CN106411159A - Computer power adapter circuit - Google Patents
Computer power adapter circuit Download PDFInfo
- Publication number
- CN106411159A CN106411159A CN201611044503.4A CN201611044503A CN106411159A CN 106411159 A CN106411159 A CN 106411159A CN 201611044503 A CN201611044503 A CN 201611044503A CN 106411159 A CN106411159 A CN 106411159A
- Authority
- CN
- China
- Prior art keywords
- resistance
- audion
- diode
- electric capacity
- circuit
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/2173—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a biphase or polyphase circuit arrangement
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
- H02M3/3381—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a computer power adapter circuit comprising a power circuit, a triode resonant circuit and a feedback output circuit. The power circuit is composed of a resistor R1, a diode D1 and a capacitor C1. The triode resonant circuit is composed of a triode V2, a transformer W and a resistor R6. The feedback output circuit is composed of a diode D2, a capacitor C5, a triode V1 and a resistor R5. According to the computer power adapter circuit, a triode and a transformer form a resonant circuit, the output voltage can be adjusted automatically by use of the voltage feedback technology, the stability of computer power supply is ensured, unstable output voltage caused by voltage fluctuation or circuit factors is reduced, and the service life of computers is prolonged effectively. Moreover, the circuit has a simple structure, comprises fewer electronic components, and has the advantage of cost saving.
Description
Technical field
The present invention relates to a kind of power supply adaptor, specifically a kind of computer power adapter circuit.
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 wiring electronics row be required for DC-voltage supply, and the CPU of computer-internal and miscellaneous part are to voltage
Stability requirement higher, overvoltage or blood pressure lowering all can cause the damage of chip,
The most single function of existing computer power adapter, interference free performance is poor, easily because electrical network fluctuation or
The problem of itself circuit of person's power supply adaptor causes the unstable of output voltage so that blue screen, deadlock, arithmetic speed in computer
Slow the problems such as, computer, the overall performance of impact computer when serious, may be burnt.
Content of the invention
It is an object of the invention to provide a kind of structure computer power adapter circuit 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 power adapter circuit, including power circuit, audion resonance circuit and feedback output circuit, institute
State power circuit and include resistance R1, diode D1 and electric capacity C1, audion resonance circuit includes audion V2, transformator W and electricity
Resistance R6, feedback output circuit includes diode D2, electric capacity C5, audion V1 and resistance R5；
One end of described resistance R1 connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1, two poles
The negative electrode of pipe D1 connects resistance R2, resistance R3, the winding N1 of electric capacity C1, electric capacity C4 and transformator W, and the other end of resistance R2 connects
The base stage of electric capacity C2, the colelctor electrode of audion V1 and audion V2, the base stage of audion V1 connects resistance R5, and resistance R5's is another
The negative electrode of end connection diode D4, electric capacity C3, the negative electrode of diode D2, electric capacity C5 and computer P, the winding N1's of transformator W
The other end connects the anode of diode D3 and the colelctor electrode of audion V2, and the emitter stage of audion V2 connects the sun of diode D4
Pole, electric capacity C3, resistance R6 and resistance R8, the base stage of the other end connecting triode V1 of resistance R5, the one of the winding N2 of transformator W
End connects the anode of diode D2, the negative electrode of diode D2, and the emitter stage of audion V1 connects the other end of electric capacity C1, resistance R6
The other end, the other end of the other end, the other end of 220V alternating current and computer P of electric capacity C5, the winding N2 of transformator W
Other end connection transformer W winding N3, the other end of the winding N3 of transformator W connects the another of resistance R4 and resistance R7
End.
Preferred version as the present invention：Described transformator W is polyphase transformer.
Preferred version as the present invention：The model of described audion V1 and audion V2 is 9013.
Preferred version as the present invention：The model of described diode D1-D4 is IN4007.
Preferred version as the present invention：Described electric capacity C1 and electric capacity C5 is filter capacitor.
Compared with prior art, the invention has the beneficial effects as follows：Computer power adapter circuit of the present invention passes through three poles
Pipe and transformator form resonance circuit, using the technology of feedback voltage achieve to output voltage automatically adjust it can be ensured that
The stability of computer power supply, reduces and causes the unstable of output voltage because of voltage pulsation or circuit power factor, thus effectively prolonging
The service life of long computer, and circuit structure is simple, the electronic component of use is few, has cost-effective advantage.
Brief description
Fig. 1 is the circuit diagram of computer power adapter circuit.
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 power adapter circuit, including power circuit, audion resonance circuit and feedback
Output circuit, described power circuit includes resistance R1, diode D1 and electric capacity C1, audion resonance circuit include audion V2,
Transformator W and resistance R6, feedback output circuit includes diode D2, electric capacity C5, audion V1 and resistance R5；
One end of described resistance R1 connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1, two poles
The negative electrode of pipe D1 connects resistance R2, resistance R3, the winding N1 of electric capacity C1, electric capacity C4 and transformator W, and the other end of resistance R2 connects
The base stage of electric capacity C2, the colelctor electrode of audion V1 and audion V2, the base stage of audion V1 connects resistance R5, and resistance R5's is another
The negative electrode of end connection diode D4, electric capacity C3, the negative electrode of diode D2, electric capacity C5 and computer P, the winding N1's of transformator W
The other end connects the anode of diode D3 and the colelctor electrode of audion V2, and the emitter stage of audion V2 connects the sun of diode D4
Pole, electric capacity C3, resistance R6 and resistance R8, the base stage of the other end connecting triode V1 of resistance R5, the one of the winding N2 of transformator W
End connects the anode of diode D2, the negative electrode of diode D2, and the emitter stage of audion V1 connects the other end of electric capacity C1, resistance R6
The other end, the other end of the other end, the other end of 220V alternating current and computer P of electric capacity C5, the winding N2 of transformator W
Other end connection transformer W winding N3, the other end of the winding N3 of transformator W connects the another of resistance R4 and resistance R7
End.
