CN206479939U - A kind of computer power supply controls circuit - Google Patents
A kind of computer power supply controls circuit Download PDFInfo
- Publication number
- CN206479939U CN206479939U CN201621310204.6U CN201621310204U CN206479939U CN 206479939 U CN206479939 U CN 206479939U CN 201621310204 U CN201621310204 U CN 201621310204U CN 206479939 U CN206479939 U CN 206479939U
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- diode
- electric capacity
- resistance
- chip
- power supply
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Abstract
Circuit is controlled the utility model discloses a kind of computer power supply, including resistance R1, chip IC 1, inductance L1 and transient voltage suppressor diode P1, one end connection electric capacity C1, transient voltage suppressor diode P1 and the 220V alternating current of the inductance L1, the transient voltage suppressor diode P1 other end connects the pin 2 of electric capacity the C1 other end, electric capacity C6, diode D1 anode, diode D4 anode, diode D6 negative electrode, the other end of 220V alternating currents and chip IC 1.The utility model computer power supply control circuit structure is simple, component is few, Super-zero control to output voltage is realized using photo-coupler combination IGCT, cause and eliminate the hidden danger that dash current is caused to LED, circuit is additionally provided with peak voltage suppression, harmonics restraint and current-limiting function simultaneously, therefore has the advantages that vdiverse in function, performance is stable and service life is long.
Description
Technical field
The utility model is related to a kind of power circuit, specifically a kind of computer power supply control circuit.
Background technology
With the continuous improvement of people's living standards, computer has become a part essential in life, especially
It is that life, work that various desktop computers give people bring great convenience, the CPU of computer-internal, video card, internal memory lamp are all
It is required that there is a constant voltage dc source that precision is higher, electric current is larger.The dc source species of existing market is various, its low and middle-end
Product is especially more, although low-end product has the advantage of price with respect to high-end product, but quality often complies with one's wishes not to the utmost, common
There is the defects such as single function, short life, interference free performance difference in power supply, although and high-end product reliable in quality, safety and stability,
But price is high also to allow people to hang back.Therefore need to be improved.
Utility model content
The purpose of this utility model is to provide a kind of computer power supply control circuit, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of computer power supply controls circuit, including resistance R1, chip IC 1, inductance L1 and transient voltage suppressor diode
P1, the inductance L1 one end connection electric capacity C1, transient voltage suppressor diode P1 and 220V alternating current, transient voltage suppress two
The pole pipe P1 other end connection electric capacity C1 other end, electric capacity C6, diode D1 anode, diode D4 anode, diode
The pin 2 of D6 negative electrode, the other end of 220V alternating currents and chip IC 1, inductance L1 other end connection bidirectional thyristor Q1's
One main electrode, bidirectional thyristor the Q1 connection of another main electrode electric capacity C4, electric capacity C4 other end connection resistance R4, electric capacity
C5 diodes D3 anode and diode D5 negative electrode, the resistance R4 other end connect the electric capacity C2 and electric capacity C5 other end, electricity
Hold the C2 other end connection resistance R1, resistance the R1 other end connection electric capacity C3 and resistance R5, electric capacity C3 other end connection electricity
Hinder R2, the resistance R2 other end connection diode D1 negative electrode and diode D2 anode, diode D2 negative electrode connection electric capacity
The C6 other end and resistance R3, the resistance R3 other end connects the pin 1 of chip IC 1, bidirectional thyristor Q1 control pole connection
The pin 3 of chip IC 1, the resistance R5 other end connects the pin 4 of chip IC 1, diode D3 negative electrode connection diode D4's
Negative electrode and resistance R6, resistance the R6 other end connection transient voltage suppressor diode P2 and computer P, diode D5 anode connect
Connect the other end of diode D6 anode, the transient voltage suppressor diode P2 other end and computer P.
It is used as preferred scheme of the present utility model：Diode D3~D6 model IN4002.
It is used as preferred scheme of the present utility model：The chip IC 1 is 4N25 photo-couplers.
It is used as preferred scheme of the present utility model：Diode D3-D6 constitutes bridge rectifier.
It is used as preferred scheme of the present utility model：The diode D1 is voltage-regulator diode.
Compared with prior art, the beneficial effects of the utility model are：The utility model computer power supply controls circuit knot
Structure is simple, component is few, realizes the Super-zero control to output voltage using photo-coupler combination IGCT, causes and eliminate impact
The hidden danger that electric current is caused to LED, while circuit is additionally provided with peak voltage suppression, harmonics restraint and current-limiting function, therefore has
Stable and service life length the advantage of vdiverse in function, performance.
Brief description of the drawings
Fig. 1 is the circuit diagram that computer power supply controls circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, a kind of computer power supply control circuit, including resistance R1, chip IC 1, inductance L1 and transient voltage
Suppress diode P1, the inductance L1 one end connection electric capacity C1, transient voltage suppressor diode P1 and 220V alternating current, transient state
The voltage suppression diode P1 other end connection electric capacity C1 other end, electric capacity C6, diode D1 anode, diode D4 sun
Pole, diode D6 negative electrode, the pin 2 of the other end of 220V alternating currents and chip IC 1, the inductance L1 other end connect two-way crystalline substance
A brake tube Q1 main electrode, bidirectional thyristor the Q1 connection of another main electrode electric capacity C4, electric capacity C4 other end connection electricity
R4, electric capacity C5 diodes D3 anode and diode D5 negative electrode are hindered, resistance R4 other end connection electric capacity C2's and electric capacity C5
The other end, electric capacity the C2 other end connection resistance R1, resistance R1 other end connection electric capacity C3 and resistance R5, electric capacity C3's is another
End connection resistance R2, resistance the R2 other end connection diode D1 negative electrode and diode D2 anode, diode D2 negative electrode
The electric capacity C6 other end and resistance R3 is connected, the resistance R3 other end connects the pin 1 of chip IC 1, bidirectional thyristor Q1 control
Pole processed connects the pin 3 of chip IC 1, and the resistance R5 other end connects the pin 4 of chip IC 1, diode D3 negative electrode connection two
Pole pipe D4 negative electrode and resistance R6, resistance the R6 other end connection transient voltage suppressor diode P2 and computer P, diode D5
Anode connection diode D6 anode, the transient voltage suppressor diode P2 other end and computer the P other end.
Diode D3~D6 model IN4002.Chip IC 1 is 4N25 photo-couplers.Diode D3-D6 constitutes bridge-type
Rectification circuit.Diode D1 is voltage-regulator diode.
Operation principle of the present utility model is：Alternating current 220V voltage by two-way intergranular pipe Q1, ballast C4//C5 be added to by
After the rectifier bridge of diode D3~D6 compositions, output ripple DC current is added to LED lamp H two ends through current limliting R6, makes it send out
Light；Q1 is driven using zero cross fired photoelectrical coupler IC1, it is ensured that connect main circuit in line voltage zero passage so that electric current
Progressively increased by zero, therefore this circuit does not have dash current generation, is also turned off during shut-off for current over-zero；Protection circuit is by overvoltage
Absorber element transient voltage suppressor diode P1, P2, electric capacity C1, inductance L1, current-limiting resistance R6 etc. are constituted, humorous for filtering out high order
The interference of ripple, instantaneous overvoltage during from civil power and failure is absorbed, and play the electricity that LED strip is flowed through in the limitation in abnormality
The effect such as stream.
The utility model computer power supply control circuit structure is simple, component is few, using photo-coupler combination IGCT
The Super-zero control to output voltage is realized, causes and eliminates the hidden danger that dash current is caused to LED, while circuit is additionally provided with point
Peak voltage suppression, harmonics restraint and current-limiting function, therefore have the advantages that vdiverse in function, performance is stable and service life is long.
Claims (5)
1. a kind of computer power supply controls circuit, including resistance R1, chip IC 1, inductance L1 and transient voltage suppressor diode P1,
Characterized in that, one end connection electric capacity C1, transient voltage suppressor diode P1 and the 220V alternating current of the inductance L1, transient state electricity
Constrain the diode P1 processed other end connection electric capacity C1 other end, electric capacity C6, diode D1 anode, diode D4 sun
Pole, diode D6 negative electrode, the pin 2 of the other end of 220V alternating currents and chip IC 1, the inductance L1 other end connect two-way crystalline substance
A brake tube Q1 main electrode, bidirectional thyristor the Q1 connection of another main electrode electric capacity C4, electric capacity C4 other end connection electricity
R4, electric capacity C5 diodes D3 anode and diode D5 negative electrode are hindered, resistance R4 other end connection electric capacity C2's and electric capacity C5
The other end, electric capacity the C2 other end connection resistance R1, resistance R1 other end connection electric capacity C3 and resistance R5, electric capacity C3's is another
End connection resistance R2, resistance the R2 other end connection diode D1 negative electrode and diode D2 anode, diode D2 negative electrode
The electric capacity C6 other end and resistance R3 is connected, the resistance R3 other end connects the pin 1 of chip IC 1, bidirectional thyristor Q1 control
Pole processed connects the pin 3 of chip IC 1, and the resistance R5 other end connects the pin 4 of chip IC 1, diode D3 negative electrode connection two
Pole pipe D4 negative electrode and resistance R6, resistance the R6 other end connection transient voltage suppressor diode P2 and computer P, diode D5
Anode connection diode D6 anode, the transient voltage suppressor diode P2 other end and computer the P other end.
2. a kind of computer power supply control circuit according to claim 1, it is characterised in that diode D3~D6 model
For IN4002.
3. a kind of computer power supply control circuit according to claim 1, it is characterised in that the chip IC 1 is 4N25
Photo-coupler.
4. a kind of computer power supply control circuit according to claim 1, it is characterised in that diode D3-D6 constitutes bridge
Formula rectification circuit.
5. a kind of computer power supply control circuit according to claim 1, it is characterised in that the diode D1 is voltage stabilizing
Diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310204.6U CN206479939U (en) | 2016-12-01 | 2016-12-01 | A kind of computer power supply controls circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310204.6U CN206479939U (en) | 2016-12-01 | 2016-12-01 | A kind of computer power supply controls circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479939U true CN206479939U (en) | 2017-09-08 |
Family
ID=59756941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621310204.6U Expired - Fee Related CN206479939U (en) | 2016-12-01 | 2016-12-01 | A kind of computer power supply controls circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994559A (en) * | 2017-12-18 | 2018-05-04 | 陈勇 | A kind of water quality monitor power protecting circuit |
-
2016
- 2016-12-01 CN CN201621310204.6U patent/CN206479939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994559A (en) * | 2017-12-18 | 2018-05-04 | 陈勇 | A kind of water quality monitor power protecting circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20181201 |