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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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
本实用新型揭示了一种锂电池组的电压温度采集装置，其中锂电池组包括电池管控器、电池盒及其内串联相接的若干个电池模块，相邻两电池模块螺接固定，特别地，该电压温度采集装置由PCB电芯采集板、温度传感器及采集连接器组成，其中电池盒顶面设有嵌槽和过孔，PCB电芯采集板固定于嵌槽中且对应过孔设有延伸入电池盒内并与电池模块的电芯电极螺接固定的采集端子，该温度传感器的采温端直连至PCB电芯采集板且输出信号连至电池管控器，该电池管控器的采集芯片通过采集连接器与PCB电芯采集板相连。应用本实用新型的电压温度采集装置，具有安装便捷、线束简洁、优化电池组布局、杜绝安全隐患等优点。
The utility model discloses a voltage and temperature acquisition device for a lithium battery pack, wherein the lithium battery pack includes a battery controller, a battery box and several battery modules connected in series within it, and two adjacent battery modules are screwed and fixed, especially , the voltage and temperature acquisition device is composed of a PCB cell acquisition board, a temperature sensor and an acquisition connector, wherein the top surface of the battery box is provided with a slot and a via hole, the PCB cell acquisition board is fixed in the slot and the corresponding via hole is provided with It extends into the battery box and is screwed with the cell electrode of the battery module to a fixed acquisition terminal. The temperature sampling end of the temperature sensor is directly connected to the PCB cell acquisition board and the output signal is connected to the battery controller. The acquisition of the battery controller The chip is connected to the PCB cell acquisition board through the acquisition connector. The application of the voltage and temperature acquisition device of the utility model has the advantages of convenient installation, simple wiring harness, optimized battery pack layout, and elimination of potential safety hazards.
Description
技术领域 technical field
本实用新型涉及一种电动车锂电池，尤其涉及一种应用于电动车动力锂电池的电压温度采集装置。 The utility model relates to an electric vehicle lithium battery, in particular to a voltage and temperature acquisition device applied to the electric vehicle power lithium battery.
背景技术 Background technique
随着电动车辆的迅速发展，国家对锂离子电池能源的要求越来越高，而电池管理系统就是锂离子电池的核心。 With the rapid development of electric vehicles, the country has higher and higher requirements for lithium-ion battery energy, and the battery management system is the core of lithium-ion batteries.
而作为电池管理系统核心技术之一的电压温度采集，目前在其采集芯片基本统一化的情况下，芯片外部与电芯本体连接的技术及方式，对于电池管理系统电压温度采集的准确性就显得很重要。 As one of the core technologies of the battery management system, the voltage and temperature acquisition is currently under the condition that its acquisition chips are basically unified. Very important.
目前，现有的温度电压采集均以线束结合端子锁至电芯表面的采集方式为主，安全性及可靠性没有保证，线束的整洁性难度较大。 At present, the existing temperature and voltage collection is mainly based on the collection method of the wire harness combined with the terminal lock to the surface of the battery cell. The safety and reliability are not guaranteed, and the cleanliness of the wire harness is relatively difficult.
因此，如何更好更准确的采集电芯电压、温度，成为衡量电池管理系统性能的一个重要指标。 Therefore, how to better and more accurately collect cell voltage and temperature has become an important indicator to measure the performance of the battery management system.
发明内容 Contents of the invention
鉴于上述现有技术存在的不足，本实用新型的目的是提出一种锂电池组的电压温度采集装置，解决锂电池系统电压温度采集的准确性问题。 In view of the deficiencies in the prior art above, the purpose of this utility model is to propose a voltage and temperature acquisition device for a lithium battery pack to solve the problem of the accuracy of the voltage and temperature acquisition of the lithium battery system.
