CN108054828A - Saving Power Control Circuit and its control method - Google Patents
Saving Power Control Circuit and its control method Download PDFInfo
- Publication number
- CN108054828A CN108054828A CN201711236134.3A CN201711236134A CN108054828A CN 108054828 A CN108054828 A CN 108054828A CN 201711236134 A CN201711236134 A CN 201711236134A CN 108054828 A CN108054828 A CN 108054828A
- Authority
- CN
- China
- Prior art keywords
- switch
- control signal
- power control
- control circuit
- power
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention discloses a kind of Saving Power Control Circuit and its control method, which includes：First switch in parallel and second switch, second switch include first end, second end and the 3rd end, wherein, first end and second end are connected respectively with the both ends of first switch, and the 3rd end is as control terminal；Controller, including the first power end, power control signal output terminal and second source end；First power end connects the anode of power supply by first switch, and second source end connects the cathode of power supply；Power control signal output terminal connects the control terminal of second switch；When first switch turns on, power control signal output terminal output first control signal, for second switch to be controlled to turn on；When first switch continuous turn-off time being more than predetermined threshold value, power control signal output terminal output second control signal, for second switch to be controlled to disconnect.Power consumption can be reduced by implementing the present invention, improve power supply service life.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to a kind of Saving Power Control Circuit and its control method.
Background technology
With the continuous improvement of people's level of consumption, quality of life, various test equipments continue to bring out out.As skin is surveyed
Instrument, blood glucose monitoring system etc. is tried, these skinny devices generally use battery powered.Due to work when power consumption it is relatively high, so with
When family is without using instrument, instrument can be automatically into sleep pattern.
It is this at present to substantially reduce power consumption into sleep pattern mode, but some equipment are in a sleep mode still
There are certain power consumptions.It even lays up, when compartment time user reuses, possible battery capacity has exhausted, and makes
It shortens into battery.
It would therefore be highly desirable to a kind of Saving Power Control Circuit of the zero-power in device standby is developed, to extend the use of power supply
Service life.
The content of the invention
In view of this, the present invention is intended to provide a kind of Saving Power Control Circuit and control method, to real in device standby
Existing zero-power, and then extend the service life of the power supply of the equipment.
Specifically, Saving Power Control Circuit of the invention with the power supply of equipment for being connected, the economize on electricity control electricity
Road includes：First switch in parallel and second switch, the second switch include first end, second end and the 3rd end, wherein, institute
It states the both ends of first end and second end respectively with the first switch to be connected, the 3rd end is as control terminal；Controller, including first
Power end, power control signal output terminal and second source end；First power end connects the power supply by first switch
The anode of power supply, the second source end connect the cathode of the power supply；The power control signal output terminal connects institute
State the control terminal of second switch；When the first switch turns on, the first control of power control signal output terminal output letter
Number, for the second switch to be controlled to turn on；When the first switch continuous turn-off time being more than predetermined threshold value, the power supply
Control signal output exports second control signal, for the second switch to be controlled to disconnect.
Further, the Saving Power Control Circuit further includes triode and first resistor；The power control signal is defeated
The control terminal that outlet connects the second switch is specially：
The power control signal output terminal connects the base stage of the triode；Described in the emitter connection of the triode
The control terminal of second switch, and pass through the cathode of the first resistor connection power supply；The collector of the triode
Connect the anode of the power supply.
Further, the Saving Power Control Circuit further includes second resistance；The power control signal output terminal passes through
The second resistance connects the base stage of the triode.
Further, the Saving Power Control Circuit further includes 3rd resistor；First power end of the controller passes through
The 3rd resistor is connected with the second source end.
Further, the first switch is key switch or/also, the second switch is metal-oxide-semiconductor.
Further, the first control signal is high level signal, and the second control signal is low level signal.
Further, the first switch is the startup switch of the equipment.
On the other hand, of the invention to include a kind of control method of Saving Power Control Circuit, the Saving Power Control Circuit is upper
Saving Power Control Circuit is stated, the control method includes：
When the first switch conducting of the Saving Power Control Circuit, controller obtains electric work, the power supply control letter of controller
Number output terminal output first control signal, controls the second switch of the Saving Power Control Circuit to turn on；
When the first switch continuous turn-off time being more than predetermined threshold value, power control signal output terminal output the
Two control signals, control the second switch to disconnect, and the controller dead electricity is stopped.
Further, when the first switch is key switch, the first switch continuous turn-off time is continuous nothing
The time of operation.
Further, the first control signal is high level signal, and the second control signal is low level signal.
The Saving Power Control Circuit and its control method of the present invention, by first switch and second switch in parallel, first
After controller obtains electric work, second switch is connected by first control signal for switch connection power supply, and power supply electricity is connected by second switch
Source, and second switch is controlled according to the use state of equipment by controller, i.e., it is more than default threshold in continuous turn-off time
During value, by exporting second control signal so that second switch disconnects, and automatically cuts off power supply, and controller dead electricity stops work
Make, do not generate power consumption, and then realize equipment zero-power under ideal case.
Description of the drawings
It is incorporated into specification and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and with
Principle for explaining the present invention together is described.In the drawings, similar reference numeral is used to represent similar element.Under
Attached drawing in the description of face is some embodiments of the present invention rather than whole embodiments.Come for those of ordinary skill in the art
It says, without creative efforts, other attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of circuit diagram of Saving Power Control Circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the control method of Saving Power Control Circuit provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work belong to the scope of protection of the invention.It needs
Illustrate, in the case where there is no conflict, the feature in embodiment and embodiment in the application can be mutually combined.
The invention will now be described in detail with reference to the accompanying drawings implements the Saving Power Control Circuit being related to and its control method.It needs to illustrate
, in following embodiment " connection " only represent a kind of connection relation, can refer to connected directly or indirectly, should not limit
Qualitative sense.The equipment that equipment refers mainly to be built-in with power supply, power supply not only include battery, lithium electronics etc..
Embodiment one
Shown in Figure 1, the Saving Power Control Circuit of embodiment one saves for being connected with built-in power supply in a device
Electric control circuit includes：First switch SW1 in parallel and second switch MOS1, second switch MOS1 include first end, second end
And the 3rd end, wherein, the both ends of first end and second end respectively with first switch SW1 are connected, and the 3rd end is as control terminal.
Controller MCU includes the first power end VCC, power control signal output terminal POWER and second source end GND；The
One power end VCC passes through the anode of first switch SW1 connection power supplies BT1, second source end GND connection power supplies BT1
Cathode；The control terminal of power control signal output terminal POWER connection second switches MOS1.
When first switch SW1 is turned on, power control signal output terminal POWER output first control signals, for controlling
Second switch MOS1 is turned on；When first switch SW1 continuous turn-off times being more than predetermined threshold value, power control signal output terminal
POWER exports second control signal, for second switch MOS1 to be controlled to disconnect.
During concrete operations：First switch SW1 can be key switch, can also be used as the startup switch of equipment.Second opens
It closes as metal-oxide-semiconductor.The first control signal can be high level signal, and the second control signal can be low level signal.
At least also there are following preferred embodiments for the present embodiment：
The first：Saving Power Control Circuit further includes triode N1 and first resistor R2；Power control signal output terminal POWER
The base stage of connecting triode N1；The control terminal of the emitter connection second switch MOS1 of triode N1, and pass through first resistor R2
Connect the cathode of power supply BT1；The anode of the collector connection power supply BT1 of triode N1.
Second：Saving Power Control Circuit further includes second resistance R1；Power control signal output terminal POWER passes through the second electricity
Hinder the base stage of R1 connecting triodes NI.
The third：Saving Power Control Circuit further includes 3rd resistor R3；The first power end VCC of controller MCU passes through the 3rd
Resistance R3 is connected with second source end GND.
The circuit operation principle of Saving Power Control Circuit is summarized as follows：When just powering on, first switch SW1 is pressed by the first power supply
VCC is held to connect, controller MCU starts to work.High level is exported by power control signal output terminal POWER, triode N1 is led
Logical, A points become high level, reach second switch MOS1 conducting voltages, second switch MOS1 conductings.Unclamp first switch SW1, control
Device MCU processed still can obtain power supply by second switch MOS1 and work normally.When work completion or long time no operations
When, it can be set by program and low level, triode N1 cut-offs are exported by power control signal output terminal POWER, A points become
Low level, because grid voltage becomes 0V cut-offs, controller MCU power supplys are cut off to be stopped second switch MOS1, realizes standby
The zero-power of power supply under state.
The present embodiment realizes the power supply automatic shutoff of equipment by the first switch circuit structure in parallel with second switch；
After user has used equipment, even if forgetting to close power supply to equipment, also can second switch be controlled by corresponding software algorithm
It cuts off the power, avoids the waste of power supply, the zero-power of power supply under holding state is realized, so as to extend the service life of power supply.
Embodiment two
The control method of the Saving Power Control Circuit of embodiment two, wherein, Saving Power Control Circuit is controlled for any of the above-described kind of economize on electricity
Circuit processed, control method include：
When the first switch conducting of the Saving Power Control Circuit, controller obtains electric work, the power supply control letter of controller
Number output terminal output first control signal, controls the second switch of the Saving Power Control Circuit to turn on；
When the first switch continuous turn-off time being more than predetermined threshold value, power control signal output terminal output the
Two control signals, control the second switch to disconnect, and the controller dead electricity is stopped.
Specifically, when the first switch is key switch, the first switch continuous turn-off time is continuously without behaviour
The time of work.As shown in Fig. 2, idiographic flow can include：
First, button is started shooting, first switch conducting；
Secondly, controller determines whether actuation of keys, if so, actuation of keys is then performed, specifically, first switch turns on
Afterwards, controller obtains electric work, and the power control signal output terminal output first control signal of controller controls Saving Power Control Circuit
Second switch conducting；If nothing, add up first switch continuous time without operation；
Again, judge whether accumulative timing time reaches predetermined threshold value, such as X seconds, if reaching, power control signal was defeated
Outlet exports second control signal, and control second switch disconnects, and controller dead electricity is stopped, if being not reaching to, continues to return
It returns and determines whether actuation of keys.
Specific according to Saving Power Control Circuit sets form, and first control signal can be high level signal, and second controls
Signal can be low level signal.
The present embodiment judges whether user uses equipment lasting by detecting actuation of keys, if controller adds up X
Second is without any key-press input, then it is assumed that user completes equipment using process, can perform de-energizing actions.Using self-test button
Software algorithm judges user's operation behavior, realizes that device standby zero-power controls with combination of hardware.
It will appreciated by the skilled person that realize all or part of step/units/modules of above-described embodiment
It can be completed by the relevant hardware of program instruction, foregoing routine can be stored in computer read/write memory medium, should
Upon execution, perform includes step corresponding in above-described embodiment each unit to program；And foregoing storage medium includes：ROM、
The various media that can store program code such as RAM, magnetic disc or optical disc.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
- A kind of 1. Saving Power Control Circuit, for being connected with built-in power supply in a device, which is characterized in that the economize on electricity control Circuit processed includes：First switch in parallel and second switch, the second switch include first end, second end and the 3rd end, wherein, it is described The both ends of first end and second end respectively with the first switch are connected, and the 3rd end is as control terminal；Controller, including the first power end, power control signal output terminal and second source end；First power end passes through One switch connects the anode of the power supply, and the second source end connects the cathode of the power supply；The power supply control Signal output part processed connects the control terminal of the second switch；When the first switch turns on, the power control signal output terminal exports first control signal, described for controlling Second switch turns on；When the first switch continuous turn-off time being more than predetermined threshold value, the power control signal output terminal Second control signal is exported, for the second switch to be controlled to disconnect.
- 2. Saving Power Control Circuit as described in claim 1, which is characterized in that further include triode and first resistor；The electricity The control terminal that source control signal output connects the second switch is specially：The power control signal output terminal connects the base stage of the triode；The emitter connection described second of the triode The control terminal of switch, and pass through the cathode of the first resistor connection power supply；The collector connection of the triode The anode of the power supply.
- 3. Saving Power Control Circuit as claimed in claim 2, which is characterized in that further include second resistance；The power supply control letter Number output terminal passes through the base stage that the second resistance connects the triode.
