CN205540373U - Supplementary steady voltage control circuit of intelligence - Google Patents
Supplementary steady voltage control circuit of intelligence Download PDFInfo
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- CN205540373U CN205540373U CN201620111475.2U CN201620111475U CN205540373U CN 205540373 U CN205540373 U CN 205540373U CN 201620111475 U CN201620111475 U CN 201620111475U CN 205540373 U CN205540373 U CN 205540373U
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- triode
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Abstract
The utility model discloses a supplementary steady voltage control circuit of intelligence, including resistance R1, electric capacity C1, triode T1, diode D1, potentiometre RP1 and triode T2, triode T1 collecting electrode connect respectively VCC1, resistance R4, triode T2 collecting electrode and electric capacity C1, the electric capacity C1 other end is the connecting resistance R4 other end and diode D4 negative pole respectively, triode T2 base is connecting resistance R1 and triode T3 collecting electrode respectively, and connecting resistance R3 and diode D2 negative pole are distinguished to the resistance R1 other end, the resistance R3 other end VCC2 that connects, and triode T1 projecting pole, resistance R2, potentiometre RP1 one end and output vo are connected respectively to diode D2 negative pole. The utility model discloses supplementary steady voltage control circuit of intelligence adopts D2, R3 to constitute supplementary constant voltage power supply, is responsible for providing stable voltage to R1, can show the stability that improves the power.
Description
Technical field
This utility model relates to a kind of control circuit, specifically a kind of intelligence auxiliary controlling circuit of voltage regulation.
Background technology
Owing to when the amplification of amplifying circuit is the highest, the degree of stability of power supply is the highest.The amplification of general single-valve amplification circuit is limited, the method increasing amplifying circuit progression can be used to improve amplification, so can also be greatly improved the degree of stability of power supply.After but increasing the progression of amplifying circuit, circuit is more prone to self-oscillation, needs when Design enlargement circuit to take means to avoid circuit to produce self-excitation.
Fig. 2 is existing a kind of series negative feedback mu balanced circuit, the collector circuit R10 of its amplifier tube VT3 is directly connected on rectified filtered voltage V, owing to this voltage is not stable voltage, when it changes, its variable quantity can be added to adjust the base stage of pipe VT2, and then affects output voltage stabilization degree.
Utility model content
The purpose of this utility model is to provide a kind of intelligence auxiliary controlling circuit of voltage regulation, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of intelligence auxiliary controlling circuit of voltage regulation，Including resistance R1、Electric capacity C1、Audion T1、Diode D1、Potentiometer RP1 and audion T2，Described audion T1 colelctor electrode connects power supply VCC1 respectively、Resistance R4、Audion T2 colelctor electrode and electric capacity C1，The electric capacity C1 other end connects the resistance R4 other end and diode D4 negative pole respectively，Described audion T2 base stage connects resistance R1 and audion T3 colelctor electrode respectively，The resistance R1 other end connects resistance R3 and diode D2 negative pole respectively，The resistance R3 other end connects power supply VCC2，Diode D2 negative pole connecting triode T1 emitter stage respectively、Resistance R2、Potentiometer RP1 one end and output end vo，Audion T1 base stage connecting triode T2 emitter stage，The resistance R2 other end connects diode D1 negative pole and audion T3 emitter stage respectively，Audion T3 base stage connects diode D3 negative pole and potentiometer RP1 slide plate respectively，The potentiometer RP1 other end connects diode D3 positive pole respectively、Diode D1 positive pole and diode D4 positive pole ground connection.
As this utility model further scheme: described power supply VCC2 is galvanic current source.
