CN204666702U - The voltage temperature collection device of lithium battery group - Google Patents
The voltage temperature collection device of lithium battery group Download PDFInfo
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- CN204666702U CN204666702U CN201520209930.8U CN201520209930U CN204666702U CN 204666702 U CN204666702 U CN 204666702U CN 201520209930 U CN201520209930 U CN 201520209930U CN 204666702 U CN204666702 U CN 204666702U
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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
The utility model discloses a kind of voltage temperature collection device of lithium battery group, wherein lithium battery group comprises battery management and control device, battery case and in several battery modules of being connected in series, adjacent two battery modules are spirally connected fixing, especially, this voltage temperature collection device is by PCB battery core collection plate, temperature sensor and collection connector composition, wherein battery case end face is provided with caulking groove and via hole, PCB battery core collection plate is fixed in caulking groove and corresponding via hole is provided with and extends in battery case and be spirally connected collection terminal fixing with the battery core electrode of battery module, this temperature sensor adopt temperature end direct-connected to PCB battery core collection plate and output signal be connected to battery management and control device, the acquisition chip of this battery management and control device is connected with PCB battery core collection plate by gathering connector.Apply voltage temperature collection device of the present utility model, have install convenient, wire harness succinct, optimize electric battery layout, stop the advantages such as potential safety hazard.
Description
Technical field
The utility model relates to a kind of electric vehicle lithium battery, particularly relates to a kind of voltage temperature collection device being applied to electrical vehicular power lithium battery.
Background technology
Along with developing rapidly of electric vehicle, country is more and more higher to the requirement of lithium-ion battery energy, and battery management system is exactly the core of lithium ion battery.
And as the voltage temperature collection of one of battery management system core technology, at present when its acquisition chip unitizes substantially, the technology that chip exterior is connected with battery core body and mode, the accuracy for the collection of battery management system voltage temperature just seems very important.
At present, existing temperature voltage collection is all locked to the acquisition mode on battery core surface based on wire harness joint terminal, security and reliability do not ensure, the cleaning difficulty of wire harness is larger.
Therefore, how better to gather battery core voltage, temperature more accurately, become the important indicator weighing battery management system performance.
Summary of the invention
In view of the deficiency that above-mentioned prior art exists, the purpose of this utility model is the voltage temperature collection device proposing a kind of lithium battery group, solves the accuracy problem that lithium battery system voltage temperature gathers.
The purpose of this utility model will be achieved by the following technical programs: the voltage temperature collection device of lithium battery group, described lithium battery group comprises battery management and control device, battery case and in several battery modules of being connected in series, adjacent two battery modules are spirally connected fixing, it is characterized in that: described voltage temperature collection device is by PCB battery core collection plate, temperature sensor and collection connector composition, wherein battery case end face is provided with caulking groove and via hole, described PCB battery core collection plate is fixed in caulking groove and corresponding via hole is provided with and extends in battery case and be spirally connected collection terminal fixing with the battery core electrode of battery module, described temperature sensor adopt temperature end direct-connected to PCB battery core collection plate and output signal be connected to battery management and control device, the acquisition chip of described battery management and control device is connected with PCB battery core collection plate by gathering connector.
Further, described PCB battery core collection plate is the Copper Foil of tool toughness, surface insulation coating.
Further, described temperature sensor is pasted sheet type thermistor, and the temperature of adopting of temperature sensor is held directly soldered on the PCB battery core collection plate outside battery case.
Further, described temperature sensor is via hole type thermistor, and the Wen Duan that adopts of temperature sensor is solidly connected to battery core electrode in the lump with collection terminal in battery case.
After technical solutions of the utility model application implementation, the remarkable result of relatively traditional acquisition mode is: easy for installation, utilizes pcb board good toughness, and the tractable feature of top layer insulation course, is directly locked to battery core surface, convenient and swift; Overcome tradition and gather the shortcoming that wire harness length is uneven, cannot unify wire harness standard, can succinct wire harness, optimization battery system layout; Clipped broken by battery core the potential safety hazard that wire harness insulation cortex brings when effectively having stopped traditional wiring.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model lithium battery group voltage temperature collection device.
Embodiment
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, is easier to understand, grasp to make technical solutions of the utility model.
The utility model researcher, for many drawbacks of existing lithium battery group temperature voltage collection aspect, concentrates on studies and proposes a kind of voltage temperature collection device of lithium battery system, solving the accuracy problem that lithium battery system voltage temperature gathers.
The technical scheme of the voltage temperature collection device of the utility model lithium battery group understood by embodiment accompanying drawing as shown in Figure 1.From this lithium battery group 1 of conventional structure comprise battery management and control device 12, battery case 11 and in several battery modules (not shown) of being connected in series, and adjacent two battery modules are spirally connected fixing.Structure as feature is improved, and this voltage temperature collection device is made up of PCB battery core collection plate 21, temperature sensor 22 and collection connector 23.Wherein battery case 11 end face is provided with caulking groove and via hole, above-mentioned PCB battery core collection plate 21 is fixed in caulking groove and corresponding via hole is provided with and extends in battery case and be spirally connected collection terminal (not shown) fixing with the battery core electrode of battery module, and temperature sensor 22 to adopt temperature end direct-connected to PCB battery core collection plate and output signal is connected to battery management and control device 12, the acquisition chip of battery management and control device 12 is connected with PCB battery core collection plate 21 by gathering connector 23.It should be noted that, above-mentioned PCB battery core collection plate, according to existing battery module size and battery management system for battery module voltages, temperature acquisition requirement, corresponding via size, battery core collection point quantity and copper thickness need be designed.
More refinement ground, above-mentioned PCB battery core collection plate 21 is the Copper Foil of the certain toughness of tool, surface insulation coating.Utilize the feature of pcb board good toughness to lock in battery core surface, be connected to by Copper Foil and gather connector and battery management system (i.e. battery management and control device), realize voltage acquisition function.Simultaneous temperature sensor is soldered to PCB battery core collection plate surface, is equivalent to also lock in battery core electrode, is then connected to and gathers connector and battery management system, realize temperature acquisition function.
As the Alternate embodiments of such scheme, this temperature sensor can be pasted sheet type thermistor, and the temperature of adopting of temperature sensor is held directly soldered on the PCB battery core collection plate outside battery case.The pasted sheet type thermistor of several distribution, gets final product the temperature conditions of each position of accurate response electric battery.
Moreover said temperature sensor also can be via hole type thermistor, and the Wen Duan that adopts of temperature sensor is solidly connected to battery core electrode in the lump with collection terminal in battery case.Thus, the accurate monitoring of lithium battery group temperature significantly can be promoted to the direct temperature collection of battery module in battery case.
To sum up embodiment by reference to the accompanying drawings describes visible, and after application implementation technical solutions of the utility model, the remarkable result of relatively traditional acquisition mode is: easy for installation, utilize pcb board good toughness, the tractable feature of top layer insulation course, is directly locked to battery core surface, convenient and swift; Overcome tradition and gather the shortcoming that wire harness length is uneven, cannot unify wire harness standard, can succinct wire harness, optimization battery system layout; Clipped broken by battery core the potential safety hazard that wire harness insulation cortex brings when effectively having stopped traditional wiring.
In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (4)
1. the voltage temperature collection device of lithium battery group, described lithium battery group comprises battery management and control device, battery case and in several battery modules of being connected in series, adjacent two battery modules are spirally connected fixing, it is characterized in that: described voltage temperature collection device is by PCB battery core collection plate, temperature sensor and collection connector composition, wherein battery case end face is provided with caulking groove and via hole, described PCB battery core collection plate is fixed in caulking groove and corresponding via hole is provided with and extends in battery case and be spirally connected collection terminal fixing with the battery core electrode of battery module, described temperature sensor adopt temperature end direct-connected to PCB battery core collection plate and output signal be connected to battery management and control device, the acquisition chip of described battery management and control device is connected with PCB battery core collection plate by gathering connector.
2. the voltage temperature collection device of lithium battery group according to claim 1, is characterized in that: described PCB battery core collection plate is the Copper Foil of tool toughness, surface insulation coating.
3. the voltage temperature collection device of lithium battery group according to claim 1, is characterized in that: described temperature sensor is pasted sheet type thermistor, and temperature sensor to adopt temperature end directly soldered on the PCB battery core collection plate outside battery case.
4. the voltage temperature collection device of lithium battery group according to claim 1, is characterized in that: described temperature sensor is via hole type thermistor, and the Wen Duan that adopts of temperature sensor is solidly connected to battery core electrode in the lump with collection terminal in battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209930.8U CN204666702U (en) | 2015-04-09 | 2015-04-09 | The voltage temperature collection device of lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520209930.8U CN204666702U (en) | 2015-04-09 | 2015-04-09 | The voltage temperature collection device of lithium battery group |
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| CN204666702U true CN204666702U (en) | 2015-09-23 |
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| CN201520209930.8U Active CN204666702U (en) | 2015-04-09 | 2015-04-09 | The voltage temperature collection device of lithium battery group |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646242A (en) * | 2016-09-14 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | Battery pack collection device, battery pack and semi-finished product of collection device |
| CN107271920A (en) * | 2017-07-25 | 2017-10-20 | 北方奥钛纳米技术有限公司 | Voltage temperature gathers structure and cell apparatus |
| CN107658510A (en) * | 2017-09-15 | 2018-02-02 | 凡甲电子(苏州)有限公司 | Connection component |
| CN107968173A (en) * | 2017-11-26 | 2018-04-27 | 合肥国盛电池科技有限公司 | A kind of lithium cell protecting device |
| CN107978812A (en) * | 2017-12-22 | 2018-05-01 | 珠海银隆电器有限公司 | Temperature of powered cell voltage acquisition plate |
-
2015
- 2015-04-09 CN CN201520209930.8U patent/CN204666702U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646242A (en) * | 2016-09-14 | 2017-05-10 | 宁德时代新能源科技股份有限公司 | Battery pack collection device, battery pack and semi-finished product of collection device |
| CN106646242B (en) * | 2016-09-14 | 2019-09-06 | 宁德时代新能源科技股份有限公司 | Battery pack collection device, battery pack and semi-finished product of collection device |
| CN107271920A (en) * | 2017-07-25 | 2017-10-20 | 北方奥钛纳米技术有限公司 | Voltage temperature gathers structure and cell apparatus |
| CN107658510A (en) * | 2017-09-15 | 2018-02-02 | 凡甲电子(苏州)有限公司 | Connection component |
| CN107968173A (en) * | 2017-11-26 | 2018-04-27 | 合肥国盛电池科技有限公司 | A kind of lithium cell protecting device |
| CN107978812A (en) * | 2017-12-22 | 2018-05-01 | 珠海银隆电器有限公司 | Temperature of powered cell voltage acquisition plate |
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| C14 | Grant of patent or utility model | ||
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