CN217086679U - FPC collection system, power battery and vehicle - Google Patents
FPC collection system, power battery and vehicle Download PDFInfo
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- CN217086679U CN217086679U CN202220591681.3U CN202220591681U CN217086679U CN 217086679 U CN217086679 U CN 217086679U CN 202220591681 U CN202220591681 U CN 202220591681U CN 217086679 U CN217086679 U CN 217086679U
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- fpc
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
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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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- Chemical & Material Sciences (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a FPC collection system, power battery and vehicle, wherein, FPC collection system includes: the FPC acquisition board is used for being installed on the surface of the electric core of the power battery, and a circuit is etched inside the FPC acquisition board; the acquisition chip is arranged on the FPC acquisition board and is electrically connected with the circuit; and the voltage detection piece and/or the temperature detection piece are/is arranged on the FPC acquisition board and electrically connected with the circuit, the voltage detection piece is used for acquiring the voltage of the battery cell, and the temperature detection piece is used for acquiring the temperature of the battery cell. The technical scheme of the utility model the electron electrical structure of power battery can be simplified to promote its assembly efficiency.
Description
Technical Field
The utility model relates to a power battery technical field, in particular to FPC (Flexible Printed Circuit, Flexible Circuit board) collection system, power battery and vehicle.
Background
At present, the voltage and the temperature of a Battery core are collected by a power Battery, and the voltage and the temperature are usually collected by a Battery Management System (BMS) through a wire harness. Accordingly, it is desirable to provide a new acquisition structure to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a FPC collection system aims at simplifying power battery's electron electrical structure to promote its assembly efficiency.
In order to achieve the above object, the utility model provides a FPC collection system is used for power battery, and this FPC collection system includes:
the FPC acquisition board is used for being installed on the surface of the electric core of the power battery, and a circuit is etched inside the FPC acquisition board;
the acquisition chip is arranged on the FPC acquisition board and is electrically connected with the circuit; and
the voltage detection piece and/or the temperature detection piece are/is arranged on the FPC acquisition board and electrically connected with the circuit, the voltage detection piece is used for acquiring the voltage of the battery cell, and the temperature detection piece is used for acquiring the temperature of the battery cell.
Optionally, the voltage detection part is configured as a nickel plate, one end of the nickel plate is welded to the FPC collection board, and the other end of the nickel plate is connected to the terminal of the electrical core.
Optionally, the temperature detecting element is configured as an NTC thermistor, and the temperature detecting element is configured to detect the temperature of the nickel sheet.
Optionally, the temperature detection member is connected to the nickel plate through a heat conduction structure.
Optionally, the collection chip, voltage detection spare with temperature detection spare is all located the upper surface of FPC gathers the board, FPC collection system still includes the reinforcement structure, the reinforcement structure corresponds gather the chip voltage detection spare reaches temperature detection spare sets up, and locates the lower surface of FPC gathers the board.
Optionally, the voltage detection piece is provided with a plurality of voltage detection pieces, and is a plurality of voltage detection piece is followed the length direction interval distribution of FPC gathers the board, the reinforcement structure configures into a stiffening plate, the stiffening plate fold locate the lower surface of FPC gathers the board, and correspond all the voltage detection piece sets up.
Optionally, the voltage detection piece is equipped with a plurality ofly, and is a plurality of the voltage detection piece is followed the length direction interval distribution of FPC gathers the board, the reinforcement structure includes a plurality of stiffening plates, and is a plurality of the stiffening plate is followed the length direction interval distribution of FPC gathers the board, and one the stiffening plate corresponds at least one the voltage detection piece sets up.
Optionally, the FPC collection device further includes a voltage equalization module disposed on the FPC collection board, the voltage equalization module being electrically connected to the line.
Optionally, the FPC collection device further includes a filtering module disposed on the FPC collection board, and the filtering module is electrically connected to the line.
The utility model also provides a power battery, include electric core, reach aforementioned FPC collection system, FPC collection system's FPC gathers the board and locates the surface of electric core.
The utility model discloses still provide a vehicle, including aforementioned power battery.
The utility model discloses among the technical scheme, through with gather components and parts such as chip, voltage detection spare and temperature detection spare direct integration on FPC gathers the board, can simplify the relevant electron electrical structure that is used for gathering electric core operational parameter among the power battery to the power battery's of being convenient for assembly, thereby promote power battery's production efficiency, and reduction in production cost. Secondly, compare in the structural scheme who adopts the pencil switching among the prior art, can save the switching cost to reduce power battery's manufacturing cost. In addition, because the FPC acquisition board has flexibility and elastic deformation capability, when the battery cell expands, the FPC acquisition board arranged on the surface of the battery cell can well absorb the deformation of the battery cell.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the FPC collection device of the present invention;
fig. 2 is another schematic structural diagram of the FPC collection device in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
50 | Voltage equalization module |
| 11 | Wire outlet structure | 60 | Filtering module |
| 20 | Acquisition chip | 70 | |
| 30 | Voltage detection piece |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, the voltage and temperature of a Battery core are collected by a power Battery, and the voltage and temperature are usually collected by a Battery Management System (BMS) through a wire harness. Accordingly, it is urgently needed to provide a new acquisition structure to solve the problem.
In view of this, the utility model provides a FPC collection system for power battery refers to FIG. 1 the utility model relates to an in the embodiment, this FPC collection system includes:
the device comprises an FPC acquisition board 10, a power battery and a control circuit, wherein the FPC acquisition board 10 is used for being installed on the surface of an electric core of the power battery, both ends of the FPC acquisition board 10 are provided with wire outlet structures 11, and a circuit electrically connected with the wire outlet structures 11 is etched inside the FPC acquisition board 10;
the acquisition chip 20 is arranged on the FPC acquisition board 10 and is electrically connected with the circuit; and
and a voltage detection part 30 and/or a temperature detection part (not shown in the drawings) which is arranged on the FPC collection board 10 and is electrically connected with the circuit, wherein the voltage detection part 30 is used for acquiring the voltage of the battery cell, and the temperature detection part is used for acquiring the temperature of the battery cell.
The utility model discloses among the technical scheme, through with gathering components and parts such as chip 20, voltage detection spare 30 and temperature detection spare direct integration on FPC gathers board 10, can simplify the relevant electron electrical structure that is used for gathering electric core operational parameter among the power battery to the power battery's of being convenient for assembly, thereby promote power battery's production efficiency, and reduction in production cost. Secondly, compare in the structural scheme who adopts the pencil switching among the prior art, can save the switching cost to reduce power battery's manufacturing cost. In addition, since the FPC board 10 has flexibility and elastic deformation capability, when the cell expands, the FPC board 10 disposed on the surface of the cell can absorb the cell deformation amount well. Specifically, the acquisition chip 20 controls the voltage detection element 30 and the temperature detection element to acquire voltage and temperature parameters of the battery cell in real time or periodically according to design requirements, and is in communication connection with external electronic components through the outlet structure 11, so as to manage the power battery; the acquisition Chip 20 may be an MCU (Micro Control Unit), an MPU (Micro Processor Unit), or an SOC (System on Chip, also called System on Chip).
It should be noted that, in this embodiment, the wire outlet structures 11 are configured as connectors soldered on the FPC collection board 10, and the wire outlet structures 11 are respectively disposed at two ends of the FPC collection board 10, so that the electronic components can be conveniently and alternatively connected in communication through two connectors, thereby facilitating the improvement of the universality of the FPC collection device. Of course, both connectors may be communicatively coupled.
In this embodiment, optionally, the voltage detection element 30 is configured as a nickel plate, one end of the nickel plate is welded to the FPC collection board 10, and the other end of the nickel plate is connected to the terminal of the electrical core. Thus, the nickel sheet is welded on the FPC acquisition board 10, so that the installation reliability of the nickel sheet can be improved, and the stability of the voltage acquisition work of the FPC acquisition board is ensured. Of course, in other embodiments, the voltage detection part may also be configured as a copper sheet, and it can be understood by those skilled in the art that the specific structure of the voltage detection part may be set according to actual requirements as long as it is capable of obtaining the voltage of the battery electric core.
In this embodiment, optionally, the Temperature detecting element is configured as an NTC (Negative Temperature Coefficient) thermistor, and the Temperature detecting element is configured to detect the Temperature of the nickel plate. Therefore, the temperature of the battery core is indirectly acquired by detecting the temperature of the nickel sheet, the structure and the manufacturing process of the FPC acquisition board 10 can be simplified, and the manufacturing cost of the FPC acquisition board 10 is reduced. Of course, in other embodiments, the Temperature detection member may also be configured as a ptc (positive Temperature coefficient) thermistor, or a thermocouple, etc.; the temperature detection piece can also be directly connected to a pole of the battery cell and directly detect the temperature of the battery cell.
In this embodiment, optionally, the temperature detection member is connected to the nickel plate through a heat conduction structure. In this way, the structure and manufacturing process of the FPC collection board 10 can be simplified, thereby reducing the manufacturing cost thereof. Specifically, the heat conducting structure may be a heat conducting glue, a heat conducting silicone grease, or a graphene sheet. Of course, in other embodiments, one end of the temperature detecting member may be lapped on the nickel plate.
