CN105652940A - Intelligent voltage-stabilizing power control circuit - Google Patents
Intelligent voltage-stabilizing power control circuit Download PDFInfo
- Publication number
- CN105652940A CN105652940A CN201610146407.4A CN201610146407A CN105652940A CN 105652940 A CN105652940 A CN 105652940A CN 201610146407 A CN201610146407 A CN 201610146407A CN 105652940 A CN105652940 A CN 105652940A
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- voltage stabilizing
- resistance
- stabilizing chip
- diode
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses an intelligent voltage-stabilizing power control circuit. The intelligent control circuit comprises a voltage stabilizing chip U1, a resistor R1, a capacitor C1, a capacitor C3, an audion VT1, a diode VD1 and a potentiometer RP1, wherein one end of the resistor R1 is connected with a power supply VCC, the capacitor C1, a pin 5 of the voltage stabilizing chip U1, a pin 6 of the voltage stabilizing chip U1, a pin 7 of the voltage stabilizing chip U1, a capacitor C2, a resistor R5 and a resistor R6 respectively; the other end of the resistor R6 is connected with an emitter of the audion VT1 and a negative electrode of the diode VD1 respectively; a positive electrode of the diode VD1 is connected with a pin 8 of the voltage stabilizing chip U1; the other end of the resistor R5 is connected with a resistor R4 and a base of an audion VT2 respectively; the other end of the resistor R4 is connected with a pin 9 of the voltage stabilizing chip U1. According to the intelligent voltage stabilizing power control circuit disclosed by the invention, the voltage stabilizing chip SM9100 is adopted as a controller, and is matched with the audions and some resistor-capacitor elements, so that the intelligent voltage stabilizing power control circuit has the advantages of good voltage stabilizing effect, high stability, simple circuit structure, low cost, small size, wide application range and high market competitiveness.
Description
Technical field
The present invention relates to a kind of control circuit, specifically a kind of Intellight voltage-stabilizing power control circuit.
Background technology
Along with popularizing of present electrical equipment, bringing revolutionary change to industrial and agricultural production, Defence business, science and technology, accelerate the development of society, people have stepped into Electrification Age, also the quality of life making people obtains and is greatly improved, and also increasingly be unable to do without these electric equipments. Along with the development of science and technology, the precision of electric equipment also gradually steps up, and there occurs earth-shaking change, but how to protect the not interfered by outside of these electric equipments, has become the subject matter that current development in science and technology is paid close attention to. The electrical network of current China is popularized, and huge network system gives us many convenience. But the user being as accessing electrical network increases, and the variation of consumer electronics, also result in the instability of line voltage, voltage fluctuated, also become the principal element damaging electric equipment. Existing a lot of stabilized-voltage power supply controller, in order to reduce cost, coordinates Resistor-Capacitor Unit design, less stable only with audion, how to design the power circuit taking into account high stability and low cost, is the emphasis of research in industry.
Summary of the invention
It is an object of the invention to provide a kind of Intellight voltage-stabilizing power control circuit, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of Intellight voltage-stabilizing power control circuit, including voltage stabilizing chip U1, resistance R1, electric capacity C1, electric capacity C3, audion VT1, diode VD1 and potentiometer RP1, described resistance R1 one end connects power supply VCC respectively, electric capacity C1, voltage stabilizing chip U1 pin 5, voltage stabilizing chip U1 pin 6, voltage stabilizing chip U1 pin 7, electric capacity C2, resistance R5 and resistance R6, the resistance R6 other end is connecting triode VT1 emitter stage and diode VD1 negative pole respectively, diode VD1 positive pole connects voltage stabilizing chip U1 pin 8, the resistance R5 other end connects resistance R4 and audion VT2 base stage respectively, the resistance R4 other end connects voltage stabilizing chip U1 pin 9, audion VT2 emitter stage connecting triode VT1 base stage, audion VT1 colelctor electrode is connecting triode VT2 colelctor electrode respectively, output end vo, diode VD2 negative pole, electric capacity C3 and resistance R2, the resistance R2 other end connects the electric capacity C1 other end respectively, diode VD3 negative pole, the resistance R1 other end, potentiometer RP1 one end and potentiometer RP1 slide plate, the potentiometer RP1 other end connects resistance R3 respectively, the electric capacity C3 other end and diode VD2 positive pole, the resistance R3 other end connects voltage stabilizing chip U1 pin 1 and the electric capacity C2 other end respectively, and described diode VD3 positive pole connects voltage stabilizing chip U1 pin 2,Described voltage stabilizing chip U1 adopts SM9100.
As the present invention further scheme: described diode VD3 is Zener diode.
Compared with prior art, the invention has the beneficial effects as follows: Intellight voltage-stabilizing power control circuit of the present invention adopts voltage stabilizing chip SM9100 as controller, coordinate audion and some Resistor-Capacitor Units, voltage regulation result is good, and stability is high, and circuit structure is simple, cost is low, volume is little, applied widely, and the market competitiveness is strong.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of Intellight voltage-stabilizing power control circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of Intellight voltage-stabilizing power control circuit, including voltage stabilizing chip U1, resistance R1, electric capacity C1, electric capacity C3, audion VT1, diode VD1 and potentiometer RP1, described resistance R1 one end connects power supply VCC respectively, electric capacity C1, voltage stabilizing chip U1 pin 5, voltage stabilizing chip U1 pin 6, voltage stabilizing chip U1 pin 7, electric capacity C2, resistance R5 and resistance R6, the resistance R6 other end is connecting triode VT1 emitter stage and diode VD1 negative pole respectively, diode VD1 positive pole connects voltage stabilizing chip U1 pin 8, the resistance R5 other end connects resistance R4 and audion VT2 base stage respectively, the resistance R4 other end connects voltage stabilizing chip U1 pin 9, audion VT2 emitter stage connecting triode VT1 base stage, audion VT1 colelctor electrode is connecting triode VT2 colelctor electrode respectively, output end vo, diode VD2 negative pole, electric capacity C3 and resistance R2, the resistance R2 other end connects the electric capacity C1 other end respectively, diode VD3 negative pole, the resistance R1 other end, potentiometer RP1 one end and potentiometer RP1 slide plate, the potentiometer RP1 other end connects resistance R3 respectively, the electric capacity C3 other end and diode VD2 positive pole, the resistance R3 other end connects voltage stabilizing chip U1 pin 1 and the electric capacity C2 other end respectively, and described diode VD3 positive pole connects voltage stabilizing chip U1 pin 2, described voltage stabilizing chip U1 adopts SM9100, described diode VD3 is Zener diode.
The operation principle of the present invention is: refer to Fig. 1,5 feet of voltage stabilizing chip U1 are capacitance-resistance common port, when this foot connects high level, U1 outfan 9 foot will be made to be constantly in low level, this signal is added to the high-power darlington switching tube being made up of VT1 and VT2 through resistance R4 so that it is conducting, so that VT1 colelctor electrode has voltage to export, this voltage one tunnel is supplied to output end vo output, and another road feeds back to diode VD3 negative pole through resistance R2.
When the voltage occurring that certain reason makes VT1 pipe collector export rises; sage is also covered by the voltage feeding back to VD3 negative pole place through R2; make VD3 by Zener breakdown; and then also make the 2 foot voltages of U1 raise generation protection act; 9 feet making U1 become high level; so that VT1 cut-off, the on off state of VT1 will make voltage output end Vo maintain within the scope of certain numerical value.
VD2 is fly-wheel diode, and being used for protecting VT1, resistance R6 is overcurrent sample resistance, excessive once the electric current flowing through VT1 emitter stage, carries out overcurrent protection by 8 feet of U1, regulates RP1 and can control the size of output end vo voltage.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention. Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. an Intellight voltage-stabilizing power control circuit, including voltage stabilizing chip U1, resistance R1, electric capacity C1, electric capacity C3, audion VT1, diode VD1 and potentiometer RP1, it is characterised in that described resistance R1 one end connects power supply VCC respectively, electric capacity C1, voltage stabilizing chip U1 pin 5, voltage stabilizing chip U1 pin 6, voltage stabilizing chip U1 pin 7, electric capacity C2, resistance R5 and resistance R6, the resistance R6 other end is connecting triode VT1 emitter stage and diode VD1 negative pole respectively, diode VD1 positive pole connects voltage stabilizing chip U1 pin 8, the resistance R5 other end connects resistance R4 and audion VT2 base stage respectively, the resistance R4 other end connects voltage stabilizing chip U1 pin 9, audion VT2 emitter stage connecting triode VT1 base stage, audion VT1 colelctor electrode is connecting triode VT2 colelctor electrode respectively, output end vo, diode VD2 negative pole, electric capacity C3 and resistance R2, the resistance R2 other end connects the electric capacity C1 other end respectively, diode VD3 negative pole, the resistance R1 other end, potentiometer RP1 one end and potentiometer RP1 slide plate, the potentiometer RP1 other end connects resistance R3 respectively, the electric capacity C3 other end and diode VD2 positive pole, the resistance R3 other end connects voltage stabilizing chip U1 pin 1 and the electric capacity C2 other end respectively, and described diode VD3 positive pole connects voltage stabilizing chip U1 pin 2, described voltage stabilizing chip U1 adopts SM9100.
2. Intellight voltage-stabilizing power control circuit according to claim 1, it is characterised in that described diode VD3 is Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146407.4A CN105652940A (en) | 2016-03-07 | 2016-03-07 | Intelligent voltage-stabilizing power control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146407.4A CN105652940A (en) | 2016-03-07 | 2016-03-07 | Intelligent voltage-stabilizing power control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105652940A true CN105652940A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146407.4A Pending CN105652940A (en) | 2016-03-07 | 2016-03-07 | Intelligent voltage-stabilizing power control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973882A (en) * | 2022-05-25 | 2022-08-30 | 长沙铭兴教学仪器有限公司 | Vibration alarm circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6710583B2 (en) * | 2001-09-28 | 2004-03-23 | Catalyst Semiconductor, Inc. | Low dropout voltage regulator with non-miller frequency compensation |
| CN203204486U (en) * | 2013-04-10 | 2013-09-18 | 成都爱信雅克科技有限公司 | Current reducing protection type power stabilizer for communication equipment |
| CN205427684U (en) * | 2016-03-07 | 2016-08-03 | 何小平 | Intelligence constant voltage power supply control circuit |
-
2016
- 2016-03-07 CN CN201610146407.4A patent/CN105652940A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6710583B2 (en) * | 2001-09-28 | 2004-03-23 | Catalyst Semiconductor, Inc. | Low dropout voltage regulator with non-miller frequency compensation |
| CN203204486U (en) * | 2013-04-10 | 2013-09-18 | 成都爱信雅克科技有限公司 | Current reducing protection type power stabilizer for communication equipment |
| CN205427684U (en) * | 2016-03-07 | 2016-08-03 | 何小平 | Intelligence constant voltage power supply control circuit |
Non-Patent Citations (1)
| Title |
|---|
| 佚名: "基于SM9100芯片的汽车电子电压调试电路", 《EEPW电子产品世界》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973882A (en) * | 2022-05-25 | 2022-08-30 | 长沙铭兴教学仪器有限公司 | Vibration alarm circuit |
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Application publication date: 20160608 |
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