CN104459234A - Novel bias-adjustable temperature compensation power source - Google Patents
Novel bias-adjustable temperature compensation power source Download PDFInfo
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- CN104459234A CN104459234A CN201410687673.9A CN201410687673A CN104459234A CN 104459234 A CN104459234 A CN 104459234A CN 201410687673 A CN201410687673 A CN 201410687673A CN 104459234 A CN104459234 A CN 104459234A
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Abstract
The invention discloses a novel bias-adjustable temperature compensation power source which is mainly composed of a DC power supply S, a control circuit connected with the DC power supply S, a temperature compensation circuit connected with the control circuit and a photoresistor CDS connected with the temperature compensation circuit. The novel bias-adjustable temperature compensation power source is characterized in that a bias-adjustable circuit is connected between the temperature compensation circuit and the photoresistor CDS in series, and a beam excitation type logical amplification circuit is connected between the DC power supply S and the bias-adjustable circuit in series. The novel bias-adjustable temperature compensation power source is simple in overall structure, quite convenient to manufacture and use and capable of automatically adjusting the output current value according to the temperature change of an external environment, so that the stable performance of the novel bias-adjustable temperature compensation power source is guaranteed.
Description
Technical field
The present invention relates to a kind of power supply, specifically refer to a kind of novel biased adjustable temperature offset supply.
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, a kind of novel biased adjustable temperature offset supply is provided.
Object of the present invention is achieved through the following technical solutions: a kind of novel biased adjustable temperature offset supply, primarily of direct supply S, the control circuit be connected with direct supply S-phase, the temperature-compensation circuit be connected with control circuit, and the photoresistance CDS be connected with temperature-compensation circuit forms.Meanwhile, between temperature-compensation circuit and photoresistance CDS, be serially connected with biased conditioned circuit, between direct supply S and biased conditioned circuit, be serially connected with beam excitation formula logic amplifying circuit.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 terminal of power amplifier P2, its collector 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 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 beam excitation formula logic amplifying circuit is primarily of power amplifier P3, Sheffer stroke gate IC1, Sheffer stroke gate IC2, Sheffer stroke gate IC3, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C4 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C4, the resistance R11 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R11, the polar capacitor C6 of minus earth, one end is connected with the negative input of Sheffer stroke gate IC1, the resistance R7 that the other end is connected with the electrode input end of power amplifier P3, be serially connected in the resistance R12 between the negative input of power amplifier P3 and output terminal, one end is connected with the output terminal of Sheffer stroke gate IC1, the resistance R13 that the other end is connected with the negative input of Sheffer stroke gate IC3, positive pole is connected with the output terminal of Sheffer stroke gate IC2, the electric capacity C5 that negative pole is connected with the negative input of Sheffer stroke gate IC3, and one end is connected with the positive pole of polar capacitor C6, the resistance R14 that the other end is connected with the negative input of Sheffer stroke gate IC2 forms, the electrode input end of described Sheffer stroke gate IC1 is connected with the negative input of power amplifier P3, and its output terminal is connected with the electrode input end of Sheffer stroke gate IC2, the electrode input end of Sheffer stroke gate IC3 is connected with the output terminal of power amplifier P3, and the electrode input end of its output terminal power amplifier P2 is connected, the positive pole of polar capacitor C4 is connected with the negative pole of direct supply S.
Described control circuit is 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 negative pole of direct supply S, be serially connected in the resistance R2 between the base stage of triode Q1 and the negative pole of direct supply S, and the resistance R5 in parallel with direct supply S-phase forms; The emitter of described triode Q2 is connected with the positive pole of direct supply S, and the base stage of triode Q2 is also connected with the collector of triode Q1.
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 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 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 positive pole of direct supply S.
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 present invention compared with prior art, has the following advantages and beneficial effect:
(1) one-piece construction 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 temperature variation of external environment condition, thus guarantees its stable performance.
(3) the present invention by direct supply and biased conditioned circuit used in combination after, as a new current source, effectively can not only improve the output accuracy of power supply, and its stable performance can also be guaranteed.
Accompanying drawing explanation
Fig. 1 is structural representation 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, temp. compensation type power supply of the present invention is primarily of direct supply S, the control circuit be connected with direct supply S-phase, the temperature-compensation circuit be connected with control circuit, the biased conditioned circuit be connected with temperature-compensation circuit, the photoresistance CDS be connected with biased conditioned circuit, and the beam excitation formula logic amplifying circuit be serially connected between the negative pole of direct supply S and biased conditioned circuit forms.
Wherein, 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 terminal of power amplifier P2, its collector is then connected with the N pole of diode D1 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.
Described control circuit is by triode Q1, and triode Q2, resistance R1, resistance R2, resistance R5 and RC filtering circuit form.During connection, resistance R1 is serially connected between the collector of triode Q1 and the collector of triode Q2, and RC filtering circuit is then serially connected between the emitter of triode Q1 and the negative pole of direct supply S.Resistance R2 is serially connected between the base stage of triode Q1 and the negative pole of direct supply S, and resistance R5 is then in parallel with direct supply S-phase.
Meanwhile, the emitter of triode Q2 is connected with the positive pole of direct supply S, and its base stage is also connected with the collector of triode Q1.For guaranteeing operational effect, the resistance of resistance R1, resistance R2, resistance R3 and resistance R5 is 10K Ω.RC filtered electrical routing resistance R3 in the application, and form with the electric capacity C1 that resistance R3 is in parallel.
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 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 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 D1 after potentiometer R9 through resistance R7.The electrode input end of described 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.
Described beam excitation formula logic amplifying circuit is then primarily of power amplifier P3, Sheffer stroke gate IC1, Sheffer stroke gate IC2, Sheffer stroke gate IC3, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C4 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C4, the resistance R11 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R11, the polar capacitor C6 of minus earth, one end is connected with the negative input of Sheffer stroke gate IC1, the resistance R7 that the other end is connected with the electrode input end of power amplifier P3, be serially connected in the resistance R12 between the negative input of power amplifier P3 and output terminal, one end is connected with the output terminal of Sheffer stroke gate IC1, the resistance R13 that the other end is connected with the negative input of Sheffer stroke gate IC3, positive pole is connected with the output terminal of Sheffer stroke gate IC2, the electric capacity C5 that negative pole is connected with the negative input of Sheffer stroke gate IC3, and one end is connected with the positive pole of polar capacitor C6, the resistance R14 that the other end is connected with the negative input of Sheffer stroke gate IC2 forms.
Meanwhile, the electrode input end of described Sheffer stroke gate IC1 is connected with the negative input of power amplifier P3, and its output terminal is connected with the electrode input end of Sheffer stroke gate IC2; The electrode input end of Sheffer stroke gate IC3 is connected with the output terminal of power amplifier P3, and the electrode input end of its output terminal power amplifier P2 is connected; The positive pole of polar capacitor C4 is then connected with the negative pole of direct supply S.
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 present invention can be realized preferably.
Claims (5)
1. a novel biased adjustable temperature offset supply, primarily of direct supply S, the control circuit be connected with direct supply S-phase, the temperature-compensation circuit be connected with control circuit, and the photoresistance CDS to be connected with temperature-compensation circuit forms, it is characterized in that, between temperature-compensation circuit and photoresistance CDS, be serially connected with biased conditioned circuit, between direct supply S and biased conditioned circuit, be serially connected with beam excitation formula logic amplifying circuit, 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 terminal of power amplifier P2, its collector 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 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 beam excitation formula logic amplifying circuit is primarily of power amplifier P3, Sheffer stroke gate IC1, Sheffer stroke gate IC2, Sheffer stroke gate IC3, negative pole is connected with the electrode input end of power amplifier P3, the polar capacitor C4 of positive pole ground connection after optical diode D2, one end is connected with the positive pole of polar capacitor C4, the resistance R11 of other end ground connection after diode D3, positive pole is connected with the tie point of diode D3 with resistance R11, the polar capacitor C6 of minus earth, one end is connected with the negative input of Sheffer stroke gate IC1, the resistance R7 that the other end is connected with the electrode input end of power amplifier P3, be serially connected in the resistance R12 between the negative input of power amplifier P3 and output terminal, one end is connected with the output terminal of Sheffer stroke gate IC1, the resistance R13 that the other end is connected with the negative input of Sheffer stroke gate IC3, positive pole is connected with the output terminal of Sheffer stroke gate IC2, the electric capacity C5 that negative pole is connected with the negative input of Sheffer stroke gate IC3, and one end is connected with the positive pole of polar capacitor C6, the resistance R14 that the other end is connected with the negative input of Sheffer stroke gate IC2 forms, the electrode input end of described Sheffer stroke gate IC1 is connected with the negative input of power amplifier P3, and its output terminal is connected with the electrode input end of Sheffer stroke gate IC2, the electrode input end of Sheffer stroke gate IC3 is connected with the output terminal of power amplifier P3, and the electrode input end of its output terminal power amplifier P2 is connected, the positive pole of polar capacitor C4 is connected with the negative pole of direct supply S.
2. the novel biased adjustable temperature offset supply of one according to claim 1, it is characterized in that, described control circuit is 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 negative pole of direct supply S, be serially connected in the resistance R2 between the base stage of triode Q1 and the negative pole of direct supply S, and the resistance R5 in parallel with direct supply S-phase forms; The emitter of described triode Q2 is connected with the positive pole of direct supply S, and the base stage of triode Q2 is also connected with the collector of triode Q1.
3. the novel biased adjustable temperature offset supply of one 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 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 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 positive pole of direct supply S.
4. the novel biased adjustable temperature offset supply of one 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 novel biased adjustable temperature offset supply of one according to claim 4, it is characterized in that, described electric capacity C2, electric capacity C3 and electric capacity C4 are polar capacitor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687673.9A CN104459234A (en) | 2014-11-25 | 2014-11-25 | Novel bias-adjustable temperature compensation power source |
| CN201510317383.XA CN104953831A (en) | 2014-11-25 | 2015-06-11 | Novel trilinear buffered-driving bias-adjustable temperature compensation power source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410687673.9A CN104459234A (en) | 2014-11-25 | 2014-11-25 | Novel bias-adjustable temperature compensation power source |
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| CN104459234A true CN104459234A (en) | 2015-03-25 |
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| CN201510317383.XA Pending CN104953831A (en) | 2014-11-25 | 2015-06-11 | Novel trilinear buffered-driving bias-adjustable temperature compensation power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104953831A (en) * | 2014-11-25 | 2015-09-30 | 成都颉盛科技有限公司 | Novel trilinear buffered-driving bias-adjustable temperature compensation power source |
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| CN103124452A (en) * | 2011-11-18 | 2013-05-29 | 海洋王（东莞）照明科技有限公司 | LED driving circuit and LED lamp |
| CN104459234A (en) * | 2014-11-25 | 2015-03-25 | 成都思茂科技有限公司 | Novel bias-adjustable temperature compensation power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104953831A (en) * | 2014-11-25 | 2015-09-30 | 成都颉盛科技有限公司 | Novel trilinear buffered-driving bias-adjustable temperature compensation power source |
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Application publication date: 20150325 |