In this embodiment, optionally, the FPC collection device further includes a voltage equalization module 50 and a filter module 60 disposed on the FPC collection board 10, and both the voltage equalization module 50 and the filter module 60 are electrically connected to a circuit. Specifically, the voltage equalization module 50 generally includes a resistive element and is configured to increase a charging voltage of the battery pack and perform equalized charging on the battery, so as to equalize characteristics of each battery cell in the battery pack and prolong a service life of the battery; the filter module 60 generally includes a capacitor, an inductor, and a magnetic bead element, and is used to reduce an ac component in the pulsating dc voltage, and retain the dc component, so that a ripple coefficient of the output voltage is reduced, and a waveform becomes smoother. It will be understood by those skilled in the art that the specific structures of the voltage equalization module 50 and the filtering module 60 may be set according to actual requirements, as long as the structures can achieve their corresponding functions. Therefore, other functional modules and electronic components thereof are further integrated on the FPC acquisition board 10, the structure of the power battery can be further simplified, and the production efficiency of the power battery is improved.
In this embodiment, further, the collecting chip 20, the voltage detecting element 30, the temperature detecting element, the voltage equalizing module 50, and the filtering module 60 are all disposed on the upper surface of the FPC collecting board 10, the FPC collecting device further includes a reinforcing structure 70, and the reinforcing structure 70 is disposed corresponding to the collecting chip 20, the voltage detecting element 30, the temperature detecting element, the voltage equalizing module 50, and the filtering module 60, and is disposed on the lower surface of the FPC collecting board 10. Specifically, the collecting chip 20, the nickel plate, the thermistor, the resistor, the capacitor, the inductor, the magnetic bead, and other electronic components are fixed to the upper surface of the FPC collecting board 10 by soldering. It can be understood that the flexibility of the FPC collection board 10 itself is not favorable for the soldering and fixing of the electronic components and the FPC collection board 10, that is, the problem of soldering quality such as cold solder occurs easily. And through pasting at FPC's lower surface and establishing reinforcement structure 70, can provide effectual supporting role when electronic components welds to avoid appearing the welding quality problem, and then promote FPC collection system's yields, and reduce its manufacturing cost.
In this embodiment, electric core is equipped with a plurality ofly, and the voltage of each electric core all needs to gather, so the nickel piece correspondence is equipped with a plurality ofly to it is unanimous with the direction of arranging of electric core, all distributes along the length direction of FPC acquisition board 10. Referring to fig. 2, fig. 2 is a schematic structural diagram of the FPC collection device when the reinforcing structure 70 is configured as a reinforcing plate. The reinforcing structure 70 may be configured as only one reinforcing plate, which is stacked on the lower surface of the FPC collection board and corresponds to all electronic components (including the collection chip 20, nickel plate, thermistor, resistor, capacitor, inductor, magnetic bead, etc.), or may be configured as a plurality of reinforcing plates, which are distributed at intervals along the length direction of the FPC collection board 10, and one reinforcing plate is disposed corresponding to at least one voltage detection element; the former can simplify the assembly process of FPC collection system, is favorable to reducing its manufacturing cost, and the latter can make FPC collection board 10 still keep its length direction upward crooked deformation's ability to keep its ability of absorbing electric core inflation. Of course, in the embodiment where the reinforcing structure 70 is configured as only one reinforcing plate, for example, a thin steel sheet with a thickness of 0.5mm, it also has a certain bending deformation capability, that is, the FPC collection device can meet the capability of absorbing the expansion of the cell. Specifically, the reinforcing plate may be a plastic plate or a metal plate, such as an epoxy resin sheet or a steel sheet, and is fixed to the lower surface of the FPC collection board 10 by adhesive bonding and press-fitting. Of course, in other embodiments, the reinforcing structure may also be a cured adhesive layer or a hot melt adhesive layer coated on the lower surface of the FPC collection board.
The utility model also provides a power battery, including electric core, and aforementioned FPC collection system, this FPC collection system's concrete structure refers to above-mentioned embodiment, because this power battery has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, FPC collection system's voltage detection spare and temperature detection spare are located the surface of electricity core.
The utility model also provides a vehicle, including aforementioned power battery, this power battery includes electric core and aforementioned FPC collection system, and this FPC collection system's concrete structure refers to above-mentioned embodiment, because this vehicle has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the application directly/indirectly in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a FPC collection system for power battery, its characterized in that, FPC collection system includes:
the FPC acquisition board is used for being installed on the surface of the electric core of the power battery, and a circuit is etched inside the FPC acquisition board;
the acquisition chip is arranged on the FPC acquisition board and is electrically connected with the circuit; and
the voltage detection piece and/or the temperature detection piece are/is arranged on the FPC acquisition board and electrically connected with the circuit, the voltage detection piece is used for acquiring the voltage of the battery cell, and the temperature detection piece is used for acquiring the temperature of the battery cell.
