CN212934708U - Sampling assembly, battery module and battery pack - Google Patents
Sampling assembly, battery module and battery pack Download PDFInfo
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- CN212934708U CN212934708U CN202021264283.8U CN202021264283U CN212934708U CN 212934708 U CN212934708 U CN 212934708U CN 202021264283 U CN202021264283 U CN 202021264283U CN 212934708 U CN212934708 U CN 212934708U
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- insulating support
- battery
- sampling
- head
- information collector
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of batteries, in particular to a sampling component, a battery module and a battery pack, wherein the sampling component comprises an insulating bracket, a battery information collector, a sampling terminal, a plurality of signal acquisition lines, a plurality of single battery connecting sheets and a plurality of crimping connectors, the plurality of signal acquisition lines are integrated in the insulating bracket, the battery information collector is arranged on the insulating bracket, the first end of the pressure joint is fixed in the insulating bracket, the connecting sheet between the single batteries is arranged outside the insulating bracket, the second end of the crimping head is fixed on the connecting sheet between the single batteries, the first end of the signal acquisition line is connected on the crimping head, the second end of the signal acquisition line is connected on the first end of the sampling terminal, and the second end of the sampling terminal is connected on the battery information collector. The sampling assembly omits an FPC in the prior art, and can save cost on the premise of low space occupancy rate.
Description
Technical Field
The utility model belongs to the technical field of the battery, especially, relate to a sampling subassembly, battery module and battery package.
Background
In the prior art, the signal acquisition of battery module or battery package adopts FPC (flexible circuit board) or traditional pencil mode more, generally, can set up insulating support at the top of battery cell, then FPC or traditional pencil are placed on insulating support, and insulating support can play insulating and supporting's effect to FPC or traditional pencil, is connected the connection piece between sampling terminal through FPC or traditional pencil and battery cell and samples.
The signal acquisition of the battery module or the battery pack by adopting the FPC is lower than the space occupancy rate of the traditional wiring harness, but the cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to adopting FPC to carry out signal acquisition to battery module or battery package, the higher problem of cost provides a sampling subassembly, battery module and battery package.
In order to solve the technical problem, on the one hand, the embodiment of the utility model provides a sampling assembly, connection piece and a plurality of crimping head between insulating support, battery information collector, sampling terminal, many signal acquisition lines, a plurality of battery cells, many the signal acquisition line is integrated in the insulating support, battery information collector sets up on the insulating support, the first end of crimping head is fixed in the insulating support, the connection piece sets up between the battery cells insulating support's outside, the second end of crimping head is fixed on the connection piece between the battery cells, the first end of signal acquisition line is connected on the crimping head, the second end of signal acquisition line is connected the first end of sampling terminal, the second end of sampling terminal is connected on the battery information collector.
Optionally, the sampling assembly further includes a signal output connector, and the signal output connector is connected to the battery information collector and is used for connecting the battery information collector with a battery management system.
Optionally, the insulating support is a plastic support, and the signal acquisition lines and the crimping heads are integrally molded with the insulating support.
Optionally, the signal collection line is an aluminum wire or a copper wire.
Optionally, the crimping head comprises a first head part, a second head part and a connecting column connected between the first head part and the second head part, a first end surface is formed at a position of the first head part, which is intersected with the connecting column, and a second end surface is formed at a position of the second head part, which is intersected with the connecting column, and the areas of the first end surface and the second end surface are both larger than the cross-sectional area of the connecting column;
the first head part has a smaller and smaller cross-sectional area facing away from the connecting column from the first end surface, and the second head part has a smaller and smaller cross-sectional area facing away from the connecting column from the second end surface; the connecting column is characterized in that part of the section of the connecting column and the first head are embedded in the insulating support, the first end of the signal acquisition line is wound on the section of the connecting column embedded in the insulating support, and the second head penetrates out of a mounting hole formed in the connecting sheet between the single batteries so as to fix the connecting sheet between the single batteries on the insulating support.
Optionally, the first surface of the insulating support has a flat surface extending along the length direction of the insulating support, and the battery information collector is formed by etching a circuit on the flat surface.
Optionally, the flat surface is located in the middle of the insulating support in the width direction, and the plurality of inter-cell connecting pieces are distributed on two sides of the flat surface.
Optionally, the first end of sampling terminal includes a plurality of input stitches, the second end of sampling terminal includes with a plurality of the input stitch corresponds a plurality of output stitches of being connected, the input stitch insert in the insulating support and with the second end of signal acquisition line is connected, the output stitch is connected on the battery information collector.
According to the utility model discloses sampling subassembly, many the signal acquisition line is integrated in the insulating support, saved FPC among the prior art, under the prerequisite that realizes that space occupancy is low, can save the cost. In addition, the connecting sheet between the single batteries is arranged outside the insulating support, and the conventional connecting sheet is adopted, so that the traditional connecting sheet is not required to be changed, the structure is simple, the assembly is time-saving, and the cost is further reduced.
