CN103546032A - Single-node battery simulation circuit used for three-string balance charger detection - Google Patents
Single-node battery simulation circuit used for three-string balance charger detection Download PDFInfo
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- CN103546032A CN103546032A CN201310493599.2A CN201310493599A CN103546032A CN 103546032 A CN103546032 A CN 103546032A CN 201310493599 A CN201310493599 A CN 201310493599A CN 103546032 A CN103546032 A CN 103546032A
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Abstract
The invention discloses a single-node battery simulation circuit used for three-string balance charger detection. A drive power supply is connected with a collector of a triode Q1, the collector of the triode Q1 is connected with a base of the triode Q1 through a resistor R1, the base of the triode Q1 is connected with a positive electrode of a current reference source U4, a negative electrode of the current reference source U4 is connected with one end of an adjustable resistor R3 and is grounded, a current setting end of the current reference source U4 is connected with the other end of the adjustable resistor R3 and one end of a resistor R2, the other end of the resistor R2 is connected with an emitter of the triode Q1 and a positive electrode of a diode D1, a negative electrode of the diode D1 is connected with a voltage output end V1 through a switch SB1, the other end of a voltmeter T1is connected on a circuit between the diode D1 and the switch SB1, and rest two paths and a first path are identical. By the aid of the circuit, voltage of a single-node battery can be simulated and adjusted, voltage value of the single-node battery is provided for detection, detection accuracy is improved, and accordingly qualification rate of a product is guaranteed.
Description
Technical field
The present invention relates to a kind of simulated battery circuit, specifically a kind of simulation single battery circuit detecting for three string equalizing chargers.
Background technology
Lithium battery has become the power supply of increasing electric equipment, and lithium battery charger is the corollary equipment of lithium battery indispensability.The patent No. is ZL200920036024.7, the day for announcing is that the Chinese patent of " 3 lithium battery equalizing charger " on December 23rd, 2009 discloses a kind of 3 lithium battery equalizing chargers, housing, pcb board, LED lamp, battery contact piece, power line and built-in high frequency switch power, MCU control part and hardware protection circuit, partly consists of; Front end at pcb board is equipped with LED lamp and battery contact piece and is all fixed on pcb board.Housing comprises upper shell and lower house.On lower house, be provided with screw column, upper shell is connected with lower house by screw, and pcb board is fixed on lower house.High frequency switch power is partly contained in the middle part of pcb board, is provided with MCU control section and hardware protection circuit part on pcb board, and LED lamp is connected with MCU control section, and MCU control section is partly connected with hardware protection circuit.MCU control section, hardware protection circuit part are all partly connected with high frequency switch power with LED lamp.Its advantage is: the charging that has guaranteed lithium battery bag completely and safeguard protection, has been omitted the baffle of power brick inside simultaneously, has saved greatly the cost of power brick.In order to ensure the validity of this charger defencive function, in production process, need the defencive function of this charger to detect; Existing detection is all single battery voltage to be set as to fixed value then connect the detection that this charger carries out defencive function.But due to electronic product, because the discrete feature of element all can occur certain deviation, owing to regulating, cause the result of detection inaccurate, cannot determine whether qualified products, thereby affect the qualification rate of product.
Summary of the invention
The problem existing for above-mentioned prior art, the invention provides a kind of simulation single battery circuit detecting for three string equalizing chargers, can simulate single battery voltage and can regulate, provide and detect required single battery magnitude of voltage, improve the accuracy detecting, thereby guarantee the qualification rate of product.
To achieve these goals, the technical solution used in the present invention is: a kind of simulation single battery circuit detecting for three string equalizing chargers, comprise stabilized voltage power supply U1, stabilized voltage power supply U2, stabilized voltage power supply U3, current reference source U4, current reference source U5, current reference source U6, voltmeter T1, voltmeter T2, voltmeter T3, resistance R 1, resistance R 2, resistance R 4, resistance R 5, resistance R 7, resistance R 8, adjustable resistance R3, adjustable resistance R6, adjustable resistance R9, triode Q1, triode Q2, triode Q3, diode D1, diode D2, diode D3, switch S B1, switch S B2 and switch S B3, driving power is respectively by stabilized voltage power supply U1, one end of stabilized voltage power supply U2 and stabilized voltage power supply U3 and voltmeter T1, one end of voltmeter T2 is connected with one end of voltmeter T3, the collector electrode of driving power and triode Q1, the collector electrode of triode Q2 is connected with the collector electrode of triode Q3,
The collector electrode of described triode Q1 is connected with the base stage of triode Q1 by resistance R 1, the base stage of triode Q1 is connected with the positive pole of current reference source U4, the negative pole of current reference source U4 is connected with one end of adjustable resistance R3 and ground connection, the current settings end of current reference source U4 is connected with one end of resistance R 2 with the other end of adjustable resistance R3, the other end of resistance R 2 is connected with the positive pole of diode D1 with the emitter of triode Q1, the negative pole of diode D1 is connected with V1 voltage output end by switch S B1, the other end of described voltmeter T1 is connected to the circuit between diode D1 and switch S B1,
The collector electrode of described triode Q2 is connected with the base stage of triode Q2 by resistance R 4, the base stage of triode Q2 is connected with the positive pole of current reference source U5, the negative pole of current reference source U5 is connected with one end of adjustable resistance R6 and ground connection, the current settings end of current reference source U5 is connected with one end of resistance R 5 with the other end of adjustable resistance R6, the other end of resistance R 5 is connected with the positive pole of diode D2 with the emitter of triode Q2, the negative pole of diode D2 is connected with V2 voltage output end by switch S B2, the other end of described voltmeter T2 is connected to the circuit between diode D2 and switch S B2,
The collector electrode of described triode Q3 is connected with the base stage of triode Q3 by resistance R 7, the base stage of triode Q3 is connected with the positive pole of current reference source U6, the negative pole of current reference source U6 is connected with one end of adjustable resistance R9 and ground connection, the current settings end of current reference source U6 is connected with one end of resistance R 8 with the other end of adjustable resistance R9, the other end of resistance R 8 is connected with the positive pole of diode D3 with the emitter of triode Q3, the negative pole of diode D3 is connected with B+ voltage output end by switch S B3, the other end of described voltmeter T3 is connected to the circuit between diode D3 and switch S B3.
Further, described voltmeter T1, voltmeter T2 and voltmeter T3 are digital display voltmeters.
Further, described switch S B1, switch S B2 and switch S B3 are push-button switches.
Compared with prior art, the mode that the present invention adopts current reference source, adjustable resistance and digital display voltmeter to combine, can simulate single battery voltage and can regulate, and provides and detects required single battery magnitude of voltage, improve the accuracy detecting, thereby guaranteed the qualification rate of product.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes stabilized voltage power supply U1, stabilized voltage power supply U2, stabilized voltage power supply U3, current reference source U4, current reference source U5, current reference source U6, voltmeter T1, voltmeter T2, voltmeter T3, resistance R 1, resistance R 2, resistance R 4, resistance R 5, resistance R 7, resistance R 8, adjustable resistance R3, adjustable resistance R6, adjustable resistance R9, triode Q1, triode Q2, triode Q3, diode D1, diode D2, diode D3, switch S B1, switch S B2 and switch S B3, driving power is respectively by stabilized voltage power supply U1, one end of stabilized voltage power supply U2 and stabilized voltage power supply U3 and voltmeter T1, one end of voltmeter T2 is connected with one end of voltmeter T3, the collector electrode of driving power and triode Q1, the collector electrode of triode Q2 is connected with the collector electrode of triode Q3,
The collector electrode of described triode Q1 is connected with the base stage of triode Q1 by resistance R 1, the base stage of triode Q1 is connected with the positive pole of current reference source U4, the negative pole of current reference source U4 is connected with one end of adjustable resistance R3 and ground connection, the current settings end of current reference source U4 is connected with one end of resistance R 2 with the other end of adjustable resistance R3, the other end of resistance R 2 is connected with the positive pole of diode D1 with the emitter of triode Q1, the negative pole of diode D1 is connected with V1 voltage output end by switch S B1, the other end of described voltmeter T1 is connected to the circuit between diode D1 and switch S B1,
The collector electrode of described triode Q2 is connected with the base stage of triode Q2 by resistance R 4, the base stage of triode Q2 is connected with the positive pole of current reference source U5, the negative pole of current reference source U5 is connected with one end of adjustable resistance R6 and ground connection, the current settings end of current reference source U5 is connected with one end of resistance R 5 with the other end of adjustable resistance R6, the other end of resistance R 5 is connected with the positive pole of diode D2 with the emitter of triode Q2, the negative pole of diode D2 is connected with V2 voltage output end by switch S B2, the other end of described voltmeter T2 is connected to the circuit between diode D2 and switch S B2,
The collector electrode of described triode Q3 is connected with the base stage of triode Q3 by resistance R 7, the base stage of triode Q3 is connected with the positive pole of current reference source U6, the negative pole of current reference source U6 is connected with one end of adjustable resistance R9 and ground connection, the current settings end of current reference source U6 is connected with one end of resistance R 8 with the other end of adjustable resistance R9, the other end of resistance R 8 is connected with the positive pole of diode D3 with the emitter of triode Q3, the negative pole of diode D3 is connected with B+ voltage output end by switch S B3, the other end of described voltmeter T3 is connected to the circuit between diode D3 and switch S B3.
Further, voltmeter T1, voltmeter T2 and voltmeter T3 are digital display voltmeters; Adopt digital display voltmeter to be convenient to user and read magnitude of voltage.
Switch S B1, switch S B2 and switch S B3 can be knife switch or push-button switch, preferred push-button switch, and it is not only easy to use, and convenient installation.
The course of work: the 5V stabilized voltage power supply that driving power obtains by stabilized voltage power supply U1, stabilized voltage power supply U2, stabilized voltage power supply U3 is respectively voltmeter T1, voltmeter T2 and voltmeter T3 provides driving voltage, supports voltmeter work.
Driving power obtains single battery voltage by triode Q1, triode Q2, triode Q3, and the V1 end, V2 end and the B+ that by diode D1, diode D2, diode D3, output to respectively the equalizing charger of test hold, thereby as simulated battery voltage.
Driving power is input to the collector electrode of triode Q1, another road is arrived the base stage of triode Q1 and is connected with the anode of current reference source U4 through resistance R 1, by current reference source U4, form the starting resistor of triode Q1, the current settings end that the voltage of triode Q1 startup output is input to current reference source U4 after resistance R 2 and adjustable resistance R3 dividing potential drop regulates output voltage, reaches the object of regulated output voltage; This circuit is by regulating the resistance size of adjustable resistance R3, height that can regulation output voltage; Output voltage is input to the V1 end of the equalizing charger of test through diode D1.Diode D1 has the large current flowing backwards of the equalizing charger when work output of the test of preventing, damaged line.
Driving power is input to the collector electrode of triode Q2, another road is arrived the base stage of triode Q2 and is connected with the anode of current reference source U5 through resistance R 4, by current reference source U5, form the starting resistor of triode Q2, the current settings end that the voltage of triode Q2 startup output is input to current reference source U5 after the dividing potential drop of resistance R 5 and adjustable resistance R6 regulates output voltage, reaches the object of regulated output voltage; This circuit is by regulating the resistance size of adjustable resistance R6, height that can regulation output voltage.Output voltage is input to the V2 end of the equalizing charger of test through diode D2.Diode D2 has the large current flowing backwards of the equalizing charger when work output of the test of preventing, damaged line.
Driving power is input to the collector electrode of triode Q3, another road is arrived the base stage of triode Q3 and is connected with the anode of current reference source U6 through resistance R 7, by current reference source U6, form the starting resistor of triode Q3, the current settings end that the voltage of triode Q3 startup output is input to current reference source U6 after the dividing potential drop of resistance R 8 and adjustable resistance R9 regulates output voltage, reaches the object of regulated output voltage.This circuit is by regulating the resistance size of adjustable resistance R9, height that can regulation output voltage.Output voltage is input to the B+ end of the equalizing charger of test through diode D3.Diode D3 has the large current flowing backwards of the equalizing charger when work output of the test of preventing, damaged line.
By switch S B1, control the output of V1 voltage; By switch S B2, control the output of V2 voltage.By switch S B3, control the output of B+ voltage.Thereby carry out simulating single battery voltage and can regulate, providing and detect required single battery magnitude of voltage, having improved the accuracy detecting, thereby having guaranteed the qualification rate of product.
Claims (3)
1. the simulation single battery circuit detecting for three string equalizing chargers, it is characterized in that, comprise stabilized voltage power supply U1, stabilized voltage power supply U2, stabilized voltage power supply U3, current reference source U4, current reference source U5, current reference source U6, voltmeter T1, voltmeter T2, voltmeter T3, resistance R 1, resistance R 2, resistance R 4, resistance R 5, resistance R 7, resistance R 8, adjustable resistance R3, adjustable resistance R6, adjustable resistance R9, triode Q1, triode Q2, triode Q3, diode D1, diode D2, diode D3, switch S B1, switch S B2 and switch S B3, driving power is respectively by stabilized voltage power supply U1, one end of stabilized voltage power supply U2 and stabilized voltage power supply U3 and voltmeter T1, one end of voltmeter T2 is connected with one end of voltmeter T3, the collector electrode of driving power and triode Q1, the collector electrode of triode Q2 is connected with the collector electrode of triode Q3,
The collector electrode of described triode Q1 is connected with the base stage of triode Q1 by resistance R 1, the base stage of triode Q1 is connected with the positive pole of current reference source U4, the negative pole of current reference source U4 is connected with one end of adjustable resistance R3 and ground connection, the current settings end of current reference source U4 is connected with one end of resistance R 2 with the other end of adjustable resistance R3, the other end of resistance R 2 is connected with the positive pole of diode D1 with the emitter of triode Q1, the negative pole of diode D1 is connected with V1 voltage output end by switch S B1, the other end of described voltmeter T1 is connected to the circuit between diode D1 and switch S B1,
The collector electrode of described triode Q2 is connected with the base stage of triode Q2 by resistance R 4, the base stage of triode Q2 is connected with the positive pole of current reference source U5, the negative pole of current reference source U5 is connected with one end of adjustable resistance R6 and ground connection, the current settings end of current reference source U5 is connected with one end of resistance R 5 with the other end of adjustable resistance R6, the other end of resistance R 5 is connected with the positive pole of diode D2 with the emitter of triode Q2, the negative pole of diode D2 is connected with V2 voltage output end by switch S B2, the other end of described voltmeter T2 is connected to the circuit between diode D2 and switch S B2,
The collector electrode of described triode Q3 is connected with the base stage of triode Q3 by resistance R 7, the base stage of triode Q3 is connected with the positive pole of current reference source U6, the negative pole of current reference source U6 is connected with one end of adjustable resistance R9 and ground connection, the current settings end of current reference source U6 is connected with one end of resistance R 8 with the other end of adjustable resistance R9, the other end of resistance R 8 is connected with the positive pole of diode D3 with the emitter of triode Q3, the negative pole of diode D3 is connected with B+ voltage output end by switch S B3, the other end of described voltmeter T3 is connected to the circuit between diode D3 and switch S B3.
2. a kind of simulation single battery circuit detecting for three string equalizing chargers according to claim 1, is characterized in that, described voltmeter T1, voltmeter T2 and voltmeter T3 are digital display voltmeters.
3. a kind of simulation single battery circuit detecting for three string equalizing chargers according to claim 1 and 2, is characterized in that, described switch S B1, switch S B2 and switch S B3 are push-button switches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310493599.2A CN103546032A (en) | 2013-10-18 | 2013-10-18 | Single-node battery simulation circuit used for three-string balance charger detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310493599.2A CN103546032A (en) | 2013-10-18 | 2013-10-18 | Single-node battery simulation circuit used for three-string balance charger detection |
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| CN103546032A true CN103546032A (en) | 2014-01-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202231457U (en) * | 2011-09-15 | 2012-05-23 | 北京经纬恒润科技有限公司 | Power battery voltage artificial circuit |
| US20120194090A1 (en) * | 2011-01-28 | 2012-08-02 | Panasonic Corporation | Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same |
| CN203617906U (en) * | 2013-10-18 | 2014-05-28 | 徐州市恒源电器有限公司 | Single-node battery simulation circuit used for three-string balance charger detection |
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2013
- 2013-10-18 CN CN201310493599.2A patent/CN103546032A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120194090A1 (en) * | 2011-01-28 | 2012-08-02 | Panasonic Corporation | Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same |
| CN202231457U (en) * | 2011-09-15 | 2012-05-23 | 北京经纬恒润科技有限公司 | Power battery voltage artificial circuit |
| CN203617906U (en) * | 2013-10-18 | 2014-05-28 | 徐州市恒源电器有限公司 | Single-node battery simulation circuit used for three-string balance charger detection |
Non-Patent Citations (2)
| Title |
|---|
| ZHAOHUAI0651: "电池仿真电路", 《百度文库》 * |
| ZHUOOQUI: "TL431中文资料", 《百度文库》 * |
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Application publication date: 20140129 |