CN203365644U - Portable battery pack fault measuring and judging device - Google Patents
Portable battery pack fault measuring and judging device Download PDFInfo
- Publication number
- CN203365644U CN203365644U CN2013202045281U CN201320204528U CN203365644U CN 203365644 U CN203365644 U CN 203365644U CN 2013202045281 U CN2013202045281 U CN 2013202045281U CN 201320204528 U CN201320204528 U CN 201320204528U CN 203365644 U CN203365644 U CN 203365644U
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- Prior art keywords
- voltage
- battery pack
- battery
- circuit
- discharge
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- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000008151 electrolyte solution Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
本实用新型公开了一种便携式电池组故障测量判断装置，其特征在于：包括放电电路和一个或多个检测模块，检测模块包括电压显示模块和放电比较模块，电压显示模块包括相连的电压测量电路和电压显示屏；放电比较模块包括电压比较电路和报警显示模块。本实用新型通过放电电路对电池组进行放电，当放电到预设定的比较电压时，测量电路报警提示；查看各个电池的电压值并与电池组电压值除以电池个数所得的平均电压进行比较，此时各分支电池电压值与平均电压值差距最大的电池即为发生故障的电池；该系统依据电池组各电池间形成电势差加速放电的原理，能够实现对电池组是否正常工作进行快速检测，具有操作简单，成本低廉的优点。
The utility model discloses a portable battery pack fault measurement and judgment device, which is characterized in that it includes a discharge circuit and one or more detection modules, the detection module includes a voltage display module and a discharge comparison module, and the voltage display module includes a connected voltage measurement circuit and voltage display; the discharge comparison module includes a voltage comparison circuit and an alarm display module. The utility model discharges the battery pack through the discharge circuit, and when the discharge reaches the preset comparison voltage, the measuring circuit gives an alarm prompt; the voltage value of each battery is checked and the average voltage obtained by dividing the voltage value of the battery pack by the number of batteries is calculated. In comparison, at this time, the battery with the largest difference between the voltage value of each branch battery and the average voltage value is the battery that has failed; the system can quickly detect whether the battery pack is working normally based on the principle of accelerating discharge due to the potential difference formed between the batteries in the battery pack , has the advantages of simple operation and low cost.
Description
Technical field
The utility model relates to a kind of measurement judgment means, relates in particular to a kind of portable battery pack fault measuring judgment means.
Background technology
Along with popularizing of electricity consumption, the application of battery is more and more extensive, relates to numerous industries such as communication, electric power, traffic.Modern consumer is increasing to the demand of battery capacity, as electric bicycle, electric automobile, needs multistage battery to be composed in series electric battery and is used.Major part or lead-acid accumulator that electric bicycle, electric automobile use, during this lead acid battery charge, the spongy lead that becomes negative and positive the two poles of the earth of lead sulfate is discharged into the sulfuric acid composition be fixed therein in electrolytic solution, become respectively spongy lead and massicot, it is large that the sulfuric acid concentration in electrolytic solution constantly becomes; Otherwise massicot during electric discharge in anode and the spongy lead on minus plate and the sulfuric acid in electrolytic solution react and become lead sulfate, and the sulfuric acid concentration in electrolytic solution constantly reduces.Because lead acid battery charge is not enough or long-term undercharge, can cause the lead sulfate crystallization, make plate vulcanizing, it is bad that battery quality becomes; If instead battery overcharges, the amount of oxygen that anode produces is greater than the adsorptive power of negative electrode, makes accumulator internal pressure increase, cause gas excessive, electrolytic solution reduces, and also may cause active substance soften or come off, and all can impact or cause to battery life the lower degradation fault of quality.And, for a complete electric battery, if wherein a certain battery goes wrong, will form electric potential difference, and cause whole battery power discharge fast, affect the serviceability of electric battery.
Measuring battery instrument, battery meter are also measured design in higher level at present, are all by the measurement to the electric battery internal resistance, infer the quality of battery quality, complex structure, and cost is higher.
The utility model content
The purpose of this utility model is to provide a kind of portable battery pack fault measuring judgment means, can whether in normal operating conditions, be detected electric battery, and judge the battery broken down, can reduce the testing cost of existing battery measurement instrument, there is advantage simple to operate, with low cost.
The utility model adopts following technical proposals:
A kind of portable battery pack fault measuring judgment means, it is characterized in that: comprise discharge circuit and one or more detection module, detection module comprises voltage display module and electric discharge comparison module, and voltage display module comprises connected tension measuring circuit and voltage display screen; The electric discharge comparison module comprises voltage comparator circuit and alarm display module.
Described voltage comparator circuit adopts the LM339 comparer.
Described power input connects the first input end of LM339 comparer by adjustable resistance; Discharge circuit connects the second input end of LM339 comparer by the first resistance.
Described alarm display module comprises the light emitting diode of constant pressure source and two reverse parallel connections, and parallel circuit one end of two light emitting diode compositions connects the output terminal of LM339 comparer, and the other end of parallel circuit connects constant pressure source.
Described voltage display module adopts the ICL7129 circuit board.
Described voltage display screen adopts the LCD LCDs.
Described discharge circuit adopts resistance wire.
The utility model is discharged to electric battery by discharge circuit, when discharging into the comparative voltage presetted, and the metering circuit alarm; Check the magnitude of voltage of each battery and compare with the average voltage of battery voltage value divided by battery number gained, now the battery of each branch's battery voltage value and average voltage level disparity is the battery broken down; This system, according to forming the principle that electric potential difference is accelerated electric discharge between each battery of electric battery, can realize whether electric battery is worked and carry out fast detecting, has advantage simple to operate, with low cost.
The accompanying drawing explanation
Theory diagram when Fig. 1 is connection electric battery of the present utility model;
Theory diagram when Fig. 2 is connection battery of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises discharge circuit and one or more detection module, discharge circuit can adopt resistance wire R2, and detection module comprises voltage display module and electric discharge comparison module, and voltage display module comprises connected tension measuring circuit and voltage display screen; The electric discharge comparison module comprises voltage comparator circuit and alarm display module.Described voltage comparator circuit adopts the LM339 comparer.Set comparative voltage for the ease of the user, power input can be connected to the first input end of LM339 comparer by adjustable resistance Rw; Discharge circuit connects the second input end of LM339 comparer by the first resistance R 1.Alarm display module comprises light emitting diode and the constant pressure source of two reverse parallel connections, and an end of the parallel circuit of two light emitting diode compositions connects the output terminal of LM339 comparer, and the other end of parallel circuit connects constant pressure source.For the ease of distinguishing, the first LED 1 can adopt red light emitting diodes, and the second LED 2 can adopt green LED.Voltage display module can adopt the ICL7129 circuit board, is equipped with the voltage display screen that adopts the LCD LCDs, high precision, high-resolution demonstration real-time voltage.
In the present embodiment, electric battery is comprised of three batteries, and the utility model is comprised of four detection modules.In use, at first the user is composed in series electric battery by three batteries, then the output terminal of electric battery is connected to the voltage display module in first detection module, and connects the electric discharge comparison module in first detection module by resistance wire R2.Concrete annexation is: the output terminal of electric battery is connected the second input end of LM339 comparer by resistance wire R2 with the first resistance R 1; Power input connects the first input end of LM339 comparer by adjustable resistance Rw, the output terminal of comparer connects an end of the parallel circuit of two light emitting diodes compositions, and the other end of parallel circuit connects constant pressure source; Simultaneously, the output terminal of electric battery also connects tension measuring circuit and voltage display screen successively.In like manner, three batteries are connected respectively to the second detection module, the 3rd detection module and the 4th detection module.
The user sets the comparative voltage in four detection modules by adjustable resistance Rw, and can set comparative voltage is 9/10 of assembled battery total voltage.During work, electric battery is discharged by resistance wire R2, when assembled battery total voltage is greater than setting voltage, and LM339 comparer output HIGH voltage; Because LM339 comparer output HIGH voltage is greater than constant source voltage, green glow is sent in the second LED 2 work; When assembled battery total voltage is less than setting voltage, LM339 comparer output LOW voltage, because LM339 comparer output LOW voltage is less than constant source voltage, ruddiness is sent in the first LED 1 work, and prompting user electric battery has been discharged to setting voltage.The user also can utilize voltage display screen observation post survey battery voltage whether to reach setting voltage.
When electric battery has been discharged to setting voltage, the user observes respectively the alarm display module in the second detection module, the 3rd detection module and the 4th detection module, if the alarm display module of three battery connections does not all send ruddiness and reported to the police, prove that obvious fault appears in whole electric battery; If the alarm display module of three battery connections sends ruddiness and is reported to the police, the voltage display screen that utilizes respectively three batteries to connect reads voltage separately, if certain piece cell voltage reading and other two cell voltage reading disparities, this piece battery breaks down, will cause whole battery power discharge fast, affect the serviceability of electric battery.
The utility model also can be used a detection module respectively whole electric battery and three batteries to be detected.The utility model also can be put into same housing by a plurality of detection modules, reserves the input end of corresponding module.
In the utility model, LM339 comparer, constant pressure source, ICL7129 circuit board and LCD LCDs are ripe prior art, do not repeat them here.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202045281U CN203365644U (en) | 2013-04-22 | 2013-04-22 | Portable battery pack fault measuring and judging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202045281U CN203365644U (en) | 2013-04-22 | 2013-04-22 | Portable battery pack fault measuring and judging device |
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| Publication Number | Publication Date |
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| CN203365644U true CN203365644U (en) | 2013-12-25 |
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| CN2013202045281U Expired - Fee Related CN203365644U (en) | 2013-04-22 | 2013-04-22 | Portable battery pack fault measuring and judging device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777421A (en) * | 2015-04-24 | 2015-07-15 | 陈锡瑜 | Method and device for automatically detecting abnormality of capacitor tripping device |
| CN106501711A (en) * | 2016-10-20 | 2017-03-15 | 法乐第(北京)网络科技有限公司 | Abort situation detection method, device, accumulator cell assembly and motor vehicles |
| CN107659265A (en) * | 2017-11-09 | 2018-02-02 | 陆刚 | Photovoltaic panel fault detection device and system |
| CN109342948A (en) * | 2018-09-27 | 2019-02-15 | 北京凯华网联新能源技术有限公司 | Portable type solar energy battery component performance detection comparator |
-
2013
- 2013-04-22 CN CN2013202045281U patent/CN203365644U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777421A (en) * | 2015-04-24 | 2015-07-15 | 陈锡瑜 | Method and device for automatically detecting abnormality of capacitor tripping device |
| CN104777421B (en) * | 2015-04-24 | 2019-02-22 | 陈锡瑜 | Method and device for automatically detecting abnormality of capacitor tripping device |
| CN106501711A (en) * | 2016-10-20 | 2017-03-15 | 法乐第(北京)网络科技有限公司 | Abort situation detection method, device, accumulator cell assembly and motor vehicles |
| CN107659265A (en) * | 2017-11-09 | 2018-02-02 | 陆刚 | Photovoltaic panel fault detection device and system |
| CN109342948A (en) * | 2018-09-27 | 2019-02-15 | 北京凯华网联新能源技术有限公司 | Portable type solar energy battery component performance detection comparator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151103 Address after: 462600, Linying County, Luohe province Henan industrial agglomeration area by the middle of the road Patentee after: Henan Ying Tian Electronic Technology Co., Ltd. Address before: 450064 Zhengzhou Economic Development Zone, 27 District, Henan, Xueyuan Road, No. 1, Zhengzhou Institute of Science and Technology Patentee before: University of Science&Technology Zhengzhou |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |