CN201527622U - Switch circuit capable of turning off main power source of computer host and display - Google Patents
Switch circuit capable of turning off main power source of computer host and display Download PDFInfo
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- CN201527622U CN201527622U CN2009201726655U CN200920172665U CN201527622U CN 201527622 U CN201527622 U CN 201527622U CN 2009201726655 U CN2009201726655 U CN 2009201726655U CN 200920172665 U CN200920172665 U CN 200920172665U CN 201527622 U CN201527622 U CN 201527622U
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Abstract
The utility model discloses a switch circuit capable of turning off a main power source of a computer host and a display, in particular to a switch circuit capable of automatically turning off a main power source of a computer host and a display when a computer is turned off. The switch circuit is characterized in that 220V input voltage signals of the circuit are divided into two routes; one route is connected to a positive pole of a rectifier diode; the other route is connected to a resistance wire; actuating and opening of a relay is controlled by 12V voltage internally output by a switch power source inside a computer so as to control the switch of the main power source of the computer host and the display, thereby enabling the main power source of the computer host and the display to be automatically turned off when the computer is turned off, and achieving the purpose of saving electricity.
Description
Technical field
The present invention relates to a kind of on-off circuit that can close host computer, display general supply, be specifically related to a kind of total power switch circuit that can behind shut down of computer, close host computer, display automatically.
Background technology
Existing host computer, display are all received in the supply socket, have switch in the supply socket that has, by the manual off switch of people, brain server, display general supply can be opened circuit, but this mode can produce big electric current when possibility is because of push switch on the one hand in circuit, might burn out host computer and display; Secondly, when the people left computer, computer was still worked, and had both increased the consumption of computer, had also wasted power supply; Once more, also inconvenience to some extent of manually-operated.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of on-off circuit that can close host computer, display general supply, can close the general supply of host computer, display, using electricity wisely automatically behind shut down of computer.
For addressing the above problem, technical scheme of the present invention is:
A kind ofly can close host computer, the on-off circuit of display general supply, described circuit is arranged in the computer switch power supply, it is characterized in that: the 220V input voltage signal of described circuit is divided into two-way, the one road is connected with the commutation diode anode, described commutation diode negative electrode is connected to resistance and computer switch switch, the other end of described computer switch key is parallel to resistance, the anode of diode, the anodal back ground connection of filter capacitor, described diode and capacitances in series, described diode cathode is connected to a resistance, the other end of described resistance is received the anode of the light emitting diode of optocoupler, the plus earth of described diode, bidirectional triode thyristor one end of described optocoupler directly is connected on the 220V voltage input end, the other end of described bidirectional triode thyristor is parallel with electric capacity and resistance, described this road 220V input voltage signal also is connected with double-point double-throw switch, be connected with an electric capacity between the two ends of described double-point double-throw switch, described double-point double-throw switch and the other end be connected to computer, described computer also is connected with switch; Described another road 220V Input voltage terminal is connected to resistance wire, the other end of described resistance wire is connected to computer, the other end of described resistance wire also is connected with resistance, be parallel with commutation diode successively between the other end of the other end of described resistance and aforementioned electric capacity and resistance parallel circuit, resistance, voltage stabilizing diode, filter capacitor, electric capacity, by resistance, triode, ground connection behind the circuit that diode and relay are formed, be in series with commutation diode between described commutation diode and the resistance, the anode of described commutation diode is connected with the negative electrode of commutation diode, described commutation diode, voltage stabilizing diode, the negative pole of filter capacitor all is connected with resistance, the base stage of described triode is connected with resistance, the emitter of triode is connected with diode parallel with one another and relay, the anode of diode is connected the collector of triode, the grounded emitter of triode; Described computer switch power supply output 12V voltage, described transistor base is connected to resistance, collector is connected to diode connected in parallel and relay, described electric capacity with connect 12V computer switch electric power output voltage altogether with resistance, diode and relay after filter capacitor is in parallel, with transistor emitter ground connection altogether.
The present invention can close host computer, display general supply, and it is safer to have guaranteed that computer uses.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams that can close the on-off circuit of host computer, display general supply
Embodiment
Can close host computer by Fig. 1 is a kind of, shown in the circuit theory diagrams of the on-off circuit of display general supply, a kind ofly can close host computer, the on-off circuit of display general supply, described circuit is arranged in the computer switch power supply, it is characterized in that: the 220V input voltage signal of described circuit is divided into two-way, the one road is connected with commutation diode D1 anode, described commutation diode D1 negative electrode is connected to resistance R 1 and computer switch switch K1, the other end of described computer switch key K1 is parallel to resistance R 2, the anode of diode D6, the anodal back ground connection of filter capacitor C1, described diode D6 connects with capacitor C 1, described diode D6 negative electrode is connected to a resistance R 3, the other end of described resistance R 3 is received the anode of the light emitting diode of optocoupler IC1, the plus earth of described diode, bidirectional triode thyristor one end of described optocoupler IC1 directly is connected on the 220V voltage input end, the other end of described bidirectional triode thyristor is parallel with capacitor C 2 and resistance R 4, described this road 220V input voltage signal also is connected with double-point double-throw switch J1-2 and J2-1, be connected with an electric capacity between the two ends of described double-point double-throw switch J1-2 and J2-1, the other end of described double-point double-throw switch J1-2 and J2-1 is connected to computer CZ1, and described computer CZ1 also is connected with switch J1-1; Described another road 220V Input voltage terminal is connected to resistance wire FU, the other end of described resistance wire FU is connected to computer CZ1, the other end of described resistance wire FU also is connected with resistance R 8, be parallel with commutation diode D3 successively between the other end of the other end of described resistance R 8 and aforementioned electric capacity C2 and resistance R 4 parallel circuits, resistance R 5, voltage stabilizing diode DZ1, filter capacitor C3, capacitor C 4, by resistance R 6, triode Q1, ground connection behind the circuit that diode D4 and relay J 1 are formed, be in series with commutation diode D2 between described commutation diode D3 and the resistance R 5, the anode of described commutation diode D2 is connected with the negative electrode of commutation diode D3, described commutation diode D3, voltage stabilizing diode DZ1, the negative pole of filter capacitor C3 all is connected with resistance R 8, the base stage of described triode Q1 is connected with resistance R 6, the collector of triode Q1 is connected with diode D4 parallel with one another and relay J 1, the anode of diode D4 is connected the collector of triode Q1, the grounded emitter of triode Q1; Described computer switch power supply output 12V voltage, described triode Q2 base stage is connected to resistance R 7, collector is connected to diode connected in parallel D5 and relay J 2, described capacitor C 5 with connect 12V computer switch electric power output voltage altogether with resistance R 7, diode D5 and relay J 2 after filter capacitor C6 is in parallel, with triode Q2 emitter ground connection altogether.
Specific implementation method is: when the 220V input voltage through commutation diode D1 rectification, resistance R 1, the R2 step-down, give optocoupler IC1 power supply after the filter capacitor C1 filtering, when booting computer, press start key K1, light emitting diode is lighted in the described optocoupler IC1, make the bidirectional triode thyristor conducting, output 220V voltage is through capacitor C 2 step-downs, commutation diode D2, the D rectification, voltage stabilizing diode DZ1 voltage stabilizing, after the filter capacitor C3 filtering, output 12V voltage makes triode Q1 conducting, relay J 1 adhesive, switch J1-1, the J1-2 closure, described switch J1-2 connects, output 220V voltage, make Switching Power Supply energising work in the computer, also make simultaneously display energising work, switch J1-1 closure makes the host computer starting up simultaneously, and Switching Power Supply output 12V voltage makes triode Q2 conducting in the described computer, described triode Q2 conducting makes relay J 2 adhesives, switch J2-1 closure; After described start key K1 disconnects, disconnect relay J 1 power supply, quit work, but this moment, computer normally started, Switching Power Supply keeps output 12V voltage in the described computer, makes switch J2-1 be kept closed, host computer and display operate as normal; Behind the computer normal shutdown, Switching Power Supply does not have the output of 12V voltage in the described computer, and described relay J 2 outage backs disconnect, and described switch J2-1 disconnects, thereby closes the 220V general supply of host computer and display.
