CN204439792U - High-power lithium battery fender detector - Google Patents

High-power lithium battery fender detector Download PDF

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Publication number
CN204439792U
CN204439792U CN201520057606.9U CN201520057606U CN204439792U CN 204439792 U CN204439792 U CN 204439792U CN 201520057606 U CN201520057606 U CN 201520057606U CN 204439792 U CN204439792 U CN 204439792U
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detection circuit
circuit
lithium battery
controller
protection board
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李辉
宣善俊
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WUHU SANMU ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
Anhui Normal University
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WUHU SANMU ELECTRONIC SCIENCE & TECHNOLOGY Co Ltd
Anhui Normal University
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Abstract

本实用新型涉及电气设备技术领域,具体地说是一种大功率锂电池保护板检测仪,其特征在于控制器分别与充电检测电路、放电检测电路、报警电路相连接,所述充电检测电路包括电流检测回路、电压检测回路,所述放电检测电路设有负载电阻、电流检测回路、电压检测回路,负载电阻串联在电流检测回路中,电压检测回路并联在负载电阻两端,本实用新型各项参数以及检测标准可以通过RS232通信接口电路以及参数设置电路随时更新、设置,能够适用于多种型号的锂电池组产品的检测,能够有效提高产品出厂检测效率,节省检测环节,降低工作人员劳动强度,具有结构合理、操作简便等显著的优点。

The utility model relates to the technical field of electrical equipment, in particular to a high-power lithium battery protection board detector, which is characterized in that a controller is connected to a charging detection circuit, a discharge detection circuit and an alarm circuit respectively, and the charging detection circuit includes A current detection circuit and a voltage detection circuit, the discharge detection circuit is provided with a load resistance, a current detection circuit, and a voltage detection circuit, the load resistance is connected in series in the current detection circuit, and the voltage detection circuit is connected in parallel at both ends of the load resistance. Parameters and detection standards can be updated and set at any time through the RS232 communication interface circuit and parameter setting circuit, which can be applied to the detection of various types of lithium battery pack products, can effectively improve the efficiency of product factory inspection, save inspection links, and reduce the labor intensity of staff , has the obvious advantages of reasonable structure and easy operation.

Description

大功率锂电池保护板检测仪High-power lithium battery protection board tester

技术领域:Technical field:

本实用新型涉及电气设备技术领域,具体地说是一种结构合理、操作简便,能够实现对锂电池保护电路进行双向自检的高精度大功率锂电池保护板检测仪。The utility model relates to the technical field of electrical equipment, in particular to a high-precision and high-power lithium battery protection board detector with reasonable structure and simple operation, which can realize bidirectional self-inspection for lithium battery protection circuits.

背景技术:Background technique:

随着能源危机日益严重,作为清洁能源的电能得到越来越多的青睐,采用电能提供动力的电动工具、电动汽车等的发展要求蓄电池具有更高的续航能力,各类蓄电池中,锂电池以其高比能量、长循环寿命、无记忆效应等特点备受厂家青睐,成为动力电池研究热点之一。锂电池内部结构以及充放电化学反应复杂,作为动力电源来使用时不能承受过充过放,为了获得较高的输出电压,往往将多个单体锂电池串联后使用,多个单体锂电池在充放电过程中难以均衡,个体差异越大整个电池组的使用寿命愈短,为了解决这个问题,需要为锂电池组配备相关的保护电路,一方面防止过充过放,另一方面完成对多个单体锂电池的均衡处理,提高电池组整体的续航能力。目前锂电池保护板一般随锂电池组一起出售,在产品出厂前对其进行可靠的检测,是保证产品合格率的有效手段,现阶段对于锂电池保护板等部件的检测采用普通电压表电流表等设备实现,操作复杂,效率低,无法满足生产需要。With the increasingly severe energy crisis, electric energy as a clean energy source is gaining more and more favor. The development of electric tools and electric vehicles powered by electric energy requires batteries to have higher battery life. Among all kinds of batteries, lithium batteries are Its high specific energy, long cycle life, and no memory effect are favored by manufacturers, and it has become one of the research hotspots of power batteries. The internal structure of lithium batteries and the chemical reactions of charge and discharge are complex. When used as a power source, they cannot withstand overcharge and overdischarge. In order to obtain a higher output voltage, multiple single lithium batteries are often used in series. Multiple single lithium batteries It is difficult to balance in the process of charging and discharging. The greater the individual differences, the shorter the service life of the entire battery pack. In order to solve this problem, it is necessary to equip the lithium battery pack with related protection circuits. The balanced treatment of multiple single lithium batteries improves the overall endurance of the battery pack. At present, the lithium battery protection board is generally sold together with the lithium battery pack. Reliable testing of the product before it leaves the factory is an effective means to ensure the product qualification rate. At this stage, ordinary voltmeters, ammeters, etc. are used for the detection of lithium battery protection boards and other components. The equipment is realized, the operation is complicated, the efficiency is low, and it cannot meet the production needs.

发明内容:Invention content:

本实用新型针对现有技术中存在的缺点和不足,提出了一种结构合理、操作简便,能够实现对锂电池保护电路进行双向自检的高精度大功率锂电池保护板检测仪。Aiming at the shortcomings and deficiencies in the prior art, the utility model proposes a high-precision and high-power lithium battery protection board detector with reasonable structure, easy operation, and the ability to realize bidirectional self-inspection of the lithium battery protection circuit.

本实用新型通过以下措施达到:The utility model reaches through the following measures:

一种大功率锂电池保护板检测仪,设有电源、控制器、充电检测电路、放电检测电路、报警电路,电源分别与控制器、充电检测电路相连接,其特征在于控制器分别与充电检测电路、放电检测电路、报警电路相连接,所述充电检测电路包括电流检测回路、电压检测回路,所述放电检测电路设有负载电阻、电流检测回路、电压检测回路,负载电阻串联在电流检测回路中,电压检测回路并联在负载电阻两端。A high-power lithium battery protection board tester is equipped with a power supply, a controller, a charging detection circuit, a discharge detection circuit, and an alarm circuit. The power supply is connected to the controller and the charging detection circuit respectively, and is characterized in that the Circuit, discharge detection circuit, and alarm circuit are connected, and the charging detection circuit includes a current detection circuit and a voltage detection circuit. The discharge detection circuit is provided with a load resistance, a current detection circuit, and a voltage detection circuit, and the load resistance is connected in series with the current detection circuit. , the voltage detection circuit is connected in parallel across the load resistor.

本实用新型所述报警电路设有声光报警器,用于当电流、电压出现异常时向外输出报警信号。The alarm circuit of the utility model is provided with an audible and visual alarm, which is used to output an alarm signal when the current and voltage are abnormal.

本实用新型还设有与控制器相连接的RS232通信接口电路,用于与外部上位机完成数据交换。The utility model is also provided with an RS232 communication interface circuit connected with the controller, which is used to complete data exchange with an external upper computer.

本实用新型所述控制器中设有微控芯片,微控芯片采用DSP处理器,用于完成对装置内各电路工作状态的控制。The controller of the utility model is provided with a micro-control chip, and the micro-control chip adopts a DSP processor to control the working state of each circuit in the device.

本实用新型还设有与控制器相连接的参数设置电路、显示输出电路、控制按键、显示屏,其中控制按键的输入端与参数设置电路相连接,显示输出电路的输出端与显示屏相连接。The utility model is also provided with a parameter setting circuit connected with the controller, a display output circuit, a control key, and a display screen, wherein the input end of the control key is connected with the parameter setting circuit, and the output end of the display output circuit is connected with the display screen .

本实用新型进一步还设有蓝牙通信电路,采用BRF6100,蓝牙通信电路与控制器中的DSP处理器相连接,用于完成对检测参数的无线上传。The utility model is further equipped with a bluetooth communication circuit, adopts BRF6100, the bluetooth communication circuit is connected with the DSP processor in the controller, and is used for completing wireless uploading of detection parameters.

本实用新型在使用时,可以完成对锂电池保护板在锂电池组充放电状态下的双向自检,其中对于充电状态下锂电池保护板的检测过程如下:将充电检测电路与待检测的锂电池保护板相连接,由于本装置中直接带有电源,通过电源为充电检测电路供电,可以检测到锂电池保护板中的过流保护电路、过压保护电路的通断状态以及其工作状态下的电流电压值,当电流值过高,默认锂电池保护板存在短路问题,报警电路向外报警;对于放电状态下的锂电池保护板的检测过程如下:将放电检测电路与待检测的锂电池保护板相连接,此时通过锂电池组对锂电池保护板进行供电,由于本装置内设有负载电阻,能够充分模拟锂电池组放电的状态,此时通过电流检测回路和电压检测回路,可以获得锂电池保护板中相关电路的通断状态以及工作参数,所获参数均可以由控制器中的DSP处理器上传至上位机并通过显示屏输出,使产品测试人员能够快速直观的了解产品状态,提高产品出厂检测效率。When the utility model is in use, it can complete the bidirectional self-inspection of the lithium battery protection board in the charging and discharging state of the lithium battery pack, wherein the detection process of the lithium battery protection board in the charging state is as follows: connect the charging detection circuit with the lithium battery to be detected The battery protection board is connected. Since the device directly has a power supply, the charging detection circuit is powered by the power supply, and the on-off status of the over-current protection circuit and over-voltage protection circuit in the lithium battery protection board can be detected, as well as its working state. When the current value is too high, the default lithium battery protection board has a short circuit problem, and the alarm circuit will alarm to the outside; the detection process of the lithium battery protection board in the discharge state is as follows: connect the discharge detection circuit with the lithium battery to be detected The protection board is connected to each other. At this time, the lithium battery pack is used to supply power to the lithium battery protection board. Since the device is equipped with a load resistor, it can fully simulate the discharge state of the lithium battery pack. At this time, the current detection circuit and the voltage detection circuit can be used. Obtain the on-off status and working parameters of the relevant circuits in the lithium battery protection board. The obtained parameters can be uploaded to the host computer by the DSP processor in the controller and output through the display screen, so that product testers can quickly and intuitively understand the product status , Improve the efficiency of product factory inspection.

本实用新型各项参数以及检测标准可以通过RS232通信接口电路以及参数设置电路随时更新、设置,能够适用于多种型号的锂电池组产品的检测,能够有效提高产品出厂检测效率,节省检测环节,降低工作人员劳动强度,具有结构合理、操作简便等显著的优点。The parameters and detection standards of the utility model can be updated and set at any time through the RS232 communication interface circuit and the parameter setting circuit. It reduces the labor intensity of the staff, and has obvious advantages such as reasonable structure and easy operation.

附图说明:Description of drawings:

附图1是本实用新型的结构框图。Accompanying drawing 1 is a block diagram of the utility model.

附图标记:电源1、控制器2、充电检测电路3、放电检测电路4、报警电路5、RS232通信接口电路6、参数设置电路7、显示输出电路8、控制按键9、显示屏10、蓝牙通信电路11。Reference signs: power supply 1, controller 2, charging detection circuit 3, discharge detection circuit 4, alarm circuit 5, RS232 communication interface circuit 6, parameter setting circuit 7, display output circuit 8, control buttons 9, display screen 10, bluetooth communication circuit 11.

具体实施方式:Detailed ways:

下面结合附图对本实用新型作进一步的说明。Below in conjunction with accompanying drawing, the utility model is further described.

如附图1所示,本实用新型提出了一种大功率锂电池保护板检测仪,设有电源1、控制器2、充电检测电路3、放电检测电路4、报警电路5,电源1分别与控制器2、充电检测电路3相连接,其特征在于控制器2分别与充电检测电路3、放电检测电路4、报警电路5相连接,所述充电检测电路3包括电流检测回路、电压检测回路,所述放电检测电路4设有负载电阻、电流检测回路、电压检测回路,负载电阻串联在电流检测回路中,电压检测回路并联在负载电阻两端。As shown in accompanying drawing 1, the utility model proposes a kind of high-power lithium battery protective board tester, is provided with power supply 1, controller 2, charge detection circuit 3, discharge detection circuit 4, alarm circuit 5, power supply 1 and respectively The controller 2 and the charging detection circuit 3 are connected, and it is characterized in that the controller 2 is connected with the charging detection circuit 3, the discharge detection circuit 4, and the alarm circuit 5 respectively, and the charging detection circuit 3 includes a current detection circuit and a voltage detection circuit. The discharge detection circuit 4 is provided with a load resistor, a current detection loop, and a voltage detection loop. The load resistor is connected in series in the current detection loop, and the voltage detection loop is connected in parallel at both ends of the load resistor.

本实用新型所述报警电路5设有声光报警器,用于当电流、电压出现异常时向外输出报警信号。The alarm circuit 5 described in the utility model is provided with an audible and visual alarm, which is used to output an alarm signal when the current and voltage are abnormal.

本实用新型还设有与控制器2相连接的RS232通信接口电路6,用于与外部上位机完成数据交换。The utility model is also provided with an RS232 communication interface circuit 6 connected with the controller 2 for completing data exchange with an external host computer.

本实用新型所述控制器2中设有微控芯片,微控芯片采用DSP处理器,用于完成对装置内各电路工作状态的控制。The controller 2 of the utility model is provided with a micro-control chip, and the micro-control chip adopts a DSP processor to control the working state of each circuit in the device.

本实用新型还设有与控制器2相连接的参数设置电路7、显示输出电路8、控制按键9、显示屏10,其中控制按键9的输入端与参数设置电路7相连接,显示输出电路8的输出端与显示屏10相连接。The utility model is also provided with a parameter setting circuit 7 connected to the controller 2, a display output circuit 8, a control button 9, and a display screen 10, wherein the input end of the control button 9 is connected with the parameter setting circuit 7, and the display output circuit 8 The output terminal is connected with the display screen 10.

本实用新型进一步还设有蓝牙通信电路11,采用BRF6100,蓝牙通信电路11与控制器2中的DSP处理器相连接,用于完成对检测参数的无线上传。The utility model is further provided with a bluetooth communication circuit 11, adopts BRF6100, the bluetooth communication circuit 11 is connected with the DSP processor in the controller 2, and is used for completing wireless uploading of detection parameters.

本实用新型在使用时,可以完成对锂电池保护板在锂电池组充放电状态下的双向自检,其中对于充电状态下锂电池保护板的检测过程如下:将充电检测电路与待检测的锂电池保护板相连接,由于本装置中直接带有电源,通过电源为充电检测电路供电,可以检测到锂电池保护板中的过流保护电路、过压保护电路的通断状态以及其工作状态下的电流电压值,当电流值过高,默认锂电池保护板存在短路问题,报警电路向外报警;对于放电状态下的锂电池保护板的检测过程如下:将放电检测电路与待检测的锂电池保护板相连接,此时通过锂电池组对锂电池保护板进行供电,由于本装置内设有负载电阻,能够充分模拟锂电池组放电的状态,此时通过电流检测回路和电压检测回路,可以获得锂电池保护板中相关电路的通断状态以及工作参数,所获参数均可以由控制器中的DSP处理器上传至上位机并通过显示屏输出,使产品测试人员能够快速直观的了解产品状态,提高产品出厂检测效率。When the utility model is in use, it can complete the bidirectional self-inspection of the lithium battery protection board in the charging and discharging state of the lithium battery pack, wherein the detection process of the lithium battery protection board in the charging state is as follows: connect the charging detection circuit with the lithium battery to be detected The battery protection board is connected. Since the device directly has a power supply, the charging detection circuit is powered by the power supply, and the on-off status of the over-current protection circuit and over-voltage protection circuit in the lithium battery protection board can be detected, as well as its working state. When the current value is too high, the default lithium battery protection board has a short circuit problem, and the alarm circuit will alarm to the outside; the detection process of the lithium battery protection board in the discharge state is as follows: connect the discharge detection circuit with the lithium battery to be detected The protection board is connected to each other. At this time, the lithium battery pack is used to supply power to the lithium battery protection board. Since the device is equipped with a load resistor, it can fully simulate the discharge state of the lithium battery pack. At this time, the current detection circuit and the voltage detection circuit can be used. Obtain the on-off status and working parameters of the relevant circuits in the lithium battery protection board. The obtained parameters can be uploaded to the host computer by the DSP processor in the controller and output through the display screen, so that product testers can quickly and intuitively understand the product status , Improve the efficiency of product factory inspection.

本实用新型各项参数以及检测标准可以通过RS232通信接口电路以及参数设置电路随时更新、设置,能够适用于多种型号的锂电池组产品的检测,能够有效提高产品出厂检测效率,节省检测环节,降低工作人员劳动强度,具有结构合理、操作简便等显著的优点。The parameters and detection standards of the utility model can be updated and set at any time through the RS232 communication interface circuit and the parameter setting circuit. It reduces the labor intensity of the staff, and has obvious advantages such as reasonable structure and easy operation.

Claims (6)

1.一种大功率锂电池保护板检测仪,设有电源、控制器、充电检测电路、放电检测电路、报警电路,电源分别与控制器、充电检测电路相连接,其特征在于控制器分别与充电检测电路、放电检测电路、报警电路相连接,所述充电检测电路包括电流检测回路、电压检测回路,所述放电检测电路设有负载电阻、电流检测回路、电压检测回路,负载电阻串联在电流检测回路中,电压检测回路并联在负载电阻两端。1. A high-power lithium battery protection board detector is provided with a power supply, a controller, a charging detection circuit, a discharge detection circuit, and an alarm circuit, and the power supply is connected with the controller and the charging detection circuit respectively, and is characterized in that the controller is connected with the charging detection circuit respectively. A charge detection circuit, a discharge detection circuit, and an alarm circuit are connected, and the charge detection circuit includes a current detection circuit and a voltage detection circuit, and the discharge detection circuit is provided with a load resistance, a current detection circuit, and a voltage detection circuit, and the load resistance is connected in series with the current In the detection circuit, the voltage detection circuit is connected in parallel at both ends of the load resistance. 2.根据权利要求1所述的一种大功率锂电池保护板检测仪,其特征在于所述报警电路设有声光报警器。2. A high-power lithium battery protection board tester according to claim 1, characterized in that the alarm circuit is provided with an audible and visual alarm. 3.根据权利要求1所述的一种大功率锂电池保护板检测仪,其特征在于还设有与控制器相连接的RS232通信接口电路。3. A high-power lithium battery protection board tester according to claim 1, characterized in that it is also provided with an RS232 communication interface circuit connected to the controller. 4.根据权利要求1所述的一种大功率锂电池保护板检测仪,其特征在于所述控制器中设有微控芯片,微控芯片采用DSP处理器。4. A high-power lithium battery protection board tester according to claim 1, characterized in that said controller is provided with a micro-control chip, and the micro-control chip adopts a DSP processor. 5.根据权利要求1所述的一种大功率锂电池保护板检测仪,其特征在于还设有与控制器相连接的参数设置电路、显示输出电路、控制按键、显示屏,其中控制按键的输入端与参数设置电路相连接,显示输出电路的输出端与显示屏相连接。5. A high-power lithium battery protection board tester according to claim 1, characterized in that it is also provided with a parameter setting circuit connected to the controller, a display output circuit, a control button, and a display screen, wherein the control button The input end is connected with the parameter setting circuit, and the output end of the display output circuit is connected with the display screen. 6.根据权利要求1所述的一种大功率锂电池保护板检测仪,其特征在于还设有蓝牙通信电路,采用BRF6100,蓝牙通信电路与控制器中的DSP处理器相连接,用于完成对检测参数的无线上传。6. A kind of high-power lithium battery protection board tester according to claim 1, is characterized in that being also provided with bluetooth communication circuit, adopts BRF6100, and bluetooth communication circuit is connected with DSP processor in the controller, is used for completing Wireless upload of detection parameters.
CN201520057606.9U 2015-01-28 2015-01-28 High-power lithium battery fender detector Expired - Fee Related CN204439792U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105403825A (en) * 2015-12-31 2016-03-16 福建联迪商用设备有限公司 Rechargeable battery circuit intelligent test management system and method thereof
CN106208222A (en) * 2016-08-10 2016-12-07 合肥国盛电池科技有限公司 Many group lithium battery control devices
CN106405379A (en) * 2016-11-09 2017-02-15 浙江兴海能源科技股份有限公司 Lithium battery protective plate detection device and setting voltage method thereof
CN112285463A (en) * 2020-10-13 2021-01-29 安徽锐能科技有限公司 Test device, method and storage medium for lithium battery protection board

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105403825A (en) * 2015-12-31 2016-03-16 福建联迪商用设备有限公司 Rechargeable battery circuit intelligent test management system and method thereof
CN105403825B (en) * 2015-12-31 2018-04-10 福建联迪商用设备有限公司 A kind of rechargeable battery charging circuit intelligence test management system and its method
CN106208222A (en) * 2016-08-10 2016-12-07 合肥国盛电池科技有限公司 Many group lithium battery control devices
CN106405379A (en) * 2016-11-09 2017-02-15 浙江兴海能源科技股份有限公司 Lithium battery protective plate detection device and setting voltage method thereof
CN112285463A (en) * 2020-10-13 2021-01-29 安徽锐能科技有限公司 Test device, method and storage medium for lithium battery protection board

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