CN101387873A - Power switching device - Google Patents
Power switching device Download PDFInfo
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- CN101387873A CN101387873A CNA2007101544421A CN200710154442A CN101387873A CN 101387873 A CN101387873 A CN 101387873A CN A2007101544421 A CNA2007101544421 A CN A2007101544421A CN 200710154442 A CN200710154442 A CN 200710154442A CN 101387873 A CN101387873 A CN 101387873A
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Abstract
The invention discloses a power switch device, which is applied to an electronic system with power modules. The power switch device comprises a first switch for triggering a first signal, a second switch for triggering a second signal, a processing logical judgment module for receiving the first signal and the second signal for logic operation, and a control module electrically connected with the electronic system and the processing logical judgment module, wherein the control module is used to generate startup and shutdown signals corresponding to the electronic system to transmit to the logical judgment module, the power module can be controlled to be enabled on the base of the shutdown signal and according to the logical operation processing carried out by the first signal, and further the power module can be controlled to be turned off based on the startup signal and simultaneously according to the logic operation processing carried out by the first signal and the second signal.
Description
Technical field
The present invention relates to a kind of power switch device, more detailed it, relate to a kind of power switch device of opening or closing the power module of electronic system of controlling by the logic determines result.
Background technology
Each enterprise all can use the server that can provide services on the Internet or carry out data processing now, by this server to carry out high-effect or to need long playing work of treatment, therefore server need be in open state usually, but the power knob of server is to be convexly set on the casing front panel, the risk that has because of artificial careless false touch and then cause shutting down, and in the prior art for reducing this risk, the power knob function of then utilizing the software set mode of Basic Input or Output System (BIOS) (BIOS) to pin the server front panel, but utilize Basic Input or Output System (BIOS) to set when pinning the power knob function, also pin the function of other button on the server front panel simultaneously, if under specific demand, server must shut down when starting shooting again, then need earlier server to be restarted, the pinning that enters the power knob function of removing the server front panel under the Basic Input or Output System (BIOS) is again set, and after this server shutdown, again server is started shooting by pushing this power knob again, so numerous and diverse setting means then is not easy to user's operation.
And another kind of existing mode, then be to set up a cover body structure at server power supply button place, by this cover body structure to cover this power knob, thereby prevent artificial careless this power knob of false touch and cause shutdown, so, set up this cover body structure and increase cost beyond doubt, and before under specific demand, will pushing the server power supply button, must open lid earlier and push, pushing needs again on this cover cap after finishing, if not with on the cover cap, then because of colliding this lid and then causing damaging or easy false touch power knob, same, the operation of this cover body structure is concerning the user, and is also quite not convenient.
Therefore, how to provide a kind of power switch to shut down to prevent artificial careless false touch power knob, and this power switch is convenient to control, real is the industry problem demanding prompt solution.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, purpose of the present invention promptly is to provide a kind of power switch device that effectively prevents the people for false touch power knob powered-down.
Another object of the present invention is to provide a kind of power switch device that operating power is opened and closed of being convenient to.
For achieving the above object and other relevant purpose, the invention provides a kind of power switch device.This power switch device is applied to have on the electronic system of power module, and this power switch device comprises first switch, for triggering first signal; Second switch is for triggering secondary signal; Logic judgment module electrically connects with this first switch and second switch, carries out logical operation in order to receive this first signal and this secondary signal and handles; And control module, electrically connect with this electronic system and logic judgment module, to produce start and off signal that should electronic system be sent to this logic judgment module, and the logical operation that can be carried out based on off signal and according to this first signal handles control and opens this power module, can control based on starting-up signal and the logical operation processing of carrying out according to this first signal and secondary signal simultaneously again and close this power module.
In sum, power switch device provided by the present invention, mainly be by logic judgment module when electronic system is in off-mode, only first signal that is produced according to first switch carries out logic determines, and the result of logic determines is sent to control module and produces a control signal; And when electronic system is in open state, the starting-up signal that secondary signal and control module produced that first signal, the second switch that while is produced according to first switch produced carries out logic determines, and the result of logic determines is sent to control module and produces a control signal, control with power module electronic system.
Description of drawings
Fig. 1 is the embodiment calcspar of power switch device of the present invention;
Fig. 2 is the first embodiment synoptic diagram of power switch device of the present invention;
Fig. 3 is the second embodiment synoptic diagram of power switch device of the present invention; And.
But but the signal configures synoptic diagram that Fig. 4 is a program logical unit shown in Figure 3 when adopting complicated program logic device design.
The main element symbol description
1,1 ', 1 " power switch device
10 first switches
11 second switches
12 control modules
13,13 ', 13 " logic judgment module
130 or the door
131 with the door
132 programmable logical blocks
But 133 complicated program logic device
2 electronic systems
20 power modules
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.
