CN100595717C - Electric power control structure of power supply apparatus - Google Patents
Electric power control structure of power supply apparatus Download PDFInfo
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- CN100595717C CN100595717C CN200610149607A CN200610149607A CN100595717C CN 100595717 C CN100595717 C CN 100595717C CN 200610149607 A CN200610149607 A CN 200610149607A CN 200610149607 A CN200610149607 A CN 200610149607A CN 100595717 C CN100595717 C CN 100595717C
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Abstract
The invention discloses an electric control framework for power supply, comprising a main electric power system which can convert the external electric power supply into the DC electric power and an electric power open-close unit which is in electric connection with the main electric power system and is driven by a DC electric power at the normal state, wherein the transmission line of the DC electric power which drives the electric device is provided with at least a diverter switch which is in electric connection with the electric power open-close unit, thereby, the electric device is not affected when a computer is shut down, the computer which is at the shut-down state can continuously output the DC power supply to supply the electric power needed by the external electric device; moreover, even the computer is at the shut-down state, the DC power supply supplied by the computer is also the maximum electric power (only provided with the main electric power system) or the total electric power (provided with the main electric power system and the standing electric power system which are connected with each other in parallel) supplied by the power supply.
Description
Technical field
The present invention relates to a kind of power supply unit, even relate in particular to the design that a kind of computing machine is in also exportable maximum direct current power supply external electronic under the off-mode.
Background technology
All be equipped with power supply unit in the general main frame, its main application is the stable dc power supply that alternating current is converted to different voltage levvls, respectively install to provide in the main frame (as motherboard, Winchester disk drive, CD-ROM drive ... etc.) required voltage use, and early stage main design, be at power supply unit under opening, use can supply of current for each element in the computer system.
And with the main flow design architecture of present ATX specification, one of its characteristics are except the direct supply (3.3V, 5V, 12V...) that is provided when the computer booting is provided, no matter can both provide main frame to activate the standing electric system of electric power when also having possessed computer booting, shutdown.
But the application of personal computer now, except need use the work of operating system and the operation of other Application Software Program, also comprise many external electronic that can isolated operation under the main frame off-mode, for example: loudspeaker, mini light night, utilize the CD-ROM drive panel to play-over music CD, utilize USB interface to be PDA, devices such as cell-phone charging, or observe the shown temperature of small-sized LCD screen that is assemblied on the casing, humidity, information such as time, or appreciate have an illumination effect dazzle beautiful casing etc., all this class a operation, all need not under the operating system activation state, get final product isolated operation, but the design of existing power supply supply, only can under the system boot state, can realize above-mentioned functions mostly, perhaps utilize the standing electric system of power supply unit, the output of the direct current power under the computer shutdown state is provided; Yet it is lower to be subject to the maximum wattage that standing electric system can provide, and voltage output group number is less, and when user's desire connected more powerful external electronic, the electric power that standing electric system can be supplied promptly can't meet user's needs.
Summary of the invention
Fundamental purpose of the present invention, provide a kind of power supply unit, its can be behind computer shutdown still the output DC source use to provide electronic installation to connect, even and be in off-mode, the direct supply that uses of the external electronic that the provides maximum power (only having main electric system) or the sum total electric power (main electric system and standing electric system) that still can provide for this power supply unit with parallel connection.
For realizing above-mentioned purpose of the present invention, the possible technique scheme that the present invention discloses comprises: a kind of electric power control architecture of power supply unit, include the main electric system that the external power source is converted to direct current power, and normality is electrically connected this main electric system and normality is subjected to the power-actuated electric power of one direct current to open and close the unit, it is output computer booting signal and computer shutdown signal that this electric power opens and closes the unit, and dispose at least one on the direct current power transmission line of this electronic installation and open and close the change-over switch of unit electric connection driving with this electric power, it is that closed circuit state makes direct current power transfer to this electronic installation that this change-over switch receives this computer booting signal, and it is that open-circuit condition interruption direct current power transfers to internal electronics that this change-over switch receives this computer shutdown signal, can not influenced by computer shutdown thus, under the computer shutdown state, still can continue the output DC source, supply external electronic required electric power, even and computing machine is in off-mode, maximum power or sum total electric power that the direct supply that external delivery point provided also can provide for power supply unit.
