CN211980823U - Signal sampling device of battery module - Google Patents
Signal sampling device of battery module Download PDFInfo
- Publication number
- CN211980823U CN211980823U CN202020651614.7U CN202020651614U CN211980823U CN 211980823 U CN211980823 U CN 211980823U CN 202020651614 U CN202020651614 U CN 202020651614U CN 211980823 U CN211980823 U CN 211980823U
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- sampling
- battery module
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- branch cable
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- 238000005070 sampling Methods 0.000 title claims abstract description 95
- 238000003825 pressing Methods 0.000 claims description 28
- 238000003466 welding Methods 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a signal sampling device of a battery module, which comprises a main cable, wherein the main cable is composed of a plurality of branch cables arranged in parallel, and each branch cable comprises at least one wire; the connecting plug-in is used for being connected with an external circuit, and the first ends of the branch cables are connected with the connecting plug-in; the sampling terminal comprises a joint part and a sampling part, the second end of the branch cable is pressed on the joint part, the sampling part is used for being connected with the battery module and sampling, and the sampling part is connected with the joint part; and the joint part and the second end of the branch cable are respectively embedded at two ends of the double-wall pipe. The device sets up the sampling terminal through the tip at a plurality of branch cables to on collecting a plurality of branch cables and connecting plug-in components, it has space utilization height, simple process and simple to operate's characteristics.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a signal sampling device of battery module.
Background
At present, power batteries are widely applied to vehicles such as automobiles, bicycles, ships and the like. In order to meet the corresponding requirements of power and cruising ability of vehicles, the power battery needs to meet the technical requirements of high power and large capacity. Therefore, the power battery generally adopts a mode of assembling a plurality of battery monomers into a battery module. In the battery module having such a structure, when some of the battery cells are subjected to overvoltage, overcurrent, or overheat, the safety of the entire battery module is affected, and thus, it is necessary to detect and control the technical problem of overvoltage, overcurrent, or overheat. In general, a temperature sensor and a voltage sampling terminal are provided at a position of a battery module to be detected, and are connected to each other through an FPC (flexible printed circuit). In the mode, the FPC needs to be subjected to die sinking and cutting into a certain shape so as to be matched with each detection point, and then installation, welding and the like are carried out. The method has complex process and higher cost. In addition, in order to meet the requirement of large capacity of the power battery, the space requirement on the battery module and the installation accessories is very high.
Therefore, a sampling device for detecting voltage and temperature of a battery module is needed, which has the characteristics of high space utilization rate, simple process and convenience in installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a signal sampling device of battery module, it has simple process, simple to operate and space utilization high characteristics.
To achieve the purpose, the utility model adopts the following technical proposal:
the signal sampling device of a battery module that provides includes:
the cable comprises a main cable, a branch cable and a cable core, wherein the main cable is composed of a plurality of branch cables arranged in parallel, and each branch cable comprises at least one conducting wire;
the connecting plug-in is used for being electrically connected with an external circuit, and the first ends of the branch cables are connected with the connecting plug-in;
the sampling terminal comprises a joint part and a sampling part, the second end of the branch cable is in pressure joint with the joint part, the sampling part is used for being connected with the battery module and sampling, and the sampling part is connected with the joint part; and the number of the first and second groups,
and the joint part and the second end of the branch cable are respectively embedded at two ends of the double-wall pipe.
Further, the main cable is a flexible flat cable.
Furthermore, the sampling terminals are distributed on two sides of the main cable in the length direction at intervals.
Furthermore, one end of the joint part, which is far away from the sampling part, is provided with a first pressing plate, the first pressing plate is in compression joint with the second end of the branch cable, one end of the joint part, which is close to the sampling part, is provided with a second pressing plate, and the second pressing plate is in compression joint with the wire at the second end of the branch cable, so that the branch cable is electrically connected with the second pressing plate.
Furthermore, the number of the first pressing plates is at least two, and the at least two first pressing plates are distributed on two sides of the branch cable in the length direction in a staggered mode.
Furthermore, a plurality of sharp parts are arranged on the compression joint surface of the second pressure plate, and at least part of the sharp parts penetrate through the insulating layer of the branch cable and are connected with the conducting wires of the branch cable.
Further, the sampling portion includes voltage sampling portion and temperature sampling portion, the one end of voltage sampling portion with corresponding the joint portion is connected, the other end of voltage sampling portion is used for being connected with the battery module electricity, the one end of temperature sampling portion with corresponding the joint portion is connected, the other end of temperature sampling portion is provided with temperature sensor.
Further, the voltage sampling portion is provided with a welding panel, and the welding panel is used for being electrically connected with the battery module.
Further, the temperature sensor is a water drop head epoxy encapsulation temperature sensor.
Further, still include the adhesive linkage, the main cable passes through the adhesive linkage is fixed on battery module.
The utility model discloses compare in prior art's beneficial effect:
the utility model discloses a signal sampling device of battery module sets up the sampling terminal through the tip at a plurality of cables to on collecting a plurality of cables and connecting the plug-in components, it has space utilization height, simple process and simple to operate's characteristics.
Drawings
Fig. 1 is a structural diagram of a signal sampling device of a battery module according to the present embodiment.
Fig. 2 is a structural diagram of the sampling terminal of the present embodiment.
In the figure:
1. a main cable; 10. a branch cable; 2. a sampling terminal; 21. a joint portion; 210. a first platen; 211. a second platen; 22. a sampling section; 220. welding the panel; 3. and connecting the plug-in.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
As shown in fig. 1-2, the utility model provides a pair of signal sampling device of battery module, including main cable 1, connect plug-in components 3, sampling terminal 2 and double-walled pipe, main cable 1 comprises a plurality of branch cables 10 that set up side by side, branch cable 10 includes an at least wire, it is used for being connected with external circuit electricity to connect plug-in components 3, a plurality of first ends of branch cables 10 all with be connected plug-in components 3 and be connected, sampling terminal 2 includes joint portion 21 and sampling portion 22, the second end crimping of branch cable 10 is on joint portion 21, sampling portion 22 is used for being connected and sampling with the battery module, sampling portion 22 is connected with joint portion 21, the second end of joint portion 21 and branch cable 10 inlays respectively and locates the both ends of double-walled pipe. In this embodiment, the sampling unit 22 is used to connect with a detection point of the battery module, and detect a temperature value and a voltage value of the battery module. The connector 3 functions to connect to an external circuit, and a plurality of branch cables 10 are connected to a control circuit after being collected by the connector 3. The double-wall pipe has the effects of insulation, corrosion prevention, water prevention and sealing, the inner layer of the double-wall pipe is made of thermosol materials, the double-wall pipe is arranged at the joint of the joint part 21 and the branch cable 10, the exposed lead and conductor parts at the joint can be protected, and the reliability of the joint is improved. The branch cable 10 is composed of at least one conductive wire, and an insulating layer is wrapped outside the conductive wire. The branch cable 10 can be matched with a corresponding length according to the position of the detection point, and can be bent into a corresponding shape according to the space structure of the battery module, so that the space utilization rate is high. The sampling terminal 2 is arranged at the end part of the branch cables 10, and the branch cables 10 are collected on the connecting plug-in unit 3, so that the sampling device has the characteristics of high space utilization rate, simple process and convenience in installation.
Specifically, the double-walled pipe sample is heat-shrunk to encapsulate the crimping position of the joint part 21 and the branch cable 10.
In one embodiment, the main cable 1 is preferably made of FFC (flexible flat cable). The FFC is formed by laminating a PET insulating material and an extremely thin tinned flat copper wire, has the characteristics of softness, thin thickness, small volume and random bending and folding, and is favorable for improving the space utilization rate. In this embodiment, the FFC is stripped to form the branch cable 10, the adhesive film layer on the outer side of the lead is windowed at both ends of the branch cable 10, and the exposed lead is crimped with the connector 21. The method has simple process and convenient operation.
Specifically, an adhesive tape is disposed at a bent portion of the branch cable 10, and the bent portion is bonded and fixed.
Specifically, the sampling terminals 2 are distributed at intervals on both sides in the longitudinal direction of the main cable 1. In this embodiment, the sampling terminals 2 are located at two sides of the main cable 1 in the length direction, and the sampling terminals 2 located at one side and the sampling terminals 2 located at the other side are distributed in a staggered manner. During installation, the intersection of the branch cable 10 and the main cable 1 is bent, so that the second end of the branch cable 10 and the length direction of the main cable 1 form an included angle. This structure is favorable to making the position dispersion of sampling terminal 2, mutual interference when avoiding the installation. The multi-position multi-direction sampling of the battery module can be realized.
Specifically, a first pressing plate 210 is arranged at one end of the connector 21 away from the sampling part 22, the first pressing plate 210 is in pressure contact with the second end of the branch cable 10, a second pressing plate 211 is arranged at one end of the connector 21 close to the sampling part 22, the second pressing plate 211 is in pressure contact with the conducting wire at the second end of the branch cable 10, and the branch cable 10 is electrically connected with the second pressing plate 211. In this embodiment, the second end of the branch cable 10 is windowed, that is, the conducting wire at the second end of the branch cable 10 is exposed for a certain length. The bare wires are crimped with the second crimp 211 to make an electrical connection between the second crimp 211 and the branch cable 10. The part of the branch cable 10, which is not windowed at the second end of the branch cable 10, is crimped with the first pressure plate 210, so as to strengthen the connection strength between the branch cable 10 and the joint part 21 and avoid the connection part of the branch cable 10 and the joint part 21 from being pulled apart in use.
Specifically, the second pressing plate 211 has a plurality of spikes disposed on a pressing surface thereof, and at least a portion of the spikes passes through the insulating layer of the branch cable 10 and is connected to the wires of the branch cable 10. In this embodiment, the plurality of spikes are spaced apart from one side of the second pressure plate 211 facing the branch cable 10. When the second presser plate 211 is pressed against the second end of the branch cable 10, the spike portion penetrates through the insulation layer of the periphery of the conductor and abuts against the conductor, so that the second presser plate 211 is electrically connected to the branch cable 10. The spike part in the structure penetrates through the insulating layer to play a corresponding fixing role, so that the connection strength between the joint part 21 and the branch cable 10 can be further improved.
Specifically, the number of the first pressing plates 210 is two or more, and the first pressing plates 210 are distributed at two sides of the extension direction of the branch cable 10 in a staggered manner. It can be appreciated that the provision of two or more first pressing plates 210 is advantageous to increase the connection surface between the branch cables 10 and the first pressing plates 210, and to improve the connection strength.
Specifically, the sampling part 22 includes a voltage sampling part and a temperature sampling part, one end of the voltage sampling part is connected with the corresponding joint part 21, the other end of the voltage sampling part is used for being electrically connected with the battery module, one end of the temperature sampling part is connected with the corresponding joint part 21, and the other end of the temperature sampling part is provided with a temperature sensor. It can be understood that the sampling part 22 is used for sampling the temperature and the voltage of the battery module, and the voltage sampling part and the temperature sampling part are installed on the corresponding joint part 21 to realize the voltage data acquisition and the temperature data acquisition. In this embodiment, the temperature sensor is a water droplet head epoxy encapsulated temperature sensor.
Specifically, the voltage sampling part is provided with a welding panel 220, and the welding panel 220 is used to electrically connect with the battery module. In this embodiment, the welding panel 220 is welded on the battery module, so that the detected position of the battery module is electrically connected to the welding panel 220.
Specifically, the signal sampling device of the battery module further comprises an adhesive layer, and the main cable 1 is fixed on the battery module through the adhesive layer. In this embodiment, the adhesive layer is a double-sided tape.
The remarkable effects of the embodiment are as follows: the sampling terminal 2 is arranged at the end part of the branch cables 10, and the branch cables 10 are collected on the connecting plug-in unit 3, so that the sampling device has the characteristics of high space utilization rate, simple process and convenience in installation. Meanwhile, the first pressing plate 210 and the second pressing plate 211 are provided on the joint part 21, so that the connection strength between the branch cable 10 and the joint part 21 is improved.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A signal sampling device of battery module characterized in that includes:
the cable comprises a main cable, a branch cable and a cable core, wherein the main cable is composed of a plurality of branch cables arranged in parallel, and each branch cable comprises at least one conducting wire;
the connecting plug-in is used for being electrically connected with an external circuit, and the first ends of the branch cables are connected with the connecting plug-in;
the sampling terminal comprises a joint part and a sampling part, the second end of the branch cable is in pressure joint with the joint part, the sampling part is used for being connected with the battery module and sampling, and the sampling part is connected with the joint part; and the number of the first and second groups,
and the joint part and the second end of the branch cable are respectively embedded at two ends of the double-wall pipe.
2. The signal sampling device of the battery module according to claim 1, wherein the main cable is a flexible flat cable.
3. The signal sampling device of the battery module according to claim 1, wherein the sampling terminals are spaced apart from each other on both sides of the main cable in the length direction.
4. The signal sampling device of the battery module according to claim 1, wherein a first pressing plate is disposed at an end of the connector portion away from the sampling portion, the first pressing plate is in pressure contact with the second end of the branch cable, a second pressing plate is disposed at an end of the connector portion close to the sampling portion, the second pressing plate is in pressure contact with the conductive wire at the second end of the branch cable, and the branch cable is electrically connected to the second pressing plate.
5. The signal sampling device of the battery module according to claim 4, wherein the number of the first pressing plates is at least two, and at least two of the first pressing plates are distributed on two sides of the branch cable in the length direction in a staggered manner.
6. The signal sampling device of the battery module according to claim 4, wherein a plurality of spikes are provided on the crimping surface of the second pressing plate, and at least a part of the spikes penetrate through the insulating layer of the branch cable and are connected with the lead of the branch cable.
7. The signal sampling device of the battery module according to claim 1, wherein the sampling part comprises a voltage sampling part and a temperature sampling part, one end of the voltage sampling part is connected with the corresponding joint part, the other end of the voltage sampling part is used for being electrically connected with the battery module, one end of the temperature sampling part is connected with the corresponding joint part, and the other end of the temperature sampling part is provided with a temperature sensor.
8. The signal sampling device of a battery module according to claim 7, wherein the voltage sampling part is provided with a welding panel for electrical connection with the battery module.
9. The signal sampling device of the battery module as set forth in claim 7, wherein the temperature sensor is a water drop head epoxy encapsulated temperature sensor.
10. The signal sampling device of the battery module according to claim 1, further comprising an adhesive layer through which the main cable is fixed to the battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020651614.7U CN211980823U (en) | 2020-04-26 | 2020-04-26 | Signal sampling device of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020651614.7U CN211980823U (en) | 2020-04-26 | 2020-04-26 | Signal sampling device of battery module |
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| Publication Number | Publication Date |
|---|---|
| CN211980823U true CN211980823U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020651614.7U Active CN211980823U (en) | 2020-04-26 | 2020-04-26 | Signal sampling device of battery module |
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| CN (1) | CN211980823U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599937A (en) * | 2020-12-15 | 2021-04-02 | 湖北亿纬动力有限公司 | Battery collection method and battery collection system |
| CN113092835A (en) * | 2021-04-01 | 2021-07-09 | 东莞市晟合科技有限公司 | Detection connecting line and manufacturing method thereof |
| CN113708020A (en) * | 2021-08-24 | 2021-11-26 | 湖北亿纬动力有限公司 | Vibration reduction method for tab welding and clamping tool |
| CN114069061A (en) * | 2020-08-05 | 2022-02-18 | 上海汽车集团股份有限公司 | Vehicle, battery module and sampling equipment for battery module |
| WO2022115995A1 (en) * | 2020-12-01 | 2022-06-09 | 东莞新能安科技有限公司 | Interconnection member, battery pack and electrical device |
| WO2023108570A1 (en) * | 2021-12-16 | 2023-06-22 | 宁德时代新能源科技股份有限公司 | Battery and manufacturing method therefor, and electric device |
-
2020
- 2020-04-26 CN CN202020651614.7U patent/CN211980823U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069061A (en) * | 2020-08-05 | 2022-02-18 | 上海汽车集团股份有限公司 | Vehicle, battery module and sampling equipment for battery module |
| WO2022115995A1 (en) * | 2020-12-01 | 2022-06-09 | 东莞新能安科技有限公司 | Interconnection member, battery pack and electrical device |
| CN112599937A (en) * | 2020-12-15 | 2021-04-02 | 湖北亿纬动力有限公司 | Battery collection method and battery collection system |
| CN112599937B (en) * | 2020-12-15 | 2023-10-31 | 湖北亿纬动力有限公司 | Battery collection method and battery collection system |
| CN113092835A (en) * | 2021-04-01 | 2021-07-09 | 东莞市晟合科技有限公司 | Detection connecting line and manufacturing method thereof |
| CN113708020A (en) * | 2021-08-24 | 2021-11-26 | 湖北亿纬动力有限公司 | Vibration reduction method for tab welding and clamping tool |
| CN113708020B (en) * | 2021-08-24 | 2023-05-05 | 湖北亿纬动力有限公司 | Vibration reduction method for tab welding and clamping tool |
| WO2023108570A1 (en) * | 2021-12-16 | 2023-06-22 | 宁德时代新能源科技股份有限公司 | Battery and manufacturing method therefor, and electric device |
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