CN201489444U - Multifunctional computer stand-by automatic power-off energy saving device - Google Patents
Multifunctional computer stand-by automatic power-off energy saving device Download PDFInfo
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- CN201489444U CN201489444U CN2009201401263U CN200920140126U CN201489444U CN 201489444 U CN201489444 U CN 201489444U CN 2009201401263 U CN2009201401263 U CN 2009201401263U CN 200920140126 U CN200920140126 U CN 200920140126U CN 201489444 U CN201489444 U CN 201489444U
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Abstract
The utility model relates to a multifunctional computer stand-by automatic power-off energy saving device formed by a machine box and a circuit board which is arranged on a bottom plate of the machine box. The machine box is a closed hollow cavity, and is internally and fixedly provided with the circuit board; the upper end face of the machine box is provided with an electrifying switch, an emergency switch and a power supply indicating lamp, and is glued with a waterproof film panel; a rear panel of the machine box is provided with a power supply output socket and a fuse box and leads out a power supply cord; and the electrifying switch, the emergency switch, the power supply indicating lamp, the power supply output socket, the power supply cord and the fuse box are all connected with the circuit board. The multifunctional computer stand-by automatic power-off energy saving device has simple structure and keeps simple operation mode, is time-saving and greatly reduce the electric energy waste, simultaneously enhances the protection of the self circuit through an overvoltage protection circuit, a current sensing circuit and an overcurrent detection circuit. The multifunctional computer stand-by automatic power-off energy saving device supplies power for a computer by directly using an indoor power supply instead of a battery, thereby prolonging the service life; and the machine box has waterproof function due to integral sealing.
Description
One, technical field: the utility model relates to a kind of energy saver, relates in particular to a kind of multi-purpose computer standby auto-power-off energy-saving device.
Two, background technology: using computer and match appliance thereof usually, as display, scanner, printer, active audio amplifier etc., a lot of people are in order to reduce trouble, just in operating system, click shutdown, close the hard disk power supply, but after shutdown, do not turn off the supply socket switch of computer housing and other equipment or pull out power lead, at this moment computer enters holding state.Though computer screen is not lighted, still will consume the stand-by power consumption about 18W this moment, if add scanner, printer, active audio amplifier etc., stand-by power consumption will be above 25W.Though can all power supplys be disconnected by wiring board, also need when opening once more the people open to the wiring board place master switch just can, very inconvenient.The patent No. is that " 200720131610.0 computer standbies, zero power consumption control device " is though it preferably resolves the problems referred to above; reach the disconnected and purpose of closing of automatic controlling computer power supply and peripheral equipment power simultaneously; but itself is not owing to there is overcurrent protection; if voltage instantaneous overload; then electrical equipment original paper in it can be punctured, and can't continue to use.Simultaneously its startup power supply that uses is battery, though like this under off state battery equally can slowly discharge, quicken electric elements and wear out.
Three, summary of the invention: the purpose of this utility model is to propose a kind of need not from the tape starting power supply, can send electricity, outage to computer power automatically, and the multi-purpose computer standby auto-power-off energy-saving device that can in case of emergency cut off the power supply rapidly.
The purpose of this utility model is achieved in that multi-purpose computer standby auto-power-off energy-saving device by the machine box and be installed in circuit board on the machine box plate, forms an energy saver of cutting off the electricity supply automatically.The machine box is an enclosed cavity, its internal fixation circuit board.At machine box upper surface installing upper electrical switch and EmS and power light, post the waterproofing membrane panel thereon.Installing power output socket and fuse box on machine box rear panel, and extracting power supply cord.Aforementioned upper electrical switch, EmS, power light, power output socket, power lead and fuse box all are connected with circuit board.Circuit board is made up of overvoltage crowbar, current sense circuit, over-current detection circuit, standby testing circuit, the lock-in circuit that powers on, delay closing circuit, relay drive circuit, capacity voltage dropping circuit.