Description of drawings
Fig. 1 is the circuit block diagram of the preferred embodiment of the present invention
Fig. 2 is the circuit block diagram of second preferred embodiment of the invention
Fig. 3 is the circuit block diagram of third preferred embodiment of the invention
Fig. 4 is the circuit block diagram of four preferred embodiment of the invention
Embodiment
Relevant detailed description of the present invention and technology contents now are described as follows with regard to conjunction with figs.:
See also Fig. 1, it is the circuit block diagram of the preferred embodiment of the present invention, as shown in the figure: the present invention is a kind of electric power control architecture of power supply unit, be in order to connect external power source 10 and to be converted to of electronic installation 50 uses of the direct current power of multiple different voltage levvls for computer-internal, it includes: external power source 10 is converted to the main electric system 20 of direct current power, and normality is electrically connected this main electric system 20 and normality is subjected to the power-actuated electric power of one direct current to open and close unit 30, this electric power opens and closes unit 30 output computer booting signal and computer shutdown signals, wherein, this electric power opens and closes the direct current power transmission line 21 that unit 30 can be electrically connected this main electric system 20, also can in parallelly with one internal electronics 50 share direct current power transmission lines 21 (as shown in Figure 2), and dispose at least one on the direct current power transmission line 21 of this internal electronics 50 and open and close the change-over switch 40 of unit 30 electric connections driving with this electric power, it is that closed circuit state makes direct current power transfer to this internal electronics 50 that this change-over switch 40 receives this computer booting signal, and it is that open-circuit condition interruption direct current power transfers to internal electronics 50 that this change-over switch 40 receives this computer shutdown signal, wherein on the direct current power transmission line 21 of this internal electronics 50 also between change-over switch 40 and main electric system 20 parallel connection go out normality power circuit 22 to be connected external electronic 60, make these external electronic 60 normalities possess driving electric, can not influenced by computer shutdown thus, under the computer shutdown state, still can continue the output DC source by main electric system 20, supply external electronic 60 required electric powers, even and computing machine is in off-mode, 20 maximum powers that can provide of main electric system also are provided the direct supply that is provided.
See also Fig. 3, it is the circuit block diagram of another preferred embodiment of the present invention, as shown in the figure: the present invention can be applicable to possess on the power supply unit of standing electric system 70, this preferred embodiment includes normality is electrically connected main electric system 20 and the standing electric system 70 that external power source 10 is converted to direct current power, the direct current power of these standing electric system 70 outputs is to open and close unit 30 in order to driving electric, and this electric power opens and closes unit 30 output computer booting signal and computer shutdown signals, 20 of this main electric system are with these standing electric system 70 these external power sources 10 in parallel and be converted to direct current power, the direct current power of at least one main electric system 20 output this electric power that drives in parallel opens and closes unit 30, and on the direct current power transmission line 21 of each electric power keying unit 30 these internal electronics 50 of driving, be equipped with change-over switch 40, it is that closed circuit state makes direct current power transfer to this internal electronics 50 that this change-over switch 40 receives this computer booting signal, and it is that open-circuit condition interruption direct current power transfers to this internal electronics 50 that this change-over switch 40 receives this computer shutdown signal, wherein on the direct current power transmission line 21 of this internal electronics 50 between change-over switch 40 and main electric system 20 parallel connection go out normality power circuit 22 to be connected external electronic 60, make these external electronic 60 normalities possess driving electric; And another kind of feasible technical scheme is that parallel connection goes out normality power circuit 22 to connect external electronic 60 (seeing also Fig. 4) on the direct current power transmission line 21 of this this electric power keying unit 30 of main electric system 20 drivings in parallel, make these external electronic 60 normalities possess driving electric, under the computer shutdown state, the direct supply of the external electronic that the provides 60 summation electric power in parallel that is main electric system 20 with standing electric system 70.
Being the preferred embodiments of the present invention only below, is not to be used for limiting practical range of the present invention, promptly so long as the equivalence that the content of claims is done according to the present invention changes and revises, all should be technology category of the present invention.
Claims (2)
1. the electric power control architecture of a power supply unit in order to connect the external power source and to be converted to the electronic installation use of the direct current power of multiple different voltage levvls for computer-internal, is characterized in that described electric power control architecture includes:
The external power source is converted to the main electric system of direct current power;
Normality is electrically connected described main electric system and normality is subjected to the power-actuated electric power of one direct current to open and close the unit, and described electric power opens and closes unit output computer booting signal and computer shutdown signal;
At least one is configured on the direct current power transmission line that drives described electronic installation and with described electric power and opens and closes the change-over switch that the unit electrically connects, described change-over switch has the described computer booting signal of a reception makes direct current power transfer to the closed circuit state of described electronic installation, and one receive the open-circuit condition that described computer shutdown signal interruption direct current power transfers to described electronic installation, and
Normality is electrically connected the standing electric system that the external power source is converted to direct current power, and the direct current power of described standing electric system output is that the described electric power of driving in parallel with the direct current power of described main electric system opens and closes the unit,
On the direct current power transmission line of wherein said electronic installation between change-over switch and main electric system parallel connection go out the normality power circuit to be connected external electronic, make described external electronic normality possess driving electric.
2. according to the electric power control architecture of the described power supply unit of claim 1, it is characterized in that described electric power opens and closes the unit direct current power transmission line of sharing in parallel with internal electronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610149607A CN100595717C (en) | 2006-10-10 | 2006-10-10 | Electric power control structure of power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610149607A CN100595717C (en) | 2006-10-10 | 2006-10-10 | Electric power control structure of power supply apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101162402A CN101162402A (en) | 2008-04-16 |
| CN100595717C true CN100595717C (en) | 2010-03-24 |
Family
ID=39297334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610149607A Expired - Fee Related CN100595717C (en) | 2006-10-10 | 2006-10-10 | Electric power control structure of power supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100595717C (en) |
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2006
- 2006-10-10 CN CN200610149607A patent/CN100595717C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101162402A (en) | 2008-04-16 |
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