CN106445050A - Computer 12V intelligent voltage-stabilized source - Google Patents
Computer 12V intelligent voltage-stabilized source Download PDFInfo
- Publication number
- CN106445050A CN106445050A CN201611051937.7A CN201611051937A CN106445050A CN 106445050 A CN106445050 A CN 106445050A CN 201611051937 A CN201611051937 A CN 201611051937A CN 106445050 A CN106445050 A CN 106445050A
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- resistance
- triode
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- chip
- voltage
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
The invention discloses a computer 12V intelligent voltage-stabilized source. The computer 12V intelligent voltage-stabilized source comprises a diode D2, a potentiometer RP1, a chip IC1, a triode V2 and a triode V3. A cathode of the diode D2 is connected with a resistor R2, a resistor R7, a power source VCC and a pin 7 of the chip IC1. An anode of the diode D2 is connected with a base electrode of the triode V1 and a resistor R1, and the other end of the resistor R1 is connected with a transient voltage inhibition diode D1, a fixed end of a potentiometer RP2, a pin 4 of the chip IC1, a computer U and the pin 4 of the chip IC1. The computer 12V intelligent voltage-stabilized source can control output voltage through the combination of the triodes, the potentiometers and voltage-stabilized tubes, the output voltage is subjected to feedback adjustment through a voltage comparator and a switching triode, and finally stable power supply to a computer direct current load is achieved; the circuit structure is simple, fewer resistor elements are adopted, and the advantage of reducing cost is achieved.
Description
Technical field
The present invention relates to a kind of voltage-stabilized power supply, specifically a kind of computer 12V Intellight voltage-stabilizing power supply.
Background technology
With the development of social economy, the living standard of people improves constantly, computer be people's life ＆ amusement and
Which kind of handle official business instrument in requisite, common computer has notebook and two kinds of a desktop computer, no matter computer, inside it
Circuit board or connection resistance row be required for DC-voltage supply, and the CPU of computer-internal and miscellaneous part are to voltage
Stability requirement higher, overvoltage or step-down all can cause the damage of chip,
Due to the problem of volumetric constraint, there is certain defect on voltage regulation performance, lead to computer in existing computer power supply
Run and power supply unstable situation easily occur during large software, especially CPU, video card power reguirements higher, may when serious
Burn accessory, cause larger economic loss.
Content of the invention
It is an object of the invention to provide a kind of structure computer 12V Intellight voltage-stabilizing power supply simple, easy to use, to solve
The problem certainly proposing in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of computer 12V Intellight voltage-stabilizing power supply, including diode D2, potentiometer RP1, chip IC 1, triode V2 and triode
The negative electrode of V3, described diode D2 connects resistance R2, the pin 7 of resistance R7, power supply VCC and chip IC 1, the anode of diode D2
The base stage of connecting triode V1 and resistance R1, the other end of resistance R1 connects transient voltage suppressor diode D1, potentiometer RP2
One fixing end, the pin 4 of the pin 4, computer U and chip IC 1 of chip IC 1, the other end of resistance R2 connects potentiometer
The colelctor electrode of the other end connecting triode V1 of RP1, potentiometer RP1, the emitter stage of triode V1 connects resistance R3 and transient state electricity
Constrain the other end of diode D1 processed, the other end of resistance R3 connects another fixing end of potentiometer RP2, potentiometer RP2's
Sliding end connects the pin 3 of chip IC 1, and the pin 2 of chip IC 1 connects resistance R4 and resistance R5, and the other end of resistance R4 is grounded,
The other end of resistance R5 connects the other end of resistance R8, the emitter stage of triode V2 and computer U, and the pin 6 of chip IC 1 connects
The base stage of other end connecting triode V3 of resistance R6 and the colelctor electrode of triode V2, the base stage of triode V2 connects R8 till now
The other end and triode V3 emitter stage, the colelctor electrode of triode V3 connects the other end of R7 till now.
Preferred version as the present invention：The model of described triode V1-V3 is 9013.
Preferred version as the present invention：The model μ A741 of described chip IC 1.
Preferred version as the present invention：Described diode D1 is Zener diode.
Preferred version as the present invention：Described resistance R5 and resistance R6 is metalfilmresistor.
Compared with prior art, the invention has the beneficial effects as follows：Computer 12V Intellight voltage-stabilizing power supply of the present invention passes through three poles
It is achieved that control to output voltage, its output voltage utilizes voltage comparator and switch for pipe, the combination of potentiometer and voltage-stabiliser tube
Triode carries out feedback regulation, finally realizes the stable power-supplying to computer DC load, and circuit structure is simple, the electricity of use
Resistance element is few, has cost-effective advantage.
Brief description
Fig. 1 is the circuit diagram of computer 12V Intellight voltage-stabilizing power supply.