Transformator W is polyphase transformer.The model of audion V1 and audion V2 is 9013.The type of diode D1-D4
Number it is IN4007.Electric capacity C1 and electric capacity C5 is filter capacitor.
The operation principle of the present invention is：AC220V civil power smooths through resistance R1 current limliting, diode D1 halfwave rectifier, electric capacity C1
280V DC voltage is produced, this voltage one tunnel primary through switch transformer W adds to V2 colelctor electrode around N1 group, and (V2 launches after filtering
Pole through small resistor R6 to constitute loop):The base stage that the activated resistance R2 in another road and audion V1 partial pressure add to V2 provides and opens
Streaming current, after the base stage of V1 connects the sampling voltage regulation signal .V2 conducting of output voltage through resistance R5, switching power circuit resonance, leads to
Cross the inductive coupling of transformator W, secondary windings N2 and N3 of transformator forms output voltage, this voltage is through diode D2
After rectification and electric capacity C5 filtering, supply computer P uses, and this voltage also feeds back to the A point in circuit simultaneously, when output voltage liter
Gao Shi, A point voltage also raises, and the angle of flow making audion V1 through resistance R5 increases, the base stage conducting electric current of audion V2 because
This and reduce, the output voltage of resonance circuit will reduce, on the contrary still, thus reaching the purpose of burning voltage.
Claims (3)
1. a kind of computer power adapter circuit, including power circuit, audion resonance circuit and feedback output circuit, it is special
Levy and be, described power circuit includes resistance R1, diode D1 and electric capacity C1, audion resonance circuit includes audion V2, change
Depressor W and resistance R6, feedback output circuit includes diode D2, electric capacity C5, audion V1 and resistance R5；The one of described resistance R1
End connects 220V alternating current, and the other end of resistance R1 connects the anode of diode D1, and the negative electrode of diode D1 connects resistance R2, electricity
Resistance R3, the winding N1 of electric capacity C1, electric capacity C4 and transformator W, the other end of resistance R2 connects electric capacity C2, the colelctor electrode of audion V1
With the base stage of audion V2, the base stage connection resistance R5 of audion V1, the other end of resistance R5 connects the negative electrode of diode D4, electricity
Hold C3, the negative electrode of diode D2, electric capacity C5 and computer P, the other end of the winding N1 of transformator W connects the anode of diode D3
With the colelctor electrode of audion V2, the emitter stage of audion V2 connects anode, electric capacity C3, resistance R6 and the resistance R8 of diode D4,
The base stage of the other end connecting triode V1 of resistance R5, one end of the winding N2 of transformator W connects the anode of diode D2, two poles
The negative electrode of pipe D2, the emitter stage of audion V1 connect the other end of electric capacity C1, the other end of resistance R6, electric capacity C5 another
End, the other end of the other end of 220V alternating current and computer P, the other end connection transformer W of the winding N2 of transformator W around
Group N3, the other end of the winding N3 of transformator W connects the other end of resistance R4 and resistance R7, described audion V1 and audion V2
Model be 9013, described transformator W be polyphase transformer.
2. a kind of computer power adapter circuit according to claim 1 is it is characterised in that described diode D1-D4
Model be IN4007.
3. a kind of computer power adapter circuit according to claim 1 is it is characterised in that described electric capacity C1 and electric capacity
C5 is filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611044503.4A CN106411159A (en) | 2016-11-24 | 2016-11-24 | Computer power adapter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611044503.4A CN106411159A (en) | 2016-11-24 | 2016-11-24 | Computer power adapter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106411159A true CN106411159A (en) | 2017-02-15 |
Family
ID=58082630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611044503.4A Pending CN106411159A (en) | 2016-11-24 | 2016-11-24 | Computer power adapter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106411159A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204993098U (en) * | 2015-09-29 | 2016-01-20 | 路光星 | Computer adapter power |
| CN105375600A (en) * | 2015-10-28 | 2016-03-02 | 邹小辉 | Lithium battery charging circuit |
| CN205490159U (en) * | 2016-03-25 | 2016-08-17 | 陕西科技大学镐京学院 | DC power supply with soft start function |
-
2016
- 2016-11-24 CN CN201611044503.4A patent/CN106411159A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204993098U (en) * | 2015-09-29 | 2016-01-20 | 路光星 | Computer adapter power |
| CN105375600A (en) * | 2015-10-28 | 2016-03-02 | 邹小辉 | Lithium battery charging circuit |
| CN205490159U (en) * | 2016-03-25 | 2016-08-17 | 陕西科技大学镐京学院 | DC power supply with soft start function |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |