CN212934707U - Voltage and temperature acquisition device of many and many cluster laminate polymer battery module - Google Patents
Voltage and temperature acquisition device of many and many cluster laminate polymer battery module Download PDFInfo
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- CN212934707U CN212934707U CN202021436641.9U CN202021436641U CN212934707U CN 212934707 U CN212934707 U CN 212934707U CN 202021436641 U CN202021436641 U CN 202021436641U CN 212934707 U CN212934707 U CN 212934707U
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- soft package
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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
Abstract
The utility model provides a voltage and temperature acquisition device of a multi-parallel multi-string soft package battery module, which comprises a cover plate, a sampling copper bar, a FPC board, an outlet socket, an insulating groove plate, a temperature sensor, a reinforcing plate and a small cover plate, wherein the cover plate comprises an upper cover plate and two end plates; the sampling copper bar is respectively fixed on the two end plates and is used for connecting the positive and negative electrode lugs; the FPC board is connected to the two end plates and is connected with the sampling copper bar through a nickel sheet, and the outlet socket is connected to the FPC board and is connected with a lead of the FPC board; the insulating slot plate is fixedly connected to the end plate, and the outlet socket is arranged in the insulating slot plate; the temperature sensor is connected to the FPC board and is connected with the surface of the soft package battery cell below the upper cover plate; the small cover plate enables the temperature sensor to be attached to the soft-package battery core. The utility model provides a lead wire that the socket of being qualified for the next round of competitions on through the FPC board collects the voltage that the sampling copper bar gathered and the temperature sampling signal that temperature sensor gathered.
Description
Technical Field
The utility model belongs to the technical field of power battery, concretely relates to voltage and temperature acquisition device of many and many strings of laminate polymer battery module.
Background
With the development of new energy vehicles and the maturity of power batteries, the power batteries are developing towards the direction of higher energy density, smaller volume and higher power density, the development of soft package lithium batteries becomes a development trend of subsequent power batteries, and battery units formed by soft package batteries are more and more widely applied to electric vehicles as energy storage devices.
The power battery pack is used as the core of an electric vehicle energy system, and a battery management system must monitor the single voltage of the power battery and the temperature of the battery pack in real time, so that the problem caused by the failure of the single battery is avoided, and the safety and the reliability of the electric vehicle are ensured; in the conventional battery pack, the wiring harness of the battery pack voltage and temperature sampling lines occupies a large space, the space utilization rate is low, the volume energy density of the battery pack is reduced, the wiring harness of the battery pack voltage and temperature sampling lines is complex to arrange, and the wiring harness of the battery pack voltage and temperature sampling lines is complex to arrange and easy to intersect; and need carefully distinguish when the assembly, prolonged man-hour of installation, reduce work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a voltage and temperature acquisition device of many strings of laminate polymer battery module to overcome above-mentioned technical problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a voltage and temperature acquisition device of a multi-parallel multi-string soft package battery module comprises a plurality of soft package battery core groups connected in series, each soft package battery core group comprises a plurality of soft package battery cores connected in parallel, positive and negative electrode lugs of each soft package battery core group are arranged at two ends of each soft package battery core group, the voltage and temperature acquisition device comprises,
the cover plate comprises an upper cover plate and two end plates, wherein the upper cover plate is provided with a detection hole, and the end plates are provided with elongated slots for the penetration of the positive and negative lugs;
the sampling copper bars are respectively fixed on the two end plates and used for connecting the positive and negative electrode lugs;
the two ends of the FPC board are respectively connected to the two end plates and are connected with each sampling copper bar through nickel sheets, and the middle part of the FPC board is embedded in the upper cover plate;
the outlet socket is connected with one end of the FPC board and is connected with a lead on the FPC board;
the insulating groove plate is fixedly connected to one end plate, and the outlet socket is arranged in the insulating groove plate;
the temperature sensor is connected to the FPC, extends into the detection hole and is connected with the surface of the soft package battery cell;
and the small cover plate is mounted on the detection hole to enable the temperature sensor to be attached to the soft package battery core.
Furthermore, a long strip plate extending into the detection hole is formed in the middle of the FPC board, the temperature sensor is attached to the top end of the long strip plate, and the temperature sensor is connected with a lead on the FPC board.
Furthermore, reinforcing plates are arranged at the two ends of the FPC board and connected with the two end plates.
Furthermore, an embedding groove is formed in the upper cover plate, a boss is arranged in the embedding groove in the upper cover plate, and a positioning hole is correspondingly formed in the FPC plate corresponding to the boss.
Furthermore, the insulation frid is including connecting T type board on the end plate and the U type frame of connection on the vertical part of T type board, the socket of being qualified for the next round of competitions is located in the U type frame.
Furthermore, the sampling copper bar comprises a leading-out terminal sampling copper bar connected to one end plate and a positive and negative electrode sampling copper bar connected to the other end plate.
