CN205070821U - Automobile power generation machine voltage stabilizing circuit - Google Patents
Automobile power generation machine voltage stabilizing circuit Download PDFInfo
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- CN205070821U CN205070821U CN201520725508.8U CN201520725508U CN205070821U CN 205070821 U CN205070821 U CN 205070821U CN 201520725508 U CN201520725508 U CN 201520725508U CN 205070821 U CN205070821 U CN 205070821U
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Abstract
The utility model discloses an automobile power generation machine voltage stabilizing circuit, including rectifier bridge Q, resistance R1, electric capacity C1, one -way silicon controlled rectifier VS, triode VT1 and chip U1. The utility model discloses automobile power generation machine voltage stabilizing circuit adopts two -stage switch steady voltage mode, and circuit structure is simple, and it is adjustable to keep output voltage vo to stabilize, short response time moreover, and the ripple of circuit is less than 10mv, and control accuracy is high, and interference immunity is strong.
Description
Technical field
The utility model relates to automotive field, specifically a kind of automobile current generator voltage stabilizing circuit.
Background technology
Current automobile current generator adopts transistor type voltage regulation way, by voltage stabilizing didoe, triode, Darlington transistor (being coupled to form by two triodes), its brief principle is the reverse logic effect by triode and Darlington transistor, regulate increase or the reduction of field supply, and then reach the object of control system voltage.Because this scheme adopts transistor device to realize, the response time of system is relatively long, and control precision is not high, and transistor device is easily aging, and system works can be made unstable.
Utility model content
The automobile current generator voltage stabilizing circuit that the purpose of this utility model is to provide a kind of reacts fast, control precision is high, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of automobile current generator voltage stabilizing circuit, comprises rectifier bridge Q, resistance R1, electric capacity C1, one-way SCR VS, triode VT1 and chip U1, described rectifier bridge Q pin 2 is connected automobile current generator output respectively with pin 4, and rectifier bridge Q pin 1 is contact resistance R1 respectively, resistance R7, triode VT1 emitter and triode VT2 collector electrode, the resistance R1 other end is contact resistance R2 and diode D1 negative pole respectively, and diode D1 positive pole connects rectifier bridge Q pin 3 respectively, electric capacity C1, resistance R3, resistance R5, triode VT3 emitter, diode D2 positive pole and electric capacity C2, the electric capacity C2 other end connects inductance L 1 respectively, diode D2 negative pole, triode VT2 emitter and resistance R6, the G pole of the resistance R6 other end difference contact resistance R5 other end and one-way SCR VS, the A pole of one-way SCR VS connects the electric capacity C1 other end and the resistance R2 other end respectively, the K pole contact resistance R3 other end and the resistance R4 respectively of one-way SCR VS, resistance R4 other end connecting triode VT3 base stage, triode VT3 collector electrode contact resistance R8, the resistance R8 other end is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode VT1 base stage, triode VT1 collector electrode connecting triode VT2 base stage, described inductance L 1 other end connects chip U1 pin 1, chip U1 pin 3 contact resistance R10, the resistance R10 other end connects electric capacity C3, and the electric capacity C3 other end is contact resistance R11 respectively, electric capacity C4, resistance R12, electric capacity C5, diode D3 positive pole, potentiometer RP, electric capacity C6 and output end vo negative pole, described chip U1 pin 5 is the contact resistance R11 other end and the electric capacity C4 other end respectively, the chip U1 pin 4 contact resistance R12 other end, chip U1 pin 6 connects the electric capacity C5 other end, chip U1 pin 2 connects potentiometer RP slide plate, chip U1 pin 7 connects diode D3 negative pole and inductance L 2 respectively, and inductance L 2 other end connects the potentiometer RP other end respectively, the electric capacity C6 other end and output end vo positive pole.
As further program of the utility model: described chip U1 model is CW4906.
As the utility model further scheme: described one-way SCR model is TL431.
Compared with prior art, the beneficial effects of the utility model are: the utility model automobile current generator voltage stabilizing circuit adopts two-stage switch voltage-stabilizing mode, circuit structure is simple, output voltage Vo can be kept to stablize adjustable, and the response time is short, the ripple of circuit is less than 10mv, and control precision is high, strong interference immunity.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of automobile current generator voltage stabilizing circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of automobile current generator voltage stabilizing circuit, comprises rectifier bridge Q, resistance R1, electric capacity C1, one-way SCR VS, triode VT1 and chip U1, rectifier bridge Q pin 2 is connected automobile current generator output respectively with pin 4, and rectifier bridge Q pin 1 is contact resistance R1 respectively, resistance R7, triode VT1 emitter and triode VT2 collector electrode, the resistance R1 other end is contact resistance R2 and diode D1 negative pole respectively, and diode D1 positive pole connects rectifier bridge Q pin 3 respectively, electric capacity C1, resistance R3, resistance R5, triode VT3 emitter, diode D2 positive pole and electric capacity C2, the electric capacity C2 other end connects inductance L 1 respectively, diode D2 negative pole, triode VT2 emitter and resistance R6, the G pole of the resistance R6 other end difference contact resistance R5 other end and one-way SCR VS, the A pole of one-way SCR VS connects the electric capacity C1 other end and the resistance R2 other end respectively, the K pole contact resistance R3 other end and the resistance R4 respectively of one-way SCR VS, resistance R4 other end connecting triode VT3 base stage, triode VT3 collector electrode contact resistance R8, the resistance R8 other end is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode VT1 base stage, triode VT1 collector electrode connecting triode VT2 base stage, inductance L 1 other end connects chip U1 pin 1, chip U1 pin 3 contact resistance R10, the resistance R10 other end connects electric capacity C3, and the electric capacity C3 other end is contact resistance R11 respectively, electric capacity C4, resistance R12, electric capacity C5, diode D3 positive pole, potentiometer RP, electric capacity C6 and output end vo negative pole, chip U1 pin 5 is the contact resistance R11 other end and the electric capacity C4 other end respectively, the chip U1 pin 4 contact resistance R12 other end, chip U1 pin 6 connects the electric capacity C5 other end, chip U1 pin 2 connects potentiometer RP slide plate, chip U1 pin 7 connects diode D3 negative pole and inductance L 2 respectively, and inductance L 2 other end connects the potentiometer RP other end respectively, the electric capacity C6 other end and output end vo positive pole.
Chip U1 model is CW4906.
One-way SCR model is TL431.
Operation principle of the present utility model is: general-utility car generator output voltage fluctuation range is large, the utility model circuit adopts two pieces switch voltage-stabilizing mode, output voltage stabilization can be made adjustable, the pre-voltage stabilizing circuit of the first order comprises resistance R1, electric capacity C1 and one-way SCR VS, when the tie point of resistance R3 and resistance R4 is high potential, triode VT2 and VT3 conducting, otherwise then end, during triode VT3 conducting, diode D2 ends, inductance L 1 energy storage, electric capacity C2 charges, when triode VT3 ends, diode D2 conducting, inductance L 1 and electric capacity C2 first backward the second voltage stabilizing circuit be made up of chip U1 provide electric current, regulator potentiometer RP can set voltage stabilizing output valve.The utility model automobile current generator voltage stabilizing circuit adopts two-stage switch voltage-stabilizing mode, and circuit structure is simple, and output voltage Vo can be kept to stablize adjustable, and the response time is short, the ripple of circuit is less than 10mv, and control precision is high, strong interference immunity.
Claims (3)
1. an automobile current generator voltage stabilizing circuit, comprises rectifier bridge Q, resistance R1, electric capacity C1, one-way SCR VS, triode VT1 and chip U1, is characterized in that, described rectifier bridge Q pin 2 is connected automobile current generator output respectively with pin 4, and rectifier bridge Q pin 1 is contact resistance R1 respectively, resistance R7, triode VT1 emitter and triode VT2 collector electrode, the resistance R1 other end is contact resistance R2 and diode D1 negative pole respectively, and diode D1 positive pole connects rectifier bridge Q pin 3 respectively, electric capacity C1, resistance R3, resistance R5, triode VT3 emitter, diode D2 positive pole and electric capacity C2, the electric capacity C2 other end connects inductance L 1 respectively, diode D2 negative pole, triode VT2 emitter and resistance R6, the G pole of the resistance R6 other end difference contact resistance R5 other end and one-way SCR VS, the A pole of one-way SCR VS connects the electric capacity C1 other end and the resistance R2 other end respectively, the K pole contact resistance R3 other end and the resistance R4 respectively of one-way SCR VS, resistance R4 other end connecting triode VT3 base stage, triode VT3 collector electrode contact resistance R8, the resistance R8 other end is the contact resistance R7 other end and resistance R9 respectively, resistance R9 other end connecting triode VT1 base stage, triode VT1 collector electrode connecting triode VT2 base stage, described inductance L 1 other end connects chip U1 pin 1, chip U1 pin 3 contact resistance R10, the resistance R10 other end connects electric capacity C3, and the electric capacity C3 other end is contact resistance R11 respectively, electric capacity C4, resistance R12, electric capacity C5, diode D3 positive pole, potentiometer RP, electric capacity C6 and output end vo negative pole, described chip U1 pin 5 is the contact resistance R11 other end and the electric capacity C4 other end respectively, the chip U1 pin 4 contact resistance R12 other end, chip U1 pin 6 connects the electric capacity C5 other end, chip U1 pin 2 connects potentiometer RP slide plate, chip U1 pin 7 connects diode D3 negative pole and inductance L 2 respectively, and inductance L 2 other end connects the potentiometer RP other end respectively, the electric capacity C6 other end and output end vo positive pole.
2. automobile current generator voltage stabilizing circuit according to claim 1, is characterized in that, described chip U1 model is CW4906.
3. automobile current generator voltage stabilizing circuit according to claim 1, is characterized in that, described one-way SCR model is TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725508.8U CN205070821U (en) | 2015-09-18 | 2015-09-18 | Automobile power generation machine voltage stabilizing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725508.8U CN205070821U (en) | 2015-09-18 | 2015-09-18 | Automobile power generation machine voltage stabilizing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070821U true CN205070821U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520725508.8U Expired - Fee Related CN205070821U (en) | 2015-09-18 | 2015-09-18 | Automobile power generation machine voltage stabilizing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526097A (en) * | 2018-11-06 | 2019-03-26 | 罗曦芃 | Intelligent LED desk lamp |
-
2015
- 2015-09-18 CN CN201520725508.8U patent/CN205070821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109526097A (en) * | 2018-11-06 | 2019-03-26 | 罗曦芃 | Intelligent LED desk lamp |
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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: 20160302 Termination date: 20160918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |