CN204189060U - A kind of novel compensation power supply of being powered by accurate inverse current source - Google Patents
A kind of novel compensation power supply of being powered by accurate inverse current source Download PDFInfo
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- CN204189060U CN204189060U CN201420607992.XU CN201420607992U CN204189060U CN 204189060 U CN204189060 U CN 204189060U CN 201420607992 U CN201420607992 U CN 201420607992U CN 204189060 U CN204189060 U CN 204189060U
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Abstract
The utility model discloses a kind of novel compensation power supply of being powered by accurate inverse current source, primarily of control circuit, temperature-compensation circuit, the photoresistance CDS be connected with temperature-compensation circuit, and be serially connected in the biased conditioned circuit be connected in series between temperature-compensation circuit with photoresistance CDS and form, it is characterized in that, between control circuit and temperature-compensation circuit, be also provided with accurate inverse current source circuit; Described accurate inverse current source circuit is made up of LMC6062 type operational amplifier P etc.The utility model one-piece construction is simple, and it makes and very easy to use.Meanwhile, the utility model can adjust output current value automatically according to the temperature variation of external environment condition, thus guarantees its stable performance.
Description
Technical field
The utility model relates to a kind of power supply, specifically refers to a kind of novel compensation power supply of being powered by accurate inverse current source.
Background technology
At present; whether battery manufacturer generally all needs the various functions detecting this battery protection circuit with bipolar power supply up to standard after having made battery protection circuit, namely utilizes bipolar power supply to realize the quickly calibrated and test of overvoltage to battery protection circuit, under-voltage, overcurrent fast.When so-called bipolar power supply refers to this corona discharge, the electric current of its power source internal flows to positive pole from negative pole, and be flow to negative pole (when the electric current of traditional its inside of common power all can only flow to positive pole from negative pole, and can not flow to negative pole from positive pole) from positive pole to the electric current of its power source internal during this power source charges.But bipolar power supply sold on the market at present is easily subject to the impact of ambient temperature, its power supply performance can be made unstable.How effectively overcoming the negative effect that ambient temperature is brought, is the difficult problem that people are badly in need of solving.
Utility model content
The purpose of this utility model is to overcome the impact that current bipolar power supply is easily subject to ambient temperature, and then causes the defect of unstable properties, provides a kind of novel compensation power supply of being powered by accurate inverse current source.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel compensation power supply of being powered by accurate inverse current source, primarily of control circuit, temperature-compensation circuit, the photoresistance CDS be connected with temperature-compensation circuit, and be serially connected in the biased conditioned circuit be connected in series between temperature-compensation circuit with photoresistance CDS and form, and between control circuit and temperature-compensation circuit, be also provided with accurate inverse current source circuit, described accurate inverse current source circuit is by LMC6062 type operational amplifier P, one end is connected with the negative input of LMC6062 type operational amplifier P, the resistance R12 that the other end is connected with the electrode input end of LMC6062 type operational amplifier P after current source S, one end is connected with the negative input of LMC6062 type operational amplifier P, the resistance R11 that the other end is connected with the output terminal of LMC6062 type operational amplifier P after LM4431 reference circuits, and the resistance R13 be serially connected between the electrode input end of LMC6062 type operational amplifier P and output terminal forms, described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector of triode Q1 and the collector of triode Q2, be serially connected in the RC filtering circuit between the emitter of triode Q1 and the output terminal of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output terminal of LMC6062 type operational amplifier P, and the resistance R5 that one end is connected with the emitter of triode Q2, the other end is connected with the output terminal of LMC6062 type operational amplifier P forms, the emitter of described triode Q2 is also connected with the tie point of LM4431 reference circuits with resistance R11.
Further, described biased conditioned circuit is by diode D, power amplifier P2, the resistance R8 that one end is connected with the P pole of diode D, the other end is connected with the electrode input end of power amplifier P2, the potentiometer R9 that one end is connected with temperature-compensation circuit, the other end is connected with the negative input of power amplifier P2 after being connected with the N pole of diode D again, and the triode Q5 that base stage is connected with the output terminal of power amplifier P2, its collector is connected with the N pole of diode D after resistance R10 forms; The electrode input end of described power amplifier P2 is also connected with the control end of potentiometer R9, and one end of photoresistance CDS is then connected with the emitter of triode Q5, its other end ground connection, the electrode input end also ground connection of described power amplifier P2.
Described temperature-compensation circuit is by triode Q3, triode Q4, power amplifier P1, be serially connected in the resistance R4 between the collector of triode Q3 and the collector of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output terminal, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output terminal, negative pole is connected with the emitter of triode Q4, the electric capacity C4 that positive pole is connected with the N pole of diode D, one end is connected with the negative pole of electric capacity C4, the resistance R6 that the other end is connected with the P pole of diode D, and one end is connected with the output terminal of power amplifier P1, the resistance R7 that the other end is connected with potentiometer R9 forms, the electrode input end of described power amplifier P1 is connected with the collector of triode Q4, and its negative input is connected with the emitter of triode Q3, the collector of described triode Q4 is connected with the collector of triode Q2, its base earth, the base stage of triode Q3 is connected with the tie point of LM4431 reference circuits with resistance R11.
For guaranteeing result of use, described RC filtered electrical routing resistance R3, and form with the electric capacity C1 that resistance R3 is in parallel, described electric capacity C2, electric capacity C3 and electric capacity C4 are polar capacitor.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model one-piece construction is simple, and it makes and very easy to use.
(2) the utility model can adjust output current value automatically according to the temperature variation of external environment condition, thus guarantees its stable performance.
(3) the utility model is by accurate inverse current source for other circuit provide electric energy, effectively can not only improve the output accuracy of power supply, and can also guarantee its stable performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figure 1, temp. compensation type power supply described in the utility model is primarily of control circuit, temperature-compensation circuit, the photoresistance CDS be connected with temperature-compensation circuit, be serially connected in the biased conditioned circuit be connected in series between temperature-compensation circuit with photoresistance CDS, and be serially connected in the accurate inverse current source circuit composition between control circuit and temperature-compensation circuit.
Wherein, accurate inverse current source circuit is used for providing working power for control circuit and temperature-compensation circuit, and it is by LMC6062 type operational amplifier P, current source S, resistance R11, resistance R12, resistance R13 and LM4431 reference circuits composition.During connection, one end of resistance R12 is connected with the negative input of LMC6062 type operational amplifier P, and its other end is connected with the electrode input end of LMC6062 type operational amplifier P after current source S; One end of resistance R11 is connected with the negative input of LMC6062 type operational amplifier P, and its other end is connected with the output terminal of LMC6062 type operational amplifier P after LM4431 reference circuits; Between the electrode input end that resistance R13 is then serially connected in LMC6062 type operational amplifier P and output terminal.
Described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector of triode Q1 and the collector of triode Q2, be serially connected in the RC filtering circuit between the emitter of triode Q1 and the output terminal of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output terminal of LMC6062 type operational amplifier P, and the resistance R5 that one end is connected with the emitter of triode Q2, the other end is connected with the output terminal of LMC6062 type operational amplifier P forms.Meanwhile, the emitter of this triode Q2 is also connected with the tie point of LM4431 reference circuits with resistance R11.
Biased conditioned circuit is by diode D, and power amplifier P2, resistance R8, potentiometer R9, resistance R10 and triode Q5 form.During connection, one end of resistance R8 is connected with the P pole of diode D, its other end is connected with the electrode input end of power amplifier P2; Potentiometer R9 is used for the input voltage value of regulating power amplifier P2, its one end is connected with temperature-compensation circuit, its other end is connected with the negative input of power amplifier P2 after being then connected with the N pole of diode D again, and its control end is then connected with the electrode input end of power amplifier P2; The base stage of triode Q5 is connected with the output terminal of power amplifier P2, its collector is then connected with the N pole of diode D after resistance R10.
One end of described photoresistance CDS is connected with the emitter of triode Q5, its other end ground connection, and the electrode input end of power amplifier P2 also ground connection.That is, this photoresistance CDS is serially connected between the emitter of triode Q5 and the electrode input end of power amplifier P2, and the two ends of photoresistance CDS are then the output being used for voltage as output terminal.
Temperature-compensation circuit is used for power back-off during ambient temperature change, it is by triode Q3, triode Q4, power amplifier P1, be serially connected in the resistance R4 between the collector of triode Q3 and the collector of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output terminal, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output terminal, negative pole is connected with the emitter of triode Q4, the electric capacity C4 that positive pole is connected with the N pole of diode D, one end is connected with the negative pole of electric capacity C4, the resistance R6 that the other end is then connected with the P pole of diode D, and one end is connected with the output terminal of power amplifier P1, the resistance R7 that the other end is connected with potentiometer R9 forms.That is, the input end of power amplifier P1 is connected with the N pole of diode D after potentiometer R9 through resistance R7.
The electrode input end of power amplifier P1 is connected with the collector of triode Q4, and its negative input is also connected with the emitter of triode Q3.And the collector of triode Q4 is also connected with the collector of triode Q2, and its base earth.
Meanwhile, the base stage of triode Q3 is also connected with the tie point of LM4431 reference circuits with resistance R11, to guarantee that this accurate inverse current source circuit can provide working current for it.For guaranteeing result of use, described electric capacity C2, electric capacity C3 and electric capacity C4 all preferentially adopt polar capacitor to realize.
As mentioned above, just the utility model can be realized preferably.
Claims (5)
1. a novel compensation power supply of being powered by accurate inverse current source, primarily of control circuit, temperature-compensation circuit, the photoresistance CDS be connected with temperature-compensation circuit, and be serially connected in the biased conditioned circuit be connected in series between temperature-compensation circuit with photoresistance CDS and form, it is characterized in that, between control circuit and temperature-compensation circuit, be also provided with accurate inverse current source circuit, described accurate inverse current source circuit is by LMC6062 type operational amplifier P, one end is connected with the negative input of LMC6062 type operational amplifier P, the resistance R12 that the other end is connected with the electrode input end of LMC6062 type operational amplifier P after current source S, one end is connected with the negative input of LMC6062 type operational amplifier P, the resistance R11 that the other end is connected with the output terminal of LMC6062 type operational amplifier P after LM4431 reference circuits, and the resistance R13 be serially connected between the electrode input end of LMC6062 type operational amplifier P and output terminal forms, described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector of triode Q1 and the collector of triode Q2, be serially connected in the RC filtering circuit between the emitter of triode Q1 and the output terminal of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output terminal of LMC6062 type operational amplifier P, and the resistance R5 that one end is connected with the emitter of triode Q2, the other end is connected with the output terminal of LMC6062 type operational amplifier P forms, the emitter of described triode Q2 is also connected with the tie point of LM4431 reference circuits with resistance R11.
2. a kind of novel compensation power supply of being powered by accurate inverse current source according to claim 1, it is characterized in that, described biased conditioned circuit is by diode D, power amplifier P2, one end is connected with the P pole of diode D, the resistance R8 that the other end is connected with the electrode input end of power amplifier P2, one end is connected with temperature-compensation circuit, the potentiometer R9 that the other end is connected with the negative input of power amplifier P2 after being connected with the N pole of diode D again, and base stage is connected with the output terminal of power amplifier P2, the triode Q5 that its collector is connected with the N pole of diode D after resistance R10 forms, the electrode input end of described power amplifier P2 is also connected with the control end of potentiometer R9, and one end of photoresistance CDS is then connected with the emitter of triode Q5, its other end ground connection, the electrode input end also ground connection of described power amplifier P2.
3. a kind of novel compensation power supply of being powered by accurate inverse current source according to claim 2, it is characterized in that, described temperature-compensation circuit is by triode Q3, triode Q4, power amplifier P1, be serially connected in the resistance R4 between the collector of triode Q3 and the collector of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output terminal, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output terminal, negative pole is connected with the emitter of triode Q4, the electric capacity C4 that positive pole is connected with the N pole of diode D, one end is connected with the negative pole of electric capacity C4, the resistance R6 that the other end is connected with the P pole of diode D, and one end is connected with the output terminal of power amplifier P1, the resistance R7 that the other end is connected with potentiometer R9 forms, the electrode input end of described power amplifier P1 is connected with the collector of triode Q4, and its negative input is connected with the emitter of triode Q3, the collector of described triode Q4 is connected with the collector of triode Q2, its base earth, the base stage of triode Q3 is connected with the tie point of LM4431 reference circuits with resistance R11.
4. a kind of novel compensation power supply of being powered by accurate inverse current source according to claim 3, is characterized in that, described RC filtered electrical routing resistance R3, and forms with the electric capacity C1 that resistance R3 is in parallel.
5. a kind of novel compensation power supply of being powered by accurate inverse current source according to claim 4, it is characterized in that, described electric capacity C2, electric capacity C3 and electric capacity C4 are polar capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607992.XU CN204189060U (en) | 2014-10-18 | 2014-10-18 | A kind of novel compensation power supply of being powered by accurate inverse current source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607992.XU CN204189060U (en) | 2014-10-18 | 2014-10-18 | A kind of novel compensation power supply of being powered by accurate inverse current source |
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| Publication Number | Publication Date |
|---|---|
| CN204189060U true CN204189060U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420607992.XU Expired - Fee Related CN204189060U (en) | 2014-10-18 | 2014-10-18 | A kind of novel compensation power supply of being powered by accurate inverse current source |
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| CN (1) | CN204189060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646652A (en) * | 2016-12-26 | 2017-05-10 | 浙江科聪智能科技有限公司 | Sensor, intelligent equipment, robot, and industrial robot |
-
2014
- 2014-10-18 CN CN201420607992.XU patent/CN204189060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646652A (en) * | 2016-12-26 | 2017-05-10 | 浙江科聪智能科技有限公司 | Sensor, intelligent equipment, robot, and industrial robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151018 |
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| EXPY | Termination of patent right or utility model |