On the other hand, the embodiment of the utility model provides a battery module, including foretell sampling subassembly.
In another aspect, an embodiment of the present invention provides a battery pack, including the above-mentioned sampling assembly or the above-mentioned battery module.
Drawings
Fig. 1 is a schematic diagram of a signal collection line of a sampling assembly according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a sampling assembly according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a sampling terminal of a sampling assembly according to an embodiment of the present invention;
fig. 4 is a schematic diagram of the sampling assembly according to an embodiment of the present invention with the connection sheet between the single batteries removed.
The reference numerals in the specification are as follows:
1. an insulating support; 11. flattening the surface; 2. a battery information collector; 3. a sampling terminal; 31. an input pin; 32. an output pin; 4. a signal acquisition line; 5. connecting sheets among the single batteries; 6. a crimping head; 7. and a signal output connector.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, a sampling assembly provided by an embodiment of the present invention includes an insulating support 1, a battery information collector 2, a sampling terminal 3, a plurality of signal collecting lines 4, a plurality of inter-cell connecting sheets 5, and a plurality of crimping connectors 6, wherein the plurality of signal collecting lines 4 are integrated in the insulating support 1, the battery information collector 2 is arranged on the insulating bracket 1, the first end of the pressure joint 6 is fixed in the insulating bracket 1, the single battery connecting sheet 5 is arranged outside the insulating bracket 1, the second end of the pressure joint 6 is fixed on the single battery connecting sheet 5, the first end of the signal acquisition line 4 is connected to the crimping connector 6, the second end of the signal acquisition line 4 is connected to the first end of the sampling terminal 3, and the second end of the sampling terminal 3 is connected to the battery information collector 2.
The first end and the second end of the sampling terminal 3 may be extensions of the signal collecting line or may be independent of the signal collecting line. The sampling terminal 3 collects signals of a plurality of signal collecting lines and transmits the signals to the battery information collector 2.
In an embodiment, the sampling assembly further includes a signal output connector 7, and the signal output connector 7 is connected to the battery information collector 2, and is used for connecting the battery information collector 2 with a battery management system. The battery management system is typically disposed within a battery pack.
The sampling terminal 3 can be fixed on the insulating support 1 by adopting a buckling mode, an adhesion mode and the like.
In an embodiment, the insulating support 1 is a plastic support, and the plurality of signal acquisition lines 4 and the plurality of crimping heads 6 are integrally injection-molded with the insulating support 1. The signal acquisition line 4 is a metal wire such as an aluminum wire or a copper wire.
In one embodiment, the crimping head 6 includes a first head, a second head and a connecting column connected between the first head and the second head, a position of the first head intersecting the connecting column forms a first end surface, a position of the second head intersecting the connecting column forms a second end surface, and an area of the first end surface and an area of the second end surface are both larger than a cross-sectional area of the connecting column. The first head part has a smaller and smaller cross-sectional area facing away from the connecting column from the first end surface, and the second head part has a smaller and smaller cross-sectional area facing away from the connecting column from the second end surface; the first head is fixed in the insulating support 1, and the second head penetrates through a mounting hole formed in the single battery inter-connecting sheet 5 so as to fix the single battery inter-connecting sheet 5 on the insulating support 1. The connecting sheet 5 and the pressing joint 6 are in interference fit between the single batteries, and the X-direction displacement, the Y-direction displacement and the Z-direction displacement of the connecting sheet 5 between the single batteries are limited.
In one embodiment, the first surface of the insulating support 1 has a flat surface 11 extending along the length direction of the insulating support 1 (the length direction of the insulating support 1 is the stacking direction of the unit cells), and the battery information collector 2(BIC board) is formed by etching a circuit on the flat surface 11. The sampling terminal 3 is positioned outside the first end of the battery information collector 2, and the signal output connector 7 covers the second end of the battery information collector 2. The insulating support 1 is used as a bearing object for bearing signal elements in the battery information collector 2, and the signal connection in the battery information collector 2 directly acts on the insulating support 1, so that the signal collection function of the battery information collector 2 is realized. In such a way, the occupied space is small, an additional PCB is not needed to bear the signal elements in the battery information collector 2, and the cost is lower.
In one embodiment, the flat surface 11 is located at a middle position in the width direction of the insulating support 1, and the plurality of inter-cell connecting pieces 5 are distributed on both sides of the flat surface 11.
In one embodiment, as shown in fig. 3, the first end of the sampling terminal 3 includes a plurality of input pins 31, the second end of the sampling terminal 3 includes a plurality of output pins 32 correspondingly connected to the plurality of input pins 31, the input pins 31 are inserted into the insulating support 1 and connected to the second end of the signal collecting line 4, and the output pins 32 are connected to the battery information collector 2. The number of input pins 31 and output pins 32 corresponds to the number of signal collection lines 4.