本实用新型的目的将通过以下技术方案得以实现：锂电池组的电压温度采集装置，所述锂电池组包括电池管控器、电池盒及其内串联相接的若干个电池模块，相邻两电池模块螺接固定，其特征在于：所述电压温度采集装置由PCB电芯采集板、温度传感器及采集连接器组成，其中电池盒顶面设有嵌槽和过孔，所述PCB电芯采集板固定于嵌槽中且对应过孔设有延伸入电池盒内并与电池模块的电芯电极螺接固定的采集端子，所述温度传感器的采温端直连至PCB电芯采集板且输出信号连至电池管控器，所述电池管控器的采集芯片通过采集连接器与PCB电芯采集板相连。 The purpose of this utility model will be achieved through the following technical solutions: a voltage and temperature acquisition device for a lithium battery pack, the lithium battery pack includes a battery controller, a battery box and a number of battery modules connected in series in it, two adjacent batteries The module is screwed and fixed, and it is characterized in that: the voltage and temperature acquisition device is composed of a PCB battery acquisition board, a temperature sensor and an acquisition connector, wherein the top surface of the battery box is provided with embedded grooves and via holes, and the PCB battery acquisition board It is fixed in the embedded groove and the corresponding through hole is provided with an acquisition terminal extending into the battery box and screwed with the cell electrode of the battery module. The temperature collecting end of the temperature sensor is directly connected to the PCB cell acquisition board and outputs a signal Connect to the battery controller, the acquisition chip of the battery controller is connected to the PCB cell acquisition board through the acquisition connector.
进一步地，所述PCB电芯采集板为具韧性、表面绝缘涂覆的铜箔。 Further, the PCB cell collection board is copper foil with toughness and insulating coating on the surface.
进一步地，所述温度传感器为贴片式热敏电阻，且温度传感器的采温端直接焊连至电池盒外的PCB电芯采集板上。 Further, the temperature sensor is a chip thermistor, and the temperature collecting end of the temperature sensor is directly soldered to the PCB cell collecting board outside the battery box.
进一步地，所述温度传感器为过孔式热敏电阻，且温度传感器的采温端在电池盒内与采集端子一并固接至电芯电极。 Further, the temperature sensor is a through-hole thermistor, and the temperature collecting end of the temperature sensor is fixed to the cell electrode together with the collecting terminal in the battery box.
本实用新型技术方案应用实施后，相对传统的采集方式的显著效果为：安装方便，利用PCB板韧性好，表层绝缘层易处理的特点，直接锁至电芯表面，方便快捷；克服了传统采集线束长短参差不齐、无法统一线束标准的缺点，能够简洁线束，优化电池系统布局；有效杜绝了传统布线时被电芯夹破线束绝缘皮层带来的安全隐患。 After the application and implementation of the technical solution of the utility model, the remarkable effect compared with the traditional collection method is: easy installation, using the characteristics of good toughness of the PCB board and easy handling of the surface insulation layer, directly locking to the surface of the battery core, which is convenient and fast; overcomes the traditional collection method The length of the wire harness is uneven and the wire harness standard cannot be unified. It can simplify the wire harness and optimize the layout of the battery system. It effectively eliminates the potential safety hazard caused by the battery core breaking the insulation layer of the wire harness during traditional wiring.
附图说明 Description of drawings
图1是本实用新型锂电池组电压温度采集装置的结构示意图。 Fig. 1 is a schematic structural diagram of a lithium battery pack voltage and temperature acquisition device of the present invention.
具体实施方式 Detailed ways
以下便结合实施例附图，对本实用新型的具体实施方式作进一步的详述，以使本实用新型技术方案更易于理解、掌握。 The specific implementation of the utility model will be described in further detail below in conjunction with the accompanying drawings of the embodiments, so as to make the technical solution of the utility model easier to understand and grasp.
本实用新型研究者针对现有锂电池组温度电压采集方面的诸多弊端，潜心研究并提出了一种锂电池系统的电压温度采集装置，解决锂电池系统电压温度采集的准确性问题。 Aiming at many drawbacks of the existing lithium battery pack temperature and voltage acquisition, the researchers of the utility model devoted themselves to research and proposed a voltage and temperature acquisition device for the lithium battery system to solve the problem of the accuracy of the voltage and temperature acquisition of the lithium battery system.
如图1所示的实施例附图来理解本实用新型锂电池组的电压温度采集装置的技术方案。从常规结构来看该锂电池组1包括电池管控器12、电池盒11及其内串联相接的若干个电池模块（未图示），而且相邻两电池模块螺接固定。作为特征的结构改进，该电压温度采集装置由PCB电芯采集板21、温度传感器22及采集连接器23组成。其中电池盒11顶面设有嵌槽和过孔，上述PCB电芯采集板21固定于嵌槽中且对应过孔设有延伸入电池盒内并与电池模块的电芯电极螺接固定的采集端子（未图示），而温度传感器22的采温端直连至PCB电芯采集板且输出信号连至电池管控器12，电池管控器12的采集芯片通过采集连接器23与PCB电芯采集板21相连。需要说明的是，上述PCB电芯采集板，需按照现有电池模块尺寸及电池管理系统对于电池模块电压、温度采集要求，设计相应过孔尺寸、电芯采集点数量以及铜箔厚度。 The accompanying drawing of the embodiment shown in Fig. 1 is used to understand the technical solution of the voltage and temperature acquisition device of the lithium battery pack of the present invention. From the perspective of the conventional structure, the lithium battery pack 1 includes a battery controller 12, a battery box 11 and several battery modules (not shown) connected in series therein, and two adjacent battery modules are screwed and fixed. As a characteristic structural improvement, the voltage and temperature acquisition device is composed of a PCB cell acquisition board 21 , a temperature sensor 22 and an acquisition connector 23 . Among them, the top surface of the battery box 11 is provided with a slot and a via hole, and the above-mentioned PCB cell collection board 21 is fixed in the slot and the corresponding via hole is provided with a collection panel extending into the battery box and screwed to the cell electrode of the battery module. terminals (not shown), and the temperature collection terminal of the temperature sensor 22 is directly connected to the PCB cell acquisition board and the output signal is connected to the battery controller 12. Plate 21 is connected. It should be noted that the above-mentioned PCB cell collection board needs to design the corresponding via hole size, number of cell collection points, and copper foil thickness according to the existing battery module size and the battery management system's battery module voltage and temperature collection requirements.
更细化地来看，上述PCB电芯采集板21为具一定韧性、表面绝缘涂覆的铜箔。利用PCB板韧性好的特征锁于电芯表面，通过铜箔连至采集连接器及电池管理系统（即电池管控器），实现电压采集功能。同时温度传感器焊接至PCB电芯采集板表面，相当于也锁于电芯电极，继而连至采集连接器及电池管理系统，实现温度采集功能。 In more detail, the above-mentioned PCB cell collection board 21 is a copper foil with a certain toughness and an insulating coating on the surface. Utilize the good toughness of the PCB board to lock on the surface of the battery cell, and connect to the collection connector and battery management system (ie battery controller) through copper foil to realize the voltage collection function. At the same time, the temperature sensor is welded to the surface of the PCB cell acquisition board, which is equivalent to being locked on the cell electrode, and then connected to the acquisition connector and the battery management system to realize the temperature acquisition function.
作为上述方案的可选实施方式，该温度传感器可以是贴片式热敏电阻，且温度传感器的采温端直接焊连至电池盒外的PCB电芯采集板上。数个分布的贴片式热敏电阻，即可准确反应电池组各个位置的温度情况。 As an optional implementation of the above solution, the temperature sensor can be a chip thermistor, and the temperature sampling end of the temperature sensor is directly soldered to the PCB cell acquisition board outside the battery box. Several distributed chip thermistors can accurately reflect the temperature of each position of the battery pack.
再者，上述温度传感器也可以是过孔式热敏电阻，且温度传感器的采温端在电池盒内与采集端子一并固接至电芯电极。由此，对电池盒内电池模块的直接温度采集能大幅提升锂电池组温度的准确监控。 Furthermore, the above-mentioned temperature sensor may also be a through-hole thermistor, and the temperature-collecting end of the temperature sensor is fixedly connected to the electrode of the battery cell together with the collecting terminal in the battery box. Therefore, the direct temperature acquisition of the battery modules in the battery box can greatly improve the accurate monitoring of the temperature of the lithium battery pack.
综上结合附图的实施例描述可见，应用实施本实用新型技术方案后，相对传统采集方式的显著效果为：安装方便，利用PCB板韧性好，表层绝缘层易处理的特点，直接锁至电芯表面，方便快捷；克服了传统采集线束长短参差不齐、无法统一线束标准的缺点，能够简洁线束，优化电池系统布局；有效杜绝了传统布线时被电芯夹破线束绝缘皮层带来的安全隐患。 In summary, it can be seen from the description of the embodiments in conjunction with the accompanying drawings that after applying the technical solution of the utility model, the significant effect compared with the traditional collection method is: easy installation, using the characteristics of good toughness of the PCB board and easy handling of the surface insulation layer, directly locked to the electric The surface of the core is convenient and fast; it overcomes the shortcomings of the traditional collection wire harness of uneven length and the inability to unify the wire harness standard, which can simplify the wire harness and optimize the layout of the battery system; effectively eliminate the safety caused by the traditional wiring harness being pinched by the battery core and breaking the insulation layer of the wire harness Hidden danger.
除上述实施例外，本实用新型还可以有其它实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本实用新型所要求保护的范围之内。 In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
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| CN201520209930.8U 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 not_active Expired - Lifetime
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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