CN204331525U - A kind of temp. compensation type logic amplifies stabilized voltage supply device - Google Patents
A kind of temp. compensation type logic amplifies stabilized voltage supply device Download PDFInfo
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- CN204331525U CN204331525U CN201420717246.6U CN201420717246U CN204331525U CN 204331525 U CN204331525 U CN 204331525U CN 201420717246 U CN201420717246 U CN 201420717246U CN 204331525 U CN204331525 U CN 204331525U
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Abstract
The utility model discloses a kind of temp. compensation type logic and amplify stabilized voltage supply device, 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 also provided with mu balanced circuit; Meanwhile, between direct supply S and photoresistance CDS, be serially connected with beam excitation formula logic amplifying circuit.The utility model can adjust output current value automatically according to the temperature variation of external environment condition, and larger decay can not be there is in the signal after power amplification circuit amplifies, thus can guarantee that the quality and performance of amplifying signal is more stable, and effectively reduce circuit self and extraneous Radio frequency interference (RFI).
Description
Technical field
The utility model relates to a kind of supply unit, specifically refers to that a kind of temp. compensation type logic amplifies stabilized voltage supply device.
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 bipolar power supply is utilized to realize the quickly calibrated and test of overvoltage to battery protection circuit, under-voltage, overcurrent fast, the power amplification circuit of widespread use simultaneously.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 is not only easily subject to the impact of ambient temperature at present, and carry out after power drive amplification through traditional power amplification circuit, the attenuation amplitude of its amplifying signal is larger, but also outside electromagnetic interference (EMI) can be subject to, and then make amplifying signal performance comparatively unstable, make its power supply performance extremely unstable.Therefore have a strong impact on using and promoting of its profound level, become the difficult problem being badly in need of effectively overcoming and 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 and carry out after power drive amplification through traditional power amplification circuit, the attenuation amplitude of its amplifying signal is larger, but also outside electromagnetic interference (EMI) can be subject to, and then make amplifying signal performance comparatively unstable, make the defect that its power supply performance is extremely unstable, provide a kind of temp. compensation type logic to amplify stabilized voltage supply device.
The purpose of this utility model is achieved through the following technical solutions: a kind of temp. compensation type logic amplifies stabilized voltage supply device, 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 also provided with mu balanced circuit, this mu balanced circuit is by power amplifier P2, the voltage comparator U that one end is connected with temperature-compensation circuit, the other end is connected with the negative input of power amplifier P2, base stage is connected with the output terminal of power amplifier P2, the triode Q5 of emitter ground connection after resistance R8, the resistance R9 that one end is connected with the electrode input end of power amplifier P2, the other end is connected with temperature-compensation circuit, and the resistance R7 between the collector being serially connected in voltage comparator U and triode Q5 forms, meanwhile, between direct supply S and photoresistance CDS, be serially connected with beam excitation formula logic amplifying circuit, described beam excitation formula logic amplifying circuit, 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 C5 of positive pole ground connection after optical diode D1, one end is connected with the positive pole of polar capacitor C5, the resistance R10 of other end ground connection after diode D2, positive pole is connected with the tie point of diode D2 with resistance R10, the polar capacitor C6 of minus earth, one end is connected with the negative input of Sheffer stroke gate IC1, the resistance R11 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 C7 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 the electrode input end of its output terminal Sheffer stroke gate IC2 is connected, the electrode input end of Sheffer stroke gate IC3 is connected with the output terminal of power amplifier P3, and its output terminal is connected with the emitter of triode Q5 after resistance R8, the electrode input end of described power amplifier P3 is connected with the negative pole of direct supply S, one end of described photoresistance CDS is connected with the collector of triode Q5, its other end ground connection.
Further, 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, the electric capacity C4 that negative pole is connected with the emitter of triode Q4, positive pole is connected with the collector of triode Q5, and form with the resistance R6 that electric capacity C4 is in parallel; 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 voltage comparator U is connected with the output terminal of power amplifier P1 with the tie point of resistance R7, and the emitter of triode Q4 is then connected with the electrode input end of power amplifier P2 after resistance R9.
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, and larger decay can not be there is in the signal after power amplification circuit amplifies, thus the quality and performance of amplifying signal can be guaranteed, really make its performance more stable, and effectively reduce circuit self and extraneous Radio frequency interference (RFI).
(3) the utility model is provided with mu balanced circuit, can not only guarantee the stable of output voltage, and its with temperature-compensation circuit with the use of rear, temperature compensation coefficient can be improved significantly, and then guarantee stablizing of duty.
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, temperature compensation stabilized voltage supply described in the utility model 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 photoresistance CDS be connected with temperature-compensation circuit, is arranged on the mu balanced circuit between temperature-compensation circuit and photoresistance CDS and the beam excitation formula logic amplifying circuit be serially connected between direct supply S and photoresistance CDS forms.
Wherein, this mu balanced circuit is by power amplifier P2, and voltage comparator U, resistance R8, triode Q5 and resistance R7 and resistance R9 form.During connection, one end of voltage comparator U is connected with temperature-compensation circuit, and its other end is connected with the negative input of power amplifier P2.The base stage of triode Q5 is connected with the output terminal of power amplifier P2, and its emitter is ground connection after resistance R8; One end of resistance R9 is connected with the electrode input end of power amplifier P2, and its other end is connected with temperature-compensation circuit; Resistance R7 is then serially connected between the collector of voltage comparator U and triode Q5.One end of described photoresistance CDS is connected with the collector of triode Q5, its other end ground connection.
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.
Described beam excitation formula logic amplifying circuit, primarily of power amplifier P3, Sheffer stroke gate IC5, Sheffer stroke gate IC1 Sheffer stroke gate IC2 polar capacitor C5, polar capacitor C6, optical diode D1, diode D2, resistance R10 resistance R11, resistance R12, resistance R13, and resistance R14 forms.
During connection, the electrode input end of described power amplifier P3 is connected with the negative pole of direct supply S; The positive pole of polar capacitor C5 is connected with the N pole of optical diode D1 simultaneously, the P3 pole then ground connection of optical diode D1; Resistance R10 one end is connected with the positive pole of polar capacitor C5, and its other end is ground connection after diode D2.
The positive pole of described polar capacitor C6 is connected with the tie point of diode D2 with resistance R1, its minus earth; One end of resistance R11 is connected with Sheffer stroke gate IC1 negative input, and its other end is connected with the electrode input end of power amplifier P3; Between the negative input that resistance R12 is then serially connected in power amplifier P3 and output terminal.
One end of resistance R13 is connected with Sheffer stroke gate IC1 output terminal, and its other end is connected with Sheffer stroke gate IC3 negative input; Meanwhile, the positive pole of electric capacity C7 is connected with Sheffer stroke gate IC2 output terminal, and its negative pole is also connected with Sheffer stroke gate IC3 negative input.One end of described resistance R14 is connected with the positive pole of polar capacitor C6, and its other end is connected with Sheffer stroke gate IC2 negative input.
Described Sheffer stroke gate IC1 electrode input end is connected with the negative input of power amplifier P3, its output terminal is connected with Sheffer stroke gate IC2 electrode input end, Sheffer stroke gate IC3 electrode input end is connected with the output terminal of power amplifier P3, and output terminal and the resistance R8 in mu balanced circuit of IC3 connect and be connected with the emitter of triode Q5 afterwards.
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, the electric capacity C4 that negative pole is connected with the emitter of triode Q4, positive pole is connected with the collector of triode Q5, and form with the resistance R6 that electric capacity C4 is in parallel.
The electrode input end of power amplifier P1 is connected with the collector of triode Q4, and its negative input is connected with the emitter of triode Q3.Meanwhile, the collector of triode Q4 is also connected with the collector of triode Q2, and its base earth.The output terminal of power amplifier P1 is connected with the tie point of resistance R7 with voltage comparator U, the other end of resistance R9 is then connected with the emitter of triode Q4, namely the emitter of triode Q4 is connected with the electrode input end of power amplifier P2 after resistance R9, and the output terminal of power amplifier P1 is then connected with the negative input of power amplifier P2 after voltage comparator U.
As mentioned above, just the utility model can be realized preferably.
Claims (4)
1. a temp. compensation type logic amplifies stabilized voltage supply device, 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 also provided with mu balanced circuit, this mu balanced circuit is by power amplifier P2, the voltage comparator U that one end is connected with temperature-compensation circuit, the other end is connected with the negative input of power amplifier P2, base stage is connected with the output terminal of power amplifier P2, the triode Q5 of emitter ground connection after resistance R8, the resistance R9 that one end is connected with the electrode input end of power amplifier P2, the other end is connected with temperature-compensation circuit, and the resistance R7 between the collector being serially connected in voltage comparator U and triode Q5 forms, meanwhile, between direct supply S and photoresistance CDS, be serially connected with beam excitation formula logic amplifying circuit, described beam excitation formula logic amplifying circuit, 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 C5 of positive pole ground connection after optical diode D1, one end is connected with the positive pole of polar capacitor C5, the resistance R10 of other end ground connection after diode D2, positive pole is connected with the tie point of diode D2 with resistance R10, the polar capacitor C6 of minus earth, one end is connected with the negative input of Sheffer stroke gate IC1, the resistance R11 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 C7 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 the electrode input end of its output terminal Sheffer stroke gate IC2 is connected, the electrode input end of Sheffer stroke gate IC3 is connected with the output terminal of power amplifier P3, and its output terminal is connected with the emitter of triode Q5 after resistance R8, the electrode input end of described power amplifier P3 is connected with the negative pole of direct supply S, one end of described photoresistance CDS is connected with the collector of triode Q5, its other end ground connection.
2. a kind of temp. compensation type logic according to claim 1 amplifies stabilized voltage supply device, 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. a kind of temp. compensation type logic according to claim 2 amplifies stabilized voltage supply device, 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 collector of triode Q5, and form with the resistance R6 that electric capacity C4 is in parallel, 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 voltage comparator U is connected with the output terminal of power amplifier P1 with the tie point of resistance R7, and the emitter of triode Q4 is then connected with the electrode input end of power amplifier P2 after resistance R9.
4. a kind of temp. compensation type logic according to claim 3 amplifies stabilized voltage supply device, it is characterized in that, described RC filtered electrical routing resistance R3, and forms with the electric capacity C1 that resistance R3 is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717246.6U CN204331525U (en) | 2014-11-25 | 2014-11-25 | A kind of temp. compensation type logic amplifies stabilized voltage supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420717246.6U CN204331525U (en) | 2014-11-25 | 2014-11-25 | A kind of temp. compensation type logic amplifies stabilized voltage supply device |
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| Publication Number | Publication Date |
|---|---|
| CN204331525U true CN204331525U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420717246.6U Expired - Fee Related CN204331525U (en) | 2014-11-25 | 2014-11-25 | A kind of temp. compensation type logic amplifies stabilized voltage supply device |
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| CN (1) | CN204331525U (en) |
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- 2014-11-25 CN CN201420717246.6U patent/CN204331525U/en not_active Expired - Fee Related
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| 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: 20150513 Termination date: 20151125 |