CN102156265A - Device and method for testing health state of battery - Google Patents

Device and method for testing health state of battery Download PDF

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CN102156265A
CN102156265A CN 201110063383 CN201110063383A CN102156265A CN 102156265 A CN102156265 A CN 102156265A CN 201110063383 CN201110063383 CN 201110063383 CN 201110063383 A CN201110063383 A CN 201110063383A CN 102156265 A CN102156265 A CN 102156265A
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battery
test
module
ro
testing
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CN102156265B (en )
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郭栋
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深圳市派司德科技有限公司
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Abstract

The invention relates to a device and a method for testing health state of a battery, wherein the device comprises a main control module and the following modules that are connected with the main control module: an input module, a discharging load module, a voltage/current/temperature signal collecting module and an output module. The method comprises the steps of correcting CCA (Common Communication Adapter) and calculating the reference internal resistance R0 of the tested battery according to the testing standard, the battery type and the environmental temperature; measuring the voltage change rate DV and the current change rate DI of the measured battery by conducting and disconnecting the discharging load (recovered); calculating the practical dynamic battery resistance R which is equal to DV/DI; calculating the state of charge of battery SOH that is equal to (R-R0)/R0; and outputting the testing result or corresponding testing prompt of the health state according to the battery voltage V and SOH. According to strict verification of discharge test, the estimation precision of the testing device and the testing method can achieve within 5%, can be repeatedly tested, do not need strict conditions, have high automation degree, and can meet the practical maintenance requirements of the battery.

Description

一种电池健康状态测试装置及其方法 A battery state of health of the test device and method

技术领域 FIELD

[0001] 本发明涉及电池维护,具体涉及一种电池健康状态SOH (STATE OF HEALTH)和荷电状态SOC (state of charge)测试装置及其方法。 [0001] The present invention relates to a battery maintenance, particularly relates to a battery state of health SOH (STATE OF HEALTH) and the state of charge SOC (state of charge) test apparatus and method.

背景技术 Background technique

[0002] 现有电池随着使用时间的增加,都会逐渐老化,其老化原因是电池极板的表面硫化、腐蚀,活性物质的脱落,这是绝大部分电池无法继续提供能量的主要原因。 [0002] With the increasing use of the existing battery time will aging, because the aging of the battery plate sulfide surface, corrosion, loss of active substance, which is the main battery can not continue to provide the majority of energy. 电池健康状态与荷电状态测试的目的就是通过对电池动态内阻的测试和开端电池的测试,来判断电池极板的表面情况和化学反应的能力,来推断电池的容量的尚失情况和电池的亏电情况,为电池的维护提供依据,包括以下标准: The battery state of charge and state of health of the test object is tested by the ability to test the battery and the beginning of the dynamic internal resistance of the battery to determine the battery chemistry and surface conditions of the plate, to infer the capacity of the battery case and the battery is still out the loss of electricity, and to provide the basis for the maintenance of the battery, including the following criteria:

㈠国际电工协会(IEEEl 118-1996 )规定当电池的容量下降到标称容量的80%电池即为落后,就需要更换电池,健康状态用表示S0H,其计算公式①为, SOH=(当前容量-标称容量)/标称容量 (I) The International Electrotechnical Commission (IEEEl 118-1996) specified when the battery capacity drops to 80% of the nominal capacity of the battery is the behind, you need to replace the battery, the health status denoted S0H, which is calculated as ①, SOH = (Current capacity - nominal capacity) / nominal capacity

㈡由于容量的测试方法耗时较长,国际电工协会在(IEEE1118-2005)规定“明显的电池内阻值变化(增加值大于30%)意味着电池的性能变坏),其计算公式②为, SOH=(当前的动态内阻值R-初始内阻值RO ) /初始内阻值RO 这正是有动态内阻法测试铅酸电池健康状态的依据; (Ii) Test Method The capacity of the time-consuming, in the International Electrotechnical Commission (IEEE1118-2005) a predetermined "significant change in the resistance of the battery (the added value of greater than 30%) means that the battery performance deteriorates), which is calculated ② , SOH = (resistance of the current dynamic R- initial internal resistance RO) / RO resistance value which is within the initial test lead-acid battery has a state of health based on dynamic resistance method;

