CN219017864U - Power battery module and battery package convenient to installation - Google Patents

Power battery module and battery package convenient to installation Download PDF

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Publication number
CN219017864U
CN219017864U CN202223561580.0U CN202223561580U CN219017864U CN 219017864 U CN219017864 U CN 219017864U CN 202223561580 U CN202223561580 U CN 202223561580U CN 219017864 U CN219017864 U CN 219017864U
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Prior art keywords
battery module
sampling
power battery
module
sampling connector
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CN202223561580.0U
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唐湘波
马钊
杨大春
韩岭
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Guangzhou Juwan Technology Research Co ltd
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Guangzhou Juwan Technology Research Co ltd
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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

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Abstract

The utility model discloses a power battery module and a battery pack convenient to mount, wherein the power battery module comprises a battery module shell, at least one electric core group accommodated in the battery module shell and an in-module FPC arranged on the inner side of the bottom of the battery module shell; the battery module comprises a battery module body, wherein a sampling connector is arranged on the battery module body, a sampling connector male end is arranged on the battery module body, a sampling connector female end matched with the sampling connector male end is arranged on the sampling FPC outside the battery module body, a hole for the sampling connector female end to pass through is formed in a battery module shell right below the sampling connector male end, the sampling connector male end and the sampling connector female end form a sampling connector when being inserted, and the signal transmission is carried out between the sampling connector male end and the sampling connector female end in the module body through the sampling connector. The utility model carries out signal transmission through the up-and-down connection and matching of the male end and the female end of the sampling connector, and is easy to operate and realize automation.

Description

Power battery module and battery package convenient to installation
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a power battery module and a battery pack convenient to install.
Background
The acquisition of signals such as voltage, temperature and the like of the battery cell of the power battery is important to ensure the safe and normal operation of the power battery pack; nowadays, FPC (flexible printed circuit) is mostly used to collect signals such as voltage and temperature of a battery. As shown in fig. 2, the top of the battery core is provided with sampling terminals from the anode and the cathode by laser welding, the FPC in the module is arranged on the inner side of the top of the module shell, the sampling terminals are converged on the FPC in the module, and sampling signals such as voltage, temperature and the like are obtained; one end of the FPC in the module is provided with a male end of the sampling connector, the sampling wire harness is provided with a female end of the sampling connector, the sampling wire harnesses on the modules are converged, and after the male end and the female end of the sampling connector are oppositely inserted, sampling signals are transmitted out through the wire harness. However, with this sampling design, the male and female ends of the sampling connector are difficult to plug and cannot be produced automatically.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provides a power battery module and a battery pack which are convenient to install.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a power battery module convenient to install comprises a battery module shell, at least one electric core group accommodated in the battery module shell and an in-module FPC arranged on the inner side of the bottom of the battery module shell;
the battery module comprises a power battery module, a battery module shell, a sampling connector, a power battery module, a battery module shell and a power battery module, wherein the power battery module is characterized in that the sampling connector is provided with a male end of the sampling connector, a female end of the sampling connector is matched with the male end of the sampling connector, the sampling connector is arranged on the sampling FPC outside the power battery module, a hole for the female end of the sampling connector to pass through is formed in the battery module shell right below the male end of the sampling connector, and the sampling connector is formed when the male end and the female end of the sampling connector are oppositely inserted, and the signal transmission is carried out between the sampling connector and the sampling FPC in the module.
Preferably, the female end of the sampling connector is specifically a sampling pin, which forms an angle of 90 degrees with the sampling FPC and is perpendicular to the bottom surface of the battery pack outer shell.
Preferably, the male end of the sampling connector is specifically a jack.
Preferably, the battery module also comprises positive and negative lugs of the module, which are symmetrically arranged at two ends of the battery module shell.
The utility model also comprises a power battery pack, which comprises a battery pack outer shell, a plurality of power battery modules, copper bars and fastening bolts, wherein the plurality of power battery modules are accommodated in the battery pack outer shell;
the positive and negative lugs of the power battery module are symmetrically arranged at two ends of the outer side of the bottom of the battery module shell, and screw holes are formed in the positive and negative lugs of the module;
two fastening bolts are fixedly arranged on each copper bar, penetrate through the positive and negative lugs of the module respectively, and are matched with nuts to be connected and fixed with two adjacent power battery modules.
Preferably, the copper bar is fixedly arranged at the bottom of the battery pack outer shell.
Preferably, the battery pack also comprises an insulating heat conduction pad arranged between the copper bar and the bottom of the battery pack outer shell.
Preferably, the sampling FPC is fixedly arranged at the bottom of the battery pack outer shell.
Preferably, the power battery module is further provided with a through hole for fixing, the bottom of the battery pack outer shell is provided with a corresponding bolt extending upwards, and the bolt penetrates through the through hole and is matched with the nut to fix the power battery module on the bottom surface of the battery pack outer shell.
Preferably, the bottom of the battery pack is also provided with a liquid cooling plate.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the power battery module provided by the utility model, the male end of the sampling connector is arranged on the FPC in the module at the bottom of the battery module shell, the male end and the female end of the sampling connector form the sampling connector when being inserted up and down, the FPC in the module and the sampling FPC are subjected to signal transmission through the sampling connector, and the up and down connection is easy to operate and realize automation; the battery pack provided by the utility model is formed by connecting the provided power battery module with the lugs through the copper bars, and is easy to assemble and operate and realize automation.
2. In the preferred scheme, the copper bar is arranged at the bottom of the battery pack outer shell, the insulating heat conducting pad is arranged between the copper bar and the bottom of the battery pack outer shell, and the liquid cooling plate is arranged at the bottom of the battery pack, so that heat can be conveniently dissipated to the outside through the shell, the problem that the copper bar is positioned above the module, and the copper bar heats when overcurrent, and the heat can only be naturally dissipated into the air in the battery pack is solved; meanwhile, the copper bars are directly fixed at the bottom of the shell of the battery pack, so that the problem of poor stability of fixing adjacent modules by long copper bars when the space between the modules is large is solved.
3. In the preferred scheme, the sampling FPC is fixedly arranged at the bottom of the battery pack outer shell, so that the problem that the sampling wire harness is also required to be fixed is avoided.
Drawings
FIG. 1 is a diagram showing the connection relationship between two power battery modules in a battery pack according to an embodiment;
FIG. 2 is a schematic diagram of a prior art power battery module;
fig. 3 is a bottom view and a top view (the upper half is a bottom view, and the lower half is a top view) of the battery pack in the embodiment in which two power battery modules are connected;
reference numerals illustrate: 1-sampling FPC; 2-an insulating thermal pad; 3-copper bars; 4-FPC in the module; 5-sampling the female end of the connector; 6-fastening bolts; 7-sampling the male end of the connector; 8-module positive and negative lugs; 9-power battery module.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
Example 1
As shown in fig. 1 and 3, a power battery module convenient to install comprises a battery module shell, at least one electric core group accommodated in the battery module shell and an in-module FPC4 arranged on the inner side of the bottom of the battery module shell;
the inner FPC of the module is provided with a male end 7 of the sampling connector, a female end 5 of the sampling connector matched with the male end of the sampling connector is arranged on a sampling FPC1 outside the power battery module, and a hole for the female end of the sampling connector to pass through is formed in a battery module shell right below the male end of the sampling connector; the female end of the sampling connector is specifically a sampling pin which forms a 90-degree angle with the sampling FPC and is perpendicular to the bottom surface of the battery pack outer shell; the male end of the sampling connector is specifically a jack; the sampling pin and the jack form a sampling connector when being inserted, and the FPC and the sampling FPC in the module carry out signal transmission through the sampling connector.
The power battery module further comprises module positive and negative electrode lugs 8 which are symmetrically arranged at two ends of the outer side of the bottom of the battery module shell, and screw holes are formed in the module positive and negative electrode lugs.
Example 2
A power battery pack comprising a battery pack outer shell, a plurality of power battery modules 9 as described in embodiment 1 accommodated in the battery pack outer shell, copper bars 3, fastening bolts 6 and an insulating heat conducting pad 2;
the sampling FPC outside the power battery module is fixedly arranged at the bottom of the battery pack outer shell;
the bottom of the battery pack is provided with a liquid cooling plate, and when the liquid cooling plate is arranged, fixed components such as fastening bolts and the like are avoided;
the copper bar is fixedly arranged at the bottom of the battery pack outer shell, and the insulating heat conducting pad is arranged between the copper bar and the bottom of the battery pack outer shell; two fastening bolts are fixedly arranged on each copper bar, penetrate through the positive and negative lugs of the module respectively, and are matched with nuts to be connected and fixed with two adjacent power battery modules.
The power battery module is also provided with a through hole for fixing, the bottom of the battery pack outer shell is provided with a corresponding bolt which extends upwards, and the bolt penetrates through the through hole and is matched with the nut to fix the power battery module on the bottom surface of the battery pack outer shell.
When the power battery module is assembled into a battery pack, the copper bars and the FPC are not required to be installed in a manual intervention mode, the male end of the sampling connector is aligned with the female end of the sampling connector, the screw holes of the positive and negative lugs of the module are aligned with the fastening bolts on the copper bars, the through holes are aligned with the bolts, the battery module is put down and compacted, the positive and negative lugs of the module and the copper bars are penetrated together by the bolts while the battery module falls on the bottom surface of the outer shell of the battery pack, the male end of the sampling connector and the female end of the sampling connector are inserted in an opposite mode, and therefore, the high-voltage current loop is connected, and the FPC in the module is connected with the sampling FPC in the battery pack to carry out signal transmission. The mechanical arm of the production line picks up the nuts, and the bolts are fastened, so that good connection between the positive and negative lugs of the module and the copper bars and fixation of the module can be completed; the copper bar is directly fixed at the bottom of the battery pack outer shell, the insulating heat conducting pad is arranged between the copper bar and the bottom of the battery pack outer shell, so that heat can be dissipated to the outside through the outer shell, the problem that the copper bar is positioned above the module, the copper bar generates heat when in overcurrent, the heat can only be naturally dissipated into the air in the battery pack, and the problem that the stability of the adjacent modules is poor when the distance between the modules is large is solved by using the long copper bar; moreover, sampling FPC sets firmly in battery package shell bottom, has avoided sampling pencil also to need fixed problem.
It should also be noted that in this specification, terms such as "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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The power battery module is characterized by comprising a battery module shell, at least one electric core group and an in-module FPC, wherein the at least one electric core group is accommodated in the battery module shell, and the in-module FPC is arranged at the inner side of the bottom of the battery module shell;
the battery module comprises a power battery module, a battery module shell, a sampling connector, a power battery module, a battery module shell and a power battery module, wherein the power battery module is characterized in that the sampling connector is provided with a male end of the sampling connector, a female end of the sampling connector is matched with the male end of the sampling connector, the sampling connector is arranged on the sampling FPC outside the power battery module, a hole for the female end of the sampling connector to pass through is formed in the battery module shell right below the male end of the sampling connector, and the sampling connector is formed when the male end and the female end of the sampling connector are oppositely inserted, and the signal transmission is carried out between the sampling connector and the sampling FPC in the module.
2. The power battery module of claim 1, wherein the sampling connector female end is a sampling pin which forms an angle of 90 degrees with the sampling FPC and is perpendicular to the bottom surface of the battery pack housing.
3. The power battery module of claim 1, wherein the male end of the sampling connector is a receptacle.
4. The power battery module of claim 1, further comprising module positive and negative tabs symmetrically disposed at two ends of the battery module housing.
5. A power battery pack, which is characterized by comprising a battery pack outer shell, a plurality of power battery modules, copper bars and fastening bolts, wherein the power battery modules, the copper bars and the fastening bolts are contained in the battery pack outer shell;
the positive and negative lugs of the power battery module are symmetrically arranged at two ends of the outer side of the bottom of the battery module shell, and screw holes are formed in the positive and negative lugs of the module;
two fastening bolts are fixedly arranged on each copper bar, penetrate through the positive and negative lugs of the module respectively, and are matched with nuts to be connected and fixed with two adjacent power battery modules.
6. The power battery pack of claim 5, wherein the copper bars are fixedly arranged at the bottom of the outer shell of the battery pack.
7. The power cell pack of claim 6, further comprising an insulating thermal pad disposed between the copper bar and the bottom of the outer shell of the pack.
8. The power battery pack according to claim 5, wherein the sampling FPC outside the power battery module is fixed to the bottom of the battery pack case.
9. The power battery pack according to claim 5, wherein the power battery module is further provided with a through hole for fixing, the bottom of the battery pack outer shell is provided with a corresponding bolt extending upwards, and the bolt penetrates through the through hole and is matched with the nut to fix the power battery module on the bottom surface of the battery pack outer shell.
10. The power battery pack according to claim 5, wherein the bottom of the battery pack is further provided with a liquid cooling plate.
CN202223561580.0U 2022-12-30 2022-12-30 Power battery module and battery package convenient to installation Active CN219017864U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223561580.0U CN219017864U (en) 2022-12-30 2022-12-30 Power battery module and battery package convenient to installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223561580.0U CN219017864U (en) 2022-12-30 2022-12-30 Power battery module and battery package convenient to installation

Publications (1)

Publication Number Publication Date
CN219017864U true CN219017864U (en) 2023-05-12

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ID=86243880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223561580.0U Active CN219017864U (en) 2022-12-30 2022-12-30 Power battery module and battery package convenient to installation

Country Status (1)

Country Link
CN (1) CN219017864U (en)

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