CN106648010A - Computer system safety power source - Google Patents
Computer system safety power source Download PDFInfo
- Publication number
- CN106648010A CN106648010A CN201611223313.9A CN201611223313A CN106648010A CN 106648010 A CN106648010 A CN 106648010A CN 201611223313 A CN201611223313 A CN 201611223313A CN 106648010 A CN106648010 A CN 106648010A
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- CN
- China
- Prior art keywords
- triode
- resistance
- chip
- pin
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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)
- Power Sources (AREA)
Abstract
The invention discloses a computer system safety power source. The computer system safety power source comprises a chip IC1, an audion V2, a diode D1 and an inductor L1, a pin 8 of the chip IC1 is connected with a resistor R1, a resistor R3, a resistor R5, an emitter of an audion V3 and a power source VCC, the other end of the resistor R3 is connected with a collector of an audion V1 and a pin 4 of the chip IC1, a base of the audion V1 is connected with the positive pole of the diode D1, and the negative pole of the diode D1 is connected with a resistor R7. The computer system safety power source is simple in circuit structure and has a few elements, the purpose of dynamic stabilivolt output is achieved by means of the timer chip and two different audions, and meanwhile the computer system safety power source has the overvoltage protection function and has the advantages of being stable in performance, convenient to use and long in service life.
Description
Technical field
The present invention relates to a kind of safety power supply, specifically a kind of computer system security power supply.
Background technology
With the development of social economy, the living standard of people is improved constantly, computer be people's life ＆ amusement and
Handle official business instrument in requisite, common computer has two kinds of notebook and a desktop computer, no matter which kind of computer, be required to
Power supply adaptor to meet the power demands of its internal difference component, in particular for the 3.3V DC voltages that master cpu is used,
Require very high, the over-pressed or under-voltage damage that can all cause CPU in stability, it is steady using three ends more than existing CPU power modules
Depressor carries out voltage output, its less stable, and heat dissipation capacity is big, needs to be equipped with fin, increases the volume of power supply.
The content of the invention
It is an object of the invention to provide a kind of computer system security power supply, to solve above-mentioned background technology in propose
Problem.
For achieving the above object, the present invention provides following technical scheme：
A kind of computer system security power supply, including chip IC 1, triode V2, diode D1 and inductance L1, the chip
The pin 8 of IC1 connects the other end of resistance R1, resistance R3, resistance R5, the emitter stage of triode V3 and power supply VCC, resistance R3 and connects
The colelctor electrode of triode V1 and the pin 4 of chip IC 1 are connect, the base stage of triode V1 connects the anode of diode D1, diode D1
Negative electrode connection resistance R7, resistance R7 the other end connection electric capacity C3, inductance L1 and CPU, resistance R1 the other end connection resistance
The pin 7 of R2 and chip IC 1, the pin 6 of the other end connection electric capacity C2, the pin 2 of chip IC 1 and chip IC 1 of resistance R2, electricity
Hold other end connection electric capacity C1, electric capacity C3, the emitter stage of triode V1, the emitter stage of triode V2, the sun of diode D2 of C2
The pin 1 of pole, the other end of CPU and chip IC 1, the connection resistance R4 of pin 3 of chip IC 1, the other end connection three of resistance R4
The base stage of pole pipe V2, the colelctor electrode connection resistance R6 of triode V2, the other end of resistance R6 connects the other end and three of resistance R5
The base stage of pole pipe V3, the other end and the negative electrode of diode D2 of the colelctor electrode connection inductance L1 of triode V3.
As the preferred version of the present invention：The triode V1 and triode V2 are NPN type triode.
As the preferred version of the present invention：Model NE555 of the chip IC 1.
As the preferred version of the present invention：The diode D1 positions Zener diode.
As the preferred version of the present invention：The triode V3 is PNP type triode.
As the preferred version of the present invention：The power supply VCC is the 1.5V direct currents exported by computer power adapter
Pressure.
Compared with prior art, the invention has the beneficial effects as follows：Computer system security power circuit of the present invention utilizes 555
Timer chip and two different triodes, realize the purpose of dynamic voltage stabilizing output, while the also work(with overvoltage protection
Can, therefore there is stable performance, easy to use and long service life.
Description of the drawings
Fig. 1 is the circuit diagram of computer system security 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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.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 creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1, a kind of computer system security power supply, including chip IC 1, triode V2, diode D1 and inductance
L1, the pin 8 of the chip IC 1 connects resistance R1, resistance R3, resistance R5, the emitter stage of triode V3 and power supply VCC, resistance
The colelctor electrode and the pin 4 of chip IC 1 of the other end connecting triode V1 of R3, the base stage of triode V1 connects the sun of diode D1
Pole, the negative electrode connection resistance R7 of diode D1, the other end connection electric capacity C3 of resistance R7, inductance L1 and CPU, resistance R1's is another
The pin 7 of end connection resistance R2 and chip IC 1, the other end of resistance R2 connects electric capacity C2, the pin 2 of chip IC 1 and chip IC 1
Pin 6, electric capacity C2 the other end connection electric capacity C1, electric capacity C3, the emitter stage of triode V1, the emitter stage of triode V2, two
The pin 1 of the anode of pole pipe D2, the other end of CPU and chip IC 1, the connection resistance R4 of pin 3 of chip IC 1, resistance R4's is another
The base stage of one end connecting triode V2, the colelctor electrode connection resistance R6 of triode V2, the other end connection resistance R5's of resistance R6
The base stage of the other end and triode V3, the other end and the negative electrode of diode D2 of the colelctor electrode connection inductance L1 of triode V3.
Triode V1 and triode V2 are NPN type triode.Model NE555 of chip IC 1.Diode D1 position voltage stabilizings
Diode.Triode V3 is PNP type triode.Power supply VCC is the 1.5V DC voltages exported by computer power adapter.
The present invention operation principle be：Chip IC 1, resistance R2 and electric capacity C2 composition stable multi-oscillation in circuit
Device, triode V2 and triode V3 can be changed as the switching tube for expanding electric current by the 3 pin output of chip IC 1
The working condition of switching tube, and then change the voltage for being added in CPU two ends, when chip IC 1 is output as high level, V2 and V3 leads
It is logical, discharge to inductance L1 and electric capacity C3, when chip IC 1 is output as low level, the electric energy stored in inductance L1 passes through two poles
Pipe D2 forms loop and discharges to CPU, and when there is overpressure situation, diode D1 is breakdown, triode V1 saturation conductions, so that
4 pin dead electricity of chip IC 1 are obtained, chip IC 1 resets, and the blocking of oscillator, triode V2 and V3 end in succession, reach overvoltage protection
Function.
Claims (3)
1. a kind of computer system security power supply, including chip IC 1, triode V2, diode D1 and inductance L1, its feature exists
In the pin 8 of the chip IC 1 connects resistance R1, resistance R3, resistance R5, the emitter stage of triode V3 and power supply VCC, resistance
The colelctor electrode and the pin 4 of chip IC 1 of the other end connecting triode V1 of R3, the base stage of triode V1 connects the sun of diode D1
Pole, the negative electrode connection resistance R7 of diode D1, the other end connection electric capacity C3 of resistance R7, inductance L1 and CPU, resistance R1's is another
The pin 7 of end connection resistance R2 and chip IC 1, the other end of resistance R2 connects electric capacity C2, the pin 2 of chip IC 1 and chip IC 1
Pin 6, electric capacity C2 the other end connection electric capacity C1, electric capacity C3, the emitter stage of triode V1, the emitter stage of triode V2, two
The pin 1 of the anode of pole pipe D2, the other end of CPU and chip IC 1, the connection resistance R4 of pin 3 of chip IC 1, resistance R4's is another
The base stage of one end connecting triode V2, the colelctor electrode connection resistance R6 of triode V2, the other end connection resistance R5's of resistance R6
The base stage of the other end and triode V3, the other end and the negative electrode of diode D2 of the colelctor electrode connection inductance L1 of triode V3, institute
State triode V1 and triode V2 and be NPN type triode, model NE555 of the chip IC 1, the diode D1 positions are steady
Pressure diode.
2. a kind of computer system security power supply according to claim 1, it is characterised in that the triode V3 is PNP
Type triode.
3. a kind of computer system security power supply according to claim 1, it is characterised in that the power supply VCC is by counting
Calculate the 1.5V DC voltages of electromechanical source adapter output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223313.9A CN106648010A (en) | 2016-12-27 | 2016-12-27 | Computer system safety power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223313.9A CN106648010A (en) | 2016-12-27 | 2016-12-27 | Computer system safety power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106648010A true CN106648010A (en) | 2017-05-10 |
Family
ID=58831464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611223313.9A Pending CN106648010A (en) | 2016-12-27 | 2016-12-27 | Computer system safety power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106648010A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147074A (en) * | 2017-07-08 | 2017-09-08 | 佛山市正略信息科技有限公司 | A kind of overvoltage protection switch circuit based on voltage-regulator diode |
| CN107222094A (en) * | 2017-08-03 | 2017-09-29 | 深圳泽土网络信息有限公司 | A kind of overvoltage protection communication power supply circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204538653U (en) * | 2015-05-07 | 2015-08-05 | 石芳堂 | A kind of guard of computer circuit |
-
2016
- 2016-12-27 CN CN201611223313.9A patent/CN106648010A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204538653U (en) * | 2015-05-07 | 2015-08-05 | 石芳堂 | A kind of guard of computer circuit |
Non-Patent Citations (1)
| Title |
|---|
| ZUUSHIP: "NE555构成的开关电源电路设计", 《HTTP://WWW.DOC88.COM/P-6741199490642.HTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147074A (en) * | 2017-07-08 | 2017-09-08 | 佛山市正略信息科技有限公司 | A kind of overvoltage protection switch circuit based on voltage-regulator diode |
| CN107222094A (en) * | 2017-08-03 | 2017-09-29 | 深圳泽土网络信息有限公司 | A kind of overvoltage protection communication power supply circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |