CN112557911B - Device and method for testing performance consistency of lead-acid storage battery - Google Patents
Device and method for testing performance consistency of lead-acid storage battery Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 239000004576 sand Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 12
- 230000010355 oscillation Effects 0.000 claims abstract description 7
- 238000010998 test method Methods 0.000 claims abstract description 4
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- 230000003213 activating effect Effects 0.000 claims 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
本发明公开了一种铅酸蓄电池性能一致性测试装置及方法，涉及铅酸蓄电池检测技术领域。一种铅酸蓄电池性能一致性测试装置包括模拟试验箱、铅酸蓄电池、智能开关和活化仪，其中所述的模拟试验箱至少包括加热模块、振荡器和细沙，所述铅酸蓄电池利用电池单体监测模块测量和监测铅酸蓄电池电压、电流和内阻等参数。一种铅酸蓄电池性能一致性测试方法，对铅酸蓄电池高温、振荡和高倍率充放电铅酸蓄电池运行过程性能的变化，更快速测试出铅酸蓄电池全寿命周期性能的一致性。本发明整个测试周期为1‑15d，显著缩短测试时间，数据真实，评估铅酸蓄电池全寿命周期性能的一致性，有利于加强电池质量评估。
The invention discloses a lead-acid battery performance consistency testing device and method, and relates to the technical field of lead-acid battery detection. A lead-acid storage battery performance consistency testing device comprises a simulation test box, a lead-acid battery, an intelligent switch and an activator, wherein the simulation test box at least includes a heating module, an oscillator and fine sand, and the lead-acid storage battery utilizes a battery The monomer monitoring module measures and monitors parameters such as voltage, current and internal resistance of the lead-acid battery. A performance consistency test method for a lead-acid battery, which can more quickly test the consistency of the performance of the lead-acid battery throughout the life cycle of the lead-acid battery's performance changes during high temperature, oscillation, and high-rate charge-discharge lead-acid battery operation. The whole test period of the present invention is 1-15d, which significantly shortens the test time, has real data, evaluates the consistency of the performance of the lead-acid battery in the whole life cycle, and is beneficial to strengthen battery quality evaluation.
Description
技术领域technical field
本发明涉及一种蓄电池性能测试技术领域，具体涉及一种铅酸蓄电池性能一致性测试装置及方法。The invention relates to the technical field of battery performance testing, in particular to a lead-acid battery performance consistency testing device and method.
背景技术Background technique
蓄电池的稳定性和在放电过程中能提供给负载的实际容量对确保电力设备的安全运行具有十分重要的意义。铅酸蓄电池的一致性性能对整个铅酸蓄电池的性能有很大的影响。现有的性能一致性试验有：The stability of the storage battery and the actual capacity that can be provided to the load during the discharge process are of great significance to ensure the safe operation of the power equipment. The consistency performance of the lead-acid battery has a great influence on the performance of the whole lead-acid battery. Existing performance consistency tests include:
1、重量一致性：用符合精度的磅秤称量并记录每只蓄电池的重量。计算单只蓄电池重量与蓄电池平均重量的差值。1. Weight consistency: use a scale that meets the accuracy to weigh and record the weight of each battery. Calculate the difference between the weight of a single battery and the average weight of the battery.
2、开路端电压一致性：完全充电的蓄电池组在25℃±2℃环境中开路静置24h，分别测记每只蓄电池的开路端电压（测量点在端子处），计算开路端电压最高值和最低值的差值△U。2. Consistency of open circuit terminal voltage: The fully charged battery pack is placed in an open circuit at 25°C±2°C for 24 hours, and the open circuit terminal voltage of each battery is measured separately (the measurement point is at the terminal), and the highest value of the open circuit terminal voltage is calculated. and the difference △U of the lowest value.
3、容量一致性：蓄电池完全充电后，分别进行10h率容量放电试验，放电电流I10A，截止电压1.8V，记录每只蓄电池的放电容量；将蓄电池完全充电后串联连接，接入测试仪，设置放电电流I10A，放至其中一只单体蓄电池截止电压1.8V，应停止放电，记录放电容量。换算至25℃的放电容量，计算每只蓄电池与蓄电池组容量的差值。例如CN201611219229.X一种检测蓄电池组内单体电池一致性的方法，通过测试蓄电池组每个单体电池的电压极差来评判一致性。3. Capacity consistency: After the battery is fully charged, conduct a 10h rate capacity discharge test, discharge current I10A, cut-off voltage 1.8V, record the discharge capacity of each battery; connect the battery in series after fully charging, connect to the tester, set Discharge current I10A, discharge to one of the single battery cut-off voltage 1.8V, stop discharging and record the discharge capacity. Convert to the discharge capacity at 25°C, and calculate the difference between the capacity of each battery and the battery pack. For example, CN201611219229.X is a method for detecting the consistency of single cells in a storage battery pack, and judges the consistency by testing the voltage difference of each single cell in the storage battery pack.
现有技术的性能一致性试验并未考虑到运行过程中的电池性能的一致性，然而铅酸蓄电池组要求在运行过程中，要求铅酸蓄电池一致性优良。The performance consistency test of the prior art does not take into account the consistency of battery performance during operation, but the lead-acid battery pack requires that the lead-acid battery has excellent consistency during operation.
发明内容Contents of the invention
本申请提供了一种铅酸蓄电池性能一致性测试装置及方法，以解决现有性能一致性试验未考虑到铅酸蓄电池运行中的一致性问题。The present application provides a lead-acid battery performance consistency test device and method to solve the problem that the existing performance consistency test does not take into account the consistency of lead-acid battery operation.
本发明通过下述技术方案来实现，一种铅酸蓄电池性能一致性测试装置，至少包括模拟试验箱、铅酸蓄电池、智能开关和活化仪，其中，The present invention is achieved through the following technical solutions, a lead-acid storage battery performance consistency testing device at least includes a simulation test box, a lead-acid storage battery, an intelligent switch and an activator, wherein,
所述铅酸蓄电池串联组成，铅酸蓄电池与铅酸蓄电池之间均设有智能开关；The lead-acid battery is connected in series, and an intelligent switch is arranged between the lead-acid battery and the lead-acid battery;
所述铅酸蓄电池在所述模拟试验箱内，所述活化仪与铅酸蓄电池组相连；The lead-acid storage battery is in the simulated test box, and the activator is connected with the lead-acid storage battery;
所述铅酸蓄电池均设有电池单体监测模块；The lead-acid storage battery is provided with a battery cell monitoring module;
所述模拟试验箱至少包括加热模块、振荡器和细沙。将蓄电池埋在细沙中，通过加热模块加热，热量可通过细沙均匀传导至蓄电池，通过振荡器模拟使用过程中的振动。The simulated test chamber at least includes a heating module, a shaker and fine sand. The battery is buried in the fine sand and heated by the heating module. The heat can be evenly transmitted to the battery through the fine sand, and the vibration during use is simulated through the oscillator.
优选的是，所述细沙：细度模数为2-1.8，粒径大于0.075mm的颗粒超过全重90%，平均粒径为0.2mm-0.25mm的砂石。采用这个细度的细沙，基本上光滑的，不会在振动过程中对蓄电池和设备内壳造成损坏，而且细沙粒径小了，在振动的过程会越来越小，太小的容易流进设备里面的加热模块里，太大了温控又不太好，经过长期实验确定了目前的细沙细度，达到了控温和振动的平衡。Preferably, the fine sand: gravel with a fineness modulus of 2-1.8, particles with a particle size greater than 0.075 mm in excess of 90% of the total weight, and an average particle size of 0.2 mm-0.25 mm. The fine sand with this fineness is basically smooth, and will not cause damage to the battery and the inner shell of the equipment during the vibration process. Moreover, the fine sand particle size is small, and it will become smaller and smaller during the vibration process. Too small is easy The flow into the heating module inside the equipment is too large and the temperature control is not very good. After long-term experiments, the current fineness of fine sand has been determined, and the balance of temperature control and vibration has been achieved.
优选的是，所述的电池单体监测模块具有监测记录电池电压、电流、内阻等参数，其中，Preferably, the battery cell monitoring module has parameters such as monitoring and recording battery voltage, current, internal resistance, etc., wherein,
所述电池单体监测模块内设数据记录仪；电池单体监测模块通过导线分别与电池正、负极相连，再与数据记录仪相连，即可在电池单体监测模块中监测记录电池电压；通过高精度霍尔电流传感器与电池充放电的活化仪连接线相通，所述高精度霍尔电流传感器再与数据记录仪相连，即可在电池单体监测模块中监测记录电池电流。The battery cell monitoring module is equipped with a data recorder; the battery cell monitoring module is respectively connected to the positive and negative electrodes of the battery through wires, and then connected to the data logger, so that the battery voltage can be monitored and recorded in the battery cell monitoring module; The high-precision Hall current sensor is connected with the connection line of the battery charging and discharging activator, and the high-precision Hall current sensor is connected with the data recorder, so that the battery current can be monitored and recorded in the battery cell monitoring module.
