CN103457586A - Method for achieving electronic device shutdown zero power consumption - Google Patents
Method for achieving electronic device shutdown zero power consumption Download PDFInfo
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- CN103457586A CN103457586A CN2013103423484A CN201310342348A CN103457586A CN 103457586 A CN103457586 A CN 103457586A CN 2013103423484 A CN2013103423484 A CN 2013103423484A CN 201310342348 A CN201310342348 A CN 201310342348A CN 103457586 A CN103457586 A CN 103457586A
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Abstract
The invention provides a method for achieving electronic device shutdown zero power consumption. The method is achieved through a startup and shutdown circuit. A startup and shutdown circuit unit of the circuit generates a low-level trigger signal, after the low-level trigger signal passes through a time-delay circuit and a phase inverter, an or gate outputs an enable signal of an analog switch, and the analog switch is shut down, so that a startup and shutdown management chip obtains power and outputs a system startup signal under driving of the low-level trigger signal. The system startup signal serves as an input signal of the or gate, and the or gate is kept to output the enable signal of the analog switch, so that working of the startup and shutdown circuit is kept normal. Under the normal working state, the startup and shutdown circuit unit generates the low-level trigger signal which drives the startup and shutdown management chip to output a low-level system shutdown signal, two-way input of the or gate is low in level within the time determined by the time-delay circuit, so that the analog switch is cut off due to the failure of the enable signal, then,a working power supply of the startup and shutdown management chip is blocked, and the shutdown zero power consumption is achieved.
Description
Technical field
The invention belongs to electronic technology field, specifically refer to a kind of electronic equipment closedown zero power consumption implementation method.
Background technology
At present, the on/off circuit method for managing power supply adopts normal supply power mode usually.Owing to after electronic equipment shutdown commonly used, still needing the on/off circuit normal operation, there is certain shutdown power consumption in equipment afterwards in shutdown.Desktop computer commonly used, all-in-one, industrial computer and embedded board apparatus such as computer on/off circuit power source method are as follows: adopt a kind of not with enabling the voltage transitions chip of controlling, input voltage comes from the 5V-SB that passes through voltage transitions, output voltage 3.3V-SB is as the power supply of on/off circuit, and on/off circuit is always in running order.
How to realize that the closedown zero power consumption of equipment, with improving product performance and energy-saving and emission-reduction, seems particularly important for desktop computer commonly used, all-in-one, industrial computer and embedded board apparatus such as computer.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, is directed to the rear on/off circuit of shutdown still in the powder consumption of electronic equipment problem of work, provides a kind of electronic equipment closedown zero power consumption implementation method.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of electronic equipment closedown zero power consumption implementation method, described method is by a kind of on/off circuit realization, and described on/off circuit comprises switching circuit unit, delay circuit, switching on and shutting down managing chip, analog switch or door and inverter;
The output of described switching circuit unit is connected with the first input end of switching on and shutting down managing chip with the input of delay circuit respectively;
The output of described delay circuit is connected with the input of inverter;
First input end described or door is connected with inverter output, or the second input of door is connected with the output of described switching on and shutting down managing chip;
Output described or door connects the Enable Pin of described analog switch;
Described analog switched power supply input is connected with outside direct voltage source, and analog switch the first output is connected with the second input of switching on and shutting down managing chip, the system works voltage of analog switch the second output output electronic equipment;
Described switching circuit unit triggers signal is low level;
During the Enable Pin input high level of described analog switch, the power input of analog switch respectively with the first output, the second output conducting; During the Enable Pin input low level of analog switch, the power input of analog switch and output turn-off;
Described switching on and shutting down managing chip, when its second input input service voltage, its first input end input triggers low level, to change the output level of switching on and shutting down managing chip, specific as follows:
If current switching on and shutting down managing chip output high level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is low level;
If current switching on and shutting down managing chip output low level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is high level.
The time delay of described delay circuit is set as 1 second.
The power input of described analog switch refers to the first output, the second output conducting respectively: the power input input voltage of analog switch is respectively after voltage transitions, respectively from the first output, the second output output.
The invention has the beneficial effects as follows: the present invention proposes a kind of electronic equipment closedown zero power consumption implementation method, described method realizes by a kind of on/off circuit, the switching circuit unit of described circuit produces the low level triggering signal, after delay circuit and inverter, make or the enable signal of door output analog switch, closed analog switch, thus the switching on and shutting down managing chip is powered, the switching on and shutting down managing chip under the driving of low level triggering signal, the output system starting-up signal; The system boot signal as or the input signal of door, keep or the enable signal of door output analog switch, thereby make on/off circuit keep normal operation; Under normal operating conditions, the switching circuit unit produces the low level triggering signal, driving switch machine managing chip output low level system closedown signal, the time delay definite at delay circuit is in the time, or the input of the two-way of door is all low level, cause analog switch to disconnect because enable signal loses efficacy, and then blocked the working power of switching on and shutting down managing chips, realize closedown zero power consumption.
The accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of electronic equipment closedown zero power consumption implementation method that the present invention is proposed is elaborated:
Usually the embedded-type electric pipeline equipment has independent on/off circuit, and this circuit is the operation for facility switching machine button according to the user, correspondingly produces the Circuits System that system switching machine signal is sent into EMBEDDED AVIONICS, to realize device power-up and shutdown.The on/off circuit of common EMBEDDED AVIONICS adopts normal supply power mode, and whole Circuits System only has on/off circuit still in normal operation, so there is certain shutdown power consumption after shutdown.
The present invention, after carrying out power-off operation, cuts off the operating voltage of switching on and shutting down managing chip, makes the Circuits System of on/off circuit and electronic equipment in the state of quitting work, and realizes closedown zero power consumption.
The hardware implementation procedure:
Circuit of the present invention comprises switching circuit unit, delay circuit, switching on and shutting down managing chip, analog switch or door and inverter.
The switching on and shutting down managing chip, for generation of system switching machine signal, after chip obtains operating voltage, can correspondingly produce system boot signal and systems off signal according to the triggering signal of input, can adopt common I/O chip NCT6106D.The input of switching on and shutting down managing chip is connected with the switching on and shutting down button triggering signal in the EMBEDDED AVIONICS Circuits System, output with or a road input of door chip be connected and be sent to the power circuit in the EMBEDDED AVIONICS Circuits System simultaneously.
Analog switch is for the operating voltage break-make of control switch machine managing chip, and it comprises a road input, multichannel output and enables control end.The input of analog switch derives from the power circuit in the EMBEDDED AVIONICS Circuits System, the first output is connected with the feeder ear of switching on and shutting down managing chip, the second output is connected with electronic apparatus system, the second output provides the operating voltage of electronic apparatus system, enable control end with or the door chip output be connected.When or after the door chip produces effectively output, analog switch will be in open mode, the switching on and shutting down managing chip obtains operating voltage, on/off circuit is started working.
Or the door chip is for the break-make of control simulation switch, this chip has two-way input and a road to export, as 74LS32 commonly used.The triggering signal that switching circuit unit in the EMBEDDED AVIONICS Circuits System produces is sent into through time delay, after anti-phase or a road input of door chip, the system switching machine signal that the switching on and shutting down managing chip produces is sent into or another road input of door chip, or the output of door chip is connected with the control end of analog switch.When or a door chip obtain a road or two-way effectively after input, deliver to the control end of analog switch by producing effectively output, thereby open analog switch.
Inverter, for the level of transition trigger signal, can adopt NPN triode MMBT9014 commonly used to carry out anti-phase.The input of inverter derives from the switching on and shutting down button triggering signal in the EMBEDDED AVIONICS Circuits System, output with or a road input of door chip be connected.
Delay circuit is for the triggering signal of switch circuit unit is carried out to time delay, and during start, the switching circuit unit produces the longer low level triggering signal of time delay time of setting than delay circuit; During shutdown, the switching circuit unit produces the shorter low level triggering signal of time delay time of setting than delay circuit.
