CN213636206U - Integrated apron of lithium ion battery module - Google Patents
Integrated apron of lithium ion battery module Download PDFInfo
- Publication number
- CN213636206U CN213636206U CN202022169391.3U CN202022169391U CN213636206U CN 213636206 U CN213636206 U CN 213636206U CN 202022169391 U CN202022169391 U CN 202022169391U CN 213636206 U CN213636206 U CN 213636206U
- Authority
- CN
- China
- Prior art keywords
- wire harness
- cover plate
- battery module
- integrated cover
- negative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- 239000000178 monomer Substances 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 claims description 35
- 230000000149 penetrating effect Effects 0.000 claims 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model provides an integrated cover plate of a lithium ion battery module, which comprises an integrated cover plate, an insulating top cover, a plurality of pairs of wire harness groups and a test meter; the insulating top cover is arranged at the top end of the integrated cover plate, each pair of wire harnesses comprises a positive wire harness and a negative wire harness, one ends of the positive wire harness and the negative wire harness are connected with the test meter, and the other ends of the positive wire harness and the negative wire harness sequentially penetrate through the insulating top cover and the integrated cover plate; the test meter is connected with a data transmission line. The utility model discloses a set up test meter, pencil group, real-time supervision battery module is with a string of voltage of parallelly connected battery monomer, judge whether the module integration apron has the rosin joint according to the uniformity; monitoring the internal resistance of all the battery monomers of the module, and judging whether all the battery monomers in the module are normal or not according to the consistency; based on two points above, the utility model discloses can real-time supervision battery module health, avoid the potential safety hazard.
Description
Technical Field
The utility model relates to a lithium ion battery technical field especially relates to an integrated apron of lithium ion battery module.
Background
The lithium ion battery monomer forms the battery module through certain series-parallel connection mode, and the battery pack is formed by the battery module in certain arrangement mode, so that the health state of the battery monomer directly influences the health state of the module, and finally influences the normal driving of the whole vehicle. At present, the battery module basically adopts the laser welding technology to connect the aluminum bar of the integrated cover plate to the pole of the battery, although the laser welding technology is advanced and reliable, the aluminum bar can be subjected to insufficient welding (namely the aluminum bar is loose and is not tightly connected with the pole of the battery) due to various reasons, so that the undervoltage fault is caused. In the production and manufacturing process, the battery module is subjected to cold joint due to unreasonable setting of welding parameters, excessive environmental dust and non-strict control of production quality. Meanwhile, when the electric automobile is in use, the battery module is continuously charged and discharged, the welding part of the aluminum bar of the cover plate is high in heating due to large resistance, vibration along with different road conditions finally causes the aluminum bar to be loose, the battery monomer at the insufficient welding part cannot be normally charged and discharged, and an under-voltage fault is shown.
At present, temperature and voltage monitoring elements are arranged on the integrated cover plate of the battery module, so that the change of the temperature and the voltage of the battery can be monitored in real time. However, the monitoring elements are basically arranged on the aluminum row of the integrated cover plate, and the monitoring data reflect the health state of each string of the module, but not all the battery cells.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem who exists among the background art, the utility model provides an integrated apron of lithium ion battery module.
The utility model provides an integrated cover plate of a lithium ion battery module, which comprises an integrated cover plate, an insulating top cover, a plurality of pairs of wire harness groups and a test meter; the insulating top cover is arranged at the top end of the integrated cover plate, each pair of wire harnesses comprises a positive wire harness and a negative wire harness, one ends of the positive wire harness and the negative wire harness are connected with the test meter, and the other ends of the positive wire harness and the negative wire harness sequentially penetrate through the insulating top cover and the integrated cover plate; the test meter is connected with a data transmission line.
Preferably, integrated apron is close to insulating top cap one side and installs a plurality of aluminium row groups side by side, and every aluminium row group is including anodal aluminium row and negative pole aluminium row.
Preferably, the number of the aluminum row groups is the same as that of the wire harness groups, the aluminum row groups are arranged in one-to-one correspondence with the wire harness groups, the positive wire harness penetrates through the positive aluminum row and then penetrates through the integrated cover plate, the position, close to the positive aluminum row, of the positive wire harness is wrapped with the insulating film, the negative wire harness penetrates through the negative aluminum row and then penetrates through the integrated cover plate, and the position, close to the negative aluminum row, of the negative wire harness is wrapped with the insulating film.
Preferably, the number of the bundle groups is 12 pairs.
Preferably, the insulating top cover is provided with a temperature and voltage monitoring element.
The utility model also provides a lithium ion battery module, include the casing and install a plurality of battery monomer in the casing, still include the integrated apron of above-mentioned lithium ion battery module, the quantity of pencil group is unanimous with the free quantity of battery and a plurality of pencil groups set up with a plurality of battery monomer one-to-ones respectively, and the anodal pencil of pencil group, negative pole pencil are connected rather than the free anodal post of battery, the negative pole post that correspond respectively.
The utility model provides a lithium ion battery module integration cover plate, through setting up test meter, pencil group, real-time supervision battery module is with a string of the voltage of parallelly connected battery monomer, judge whether the module integration cover plate has the rosin joint according to the uniformity; monitoring the internal resistance of all the battery monomers of the module, and judging whether all the battery monomers in the module are normal or not according to the consistency; based on two points above, the utility model discloses can real-time supervision battery module health, avoid the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of an integrated cover plate of a lithium ion battery module according to the present invention.
Detailed Description
Referring to fig. 1, the utility model provides an integrated cover plate of a lithium ion battery module, which comprises an integrated cover plate 1, insulating top covers 2, 12, a pair of wire harness groups and a test meter 3; wherein:
insulating top cap 2 sets up on 1 top of integrated apron, installs the temperature voltage monitoring component on insulating top cap 2, temperature, the voltage value of each cluster of temperature voltage monitoring component monitoring module. The integrated apron 1 is close to insulating top cap 2 one side and installs 12 aluminium row groups side by side, and every aluminium row group is including anodal aluminium row 6 and negative pole aluminium row 7.
Every to pencil includes anodal pencil 4 and negative pole pencil 5, 12 to the pencil group respectively with 12 aluminium gang group one-to-one settings, anodal pencil 4, 5 one end of negative pole pencil all are connected with test table 3, the anodal pencil 4 other end passes integrated apron 1 again after passing anodal aluminium gang 6 and anodal pencil 4 is close to 6 position parcels of anodal aluminium gang has the insulating film, 5 other ends of negative pole pencil pass integrated apron 1 again after 7 of negative pole aluminium gang and negative pole pencil 5 is close to 7 position parcels of negative pole aluminium gang has the insulating film.
The test meter 3 is connected with a data transmission line 9.
The utility model also provides a lithium ion battery module, include casing 8 and install 12 battery monomers in casing 8, still include the integrated apron of above-mentioned lithium ion battery module, 12 pencil groups set up with 12 battery monomer one-to-one respectively, and the anodal pencil 4 of pencil group, negative pole pencil 5 are connected rather than the free anodal post of battery, the negative pole post that correspond respectively.
The utility model discloses at the battery charge-discharge in-process, collect each free voltage data of battery in the battery module in real time through test meter 3 and pencil group, if each battery monomer voltage inconsistent of same cluster parallel, judge as the integrated apron rosin joint of module. When the battery is shelved in power failure, the test meter can be switched to resistance measurement, so that consistency judgment and service life judgment are carried out, if a certain battery has high internal resistance and is abnormal, an alarm can be given in advance to replace a new battery module, and potential safety hazards are avoided. The utility model discloses can independently monitor all battery monomer's of constituteing the module voltage, internal resistance.
The utility model discloses the test table is through 12 free voltage of 12 battery, internal resistance values of real-time supervision collection of pencil group to transmit every free voltage of battery, the internal resistance value of gathering in real time for BMS analysis processes through data transmission line 9. The arrangement of 12 wire harness groups can be designed in various ways, for example, the wire harnesses are buried between the insulating top cover 2 and the integrated cover plate 1, all the wire harnesses are gathered to the central position of the integrated cover plate 1 and led out from the upper part of the end plate of the battery module, the wire harnesses can also be buried above the insulating top cover 2 and led out from the upper part of the side plate of the shell 8, and the like. Meanwhile, the test meter can also select corresponding installation positions, such as the upper part, the end face, the side face and the like of the module according to different arrangement modes of the wire harness groups.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The integrated cover plate of the lithium ion battery module is characterized by comprising an integrated cover plate (1), an insulating top cover (2), a plurality of pairs of wire harness groups and a test meter (3); the insulating top cover (2) is arranged at the top end of the integrated cover plate (1), each pair of wire harnesses comprises a positive wire harness (4) and a negative wire harness (5), one ends of the positive wire harness (4) and the negative wire harness (5) are connected with the test meter (3), and the other ends of the positive wire harness (4) and the negative wire harness (5) sequentially penetrate through the insulating top cover (2) and the integrated cover plate (1); the test meter (3) is connected with a data transmission line.
2. The integrated cover plate of the lithium ion battery module according to claim 1, wherein a plurality of aluminum row groups are arranged on one side of the integrated cover plate (1) close to the insulating top cover (2) side by side, and each aluminum row group comprises a positive aluminum row (6) and a negative aluminum row (7).
3. The integrated cover plate of the lithium ion battery module according to claim 2, wherein the number of the aluminum row groups is the same as that of the wire harness groups, the aluminum row groups are respectively arranged corresponding to the wire harness groups, the positive wire harness (4) penetrates through the integrated cover plate (1) after penetrating through the positive aluminum row (6), the position of the positive wire harness (4) close to the positive aluminum row (6) is wrapped with an insulating film, the negative wire harness (5) penetrates through the integrated cover plate (1) after penetrating through the negative aluminum row (7), and the position of the negative wire harness (5) close to the negative aluminum row (7) is wrapped with an insulating film.
4. The integrated cover plate of a lithium ion battery module according to any one of claims 1 to 3, wherein the number of the wire harness groups is 12 pairs.
5. The integrated cover plate of a lithium ion battery module according to any one of claims 1 to 3, characterized in that a temperature and voltage monitoring element is mounted on the insulating top cover (2).
6. A lithium ion battery module comprises a shell (8) and a plurality of battery monomers (9) installed in the shell (8), and is characterized by further comprising the integrated cover plate of the lithium ion battery module as claimed in any one of claims 1 to 5, wherein the number of the wire harness groups is consistent with that of the battery monomers (9), the plurality of wire harness groups are respectively arranged in one-to-one correspondence with the plurality of battery monomers (9), and the positive pole wire harness (4) and the negative pole wire harness (5) of each wire harness group are respectively connected with the positive pole column and the negative pole column of the corresponding battery monomer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169391.3U CN213636206U (en) | 2020-09-28 | 2020-09-28 | Integrated apron of lithium ion battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022169391.3U CN213636206U (en) | 2020-09-28 | 2020-09-28 | Integrated apron of lithium ion battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213636206U true CN213636206U (en) | 2021-07-06 |
Family
ID=76656557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022169391.3U Active CN213636206U (en) | 2020-09-28 | 2020-09-28 | Integrated apron of lithium ion battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213636206U (en) |
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2020
- 2020-09-28 CN CN202022169391.3U patent/CN213636206U/en active Active
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