CN201166827Y - Computer power supply - Google Patents
Computer power supply Download PDFInfo
- Publication number
- CN201166827Y CN201166827Y CNU2008200917171U CN200820091717U CN201166827Y CN 201166827 Y CN201166827 Y CN 201166827Y CN U2008200917171 U CNU2008200917171 U CN U2008200917171U CN 200820091717 U CN200820091717 U CN 200820091717U CN 201166827 Y CN201166827 Y CN 201166827Y
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- CN
- China
- Prior art keywords
- trigger circuit
- power
- chip microcomputer
- keyboard
- computer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a computer supply which comprises a power-on circuit with a power-on trigger circuit, a power-off circuit with a power-off trigger circuit and a DC supply of a reboot circuit with a reboot trigger circuit, and is characterized in that a single-chip is arranged in the DC supply, and is connected with a PS/2 keyboard and a PS/2 port which is in the back of the host computer via a PS/2 switch port and further connected with a POWER pin base of the computer motherboard. Compared with the prior art, the computer supply has the advantages that the functions of controlling over the power-on, the power-off and the reboot of the computer supply by the keyboard are fulfilled without changing the keyboard structure and the BIOS and the jumper on the motherboard, and the computer supply is compatible with all the PS/2 keyboards. Particularly, the control signal of the keyboard can be received even if the computer is in a halted state, thereby fulfilling the functions of controlling over the power-on, the power-off and the reboot of the computer supply by the keyboard under any condition, moreover, the operation is convenient and the normal communication between the keyboard and the host computer is not influenced.
Description
Technical field
The utility model relates to the micromonitor system of using the patchboard wired connection, especially relates to a kind of computer power.
Background technology
The existing power supply that is installed in the computer must be revised the keyboard hardware structure and could use keyboard to control power switch indirectly and restart with the bios program of revising mainboard, and the mainboard BIOS that has only only a few has this function, also must revise the BIOS and the wire jumper on the mainboard of mainboard and could realize.Shang Weijian has the computer power of the function that can directly use the Keyboard Control power switch under the situation that can comprise computer crash and restart.
Summary of the invention
Technical problem to be solved in the utility model is the defective that remedies prior art, proposes a kind of novel computer power.
Technical matters of the present utility model is solved like this:
This computer power, comprise be provided with the start trigger circuit boot-strap circuit, be provided with the shutdown trigger circuit shutdown circuit, be provided with the direct supply of restarting circuit of restarting trigger circuit.
The characteristics of this computer power are:
In described direct supply, be provided with a single-chip microcomputer, described single-chip microcomputer is connected with the PS/2 interface of PS/2 keyboard and main frame back respectively by the PS/2 converting interface, also be connected with the POWER needle stand of computer main board, connect described single-chip microcomputer by the PS/2 keyboard by the PS/2 converting interface, with the start of the control power supply that sends, shut down and the signal of restarting directly inputs to the POWER needle stand of computer main board.
Technical matters of the present utility model is further to solve like this:
Described single-chip microcomputer is provided with the starting-up signal receiving element that is connected with described start trigger circuit, the start control signal that reception is sent by a Macintosh specific on the keyboard triggers the work of start trigger circuit, produce a corresponding signal and give the POWER needle stand of mainboard, by single-chip microcomputer and start trigger circuit control described direct supply get electric, thereby realize start.
Described single-chip microcomputer is provided with the off signal receiving element that is connected with described shutdown trigger circuit, the pass machine control signal that reception is sent by another Macintosh specific on the keyboard triggers the work of shutdown trigger circuit, produce a corresponding signal and give the POWER needle stand of mainboard, control described direct supply outage by single-chip microcomputer and shutdown trigger circuit, thereby realize shutdown.
Described single-chip microcomputer also is provided with described restarts the Restart Signal receiving element that trigger circuit are connected, reception triggers the trigger circuit work of restarting by the control signal of restarting that another specific on keyboard Macintosh sends, produce two groups of signals and give the POWER needle stand of mainboard, by single-chip microcomputer with restart trigger circuit and control described direct supply instant cut-off, thereby realize restarting.
Described single-chip microcomputer is a 8-bit single-chip microprocessor, and its chip internal comprises arithmetic and control unit, storer, interruptable controller, timer.Characteristics with input and output, time control and scanning, frequency control and the triggering function of program and data storage and computing, data and low-work voltage, fast operation.
The beneficial effect that the utility model is compared with prior art had is:
The utility model is connected by the PS/2 converting interface keyboard with direct supply, power supply is still powered to keyboard under the shut down of computer state, and keyboard can be communicated by letter with power supply.And at the inner reception that includes start, shut down, restart and the single-chip microcomputer of transtation mission circuit of being provided with of power supply, specific Macintosh is set on keyboard, the control that when power supply is received the signal of specific Macintosh, will start shooting, shut down, restart the power supply implementation.Therefore, needn't revise the structure of keyboard and the BIOS on the mainboard and wire jumper and just can realize Keyboard Control power switch machine and the function of restarting, and compatible all PS/2 keyboards.Particularly under the computer crash state, can also receive the control signal of keyboard, realize the switch of Keyboard Control computer power under any condition and restart function, also have easy to operate, as not influence the proper communication of keyboard and main frame advantage.
Description of drawings
Accompanying drawing is the composition block scheme of embodiment of the present utility model.
Embodiment
Below the contrast accompanying drawing and in conjunction with embodiment the utility model is described in further detail.
A kind of as shown in drawings computer power, comprise be provided with the start trigger circuit boot-strap circuit, be provided with the shutdown trigger circuit shutdown circuit, be provided with the direct supply of restarting circuit 1 of restarting trigger circuit.
Be provided with a single-chip microcomputer 2 in direct supply 1, single-chip microcomputer 2 is that model is the 8-bit single-chip microprocessor of EM78P451, and its chip internal comprises arithmetic and control unit, storer, interruptable controller, timer.
Single-chip microcomputer 2 is connected with the PS/2 interface 6 of PS/2 keyboard 4 and main frame back respectively by PS/2 converting interface 5, also be connected with the POWER needle stand 3 of computer main board, the signal that is connected control power supply start that single-chip microcomputers 2 will send, shuts down and restart by PS/2 converting interface 5 by PS/2 keyboard 4 directly inputs to the POWER needle stand 3 of computer main board.
Single-chip microcomputer 2 is provided with the starting-up signal receiving element that is connected with the trigger circuit of starting shooting, the start control signal that reception is sent by a Macintosh specific on the keyboard 4, the I/O unit of microprocessor is exported the high-low level pulse of one group of special time, the work of control start trigger circuit, produce a corresponding signal and give the POWER needle stand 3 of mainboard, realize start.
Single-chip microcomputer 2 is provided with the off signal receiving element that is connected with the trigger circuit that shut down, the pass machine control signal that reception is sent by another Macintosh specific on the keyboard 4, the I/O unit of microprocessor is exported the high-low level pulse of one group of special time, the work of control shutdown trigger circuit, produce a corresponding signal and give the POWER needle stand 3 of mainboard, realize shutdown.
Single-chip microcomputer 2 also is provided with and restarts the Restart Signal receiving element that trigger circuit are connected, reception is by the control signal of restarting of another specific on the keyboard 4 Macintosh transmission, the I/O unit of microprocessor is exported the high-low level pulse signal of two groups of special times, trigger circuit work is restarted in control, produce two groups of signals and give the POWER needle stand 3 of mainboard, start shooting again after making computer power control shutdown, realize restarting.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (5)
1. computer power comprises the boot-strap circuit, the shutdown circuit that is provided with the shutdown trigger circuit that are provided with the start trigger circuit, is provided with the direct supply of restarting circuit of restarting trigger circuit, it is characterized in that:
Be provided with a single-chip microcomputer in described direct supply, described single-chip microcomputer is connected with the PS/2 interface of PS/2 keyboard and main frame back respectively by the PS/2 converting interface, also is connected with the POWER needle stand of computer main board.
2. according to the described computer power of claim 1, it is characterized in that:
Described single-chip microcomputer is provided with the starting-up signal receiving element that is connected with described start trigger circuit, the start control signal that reception is sent by a Macintosh specific on the keyboard triggers the work of start trigger circuit, produce a corresponding signal and give the POWER needle stand of mainboard, control described direct supply by single-chip microcomputer with the start trigger circuit and get.
3. according to claim 1 or 2 described computer powers, it is characterized in that:
Described single-chip microcomputer is provided with the off signal receiving element that is connected with described shutdown trigger circuit, the pass machine control signal that reception is sent by another Macintosh specific on the keyboard triggers the work of shutdown trigger circuit, produce a corresponding signal and give the POWER needle stand of mainboard, control described direct supply outage by single-chip microcomputer and shutdown trigger circuit.
4. according to the described computer power of claim 3, it is characterized in that:
Described single-chip microcomputer also is provided with described restarts the Restart Signal receiving element that trigger circuit are connected, reception triggers the trigger circuit work of restarting by the control signal of restarting that another specific on keyboard Macintosh sends, produce two groups of signals and give the POWER needle stand of mainboard, by single-chip microcomputer with restart trigger circuit and control described direct supply instant cut-off.
5. according to the described computer power of claim 4, it is characterized in that:
Described single-chip microcomputer is a 8-bit single-chip microprocessor, and its chip internal comprises arithmetic and control unit, storer, interruptable controller, timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917171U CN201166827Y (en) | 2008-01-16 | 2008-01-16 | Computer power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917171U CN201166827Y (en) | 2008-01-16 | 2008-01-16 | Computer power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166827Y true CN201166827Y (en) | 2008-12-17 |
Family
ID=40192218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200917171U Expired - Fee Related CN201166827Y (en) | 2008-01-16 | 2008-01-16 | Computer power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166827Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820485A (en) * | 2015-05-01 | 2015-08-05 | 柳州市瑞日信息科技有限公司 | Computer startup circuit |
| CN107464578A (en) * | 2016-06-02 | 2017-12-12 | 深圳市祈飞科技有限公司 | A kind of hard disk automatic heating control system and method |
-
2008
- 2008-01-16 CN CNU2008200917171U patent/CN201166827Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820485A (en) * | 2015-05-01 | 2015-08-05 | 柳州市瑞日信息科技有限公司 | Computer startup circuit |
| CN107464578A (en) * | 2016-06-02 | 2017-12-12 | 深圳市祈飞科技有限公司 | A kind of hard disk automatic heating control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081217 Termination date: 20110116 |