Has the advantages that: the outlet socket of the utility model collects the voltage collected by the sampling copper bar and the temperature sampling signal collected by the temperature sensor through the lead wire on the FPC board; high-low voltage separation is realized through the insulating slot plate, and signal interference is reduced; the pins of the temperature sensor are welded on the FPC board, connecting wires are omitted, and the problem that a wiring harness needs to be fixed is solved.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is an assembly structure view of the present invention;
in the figure: 1. a cover plate; 11. an upper cover plate; 12. an end plate; 13. a detection hole; 14. a long groove; 15. embedding holes; 16. a boss; 2. adopting a copper bar; 21. sampling a copper bar at a wire outlet end; 22. sampling copper bars of positive and negative electrodes; 3. an FPC board; 31. a strip plate; 32. positioning holes; 4. a nickel sheet; 5. an outlet socket; 6. an insulating slot plate; 7. a temperature sensor; 8. a small cover plate; 9. a reinforcing plate.
Detailed Description
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or structure referred to must have a particular orientation and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses in voltage and temperature acquisition device battery module of many parallel and many cluster soft-packaged battery module is including a plurality of soft-packaged battery core groups of establishing ties each other, and every soft-packaged battery core group is including a plurality of soft-packaged battery cores that connect in parallel, the positive negative pole ear of soft-packaged battery core arranges at its both ends, and the positive pole utmost point ear of a plurality of soft-packaged battery cores that connect in parallel together all is in same one side, and the negative pole utmost point ear all is in the opposite side of soft-packaged battery core to this forms a parallelly connected battery core group; the positive pole ear of a parallelly connected electric core group is connected on one of them sampling copper bar with the negative pole ear of the parallelly connected electric core group of the previous, and its negative pole ear is connected on another sampling copper bar with the positive pole ear of the parallelly connected electric core group of the next, forms the series connection between the parallelly connected electric core group from this.
As shown in figure 1 and figure 2, a many and many cluster laminate polymer battery's collection system include apron, sampling copper bar, FPC board, be qualified for the next round of competitions socket, insulating frid, temperature sensor, stiffening plate and little apron.
The cover plate comprises an upper cover plate and two end plates, the upper cover plate is provided with a detection hole, and the end plates are provided with elongated slots for the penetration of positive and negative lugs of the soft package battery cell; the sampling copper bar comprises a leading-out terminal sampling copper bar fixedly connected to the outer side surface of one end plate and a positive and negative electrode sampling copper bar fixedly connected to the outer side surface of the other end plate, after a plurality of soft package battery cells are stacked in parallel and series in sequence, a positive electrode tab of a group of parallel battery cell groups on the outermost side is reserved as a positive electrode of the battery module, and a negative electrode tab of a group of parallel battery cell groups on the outermost side of the battery module is reserved as a negative electrode of the battery module; from this leading-out terminal sampling copper bar is connected for the anodal utmost point ear of a set of parallelly connected electric core group and the negative pole utmost point ear of the next adjacent parallelly connected electric core group of next group, and from this battery module by anodal, its negative pole utmost point ear and the anodal utmost point ear of second electric core group pass through leading-out terminal sampling copper bar series connection and be in the same place, and the second electric core group negative pole adopts the copper bar series connection through positive negative pole and the anodal utmost point ear of third electric core group to be in the same place to analogize with this, and the negative pole utmost point ear of the last parallelly connected electric core group comes.
Wherein, the both ends of FPC board are connected on two end plates, be in simultaneously the both ends of FPC board all adopt the copper bar to be connected through a plurality of nickel pieces and leading-out terminal sampling copper bar and positive negative pole, wherein, the nickel piece is equipped with the department of bending, and nickel piece one end welding is integrated on the FPC board, and other end welding is on gathering the copper bar, and the portion of bending of nickel piece makes the nickel piece inseparabler with FPC board and the laminating of sampling copper bar, increases welding area, improves whole welding strength, makes to connect more firmly inseparable between FPC board, sampling copper bar and the soft-packaged electric core.
An embedding groove is formed in the upper cover plate, a boss is arranged in the embedding groove on the upper cover plate, and a positioning hole is correspondingly formed in the FPC board corresponding to the boss, so that the middle part of the FPC board is embedded in the upper cover plate; and a fuse is arranged on the circuit of the FPC board in an etching mode, and an etching fuse is arranged on each voltage acquisition line.
Be formed with in the mid portion of FPC board and extend to long slat in the inspection hole, in order to record the more true effectual temperature data of soft-package electricity core, and make can not wearing and tearing each other between temperature sensor and soft-package electricity core, temperature sensor sets up on long slat and the back area is glued, can directly paste on the surface of soft-package electricity core, makes temperature sensor and soft-package electricity core closely laminate through little apron, temperature sensor's pin lug connection is on the FPC board to this cancellation wire is connected.
Wherein, the rectangular board is formed with two, extends to the both ends of soft-packaged electrical core respectively, the inspection hole is equipped with two, is close to the end plate in both sides respectively, all installs a temperature sensor from this on every rectangular board, realizes the both ends temperature acquisition to soft-packaged electrical core.
One end of the FPC board is connected with the end plate on one side through a reinforcing plate, the other end of the FPC board is connected with the wire outlet socket through another reinforcing plate, the reinforcing plate is connected to the insulating groove plate at the moment, the insulating groove plate is fixedly connected to the end plate on the other side, and the wire outlet socket is connected with a lead wire on the FPC board; the insulation groove plate comprises a T-shaped plate and a U-shaped frame, the T-shaped plate is connected to the end plate, the U-shaped frame is connected to the vertical portion of the T-shaped plate, the T-shaped plate and the U-shaped frame are integrated, the outgoing line socket is arranged in the U-shaped frame, and therefore the outgoing line socket is separated from a copper bar connected to the end plate on one side, high-low voltage separation is formed, and signal interference is avoided.
The utility model provides a socket of being qualified for next round of competitions collects the temperature sampling signal that the voltage that the sampling copper bar gathered and temperature sensor gathered through the lead wire on the FPC board, transmits to BMS (BATTERY MANAGEMENT SYSTEM BATTERY management system) as the transfer on.
The utility model discloses improve the structure of the integral type encapsulation with temperature and voltage sampling device, can reflect the temperature variation in real time, improve the accuracy of temperature sampling, make the space utilization maximize, save temperature and voltage sampling equipment occupation space, improve the volume energy density of group battery; meanwhile, the assembly efficiency of the whole module is improved, the pins of the temperature sensor are welded on the FPC board, connecting wires are omitted, and the problem that the wiring harness needs to be fixed is solved.
In order to make the purpose, technical solution and advantages of the present invention more concise and clear, the present invention is described with the above embodiments, which are only used for describing the present invention, and can not be understood as a limitation to the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A voltage and temperature acquisition device of a multi-parallel multi-string soft package battery module comprises a plurality of soft package battery core groups connected in series, each soft package battery core group comprises a plurality of soft package battery cores connected in parallel, and the positive and negative electrode lugs of the soft package battery core groups are arranged at the two ends of the soft package battery core groups,
the cover plate (1) comprises an upper cover plate (11) and two end plates (12), wherein the upper cover plate is provided with a detection hole (13), and the end plates are provided with elongated slots (14) for the penetration of positive and negative lugs;
the sampling copper bars (2) are respectively fixed on the two end plates and are used for connecting the positive and negative electrode lugs;
the two ends of the FPC board (3) are respectively connected to the two end plates and are connected with each sampling copper bar through nickel sheets (4), and the middle part of the FPC board is embedded in the upper cover plate;
the outlet socket (5) is connected to one end of the FPC board and is connected with a lead on the FPC board;
the insulating groove plate (6) is fixedly connected to one end plate, and the outlet socket is arranged in the insulating groove plate;
the temperature sensor (7) is connected to the FPC, extends into the detection hole and is connected with the surface of the soft package battery cell;
and the small cover plate (8) is mounted on the detection hole to enable the temperature sensor to be attached to the soft package battery core.
2. The voltage and temperature acquisition device for the multi-parallel multi-string soft package battery module as claimed in claim 1, wherein a long strip plate (31) extending into the detection hole is formed in the middle part of the FPC board, the temperature sensor is attached to the top end of the long strip plate, and the temperature sensor is connected with a lead on the FPC board.
3. The voltage and temperature acquisition device for the multi-parallel multi-string soft package battery module according to claim 1, wherein reinforcing plates (9) are mounted at two ends of the FPC and at positions connected with the two end plates.
4. The voltage and temperature acquisition device for the multi-string and multi-string soft package battery modules according to claim 1, wherein an embedding groove (15) is formed in the upper cover plate, a boss (16) is arranged in the embedding groove in the upper cover plate, and a positioning hole (32) is correspondingly formed in the FPC plate and corresponds to the boss.
5. The voltage and temperature acquisition device for the multi-parallel multi-string soft package battery module according to claim 1, wherein the insulation groove plate comprises a T-shaped plate (61) connected to the end plate and a U-shaped frame (62) connected to the vertical part of the T-shaped plate, and the outlet socket is arranged in the U-shaped frame.
6. The voltage and temperature acquisition device for the multiple-parallel-multiple-string soft package battery module according to claim 1, wherein the sampling copper bar comprises a line outlet end sampling copper bar (21) connected to one end plate and a positive and negative electrode sampling copper bar (22) connected to the other end plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020209450673 | 2020-05-28 | ||
| CN202020945067 | 2020-05-28 |
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| Publication Number | Publication Date |
|---|---|
| CN212934707U true CN212934707U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021436641.9U Active CN212934707U (en) | 2020-05-28 | 2020-07-20 | Voltage and temperature acquisition device of many and many cluster laminate polymer battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241612A (en) * | 2022-08-09 | 2022-10-25 | 天津市捷威动力工业有限公司 | Battery module and battery pack |
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2020
- 2020-07-20 CN CN202021436641.9U patent/CN212934707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241612A (en) * | 2022-08-09 | 2022-10-25 | 天津市捷威动力工业有限公司 | Battery module and battery pack |
| CN115241612B (en) * | 2022-08-09 | 2023-07-07 | 天津市捷威动力工业有限公司 | Battery module and battery pack |
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