CN102692603B - Battery discharge test circuit - Google Patents
Battery discharge test circuit Download PDFInfo
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- CN102692603B CN102692603B CN201110067487.1A CN201110067487A CN102692603B CN 102692603 B CN102692603 B CN 102692603B CN 201110067487 A CN201110067487 A CN 201110067487A CN 102692603 B CN102692603 B CN 102692603B
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Abstract
The invention relates to a battery discharge test circuit. The battery discharge test circuit comprises a battery positive terminal, a battery negative terminal, a sampling resistor R1, a sampling resistor R2, a discharging resistor R3, a resistor R4, a resistor R5, a setting resistor R6, a resistor R7, a resistor R8, an adjustment resistor R9, an adjustment resistor R10, a capacitor C1, a bidirectional thyristor Q1, a triode Q2, a power supply terminal VCC, a voltage comparator AR1 and an alarming unit LS1. According to a scheme mentioned above, different discharging currents and different discharging voltages can be set by adjusting adjustable resistors to assist in solving problems caused by the fact that inconvenience and low testing efficiency exist due to requirement of different test circuits for different batteries, and thereby the battery discharge test circuit is compatible with designs of discharge test circuits of a variety of batteries and is advantaged by simplicity, reliability and compatibility with a variety of battery tests; application cost is reduced; user use effect is greatly improved; and economic benefits are high.
Description
[technical field]
The present invention relates to a kind of battery discharge test circuit, especially relate to a kind of can the battery discharge test circuit of compatible multiple battery model.
[background technology]
Battery is more and more extensive as a kind of application of power for subsequent use, the discharge performance of battery is the important indicator weighing battery quality, but current battery is of a great variety, various battery capacity is also different, the size of discharge current is also different, the size of sparking voltage is also different, and the discharge performance of such test battery needs corresponding test circuit of all kinds, thus the convenience of impact test and testing efficiency.
Therefore, prior art needs to improve.
[summary of the invention]
In view of this, be necessary to propose a kind of can the battery discharge test circuit of compatible multiple battery model.
A technical scheme of the present invention is, a kind of battery discharge test circuit, comprises anode terminals, battery cathode terminals, sampling resistor R1, sampling resistor R2, discharge resistance R3, resistance R4, resistance R5, setting resistance R6, resistance R7, resistance R8, regulating resistance R9, regulating resistance R10, electric capacity C1, bidirectional thyristor Q1, triode Q2, power end VCC, voltage comparator AR1 and alarm unit LS1; Wherein, anode terminals, regulating resistance R9, resistance R5, battery cathode terminals connect successively; Resistance R5, battery cathode terminals indirectly; It is in parallel with regulating resistance R9 after discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 gate pole, resistance R4 connect successively; Bidirectional thyristor Q1 second main terminal ground connection; Anode terminals, sampling resistor R1, sampling resistor R2, battery cathode terminals connect successively; Electric capacity C1 is in parallel with sampling resistor R2, between sampling resistor R1 and sampling resistor R2, arrange sampled point, for obtaining sampled voltage Vbt; Power end VCC is connected rear ground connection successively with setting resistance R6, regulating resistance R10, between setting resistance R6 and regulating resistance R10, arrange reference point, for obtaining reference voltage V rf; The inverting input of voltage comparator AR1 is connected with described sampled point, and in-phase input end is connected with described reference point, and power input is connected with power end VCC, earth terminal ground connection, and signal output part is connected rear ground connection successively with resistance R7, resistance R8; Alarm unit LS1 is connected with power end VCC, triode Q2 collector respectively; Triode Q2 base stage is connected between resistance R7 and resistance R8, grounded emitter.
Be applied to such scheme, in described battery discharge test circuit, anode terminals successively after connecting circuit protective tube F1, anti-reverse diode D1 positive pole, anti-reverse diode D1 negative pole, then are connected respectively with sampling resistor R1, discharge resistance R3, regulating resistance R9.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, also comprise voltage indicator gauge V1 and electric current indicator gauge V2; After anti-reverse diode D1 negative pole series current indicator gauge V2, then be connected respectively with discharge resistance R3, regulating resistance R9; After electric current indicator gauge V2 is connected successively with discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 second main terminal, more in parallel with voltage indicator gauge V1.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, the sliding end of regulating resistance R9 is connected with anode terminals, discharge resistance R3 respectively.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, the sliding end of regulating resistance R10 is connected with setting resistance R6.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, described triode Q2 is NPN type triode.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, in parallel with resistance R5 after resistance R4, bidirectional thyristor Q1 gate pole, bidirectional thyristor Q1 second main terminal connect successively.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, voltage comparator AR1 is an operational amplifier.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, resistance R5, battery cathode terminals, bidirectional thyristor Q1 second main terminal, sampling resistor R2, electric capacity C1 are connected altogether with voltage indicator gauge V1, and regulating resistance R10, voltage comparator AR1 earth terminal, resistance R8 are connected altogether with triode Q2 emitter.