- 4. Saving Power Control Circuit as claimed in claim 3, which is characterized in that further include 3rd resistor；The of the controller One power end is connected by the 3rd resistor with the second source end.
- 5. such as the Saving Power Control Circuit any one of claim 1-4, which is characterized in that the first switch is opened for button It closes or/also, the second switch is metal-oxide-semiconductor.
- 6. Saving Power Control Circuit as claimed in claim 5, which is characterized in that the first control signal is high level signal, The second control signal is low level signal.
- 7. Saving Power Control Circuit as claimed in claim 5, which is characterized in that the first switch is opened for the start of the equipment It closes.
- 8. a kind of control method of Saving Power Control Circuit, which is characterized in that the Saving Power Control Circuit is as in claim 1-7 Any one of them Saving Power Control Circuit, the control method include：When the first switch conducting of the Saving Power Control Circuit, controller obtains electric work, and the power control signal of controller is defeated Outlet exports first control signal, and the second switch of the Saving Power Control Circuit is controlled to turn on；When the first switch continuous turn-off time being more than predetermined threshold value, second control of power control signal output terminal output Signal processed, controls the second switch to disconnect, and the controller dead electricity is stopped.
- 9. control method as claimed in claim 8, which is characterized in that when the first switch is key switch, described the One switch continuous turn-off time was the continuously time without operation.
- 10. control method as described in any of claims 8 or 9, which is characterized in that the first control signal is high electricity Ordinary mail number, the second control signal are low level signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236134.3A CN108054828A (en) | 2017-11-30 | 2017-11-30 | Saving Power Control Circuit and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236134.3A CN108054828A (en) | 2017-11-30 | 2017-11-30 | Saving Power Control Circuit and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108054828A true CN108054828A (en) | 2018-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711236134.3A Pending CN108054828A (en) | 2017-11-30 | 2017-11-30 | Saving Power Control Circuit and its control method |
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| CN (1) | CN108054828A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383207A (en) * | 2020-10-28 | 2021-02-19 | 四川长虹电器股份有限公司 | Zero-power-consumption standby control circuit and control method |
| CN112994408A (en) * | 2019-12-02 | 2021-06-18 | 佛山市顺德区美的电热电器制造有限公司 | Low-power-consumption control system and control method, and electronic device |
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| CN202083915U (en) * | 2011-02-28 | 2011-12-21 | 广州视源电子科技有限公司 | Button switch control circuit with zero standby power consumption |
| CN103713724A (en) * | 2013-12-20 | 2014-04-09 | 青岛歌尔声学科技有限公司 | Outage starting circuit with battery equipment and control method |
| CN205427505U (en) * | 2015-09-28 | 2016-08-03 | 深圳市创享联盟科技有限公司 | Zero power consumption standby circuit and electronic product |
| CN205583752U (en) * | 2016-04-12 | 2016-09-14 | 长沙市博巨兴电子科技有限公司 | Circuit capable of zero power consumption in a standby state |
| CN106959726A (en) * | 2017-04-21 | 2017-07-18 | 深圳市瀚索科技开发有限公司 | A kind of on/off circuit based on touch-switch |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202083915U (en) * | 2011-02-28 | 2011-12-21 | 广州视源电子科技有限公司 | Button switch control circuit with zero standby power consumption |
| CN103713724A (en) * | 2013-12-20 | 2014-04-09 | 青岛歌尔声学科技有限公司 | Outage starting circuit with battery equipment and control method |
| CN205427505U (en) * | 2015-09-28 | 2016-08-03 | 深圳市创享联盟科技有限公司 | Zero power consumption standby circuit and electronic product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994408A (en) * | 2019-12-02 | 2021-06-18 | 佛山市顺德区美的电热电器制造有限公司 | Low-power-consumption control system and control method, and electronic device |
| CN112383207A (en) * | 2020-10-28 | 2021-02-19 | 四川长虹电器股份有限公司 | Zero-power-consumption standby control circuit and control method |
| CN112383207B (en) * | 2020-10-28 | 2021-08-27 | 四川长虹电器股份有限公司 | Zero-power-consumption standby control circuit and control method |
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Application publication date: 20180518 |