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CN103149537A - Method for protecting voltaic pile in vanadium cell test process - Google Patents

Method for protecting voltaic pile in vanadium cell test process Download PDF

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Publication number
CN103149537A
CN103149537A CN2013100444116A CN201310044411A CN103149537A CN 103149537 A CN103149537 A CN 103149537A CN 2013100444116 A CN2013100444116 A CN 2013100444116A CN 201310044411 A CN201310044411 A CN 201310044411A CN 103149537 A CN103149537 A CN 103149537A
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vanadium
vanadium battery
management system
battery
charge
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CN2013100444116A
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CN103149537B (en
Inventor
陈晖�
冯兴梅
刘欣
程佳
刘建国
严川伟
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Institute of Metal Research of CAS
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Institute of Metal Research of CAS
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Abstract

本发明涉及钒电池领域,具体为一种钒电池测试过程中保护电池堆的方法。由于钒电池管理系统和充放电测试仪之间是独立工作的关系,而现有充放电测试仪的软硬件已固定,软硬件升级存在高成本的问题,该解决方案为在钒电池堆和充放电测试仪之间加一个接触器,该接触器由电池管理系统控制通断。正常充电过程下,该接触器一直处于闭合状态;当钒电池管理系统检测到钒电池侧或电气部分出现故障而停止钒电池侧的循环泵运行,而此时充放电测试仪并没有停止对电池的充电,那么钒电池管理系统可以通过检测对电池的充电电流,只要充电电流在限定时间内持续不等于0,则电池管理系统自动断开钒电池与充放电测试仪之间的电路,起到保护钒电池堆的功能。

The invention relates to the field of vanadium batteries, in particular to a method for protecting battery stacks during testing of vanadium batteries. Due to the independent working relationship between the vanadium battery management system and the charge and discharge tester, and the software and hardware of the existing charge and discharge tester have been fixed, there is a problem of high cost in upgrading the software and hardware. A contactor is added between the discharge testers, and the contactor is turned on and off by the battery management system. During the normal charging process, the contactor is always in the closed state; when the vanadium battery management system detects that the vanadium battery side or the electrical part is faulty, it stops the circulation pump on the vanadium battery side, but at this time the charge and discharge tester does not stop testing the battery. charging, then the vanadium battery management system can detect the charging current of the battery, as long as the charging current is not equal to 0 within the limited time, the battery management system will automatically disconnect the circuit between the vanadium battery and the charge-discharge tester to play a role Protect the function of the vanadium battery stack.

Description

A kind of method of protection battery pile in vanadium cell test process
Technical field
The present invention relates to the vanadium cell field, be specially the method for protection battery pile in a kind of vanadium cell test process, be applicable to the defencive function solution in the vanadium cell test process.
Background technology
Existing vanadium cell charging-discharge tester system comprises vanadium cell heap, vanadium cell management system and charge-discharge test instrument.The vanadium cell management system is responsible for monitoring and the warning of flow, temperature, pressure, liquid level of ebullator on off control and electrolyte of vanadium redox battery etc., and this system can come Monitoring and Controlling by upper computer software or switch board touch-screen.The charge-discharge test instrument is responsible for the control that discharges and recharges to battery pile, and its parameter arranges and controls and realized by host computer.The electric mutual independence of vanadium cell management system and charge-discharge test instrument.The problem that exists like this is exactly, and when the vanadium cell management system monitors vanadium cell side or vanadium cell management system switch board electric part and has fault, can stop the pump operating cycle of vanadium cell side; If this moment, the charge-discharge test instrument still charged to vanadium cell, just just to the charging of the part remaining liq in battery pile, can vanadium cell is burnt in a heap bad, consequence is more serious.And the hardware of charge-discharge test instrument is fixing, if the hardware that increases between battery management system and charge-discharge test instrument connects, software and hardware all need be revised, and cost is higher, and needs some cycles.
Summary of the invention
The consistance of battery charging and discharging being controlled in order to make up existing vanadium cell management system and charge-discharge test instrument the object of the present invention is to provide a kind of protect battery pile in vanadium cell test process method, guarantees that the performance of vanadium cell heap own is not damaged.
Technical solution problem of the present invention adopts following technical scheme:
In a kind of vanadium cell test process, the method for protection battery pile, comprise the steps:
(1) on manufacture craft, add a contactor in former vanadium cell charging-discharge tester system, the main contacts of this contactor is connected between vanadium cell heap and charge-discharge test instrument, its auxiliary contact open and close situation and are detected by the vanadium cell management system, and the dead electricity that gets of its coil is controlled by the vanadium cell management system;
(2) on control method, after the vanadium cell management system is responsible for ebullator is started operation, automatically that the contactor between vanadium cell heap and charge-discharge test instrument is closed; When the charge-discharge test instrument does not stop battery being charged unless ebullator stops, automatically contactor being disconnected by the vanadium cell management system, this contactor of other situations is kept closed always;
Thereby, in the vanadium cell charging process, when the battery side ebullator is out of service, prevent that the charge-discharge test instrument still charges to vanadium cell.
The method of protection battery pile in described vanadium cell test process; detect that there are fault in vanadium cell side or vanadium cell management system switch board electric part and the pump operating cycle that stops the vanadium cell side for the vanadium cell management system; and because vanadium cell management system and charge-discharge test instrument work alone mutually; if this moment, the charge-discharge test instrument still can damage the vanadium cell heap to the vanadium cell charging; so add a contactor between charge-discharge test instrument and vanadium cell; when above-mentioned situation occurring, this contactor is controlled by battery management system and is disconnected.
The method of protection battery pile in described vanadium cell test process when the vanadium cell management system monitors vanadium cell side or vanadium cell management system switch board electric part and has fault, can stop the pump operating cycle of vanadium cell side; This moment, the charge-discharge test instrument still charged to vanadium cell, by the charging current of vanadium cell management system monitoring charge-discharge test instrument to the vanadium cell heap, if this electric current is not 0 within the time that limits always, and under ebullator condition out of service, disconnected by vanadium cell management system control contactor main contacts, with the circuit disconnection of charge-discharge test instrument and vanadium cell heap.
The method of protection battery pile in described vanadium cell test process, this contactor plays the function of in particular cases protecting the vanadium cell heap described on the one hand, has guaranteed on the other hand to avoid under normal circumstances its frequent break-make.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, process is simple, convenient.In the vanadium cell charging process, when the battery side ebullator is out of service, prevent that the solution that the charge-discharge test instrument still charges to vanadium cell from being: need to add a reliably middle connecting device (contactor) on hardware between charge-discharge test instrument and vanadium cell heap; Only need vanadium cell management system disconnection contactor when the out of service and charge-discharge test instrument of ebullator does not stop vanadium cell charge on software, all guarantee under normal circumstances the closure state of contactor.
2, one aspect of the present invention has played the function of in particular cases protecting the vanadium cell heap, has guaranteed on the other hand to avoid under normal circumstances its frequent break-make.
Description of drawings
Fig. 1 is the system diagram of vanadium cell charging-discharge tester system of the present invention.
Embodiment
Detect that there are fault in vanadium cell side or vanadium cell management system switch board electric part and the pump operating cycle that stops the vanadium cell side for the vanadium cell management system, and because vanadium cell management system and charge-discharge test instrument work alone mutually, if this moment, the charge-discharge test instrument still can damage the problem of vanadium cell heap to the vanadium cell charging.So, add a contactor between charge-discharge test instrument and vanadium cell, when above-mentioned situation occurring, this contactor is controlled by battery management system and is disconnected.
When the vanadium cell management system monitors vanadium cell side or vanadium cell management system switch board electric part and has fault, can stop the pump operating cycle of vanadium cell side; This moment, the charge-discharge test instrument still charged to vanadium cell, by the charging current of vanadium cell management system monitoring charge-discharge test instrument to the vanadium cell heap, if this electric current is not 0 within the time that limits always, and under ebullator condition out of service, disconnected by vanadium cell management system control contactor main contacts, with the circuit disconnection of charge-discharge test instrument and vanadium cell heap.
As shown in Figure 1, the method for protection battery pile in vanadium cell test process of the present invention, concrete steps are as follows:
1, processing technology.Only need on hardware to add a contactor between charge-discharge test instrument and vanadium cell heap.
2, software implementation method.Only need the vanadium cell management system not disconnect contactor on software when the out of service and charge-discharge test instrument of ebullator stops vanadium cell being discharged and recharged, all guarantee under normal circumstances the closure state of contactor.
Result shows, the present invention is in the vanadium cell charging process, and the battery side ebullator prevents the solution that the charge-discharge test instrument still charges to vanadium cell when out of service.Owing to being the relation that works alone between vanadium cell management system and charge-discharge test instrument, and the software and hardware of existing charge-discharge test instrument is fixing, there is expensive problem in the software and hardware upgrading, this solution is for adding a contactor between vanadium cell heap and charge-discharge test instrument, this contactor is controlled break-make by battery management system.Charge normal under process, this contactor is in closure state always; When the vanadium cell management system detects that vanadium cell side or electric part break down and the pump operating cycle that stops the vanadium cell side, and this moment, the charge-discharge test instrument did not stop charging to battery, the vanadium cell management system can be by detecting the charging current to battery so, need only charging current and continue to be not equal to 0 in limiting time, the circuit between battery management system automatic cutout vanadium cell and charge-discharge test instrument.This solution has been protected vanadium cell, is a kind of necessary for the charging system of vanadium cell.

Claims (4)

1.一种钒电池测试过程中保护电池堆的方法,其特征在于,包括如下步骤:1. A method for protecting a battery stack in a vanadium battery testing process, characterized in that, comprising the steps: (1)在制作工艺上,在原钒电池充放电测试系统中添加一个接触器,该接触器的主触点连接在钒电池堆和充放电测试仪之间,其辅助触点开闭情况由钒电池管理系统检测,其线圈的得失电由钒电池管理系统控制;(1) In the production process, a contactor is added to the original vanadium battery charge and discharge test system. The main contact of the contactor is connected between the vanadium battery stack and the charge and discharge tester. The opening and closing of the auxiliary contact is determined by the vanadium battery. The battery management system detects that the power gain and loss of the coil is controlled by the vanadium battery management system; (2)在控制方法上,钒电池管理系统负责将循环泵启动运行后,自动将钒电池堆和充放电测试仪之间的接触器闭合;除非循环泵停止而充放电测试仪未停止对电池充电时,由钒电池管理系统自动将接触器断开,其他情况该接触器一直保持闭合状态;(2) In terms of control method, the vanadium battery management system is responsible for automatically closing the contactor between the vanadium battery stack and the charge and discharge tester after the circulation pump is started; unless the circulation pump stops and the charge and discharge tester does not stop the battery When charging, the vanadium battery management system automatically disconnects the contactor, and the contactor remains closed in other cases; 从而,在钒电池充电过程中,电池侧循环泵已停止运行时,防止充放电测试仪依旧对钒电池进行充电。Therefore, during the charging process of the vanadium battery, when the circulation pump on the battery side has stopped running, the charge and discharge tester is prevented from still charging the vanadium battery. 2.按照权利要求1所述的钒电池测试过程中保护电池堆的方法,其特征在于,针对钒电池管理系统检测到钒电池侧或钒电池管理系统控制柜电气部分存在故障而停止钒电池侧的循环泵运行,而由于钒电池管理系统和充放电测试仪互相独立工作,倘若此时充放电测试仪依旧对钒电池充电会损坏钒电池堆,所以在充放电测试仪和钒电池之间加一个接触器,当出现上述情况时,该接触器由电池管理系统控制断开。2. according to the method for protecting battery stack in the vanadium battery testing process of claim 1, it is characterized in that, detect vanadium battery side or vanadium battery management system control cabinet electrical part to have fault and stop vanadium battery side at the vanadium battery management system The circulating pump is running, and because the vanadium battery management system and the charge-discharge tester work independently, if the charge-discharge tester is still charging the vanadium battery at this time, it will damage the vanadium battery stack. A contactor, when the above situation occurs, the contactor is controlled by the battery management system to disconnect. 3.按照权利要求1所述的钒电池测试过程中保护电池堆的方法,其特征在于,当钒电池管理系统监测到钒电池侧或钒电池管理系统控制柜电气部分存在故障时,会停止钒电池侧的循环泵运行;此时充放电测试仪依旧对钒电池充电,由钒电池管理系统监测充放电测试仪对钒电池堆的充电电流,如果该电流在限定的时间内一直不为0,且循环泵已停止运行的条件下,则由钒电池管理系统控制接触器主触点断开,将充放电测试仪和钒电池堆的电路断开。3. according to the method for protecting battery stack in the vanadium battery testing process described in claim 1, it is characterized in that, when the vanadium battery management system monitors the vanadium battery side or the vanadium battery management system control cabinet electrical part when there is a fault, it will stop the vanadium battery The circulating pump on the battery side is running; at this time, the charge and discharge tester is still charging the vanadium battery, and the vanadium battery management system monitors the charging current of the charge and discharge tester to the vanadium battery stack. If the current is not 0 within the limited time, And under the condition that the circulating pump has stopped running, the main contact of the contactor is controlled by the vanadium battery management system to disconnect, and the circuit of the charge and discharge tester and the vanadium battery stack is disconnected. 4.按照权利要求1所述的钒电池测试过程中保护电池堆的方法,其特征在于,该接触器一方面起到在所述特殊情况下保护钒电池堆的功能,另一方面保证了正常情况下避免其频繁通断。4. according to the method for protecting the battery stack in the vanadium battery testing process of claim 1, it is characterized in that, the contactor plays the function of protecting the vanadium battery stack under the special circumstances on the one hand, and on the other hand ensures the normal Avoid its frequent on and off under certain circumstances.
CN201310044411.6A 2013-02-04 2013-02-04 The method of battery pile is protected in a kind of vanadium cell test process Expired - Fee Related CN103149537B (en)

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CN102759712A (en) * 2011-04-29 2012-10-31 比亚迪股份有限公司 Battery testing device and testing method thereof
US20120313560A1 (en) * 2010-02-08 2012-12-13 Fortu Intellectual Property Ag High-current battery system and method for controlling a high-current battery system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6154012A (en) * 1999-10-13 2000-11-28 Xicor, Inc. Gas gauge implementation
CN1755385A (en) * 2004-09-29 2006-04-05 三美电机株式会社 Overcharge/overdischarge detection apparatus, overcharge/overdischarge detection circuit, and semiconductor apparatus
CN201113411Y (en) * 2007-09-21 2008-09-10 深圳市比克电池有限公司 battery protection device
WO2010138951A2 (en) * 2009-05-28 2010-12-02 Deeya Energy, Inc. Control system for a flow cell battery
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