Claims (1)
1. can close host computer for one kind, the on-off circuit of display general supply, described circuit is arranged in the computer switch power supply, it is characterized in that: the 220V input voltage signal of described circuit is divided into two-way, the one road is connected with commutation diode (D1) anode, described commutation diode (D1) negative electrode is connected to resistance (R1) and computer switch switch (K1), the other end of described computer switch key (K1) is parallel to resistance (R2), the anode of diode (D6), the anodal back ground connection of filter capacitor (C1), described diode (D6) is connected with electric capacity (C1), described diode (D6) negative electrode is connected to a resistance (R3), the other end of described resistance (R3) is received the anode of the light emitting diode of optocoupler (IC1), the plus earth of described diode, bidirectional triode thyristor one end of described optocoupler (IC1) directly is connected on the 220V voltage input end, the other end of described bidirectional triode thyristor is parallel with electric capacity (C2) and resistance (R4), described this road 220V input voltage signal also is connected with double-point double-throw switch (J1-2 and J2-1), be connected with an electric capacity between the two ends of described double-point double-throw switch (J1-2 and J2-1), the other end of described double-point double-throw switch (J1-2 and J2-1) is connected to computer (CZ1), and described computer (CZ1) also is connected with switch (J1-1); Described another road 220V Input voltage terminal is connected to resistance wire (FU), the other end of described resistance wire (FU) is connected to computer (CZ1), the other end of described resistance wire (FU) also is connected with resistance (R8), be parallel with commutation diode (D3) successively between the other end of the other end of described resistance (R8) and aforementioned electric capacity (C2) and resistance (R4) parallel circuit, resistance (R5), voltage stabilizing diode (DZ1), filter capacitor (C3), electric capacity (C4), by resistance (R6), triode (Q1), ground connection behind the circuit that diode (D4) and relay (J1) are formed, be in series with commutation diode (D2) between described commutation diode (D3) and the resistance (R5), the anode of described commutation diode (D2) is connected with the negative electrode of commutation diode (D3), described commutation diode (D3), voltage stabilizing diode (DZ1), the negative pole of filter capacitor (C3) all is connected with resistance (R8), the base stage of described triode (Q1) is connected with resistance (R6), the collector of triode (Q1) is connected with diode parallel with one another (D4) and relay (J1), the anode of diode (D4) is connected the collector of triode (Q1), the grounded emitter of triode (Q1); Described computer switch power supply output 12V voltage, described triode (Q2) base stage is connected to resistance (R7), collector is connected to diode connected in parallel (D5) and relay (J2), described electric capacity (C5) back in parallel with filter capacitor (C6) connects 12V computer switch electric power output voltage altogether with resistance (R7), diode (D5) and relay (J2), is total to ground connection with triode (Q2) emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201726655U CN201527622U (en) | 2009-06-18 | 2009-06-18 | Switch circuit capable of turning off main power source of computer host and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201726655U CN201527622U (en) | 2009-06-18 | 2009-06-18 | Switch circuit capable of turning off main power source of computer host and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527622U true CN201527622U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201726655U Expired - Fee Related CN201527622U (en) | 2009-06-18 | 2009-06-18 | Switch circuit capable of turning off main power source of computer host and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360728A (en) * | 2014-11-29 | 2015-02-18 | 济南职业学院 | Industrial computer power supply switch control circuit |
-
2009
- 2009-06-18 CN CN2009201726655U patent/CN201527622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360728A (en) * | 2014-11-29 | 2015-02-18 | 济南职业学院 | Industrial computer power supply switch control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20110618 |