Specific embodiment
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 carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, a kind of computer 12V Intellight voltage-stabilizing power supply, including diode D2, potentiometer RP1, chip IC 1, three
Pole pipe V2 and triode V3, the negative electrode of described diode D2 connects resistance R2, the pin 7 of resistance R7, power supply VCC and chip IC 1,
The base stage of anode connecting triode V1 of diode D2 and resistance R1, the other end of resistance R1 connects transient voltage suppressor diode
D1, a fixing end of potentiometer RP2, the pin 4 of the pin 4, computer U and chip IC 1 of chip IC 1, resistance R2's is another
End connects potentiometer RP1, the colelctor electrode of the other end connecting triode V1 of potentiometer RP1, and the emitter stage of triode V1 connects electricity
The other end of resistance R3 and transient voltage suppressor diode D1, the other end of resistance R3 connects another fixing end of potentiometer RP2,
The sliding end of potentiometer RP2 connects the pin 3 of chip IC 1, and the pin 2 of chip IC 1 connects resistance R4 and resistance R5, resistance R4's
The other end is grounded, and the other end of resistance R5 connects the other end of resistance R8, the emitter stage of triode V2 and computer U, chip IC 1
Pin 6 connect the base stage of other end connecting triode V3 of resistance R6 and the colelctor electrode of triode V2, the base stage of triode V2
Connect the emitter stage of the other end of R8 and triode V3 till now, the colelctor electrode of triode V3 connects the other end of R7 till now.
The model of triode V1-V3 is 9013.The model μ A741 of chip IC 1.Diode D1 is Zener diode.
Resistance R5 and resistance R6 is metalfilmresistor.
The operation principle of the present invention is：In circuit, triode V1 and voltage-stabiliser tube D2 forms simple constant-current circuit, makes electric current
Keep constant, obtain sufficiently stable reference voltage.Resistance R1 is the current-limiting resistance of transient voltage suppressor diode D1, therefore adopts
With conventional, electric-resistance.Resistance R2 controls the operating current of D1, needs to be adjusted, and adjusts the work electricity of D1 with potentiometer RP1
Press with regard to adjustable output voltage, if but output voltage all feeds back to the inverting input of A1, and output voltage only up to be adjusted
To the stable piezoelectric voltage of D1, therefore, using R4 and R5 partial pressure feedback.R5 and R6 adopts the metalfilmresistor of low-temperature coefficient, R6
For protecting amplifier, resistance is 220 Ω.R7 is used for mitigating V3 burden, and this circuit output voltage is 12V.R9 is load detecting electricity
Resistance.
Computer 12V Intellight voltage-stabilizing power supply of the present invention is by the combination of triode, potentiometer and voltage-stabiliser tube it is achieved that to defeated
Go out the control of voltage, its output voltage carries out feedback regulation using voltage comparator and switch triode, finally realize to calculating
The stable power-supplying of machine DC load, and circuit structure is simple, the resistive element of use is few, has cost-effective advantage.
Claims (3)
1. a kind of computer 12V Intellight voltage-stabilizing power supply, including diode D2, potentiometer RP1, chip IC 1, triode V2 and three poles
Pipe V3 it is characterised in that described diode D2 negative electrode connect resistance R2, the pin 7 of resistance R7, power supply VCC and chip IC 1,
The base stage of anode connecting triode V1 of diode D2 and resistance R1, the other end of resistance R1 connects transient voltage suppressor diode
D1, a fixing end of potentiometer RP2, the pin 4 of the pin 4, computer U and chip IC 1 of chip IC 1, resistance R2's is another
End connects potentiometer RP1, the colelctor electrode of the other end connecting triode V1 of potentiometer RP1, and the emitter stage of triode V1 connects electricity
The other end of resistance R3 and transient voltage suppressor diode D1, the other end of resistance R3 connects another fixing end of potentiometer RP2,
The sliding end of potentiometer RP2 connects the pin 3 of chip IC 1, and the pin 2 of chip IC 1 connects resistance R4 and resistance R5, resistance R4's
The other end is grounded, and the other end of resistance R5 connects the other end of resistance R8, the emitter stage of triode V2 and computer U, chip IC 1
Pin 6 connect the base stage of other end connecting triode V3 of resistance R6 and the colelctor electrode of triode V2, the base stage of triode V2
Connect the emitter stage of the other end of R8 and triode V3 till now, the colelctor electrode of triode V3 connects the other end of R7 till now,
The model of described triode V1-V3 is 9013, the model μ A741 of described chip IC 1.
2. a kind of computer 12V Intellight voltage-stabilizing power supply according to claim 1 is it is characterised in that described diode D1 is
Zener diode.
3. a kind of computer 12V Intellight voltage-stabilizing power supply according to claim 1 is it is characterised in that described resistance R5 and electricity
Resistance R6 is metalfilmresistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051937.7A CN106445050A (en) | 2016-11-24 | 2016-11-24 | Computer 12V intelligent voltage-stabilized source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051937.7A CN106445050A (en) | 2016-11-24 | 2016-11-24 | Computer 12V intelligent voltage-stabilized source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106445050A true CN106445050A (en) | 2017-02-22 |
Family
ID=58218694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051937.7A Withdrawn CN106445050A (en) | 2016-11-24 | 2016-11-24 | Computer 12V intelligent voltage-stabilized source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106445050A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992724A (en) * | 2017-05-06 | 2017-07-28 | 深圳市贝优通新能源技术开发有限公司 | A kind of switched reluctance machines for new-energy automobile |
| CN110488958A (en) * | 2019-08-15 | 2019-11-22 | 珠海格力电器股份有限公司 | Voltage input circuit, power supply unit and touch screen |
-
2016
- 2016-11-24 CN CN201611051937.7A patent/CN106445050A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992724A (en) * | 2017-05-06 | 2017-07-28 | 深圳市贝优通新能源技术开发有限公司 | A kind of switched reluctance machines for new-energy automobile |
| CN110488958A (en) * | 2019-08-15 | 2019-11-22 | 珠海格力电器股份有限公司 | Voltage input circuit, power supply unit and touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170222 |
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| WW01 | Invention patent application withdrawn after publication |