Be applied to above-mentioned each scheme, in described battery discharge test circuit, described alarm unit is a loudspeaker or hummer.
Such scheme, by regulating adjustable resistance to set different discharge currents and sparking voltage, solve the problem that not convenient and testing efficiency that different battery needs different test circuit to bring is not high, thus be applicable to the discharge test circuit design of compatible multiple battery, there is the advantages such as simple, reliable, compatible multiple battery test, reduce application cost, greatly enhance the result of use of user, high financial profit.
[accompanying drawing explanation]
Fig. 1 is the circuit diagram of one embodiment of the invention.
[embodiment]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, one embodiment of the present of invention are, a kind of battery discharge test circuit, comprises anode terminals, battery cathode terminals, sampling resistor R1, sampling resistor R2, discharge resistance R3, resistance R4, resistance R5, setting resistance R6, resistance R7, resistance R8, regulating resistance R9, regulating resistance R10, electric capacity C1, bidirectional thyristor Q1, triode Q2, power end VCC, voltage comparator AR1 and alarm unit LS1.Such as, voltage comparator AR1 is an operational amplifier, as an operation amplifier circuit is in the differential amplifier circuit of open loop situations.
As shown in Figure 1, anode terminals, regulating resistance R9, resistance R5, battery cathode terminals connect successively; Preferably, anode terminals successively after connecting circuit protective tube F1, anti-reverse diode D1 positive pole, anti-reverse diode D1 negative pole, then are connected with regulating resistance R9.Another example is, anode terminals are connected with the sliding end of regulating resistance R9, or anode terminals successively after connecting circuit protective tube F1, anti-reverse diode D1 positive pole, anti-reverse diode D1 negative pole, then are connected with the sliding end of regulating resistance R9.Wherein, anode terminals are connected with the positive pole of external cell to be tested, and battery cathode terminals are connected with the negative pole of external cell to be tested, and namely anode terminals, battery cathode terminals are connected respectively to positive pole, the negative pole of external cell.
Further, resistance R5, battery cathode terminals indirectly; That is, anode terminals, regulating resistance R9, resistance R5 connect rear ground connection successively, battery cathode terminals ground connection.
It is in parallel with regulating resistance R9 after discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 gate pole, resistance R4 connect successively; That is, after discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 gate pole, resistance R4 series connection, the circuit of composition, in parallel with regulating resistance R9.Further, bidirectional thyristor Q1 second main terminal ground connection.Like this, battery forms discharge loop by discharge resistance R3 and bidirectional thyristor Q1, thus discharges; Further, adopt the resistance that regulating resistance R9 regulates as discharge current, the conduction angle size changing Q1 by regulating resistance R9, just can set the size of discharge current.That is, by regulating the resistance size of adjustable resistance R9, set different discharge currents and the size of sparking voltage, to realize a kind of easy discharge test circuit described in various embodiments of the present invention, with the requirement of satisfied different battery discharge test, thus solve the not high problem of not convenient and testing efficiency that different battery needs different test circuit to bring.Preferably, the sliding end of regulating resistance R9 is connected with anode terminals, discharge resistance R3 respectively.Another example is, in parallel with resistance R5 after resistance R4, bidirectional thyristor Q1 gate pole, bidirectional thyristor Q1 second main terminal connect successively.
Anode terminals, sampling resistor R1, sampling resistor R2, battery cathode terminals connect successively; That is, the circuit of composition after sampling resistor R1, sampling resistor R2 series connection, the circuit in parallel formed after connecting with regulating resistance R9, resistance R5.Further, anode terminals, sampling resistor R1, sampling resistor R2 connect rear ground connection successively.Like this, using resistance R1, resistance R2 as the sampling resistor of cell voltage, two resistance form sampled voltage Vbt after dividing potential drop.
Electric capacity C1 is in parallel with sampling resistor R2, between sampling resistor R1 and sampling resistor R2, arrange sampled point, as shown in Figure 1, for obtaining sampled voltage Vbt; Further, power end VCC is connected rear ground connection successively with setting resistance R6, regulating resistance R10, between setting resistance R6 and regulating resistance R10, arrange reference point, for obtaining reference voltage V rf.Like this, using resistance R6, resistance R10 as the reference voltage of comparator circuit setting resistance, two resistance form reference voltage V rf after dividing potential drop.Like this, just can change reference voltage V rf by regulating adjustable resistance R10, thus change cell discharge voltage value, to adapt to different cell discharge voltage.Preferably, the sliding end of regulating resistance R10 is connected with setting resistance R6.
Inverting input (the i.e. negative pole end of voltage comparator AR1,-end) be connected with described sampled point, in-phase input end (i.e. positive terminal, + end) be connected with described reference point, power input is connected with power end VCC, earth terminal ground connection, signal output part Vout outputs level signals, it is connected rear ground connection successively with resistance R7, resistance R8; Further, triode Q2 base stage is connected between resistance R7 and resistance R8, grounded emitter.Preferably, described triode Q2 is NPN type triode
Alarm unit LS1 is connected with power end VCC, triode Q2 collector respectively.Such as, described alarm unit is a loudspeaker (Speaker) or hummer or LED and interlock circuit thereof, when sampled voltage Vbt is lower than reference voltage V rf, comparer AR1 exports high level, drive triode Q2 conducting, alarm unit LS1 conducting is also sounded and/or blinking light, prompting user.Such as, when in battery discharge procedure, cell voltage constantly declines, sampled voltage Vbt also constantly declines, and when sampled voltage Vbt is less than reference voltage V rf, comparer AR1 exports high level, drive triode Q2 conducting, hummer conducting is also sounded, and prompting sparking voltage has arrived.
Be applied to above-mentioned each example and combination thereof, in described battery discharge test circuit, anode terminals successively after connecting circuit protective tube F1, anti-reverse diode D1 positive pole, anti-reverse diode D1 negative pole, then are connected respectively with sampling resistor R1, discharge resistance R3, regulating resistance R9.Adopt circuit protective tube F1, can prevent circuit below from damaging and produce big current and damage battery to be tested; Adopting anti-reverse diode, causing circuit to damage for preventing cell input terminal reversal connection.Like this, by directly regulating adjustable resistance to realize discharge current and the sparking voltage of different battery, the problem that not convenient and testing efficiency that different battery needs different test circuit to bring is not high can be solved.
Be applied to above-mentioned each example and combination thereof, in described battery discharge test circuit, also comprise voltage indicator gauge V1 and electric current indicator gauge V2; After anti-reverse diode D1 negative pole series current indicator gauge V2, then be connected respectively with discharge resistance R3, regulating resistance R9; After electric current indicator gauge V2 is connected successively with discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 second main terminal, more in parallel with voltage indicator gauge V1.Like this, by voltage indicator gauge V1 and electric current indicator gauge V2, cell voltage and observation battery discharge current just can be observed intuitively.Such as, by the conduction angle size regulating R9 to change Q1, the size of setting discharge current, and show by V2 reometer, to adapt to different battery discharge current, there is good compatibility.
Be applied to above-mentioned each example and combination thereof, in described battery discharge test circuit, resistance R5, battery cathode terminals, bidirectional thyristor Q1 second main terminal, sampling resistor R2, electric capacity C1 are connected altogether with voltage indicator gauge V1, and regulating resistance R10, voltage comparator AR1 earth terminal, resistance R8 are connected altogether with triode Q2 emitter.Or be simplified design, the components and parts of all ground connection connect all altogether.
The various embodiments described above provide the circuit of compatible multiple battery discharge test, can the not high problem of the efficient solution not convenient and testing efficiency that never needs different test circuit to bring with battery, thus improve the convenience of test and the efficiency of test.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; Further, each technical characteristic listed above, it mutually combines and can form each embodiment, should be regarded as the scope belonging to instructions of the present invention record.For the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a battery discharge test circuit, it is characterized in that, comprise anode terminals, battery cathode terminals, sampling resistor R1, sampling resistor R2, discharge resistance R3, resistance R4, resistance R5, setting resistance R6, resistance R7, resistance R8, regulating resistance R9, regulating resistance R10, electric capacity C1, bidirectional thyristor Q1, triode Q2, power end VCC, voltage comparator AR1 and alarm unit LS1; Wherein,
Anode terminals, regulating resistance R9, resistance R5, battery cathode terminals connect successively; Resistance R5, battery cathode terminals indirectly;
It is in parallel with regulating resistance R9 after discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 gate pole, resistance R4 connect successively;
Bidirectional thyristor Q1 second main terminal ground connection;
Anode terminals, sampling resistor R1, sampling resistor R2, battery cathode terminals connect successively; Electric capacity C1 is in parallel with sampling resistor R2, between sampling resistor R1 and sampling resistor R2, arrange sampled point, for obtaining sampled voltage Vbt;
Power end VCC is connected rear ground connection successively with setting resistance R6, regulating resistance R10, between setting resistance R6 and regulating resistance R10, arrange reference point, for obtaining reference voltage V rf;
The inverting input of voltage comparator AR1 is connected with described sampled point, and in-phase input end is connected with described reference point, and power input is connected with power end VCC, earth terminal ground connection, and signal output part is connected rear ground connection successively with resistance R7, resistance R8;
Alarm unit LS1 is connected with power end VCC, triode Q2 collector respectively;
Triode Q2 base stage is connected between resistance R7 and resistance R8, grounded emitter.
2. battery discharge test circuit according to claim 1, it is characterized in that, anode terminals successively after connecting circuit protective tube F1, anti-reverse diode D1 positive pole, anti-reverse diode D1 negative pole, then are connected respectively with sampling resistor R1, discharge resistance R3, regulating resistance R9.
3. battery discharge test circuit according to claim 2, is characterized in that, also comprises voltage indicator gauge V1 and electric current indicator gauge V2; After anti-reverse diode D1 negative pole series current indicator gauge V2, then be connected respectively with discharge resistance R3, regulating resistance R9; After electric current indicator gauge V2 is connected successively with discharge resistance R3, bidirectional thyristor Q1 first main terminal, bidirectional thyristor Q1 second main terminal, more in parallel with voltage indicator gauge V1.
4. battery discharge test circuit according to claim 3, is characterized in that, the sliding end of regulating resistance R9 is connected with anode terminals, discharge resistance R3 respectively.
5. battery discharge test circuit according to claim 4, is characterized in that, the sliding end of regulating resistance R10 is connected with setting resistance R6.
6., according to the arbitrary described battery discharge test circuit of claim 1 to 5, it is characterized in that, described triode Q2 is NPN type triode.
7. battery discharge test circuit according to claim 6, is characterized in that, in parallel with resistance R5 after resistance R4, bidirectional thyristor Q1 gate pole, bidirectional thyristor Q1 second main terminal connect successively.
8. battery discharge test circuit according to claim 7, is characterized in that, voltage comparator AR1 is an operational amplifier.
9. battery discharge test circuit according to claim 8, it is characterized in that, resistance R5, battery cathode terminals, bidirectional thyristor Q1 second main terminal, sampling resistor R2, electric capacity C1 are connected altogether with voltage indicator gauge V1, and regulating resistance R10, voltage comparator AR1 earth terminal, resistance R8 are connected altogether with triode Q2 emitter.
10. battery discharge test circuit according to claim 9, is characterized in that, described alarm unit LS1 is a loudspeaker or hummer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067487.1A CN102692603B (en) | 2011-03-21 | 2011-03-21 | Battery discharge test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067487.1A CN102692603B (en) | 2011-03-21 | 2011-03-21 | Battery discharge test circuit |
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| Publication Number | Publication Date |
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| CN102692603A CN102692603A (en) | 2012-09-26 |
| CN102692603B true CN102692603B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110067487.1A Expired - Fee Related CN102692603B (en) | 2011-03-21 | 2011-03-21 | Battery discharge test circuit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184174A (en) * | 2013-05-21 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Cyclic battery charging and discharging circuit |
| CN104682900B (en) * | 2013-11-26 | 2019-03-22 | 深圳市海洋王照明工程有限公司 | Pressurization extension control circuit |
| CN104305628B (en) * | 2014-11-11 | 2017-01-11 | 国家电网公司 | Multifunctional monitoring alarm safety helmet for electric power |
| CN113793815B (en) * | 2021-09-26 | 2024-04-26 | 杭州广立测试设备有限公司 | Wide-voltage-range high-speed multistage discharge circuit, test system and discharge method |
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| GB2130735A (en) * | 1982-11-17 | 1984-06-06 | Electricity Council | Battery testing apparatus |
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| CN1776445A (en) * | 2005-11-29 | 2006-05-24 | 陈欢 | Battery capacity rapid detecting instrument |
| CN201134683Y (en) * | 2007-12-28 | 2008-10-15 | 希姆通信息技术（上海）有限公司 | Alarm circuit for battery discharging |
| CN201681147U (en) * | 2010-04-25 | 2010-12-22 | 郑驰 | Storage battery testing circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948662A (en) * | 1982-09-13 | 1984-03-19 | Nippon Telegr & Teleph Corp <Ntt> | Apparatus for testing charge and discharge |
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2011
- 2011-03-21 CN CN201110067487.1A patent/CN102692603B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| GB2130735A (en) * | 1982-11-17 | 1984-06-06 | Electricity Council | Battery testing apparatus |
| EP0146377A1 (en) * | 1983-12-16 | 1985-06-26 | The Commonwealth Of Australia | Battery testing circuit |
| CN1776445A (en) * | 2005-11-29 | 2006-05-24 | 陈欢 | Battery capacity rapid detecting instrument |
| CN201134683Y (en) * | 2007-12-28 | 2008-10-15 | 希姆通信息技术（上海）有限公司 | Alarm circuit for battery discharging |
| CN201681147U (en) * | 2010-04-25 | 2010-12-22 | 郑驰 | Storage battery testing circuit |
Non-Patent Citations (3)
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| 刘俊峰 等.蓄电池充/放电过程中的单体电压检测***.《现代城市轨道交通》.2005,第41-42页. * |
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| CN102692603A (en) | 2012-09-26 |
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