㈢对广泛应用车辆、轮船和飞机等交通运输机械的启动电池来说,电池厂家没有给出电池在常温下的内阻参考值,无法直接运用IEEE1118-2005判断电池健康状态的标准。 (Iii) widely used in vehicles, ships and aircraft and other transportation machinery starting battery, the battery manufacturers do not give the battery internal resistance reference value at normal temperature, can not directly use the standard IEEE1118-2005 determine battery state of health. 一般给出的是每一测试标准下的冷启动电流值CCA(C0LD CRANK AMPARE),在规定的某一低温状态下(通常规定在0下或_18°C)蓄电池最大可以输出的电流值,这种方法显然不能在电池维护场合下来验证电池的技术状态。 Generally it is given under each test standard cold start current value CCA (C0LD CRANK AMPARE), at a predetermined low temperature (usually 0 or at a predetermined _18 ° C) the maximum value of the battery current can be output, this approach is obviously not the case down to maintain the battery state of the art authentication battery.

[0003] 另外启动电流值CCA作为衡量冷启动电池容量的最重要的性能指标,在启动电池的外壳上都标有依据不同的测试标准测试的该电池的冷启动电流。 [0003] Further CCA activation current value as the most important performance measure of battery capacity cold start, the housing starter battery are marked with different test standards according cold test current of the battery starts. 冷启动电流测试标准主要有国际汽车工程师协会标准(SAE),国际电池协会标准(BCI),德国标准(DIN),欧盟标准(IEC)和中国(GB)。 Cold start current testing standards are mainly international Society of Automotive Engineers standard (SAE), the International Battery Association standards (BCI), German standard (DIN), EU standards (IEC) and China (GB). 中国的CCA值的测试方法是,当电解液温为-18°C以下,连续给电池放电30s,其端电压应不低于7. 2伏特时的最大放电电流。 Test Method China CCA value is, when the electrolyte temperature is below -18 ° C, continuously discharging batteries 30s, which should not be less than the terminal voltage of 7.2 volts maximum discharge current. 该项试验允许进行3次,有1次达到即为合格。 Permitted for this test three times, has once reached is qualified. 在维护测试时必须把他们换算到同一标准测试值才有可比性。 When maintenance test must convert them to the same standard test only comparable value.

[0004] 另一方面,现有的电池技术状态测试方法包括以下几种: ㈠端电压测量法: [0004] On the other hand, the state of the prior art battery testing method comprising the following: (i) a terminal voltage measurement:

即通过用万用表测量蓄电池的端电压;再将端电压值换算成对应的荷电状态S0C,来判断蓄电池是否亏电,以普通12伏特蓄电池为例,S0C=[1-(12. 7-V)/l. 2] X 100%,具体对照如下表: I.e., by the multimeter to measure the terminal voltage of the battery; then converted into a voltage value corresponding to the state of charge S0C, determines whether the battery power loss, ordinary 12 volt batteries as an example, S0C = [1- (12 7-V. ) / l 2] X 100%, particularly control the following table:

电压值 11. 8 11. 9 12 12. 1 12. 2 12. 3 12. 4 12. 5 12. 6 12. 7荷电状态 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 11. The voltage value 11.8 912 12.1 12.2 12.3 12.4 12.5 12.6 12.7 the state of charge 10% 20% 30% 40% 50% 60% 70% 80% 90 % 100%

该方法的缺点在于电池的浮电荷会影响电压测试的精度,测得结果只能说明电池是否亏电,不能反映电池亏电的原因由于电池充电不足还是电池的尚失了存储电荷的能力,需要通过给电池充电再来验证,而充电的时间至少要3个小时,因此在蓄电池维护实践中,此方法不在使用; ㈡经验法: The disadvantage of this method is that the battery float voltage charge will affect the accuracy of the test, the results can only be measured by whether the battery power loss because the battery does not reflect the loss of electricity due to lack of battery charging or battery still lose the ability to store charge, need by charging the battery again verified, and the charging time for at least 3 hours, so battery maintenance practice, this method is not in use; (ii) empirical method:

即在启动发动机的瞬间,用万用表测试蓄电池两端电压跌落的最小值是否大于某一规定值,这种方法虽然可以排除蓄电池表面的浮电荷对电压测试值的影响,但是仍然判断不了,电池亏电的原因,需要进一步的验证,而且由于发动机的启动功率是随机型、使用年限和环境温度变化的,测试结果没有可比性; 曰放电法: I.e., the moment the engine is started, the battery voltage across a multimeter sag is greater than a specified minimum value, although this method can exclude the influence of the battery float voltage charged surface of the test values, but still not determined, the battery power loss electrical reasons, and needs further confirmation, but since the starting power of the engine is a random type, age and temperature changes, the test results are not comparable; said discharge method:

这是现在最常用的一种方法,就是用1/2的冷启动电流值给被测电池进行15秒钟的放电,放电的后的电压须大于9. 6伏特,但是它也有三个局限性,一是电池测试,必须先给电池充满电,二是不能反复测试,三是没有考虑电池类型放电能力的差异、不同的电池测试标准和测试的环境温度对测试结果的影响,因此若正确须要满足严格的放电试验条件和环境; This is now the most common method is to use a cold start of the discharge current value of 1/2 for 15 seconds to measured battery voltage must be greater than the discharge 9.6 volts, but it also has limitations three First, battery test, must give the battery is fully charged, the second is not repeated testing, the third is not considered differences in discharge capacity of the battery type, battery test the effect of different standards and testing of the ambient temperature of the test results, so if the right needs meet strict environmental and discharge test conditions;

㈣比重法: (Iv) the proportion of law:

就是通过测量电解液的比重判断电池的健康状态,这种方法不适合全密封的阀控式电池、胶体电池和卷心电池; ㈤内阻法: Is by measuring the specific gravity of the electrolyte determines the health status of the battery, this method is not suitable for valve-sealed batteries, gel batteries and battery winding core; v resistance law:

由于电池厂家没有给出电池在常温下的内阻参考值,无法直接运用IEEE1118-2005判断电池健康状态的标准,在启动类蓄电池上缺乏实用性。 Since the battery cell manufacturers do not give the value of the reference internal resistance at ordinary temperature, it can not be directly determined using standard IEEE1118-2005 the battery state of health, lack of practicality in the startup type batteries.

[0005] 目前,这些测试方法的测试装置简单或没有相应的自动测试装置或这样的装置被公开,且不能根据电池类型和环境温度进行修正,正确度低。 [0005] Currently, these test methods or test apparatus do not have the simple automatic test means or device such as are disclosed, and can not be corrected in accordance with the type of battery and the ambient temperature, a low accuracy. 针对方法㈢,主要属于试验室方法,但应用到实际电池维护具有严重局限性、也不准确,很难满足实际电池维护需要。 (Iii) method for the main part of the laboratory method, but applied to the actual battery maintenance has serious limitations, is not accurate, it is difficult to meet the actual battery maintenance needs.

发明内容 SUMMARY

[0006] 本发明需要解决的技术问题是,如何提供一种电池健康状态测试装置及其方法, 实现简单且精度较高,能满足实际电池维护需要。 [0006] The present invention technical problem to be solved is how to provide a battery state of health of the test apparatus and method, simple and high precision, and can meet the actual need for battery maintenance.

[0007] 本发明的第一个技术问题这样解决:构建一种电池健康状态测试方法,包括以下步骤: [0007] The first technical problem of the present invention is solved: to construct a battery health testing method, comprising the steps of:

获取通过输入模块输入的待测电池的测试标准、电池类型和冷启动电流值CCA ; 通过温度传感器获取待测电池的环境温度并根据所述测试标准、电池类型和环境温度修正CCA,获得参考值CCA3= (LX CCA) /(MxK)并根据CCA3获得待测电池参考内阻RO=N/ CCA3, K、L、M和N为正整数(Ro的单位为豪欧,CCA的单位为安培); Obtaining a test standard battery test input through the input module, battery type, and the CCA cold start current value; acquiring the ambient temperature measured by the temperature sensor and the battery according to the test standard, battery type, and the CCA ambient temperature correction, the reference value is obtained CCA3 = (LX CCA) / (MxK) obtained and tested in accordance with CCA3 reference cell resistance RO = N / CCA3, K, L, M and N are positive integers (Ro units of ho Europe, CCA's ampere) ;

检测待测电池电压和放电电流计算待测电池实际动态内阻R并根据(R-RO)/R0<50%, 输出待测电池是需更换的落后电池的测试结果。 Detecting the test voltage and the discharge current of the battery cell to be measured is calculated according to the actual dynamic internal resistance R (R-RO) / R0 <50%, the test output test results need to replace the battery is behind the battery.

[0008] 按照本发明提供的测试方法,控制待测电池通过放电负载模块放电tl秒再在t2 秒时间内测量电池电压的变化率和放电电流的变化率计算出来电池的动态内阻,tl、t2是自然数。 [0008] according to the test method provided by the invention, the load control module battery discharge test tl seconds and then measuring the discharge rate of change and the rate of discharge current of the battery voltage in the second period t2 calculated from the dynamic internal resistance of the battery, by tl, t2 is a natural number.

[0009] 按照本发明提供的测试方法,SOH =(R-RO)/RO,还包括步骤: [0009] according to the test method provided by the invention, SOH = (R-RO) / RO, further comprising the step of:

I ) SOH在0%-30%,电池端电压V :V > 12. 5伏特时,电池为健康电池;II ) SOH在0%-30%,电池端电压V :12. 5伏特> V > 11. 5伏特时,提示先充电再测试; I) SOH 0% -30%, the battery terminal voltage V: V> 12.5 volts when the battery is a battery health; II) SOH 0% -30%, the battery voltage V:. 12 5 V> V> when 11.5 volts, then prompted to charge the test;

III) SOH在31%-50%,如电池端电压V :V > 12. 5伏特时,提示需要活化处理; III) SOH 31% -50%, as the battery terminal voltage V: activation V> 12.5 volts when, prompted;

IV) SOH小于51%-100%,电池端电压V :20伏特> V > 0伏特时,无论电池端电压V是多少,电池为落后电池,予以更换。 IV) SOH less than 51% to 100%, the battery terminal voltage V: 20 V> V> 0 volt, regardless of how much the battery terminal voltage V, the battery is behind the battery, be replaced.

[0010] 本发明的另一个技术问题这样解决:构建一种电池健康状态测试装置,连接待测电池,包括: [0010] Another technical problem is solved according to the present invention: to construct a battery health status test means, connected to the battery under test, comprising:

输入模块,用于输入的待测电池的测试标准、电池类型和冷启动电流值CCA; 放电负载模块,与待测电池电连接,用于根据控制对待测电池进行放电; 内置电压检测单元和电流检测单元的信号采集模块,与待测电池电连接,用于检测采集待测电池电压和放电电流值; An input module for testing a battery of standard test input, battery type, and the CCA cold start current value; discharge load module, and the battery is electrically connected to the test for measuring the battery discharge treated in accordance with the control; built-in voltage and current detection unit signal acquisition module detection means, electrically connected to the battery to be tested, the test for detecting a battery voltage and collecting discharge current value;

输出模块,用于输出测试结果或提示; An output module for outputting test results or tips;

主控制模块,与各所述模块和单元连接,还用于根据检测采集信号进行测试计算或判断。 The main control module connected to each of the modules and the means for testing is also calculated or determined based on a detection signal acquisition.

[0011] 按照本发明提供的测试装置,所述信号采集模块还包括用于检测待测电池温度或环境温度的温度传感器。 [0011] The test apparatus according to the present invention provides a signal acquisition module further comprises a temperature sensor for detecting the ambient temperature or the measured temperature of the battery.

[0012] 按照本发明提供的测试装置,所述输入模块包括但不限制于是键盘或触摸屏。 [0012] The test apparatus according to the present invention is provided, the input module include, without limitation so keyboard or touch screen.

[0013] 按照本发明提供的测试装置,所述输出模块包括但不限制于是指示灯或显示屏。 [0013] The test apparatus according to the present invention provided, the output module including but not limited to the display or indicator so.

[0014] 本发明提供的电池健康状态测试装置及其方法,采用自动化测试信号采集和计算控制程序,以内阻作为判据,将被测电池的标称的冷启动电流换算成标称动态内阻,结合不同测试标准、不同电池类型和不同环境温度的修正,再用IEEE标准中计算公式②计算S0H, 并最终给出被测电池的健康状态,经过严格的放电试验验证其估算的精度可以达到5%以内,可以重复测试、无须严格条件且自动化程度高,满足实际电池维护要求。 [0014] The state of health of the battery testing device and method provided by the invention, the test signal acquisition and automated calculation control program, as a criterion to resistance, cold starting current nominal battery to be tested in terms of the nominal dynamic resistance , in conjunction with different test standards, different types of battery and different correction ambient temperature, then the IEEE standard formula ② S0H calculated, and finally give the state of health of the tested battery, the discharge test was rigorously verify estimation accuracy can be achieved less than 5%, the test can be repeated without strict conditions and high degree of automation, to meet the actual battery maintenance requirements.

附图说明 BRIEF DESCRIPTION

[0015] 下面结合附图和具体实施例进一步对本发明进行详细说明: 图1是本发明具体实施例电池健康状态测试装置系统结构示意图; 图2是图1中控制检测模块的充放电控制程序流程示意图; The invention is further drawings and specific embodiments described in detail [0015] below with reference to: FIG. 1 is a schematic diagram of the battery state of health of the test apparatus system configuration of particular embodiments of the present invention; FIG. 2 is a charge-discharge control program flow in Figure 1 the control detection module schematic;

图3是本发明具体实施例采用的常规的动态内阻测量方法。 FIG 3 is a conventional dynamic internal resistance measurement method employed in the particular embodiment of the present invention.

具体实施方式 detailed description

[0016] 首先,说明本发明测试装置: [0016] First, the test apparatus of the present invention:

如图1所示,本发明具体实施例一种电池健康状态测试装置,包括信号采集模块、放电负载模块,中央处理器,显示模块和键盘组成,其中:信号采集模块用于实现电池正负极柱间电压和电压变化率的测量,放电电流的测量和环境温度的测量,测量信号的调理;放电负载模块在接到控制指令后时按一定的电流和一定的持续时间给电池放电;中央处理器的功能是控制信号的采集,A/D的换挡、运算、数据的存储,控制显示;显示器的功能是现实被测电池的特征参数和测试结果;键盘的功能是输入被测电池的特征参数。 1, for example, a battery state of health of the test apparatus embodying the present invention, comprises a signal acquisition module, a discharge load module, a central processor, a display, and keypad module, wherein: a signal acquisition module for implementing a battery positive and negative measured voltage and the voltage change rate of the studs, the ambient temperature measurements and measurements of the discharge current, the measurement signal is conditioned; discharge load module by a constant current and constant duration to the battery is discharged after receiving a control command; central processing the function is to control the acquisition signal, shift the a / D, computation, data storage, controls the display; a display characteristic feature is measured real cell parameters and test results; keyboard input function of the measured cell characteristics parameter.

[0017] 第二,说明本发明测试方法 [0017] Second, the test method of the present invention described

如图2所示,本发明具体实施例一种电池健康状态测试装置内中央处理器中控制程序,以普通12伏特被测蓄电池为例,具体包括以下步骤: As shown, two specific embodiments within the invention embodiment of a test battery health control program in the central processing unit, measured in the normal 12 volt battery, for example, includes the following steps:

201)获取用户输入的冷启动电流值CCA、CCA测试标准和电池类型; 201) entered by the user for the cold-start current CCA, CCA battery type and test standard;

202)将冷启动电流值换算成对应测试标准的测试值CCAl,CCA1=CCA/K, K取以下值: 202) The cold start current value into a value corresponding to the test standard test CCAl, CCA1 = CCA / K, K takes the following values:

Figure CN102156265AD00061

203)将CCAl换算成对应电池类型的平板贫液阀控冷启动电流值CCA2,CCA2=L*CCA1, L取以下值: 203) will be converted into a flat plate CCAl lean liquid VRLA battery type corresponding to the following values ​​of cold start current value CCA2, CCA2 = L * CCA1, L:

Figure CN102156265AD00062

204)根据测试环境温度修正CCA2,得参考值CCA3,CCA3=CCA2/M,M取以下值: 204) The test for ambient temperature CCA2, to obtain a reference value CCA3, CCA3 = CCA2 / M, M takes the following values:

Figure CN102156265AD00063

205)计算被测电池参照内阻R0,R0=3560/CCA3, 205) is calculated with reference to the internal resistance of the battery measured R0, R0 = 3560 / CCA3,

206)控制放电负载模块对测试电池放电,由于施加负载端电压下落,在维持一定tl的时间,撤除负载后,电池回升t2电池回升等到电池电压,tl取1-10秒,t2取300-500ms,放电电流取30-50A ; 206) controls the discharge load module battery discharge test, the load voltage drops due to the application, maintaining a certain time tl, after removal of the load, the battery recovery t2 until the battery cell voltage recovery, take 1-10 seconds tl, t2 taken 300-500ms discharge current take 30-50A;

207)如图3所示,通过检测电压、电流获得测试被测电池的实际动态内阻R ; 207) shown in Figure 3, by detecting the voltage, current, resistance R to obtain the actual dynamic test of the battery to be tested;

208)计算 SOH (state of health 电池的健康状态),Soh= (R - R0)/RO ; 208) calculated SOH (state of health of the battery state of health), Soh = (R - R0) / RO;

209)根据不同计算和检测结果输出测试结论或提示并将测试结果或提示显示在屏幕 209) depending on the detection result output calculation and test results and the test results or prompt or prompt is displayed on the screen

上: on:

I ) SOH在0%-30%,电池端电压V :V > 12. 5伏特时,电池为健康电池; I) SOH 0% -30%, the battery terminal voltage V: V> 12.5 volts when the battery is a battery health;

II ) SOH在0%-30%,电池端电压V :12. 5伏特> V > 11. 5伏特时,提示先充电再测试 II) SOH 0% -30%, the battery voltage V:. 12 5 V> V> 11.5 volts when prompted to re-charge test

III) SOH在31%-50%,如电池端电压V :V > 12. 5伏特时,提示需要活化处理; III) SOH 31% -50%, as the battery terminal voltage V: activation V> 12.5 volts when, prompted;

IV) SOH在51%-100%,电池端电压V :20伏特> V > 0伏特时,无论电池端电压V是多少,电池为落后电池,予以更换。 IV) SOH 51% -100%, the battery terminal voltage V: 20 V> V> 0 volt, regardless of how much the battery terminal voltage V, the battery is behind the battery, be replaced.

[0018]其中: [0018] wherein:

步骤209)中基于电池端电压内阻测试前的电池极柱两端电压V的一下列公式计算出SOC (state of charge 荷电状态) SOC= [1-(12. 7-V)/l. 2] X 100% V和SOC——对应。 In step 209) one of the following formulas pole based on the battery voltage V across the battery terminal voltage before test resistance calculated SOC (state of charge SOC) SOC = [1- (12. 7-V) / l. 2] X 100% V and the corresponding SOC--.

[0019] 最后,以上所述仅为本发明的较佳实施例,凡依本发明权利要求范围所做的均等变化与修饰,皆应属本发明权利要求的涵盖范围。 [0019] Finally, the above description is only preferred embodiments of the present invention, all modifications and alterations of the invention as claimed in claim made, also belong to the scope of the appended claims.

6 6

Claims (10)

  1. 1. 一种电池健康状态测试方法,其特征在于,包括以下步骤:获取通过输入模块输入的待测电池的测试标准、电池类型和冷启动电流值CCA ; 通过温度传感器获取待测电池的温度或环境温度并根据所述测试标准、电池类型和环境温度修正CCA,获得参考值CCA3= (LXCCA) / (MxK)并根据CCA3获得待测电池参考内阻RO= N /CCA3,K、L、M 和N 为正整数;检测待测电池电压变化率和放电电流变化率计算待测电池实际动态内阻R并根据(R-RO)/RO > 50%,输出待测电池是需更换的落后电池的测试结果。 A battery state of health testing method, characterized by comprising the steps of: obtaining a test standard test cell input through the input module, battery type, and the CCA cold start current value; acquires the temperature measured by the temperature sensor or the battery and ambient temperature according to the test standard, battery type, and the CCA for ambient temperature, to obtain a reference value CCA3 = (LXCCA) / (MxK) CCA3 obtained according to the reference test cell internal resistance RO = N / CCA3, K, L, M and N is a positive integer; detecting a battery voltage variation rate and the measured discharge current change rate calculating actual dynamic internal resistance of the battery to be measured and behind the cell according to R (R-RO) / RO> 50%, the output test cell is to be replaced test results.
  2. 2.根据权利要求1所述测试方法,其特征在于,还包括步骤:控制待测电池通过放电负载模块放电tl秒再在t2秒时间内测量电池电压的变化率和放电电流的变化率计算出来电池的动态内阻,tl、t2是自然数。 2. The test method according to claim 1, characterized in that, further comprising the step of: controlling the discharge load test battery module discharge tl seconds and then measuring the rate of change of cell voltage and a discharge current in the second time t2 is calculated by dynamic internal resistance of the battery, tl, t2 is a natural number.
  3. 3.根据权利要求1所述测试方法,其特征在于,还包括步骤:根据SOH= (R-RO)/RO在0%-30%区间,电池端电压V :V > 12. 5伏特时,输出待测电池是健康电池的测试结果。 3. The test method according to claim 1, characterized in that, further comprising the step of: / RO 0% -30% range, according to the battery voltage V SOH = (R-RO):> 12.5 volts when V, output test cell is a healthy cell test results.
  4. 4.根据权利要求1所述测试方法,其特征在于,还包括步骤:根据SOH= (R-RO)/RO在0%-30%区间,电池端电压V :12. 5伏特> V > 11. 5伏特时输出充电后再测试的测试提示。 The test method as claimed in claim 1, characterized by further comprising steps of: SOH = (R-RO) / RO 0% -30% range, the battery voltage V:. 12 5 V> V> 11 after charging the test output test prompts. 5 volts.
  5. 5.根据权利要求1所述测试方法,其特征在于,还包括步骤:根据SOH= (R-RO)/RO在31%-50%区间,如电池端电压V :V > 12. 5伏特时,输出待测电池需进行活化处理的测试提示。 The test method as claimed in claim 1, characterized by further comprising steps of: SOH = (R-RO) / RO 31% -50% range, such as the battery terminal voltage V: V> 12.5 volts when , the output test cell for testing tips for an activation treatment.
  6. 6.根据权利要求1所述测试方法,其特征在于,还包括步骤:根据SOH= (R-RO) /RO在51%-100%,无论电池端电压V是多少,输出被测电池是需要更换的测试结果。 6. The test method according to claim 1, characterized by further comprising steps of: SOH = (R-RO) / RO 51% -100%, regardless of how much the battery terminal voltage V, the output test cell is a need replace the test results.
  7. 7. 一种电池健康状态测试装置,连接待测电池,其特征在于,包括:输入模块,用于输入的待测电池的测试标准、电池类型和冷启动电流值CCA; 放电负载模块,与待测电池电连接,用于根据控制对待测电池进行放电; 内置电压检测单元和电流检测单元的信号采集模块,与待测电池电连接,用于检测采集待测电池电压和放电电流值及其变化率; 输出模块,用于输出测试结果或提示;主控制模块,与各所述模块和单元连接,还用于根据检测采集信号进行测试计算或判断。 A battery state of health of the test apparatus, the test cell is connected, characterized by comprising: an input module for testing a battery test standard input, battery type, and the CCA cold start current value; discharge load module to be sensing cells are electrically connected for measuring the battery discharge treated in accordance with the control; built-in voltage detection signal acquisition module unit and a current detecting unit, electrically connected to the battery to be tested, the test for detecting a battery voltage and collecting discharge current value and its change rate; an output module for outputting test results or prompts; master control module, connected to each of the modules and the means for testing is also calculated or determined based on a detection signal acquisition.
  8. 8.根据权利要求7所述测试装置,其特征在于,所述信号采集模块还包括用于检测待测电池温度或环境温度的温度传感器。 8. The test apparatus according to claim 7, wherein said signal acquisition module further comprises a temperature sensor for detecting the ambient temperature or the measured temperature of the battery.
  9. 9.根据权利要求7所述测试装置,其特征在于,所述输入模块是键盘或触摸屏;所述输出模块是指示灯或显示屏。 9. The test apparatus according to claim 7, wherein said input module is a keypad or touch screen; the output module is an indicator light or display.
  10. 10. 一种如说明书和附图所述电池健康状态测试装置和方法。 10. A description and drawings, the state of health of the battery testing device and method.
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