CN210778884U - Battery voltage and temperature acquisition device based on FPC flexible printed board - Google Patents
Battery voltage and temperature acquisition device based on FPC flexible printed board Download PDFInfo
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- CN210778884U CN210778884U CN201921647305.6U CN201921647305U CN210778884U CN 210778884 U CN210778884 U CN 210778884U CN 201921647305 U CN201921647305 U CN 201921647305U CN 210778884 U CN210778884 U CN 210778884U
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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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Abstract
A battery voltage and temperature acquisition device based on a flexible printed board (FPC) comprises the flexible printed board, wherein two sides of the flexible printed board extend along the length direction to form a first acquisition arm, two ends of the flexible printed board respectively extend along the width direction to form a second acquisition arm and a third acquisition arm, a temperature acquisition module is arranged on the first acquisition arm, voltage acquisition modules are arranged on the second acquisition arm and the third acquisition arm, and the temperature acquisition module and the voltage acquisition module are connected with connectors arranged on the third acquisition arm through acquisition lines arranged inside the flexible printed board; still be equipped with the guard plate that is used for preventing that the temperature acquisition module from receiving the extrusion of external force on the first arm of gathering. The utility model discloses a bonding mode realizes that flexible printing board to the temperature acquisition of battery electricity core, still can realize multiple spot voltage measurement on a large scale, and the guard plate that sets up on NTC temperature sensor makes the battery module be in under the high frequency vibrations environment and can accept pressure in advance when receiving external force extrusion to avoid NTC temperature sensor pressurized damage.
Description
Technical Field
The utility model belongs to the technical field of the battery collection system, in particular to battery voltage and temperature acquisition device based on FPC flexible printing board.
Background
The FPC flexible printed board is widely applied to the battery module integrated cover plate as a temperature and voltage signal acquisition wiring harness. Current FPC pencil temperature, voltage acquisition utilize thermistor and nickel piece to realize, and the nickel piece needs and busbar carry out laser welding in the installation, and the nickel piece is gathered and is received the unable complicated structure that adapts to of structural limitation very easily in the design process, and when laminate polymer battery module needs direct acquisition electric core temperature, thermistor can not and electric core between directly carry out laser welding fixed. In addition, at present, a thermistor is welded and packaged on the FPC flexible printed board without a protection device, and the thermistor is convexly arranged on the surface of the FPC flexible printed board, so that the thermistor can be extruded by external force in the process under a high-frequency vibration environment to cause damage and failure of elements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery voltage and temperature acquisition device based on FPC flexible printing board, its reasonable structural design and the reasonable protection to temperature acquisition module through to FPC flexible printing board realize the stable measurement to voltage, temperature.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a battery voltage and temperature acquisition device based on FPC flexible printed board, including flexible printed board, be equipped with first collection arm on the flexible printed board, flexible printed board both ends extend along the width direction respectively and form second collection arm and third collection arm, are equipped with the temperature acquisition module on the first collection arm, are equipped with the voltage acquisition module on second collection arm and the third collection arm, temperature acquisition module and voltage acquisition module all are connected with the connector of locating on the third collection arm through locating the collection line of flexible printed board inside; still be equipped with the guard plate that is used for preventing that the temperature acquisition module from receiving the extrusion of external force on the first arm of gathering.
The utility model discloses still adopt following technical scheme further to realize.
In the battery voltage and temperature acquisition device, the first acquisition arms are provided with two flexible printed boards, the two flexible printed boards extend from different sides of the flexible printed boards along the length direction, and the extending directions of the two first acquisition arms are opposite.
In the battery voltage and temperature acquisition device, the protection plate is in a hollow rectangular plate shape, the temperature acquisition module is positioned in the hollow area of the protection plate, and the thickness of the protection plate is greater than the installation height of the temperature acquisition module.
In the aforementioned device for collecting battery voltage and temperature, the protection plate is FR4 plate.
In the aforementioned battery voltage and temperature collecting device, the temperature collecting module is an NTC temperature sensor.
According to the battery voltage and temperature acquisition device, the bottom of the first acquisition arm is provided with a back adhesive area used for being bonded with the battery module.
According to the battery voltage and temperature acquisition device, the flexible printed board is provided with the fixing hole for installing and positioning the battery module.
Aforementioned battery voltage and temperature collection system, wherein the second gathers arm and the third and gathers the arm and set firmly the stiffening plate.
In the battery voltage and temperature collecting device, the reinforcing plate is provided with the positioning hole.
In the aforementioned battery voltage and temperature collecting device, the voltage collecting device is a nickel plate.
