CN201177790Y

CN201177790Y - Full-cutting computer power supply control apparatus

Info

Publication number: CN201177790Y
Application number: CNU2008200464595U
Authority: CN
Inventors: 陈小宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-16
Filing date: 2008-04-16
Publication date: 2009-01-07
Anticipated expiration: 2018-04-16

Abstract

The utility model relates to a full automatic power-off computer power control device, which comprises a power button (Q1) and an electromagnetic relay (J), wherein, a plurality of groups of normally open contacts of the electromagnetic relay (J) are connected with the power button (Q1) in parallel and then connected in an alternating current supply loop of a host computer power supply (AC/DC) in series. The device is characterized in that a start button (Q2) connected with a power switch connecting line (power sw) on a computer panel, and the start button and the power button (Q1) form an interlocking double-linkage button (QA); both ends of the electromagnetic coil of the electromagnetic relay (J) are connected to a group of direct current output ends of the host computer power supply (AC/DC). The control device of the utility model can shut off the alternating current power supply thoroughly when the computer software is powered-off, so as to eliminate the potential safety hazard and avoid the standby power loss of the computer.

Description

Full outage computer power control device

Technical field

The utility model relates to a kind of presetting apparatus of nonnumeric control, and this device is applicable to the controlling computer host power supply.

Background technology

In order to realize the purpose of Remote Wake Up, control or online working, modern host computer all is to adopt soft switch (triggering) to start and the software shutdown basically, some and host computer connecting terminal equipment are also correspondingly used soft switch activated, this is not concerning great majority need the client of Long-distance Control or online working, obviously there is following deficiency: the attaching plug of host computer and the terminal device that is attached thereto all must be pulled out after the software shutdown, perhaps the power switch of integrated socket is thrown off, otherwise not only produce idling consumption, and have potential safety hazard.

In order to solve the problem of household electrical appliance idling consumption, the engineering technical personnel of this area have carried out number of research projects.Granted publication number discloses a kind of " tame electrical zero stand-by power consumption control circuit " for the utility model patent of CN2888508, this circuit has gone up a maintained switch in parallel at the power switch (be actually and often drive button) of household electrical appliances, this maintained switch is a kind of electromagnetic relay, its electromagnetic control coil is controlled by the low-voltage control circuit of household electrical appliances inside, press when often driving button the user, household electrical appliances get, low-voltage control circuit by household electrical appliances inside is described electromagnetic relay power supply, make its normally opened contact closure, still remain the household electrical appliances power supply during user's release button; Behind the power supply of the low-voltage control circuit block system relay solenoid of household electrical appliances inside, the normally opened contact of relay is just thrown off, and thoroughly cuts off the power supply of household electrical appliances, not only power saving but also safety.But, because the host power supply of modern computer is to be started by the start button (being referred to as power switch usually) that is connected with power switch wire jumper " pwr sw " or " RWR " on the computer main board, so the uncontrollable existing host computer of above-mentioned patented product.In addition,, realized full outage, can't realize that also computer remote wakes up, made the afunction of computer remote control idle most even make it satisfy the requirement that high-voltage alternating starts to the host power supply of existing computer.

Summary of the invention

In view of there is above-mentioned deficiency in prior art, technical problem to be solved in the utility model is to make host computer realize full outage shutdown.

The technical scheme that the utility model solves the problems of the technologies described above is:

A kind of full outage computer power control device, this device comprises a power knob and an electromagnetic relay, one group of group normally opened contact of described electromagnetic relay be series at again in the ac power supply circuit of computer host power supply after power knob is in parallel, it is characterized in that also comprising a start button that is connected with power switch connecting line (being referred to as " power sw " usually) on the computer panel, this start button and described power knob constitute the duplex button of an interlock; Two of the solenoid of described electromagnetic relay is connected on one group of dc output end of computer host power supply.

Control device described in the utility model, a power switch also in parallel on the wherein said power knob when this switch closure, still can continue to provide alternating current after the computer software shutdown, make computer still keep arousal function.The another program that keeps the computer wake-up function is, a supply socket in parallel between the following pile crown of described power knob and another AC power cord, when the attaching plug of other terminal device is inserted on this socket, also can realize full outage shutdown simultaneously with host computer; If AC power is inserted by this socket, after the computer software shutdown, still can continue to provide alternating current, make host computer be in holding state.The socket that described supply socket is preferably integrated so that be many station terminals power devices, is realized full outage control.

Control device described in the utility model, utilize described duplex button can when one group of power knob is for the host computer power supply, utilize another group launch computer button to start computer host power supply by computer main board, make described electromagnetic relay adhesive by the computer host power supply output DC, keep Alternating Current Power Supply.When computer software shut down, computer host power supply did not have direct current output, and electromagnetic relay dead electricity and throwing off has thoroughly been cut off AC power, thereby finished invention task of the present utility model.This shows that control device described in the utility model had both been eliminated long-term charged potential safety hazard, also overcome the deficiency of computer idling consumption.One of further improvement of the utility model scheme can make computer continue to have arousal function; Two of further improvement of the utility model scheme both can realize that other terminal device with the complete simultaneously outage shutdown of host computer, also can make computer continue to have arousal function.

Description of drawings

Fig. 1 is the electrical schematic diagram of a kind of specific embodiment of full outage computer power control device described in the utility model, and double dot dash line is existing computer host power supply AC/DC and computer main board CLP among the figure;

Fig. 2 is the electrical schematic diagram of the another kind of specific embodiment of full outage computer power control device described in the utility model, and double dot dash line is existing computer host power supply AC/DC and computer main board CLP among the figure.

Embodiment

Referring to Fig. 1, one group of contact Q1 among the duplex button QA (being described power knob) be series at again in the ac power supply circuit of computer host power supply AC/DC after one group of normally opened contact of electromagnetic relay J is in parallel, two of the solenoid of electromagnetic relay J is connected on the arbitrary group of 12V dc output end of computer host power supply AC/DC; The start button of the existing computer of another group contact Q2 (being described start button) replacement among the duplex button QA is connected with the power switch connecting line power sw on the computer panel.Press duplex button QA in a flash, civil power is computer host power supply AC/DC power supply by one group of contact Q1 among plug XP and the duplex button QA, another group contact Q2 among the duplex button QA makes computer host power supply AC/DC work by the wire jumper RWR on the computer main board CLP simultaneously, electromagnetic relay J just the electric one group of normally opened contact closure that makes in it, return at duplex button QA and to throw off the back and continue to keep power supply.When host computer software shut down, computer main board CLP controlling computer host power supply AC/DC quit work it, electromagnetic relay J dead electricity, and the normally opened contact in it is thrown off, and thoroughly cuts off AC power.

Referring to Fig. 1, this routine described control device, between the following pile crown of one group of contact Q1 among the wherein said duplex button QA and other AC power cord, be the integrated supply socket XS of ac input end in parallel of computer host power supply AC/DC, when the attaching plug of other terminal device is inserted on this socket XS, can realize full outage shutdown simultaneously with host computer; When AC power is inserted by this socket XS, promptly avoided control device described in the utility model, after the computer software shutdown, still can continue to provide alternating current, make host computer be in holding state, to satisfy the client's that needs Remote Wake Up and Long-distance Control are arranged needs.

Referring to Fig. 2, present embodiment and difference embodiment illustrated in fig. 1 are that to keep the mode of computer wake-up function different, its concrete scheme is: one group of contact Q1 among the duplex button QA (being described power knob) goes up a power switch SAC in parallel, when this switch closure, just be equivalent to avoid control device described in the utility model, directly civil power is directly introduced by described power switch SAC, after the computer software shutdown, still can be continued to provide alternating current, make host computer be in holding state.

Claims

1, a kind of full outage computer power control device, this device comprises a power knob (Q1) and an electromagnetic relay (J), one group of group normally opened contact of described electromagnetic relay (J) be series at again in the ac power supply circuit of computer host power supply (AC/DC) after power knob (Q1) is in parallel, it is characterized in that also comprising a start button (Q2) that is connected with power switch connecting line (power sw) on the computer panel, this start button (Q2) and described power knob (Q1) constitute the duplex button (QA) of an interlock; Two of the solenoid of described electromagnetic relay (J) is connected on one group of dc output end of computer host power supply (AC/DC).

2, a kind of full outage computer power control device according to claim 1 is characterized in that the following pile crown of described power knob (Q1) and a supply socket in parallel (XS) between the AC power cord in addition.

3, a kind of full outage computer power control device according to claim 1 is characterized in that a upward power switch in parallel (SAC) of described power knob (Q1).

4, a kind of full outage computer power control device according to claim 2 is characterized in that described supply socket (XS) is integrated socket.