2. The FPC acquisition device of claim 1, wherein the voltage detection member is configured as a nickel sheet, one end of the nickel sheet is soldered to the FPC acquisition board, and the other end of the nickel sheet is connected to a pole of the battery cell.
3. The FPC collection device of claim 2, wherein the temperature detection member is configured as an NTC thermistor, the temperature detection member being configured to detect the temperature of the nickel sheet.
4. The FPC acquisition device of claim 3, wherein the temperature detection member is connected to the nickel sheet through a thermally conductive structure.
5. The FPC acquisition device according to claim 1, wherein the acquisition chip, the voltage detection member and the temperature detection member are disposed on an upper surface of the FPC acquisition board, and the FPC acquisition device further comprises a reinforcement structure disposed corresponding to the acquisition chip, the voltage detection member and the temperature detection member and disposed on a lower surface of the FPC acquisition board.
6. The FPC collecting device according to claim 5, wherein a plurality of voltage detecting members are provided, the plurality of voltage detecting members are spaced apart from each other along a length direction of the FPC collecting board, and the reinforcing structure is configured as a reinforcing plate, and the reinforcing plate is stacked on a lower surface of the FPC collecting board and is disposed corresponding to all of the voltage detecting members.
7. The FPC collecting device according to claim 5, wherein a plurality of voltage detecting members are provided, a plurality of voltage detecting members are spaced apart along a longitudinal direction of the FPC collecting board, the reinforcing structure includes a plurality of reinforcing plates, a plurality of reinforcing plates are spaced apart along the longitudinal direction of the FPC collecting board, and one reinforcing plate is disposed corresponding to at least one of the voltage detecting members.
8. The FPC acquisition device of any one of claims 1 to 7, further comprising a voltage equalization module disposed on the FPC acquisition board, the voltage equalization module being electrically connected to the line;
and/or, the FPC acquisition device is also including locating the filtering module of FPC acquisition board, filtering module with the circuit electricity is connected.
9. A power battery, characterized by comprising an electric core and the FPC acquisition device as recited in any one of claims 1 to 8, wherein the FPC acquisition board of the FPC acquisition device is arranged on the surface of the electric core.
10. A vehicle characterized by comprising the power battery according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591681.3U CN217086679U (en) | 2022-03-17 | 2022-03-17 | FPC collection system, power battery and vehicle |
| PCT/CN2023/081374 WO2023174285A1 (en) | 2022-03-17 | 2023-03-14 | Fpc collection apparatus, power battery and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591681.3U CN217086679U (en) | 2022-03-17 | 2022-03-17 | FPC collection system, power battery and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086679U true CN217086679U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220591681.3U Active CN217086679U (en) | 2022-03-17 | 2022-03-17 | FPC collection system, power battery and vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217086679U (en) |
| WO (1) | WO2023174285A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023174285A1 (en) * | 2022-03-17 | 2023-09-21 | 浙江极氪智能科技有限公司 | Fpc collection apparatus, power battery and vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207233892U (en) * | 2017-07-25 | 2018-04-13 | 深圳市沃特玛电池有限公司 | Collection plate in a kind of battery case |
| CN210040356U (en) * | 2019-08-26 | 2020-02-07 | 上海汽车集团股份有限公司 | Vehicle-mounted battery module unit |
| CN211376865U (en) * | 2020-02-11 | 2020-08-28 | 力神动力电池系统有限公司 | Flexible printed circuit board assembly for sampling of power battery module |
| CN111341954B (en) * | 2020-03-13 | 2021-01-01 | 苏州清陶新能源科技有限公司 | Soft package battery module and assembly method thereof |
| CN112201866A (en) * | 2020-09-29 | 2021-01-08 | 欣旺达电动汽车电池有限公司 | Intelligent battery core, battery system and electric vehicle |
| CN213304218U (en) * | 2020-11-12 | 2021-05-28 | 中车时代电动汽车股份有限公司 | New energy automobile and power battery and FPC collection system thereof |
| CN217086679U (en) * | 2022-03-17 | 2022-07-29 | 浙江极氪智能科技有限公司 | FPC collection system, power battery and vehicle |
-
2022
- 2022-03-17 CN CN202220591681.3U patent/CN217086679U/en active Active
-
2023
- 2023-03-14 WO PCT/CN2023/081374 patent/WO2023174285A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023174285A1 (en) * | 2022-03-17 | 2023-09-21 | 浙江极氪智能科技有限公司 | Fpc collection apparatus, power battery and vehicle |
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| Publication number | Publication date |
|---|---|
| WO2023174285A1 (en) | 2023-09-21 |
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