本发明提供了一种铅酸蓄电池性能一致性测试方法，基于上述铅酸蓄电池性能一致性测试装置，过程如下：The present invention provides a method for testing the consistency of performance of lead-acid batteries, based on the above device for testing the consistency of performance of lead-acid batteries, the process is as follows:
将n只铅酸蓄电池串联成组，在温度范围为：30~45℃（新电池为45℃，旧电池为30℃），振荡频率为50～100r/min，振幅为5-10mm，充、放电电流为1.2-1.5I10A（新电池为1.5I10A，旧电池为1.2I10A），充电限压为2.35-2.40V（新电池2.40V，旧电池2.35V），放电截止电压为1.75-1.85V（新电池1.75V，旧电池1.85V），循环充放电10-15次（新电池15次，旧电池10次）；Connect n lead-acid batteries in series to form a group. The temperature range is: 30~45°C (45°C for new batteries, 30°C for old batteries), the oscillation frequency is 50~100r/min, and the amplitude is 5-10mm. The discharge current is 1.2-1.5I 10 A (new battery is 1.5I 10 A, the old battery is 1.2I 10 A), the charge limit voltage is 2.35-2.40V (new battery 2.40V, old battery 2.35V), discharge cut-off voltage 1.75-1.85V (new battery 1.75V, old battery 1.85V), cycle charge and discharge 10-15 times (new battery 15 times, old battery 10 times);
记录每只电池第1次放电电压为V11（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the first discharge voltage of each battery is V 11 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第1次充电电压为V12为2.25V时，充电所需时间分别为：；Record the first charging voltage of each battery when V 12 is 2.25V, and the charging time is as follows: ;
记录每只电池第5次放电电压为V51（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the fifth discharge voltage of each battery is recorded as V 51 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第5次充电电压为V522.25V时，充电所需时间分别为：；When the charging voltage of each battery is V 52 2.25V for the fifth time, the time required for charging is as follows: ;
记录每只电池第10次放电电压为V101（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the 10th discharge voltage of each battery is recorded as V 101 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第10次充电电压为V1022.25V时，充电所需时间分别为：；When the charging voltage of each battery is V 102 2.25V for the 10th time, the time required for charging is: ;
记录每只电池第15次放电电压为V151（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the 15th discharge voltage of each battery is recorded as V 151 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第15次充电电压为V1522.25V时，充电所需时间分别为：；When recording the 15th charging voltage of each battery as V 152 2.25V, the time required for charging is: ;
第i只电池，放电电压为新电池1.8V，旧电池1.9V时，放电所需时间记为：，充电电压为2.25V时，充电所需时间分别为/>，第j只电池，放电电压为新电池1.8V，旧电池1.9V时时，放电所需时间记为：/>，充电电压为2.25V时，充电所需时间分别为/>;For the i-th battery, when the discharge voltage is 1.8V for the new battery and 1.9V for the old battery, the time required for discharge is recorded as: , when the charging voltage is 2.25V, the charging time is respectively /> , the jth battery, the discharge voltage is 1.8V for the new battery, and 1.9V for the old battery, the time required for discharge is recorded as: /> , when the charging voltage is 2.25V, the charging time is respectively /> ;
第a次循环任意两只电池i、j，其放电阶段，若，则a次循环放电阶段铅酸蓄电池一致性好；In the a-th cycle of any two batteries i and j, in the discharge stage, if , then the consistency of the lead-acid battery is good in the discharge stage of a cycle;
第a次循环任意两只电池i、j，其充电阶段，若，则a次循环充电阶段铅酸蓄电池一致性好；In the a-th cycle of any two batteries i and j, the charging stage, if , then the consistency of the lead-acid battery is good in the charging stage of a cycle;
当第1次、第5次、第10次和第15次（新电池）放电与充电均满足要求，则说明铅酸蓄电池的一致性好。When the 1st, 5th, 10th and 15th (new battery) discharges and charges all meet the requirements, it means that the consistency of the lead-acid battery is good.
优选的是，所述试验电池数量宜为3只或6只。Preferably, the number of test cells should be 3 or 6.
由以上技术方案可知，本申请提供了一种铅酸蓄电池性能一致性测试装置及方法，所述测试装置至少包含模拟试验箱、铅酸蓄电池、智能开关和活化仪；所述铅酸蓄电池串联组成，铅酸蓄电池与铅酸蓄电池之间均设有智能开关；所述铅酸蓄电池在所述模拟试验箱内，所述活化仪与铅酸蓄电池组相连；所述铅酸蓄电池均设有电池单体监测模块。所述模拟试验箱至少包括加热模块、振荡器和细沙。所述细沙：细度模数为2-1.8，粒径大于0.075mm的颗粒超过全重90%，平均粒径为0.2mm-0.25mm的砂石。所述的电池单体监测模块具有监测记录电池电压、电流、内阻等参数；所述电池单体监测模块内设数据记录仪；通过导线分别与电池正、负极相连，再与无纸记录仪相连，即可在电池单体监测模块中监测记录电池电压；通过高精度霍尔电流传感器与电池充放电的活化仪连接线相通，所述高精度霍尔电流传感器再与无纸记录仪相连，即可在电池单体监测模块中监测记录电池电流。It can be seen from the above technical scheme that the application provides a lead-acid battery performance consistency test device and method, the test device at least includes a simulation test box, a lead-acid battery, an intelligent switch and an activator; the lead-acid battery consists of a series connection , lead-acid batteries and lead-acid batteries are equipped with intelligent switches; body monitoring module. The simulated test chamber at least includes a heating module, a shaker and fine sand. Said fine sand: sand with a fineness modulus of 2-1.8, particles with a particle size greater than 0.075 mm in excess of 90% of the total weight, and an average particle size of 0.2 mm-0.25 mm. The battery cell monitoring module can monitor and record parameters such as battery voltage, current, and internal resistance; the battery cell monitoring module is equipped with a data recorder; it is connected to the positive and negative electrodes of the battery through wires, and then connected to the paperless recorder connected, the battery voltage can be monitored and recorded in the battery cell monitoring module; the high-precision Hall current sensor is connected with the battery charging and discharging activation meter connection line, and the high-precision Hall current sensor is connected to the paperless recorder. The battery current can be monitored and recorded in the battery cell monitoring module.
所述测试方法，通过第1次循环放、充电，均满足<、/></>，其中a为1，则说明第1次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；The test method, through the first cycle of discharge and charge, all meet the requirements of < , /> </> , where a is 1, it means that the performance consistency of the first cycle discharge and charge is excellent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第1次循环放、充电性能一致性优良，再通过第5次循环放、充电，均满足</>、/></>，其中a为5，则说明第5次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；If the consistency of discharge and charge performance is excellent in the first cycle, and then discharge and charge in the fifth cycle, all meet the requirements. </> , /> </> , where a is 5, it means that the discharge and charge performance of the fifth cycle is consistent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第5次循环放、充电性能一致性优良，再通过第10次循环放、充电，均满足</>、/></>，其中a为10，则说明第10次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；If the discharge and charge performance of the 5th cycle is consistent, and then the discharge and charge of the 10th cycle will meet the requirements. </> , /> </> , where a is 10, it means that the performance consistency of the 10th cycle discharge and charge is excellent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第10次循环放、充电性能一致性优良，再通过第15次循环放、充电，均满足</>、/></>，其中a为15，则说明第15次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差。If the discharge and charge performance of the 10th cycle is consistent, and then the 15th cycle is discharged and charged, both meet the requirements. </> , /> </> , where a is 15, it means that the discharge and charge performance of the 15th cycle is consistent, otherwise it means that the performance consistency of the lead-acid battery is poor.
本发明的有益效果：通过模拟试验箱模拟蓄电池工作状态下的影响因素，电池单体监测模块监测充电时间、放电时间，所述模拟试验箱至少包括加热模块、振荡器和细沙，通过加热模块加热，热量可通过细沙均匀传导至蓄电池，通过振荡器模拟使用过程中的振动。确定了细沙的细度模数和粒径，即可起到良好的控温效果，又不会损伤设备。本发明通过比较第1、5、10、15次的充电时间、放电时间来评价一致性，变电站蓄电池使用5年左右，一般来说除了少部分电池，其他的电池衰减极其少，本发明采用快速充放电循环方式进行试验，充放电15次即可达到20%衰减，基本可以评估铅酸蓄电池全寿命周期性能的一致性，有利于加强电池质量评估。本发明测试周期为1-15d，显著缩短测试时间，数据真实。Beneficial effects of the present invention: the influencing factors under the working state of the storage battery are simulated by the simulation test box, and the battery cell monitoring module monitors the charging time and discharge time. Heating, the heat can be evenly conducted to the battery through the fine sand, and the vibration during use can be simulated through the oscillator. Once the fineness modulus and particle size of the fine sand are determined, a good temperature control effect can be achieved without damaging the equipment. The present invention evaluates the consistency by comparing the charging time and discharging time of the 1st, 5th, 10th, and 15th times. The substation battery has been used for about 5 years. Generally speaking, except for a small number of batteries, other batteries have very little attenuation. The charge-discharge cycle test is carried out, and the attenuation of 20% can be achieved after 15 charge-discharge cycles, which can basically evaluate the consistency of the performance of the lead-acid battery throughout its life cycle, which is conducive to strengthening the evaluation of battery quality. The test period of the present invention is 1-15d, the test time is significantly shortened, and the data is real.
附图说明Description of drawings
图1为本发明实施例中所描述的测试装置的结构示意图。Fig. 1 is a schematic structural diagram of a test device described in an embodiment of the present invention.
图2为本发明实施例中所描述的模拟试验箱的结构示意图。Fig. 2 is a schematic structural diagram of the simulation test box described in the embodiment of the present invention.
图3为本发明实施例中所描述的铅酸蓄电池及其监测装置的结构示意图。Fig. 3 is a structural schematic diagram of the lead-acid battery and its monitoring device described in the embodiment of the present invention.
图4为本发明实施例中所描述的测试方法的流程图。Fig. 4 is a flow chart of the testing method described in the embodiment of the present invention.
其中，1为模拟试验箱，11为加热模块，12为振荡器，13为细沙，2为铅酸蓄电池，21为电池单体监测模块，3为智能开关，4为活化仪，21为电池单体监测模块。Among them, 1 is a simulation test box, 11 is a heating module, 12 is an oscillator, 13 is fine sand, 2 is a lead-acid battery, 21 is a battery cell monitoring module, 3 is an intelligent switch, 4 is an activator, and 21 is a battery Single monitoring module.
具体实施方式Detailed ways
下面结合附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present application are clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present application, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the protection scope of the present invention.
参照图1-图3，一种铅酸蓄电池性能一致性测试装置，至少包括模拟试验箱1、铅酸蓄电池2、智能开关3和活化仪4，其中，With reference to Fig. 1-Fig. 3, a kind of lead-acid storage battery performance conformity testing device, at least comprises simulation test box 1, lead-acid storage battery 2, intelligent switch 3 and activator 4, wherein,
所述铅酸蓄电池2串联组成，铅酸蓄电池2与铅酸蓄电池2之间均设有智能开关3；The lead-acid battery 2 is connected in series, and an intelligent switch 3 is arranged between the lead-acid battery 2 and the lead-acid battery 2;
所述铅酸蓄电池2设置在所述模拟试验箱1内，所述活化仪4与铅酸蓄电池组相连；The lead-acid battery 2 is arranged in the simulation test box 1, and the activator 4 is connected with the lead-acid battery group;
所述铅酸蓄电池2均设有电池单体监测模块21；所述的电池单体监测模块21具有监测记录电池电压、电流、内阻等参数，其中，所述电池单体监测模块21内设数据记录仪；所述电池单体监测模块21通过导线分别与电池正、负极相连，再与无纸记录仪相连，即可在电池单体监测模块中监测记录电池电压；通过高精度霍尔电流传感器与电池充放电的活化仪4连接线相通，所述高精度霍尔电流传感器再与数据记录仪相连，即可在电池单体监测模块中监测记录电池电流。The lead-acid battery 2 is provided with a battery cell monitoring module 21; the battery cell monitoring module 21 has parameters such as monitoring and recording battery voltage, current, internal resistance, wherein, the battery cell monitoring module 21 is equipped with Data recorder; the battery cell monitoring module 21 is respectively connected to the positive and negative poles of the battery through wires, and then connected to the paperless recorder, so that the battery voltage can be monitored and recorded in the battery cell monitoring module; through the high-precision Hall current The sensor is connected with the connection line of the battery charging and discharging activator 4, and the high-precision Hall current sensor is connected with the data recorder, so that the battery current can be monitored and recorded in the battery cell monitoring module.
所述模拟试验箱1至少包括加热模块11、振荡器12和细沙13。所述细沙：细度模数为2-1.8，粒径大于0.075mm的颗粒超过全重90%，平均粒径为0.2mm-0.25mm的砂石。将铅酸蓄电池2埋在细沙13中，通过加热模块11加热，热量可通过细沙13均匀传导至铅酸蓄电池2，通过振荡器12模拟使用过程中的振动。采用这个细度的细沙，基本上光滑的，不会在振动过程中对蓄电池和设备内壳造成损坏，而且细沙粒径小了，在振动的过程会越来越小，太小的容易流进设备里面的加热模块里，太大了温控又不太好，经过长期实验确定了目前的细沙细度，达到了控温和振动的平衡。The simulated test chamber 1 at least includes a heating module 11 , an oscillator 12 and fine sand 13 . Said fine sand: sand with a fineness modulus of 2-1.8, particles with a particle size greater than 0.075 mm in excess of 90% of the total weight, and an average particle size of 0.2 mm-0.25 mm. The lead-acid battery 2 is buried in the fine sand 13 and heated by the heating module 11 , the heat can be uniformly conducted to the lead-acid battery 2 through the fine sand 13 , and the vibration during use is simulated by the oscillator 12 . The fine sand with this fineness is basically smooth, and will not cause damage to the battery and the inner shell of the equipment during the vibration process. Moreover, the fine sand particle size is small, and it will become smaller and smaller during the vibration process. Too small is easy The flow into the heating module inside the equipment is too large and the temperature control is not very good. After long-term experiments, the current fineness of fine sand has been determined, and the balance of temperature control and vibration has been achieved.
参照图4，一种铅酸蓄电池性能一致性测试方法，基于前述的测试装置中，所述方法包括：With reference to Fig. 4, a kind of lead-acid storage battery performance consistency test method, based on the aforementioned test device, said method comprises:
将N只铅酸蓄电池串联成组，在温度范围为：30~45℃（新电池为45℃，旧电池为30℃），振荡频率为50～100r/min，振幅为5-10mm，充、放电电流为1.2-1.5I10A（新电池为1.5I10A，旧电池为1.2I10A），充电限压为2.35-2.40V（新电池2.40V，旧电池2.35V），放电截止电压为1.75-1.85V（新电池1.75V，旧电池1.85V），循环充放电10-15次（新电池15次，旧电池10次）；Connect N lead-acid batteries in series to form a group. The temperature range is: 30~45°C (45°C for new batteries, 30°C for old batteries), the oscillation frequency is 50~100r/min, and the amplitude is 5-10mm. The discharge current is 1.2-1.5I 10 A (new battery is 1.5I 10 A, the old battery is 1.2I 10 A), the charge limit voltage is 2.35-2.40V (new battery 2.40V, old battery 2.35V), discharge cut-off voltage 1.75-1.85V (new battery 1.75V, old battery 1.85V), cycle charge and discharge 10-15 times (new battery 15 times, old battery 10 times);
记录每只电池第1次放电电压为V11（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the first discharge voltage of each battery is V 11 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第1次充电电压为V12为2.25V时，充电所需时间分别为：；Record the first charging voltage of each battery when V 12 is 2.25V, and the charging time is as follows: ;
记录每只电池第5次放电电压为V51（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the fifth discharge voltage of each battery is recorded as V 51 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第5次充电电压为V522.25V时，充电所需时间分别为：；When the charging voltage of each battery is V 52 2.25V for the fifth time, the time required for charging is as follows: ;
记录每只电池第10次放电电压为V101（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the 10th discharge voltage of each battery is recorded as V 101 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第10次充电电压为V1022.25V时，充电所需时间分别为：；When the charging voltage of each battery is V 102 2.25V for the 10th time, the time required for charging is: ;
记录每只电池第15次放电电压为V151（新电池1.8V，旧电池1.9V）时，放电所需时间分别为：；When the 15th discharge voltage of each battery is recorded as V 151 (new battery 1.8V, old battery 1.9V), the time required for discharge is: ;
记录每只电池第15次充电电压为V1522.25V时，充电所需时间分别为：；When recording the 15th charging voltage of each battery as V 152 2.25V, the time required for charging is: ;
第i只电池，放电电压为新电池1.8V，旧电池1.9V时，放电所需时间记为：，充电电压为2.25V时，充电所需时间分别为/>，第j只电池，放电电压为新电池1.8V，旧电池1.9V时时，放电所需时间记为：/>，充电电压为2.25V时，充电所需时间分别为/>；For the i-th battery, when the discharge voltage is 1.8V for the new battery and 1.9V for the old battery, the time required for discharge is recorded as: , when the charging voltage is 2.25V, the charging time is respectively /> , the jth battery, the discharge voltage is 1.8V for the new battery, and 1.9V for the old battery, the time required for discharge is recorded as: /> , when the charging voltage is 2.25V, the charging time is respectively /> ;
第a次循环任意两只电池i、j，其放电阶段，若，则a次循环放电阶段铅酸蓄电池一致性好；In the a-th cycle of any two batteries i and j, in the discharge stage, if , then the consistency of the lead-acid battery is good in the discharge stage of a cycle;
第a次循环任意两只电池i、j，其充电阶段，若，则a次循环充电阶段铅酸蓄电池一致性好。In the a-th cycle of any two batteries i and j, the charging stage, if , then the consistency of the lead-acid battery is good in the charging stage of a cycle.