In one embodiment, the input pin 31 is welded to the second end of the signal collecting line 4, and the output pin 32 is welded to the battery information collector 2.
According to the utility model discloses sampling subassembly, many the signal acquisition line is integrated in the insulating support, saved FPC among the prior art, under the prerequisite that realizes that space occupancy is low, can save the cost. In addition, the connecting sheet between the single batteries is arranged outside the insulating support, and the conventional connecting sheet is adopted, so that the traditional connecting sheet is not required to be changed, the structure is simple, the assembly is time-saving, and the cost is further reduced.
Additionally, the embodiment of the utility model provides a still provide a battery module, its sampling subassembly that includes battery array and above-mentioned embodiment, the sampling subassembly is located one side of battery array, battery array is including a plurality of battery cells of arranging in proper order, connect through the connection piece between the battery cell.
Additionally, the embodiment of the utility model provides a still provide a battery package, its battery module that includes the sampling subassembly of above-mentioned embodiment or above-mentioned embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a sampling assembly, its characterized in that, includes connection piece and a plurality of crimping head between insulating support, battery information collector, sampling terminal, many signal acquisition line, a plurality of battery cells, many the signal acquisition line is integrated in the insulating support, battery information collector sets up on the insulating support, the first end of crimping head is fixed in the insulating support, the connection piece sets up between the battery cell the outside of insulating support, the second end of crimping head is fixed on the connection piece between the battery cell, the first end of signal acquisition line is connected on the crimping head, the second end of signal acquisition line is connected the first end of sampling terminal, the second end of sampling terminal is connected on the battery information collector.
2. The sampling assembly of claim 1, further comprising a signal output connector connected to the battery information collector for connecting the battery information collector with a battery management system.
3. The sampling assembly of claim 1, wherein the insulating support is a plastic support, and the plurality of signal acquisition lines and the plurality of crimp heads are integrally injection molded with the insulating support.
4. The sampling assembly of claim 1, wherein the signal collection wire is an aluminum or copper wire.
5. The sampling assembly of claim 1, wherein the crimp head comprises a first head portion, a second head portion, and a connecting post connected between the first head portion and the second head portion, wherein a position of the first head portion intersecting the connecting post forms a first end surface, wherein a position of the second head portion intersecting the connecting post forms a second end surface, and wherein an area of the first end surface and an area of the second end surface are both greater than a cross-sectional area of the connecting post;
the first head part has a smaller and smaller cross-sectional area facing away from the connecting column from the first end surface, and the second head part has a smaller and smaller cross-sectional area facing away from the connecting column from the second end surface; the connecting column is characterized in that part of the section of the connecting column and the first head are embedded in the insulating support, the first end of the signal acquisition line is wound on the section of the connecting column embedded in the insulating support, and the second head penetrates out of a mounting hole formed in the connecting sheet between the single batteries so as to fix the connecting sheet between the single batteries on the insulating support.
6. The sampling assembly of claim 5, wherein the first surface of the insulating support has a flat surface extending along a length of the insulating support, and the battery information collector is formed by etching a circuit in the flat surface.
7. The sampling assembly of claim 6, wherein the flat surface is located at a middle position in a width direction of the insulating support, and the plurality of inter-cell connection tabs are distributed on both sides of the flat surface.
8. The sampling assembly of claim 1, wherein the first end of the sampling terminal comprises a plurality of input pins, the second end of the sampling terminal comprises a plurality of output pins correspondingly connected with the plurality of input pins, the input pins are inserted into the insulating support and connected with the second end of the signal collection wire, and the output pins are connected with the battery information collector.
9. A battery module comprising the sampling assembly of any one of claims 1-8.
10. A battery pack comprising the sampling assembly according to any one of claims 1 to 8 or the battery module according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264283.8U CN212934708U (en) | 2020-07-01 | 2020-07-01 | Sampling assembly, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264283.8U CN212934708U (en) | 2020-07-01 | 2020-07-01 | Sampling assembly, battery module and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN212934708U true CN212934708U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021264283.8U Active CN212934708U (en) | 2020-07-01 | 2020-07-01 | Sampling assembly, battery module and battery pack |
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| CN (1) | CN212934708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710873A (en) * | 2022-04-11 | 2022-07-05 | 惠州市鼎丰泰科技有限公司 | Flexible circuit welding area reinforcing structure |
-
2020
- 2020-07-01 CN CN202021264283.8U patent/CN212934708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710873A (en) * | 2022-04-11 | 2022-07-05 | 惠州市鼎丰泰科技有限公司 | Flexible circuit welding area reinforcing structure |
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