CN2424488Y

CN2424488Y - Power source energy saving controller for computer

Info

Publication number: CN2424488Y
Application number: CN 00209047
Authority: CN
Inventors: 小泽宏海; 罗韦因
Original assignee: AKITSUGUHARA Co Ltd
Current assignee: AKITSUGUHARA Co Ltd
Priority date: 2000-04-10
Filing date: 2000-04-10
Publication date: 2001-03-21
Anticipated expiration: 2010-04-10

Abstract

The utility model discloses a power source energy saving controller for a computer, which comprises a main power source socket and a peripheral socket, wherein, the main power source socket is connected with a main machine or a monitor power source plug. The utility model is characterized in that the utility model also comprises a current detection circuit, an amplifying circuit and a control circuit, wherein, the current detection circuit is connected between commercial power and the main power source socket, a signal output end is connected with the control circuit through the amplifying circuit, and the control circuit is connected between the peripheral socket and the commercial power. The utility model can power off a switch of a peripheral after the main machine or the monitor are shut down, and the stand-by power consumption of the peripheral can be reduced.

Description

The computer power supply energy-saving controller

The utility model relates to a kind of computer power supply energy-saving controller.

All there are the problem that standby consumes electric power in the computer printer that uses, display etc. at present, and general operation instruction is not clearly informed the client, and many occasions are to be inserted in civil power (as the 220V) power socket to let alone to consume the electric power that there is no need.Causing unnecessary waste on the one hand, is one of reason that causes fire on the other hand, and especially thunder and lightning is more obvious season.The stand-by electric of above-mentioned peripherals is about the 2-5 watt, and long-term appointing consumes, and its loss is appreciable.

A kind of computing machine personality board is arranged, be provided with one or more switches.After the main frame shutdown, in turn or disposable peripheral equipment power is closed.Because printer needs 10 seconds left and right sides time, printhead is got back to original position just allow powered-down, otherwise be prone to the position confusion during next time start.Therefore, before closing printer power supply, must treat head return (about 10 seconds), make troubles and spent the stand-by period to operation.

The Japanese market has a kind of computer power supply control panel to sell, and this sharp product comes control peripheral devices by the secondary taking-up signal of power supply in the mainframe box, and inconvenience is installed, and general user can not freely use, and is restricted.In addition, still have a kind ofly by Japan factory design, the computer power supply controller that Malaysia produces adopts the method that transformer is surveyed the main frame electric current that seals in.Whole circuit use nearly 40 element constitutes, and design is complicated, and failure rate is higher, and its retail price is closed 550 yuan of Renminbi.Be unfavorable for popularizing owing to cost is too high, and self need consume electric power during standby.

The purpose of this utility model is exactly in order to overcome the above problems, and a kind of computer power supply energy-saving controller is provided, and the energy consumption of peripherals and controller itself is zero when making standby, and easy to operate.

The utility model realizes that the scheme of above-mentioned purpose is: a kind of computer power supply energy-saving controller, comprise mains power sockets, peripherals socket, mains power sockets links to each other with main frame or display power supply plug, it is characterized in that: also have current detection circuit, amplifying circuit, control circuit, described current detection circuit is connected between civil power and the mains power sockets, its signal output part is connected to control circuit through amplifying circuit, and control circuit is connected between peripherals socket and the civil power.

Adopt the beneficial effect of above scheme: current detection circuit can detect the signal of main frame open and close at any time, when main frame leaves, makes control circuit work, connects peripheral equipment power; When main frame closes, then close peripheral equipment power, to save electric energy.Owing to be that the problem of waiting for 10 seconds can be transferred to circuit and finish automatically, has made things convenient for operation widely by the closing of the automatic control peripheral devices power supply of circuit.

Fig. 1 is the utility model computer power supply energy-saving controller principle schematic.

Fig. 2 is the utility model computer power supply energy-saving controller embodiment one synoptic diagram.

Fig. 3 is the utility model computer power supply energy-saving controller embodiment two synoptic diagram.

Fig. 4 is the utility model computer power supply energy-saving controller embodiment three synoptic diagram.

Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.

Total schematic diagram is seen Fig. 1, shown in the computer power supply energy-saving controller comprise mains power sockets 3, peripherals socket 8, mains power sockets 3 links to each other with main frame or display power supply plug, it is characterized in that: also have current detection circuit 4, amplifying circuit 5, control circuit 7, described current detection circuit 4 is connected between civil power 1 and the mains power sockets 3, its signal output part is connected to control circuit 7 through amplifying circuit 5, and control circuit 7 is connected between peripherals socket 8 and the civil power 1.

For the 10-20 time-delay of second is arranged when shutting down, also include delay circuit 6 in the circuit, described delay circuit 6 is connected in before the control circuit 7, is in parallel, connects with amplifying circuit 5 or form an integral body (be amplifying circuit when playing amplification, also have time-lag action).

Foregoing circuit design is based on following thinking: add current detection circuit 4 in the main frame power circuit, when main frame was in open state, the current signal that senses amplified and drives the power supply that relay waits control peripheral devices.When main frame enters when shutdown by open state,, designed a time-delay and be 10 to 20 seconds circuit and supported power supply to delay 10-20 to cut off the power supply second because the printhead of printer needs 10 seconds left and right sides time to reset.In host power supply circuit, add monitoring elements such as resistance or transformer, measure the current value of host power supply, utilize this tested electric current to come control peripheral devices.When host power supply was closed, the electric current of whole circuit was zero, the power-off of peripherals, and having reached stand-by electric consumption is zero.When main frame was started shooting, greater than zero, this electric current was through amplifying the work such as (mainly comprising relay, controllable silicon or bidirectional triode thyristor element) of rear drive control circuit by the measured value of current detection circuit, realized opening the purpose of the power supply of peripherals.

Its principle of work is: the power unit of civil power 1 (220V) access controller, after main frame is connected switch by 3, current detection circuit 4 just produces current signal, sort signal acts on power unit 2 and amplifying circuit 5, produce the signal of a control usefulness, this signal is connected peripherals with socket 8 by delay circuit 6 and control circuit 7, realizes the purpose with host power supply control peripheral devices power supply.Normal open outlet 9 is provided with (in fact it is a conventional jack) for the machines that can not have a power failure such as facsimile recorder use among the figure.When host power supply by driving into when entering the GATT, delay circuit 6 in second, continues to provide Continuity signal at the 10-20 of shutdown, guarantee that host power supply closes electricity after, 10-20 second is delayed in the outage of control circuit 7, guarantees that printer etc. has the enough time to reset.

Be several instantiations below.

Embodiment one: see Fig. 2, civil power imports full-automatic power supply energy-saving controller by plug Z1, and the power supply of main frame is introduced by K switch 1.When main frame by the state that closes during to the state variation opened, the current detection circuit of being made up of resistance R 1, diode D1 and D2 can produce voltage signal, this signal is behind the voltage-multiplying circuit that diode D3, D4, capacitor C 1 and C2 etc. form, the signal that has amplified imports the base stage of triode G1 after resistance R 2 current limlitings, promote three utmost point G1 conductings.Civil power to the direct current power of relay for nearly 90V, and makes it to change opening state over to by normally off, and then makes switch/inlet K2 energising after diode D6 half-wave rectification, drives peripherals.Socket K3 is the normal open socket for preparations such as the facsimile recorders that can not have a power failure.

Charging capacitor C2 and base resistance R2 form delay circuit 6.In the short time of start, charge to C2 by the direct current behind the diode rectification; When shutdown, the electricity that capacitor C 2 is filled discharges to ground by resistance R 2 and base-emitter, and at interdischarge interval, base potential Eb is a noble potential, keeps the conducting of triode G1, thereby the power supply of peripherals continues to connect.When capacitor discharge when being over substantially, its electrode potential Eb step-down and cutting off the power supply.Big I by control capacittance C2 and resistance R 2 changes delay time.

Embodiment two: see Fig. 3, remainder is identical with Fig. 2 except that adopting the compound transistor amplifying circuit.Be on the basis of Fig. 2, increased triode G2 and resistance R 3.Resistance R 3 is current-limiting resistances of triode G2, and triode G2 is in order to improve the enlargement factor of electric current, to improve the sensitivity of detection with the compound use of triode G1.

Implement three: see Fig. 4, the method for employing transformer detects the Kai Heguan of host power supply.Form by transformer J2, diode D7 and resistance R 4 that signal detects and rectification circuit.Since the primary and secondary of transformer J2 bigger than very (about 20-40 times), the not enough 0.2V of elementary pressure drop, and the secondary above signal of 4V that obtains, and diode D1 and D2 are 2 reversal connection diodes, produce high-voltage pulse interference calculation machine host in the time of can preventing switching on and shutting down.The same Fig. 2 of the principle of work of remainder.

The parameter of each critical piece and numerical range are as follows among Fig. 2-Fig. 4:

Resistance R 1=0.1-10 Ω; Diode D1-D4 is withstand voltage 50 volts; Diode D5, D6 are withstand voltage greater than 300 volts; Diode D7 is withstand voltage greater than 50 volts; Electrochemical capacitor C1=1 μ F-100 μ F; Electrochemical capacitor C2=30 μ F-500 μ F; Resistance R 2=500 Ω-3K Ω; Withstand voltage Eec 〉=300 of triode G1 volt; Relay J 1 operating voltage is about 100V, and contact voltage is greater than 250 volts, and electric current is greater than 5A; The working voltage of socket K1, K2 and K3 is greater than 250 volts, and electric current decides according to load.Triode G2 is the high multiple triode of miniwatt, withstand voltage Eec 〉=20 volt; R3=100 Ω-3K Ω.

The utlity model has following advantage:

The Guan Hekai of the pass of host power switch and the realization ancillary equipment that comes, a switching manipulation Reach the purpose of control plurality of devices. Realize that the standby power consumption is zero, has solved similar products Controller self is wanted the problem of standby power consumption.

Claims

1. computer power supply energy-saving controller, comprise mains power sockets (3), peripherals socket (8), mains power sockets (3) links to each other with main frame or display power supply plug, it is characterized in that: also have current detection circuit (4), amplifying circuit (5), control circuit (7), described current detection circuit (4) is connected between civil power (1) and the mains power sockets (3), its signal output part is connected to control circuit (7) through amplifying circuit (5), and control circuit (7) is connected between peripherals socket (8) and the civil power (1).

2. computer power supply energy-saving controller as claimed in claim 1 is characterized in that: also include delay circuit (6), described delay circuit (6) is connected in control circuit (7) before, is in parallel, connects with amplifying circuit (5) or form an integral body.

3. computer power supply energy-saving controller as claimed in claim 1 or 2, it is characterized in that: described current detection circuit (4) comprises resistance (R1), two diodes (D1, D2), in parallel behind two diodes (D1, D2) reverse parallel connection with resistance (R1), back one in parallel is terminated at the phase line or the ground wire of line, and the other end is connected to corresponding with it end mutually of mains power sockets (3) or ground end.

4. computer power supply energy-saving controller as claimed in claim 1 or 2 is characterized in that: described control circuit comprises relay (J1), and its contact is connected on city's electric wire, and another contact is connected on the end of peripheral equipment power socket (8).