Compared with prior art, the beneficial effects of the utility model are: this utility model intelligence auxiliary controlling circuit of voltage regulation uses D2, R3 composition auxiliary regulated power supply, is responsible for providing stable voltage to R1, can significantly improve the degree of stability of power supply.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of intelligence auxiliary controlling circuit of voltage regulation；
Fig. 2 is the circuit diagram of prior art.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of intelligence auxiliary controlling circuit of voltage regulation，Including resistance R1、Electric capacity C1、Audion T1、Diode D1、Potentiometer RP1 and audion T2，Described audion T1 colelctor electrode connects power supply VCC1 respectively、Resistance R4、Audion T2 colelctor electrode and electric capacity C1，The electric capacity C1 other end connects the resistance R4 other end and diode D4 negative pole respectively，Described audion T2 base stage connects resistance R1 and audion T3 colelctor electrode respectively，The resistance R1 other end connects resistance R3 and diode D2 negative pole respectively，The resistance R3 other end connects power supply VCC2，Diode D2 negative pole connecting triode T1 emitter stage respectively、Resistance R2、Potentiometer RP1 one end and output end vo，Audion T1 base stage connecting triode T2 emitter stage，The resistance R2 other end connects diode D1 negative pole and audion T3 emitter stage respectively，Audion T3 base stage connects diode D3 negative pole and potentiometer RP1 slide plate respectively，The potentiometer RP1 other end connects diode D3 positive pole respectively、Diode D1 positive pole and diode D4 positive pole ground connection；Described power supply VCC2 is galvanic current source.
Operation principle of the present utility model is: Fig. 2 is existing a kind of series negative feedback mu balanced circuit, the collector circuit R10 of its amplifier tube VT3 is directly connected on rectified filtered voltage V, owing to this voltage is not stable voltage, when it changes, its variable quantity can be added to adjust the base stage of pipe VT2, and then affects output voltage stabilization degree；Fig. 1 is circuit diagram of the present utility model, D2, R3 composition auxiliary regulated power supply, is responsible for providing stable voltage to R1, the degree of stability of power supply can be significantly improved, R4, C1 and D4 form clamp circuit, it is possible to by the voltage clamp of VCC1 to safety value, are also to play to promote stable effect.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (2)
- null1. an intelligence auxiliary controlling circuit of voltage regulation，Including resistance R1、Electric capacity C1、Audion T1、Diode D1、Potentiometer RP1 and audion T2，It is characterized in that，Described audion T1 colelctor electrode connects power supply VCC1 respectively、Resistance R4、Audion T2 colelctor electrode and electric capacity C1，The electric capacity C1 other end connects the resistance R4 other end and diode D4 negative pole respectively，Described audion T2 base stage connects resistance R1 and audion T3 colelctor electrode respectively，The resistance R1 other end connects resistance R3 and diode D2 negative pole respectively，The resistance R3 other end connects power supply VCC2，Diode D2 negative pole connecting triode T1 emitter stage respectively、Resistance R2、Potentiometer RP1 one end and output end vo，Audion T1 base stage connecting triode T2 emitter stage，The resistance R2 other end connects diode D1 negative pole and audion T3 emitter stage respectively，Audion T3 base stage connects diode D3 negative pole and potentiometer RP1 slide plate respectively，The potentiometer RP1 other end connects diode D3 positive pole respectively、Diode D1 positive pole and diode D4 positive pole ground connection.
- Intelligence auxiliary controlling circuit of voltage regulation the most according to claim 1, it is characterised in that described power supply VCC2 is galvanic current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111475.2U CN205540373U (en) | 2016-02-03 | 2016-02-03 | Supplementary steady voltage control circuit of intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620111475.2U CN205540373U (en) | 2016-02-03 | 2016-02-03 | Supplementary steady voltage control circuit of intelligence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205540373U true CN205540373U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620111475.2U Expired - Fee Related CN205540373U (en) | 2016-02-03 | 2016-02-03 | Supplementary steady voltage control circuit of intelligence |
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| CN (1) | CN205540373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070225A (en) * | 2017-06-07 | 2017-08-18 | 上海乐野网络科技有限公司 | A kind of negative-feedback discrete power circuit |
-
2016
- 2016-02-03 CN CN201620111475.2U patent/CN205540373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070225A (en) * | 2017-06-07 | 2017-08-18 | 上海乐野网络科技有限公司 | A kind of negative-feedback discrete power circuit |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20160831 Termination date: 20170203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |