CN2901406Y - Computer power controller - Google Patents
Computer power controller Download PDFInfo
- Publication number
- CN2901406Y CN2901406Y CN 200620012127 CN200620012127U CN2901406Y CN 2901406 Y CN2901406 Y CN 2901406Y CN 200620012127 CN200620012127 CN 200620012127 CN 200620012127 U CN200620012127 U CN 200620012127U CN 2901406 Y CN2901406 Y CN 2901406Y
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- CN
- China
- Prior art keywords
- keyboard
- circuit
- power supply
- switching circuit
- computer
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- Expired - Fee Related
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Abstract
The utility model provides a computer power control device for controlling on-and-off of the computer power and the computer. The utility model comprising a power control unit which can connect with an outer power and a computer power and supply the electric power of the computer via being turned on-and-off, a keyboard switching circuit which can connect with a computer keyboard and a computer keyboard connector for transmitting a key signal of the computer keyboard, and a keyboard signal processing unit respectively connected with the power control unit and the keyboard switching circuit separately, while it compares the key signal of the keyboard switching circuit and turns on-or-off the computer power by the power control unit via the result of the comparison.
Description
Technical field
The utility model relates to a kind of power supply control device, especially relates to a kind of open and close of control computer power supply, and the computer power supply control device of start and shutdown.
Background technology
Computing machine (hereinafter to be referred as the AT computing machine) epoch of AT (advanced technology) form of power in the past, the unlatching of power supply or close all must be controlled by the power switch of power supply unit.Because this power switch is located at the main frame rear usually, so quite inconvenience in the use.For improving these shortcomings, there was computing machine to produce (hereinafter to be referred as the ATX computing machine) afterwards with ATX (advanced technology extended) form of power, the setting of this kind computing machine coupled computer motherboard interlock circuit and Basic Input or Output System (BIOS) (basic input outputsystem, BIOS) setting, make computing machine be able to shut down by software, but behind this computer shutdown, system power supply is not closed fully, but the power supply of computing machine one predetermined voltage is provided and is entered holding state by+5VSB.Can see through this standby power this moment receives by the controlling signal that waken system transmitted such as keyboard, mouse, modulator-demodular unit or network, the action that computing machine is started shooting computing machine.
Known keyboard power control system as shown in Figure 1, it comprises a computer keyboard 11, an operation circuit 12 set on computer keyboard 11 and the computer main frame panel 13 is connected, and 13 of motherboards are connected with ATX power supply 14, and provide power source by ATX power supply 14.When the user desires switching computer, can be by the predetermined key combination of computer keyboard 11 inputs, compared judgement by control circuit 12 afterwards, if its comparison result is correct, then produce a high impulse signal and give motherboard 13, again by motherboard 13 with electric power starting or close signal and send ATX power supply 14 to, make ATX power supply 14 open or powered-downs.Therefore, no matter be aforementioned waken system or other waken system, all be the keying signal with computer keyboard 11 is sent on the motherboard action of power supply unit being controlled by motherboard again.If this computer main frame panel is not provided with aforementioned control circuit, then can't reach by the purpose of Keyboard Control power supply.
The utility model content
Known when utilizing the Keyboard Control computer power switch for improving, control circuit with corresponding function must be set on computer main frame panel, and make the restricted shortcoming of Keyboard Control application, the utility model will provide a kind of computer power supply control device set outside main frame, make no matter the computing machine of establishing that connects is AT or ATX computing machine, also no matter whether its motherboard is provided with known control circuit, all can be by the switch and the start of computer power supply control device control computer power supply of the present utility model, actions such as shutdown, make the utility model be applicable to the computing machine of any type, and with a wide range of applications and convenience.
Based on above-mentioned purpose, the utility model provides a kind of computer power supply control device that utilizes computer keyboard management and control computer power supply to open and close state, it comprises: a power control unit, this power control unit can be connected with a computer power supply with an external power source, its unlatching or close the electric power that this computer power supply is provided; One keyboard switching circuit, this keyboard switching circuit can be connected with a computer keyboard joint with a computer keyboard, and it transmits the keying signal that this computer keyboard is pressed; An and keyboard signal processing unit, this keyboard signal processing unit is connected with this power control unit and this keyboard switching circuit respectively, this keyboard signal processing unit is comparison this keying signal that this keyboard switching circuit transmitted, and makes this power control unit open or close it according to comparison result connecing this computer power supply of establishing.
Wherein, this keyboard signal processing unit can comprise a microprocessor, a keyboard decoding circuit and a keyboard coding circuit, this microprocessor is connected with this power control unit, and this keyboard decoding circuit and this keyboard coding circuit then are connected between this microprocessor and this keyboard switching circuit.This power control unit then can comprise a power supply circuit and a power control circuit, and this power supply circuit is connected with this power control circuit, and is connected with this keyboard signal processing unit respectively.In addition, this keyboard switching circuit comprises a PS/2 keyboard switching circuit and a USB keyboard switching circuit, this PS/2 keyboard switching circuit and this USB keyboard switching circuit are connected with a USB changes the PS/2 keyboard circuit, and this PS/2 keyboard switching circuit also is connected with this keyboard coding circuit with set this keyboard decoding circuit of this keyboard signal processing unit respectively.
Implement the utility model, by the key combination of this computer keyboard input setting, after the comparison of keyboard signal processing unit, if correct electric power starting key combination, then make this power control unit power-on circuit, then computer power supply can carry out boot action after opening.Because the power supply of computing machine can be fully by power control unit control in the utility model device, so AT and ATX computing machine are all applicable.On the other hand, if ATX computing machine, then can pass keyboard switching circuit back by the keyboard signal processing unit controlling signal of directly will starting shooting, start shooting by motherboard again with keyboard arousal function, or the controlling signal of directly will starting shooting sends set other wakeup unit on the computing machine to, wakes computing machine up and starts shooting.
In addition, if desire the power supply of shutting down computer, the key combination of being set by this computer keyboard input equally then is after the comparison of keyboard signal processing unit, if correct power-off key combination then makes this power control unit power supply of shutting down computer.
Description of drawings
Fig. 1 is the known synoptic diagram that utilizes keyboard signal management and control computer power supply;
Fig. 2 is the synoptic diagram of the utility model embodiment;
Fig. 3 is the synoptic diagram of another embodiment of the utility model;
Fig. 4 is the synoptic diagram that the utility model embodiment device is connected with computing machine, keyboard.
Among the figure:
11 computer keyboards, 12 operation circuits
13 motherboards, 14 ATX power supplys
20 computer power supply control devices
21 power control units, 2101 power input sockets
2102 power output sockets, 211 power supply circuits
212 power control circuits, 22 keyboard signal processing units
221 microprocessors, 222 keyboard decoding circuit
223 keyboard coding circuits, 23 keyboard switching circuits
2301 PS/2 input adapters, 2302 PS/2 out splice going splices
2303 USB input adapters, 2304 USB out splice going splices
231 PS/2 keyboard switching circuits, 232 USB keyboard switching circuits
233 USB change PS/2 keyboard circuit 24 voltage conversion circuits
30 computer keyboards
301 keyboard connecting lines, 302 PS/2 connecting lines
31 PS/2 computer keyboards, 32 USB computer keyboards
40 external power sources
41 power leads
50 main frames
51 computer power supplies, 511 electric power connection lines
52 computing machine wakeup unit, 53 computer keyboard joints
531 computing machine PS/2 keyboard connectors, 532 computing machine USB keyboard connectors
Embodiment
See also Fig. 2, this figure is the synoptic diagram of the utility model embodiment.Computer power supply control device of the present utility model comprises a power control unit 21, a keyboard signal processing unit 22 and a keyboard switching circuit 23.Keyboard signal processing unit 22 is to be connected between power control unit 21 and the keyboard switching circuit 23, and it can further be equipped with a voltage conversion circuit 24.
Please continue to consult Fig. 2, one end of power control unit 21 can be connected with external power source 40, see through the control of power control unit 21, the electric power of external power source 40 is further transmitted or stop to be sent in the computer power supply 51 that is connected on the computing machine 50, be used for controlling the electric power that this computer power supply is provided.
Keyboard switching circuit 23, it can be connected with computer keyboard 30, and with the key combination signal that computer keyboard 30 is pressed, is sent in the keyboard signal processing unit 22 and compares.Keyboard switching circuit 23 also can be connected to computer keyboard joint 53 simultaneously, and simultaneously keying signal is sent to computing machine 50.
Keyboard signal processing unit 22, be that the key combination signal that keyboard switching circuit 23 is transmitted is deciphered and compared, if comparison result is correct electric power starting signal, then make power control unit 21 power-on, make the electric power of external power source 40 be sent to computer power supply 51, and the power supply of unlatching computing machine 50 is then proceeded the action of starting shooting.When the utility model is used for the AT computing machine, because it is to be provided with outside the power switch of power supply unit, so can be set on the utility model device in connecing under the situation of power supply unit switch open, the utility model device is used as power switch to be controlled, so the utility model computing machine applicatory, be not limited to the most general ATX computing machine at present, even if the AT computing machine also has it to be suitable for.
If be used for the ATX computing machine on the other hand, and this ATX computer main frame panel is provided with keyboard and wakes (wake on keyboard up, WOK) during function, also can further keying signal be encoded and be back to keyboard switching circuit 23 by keyboard signal processing unit 22, further be sent to the motherboard that computer keyboard joint 53 is connected again, the action of starting shooting.When if this computing machine there is no the WOK function, then keyboard signal processing unit 22 can be connected to set other computing machine wakeup unit 52 on the computing machine 50 by a voltage conversion circuit 24, for example (wake on ring WOR), and then wakes the action that computing machine is started shooting up to the tinkle of bells wakeup unit.
See also Fig. 3, this figure is the synoptic diagram of another embodiment of the utility model.Keyboard signal processing unit 22 can comprise a microprocessor 221, a keyboard decoding circuit 222 and a keyboard coding circuit 223.Wherein, microprocessor 221 is connected with power control unit 21, and keyboard decoding circuit 222 and keyboard coding circuit 223 then are connected between microprocessor 221 and the keyboard switching circuit 23.Keyboard signal processing unit 22 set microprocessors 221 further can be connected with a voltage conversion circuit 24, and voltage conversion circuit 24 then can be connected to a computing machine wakeup unit 52.If the comparison result of keyboard signal processing unit 22 is a start signal, then by voltage conversion circuit 24, can transmit on the computing machine wakeup unit 52 that a controlling signal to this voltage conversion circuit 24 connected, the computing machine 50 that institute is connect establish is started shooting.
Please consult Fig. 3 and Fig. 4 simultaneously, Fig. 4 is the synoptic diagram that the utility model embodiment device is connected with computing machine, keyboard.Power control unit 21 then can comprise a power supply circuit 211 and a power control circuit 212, and power supply circuit 211 is connected with power control circuit 212, and is connected with the set microprocessor 221 of keyboard signal processing unit 22 respectively.Power supply circuit 211 is connected with a power input socket 2101, can be connected with external power source 40 by a power lead 41.Power control circuit 212 then further is connected with a power output socket 2102, the electric power connection line 511 of former computing machine can be inserted in this.
In addition, 23 of keyboard switching circuits can cooperate the kind of establishing computer keyboard interface that connects, and can be provided with a PS/2 keyboard switching circuit 231 and a USB keyboard switching circuit 232 individually or simultaneously.If when PS/2 keyboard switching circuit 231 was provided with separately respectively with USB keyboard switching circuit 232, it was connected with keyboard coding circuit 223 respectively and with keyboard decoding circuit 222.If PS/2 keyboard switching circuit 231 is to be provided with simultaneously with USB keyboard switching circuit 232, can further be connected with USB commentaries on classics PS/2 keyboard circuit 233 in PS/2 keyboard switching circuit 231 and 233 of USB keyboard switching circuits.At this moment, PS/2 keyboard switching circuit 231 is connected with a PS/2 input adapter 2301, the keyboard connecting line 301 of PS/2 computer keyboard 31 can be inserted in this.PS/2 keyboard switching circuit 231 is connected with a PS/2 out splice going splice 2302 simultaneously, can plug with behind the PS/2 connecting line 302, connects to plug to the computing machine PS/2 keyboard connector 531 of computing machine 50.On the other hand, USB keyboard switching circuit 232 can be connected with a USB input adapter 2303, and the keyboard connecting line (not shown) of USB computer keyboard 32 is inserted in this.USB keyboard switching circuit 232 can be connected with a USB out splice going splice 2304 simultaneously, and after it can plug a USB connecting line (not shown), connection plugged to the computing machine USB keyboard connector 532 of computing machine 50.
In addition, the utility model power supply control device 20, no matter be to connect to establish PS/2 computer keyboard 31 or USB computer keyboard 32, the key combination that it is imported, be sent in the keyboard decoding circuit 222 by PS/2 keyboard switching circuit 231, then carrying out signal by microprocessor 221 after button input decipher compares, if comparison result is correct electric power starting key combination, then make power control circuit 212 power-on, and with the electric power transfer of external power source 40 power-on to the computer power supply 51, and and then carry out boot action.If comparison result is correct power-off key combination, then make power control circuit 212 close and open power supply, make computing machine 50 power-offs.All the other wake the action of computing machine and start up then with aforementioned.Therefore, by the utility model power supply control device, can be easily by the predetermined key combination of computer keyboard, reach the control computer electric power starting and close, and purpose such as start, shutdown, and this only single device is applicable to the computing machine or the keyboard type of various types, and is with a wide range of applications.
Above-mentioned cited embodiment is only in order to illustrate the utility model; be not in order to limit scope of the present utility model; anyly have the knack of this skill person; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model should partly be as the criterion with claim.
Claims (10)
1, a kind of computer power supply control device is characterized in that: comprising:
One power control unit, this power control unit can be connected with a computer power supply with an external power source, its unlatching or close the electric power that this computer power supply is provided;
One keyboard switching circuit, this keyboard switching circuit can be connected with a computer keyboard joint with a computer keyboard, and it transmits the keying signal that this computer keyboard is pressed; And
One keyboard signal processing unit, this keyboard signal processing unit is connected with this power control unit and this keyboard switching circuit respectively, this keyboard signal processing unit is comparison this keying signal that this keyboard switching circuit transmitted, and makes this power control unit open or close it according to comparison result connecing this computer power supply of establishing.
2, computer power supply control device according to claim 1, it is characterized in that: this keyboard signal processing unit comprises a microprocessor, a keyboard decoding circuit and a keyboard coding circuit, this microprocessor is connected with this power control unit, and this keyboard decoding circuit and this keyboard coding circuit then are connected between this microprocessor and this keyboard switching circuit.
3, computer power supply control device according to claim 1, it is characterized in that: this power control unit comprises a power supply circuit and a power control circuit, this power supply circuit is connected with this power control circuit, and is connected with this keyboard signal processing unit respectively.
4, computer power supply control device according to claim 3, it is characterized in that: this power supply circuit further is connected with a power input socket, and this power control circuit then further is connected with a power output socket.
5, computer power supply control device according to claim 3, it is characterized in that: this keyboard signal processing unit comprises a microprocessor, a keyboard decoding circuit and a keyboard coding circuit, this microprocessor is to be connected with this power control unit, and this keyboard decoding circuit and this keyboard coding circuit then are connected between this microprocessor and this keyboard switching circuit.
6, require 1 described computer power supply control device according to patent, it is characterized in that: this keyboard switching circuit comprises a PS/2 keyboard switching circuit, and this PS/2 keyboard switching circuit is equipped with a PS/2 input adapter and a PS/2 out splice going splice respectively.
7, require 6 described computer power supply control devices according to patent, it is characterized in that: this keyboard switching circuit further comprises a USB keyboard switching circuit, and this USB keyboard switching circuit is equipped with a USB input adapter and a USB out splice going splice respectively.
8, require 7 described computer power supply control devices according to patent, it is characterized in that: further being connected with a USB between this PS/2 keyboard switching circuit and this USB keyboard switching circuit changes the PS/2 keyboard circuit, and this PS/2 keyboard switching circuit also is connected with this keyboard signal processing unit respectively.
9, require 1 described computer power supply control device according to patent, it is characterized in that: this keyboard switching circuit comprises a USB keyboard switching circuit, and this USB keyboard switching circuit is equipped with a USB input adapter and a USB out splice going splice respectively.
10, require 1 described computer power supply control device according to patent, it is characterized in that: this keyboard signal processing unit further is connected with a voltage conversion circuit, if the comparison result of this keyboard signal processing unit is a start signal, then by this voltage conversion circuit, transmit a message to the computing machine wakeup unit that this voltage conversion circuit connected, make connect the action that this computing machine of establishing is started shooting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012127 CN2901406Y (en) | 2006-04-19 | 2006-04-19 | Computer power controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012127 CN2901406Y (en) | 2006-04-19 | 2006-04-19 | Computer power controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901406Y true CN2901406Y (en) | 2007-05-16 |
Family
ID=38085570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620012127 Expired - Fee Related CN2901406Y (en) | 2006-04-19 | 2006-04-19 | Computer power controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901406Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7930567B2 (en) | 2008-01-16 | 2011-04-19 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Keyboard |
| CN102681864A (en) * | 2011-03-16 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Computer |
-
2006
- 2006-04-19 CN CN 200620012127 patent/CN2901406Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7930567B2 (en) | 2008-01-16 | 2011-04-19 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Keyboard |
| CN101488047B (en) * | 2008-01-16 | 2013-02-13 | 鸿富锦精密工业（深圳）有限公司 | Keyboard with power on/off function |
| CN102681864A (en) * | 2011-03-16 | 2012-09-19 | 鸿富锦精密工业（深圳）有限公司 | Computer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |