CN104467418A - Precise inverse comprehension power source based on logic protection emitter-coupled type circuit - Google Patents
Precise inverse comprehension power source based on logic protection emitter-coupled type circuit Download PDFInfo
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- CN104467418A CN104467418A CN201410714283.6A CN201410714283A CN104467418A CN 104467418 A CN104467418 A CN 104467418A CN 201410714283 A CN201410714283 A CN 201410714283A CN 104467418 A CN104467418 A CN 104467418A
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Abstract
The invention discloses a precise inverse comprehension power source based on a logic protection emitter-coupled type circuit. The precise inverse comprehension power source is mainly composed of a control circuit, a temperature comprehension circuit, a photoresistor CDS connected with the temperature comprehension circuit and a variable-bias circuit connected between the temperature comprehension circuit and the photoresistor CDS in series. The precise inverse comprehension power source is characterized in that a precise inverse current supply circuit is further arranged between the control circuit and the temperature comprehension circuit, and a logic protection emitter-coupled type amplifying circuit is further connected between the precise inverse current supply circuit and the variable-bias circuit in series. The precise inverse comprehension power source is simple in overall structure and quite convenient to manufacture and use. In addition, the precise inverse comprehension power source can automatically adjust the value of an output current according to the change of the temperature of an external environment, and therefore the stable performance of the precise inverse comprehension power source is guaranteed.
Description
Technical field
The present invention relates to a kind of power supply, specifically refer to the accurate Contrary compensation power supply of a kind of logic-based protection emitter-base bandgap grading manifold type circuit.
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.
Summary of the invention
The object of the invention is to overcome the impact that current bipolar power supply is easily subject to ambient temperature, and then cause the defect of unstable properties, provide a kind of logic-based to protect the accurate Contrary compensation power supply of emitter-base bandgap grading manifold type circuit.
Object of the present invention is achieved through the following technical solutions: a kind of accurate Contrary compensation power supply of logic-based protection emitter-base bandgap grading manifold type circuit; primarily of control circuit; temperature-compensation circuit; the photo resistance 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 photo resistance CDS and form.Meanwhile, between control circuit and temperature-compensation circuit, be also provided with accurate reverse current source circuit, between accurate reverse current source circuit and biased conditioned circuit, be then also serially connected with virtual protection emitter-base bandgap grading manifold type amplifying circuit, described accurate reverse 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 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 forms.
Described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the RC filter circuit between the emitter of triode Q1 and the output of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output 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 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.
Described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q6, triode Q7, power amplifier P3, power amplifier P4, be serially connected in the resistance R15 between the negative input of power amplifier P3 and output, be serially connected in the polar capacitor C7 between the electrode input end of power amplifier P4 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P3 and the collector electrode of triode Q6, be serially connected in the resistance R16 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C6 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C5 that positive pole is connected with the emitter of triode Q6 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q7 and the positive pole of polar capacitor C5, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C8 that voltage stabilizing didoe D2 is connected with the output of power amplifier P3 after resistance R19, P pole is connected with the output of power amplifier P4, the diode D3 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D2 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C8, the voltage stabilizing didoe D4 that N pole is connected with the tie point of resistance R21 with diode D3 forms, the base stage of described triode Q6 is connected with the positive pole of polar capacitor C5, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the negative input of power amplifier P3, the collector electrode of triode Q7 is connected with the negative input of power amplifier P4, and the electrode input end of power amplifier P4 is connected with the output of power amplifier P3, the positive pole of described polar capacitor C5 is connected with the output of LMC6062 type operational amplifier P, and resistance R21 is then connected with biased conditioned circuit with the tie point of resistance R20.
Described biased conditioned circuit is by diode D1, power amplifier P2, the resistance R8 that one end is connected with the P pole of diode D1, 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 D1 again, and the triode Q5 that base stage is connected with the output of power amplifier P2, its collector electrode is connected with the N pole of diode D1 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 photo resistance 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 resistance R21 is then connected with the electrode input end of power amplifier P2 with the tie point of resistance R20.
Described temperature-compensation circuit is by triode Q3, triode Q4, power amplifier P1, be serially connected in the resistance R4 between the collector electrode of triode Q3 and the collector electrode of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output, 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 D1, 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 D1, and one end is connected with the output 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 electrode of triode Q4, and its negative input is connected with the emitter of triode Q3, the collector electrode of described triode Q4 is connected with the collector electrode 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.
Described RC filtered electrical routing resistance R3, and form with the electric capacity C1 that resistance R3 is in parallel, and described electric capacity C2, electric capacity C3 and electric capacity C4 are polar capacitor.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) overall structure of the present invention is simple, and it makes and very easy to use.
(2) the present invention can adjust output current value automatically according to the variations in temperature of external environment condition, thus guarantees its stable performance.
(3) the present invention is by accurate reverse 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 invention.
Fig. 2 is the structural representation of virtual protection emitter-base bandgap grading manifold type amplifying circuit of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1; the present invention is primarily of control circuit; temperature-compensation circuit; the photo resistance CDS be connected with temperature-compensation circuit; be serially connected in the biased conditioned circuit be connected in series between temperature-compensation circuit with photo resistance CDS; be serially connected in the accurate reverse current source circuit between control circuit and temperature-compensation circuit, and the virtual protection emitter-base bandgap grading manifold type amplifying circuit be serially connected between accurate reverse current source circuit and biased conditioned circuit forms.
Wherein, accurate reverse 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 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.
Described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the RC filter circuit between the emitter of triode Q1 and the output of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output 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 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 D1, 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 D1, 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 D1 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 of power amplifier P2, its collector electrode is then connected with the N pole of diode D1 after resistance R10.
One end of described photo resistance 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 photo resistance CDS is serially connected between the emitter of triode Q5 and the electrode input end of power amplifier P2, and the two ends of photo resistance CDS are then the output being used for voltage as output.
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 electrode of triode Q3 and the collector electrode of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output, 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 D1, 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 D1, and one end is connected with the output of power amplifier P1, the resistance R7 that the other end is connected with potentiometer R9 forms.That is, the input of power amplifier P1 is connected with the N pole of diode D1 after potentiometer R9 through resistance R7.
The electrode input end of power amplifier P1 is connected with the collector electrode of triode Q4, and its negative input is also connected with the emitter of triode Q3.And the collector electrode of triode Q4 is also connected with the collector electrode 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 reverse current source circuit can provide operating 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.
The structure of described virtual protection emitter-base bandgap grading manifold type amplifying circuit as shown in Figure 2, namely it is by triode Q6, triode Q7, power amplifier P3, power amplifier P4, be serially connected in the resistance R15 between the negative input of power amplifier P3 and output, be serially connected in the polar capacitor C7 between the electrode input end of power amplifier P4 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P3 and the collector electrode of triode Q6, be serially connected in the resistance R16 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C6 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C5 that positive pole is connected with the emitter of triode Q6 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q7 and the positive pole of polar capacitor C5, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C8 that voltage stabilizing didoe D2 is connected with the output of power amplifier P3 after resistance R19, P pole is connected with the output of power amplifier P4, the diode D3 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D2 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C8, the voltage stabilizing didoe D4 that N pole is connected with the tie point of resistance R21 with diode D3 forms.
Meanwhile, the base stage of described triode Q6 is connected with the positive pole of polar capacitor C5, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the negative input of power amplifier P3; The collector electrode of triode Q7 is connected with the negative input of power amplifier P4, and the electrode input end of power amplifier P4 is connected with the output of power amplifier P3.
During connection, the positive pole of described polar capacitor C5 is connected with the output of LMC6062 type operational amplifier P, and resistance R21 is then connected with the electrode input end of power amplifier P2 with the tie point of resistance R20.
As mentioned above, just the present invention can be realized preferably.
Claims (5)
1. the accurate Contrary compensation power supply of a logic-based protection emitter-base bandgap grading manifold type circuit, primarily of control circuit, temperature-compensation circuit, the photo resistance 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 photo resistance CDS and form, it is characterized in that, between control circuit and temperature-compensation circuit, be also provided with accurate reverse current source circuit, between accurate reverse current source circuit and biased conditioned circuit, be then also serially connected with virtual protection emitter-base bandgap grading manifold type amplifying circuit, described accurate reverse 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 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 forms, described control circuit is then by triode Q1, triode Q2, be serially connected in the resistance R1 between the collector electrode of triode Q1 and the collector electrode of triode Q2, be serially connected in the RC filter circuit between the emitter of triode Q1 and the output of LMC6062 type operational amplifier P, be serially connected in the resistance R2 between the base stage of triode Q1 and the output 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 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, described virtual protection emitter-base bandgap grading manifold type amplifying circuit is primarily of triode Q6, triode Q7, power amplifier P3, power amplifier P4, be serially connected in the resistance R15 between the negative input of power amplifier P3 and output, be serially connected in the polar capacitor C7 between the electrode input end of power amplifier P4 and output, be serially connected in the resistance R14 between the electrode input end of power amplifier P3 and the collector electrode of triode Q6, be serially connected in the resistance R16 between the collector electrode of triode Q6 and the base stage of triode Q7, the electric capacity C6 be in parallel with resistance R16, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C5 that positive pole is connected with the emitter of triode Q6 after resistance R17, be serially connected in the resistance R18 between the base stage of triode Q7 and the positive pole of polar capacitor C5, positive pole is connected with the emitter of triode Q7, negative pole is in turn through electric capacity C8 that voltage stabilizing didoe D2 is connected with the output of power amplifier P3 after resistance R19, P pole is connected with the output of power amplifier P4, the diode D3 that N pole is connected with the tie point of resistance R19 with voltage stabilizing didoe D2 after resistance R20 through resistance R21, and P pole is connected with the negative pole of electric capacity C8, the voltage stabilizing didoe D4 that N pole is connected with the tie point of resistance R21 with diode D3 forms, the base stage of described triode Q6 is connected with the positive pole of polar capacitor C5, and its emitter is connected with the emitter of triode Q7, and its collector electrode is connected with the negative input of power amplifier P3, the collector electrode of triode Q7 is connected with the negative input of power amplifier P4, and the electrode input end of power amplifier P4 is connected with the output of power amplifier P3, the positive pole of described polar capacitor C5 is connected with the output of LMC6062 type operational amplifier P, and resistance R21 is then connected with biased conditioned circuit with the tie point of resistance R20.
