during implementation.
The power battery system in the embodiment comprises a controller assembly 1 and a power battery assembly 3, wherein the controller assembly 1 comprises: first casing, be used for carrying out the high-voltage box 12 of high voltage distribution and be used for carrying out power battery management's BMS13, high-voltage box 12 and BMS13 are installed respectively in first casing, and power battery assembly 3 includes: the controller assembly 1 and the power battery assembly 3 are connected through a connecting wire harness.
The controller assembly 1 is in a box shape and is independent of the power battery assembly 3, and the controller assembly 1 is used for controlling the power battery assembly 3.
In specific implementation, the controller assembly 1 may be disposed in a front cabin of the automobile or at the bottom of the automobile body, or may be disposed on the automobile chassis together with the power battery assembly 3.
Further, the first housing is formed by hermetically assembling two housings with matched structures, namely a lower housing 11a and an upper housing 11 b.
The lower housing 11a is a hollow accommodating structure with an opening, and can be formed by die casting of metal materials, stamping and welding of metal plates, tailor welding of extruded profiles, or injection molding of composite materials. The upper case 11b is in a cover plate shape, is made of metal or non-metal material, and has a sealing function. The upper housing 11b can be hermetically fitted at the open end of the lower housing 11a, achieving the functions of the first housing providing device installation and sealing the accommodation space. In other embodiments, the first housing may have a hollow receiving space structure of other general shapes as long as it is sufficient that the high voltage cartridge 12 and the BMS13 can be assembled therein.
The high-voltage box 12 is a high-voltage power distribution unit of the power battery system and integrates various high-voltage components of the power battery system. BMS13 is a power battery management system. In this embodiment, the high voltage blocks 12 and the BMS13 are fixed to the controller assembly lower case 11a by bolts. The upper case 11b is fixed to the lower case 11a by bolts or by gluing, forming the controller assembly 1.
The high voltage box 12 and the BMS13 are assembled in the first housing independently of the power cell assembly 3 to function as: the power battery assembly 3 does not integrate the high-voltage box 12 and the BMS13, so that when the high-voltage box 12 and the BMS13 with higher failure rate have failures, the whole power battery system does not need to be disassembled and repaired, and the sealing performance and the maintenance efficiency of the power battery system are improved.
The connection harness between the controller assembly 1 and the power battery assembly 3 includes: a high voltage connection harness 21 providing a high voltage connection for the controller assembly 1 and the power battery assembly 3, respectively, and a low voltage connection harness 22 providing a low voltage connection for the controller assembly 1 and the power battery assembly 3, respectively.
Further, the power battery assembly 3 includes: the second casing and install the components and parts in the second casing.
The second casing is a box, and in this embodiment, the second casing is formed by hermetically assembling two casings with matching structures, namely a lower casing 31a of the power battery assembly and an upper casing 31b of the power battery assembly.
The lower power battery assembly housing 31a is a hollow housing structure with an opening that provides mounting and sealing for a plurality of components. The upper shell 31b of the power battery assembly is in a cover plate shape, is made of metal or non-metal materials and has a sealing function. The upper power battery assembly housing 31b can be hermetically assembled at the open end of the lower power battery assembly housing 31a, and the second housing can provide the functions of mounting devices and sealing the accommodating space, for example, by bolts or adhesive fixation. In other embodiments, the second housing may also be a hollow accommodating space structure with other common shapes, as long as it is sufficient to assemble components and provide a seal inside the second housing.
Further, the components mounted in the second housing include: a plurality of battery module 32, liquid cooling pipeline 33, high pressure copper tablet 34 and low pressure sampling pencil 35.
In specific implementation, the battery module 32 is provided with four battery cells having the same shape and structure in this embodiment, and is transversely arranged as shown in the figure, and is fixed on the lower casing 31a of the power battery assembly through bolts. It is understood that, in other embodiments, the number of battery cells of the battery module 32, the shape structure of each battery module, and the arrangement order of the battery modules may be adjusted according to actual situations.
Further, the integrated liquid cooling board that has in battery module 32 bottom, the quantity that the liquid cooling board set up and the quantity one-to-one of battery module 32, through integrated liquid cooling board, make the shape regularization of power battery assembly, make battery module 32 can design the regulation in length and width direction.
Further, the liquid cooling lines 33 function as: and the liquid cooling plate integrated with the bottom of each battery module is connected to form a liquid cooling loop which is responsible for the transmission of cooling liquid. In this embodiment, the liquid cooling pipeline 33 is connected to the liquid cooling plate integrated under the battery module 32 through a clamp or a joint, and then connected to the liquid cooling head on the lower housing 31a of the power battery assembly to the outside of the second housing.
Further, between each battery module is connected to high-pressure copper tablet 34 and low pressure sampling pencil 35, the function of high-pressure copper tablet 34 is: is a high-voltage connecting part between modules and is responsible for high-voltage transmission. The low voltage sampling line 35 functions to transmit the respective sampling signals.
Preferably, a thermal insulation layer 36 is arranged between the plurality of battery modules 32 and the second housing, and the thermal insulation layer 36 functions as: the liquid cooling plate is integrated below the battery module 32, and a heat insulation layer is additionally arranged between the battery module 32 and the lower shell 31a of the power battery assembly, so that the problem of poor heat insulation performance of the power battery system is solved. In specific implementation, the thermal insulation layer 36 is fixed on the lower shell 31a of the power battery assembly by bonding or fastening.
The utility model discloses a power battery system is when concrete implementation, as shown in fig. 2, first casing setting is in the outside of second casing, on the one hand with high-pressure box and BMS independently come out and arrange, has reduced power battery assembly 3's volume, on the other hand also makes power battery assembly 3's shape more regularization, and can design the regulation at length and width direction.
For example: the battery module is adjusted in the Y direction as shown in the figure so as to adjust the width of the power battery system in an adjustable mode, and the dotted line M at the top end of the figure is the position of the adjusted width of the battery system. The adjustment of the length and the electric quantity of the power battery system can be achieved by increasing and reducing the modules in the length direction of the power battery system, the dotted line N at the right end of the diagram is the position of the adjusted length of the battery system in the X direction shown in figure 2, and the universality of the power battery system is greatly improved by the adjusting mode.
In addition, when the power battery system in the embodiment is applied to the body of an automobile, the controller assembly 1 which is independent from the power battery assembly 3 can be installed on the chassis together, or the controller assembly 1 is directly integrated in the front cabin, and can also be flexibly arranged according to the space conditions of various automobile types.
Implement the utility model discloses a power battery system and car has following beneficial effect:
first, first casing setting is in the outside of second casing, connects through connecting the pencil between controller assembly and the power battery assembly, will waste the great high-pressure box in space and independent come out with the BMS becomes the controller assembly, and the power battery assembly only integrates the module, reduces power battery's design space from this. The vehicle-mounted intelligent control system has high compatibility, can be universally used for various platform vehicle types, and has the advantages of flexible arrangement, reliable integration and the like.
Secondly, when higher high-pressure box of fault rate and BMS broke down, need not to tear open the lid to whole power battery system and overhaul to promote the leakproofness of power battery system and the efficiency of maintenance.
And thirdly, the liquid cooling plate is integrated at the bottom of the battery module, and a heat insulation layer is additionally arranged between the battery module and the lower shell of the power battery, so that the heat insulation performance of the power battery is improved.
Fourthly, the development period and the cost are further effectively shortened, and the product competitiveness is improved.

Claims (10)

1. A power battery system comprising a controller assembly and a power battery assembly, the controller assembly comprising: first casing, be used for carrying on the high-voltage box of high voltage distribution and be used for carrying on the BMS of power battery management, high-voltage box with BMS installs respectively in the first casing, the power battery assembly includes: a second case and a plurality of battery modules mounted in the second case,
the first shell is arranged outside the second shell, and the controller assembly and the power battery assembly are connected through a connecting wire harness.
2. The power battery system of claim 1, wherein the connection harness comprises a high voltage connection harness that provides a high voltage connection for the controller assembly and the power battery assembly, respectively, and a low voltage connection harness that provides a low voltage connection for the controller assembly and the power battery assembly, respectively.
3. The power battery system of claim 1 or 2, wherein the power battery assembly further comprises: establish the liquid cooling board in the second casing, the integration of liquid cooling board is in the bottom of a plurality of battery module.
4. The power battery system of claim 3, wherein the power battery assembly further comprises: a liquid cooling pipeline for transmitting the coolant, be equipped with the liquid cooling head on the second casing, wherein:
the liquid cooling pipeline is connected with the liquid cooling plate through a hoop or a joint, and the liquid cooling pipeline is communicated to the outside of the second shell through a liquid cooling head.
5. The power battery system of claim 1 or 2, wherein the power battery assembly further comprises: and the heat insulation layer is arranged between the plurality of battery modules and the second shell.
6. The power battery system of claim 1 or 2, wherein the power battery assembly further comprises: high-pressure copper tablet for carrying out high-pressure transmission and the low pressure sampling pencil that is used for carrying out sampling signal transmission, wherein: and each battery module is connected with the low-voltage sampling wire harness through the high-voltage copper plate.
7. The power battery system of claim 1, wherein an overall length or an overall width of the plurality of battery modules is set to be adjustable.
8. The power battery system of claim 1, wherein the first housing is assembled by sealing an upper housing and a lower housing, and the second housing is assembled by sealing an upper housing and a lower housing, wherein:
the lower shell of the first shell is formed by die casting of metal materials, stamping and welding of metal plates, tailor welding of extruded profiles or injection molding of composite materials.
9. An automobile comprising a power battery system, characterized in that the power battery system comprises a power battery system according to any one of claims 1-8.
10. The vehicle of claim 9, wherein the first housing is mounted to a front compartment or underbody of the vehicle and the second housing is mounted to a chassis portion of the vehicle.
CN202022390830.3U 2020-10-23 2020-10-23 Power battery system and car Active CN213242723U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022390830.3U CN213242723U (en) 2020-10-23 2020-10-23 Power battery system and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022390830.3U CN213242723U (en) 2020-10-23 2020-10-23 Power battery system and car

Publications (1)

Publication Number Publication Date
CN213242723U true CN213242723U (en) 2021-05-18

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CN202022390830.3U Active CN213242723U (en) 2020-10-23 2020-10-23 Power battery system and car

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CN (1) CN213242723U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113488734A (en) * 2021-06-04 2021-10-08 天津市捷威动力工业有限公司 Power battery pack system assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113488734A (en) * 2021-06-04 2021-10-08 天津市捷威动力工业有限公司 Power battery pack system assembly

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220106

Address after: 511434 No. 36, Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province

Patentee after: GAC AION New Energy Vehicle Co.,Ltd.

Address before: 23rd floor, Chengyue building, No. 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou City, Guangdong Province 510030

Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd.

TR01 Transfer of patent right