The utility model is simple in structure, having kept the simple operations mode, saves time, and when significantly reducing waste of energy, strengthens the protection of self circuit again.This device is by detection line voltage, and the fuse that fuses automatically when surpassing dangerous values avoids electrical equipment to exempt to damage because of high pressure.By detecting load current, when being short-circuited or during excess current the output of cutting off the electricity supply automatically.By EmS, the output of can cutting off the electricity supply rapidly.This device directly uses indoor power supply, and again to the computer power supply, the cancellation battery increases the service life.Machine box integral sealing, and post the waterproofing membrane panel on each switch, integral body possesses water-proof function.
Four, description of drawings: concrete structure of the present utility model is provided by following drawings and Examples:
Fig. 1 is a multi-purpose computer standby auto-power-off energy-saving device structure synoptic diagram;
Fig. 2 is a multi-purpose computer standby auto-power-off energy-saving device Facad structure synoptic diagram;
Fig. 3 is the base plate vertical view;
Fig. 4 is the base plate upward view;
Fig. 5 is multi-purpose computer standby auto-power-off energy-saving device circuit figure;
Legend: 1, EmS, 2, the waterproofing membrane panel, 3, upper electrical switch, 4, power light; 5, machine box, 6, fuse box, 7, power lead, 8, power output socket; 9, circuit board, 10, base plate, 11, screw; 12, sucker, 13, overvoltage crowbar, 14, current sense circuit; 15, over-current detection circuit, 16, the standby testing circuit, 17, lock-in circuit powers on; 18, delay closing circuit, 19, relay drive circuit, 20, capacity voltage dropping circuit.
Five, embodiment:
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Embodiment: shown in Fig. 1-5, multi-purpose computer standby auto-power-off energy-saving device is by machine box 5 and be installed in circuit board 9 on the machine box plate 10, forms an energy saver of cutting off the electricity supply automatically.Machine box 5 is an enclosed cavity, its internal fixation circuit board 9.At machine box 5 upper surfaces installing upper electrical switch 3 and EmS 1 and power light 4, post waterproofing membrane panel 2 thereon.Installing power output socket 8 and fuse box 6 on machine box 5 rear panels, and extracting power supply cord 7.Have screw 11 at machine box plate 10 peripheries, at base plate 10 bottom surfaces installing sucker 12, sucker 12 can substitute with double faced adhesive tape.Aforementioned upper electrical switch 3, EmS 1, power light 4, power output socket 8, power lead 7 and fuse box 6 all are connected with circuit board 9.Circuit board 9 is made up of overvoltage crowbar 13, current sense circuit 14, over-current detection circuit 15, standby testing circuit 16, the lock-in circuit 17 that powers on, delay closing circuit 18, relay drive circuit 19, capacity voltage dropping circuit 20.
Be connected overvoltage crowbar 13 8 of power lead 7 and power output sockets; overvoltage crowbar 13 is made up of voltage dependent resistor (VDR) RV, fuse S, controllable silicon V2; fuse S power supply is connected on current input terminal; voltage dependent resistor (VDR) RV and controllable silicon V2 parallel connection; connect with fuse S again; controllable silicon V2 one end connects current input terminal, and end is connected on the load circuit in addition.Current sense circuit 14 is connected on the load circuit, and it is by diode D13, the D14 of reverse parallel connection, coil B1, and diode D12 and capacitor C 4 are formed.Wherein diode D13, D14 are connected in parallel on the primary coil two ends of coil B1 for protecting diode, and Keep Clear-High Voltage in coil B1 generation when preventing overcurrent, short circuit.The primary coil of coil B1 is connected on the load circuit, and the secondary coil of coil B1 is connected with diode D12, and composes in parallel current rectifying and wave filtering circuit with capacitor C 4, for over-current detection circuit 15 provides sampled level.In current sense circuit 14 and 7 series connection of power lead K-1 contact, upper electrical switch 3 is in parallel with the K-1 contact, and K-1 is relay K 1 contact.The current input terminal of K-1 contact output terminal and power lead 7 is connected with capacity voltage dropping circuit 20 input ends, and capacity voltage dropping circuit 20 backs connect relay drive circuit 19.Relay drive circuit 19 is by relay K 1, and diode D9 and triode V1 form, and relay K 1 and diode D9 parallel connection are connected with triode V1 again.Relay drive circuit 19 output terminals are connected with delay closing circuit 18 input ends with the lock-in circuit 17 that powers on respectively, and the base stage of triode V1 is connected with the output terminal of the lock-in circuit 17 that powers on.The lock-in circuit 17 that powers on is made up of resistance R 2, inverter ic 1, resistance R 3, the inverter ic 2 of series connection successively, inverter ic 1 is connected with the output terminal of delay closing circuit 18 with the circuit of 3 of resistance R, also with between the output terminal of relay drive circuit 19 is connected EmS 1.Also connect standby testing circuit 16 and over-current detection circuit 15 behind relay drive circuit 19 output terminals successively, wherein the output terminal of standby testing circuit 16 is connected with the input end of delay closing circuit 18, and the output terminal of over-current detection circuit 15 is connected with the circuit of 4 of inverter ic 3 and resistance R.Current sense circuit 19 output terminals are connected with over-current detection circuit 15 input ends with standby testing circuit 16.