具体评价时，通过第1次循环放、充电，均满足<、/></>，其中a为1，则说明第1次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；In the specific evaluation, after the first cycle of discharge and charge, all meet the < , /> </> , where a is 1, it means that the performance consistency of the first cycle discharge and charge is excellent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第1次循环放、充电性能一致性优良，再通过第5次循环放、充电，均满足</>、/></>，其中a为5，则说明第5次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；If the consistency of discharge and charge performance is excellent in the first cycle, and then discharge and charge in the fifth cycle, all meet the requirements. </> , /> </> , where a is 5, it means that the discharge and charge performance of the fifth cycle is consistent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第5次循环放、充电性能一致性优良，再通过第10次循环放、充电，均满足</>、/></>，其中a为10，则说明第10次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差；If the discharge and charge performance of the 5th cycle is consistent, and then the discharge and charge of the 10th cycle will meet the requirements. </> , /> </> , where a is 10, it means that the performance consistency of the 10th cycle discharge and charge is excellent, otherwise it means that the performance consistency of the lead-acid battery is poor;
若第10次循环放、充电性能一致性优良，再通过第15次循环放、充电，均满足</>、/></>，其中a为15，则说明第15次循环放、充电性能一致性优良，否则说明铅酸蓄电池性能一致性较差。If the discharge and charge performance of the 10th cycle is consistent, and then the 15th cycle is discharged and charged, both meet the requirements. </> , /> </> , where a is 15, it means that the discharge and charge performance of the 15th cycle is consistent, otherwise it means that the performance consistency of the lead-acid battery is poor.
本发明中，铅酸蓄电池2数量宜为3只或6只。In the present invention, the number of lead-acid batteries 2 is preferably 3 or 6.
为了进一步说明本发明，下面结合实施例对本发明提供的一种铅酸蓄电池性能一致性测试装置及方法进行详细地描述，但不能将它们理解为对本发明保护范围的限定。In order to further illustrate the present invention, a lead-acid battery performance consistency test device and method provided by the present invention will be described in detail below in conjunction with the examples, but they should not be interpreted as limiting the protection scope of the present invention.
实施例1：Example 1:
按照图1-图3搭建试验装置平台，构建了铅酸蓄电池性能一致性测试装置。According to Figure 1-Figure 3, the test device platform was built, and the lead-acid battery performance consistency test device was constructed.
铅酸蓄电池分别为2V500Ah的A、B、C电池。The lead-acid batteries are A, B, and C batteries of 2V500Ah.
将3只铅酸蓄电池串联成组，在温度为：45℃，振荡频率为60r/min，振幅为6mm，充电电流为75A，充电限压为2.4V，放电电流为75A，放电截止电压为1.75V，设置循环充放电15次；Connect 3 lead-acid batteries in series, at a temperature of 45°C, an oscillation frequency of 60r/min, an amplitude of 6mm, a charge current of 75A, a charge limit voltage of 2.4V, a discharge current of 75A, and a discharge cut-off voltage of 1.75 V, set the charge and discharge cycle 15 times;
第1次放电电压为1.8V时，放电所需时间分别为：5.4h、5.4h、5.4h；When the first discharge voltage is 1.8V, the discharge time required are: 5.4h, 5.4h, 5.4h;
第1次充电电压为2.25V时，充电所需时间分别为3.8h、3.9h、4.0h；When the first charging voltage is 2.25V, the charging time is 3.8h, 3.9h, 4.0h respectively;
则大小为/>，/>大小为1.17，大于/>，其中a为1；but size is /> , /> with a size of 1.17, greater than /> , where a is 1;
故试验结束，铅酸蓄电池性能一致性较差。Therefore, at the end of the test, the performance consistency of the lead-acid battery is poor.
实施例2：Example 2:
按照图1-图3搭建试验装置平台，构建了铅酸蓄电池性能一致性测试装置。According to Figure 1-Figure 3, the test device platform was built, and the lead-acid battery performance consistency test device was constructed.
铅酸蓄电池分别为2V500Ah的D、E、F新电池。Lead-acid batteries are 2V500Ah D, E, F new batteries.
将3只铅酸蓄电池串联成组，在温度为：45℃，振荡频率为60r/min，振幅为6mm，充电电流为75A，充电限压为2.4V，放电电流为75A，放电截止电压为1.75V，设置循环充放电15次；Connect 3 lead-acid batteries in series, at a temperature of 45°C, an oscillation frequency of 60r/min, an amplitude of 6mm, a charge current of 75A, a charge limit voltage of 2.4V, a discharge current of 75A, and a discharge cut-off voltage of 1.75 V, set the charge and discharge cycle 15 times;
第1次放电电压为1.8V时，放电所需时间分别为：5.27h、5.4h、5.53h；When the first discharge voltage is 1.8V, the discharge time required are: 5.27h, 5.4h, 5.53h;
第1次充电电压为2.25V时，充电所需时间分别为3.9h、3.9h、3.9h；When the first charging voltage is 2.25V, the charging time is 3.9h, 3.9h, 3.9h respectively;
则大小为/>，/>大小为1.62，大于/>，其中a为1；but size is /> , /> with a size of 1.62, greater than /> , where a is 1;
故试验结束，铅酸蓄电池性能一致性较差。Therefore, at the end of the test, the performance consistency of the lead-acid battery is poor.
实施例3：Example 3:
按照图1-图3搭建试验装置平台，构建了铅酸蓄电池性能一致性测试装置。According to Figure 1-Figure 3, the test device platform was built, and the lead-acid battery performance consistency test device was constructed.
铅酸蓄电池分别为2V500Ah的a、b、c电池。The lead-acid batteries are a, b, and c batteries of 2V500Ah respectively.
将3只铅酸蓄电池串联成组，在温度为：45℃，振荡频率为60r/min，振幅为6mm，充电电流为75A，充电限压为2.4V，放电电流为75A，放电截止电压为1.75V，设置循环充放电15次；Connect 3 lead-acid batteries in series, at a temperature of 45°C, an oscillation frequency of 60r/min, an amplitude of 6mm, a charge current of 75A, a charge limit voltage of 2.4V, a discharge current of 75A, and a discharge cut-off voltage of 1.75 V, set the charge and discharge cycle 15 times;
第1次放电电压为1.8V时，放电所需时间分别为：5.4h、5.4h、5.4h；When the first discharge voltage is 1.8V, the discharge time required are: 5.4h, 5.4h, 5.4h;
第1次充电电压为2.25V时，充电所需时间分别为3.9h、3.9h、3.9h；When the first charging voltage is 2.25V, the charging time is 3.9h, 3.9h, 3.9h respectively;
第5次放电电压为1.8V时，放电所需时间分别为：5.05h、5.06h、5.03h；When the fifth discharge voltage is 1.8V, the discharge time required are: 5.05h, 5.06h, 5.03h;
第5次充电电压为2.25V时，充电所需时间分别为3.53h、3.52h、3.53h；When the fifth charging voltage is 2.25V, the charging time is 3.53h, 3.52h, and 3.53h respectively;
第10次放电电压为1.8V时，放电所需时间分别为：4.36h、4.31h、4.37h；When the 10th discharge voltage is 1.8V, the discharge time required are: 4.36h, 4.31h, 4.37h;
第10次充电电压为2.25V时，充电所需时间分别为3.01h、3.04h、3.02h；When the 10th charging voltage is 2.25V, the charging time is 3.01h, 3.04h, 3.02h respectively;
第15次放电电压为1.8V时，放电所需时间分别为：3.01h、3.07h、3.03h；When the 15th discharge voltage is 1.8V, the discharge time required are: 3.01h, 3.07h, 3.03h;
第15次充电电压为2.25V时，充电所需时间分别为2.21h、2.194h、2.24h；When the 15th charging voltage is 2.25V, the charging time is 2.21h, 2.194h, and 2.24h respectively;
则大小为/>，/>大小为0.911，满足</>，/>大小为/>，大小为0.6644，满足/></>，其中a为15；故试验结束，铅酸蓄电池性能一致性优良。but size is /> , /> The size is 0.911, satisfying </> , /> size is /> , The size is 0.6644, satisfying /> </> , where a is 15; so the test is over, and the performance consistency of the lead-acid battery is excellent.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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