Specific implementation of the present invention as shown in Figure 1, the on/off circuit of a kind of electronic equipment closedown zero power consumption of the present invention implementation method, described circuit comprises switching circuit unit, delay circuit, switching on and shutting down managing chip, analog switch or door and inverter;
The output of described switching circuit unit is connected with the first input end of switching on and shutting down managing chip with the input of delay circuit respectively;
The output of described delay circuit is connected with the input of inverter;
First input end described or door is connected with inverter output, or the second input of door is connected with the output of described switching on and shutting down managing chip;
Output described or door connects the Enable Pin of described analog switch;
Described analog switched power supply input is connected with outside direct voltage source, and analog switch the first output is connected with the second input of switching on and shutting down managing chip, analog switch the second output output system operating voltage;
Described switching circuit unit triggers signal is low level;
During the Enable Pin input high level of described analog switch, the power input of analog switch respectively with the first output, the second output conducting; During the Enable Pin input low level of analog switch, the power input of analog switch and output turn-off;
Described switching on and shutting down managing chip, when its second input input service voltage, its first input end input triggers low level, to change the output level of switching on and shutting down managing chip, specific as follows:
If current switching on and shutting down managing chip output high level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is low level;
If current switching on and shutting down managing chip output low level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is high level.
The time delay of described delay circuit is specified in advance.
The power input of described analog switch refers to the first output, the second output conducting respectively: the power input input voltage of analog switch is respectively after voltage transitions, respectively from the first output, the second output output.
Be on/off circuit of the present invention as shown in Figure 1, the operation principle of this circuit specifically describes as follows:
Steps A, after the user presses the switching on and shutting down button, the switching circuit unit produces the triggering signal low level and sends into on/off circuit, and this effective triggering signal is sent into through time delay, after anti-phase or the first input end of door chip, or effectively input of door chip acquisition, produce high level and effectively export.
Step B, due to the control end of analog switch with or the output of door chip be connected, the control end of analog switch is after obtaining the high level enable signal, in closure state, the switching on and shutting down managing chip obtains operating voltage, on/off circuit is started working; Simultaneously, the Circuits System of EMBEDDED AVIONICS also obtains system works voltage.
Step C, because the user presses the time delay that switching on and shutting down button duration surpasses delay circuit, the triggering signal low level of switching circuit unit output remains valid, make the first input end of switching on and shutting down managing chip obtain effective triggering signal, and then the output of switching on and shutting down managing chip produces the high level systems starting-up signal, send into or the second input of door chip and the Circuits System of EMBEDDED AVIONICS device power-up.
Step D, after trip switch machine button, the switching circuit unit is output as high-impedance state, during process, delay, or a door chip first input end is disarmed state; But now, due to the system boot signal be the high level useful signal send into or the door chip the second input, so or the door chip output be still the high level useful signal, analog switch is in closure state, the operating voltage of switching on and shutting down managing chip remains unchanged, the on/off circuit normal operation.
Step e, under the on/off circuit normal operating conditions, the switching on and shutting down button is pressed, and the switching circuit unit produces the low level triggering signal, it is low level system closedown signal that the switching on and shutting down managing chip changes its output signal, this signal be invalid signals send into or the door chip the second input; Effect due to delay circuit, the time delay definite at delay circuit is in the time, the delay circuit output signal is in low level, or door chip first input end becomes disarmed state, and then or the output of door chip produce the low level invalid signals, cause analog switch to disconnect, make the switching on and shutting down managing chip voltage of losing the job, on/off circuit quits work, and equipment shutdown power consumption is zero.
During shutdown, in above-mentioned steps E, switching circuit unit low level triggering signal duration is less than definite time delay time of time delay circuit.Before switching circuit unit low level triggering signal becomes the high level invalid signals, through delay circuit and inverter, or the family status one input obtains useful signal, and then make the analog switch conducting, but due to now, the first input end input signal of switching on and shutting down managing chip is invalid, and it is invalid that the system boot signal keeps; After switching circuit unit output invalid signals, through delay circuit and inverter, or door output invalid signals, and then make analog switch turn-off, realize closedown zero power consumption.
Those skilled in the art, can associate other advantage and distortion according to above implementation type.So the present invention is not limited to above-mentioned concrete example, it is only to a kind of concrete embodiment of the present invention.In the scope that does not deviate from aim of the present invention, those skilled in the art can be equal to and be replaced within resulting technical scheme should be included in claim scope of the present invention and equivalency range thereof according to above-mentioned example.
Claims (3)
1. an electronic equipment closedown zero power consumption implementation method, is characterized in that, described method is by a kind of on/off circuit realization, and described on/off circuit comprises switching circuit unit, delay circuit, switching on and shutting down managing chip, analog switch or door and inverter;
The output of described switching circuit unit is connected with the first input end of switching on and shutting down managing chip with the input of delay circuit respectively;
The output of described delay circuit is connected with the input of inverter;
First input end described or door is connected with inverter output, or the second input of door is connected with the output of described switching on and shutting down managing chip;
Output described or door connects the Enable Pin of described analog switch;
Described analog switched power supply input is connected with outside direct voltage source, and analog switch the first output is connected with the second input of switching on and shutting down managing chip;
Described switching circuit unit output triggering signal is low level;
During the Enable Pin input high level of described analog switch, the power input of analog switch respectively with the first output, the second output conducting; During the Enable Pin input low level of analog switch, the power input of analog switch and output turn-off;
Described switching on and shutting down managing chip, when its second input input service voltage, its first input end input triggers low level, to change the output level of switching on and shutting down managing chip, specific as follows:
If current switching on and shutting down managing chip output high level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is low level;
If current switching on and shutting down managing chip output low level, after switching on and shutting down managing chip first input end receives and triggers low level, switching on and shutting down managing chip output is high level.
2. a kind of electronic equipment closedown zero power consumption implementation method according to claim 1, is characterized in that, the time delay of described delay circuit is set as 1 second.
3. a kind of electronic equipment closedown zero power consumption implementation method according to claim 1, it is characterized in that, the power input of described analog switch refers to the first output, the second output conducting respectively: the power input input voltage of analog switch is respectively after voltage transitions, respectively from the first output, the second output output.
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| CN201310342348.4A CN103457586B (en) | 2013-08-08 | 2013-08-08 | A kind of electronic equipment closedown zero power consumption implementation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027026A (en) * | 2016-06-22 | 2016-10-12 | 深圳市索瑞图科技有限公司 | Control circuit for one-way switch of embedded portable device |
| CN106247537A (en) * | 2016-08-08 | 2016-12-21 | 海信（山东）空调有限公司 | Air-conditioner outdoor unit and one drags many air-conditionings |
| CN107357413A (en) * | 2017-07-18 | 2017-11-17 | 山东超越数控电子有限公司 | A kind of method for effectively reducing adapter end power consumption under computer shutdown state |
| CN109116958A (en) * | 2018-08-29 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of production method, circuit and the server of chip reset signal |
| CN113110156A (en) * | 2021-04-07 | 2021-07-13 | 深圳形天半导体有限公司 | LDO chip and intelligent wearable device |
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| EP0604270A1 (en) * | 1992-12-22 | 1994-06-29 | STMicroelectronics S.A. | Power-on reset circuit with protection against power failures for an integrated circuit |
| CN101387873A (en) * | 2007-09-12 | 2009-03-18 | 英业达股份有限公司 | Power switching device |
| CN101673136A (en) * | 2009-10-27 | 2010-03-17 | 中兴通讯股份有限公司 | Power control unit and on/off method |
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Patent Citations (3)
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| EP0604270A1 (en) * | 1992-12-22 | 1994-06-29 | STMicroelectronics S.A. | Power-on reset circuit with protection against power failures for an integrated circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027026A (en) * | 2016-06-22 | 2016-10-12 | 深圳市索瑞图科技有限公司 | Control circuit for one-way switch of embedded portable device |
| CN106247537A (en) * | 2016-08-08 | 2016-12-21 | 海信（山东）空调有限公司 | Air-conditioner outdoor unit and one drags many air-conditionings |
| CN107357413A (en) * | 2017-07-18 | 2017-11-17 | 山东超越数控电子有限公司 | A kind of method for effectively reducing adapter end power consumption under computer shutdown state |
| CN109116958A (en) * | 2018-08-29 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of production method, circuit and the server of chip reset signal |
| CN113110156A (en) * | 2021-04-07 | 2021-07-13 | 深圳形天半导体有限公司 | LDO chip and intelligent wearable device |
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| Publication number | Publication date |
|---|---|
| CN103457586B (en) | 2016-05-25 |
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