The workflow of circuit:
(1) start: when pressing upper electrical switch 3, capacity voltage dropping circuit 20 gets electric, the work of power supply road, output DC source.The lock-in circuit 17 that powers on is exported high level, makes relay K 1 adhesive of relay drive circuit 19, the work of output 220V power supply power supply brain.If after pressing upper electrical switch 3, this moment, computer was not started shooting, in the time-delay process of delay closing circuit 18, when if standby testing circuit 16 detects current sense circuits 14, the level value of detection is during less than normal operating conditions, the output high level, then can not make delay closing circuit 18 stop time-delay, make the lock-in circuit 17 that powers on after the several seconds, lose self-locking, by cutting only relay drive circuit 19, the 220V output of powered-down accessory power outlet 8.Have only behind booting computer, in the time-delay process of delay closing circuit 18, level is for just often in the standby testing circuit 16 detection current sense circuits 14, the IC6 output low level makes the lock-in circuit 17 that powers on stop time-delay, the maintenance self-locking, make relay K 1 adhesive, still keep the normal output of 220V.
(2) shutdown: after clicking the computer system shutdown, when computer is in holding state, the running current that standby testing circuit 16 detects less than current sense circuit 14, the output high level, this moment, delay closing circuit 18 output high level made the lock-in circuit 17 that powers on stop self-locking, output low level, relay K 1 disconnects, and closes 220V output.
(3) overcurrent protection: when over-current detection circuit 15 detected current sense circuit 14 load clip level, the IC5 output low level made the lock-in circuit 17 that powers on stop self-locking, output low level, and relay K 1 disconnects, and closes 220V output.
(4) overvoltage protection: when voltage on the power lead 7 surpassed safety value, the voltage dependent resistor (VDR) RV in the overvoltage crowbar 13 was breakdown, makes controllable silicon V2 conducting, and big short-circuit current plays the overvoltage protection effect with fuse S fusing.After eliminating superpotential, change the start process that fuse repeats computer, can recover normal use.
(5) emergency cutoff: when pressing EmS 1, lock-in circuit 17 output low levels that power on, closed relay K1 closes the output of 220V power supply.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease inessential technical characterictic according to actual needs, satisfies the needs of different situations.
Claims (10)
1. multi-purpose computer standby auto-power-off energy-saving device, by the machine box, and be installed in circuit board on the machine box plate, form an energy saver of cutting off the electricity supply automatically, it is characterized in that: the machine box is an enclosed cavity, its internal fixation circuit board, at machine box upper surface installing upper electrical switch and EmS and power light, post the waterproofing membrane panel thereon, installing power output socket and fuse box on machine box rear panel, and extracting power supply cord, aforementioned upper electrical switch, EmS, power light, power output socket, power lead all is connected with circuit board with fuse box.
2. multi-purpose computer standby auto-power-off energy-saving device as claimed in claim 1 is characterized in that: have screw at machine box plate periphery, at base plate bottom surface installing sucker, sucker can substitute with double faced adhesive tape.
3. multi-purpose computer standby auto-power-off energy-saving device as claimed in claim 1, it is characterized in that: circuit board is made up of overvoltage crowbar, current sense circuit, over-current detection circuit, standby testing circuit, the lock-in circuit that powers on, delay closing circuit, relay drive circuit, capacity voltage dropping circuit.
4. multi-purpose computer standby auto-power-off energy-saving device as claimed in claim 3; it is characterized in that: between power lead and power output socket, be connected overvoltage crowbar; current sense circuit is connected on the load circuit; series connection K-1 contact between current sense circuit and power lead; upper electrical switch is in parallel with the K-1 contact; the current input terminal of K-1 contact output terminal and power lead is connected with the capacity voltage dropping circuit input end; connect relay drive circuit behind the capacity voltage dropping circuit; the relay drive circuit output terminal is connected with the delay closing circuit input end with the lock-in circuit that powers on respectively; also connect standby testing circuit and over-current detection circuit behind the relay drive circuit output terminal successively, the current sense circuit output terminal is connected with the over-current detection circuit input end with the standby testing circuit.
5. as claim 3 or 4 described multi-purpose computer standby auto-power-off energy-saving devices; it is characterized in that: overvoltage crowbar is made up of voltage dependent resistor (VDR) RV, fuse S, controllable silicon V2; fuse S power supply is connected on current input terminal; voltage dependent resistor (VDR) RV and controllable silicon V2 parallel connection; connect with fuse S again; controllable silicon V2 one end connects current input terminal, and end is connected on the load circuit in addition.
6. as claim 3 or 4 described multi-purpose computer standby auto-power-off energy-saving devices, it is characterized in that: current sense circuit is by diode D13, the D14 of reverse parallel connection, coil B1, and diode D12 and capacitor C 4 compositions, wherein diode D13, D14 are connected in parallel on the primary coil two ends of coil B1, the primary coil of coil B1 is connected on the load circuit, and the secondary coil of coil B1 is connected with diode D12, and composes in parallel current rectifying and wave filtering circuit with capacitor C 4.
7. as claim 3 or 4 described multi-purpose computer standby auto-power-off energy-saving devices, it is characterized in that: relay drive circuit is by relay K 1, diode D9 and triode V1 form, relay K 1 and diode D9 parallel connection, connect with triode V1, the base stage of triode V1 is connected with the output terminal of the lock-in circuit that powers on again.
8. multi-purpose computer standby auto-power-off energy-saving device as claimed in claim 4 is characterized in that: the lock-in circuit that powers on is made up of resistance R 2, inverter ic 1, resistance R 3, the inverter ic 2 of series connection successively.
9. multi-purpose computer standby auto-power-off energy-saving device as claimed in claim 8, it is characterized in that: the inverter ic 1 in the lock-in circuit that powers on is connected with the output terminal of delay closing circuit with the circuit of 3 of resistance R, also with between the output terminal of relay drive circuit is connected EmS.
10. as claim 4 or 8 described multi-purpose computer standby auto-power-off energy-saving devices, it is characterized in that: the output terminal of standby testing circuit is connected with the input end of delay closing circuit, and the output terminal of over-current detection circuit is connected with the circuit of 4 of inverter ic 3 and resistance R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201401263U CN201489444U (en) | 2009-04-30 | 2009-04-30 | Multifunctional computer stand-by automatic power-off energy saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201401263U CN201489444U (en) | 2009-04-30 | 2009-04-30 | Multifunctional computer stand-by automatic power-off energy saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489444U true CN201489444U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201401263U Expired - Fee Related CN201489444U (en) | 2009-04-30 | 2009-04-30 | Multifunctional computer stand-by automatic power-off energy saving device |
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| CN (1) | CN201489444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064491A (en) * | 2011-10-19 | 2013-04-24 | 宏碁股份有限公司 | Electronic device and method for controlling electronic device |
| CN104038189A (en) * | 2014-06-25 | 2014-09-10 | 李长溪 | Standby circuit for household electric appliances |
-
2009
- 2009-04-30 CN CN2009201401263U patent/CN201489444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064491A (en) * | 2011-10-19 | 2013-04-24 | 宏碁股份有限公司 | Electronic device and method for controlling electronic device |
| CN104038189A (en) * | 2014-06-25 | 2014-09-10 | 李长溪 | Standby circuit for household electric appliances |
| CN104038189B (en) * | 2014-06-25 | 2017-08-25 | 李长溪 | Household electrical appliance stand-by circuit |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100526 Termination date: 20130430 |