CN101221857A - Electric switch device - Google Patents
Electric switch device Download PDFInfo
- Publication number
- CN101221857A CN101221857A CNA2006100369721A CN200610036972A CN101221857A CN 101221857 A CN101221857 A CN 101221857A CN A2006100369721 A CNA2006100369721 A CN A2006100369721A CN 200610036972 A CN200610036972 A CN 200610036972A CN 101221857 A CN101221857 A CN 101221857A
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- China
- Prior art keywords
- computer
- circuit
- power supply
- contactor
- equipment
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Abstract
The invention relates to an electrical switch device for desk-top computer, consisting of a relay, a contactor, a time relay and a control button provided with two groups of normally opened track circuits, which are connected with one another by wires, wherein the coil of the relay uses a power supply which is electrified when a computer power is on and deenergized when the computer power is off; the power supply line controlling equipment of the computer controls the starting of the contactor and the switched line of the computer main frame by being connected with a switch, thereby being capable of switching off the power supply of computer equipment when the computer powers off; the contactor controls the power supply of an electrode of the time relay coil and the starting of the computer, and can switch on the power supply of computer equipment when the computer powers on; the time relay coil uses the power supply of computer equipment which are electrified when the computer power is on and deenergized when the computer power is off, further controlling the self locking line of the contactor; the electrical switch device of the invention has the advantages that only one key operation is enough and only one click is enough.
Description
Technical field
The present invention relates to a kind of electrical switchgear that is applicable to desktop computer.
Background technology
At present, the switch knob of all devices of desktop computer all is installed in respectively separately on the equipment, when opening or closing desktop computer, all need to open respectively or Shutdown Hosts, display and other relevant corollary equipment just can or be closed the electric power starting of each equipment, operation can't be accomplished to settle at one go.
Summary of the invention
Technical problem to be solved by this invention is to open or close the switching device of the power supply of all corollary equipments for present desktop computer provides a kind of energy one key.
Electrical switchgear of the present invention, by a relay, a contactor, the circuit that time relay and have between the control knob of two groups of normally opened track circuits connects to form.
Distinguish positive pole, the negative pole of input AC electricity at each fixed contact of described relay, and any polar curve road of earth connection and former host computer switch, and export respectively by normally opened contact, wherein, the negative or positive electrode of alternating current is at one group of switch of a line connection control button of normally-closed contact output, the other end of switch is connected to an electrode of contactor coil, and another electrode of coil is connected with another utmost point of alternating current; After being exported by normally opened contact, positive pole, negative pole and the earth connection of described alternating current be connected to each equipment of computer; Described former host computer switching circuit by normally opened contact be connected to control button another the group switch, the other end of switch is connected with another polar curve road of former host computer switch; Two electrodes at described relay coil connect switching on launch computer of computer equipment respectively, close and the both positive and negative polarity of the power supply that cuts off the power supply.
Control the connection of 5 circuits altogether at described contactor: comprise the positive pole and the negative pole of input AC electricity, in parallel respectively by output back, other end contact with the positive pole and the negative pole of the alternating current of relay normally open contact output; Import one and be connected to the corresponding to circuit of both positive and negative polarity of contactor coil electrode with control button, export by other end contact, be connected to the fixed contact of the time relay, export by the normally-closed contact of the time relay again, the circuit that is connected to contactor coil with control button is in parallel, form the self-locking circuit of contactor: the two-termial line of former host computer switch is connected to the contact at contactor two ends respectively; The last item circuit is switched on launch computer by computer equipment, an electrode of the power supply of closing and cutting off the power supply connects, export an electrode that is connected to time relay coil by other end contact, another electrode of time relay coil connects another utmost point of power supply.
After finishing above connection, press control button, contactor gets electric adhesive, connects the power supply that connects each equipment of computer, and has started computer, and at this moment, relay gets electric adhesive, keeps the connection to each device power supply (DPS) of computer; The time relay gets electric, promptly produces the adhesive action after the time-delay, disconnects the self-locking circuit of contactor, and the contactor dead electricity discharges, and disconnects all circuits simultaneously, is that dead electricity discharges after a polar curve road of time relay coil is disconnected; At this moment, the process that starts computer is finished.Press control button again, or close computer by system program, when the program of closing computer was finished, relay was that dead electricity discharges, and disconnects the power supply of each equipment of computer, closes the process of computer and finishes.Above operation can realize the control of a key switch quickly and easily to each equipment of computer.
Description of drawings
Accompanying drawing is electrical switchgear circuit theory diagrams of the present invention.
Picture in picture mark L, circuit 1, circuit 11, circuit 21, circuit 31, circuit 41 are the positive pole of alternating current, icon N, circuit 2, circuit 12 are the negative pole of alternating current, icon E, circuit e1 and circuit e2 are earth connection, circuit a and circuit b are the circuits that is connected to former host computer switch ends, circuit 101 and circuit 102 are respectively the positive pole and the negative pole circuits of switching on and closing the power supply that cuts off the power supply with launch computer of computer equipment, K is a relay, KM is a contactor, KT is the time relay, and SB is a control button.
Embodiment
Below in conjunction with accompanying drawing electrical switchgear of the present invention is done following detailed description the in detail.
As shown in drawings, electrical switchgear of the present invention comprises a relay K, a contactor KM, time relay KT and one have two groups of normally opened track circuits control knob SB and between circuit connect to form.Each fixed contact of described relay K is incoming line 1, circuit 2, circuit e1 respectively, and circuit a, and by normally opened contact difference outlet line 11, circuit 12, circuit e2 and circuit a1, wherein, circuit a1 is connected to one group of switch of control button SB, and the other end of switch is connected with circuit b, in addition, circuit 1 is at another group switch of normally-closed contact outlet line 21 connection control button SB, and the other end circuit 31 of switch is connected to an electrode of contactor KM coil.
Described contactor KM imports 5 connection lines respectively to the contact: comprise incoming line 1 and circuit 2, by other end contact output in parallel with circuit 11 and circuit 12 respectively after, transport to each equipment of computer together with earth connection e2; Incoming line 1 again, by other end contact outlet line 41, is connected to the fixed contact of time relay KT, and is in parallel with circuit 31 by the normally-closed contact output back of time relay KT again, forms the self-locking circuit of contactor; Incoming line a, other end contact is connected with circuit b; The circuit 101 of input is by the switching on launch computer of computer equipment, closes and the positive pole of the power supply that cuts off the power supply connects, and is connected to an electrode of time relay coil by another contact outlet line 103, and another electrode connects the negative pole circuit 102 of power supply.Press control button, circuit 21 and circuit 31 closures, contactor KM promptly gets electric adhesive, circuit 1 and circuit 11 closures, circuit 2 and circuit 12 closures, circuit 1 and circuit 41 closures, circuit a and circuit b closure, circuit 101 and circuit 103 closures; At this moment, each equipment of computer gets electric and starts, relay K and time relay KT also simultaneously electric, relay K gets electric adhesive, circuit 1 and circuit 21 disconnects, circuit a and circuit a1 closure, circuit 1 and circuit 11 closures, circuit 2 and circuit 12 closures, circuit e1 and circuit e2 closure, keep being connected of alternating current and each equipment of computer, and make control button be able to the switching circuit of controlling computer main frame; Time relay KT is open-circuit line 41 and circuit 31 after getting electric time-delay, and contactor KM is that dead electricity discharges, and makes also dead electricity release of time relay KT,
Claims (5)
1. electrical switchgear that is applicable to desktop computer.It is by a relay, a contactor, the circuit that time relay and one have between the control knob of two groups of normally opened track circuits connects to form: it is characterized in that, the supply line of described each equipment of relay controlling computer, and by with being connected of control button, the startup of control contactor, and the switching circuit of controlling former host computer, and when closing, computer disconnects the power supply of each equipment of computer; Described contactor, the power supply of control time relay coil, and the self-locking circuit of contactor coil and start the circuit of computer, and in starting the computer process, connect the power supply of each equipment of computer; The self-locking circuit of described time relay control contactor; The coil of described time relay coil and relay all uses switching on launch computer of computer equipment, closes and the power supply that cuts off the power supply.
2. electrical switchgear according to claim 1 is characterized in that, after described contactor gets electric adhesive, the closed power supply of each equipment of computer and the power supply of time relay coil of connecting, and the self-locking circuit of contactor coil, and the circuit of closed former host computer switch, start computer.
3. electrical switchgear according to claim 1 is characterized in that, after the described time relay gets electric time-delay, produces the self-locking circuit that closed action promptly disconnects contactor coil.
4. electrical switchgear according to claim 1, it is characterized in that, described relay disconnects the circuit that control button is connected with contactor coil after getting electric adhesive, and the closed power supply that connects each equipment of computer, with the circuit of closed former host computer switch and being connected of control button.
5. electrical switchgear according to claim 1, it is characterized in that, this electrical switchgear is by using two groups of power supplys to control three groups of circuits, comprise and use alternating current to start this device, and in start-up course being connected of closed alternating current and each equipment of computer, and the switching circuit of closed former host computer, and then start computer; And by using switching on of computer equipment with launch computer, the power supply of closing and cutting off the power supply, thereby each equipment of controlling computer is connected with alternating current, and controls the circuit of former host computer switch and being connected of control button, with being connected of control contactor coil and control button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100369721A CN101221857A (en) | 2006-08-09 | 2006-08-09 | Electric switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100369721A CN101221857A (en) | 2006-08-09 | 2006-08-09 | Electric switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101221857A true CN101221857A (en) | 2008-07-16 |
Family
ID=39631608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100369721A Pending CN101221857A (en) | 2006-08-09 | 2006-08-09 | Electric switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101221857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137880A (en) * | 2015-09-10 | 2015-12-09 | 王名杰 | Intelligent control switch |
| CN103560049B (en) * | 2013-10-28 | 2017-01-25 | 国家电网公司 | Timed automatically power-off energy-saving device |
-
2006
- 2006-08-09 CN CNA2006100369721A patent/CN101221857A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560049B (en) * | 2013-10-28 | 2017-01-25 | 国家电网公司 | Timed automatically power-off energy-saving device |
| CN105137880A (en) * | 2015-09-10 | 2015-12-09 | 王名杰 | Intelligent control switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080716 |