CN203365644U - Portable battery pack fault measuring and judging device - Google Patents
Portable battery pack fault measuring and judging device Download PDFInfo
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- 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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Abstract
The utility model discloses a portable battery pack fault measuring and judging device, which is characterized by comprising a discharging circuit and one or more detection modules, wherein the detection module comprises a voltage display module and a discharge comparison module, and the voltage display module comprises a voltage measuring circuit and a voltage display screen which are connected with each other; and the discharge comparison module comprises a voltage comparison circuit and an alarm display module. The portable battery pack fault measuring and judging device discharges a battery pack through the discharging circuit, and the measuring circuit alarms to prompt when the battery pack is discharged to preset comparison voltage; voltage values of batteries are checked and compared with an average voltage value acquired by dividing a voltage value of the battery pack by the number of the batteries, and the battery whose gap between the voltage value and the average voltage value is the maximum is the battery broken down. The system disclosed by the utility model can detect whether the battery pack operates normally or not quickly according to a principle that potential difference formed among batteries of the battery pack accelerates discharging, and 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)
1. a 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.
2. portable battery pack fault measuring judgment means according to claim 1, is characterized in that: described voltage comparator circuit employing LM339 comparer.
3. portable battery pack fault measuring judgment means according to claim 2, it is characterized in that: 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.
4. portable battery pack fault measuring judgment means according to claim 3, it is characterized in that: described alarm display module comprises the light emitting diode of constant pressure source and two reverse parallel connections, 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.
5. portable battery pack fault measuring judgment means according to claim 4, is characterized in that: described voltage display module employing ICL7129 circuit board.
6. portable battery pack fault measuring judgment means according to claim 5, is characterized in that: described voltage display screen employing LCD LCDs.
7. portable battery pack fault measuring judgment means according to claim 6, is characterized in that: described discharge circuit employing resistance wire.
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 |
Applications Claiming Priority (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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| 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 abnormity of capacitor tripping device (CTD) |
| 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 failure detector 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 abnormity of capacitor tripping device (CTD) |
| CN104777421B (en) * | 2015-04-24 | 2019-02-22 | 陈锡瑜 | The method and apparatus of Auto-Sensing capacitor tripping device exception |
| 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 failure detector 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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Legal Events
| 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 |