2. the accurate Contrary compensation power supply of a kind of logic-based protection emitter-base bandgap grading manifold type circuit according to claim 1, it is characterized in that, described biased conditioned circuit is by diode D1, power amplifier P2, one end is connected with the P pole of diode D1, 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 D1 again, and base stage is connected with the output of power amplifier P2, the triode Q5 that its collector electrode is connected with the N pole of diode D1 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 photo resistance 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 resistance R21 is then connected with the electrode input end of power amplifier P2 with the tie point of resistance R20.
3. the accurate Contrary compensation power supply of a kind of logic-based protection emitter-base bandgap grading manifold type circuit 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 electrode of triode Q3 and the collector electrode of triode Q2, be serially connected in the electric capacity C2 between the electrode input end of power amplifier P1 and output, be serially connected in the electric capacity C3 between the negative input of power amplifier P1 and output, 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 D1, 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 D1, and one end is connected with the output 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 electrode of triode Q4, and its negative input is connected with the emitter of triode Q3, the collector electrode of described triode Q4 is connected with the collector electrode 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. the accurate Contrary compensation power supply of a kind of logic-based protection emitter-base bandgap grading manifold type circuit 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. the accurate Contrary compensation power supply of a kind of logic-based protection emitter-base bandgap grading manifold type circuit 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714283.6A CN104467418A (en) | 2014-11-28 | 2014-11-28 | Precise inverse comprehension power source based on logic protection emitter-coupled type circuit |
| CN201510317217.XA CN104901539A (en) | 2014-11-28 | 2015-06-10 | Coupled precise reverse compensating power supply based on constant current protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410714283.6A CN104467418A (en) | 2014-11-28 | 2014-11-28 | Precise inverse comprehension power source based on logic protection emitter-coupled type circuit |
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| CN104467418A true CN104467418A (en) | 2015-03-25 |
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| CN201410714283.6A Pending CN104467418A (en) | 2014-11-28 | 2014-11-28 | Precise inverse comprehension power source based on logic protection emitter-coupled type circuit |
| CN201510317217.XA Pending CN104901539A (en) | 2014-11-28 | 2015-06-10 | Coupled precise reverse compensating power supply based on constant current protection |
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| CN201510317217.XA Pending CN104901539A (en) | 2014-11-28 | 2015-06-10 | Coupled precise reverse compensating power supply based on constant current protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820106A (en) * | 2015-05-06 | 2015-08-05 | 成都诚邦动力测试仪器有限公司 | Motor speed test system based on reverse current source |
| CN104901539A (en) * | 2014-11-28 | 2015-09-09 | 成都冠深科技有限公司 | Coupled precise reverse compensating power supply based on constant current protection |
| CN104958068A (en) * | 2014-11-28 | 2015-10-07 | 成都雷克尔科技有限公司 | Logic protection emitter coupling type double filtering precise reverse current resource temperature measurement system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101477385B (en) * | 2008-12-10 | 2012-06-27 | 广州南科集成电子有限公司 | Constant-current constant-voltage circuit |
| KR101872318B1 (en) * | 2013-10-30 | 2018-06-28 | 에이치피프린팅코리아 주식회사 | Power supply device and image forming apparatus having the same |
| CN104467418A (en) * | 2014-11-28 | 2015-03-25 | 成都创图科技有限公司 | Precise inverse comprehension power source based on logic protection emitter-coupled type circuit |
-
2014
- 2014-11-28 CN CN201410714283.6A patent/CN104467418A/en active Pending
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2015
- 2015-06-10 CN CN201510317217.XA patent/CN104901539A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901539A (en) * | 2014-11-28 | 2015-09-09 | 成都冠深科技有限公司 | Coupled precise reverse compensating power supply based on constant current protection |
| CN104958068A (en) * | 2014-11-28 | 2015-10-07 | 成都雷克尔科技有限公司 | Logic protection emitter coupling type double filtering precise reverse current resource temperature measurement system |
| CN104820106A (en) * | 2015-05-06 | 2015-08-05 | 成都诚邦动力测试仪器有限公司 | Motor speed test system based on reverse current source |
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| CN104901539A (en) | 2015-09-09 |
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Application publication date: 20150325 |