Borrow by above-mentioned technical scheme, the utility model discloses a bonding mode has realized the temperature acquisition of flexible printing board to battery electricity core, and the flexible printing board can realize on a large scale multiple spot voltage measurement along the collection arm that width direction extends, and the guard plate that sets up makes the battery module be in work under the high frequency vibrations environment and can accept pressure in advance when receiving external force extrusion on NTC temperature sensor to NTC temperature sensor pressurized damage has been avoided.
Drawings
Fig. 1 is a front view structure diagram of the present invention.
Fig. 2 is a schematic rear view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 3, a battery voltage and temperature acquisition device based on an FPC flexible printed board includes a flexible printed board 1, where the upper and lower sides of the flexible printed board are respectively provided with first acquisition arms 11 extending along the length direction, in this embodiment, the number of the first acquisition arms 11 is two, the first acquisition arms are located on different sides of the flexible printed board, and extend in opposite directions, and the measurement area span of the two first acquisition arms is large; a temperature acquisition module 12 for acquiring the cell temperature of the battery module is welded on each first acquisition arm 11. Two ends of the flexible printed board 1 extend along the width direction to form a second acquisition arm 13 and a third acquisition arm 14, so that the flexible printed board is in an I-shaped structure as a whole; the second collection arm 13 and the third collection arm 14 are respectively provided with a plurality of voltage collection modules 15 for collecting voltages at a plurality of positions of the battery module. The third collecting arm 14 is provided with a connector 16, and each of the temperature collecting modules 12 and the voltage collecting module 15 is connected with the connector 16 through a collecting line arranged inside the flexible printed board, so that the low-voltage connector can output collected temperature and voltage signals to a battery management system.
Preferably, in this embodiment, the flexible printed board 1 is an FPC flexible printed board, which has the advantages of being light, thin, and easy to bend, and is convenient to mount; the voltage acquisition module 15 adopts a nickel sheet and can be connected with the battery module by adopting a bonding or welding mode to realize pressure measurement; the temperature acquisition module 12 selects an NTC temperature sensor, which realizes accurate acquisition of the cell temperature by using the temperature sensitive characteristic of the thermistor. After the NTC temperature sensor is welded and packaged on the first acquisition arm 11, a protection plate 17 for protecting the NTC temperature sensor is fixed on the first acquisition arm, is an FR4 plate, and is fixed around the NTC temperature sensor by glue dispensing and pasting; protection shield 17 is hollow rectangular plate structure, and NTC temperature sensor is located this hollow region, and the thickness of protection shield is a little higher than NTC temperature sensor's mounting height, consequently receives external force extrusion near the mounting region of temperature acquisition module, and the protection shield can accept pressure in advance, prevents NTC temperature sensor pressurized damage. In other embodiments, a heat conducting glue may be further dispensed in the hollow rectangular area of the protection plate to cover the NTC temperature sensor, and the heat conducting glue may slightly exceed the FR4 plate or be flush with the FR4 plate, thereby performing fixing, anti-extrusion and heat conducting functions.
Further, with reference to fig. 2, an adhesive-backed area 18, such as a double-sided adhesive tape, is disposed at the bottom of the first collecting arm, so as to be conveniently attached to the battery core, the battery core case, the busbar or other temperature collecting areas capable of being attached to the battery module to be tested during installation, thereby avoiding welding fixation.
In this embodiment, the flexible printed board is further provided with a plurality of fixing holes 19 for fixing the flexible printed board to the battery module. Reinforcing plates 20 are arranged on the second acquisition arm and the third acquisition arm respectively and used for enhancing the connection strength of the acquisition arms and the battery module; the reinforcing plate is provided with a positioning hole 21 for matching with a plastic piece on the battery module to position the second acquisition arm and the third acquisition arm; the reinforcing plate can be fixed on the flexible printed board in a bonding mode.
The utility model discloses when using, with flexible printing board installation positioning on the corresponding installation position of battery module, the locate mode is for corresponding mounting on through fixed orifices and locating hole cooperation battery module, then with the double faced adhesive tape of first collection arm bottom tear from type paper paste at the busbar or directly paste on electric core surface can, need not laser welding. In addition, thereby first to third collection arm can buckle the multiple model battery module of adaptation under different installation operating mode.
In other embodiments, the number of the first collecting arms is not limited to two, and may be optionally provided in plurality according to specific situations, and the first collecting arms may extend in a direction perpendicular to the length of the flexible printed board, or may extend in any direction to adapt to structural requirements; the extension length of second collection arm or third collection arm can be according to battery module size setting, and then nickel piece setting quantity can increase progressively according to gathering arm length to realize multiple spot collection on a large scale.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a battery voltage and temperature collection system based on FPC flexible printed board, includes flexible printed board, its characterized in that: the flexible printed board is provided with a first acquisition arm, two ends of the flexible printed board extend along the width direction to form a second acquisition arm and a third acquisition arm respectively, the first acquisition arm is provided with a temperature acquisition module, the second acquisition arm and the third acquisition arm are provided with voltage acquisition modules, and the temperature acquisition module and the voltage acquisition modules are connected with a connector arranged on the third acquisition arm through acquisition lines arranged in the flexible printed board; still be equipped with the guard plate that is used for preventing that the temperature acquisition module from receiving the extrusion of external force on the first arm of gathering.
2. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 1, wherein: the two first acquisition arms are formed by extending different sides of the flexible printed board along the length direction respectively, and the extending directions of the two first acquisition arms are opposite.
3. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 2, wherein: the protection plate is in a hollow rectangular plate shape, the temperature acquisition module is located in the hollow area of the protection plate, and the thickness of the protection plate is larger than the installation height of the temperature acquisition module.
4. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 3, wherein: the protection plate is an FR4 plate.
5. The FPC-based flexible printed board battery voltage and temperature acquisition device according to claim 4, wherein: the temperature acquisition module is an NTC temperature sensor.
6. The FPC flexible printed board-based battery voltage and temperature acquisition apparatus according to any one of claims 1 to 5, wherein: the bottom of the first collecting arm is provided with a back adhesive area used for being bonded with the battery module.
7. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 1, wherein: and the flexible printed board is provided with a fixing hole for installing and positioning the battery module.
8. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 1, wherein: and reinforcing plates are fixedly arranged on the second acquisition arm and the third acquisition arm.
9. The FPC flexible printed board-based battery voltage and temperature acquisition apparatus according to claim 8, wherein: and the reinforcing plate is provided with a positioning hole.
10. The device for collecting the voltage and the temperature of the battery based on the FPC flexible printed board according to claim 1, wherein: the voltage acquisition device is a nickel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647305.6U CN210778884U (en) | 2019-09-27 | 2019-09-27 | Battery voltage and temperature acquisition device based on FPC flexible printed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647305.6U CN210778884U (en) | 2019-09-27 | 2019-09-27 | Battery voltage and temperature acquisition device based on FPC flexible printed board |
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| Publication Number | Publication Date |
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| CN210778884U true CN210778884U (en) | 2020-06-16 |
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| CN201921647305.6U Active CN210778884U (en) | 2019-09-27 | 2019-09-27 | Battery voltage and temperature acquisition device based on FPC flexible printed board |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006801A1 (en) * | 2020-07-09 | 2022-01-13 | 威睿电动汽车技术(宁波)有限公司 | Temperature monitoring apparatus and battery module having same |
| 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 |
| CN114088985A (en) * | 2020-08-05 | 2022-02-25 | 上海汽车集团股份有限公司 | Sampling device |
| CN114094271A (en) * | 2020-07-29 | 2022-02-25 | 郑州深澜动力科技有限公司 | Battery module |
| CN114152883A (en) * | 2021-11-30 | 2022-03-08 | 同济大学 | Storage battery internal state measuring device and soft package lithium ion battery |
| CN114614121A (en) * | 2022-03-29 | 2022-06-10 | 苏州赛伍应用技术股份有限公司 | Manufacturing process of power battery signal acquisition assembly and power battery signal acquisition board thereof |
-
2019
- 2019-09-27 CN CN201921647305.6U patent/CN210778884U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006801A1 (en) * | 2020-07-09 | 2022-01-13 | 威睿电动汽车技术(宁波)有限公司 | Temperature monitoring apparatus and battery module having same |
| CN114094271A (en) * | 2020-07-29 | 2022-02-25 | 郑州深澜动力科技有限公司 | Battery module |
| CN114094271B (en) * | 2020-07-29 | 2024-09-06 | 郑州深澜动力科技有限公司 | Battery module |
| 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 |
| CN114088985A (en) * | 2020-08-05 | 2022-02-25 | 上海汽车集团股份有限公司 | Sampling device |
| CN114152883A (en) * | 2021-11-30 | 2022-03-08 | 同济大学 | Storage battery internal state measuring device and soft package lithium ion battery |
| CN114614121A (en) * | 2022-03-29 | 2022-06-10 | 苏州赛伍应用技术股份有限公司 | Manufacturing process of power battery signal acquisition assembly and power battery signal acquisition board thereof |
| CN114614121B (en) * | 2022-03-29 | 2024-04-30 | 苏州赛伍应用技术股份有限公司 | Manufacturing process of power battery signal acquisition component and power battery signal acquisition board thereof |
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