CN201355716Y - Computer dedicated energy-saving socket - Google Patents
Computer dedicated energy-saving socket Download PDFInfo
- Publication number
- CN201355716Y CN201355716Y CNU2008201041511U CN200820104151U CN201355716Y CN 201355716 Y CN201355716 Y CN 201355716Y CN U2008201041511 U CNU2008201041511 U CN U2008201041511U CN 200820104151 U CN200820104151 U CN 200820104151U CN 201355716 Y CN201355716 Y CN 201355716Y
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- circuit
- relay
- socket
- control circuit
- power
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Abstract
A computer dedicated energy-saving socket mainly comprises sockets and a circuit board, wherein, the circuit board is electrically connected with the sockets; the sockets comprise a host computer socket and a display socket; the circuits of the circuit board comprise a power supply circuit, a sampling circuit, a control circuit and a relay; the input end of the sampling circuit is connected in series with the normally open contact of the sockets and the relay, and the output end thereof is connected with a control circuit; the input end of the control circuit is connected with the sampling circuit, and the output end is connected with the relay; the relay is connected on the control circuit used for controlling the start and the close of the relay; and the input end of the power supply circuit is connected with a power cord, and the output end thereof is connected with the control circuit. When the sockets are connected with a host computer or a display (hereinafter referred to as loads), and the power supply button of the socket and the start button of the host computer are pressed at the same time, the control circuit works, the relay pulls in, the power supplies of the loads are connected, and the loads work normally; and when the host computer is shut down, the working current in the circuit is smaller, the sampling voltage of the sampling circuit cannot keep the control circuit to work on, the relay is released, and the power supply of the display is cut off automatically, thereby achieving the purposes of energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of simple in structure, the reliable operation of electrical field, the computer private jack of energy-saving and environmental protection.
Background technology
At present, the computer private jack generally is to adopt switch control.When closing computer, wait a period of time after (Host Shutdown), display could be closed.Just do not leave if wait until the Host Shutdown power-off of display (after with), display will be switched on always so, cause waste of electric energy and potential safety hazard.
Summary of the invention
Easily cause waste of energy and this deficiency of potential safety hazard in order to overcome existing computer private jack, it is a kind of simple in structure that the utility model provides, the computer energy-saving socket of reliable operation.This computer energy-saving socket is pressed the power knob of socket and the start button of host computer after connecting host computer and display (hereinafter to be referred as load) simultaneously, and load is the energy operate as normal just; And after closing host computer, the power supply of display can be cut off automatically, thereby avoided because of forgetting that closing the socket power switch causes waste of energy and this drawback of potential safety hazard, have the characteristics of energy-saving and environmental protection.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of computer energy-saving socket, mainly comprise socket and the circuit board that is electrically connected with described socket, described socket comprises host computer socket and display socket, the circuit of described circuit board is made up of power circuit, sample circuit, control circuit and relay, the sample circuit input is connected in series with the make contact of described socket and described relay, output is connected with control circuit, can be with the size of current signal feedback in the circuit in control circuit; The control circuit input is connected with sample circuit, and output is connected with relay, the adhesive and the release of the big or small control relay of the current signal of sending here according to sample circuit; Relay is connected on its control circuit that opens and closes of control, and it mainly acts on is the break-make of control load power supply; The power circuit input is connected with power line, and output is connected with control circuit, and its effect mainly is to provide voltage and current to control circuit.After described socket connects load, press the power knob of socket and the start button of host computer simultaneously, control circuit work, the relay adhesive, with the power connection of load, the load operate as normal; After closing host computer, the operating current in the circuit diminishes, and the sampling voltage of sample circuit can not be kept control circuit and work on, and relay discharges, and the power supply of display is cut off automatically, has reached the purpose of energy-saving and environmental protection.
The beneficial effects of the utility model are; Simple in structure, reliable operation, and energy-saving and environmental protection.
Description of drawings
Fig. 1 is the circuit block diagram of computer energy-saving socket circuit plate.
Entire circuit is made up of sample circuit, control circuit, power circuit and relay four parts.
Fig. 2 is the electrical schematic diagram of computer energy-saving socket circuit plate.
R1～R6 is a resistance among the figure; C1～C3 is an electric capacity, and Q1～Q2 is a triode, and U1 is a photoelectronic coupler; D1～D2 and D5～D7 are rectifier diode; D3～D4 is a voltage stabilizing didoe, and K is the coil of relay, and K1 is the make contact of relay; S1 is a power knob; D8 is the protection diode of Q2, and J1 is the host computer socket, and J2 is the display socket.
Embodiment
In Fig. 1, a kind of computer energy-saving socket, mainly comprise socket and the circuit board that is electrically connected with described socket, described socket comprises host computer socket and display socket, the circuit of described circuit board is made up of power circuit, sample circuit, control circuit and relay, the sample circuit input is connected in series with the make contact of described socket and described relay, and output is connected with control circuit; The control circuit input is connected with sample circuit, and output is connected with relay; Relay is connected on its control circuit that opens and closes of control; The power circuit input is connected with power line, and output is connected with control circuit.
In the embodiment shown in Figure 2:
Resistance R 2, diode D5, D6, D7 form sample circuit, and wherein R2 is a sample resistance, and its resistance is about 3 Ω (difference according to load is distinguished to some extent).This sample resistance (R2) is connected in series with the make contact (K1) and the socket (J1, J2 are in parallel) of relay.The effect of sample circuit mainly is the variation of perception load current, and the variable signal of electric current is delivered in the control circuit.
Photoelectronic coupler U1, triode Q1, Q2, capacitor C 3, resistance R 3, R4, R5, R6, power knob S1 form control circuit, and the effect of control circuit is adhesive and the release that comes control relay according to the load current variable signal that sample circuit is sent here.Light-emitting diode in the described photoelectrical coupler (U1) and a resistance (R3) series connection back are connected in parallel with described sample circuit; The collector and emitter of the phototriode in the described photoelectrical coupler (U1) is connected with the two ends of power knob (S1) respectively; The emitter of the phototriode in the described photoelectrical coupler (U1) is connected with the base stage of triode (Q1) by a resistance (R4), collector electrode is connected with the output of described power circuit, and the base stage of triode (Q2) is connected with the emitter of triode (Q1) by a resistance (R5); Connect the coil (K) of described relay on the emitter of triode (Q2); The collector electrode of triode (Q1) all is connected with the output of described power circuit with the collector electrode of triode (Q2).
Resistance R 1, capacitor C 1 and C2, diode D1, D2, voltage stabilizing didoe D3, D4 form power circuit, and wherein C1 is a decompression capacitor.Described power circuit input is connected with power line, and output is connected with described control circuit, and its effect mainly is to provide voltage and current to control circuit.
K is the coil of relay, and K1 is the make contact of relay.The effect of relay mainly is the break-make of control load power supply.The emitter of the coil of described relay (K) end and triode (Q2) joins, and the earth terminal of the other end and described power circuit joins.The make contact of described relay (K1), socket (J1, J2 parallel connection) and described sample resistance (R2) three are connected in series.
In the foregoing description, after described socket (J1, J2) connects load, press the power knob (S1) of socket and the start button of host computer simultaneously, power supply charges to capacitor (C3) by (S1), voltage on the capacitor (C3) is elevated to supply voltage very soon, triode Q1 and Q2 conducting thereupon, the coil of relay (K), its make contact (K1) adhesive, power connection with load, the load operate as normal, the operating current in the circuit is bigger, and the pressure drop on the sample resistance (R2) is also bigger.After this voltage process diode D5, D6, the D7 rectification, be added on the light-emitting diode in the photoelectrical coupler (U1) by resistance R 3, make this light-emitting diode conducting luminous, also conducting of phototriode in the corresponding photoelectrical coupler (U1), supply voltage is added to emitter by the collector electrode of this phototriode, make triode Q1 and Q2 conducting in succession, load keeps operate as normal.After host computer is closed, operating current in the circuit diminishes, pressure drop on the sample resistance (R2) also diminishes, light-emitting diode in the photoelectrical coupler (U1) ends, phototriode wherein also ends, and triode Q1 and Q2 also end thereupon, and the coil of relay (K) loses voltage, its make contact (K1) is separated, with the dump of display.
This computer energy-saving socket is simple, reliable operation, energy-saving and environmental protection.
Claims (2)
1, a kind of computer energy-saving socket, mainly comprise socket and the circuit board that is electrically connected with described socket, described socket comprises host computer socket and display socket, it is characterized in that: the circuit of described circuit board is made up of power circuit, sample circuit, control circuit and relay, the sample circuit input is connected in series with the make contact of described socket and described relay, and output is connected with control circuit; The control circuit input is connected with sample circuit, and output is connected with relay; Relay is connected on its control circuit that opens and closes of control; The power circuit input is connected with power line, and output is connected with control circuit.
2, computer energy-saving socket according to claim 1, it is characterized in that: described control circuit is made up of two triodes (Q1, Q2), a photoelectrical coupler (U1), a power knob (S1) and some Resistor-Capacitor Units (C3, R3, R4, R5, R6), light-emitting diode in the described photoelectrical coupler (U1) and a resistance (R3) series connection back are connected in parallel with described sample circuit, and the collector and emitter of the phototriode in the described photoelectrical coupler (U1) is connected with the two ends of power knob (S1) respectively; The emitter of the phototriode in the described photoelectrical coupler (U1) is connected with the base stage of triode (Q1) by a resistance (R4), and collector electrode is connected with the output of described power circuit; The base stage of triode (Q2) is connected with the emitter of triode (Q1) by a resistance (R5); Connect described relay coil (K) on the emitter of triode (Q2); The collector electrode of triode (Q1) all is connected with the output of described power circuit with the collector electrode of triode (Q2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201041511U CN201355716Y (en) | 2008-03-28 | 2008-03-28 | Computer dedicated energy-saving socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201041511U CN201355716Y (en) | 2008-03-28 | 2008-03-28 | Computer dedicated energy-saving socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355716Y true CN201355716Y (en) | 2009-12-02 |
Family
ID=41412058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201041511U Expired - Fee Related CN201355716Y (en) | 2008-03-28 | 2008-03-28 | Computer dedicated energy-saving socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355716Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120212076A1 (en) * | 2010-07-30 | 2012-08-23 | Yuancheng Lu | Protection circuit for electric outlet |
| CN103515800A (en) * | 2013-08-30 | 2014-01-15 | 杨作峰 | Standby zero-power-consumption energy-saving socket |
| CN105790958A (en) * | 2014-12-24 | 2016-07-20 | 曹毅林 | Network security power saver |
-
2008
- 2008-03-28 CN CNU2008201041511U patent/CN201355716Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120212076A1 (en) * | 2010-07-30 | 2012-08-23 | Yuancheng Lu | Protection circuit for electric outlet |
| CN103515800A (en) * | 2013-08-30 | 2014-01-15 | 杨作峰 | Standby zero-power-consumption energy-saving socket |
| CN103515800B (en) * | 2013-08-30 | 2015-12-02 | 杨作峰 | A kind of standby zero-power-consumption energy-saving socket |
| CN105790958A (en) * | 2014-12-24 | 2016-07-20 | 曹毅林 | Network security power saver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Jiaan Document name: Notification to Make Rectification |
|
| 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: 20091202 Termination date: 20110328 |