See also Fig. 1, as shown in the figure, be the basic framework block schematic diagram of power switch device of the present invention.Power switch device 1 of the present invention is to be applied to have on the electronic system 2 of power module 20, and this power switch device 1 mainly is made of first switch 10, second switch 11, control module 12 and logic judgment module 13.
In present embodiment, this first switch 10 for example is first power knob, can be for triggering first signal.This second switch 11 for example is the second source button, can be for triggering secondary signal.This control module 12 for example is a South Bridge chip, electrically connect with this electronic system 2, first switch 10 and second switch 11, this control module 12 can be according to the start or the corresponding start or the off signal of producing of off-mode of this electronic system 2, and produce control signal according to the logic operation result of this logic judgment module 13, control power module 20 by this control signal and open or powered-downs.This logic judgment module 13 is a logical circuit for example, is to electrically connect with this first switch 10, this second switch 11 and this control module 12, in order to receive the processing that this first signal, this secondary signal and start or off signal carry out logical operation.
When this electronic system 2 was in off-mode, this logic judgment module 13 was only carried out logic determines according to first signal that this first switch 10 is produced, and the result of logic determines is sent to this control module 12; When if this electronic system 2 is in open state, the starting-up signal that first signal that 13 of this logic judgment module are produced according to this first switch 10, the secondary signal that this second switch 11 is produced and this control module 12 are produced carries out logic determines, and the result of logic determines is sent to this control module 12.Make this control module 12 produce corresponding control signal thus, open or close the power supply supply of this power module 20 with control according to the result of this logic determines.
See also Fig. 2, as shown in the figure, be the first embodiment synoptic diagram of power switch device of the present invention, wherein except that logic judgment module 13 ', the connection relationship between each member is identical with Fig. 1, so do not give unnecessary details in addition at this.The logic judgment module 13 ' of present embodiment is a logical circuit, this logical circuit by or door (OR gate) 130 and formed with the logic gate of door (AND gate) 131, control this unlatching or close the power module 20 of electronic system 2 by the logic operation result between this logic judgment module 13 ' and first switch 10 and the second switch 11.
Particularly, the power module 20 of present embodiment opens or closes that power supply handles all is to carry out when receiving the low level signal (being that control signal is a signal 0) that this control module 12 transmitted, that is, this power module 20 whether power be with the low level signal as trigger pip, and this control module 12 accurate position signal (i.e. start or off signal) that can return a correspondence according to the start or the off-mode of this electronic system 2.For example, this control module 12 is when being in open state with electronic system 2, output high levle signal (being that starting-up signal is a signal 1) and passback give should and door 131, with as input signal; When this electronic system 2 is in off-mode, output low level signal (being that off signal is a signal 0) and passback give should and door 131, with as input signal.
When this electronic system 2 is in off-mode if user's desire is used electronic system 2, by last explanation as can be known, when this electronic system is under the off-mode, this control module 12 is to transmit low level signal (being that off signal is a signal 0) to being somebody's turn to do and door 131, therefore, for making this electronic system 20 starts, then get earlier and transmit low level signals (being that control signal is a signal 0) to power module 20 by this control module 12, start shooting to trigger this power module 20.Electronic system 2 start modes are, the user only need trigger this first switch 10, for example push and produce first signal as the power knob, with regard to present embodiment, this first signal is the low level signal, it is signal 0, generally speaking, this first switch 10 is serial connection one drop-down (pull low) resistance, generally (when promptly this first switch 10 is not triggered), because this first switch 10 is also unearthed, and have the high levle signal output and with this high levle signal input to should or door 130, so and can't trigger this control module 12 and control power modules 20 unlatching or powered-downs; Otherwise, when this first switch 10 is triggered (as being pressed as the button), these first switch, 10 direct ground connection, and have the output of low level signal and this low level signal is inputed to this or door 130, whether exportable low level signal is opened or powered-downs to trigger this control module 12 control power modules 20 as for this or door 130, still needs and decides according to this electronic system 2 present states of living in.
Be under the off-mode in electronic system 2, should receive the low level signal (being that off signal is a signal 0) that control module 12 is transmitted with the input end of door 131, by this characteristic with door 131, should and 131 at door output low level signal and with this low level signal input to should or 130, therefore, when this first switch 10 is triggered, 10 on this first switch output low level signal and with this low level signal input to should or 130, should or door 130 two input ends all receive the low level signal, so characteristic by this or door 130, this or 130 output of door low level signals also input to this control module 12 with this low level signal, and make this control module 12 trigger this power module 20 according to this low level signal, so that these power module 20 power-on obtain the power supply back in this electronic system 2 and switch to open state by off-mode.At this moment, this control module 12 returns a high levle signal (being that starting-up signal is a signal 1) to this input end with door 131 according to the open state of this electronic system 2.Handle as can be known by aforementioned logical signal, electronic system 2 after the start, under the situation that this first switch 10 or this second switch 11 all are not triggered, electronic system 2 continues output high levle signal by this or door 130 and the logic judgment module of being formed with door 131 13 ', so all can obtain the power supply of this power module 20 and be in open state.
On the other hand, if when the user desires to close electronic system 2 under this open state, represent that then this control module 12 need receive the low level signal that this logic judgment module 13 ' transmits, to trigger this power module 20 powered-downs.At this moment, the user need push first switch 10 and second switch 11 simultaneously, so that first and second switch 10,11 all produce the low level signal and be sent to respectively with the door 131 and or the door 130, and then make this logic judgment module 13 ' output low level signal and be sent to this control module 12, make this control module 12 produce the control signal of low level signal thus, to trigger these power module 20 powered-downs and to make this electronic system 2 be in off-mode, and this control module 12 is in off-mode according to this electronic system 2 and returns a low level signal (being off signal) to this logic judgment module 13 ', with the reference logic as next switching on and shutting down.
Therefore, hence one can see that, and power switch device of the present invention is to come powered-down according to the running status of two power switch members, is false touch power knob powered-down so effectively prevent the people.
See also Fig. 3, as shown in the figure, be the second embodiment synoptic diagram of power switch device of the present invention.Wherein except that logic judgment module 13 ", the connection relationship between each member is identical with Fig. 1 and Fig. 2, so do not give unnecessary details in addition at this.The logic judgment module 13 of present embodiment " but be to form with program logical unit 132, but but should program logical unit 132 be for example complicated program logic device (Complex Programmable Logic Device; CPLD) or programmable logic gate array (Field-Programmable Gate Array; FPGA) forming, in other words, is to control this power module 20 in the programmable mode, for example, if but but the program logical unit 132 of present embodiment is during with complicated program logic device design, its signal name defines and disposes as shown in Figure 4, and its program is write content and is:
module?PWRBTN(
SYS_SWITCH1_N，
SYS_SWITCH2_N，
SB_S4_N，
PWR_BTN_N
)；
input?SYS_SWITCH1_N；
input?SYS_SWITCH2_N；
input?SB_S4_N；
output?PWR_BTN_N；
reg?PWR_BTN_N；
assign?PWR_BTN_N＝SYS_SWITCH1_N?|?(SYS_SWITCH2_N?&SB_S4_N)；
endmodule
Above-mentioned symbol " | " is presentation logic OR, and symbol “ ﹠amp; " be presentation logic AND, SYS_SWITCH1_N be to should first first signal that produces of switch 10, SYS_SWITCH2_N is to first signal that should first switch 10 produces, SB_S4_N is start or the off signal to should control module 12 producing.This design concept is then as content as described in above-mentioned Fig. 2, so do not give unnecessary details for literary composition at this.
In sum, power switch device provided by the present invention, mainly be by logic judgment module when electronic system is in off-mode, only first signal that is produced according to first switch carries out logic determines, and the result of logic determines is sent to control module and produces a control signal, make this power module powered-down, so that this electronic system switches to open state by off-mode, and with the open state generation starting-up signal of this control module according to this electronic system, and be sent in this logic judgment module, with foundation, open or powered-down thereby control this power module in view of the above for this control module as the subsequent logic computing; And when electronic system is in open state, the starting-up signal that secondary signal and control module produced that first signal, the second switch that is produced according to first switch produced carries out logic determines, and the result of logic determines is sent to control module to produce a control signal, and this control signal is sent to the power module 20 of electronic system 2, the logic determines result reaches outside the purpose of start and shutdown electronic system thus, more can effectively prevent artificial careless false touch power knob and the power switch device of powered-down.
The above embodiments only are illustrative characteristics of the present invention and effect thereof, but not are used to limit the scope of essence technology contents of the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention should be foundation with the scope of claims.
Claims (7)
1. a power switch device is applied to have the electronic system of power module, and this power switch device comprises:
First switch is for triggering first signal;
Second switch is for triggering secondary signal;
Logic judgment module electrically connects with this first switch and second switch, carries out logical operation and handles in order to receive this first signal, this secondary signal; And
Control module, electrically connect with this electronic system and logic judgment module, to produce start and off signal that should electronic system be sent to this logic judgment module, and the logical operation that can be carried out based on off signal and according to this first signal handles control and opens this power module, can control based on starting-up signal and the logical operation processing of carrying out according to this first signal and secondary signal simultaneously again and close this power module.
2. power switch device according to claim 1, wherein, this control module is a South Bridge chip.
3. power switch device according to claim 1, wherein, this logic judgment module is a logical circuit.
4. power switch device according to claim 3, wherein, this logical circuit by logic gate or the door and logic gate with formed, should or two input ends of door respectively with this first switch and this with output terminal be connected, and should be connected in order to the signal wire that transmits this starting-up signal and off signal with this second switch and control module respectively with two input ends of door, should or the door output terminal be connected with this control module, be sent to this control module with result with logical operation, open or close this power module and be control signal with the low level signal as triggering, and with high levle signal and low level signal respectively as starting-up signal and off signal that this control module was transmitted.
5. power switch device according to claim 1, wherein, this logic judgment module is the programmable logical block.
6. power switch device according to claim 5, wherein, but this programmable logical block is complicated program logic device or programmable logic gate array.
7. power switch device according to claim 5, wherein, but this programmable logical block is complicated program logic device, but this complicated program logic device is for receiving this first signal, secondary signal and should starting shooting and off signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101544421A CN101387873B (en) | 2007-09-12 | 2007-09-12 | Power switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101544421A CN101387873B (en) | 2007-09-12 | 2007-09-12 | Power switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101387873A true CN101387873A (en) | 2009-03-18 |
| CN101387873B CN101387873B (en) | 2012-01-04 |
Family
ID=40477328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101544421A Expired - Fee Related CN101387873B (en) | 2007-09-12 | 2007-09-12 | Power switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101387873B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053687B (en) * | 2009-11-09 | 2012-07-04 | 和硕联合科技股份有限公司 | Electronic device and power supply control module thereof |
| CN103457586A (en) * | 2013-08-08 | 2013-12-18 | 南京熊猫电子股份有限公司 | Method for achieving electronic device shutdown zero power consumption |
| CN103529725A (en) * | 2013-07-29 | 2014-01-22 | 南京熊猫电子股份有限公司 | Startup and shutdown circuit capable of realizing zero-power consumption shutdown |
| US8935545B2 (en) | 2011-05-26 | 2015-01-13 | Asustek Computer Inc. | Power generator in a computer apparatus generating a power stable signal according to a received power pulse signal |
| CN104991480A (en) * | 2015-08-03 | 2015-10-21 | 珠海格力电器股份有限公司 | Power supply control method, device and system |
| CN106100627A (en) * | 2016-07-13 | 2016-11-09 | 中国电子科技集团公司第三十八研究所 | A kind of the switching on and shutting down of impulse response can split control circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163812C (en) * | 2000-12-06 | 2004-08-25 | 英业达股份有限公司 | System with power supply switch, pause button and panel switch possessing changeable function |
| JP2004350058A (en) * | 2003-05-22 | 2004-12-09 | Handotai Rikougaku Kenkyu Center:Kk | Power source switching circuit |
| JP2005278272A (en) * | 2004-03-24 | 2005-10-06 | Seiko Epson Corp | Power supply circuit and control method of power supply circuit |
-
2007
- 2007-09-12 CN CN2007101544421A patent/CN101387873B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053687B (en) * | 2009-11-09 | 2012-07-04 | 和硕联合科技股份有限公司 | Electronic device and power supply control module thereof |
| US8935545B2 (en) | 2011-05-26 | 2015-01-13 | Asustek Computer Inc. | Power generator in a computer apparatus generating a power stable signal according to a received power pulse signal |
| CN103529725A (en) * | 2013-07-29 | 2014-01-22 | 南京熊猫电子股份有限公司 | Startup and shutdown circuit capable of realizing zero-power consumption shutdown |
| CN103457586A (en) * | 2013-08-08 | 2013-12-18 | 南京熊猫电子股份有限公司 | Method for achieving electronic device shutdown zero power consumption |
| CN103457586B (en) * | 2013-08-08 | 2016-05-25 | 南京熊猫电子股份有限公司 | A kind of electronic equipment closedown zero power consumption implementation method |
| CN104991480A (en) * | 2015-08-03 | 2015-10-21 | 珠海格力电器股份有限公司 | Power supply control method, device and system |
| CN104991480B (en) * | 2015-08-03 | 2017-08-01 | 珠海格力电器股份有限公司 | Power control method, apparatus and system |
| CN106100627A (en) * | 2016-07-13 | 2016-11-09 | 中国电子科技集团公司第三十八研究所 | A kind of the switching on and shutting down of impulse response can split control circuit |
| CN106100627B (en) * | 2016-07-13 | 2023-02-03 | 中国电子科技集团公司第三十八研究所 | But impulse response's switching on and shutting down branch puts control circuit |
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| Publication number | Publication date |
|---|---|
| CN101387873B (en) | 2012-01-04 |
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