CN104166349A - Device and method for controlling power source power supplying - Google Patents
Device and method for controlling power source power supplying Download PDFInfo
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- CN104166349A CN104166349A CN201310185897.5A CN201310185897A CN104166349A CN 104166349 A CN104166349 A CN 104166349A CN 201310185897 A CN201310185897 A CN 201310185897A CN 104166349 A CN104166349 A CN 104166349A
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- power supply
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Abstract
The invention relates to a device for controlling power source power supplying. The device comprises a switch unit; a processor for controlling the on and off of the switch unit; and a capacitor unit for receiving electric energy for charging the capacitor unit from a power source when the switch unit is connected. When the load current provided to a load by the power source through the device is smaller than a preset first threshold value, the processor controls the switch unit to be disconnected with the power source; and the capacitor unit provides power to the processor during the switch unit disconnecting period, so that when the load is connected to the device, the processor can control the switch unit to be connected.
Description
Technical field
The application relates to the device and method for controlling Power supply.
Background technology
For a long time, how energy-conservation is the problem that people pay close attention to always.As everyone knows, if electrical equipment keeps being connected with power supply, even if stop using electrical equipment, electrical equipment also can consumes power, that is, electrical equipment exists no-load power consumption.Thereby, exist provide can reduce no-load power consumption, for controlling the needs of device and method of Power supply.
Summary of the invention
For the above-mentioned problems in the prior art, on the one hand, it is a kind of for controlling the device of Power supply that the application provides, and comprising: switch element; Processor, controls the disconnection of described switch element with closed; And capacitor cell, in the time that described switch element is closed, receive the electric energy to its charging from described power supply, wherein, in the time that the load current being provided to load by described device by described power supply is less than predetermined first threshold, described in described processor control, switch element disconnects and being connected of described power supply, and described capacitor cell is described processor power supply at described switch element off period, thereby while making to described device access load, described processor can be controlled described switch element closure.
On the other hand, it is a kind of for controlling the method for Power supply that the application provides, and comprising: described power supply charges to capacitor cell; Processor is determined the load current that offers load by described power supply and is less than predetermined first threshold; The switch element that described processor control is connected with described power supply disconnects, to stop described power supply to described load and the power supply of described processor; And described capacitor cell is the power supply of described processor, thereby make when described while again accessing load, described processor can be controlled described switch element closure.
By the application for controlling the device and method of Power supply, can reduce no-load power consumption, reach energy-conservation object.
Brief description of the drawings
Fig. 1 is according to the schematic diagram of the device of the control Power supply of the application's illustrative embodiments;
Fig. 2 is according to the schematic diagram of the device of the control Power supply of another illustrative embodiments of the application; And
Fig. 3 is according to the schematic diagram of the method for the control Power supply of the application's illustrative embodiments.
Embodiment
In order to understand better the application, with reference to accompanying drawing, the application's various aspects are made to more detailed description.Be appreciated that the just description to the application's preferred embodiment of drawings and detailed description, but not limit by any way the application's scope.
Parts described in the application " are connected " or " being connected " with another parts, can represent that these two parts are directly connected, or be connected by other parts.
Below with reference to Fig. 1 to being described according to the device of the control Power supply of the application's illustrative embodiments.
As shown in Figure 1, the device 1000 of control Power supply can comprise switch element 100, processor 200 and capacitor cell 300.
Switch element 100 is connected with outside power supply 3000 and can disconnects or be electrically connected with power supply 3000.In some embodiments, switch element 100 can be magnetism holding type relay switch.The disconnection of magnetism holding type relay switch is with closed with pulse voltage driving, and the application time of pulse voltage is very short.After the disconnection of relay switch and closure are triggered, the coil of relay does not need to apply again and maintains voltage and can keep original disconnection and closure state.Be applied to the pulse voltage polarity of relay coil corresponding to the disconnection and closure of relay.
Processor 200 is connected with outside load 2000.Load 2000 can be for example charger, mobile portable equipment or other electrical equipment.
In device 1000, processor 200 is connected with switch element 100 and disconnection and closure that can gauge tap unit 100.
Capacitor cell 300 can be connected with switch element 100 and processor 200, and in the time that switch element 100 is closed, capacitor cell 300 can receive the electric energy to its charging from power supply 2000.In some embodiments, capacitor cell 300 can be super capacitor.According to an embodiment, capacitor cell 300 is for capacitance is greater than the super capacitor of 0.33F, for example, can be the super capacitor of two 0.33F in parallel.
In the time being less than predetermined first threshold by power supply 3000 by 1000 load currents that provide to load 2000 are provided, that is to say, in the time that user disconnects electrical appliance or charging and is full of, processor 200 can gauge tap unit 100 disconnects and being connected of power supply 3000.In some embodiments, electric current when first threshold can be set to the electrical work lower than for example charger.By suitable definite first threshold, processor 200 can judge that load 2000 has disconnected, thereby can disconnecting device 1000 and being electrically connected of power supply 3000.
Capacitor cell 300 can be powered for processor 200 at switch element 100 off periods.In the time that processor 200 is determined load 2000 conducting being connected with device 1000 (, again access load 2000), processor 200 can gauge tap unit 100 closures, thereby load 2000 is powered.
The device 1000 of the embodiment by the application, when user's disconnecting consumers 2000 or such as charger of load 2000() charge while being full of, need to be from electrical source consumption energy, device 1000 disconnects with power supply 3000.And in the time that user accesses load 2000 again, device 1000 is connected with power supply 3000 again, thereby load 2000 is powered.Therefore, consumes power not when load 2000 disconnects, thus reduce power consumption.
It will be understood by those skilled in the art that between switch element 100 and load 2000, conventional transforming circuit can be set, to realize transformation function, will repeat no more at this.
Fig. 2 shows according to the device 1000 ' of another illustrative embodiments of the application.
As shown in Figure 2, except comprising the parts identical with the device 1000 shown in Fig. 1, device 1000 ' can also comprise load insertion detecting unit 400, and it is connected between processor 200 and load and can detects the insertion of load (, the conducting of load).Detecting unit 400 is inserted in load can send first signal to processor 200 in response to the insertion of load, to make processor 200 gauge tap unit 100 closures.
Alternatively, device 1000 ' can also comprise load current detection unit 500, and it can be connected between processor 200 and load and for detection of the size of load current.When the load current detecting when load current detection unit 500 is less than predetermined first threshold, processor 200 gauge tap unit 100 disconnections are connected with power supply 3000.
Alternatively, device 1000 ' can also comprise load supplying switch 600, and it can be connected between load 2000 and power supply 3000, and is controlled by processor 200.In the time that the load current of load 2000 is less than predetermined first threshold, processor 200 control load power switchs 600 disconnections are connected with load 2000.By load supplying switch 600, in the time of user's disconnecting consumers 2000, in the time that load is unloaded, can consumed energy, and 300 of capacitor cells power to processor 200.
Alternatively, device 1000 ' can also comprise power supply input detection unit 700, and it can be connected between power supply 3000 and processor 200.Power supply input detection unit 700 can send secondary signal to processor 200 in response to the access of power supply 3000, to make processor 200 control load power switch 600 closures.
Alternatively, device 1000 ' can also comprise capacitance voltage detecting unit 800, and it can be connected between capacitor cell 300 and processor 200, and can detect the voltage of capacitor cell 300.Processor 200 makes switch element 100 closures in the time that the voltage of the detected capacitor cell 300 of capacitance voltage detecting unit 800 is less than default Second Threshold, by power supply 3000, capacitor cell 300 is charged, and after being full of, capacitor cell 300 make switch element 100 disconnect.Be appreciated that capacitor cell 300 only consumes little electric energy.And in the process of by device 1000 ', load 2000 being powered at power supply 3000, capacitor cell 300 can receive the electric energy to its charging from power supply 2000.
It is pointed out that Fig. 2 only shows a kind of exemplary embodiment.In other embodiments, device 1000 ' can only comprise that load inserts one or more in detecting unit 400, load current detection unit 500, load supplying switch 600, power supply input detection unit 700 and capacitance voltage detecting unit 800.
It will be understood by those skilled in the art that between switch element 100 and load 2000, conventional transforming circuit can be set, to realize transformation function, will repeat no more at this.
Fig. 3 shows according to the method for the control Power supply of the application's illustrative embodiments.
As shown in Figure 3, the method for control Power supply can comprise:
Step S100, power supply charges to capacitor cell;
Step S200, processor is determined the load current that offers load by power supply and is less than predetermined first threshold;
Step S300, the switch element that processor control is connected with power supply disconnects, to stop power supply to load and processor power supply; And
Step S400, capacitor cell is processor power supply, thereby makes in the time again accessing load, processor can gauge tap unit closure.
Each parts of describing in it is pointed out that all parts related in the method shown in Fig. 3 and controlling the device of Power supply are above corresponding, repeat no more herein.
In addition, Fig. 3 only shows a kind of exemplary embodiment of the method for controlling Power supply, and wherein the sequencing of each step is also exemplary.In other embodiments, the sequencing of each step is variable.
The method of the embodiment by the application, in the time that user does not access load, load and power supply disconnect.And in the time that user accesses load, power supply is connected with load again, thereby load is powered.Therefore, consumes power not when load is unloaded, thus reduce power consumption.
In some embodiments, control the method for Power supply and can also comprise the voltage of capacitor cell is detected, thereby determine the electric energy that capacitor cell stores.In the time determining detected voltage and be less than default Second Threshold, need capacitor cell to carry out charging operations.For capacitor cell is carried out to charging operations, processor gauge tap unit closure by power supply, capacitor cell is charged, and controls switch unit after the electric energy of capacitor cell storage reaches some (such as being full of).
According to some embodiment, the time of capacitor cell being charged by power supply can change according to the capacity of capacitor cell.For example, the time of switch element closure can be 0.5 minute to 5 minutes.
The foregoing is only some concrete embodiments; not be used for limiting the scope of the claims of the present invention; every equivalent transformation that utilizes present specification and accompanying drawing content to do; or the equivalent technologies feature that is directly or indirectly used in other relevant technical fields amendment that the disclosed technical scheme of present specification is carried out, include in protection scope of the present invention.
Claims (11)
1. for controlling a device for Power supply, comprising:
Switch element;
Processor, controls the disconnection of described switch element with closed; And
Capacitor cell, in the time that described switch element is closed, receives the electric energy to its charging from described power supply,
Wherein, in the time that the load current being provided to load by described device by described power supply is less than predetermined first threshold, described in described processor control, switch element disconnects and being connected of described power supply, and described capacitor cell is described processor power supply at described switch element off period, thereby while making to described device access load, described processor can be controlled described switch element closure.
2. device as claimed in claim 1, also comprises:
Detecting unit is inserted in load, sends first signal in response to the insertion of load to described processor, to make switch element closure described in described processor control.
3. device as claimed in claim 1 or 2, also comprises:
Load current detection unit, for detection of the size of described load current.
4. device as claimed in claim 1, also comprises:
Load supplying switch, is connected between described load and described power supply, and by described processor control.
5. device as claimed in claim 4, also comprises:
Power supply input detection unit, sends secondary signal in response to the access of power supply to described processor, to make load supplying switch closure described in described processor control.
6. device as claimed in claim 1, wherein, described capacitor cell is super capacitor.
7. device as claimed in claim 1, also comprises:
Capacitance voltage detecting unit, detects the voltage of described capacitor cell,
Wherein said processor makes described switch element closure in the time that the voltage of described capacitor cell is less than default Second Threshold, by described power supply, described capacitor cell is charged, and after described capacitor cell is full of, makes described switch element disconnect.
8. device as claimed in claim 1, wherein:
Described switch element is the magnetism holding type relay being driven by pulse voltage.
9. for controlling a method for Power supply, comprising:
Described power supply charges to capacitor cell;
Processor is determined the load current that offers load by described power supply and is less than predetermined first threshold;
The switch element that described processor control is connected with described power supply disconnects, to stop described power supply to described load and the power supply of described processor; And
Described capacitor cell is the power supply of described processor, thereby makes when described while again accessing load, and described processor can be controlled described switch element closure.
10. method as claimed in claim 9, also comprises:
Voltage to described capacitor cell detects;
Determine detected voltage and be less than default Second Threshold; And
Switch element closure described in described processor control by described power supply, described capacitor cell is charged, and is controlled described switch element disconnection after described capacitor cell is full of.
11. methods as claimed in claim 10, wherein in switch element closure described in described processor control, in the step of described capacitor cell being charged by described power supply, the time of described switch element closure is 0.5 minute to 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310185897.5A CN104166349A (en) | 2013-05-17 | 2013-05-17 | Device and method for controlling power source power supplying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310185897.5A CN104166349A (en) | 2013-05-17 | 2013-05-17 | Device and method for controlling power source power supplying |
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| CN104166349A true CN104166349A (en) | 2014-11-26 |
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| CN201310185897.5A Pending CN104166349A (en) | 2013-05-17 | 2013-05-17 | Device and method for controlling power source power supplying |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104731069A (en) * | 2015-03-09 | 2015-06-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Power distribution system of unmanned aerial vehicle ground control station |
| CN105911917A (en) * | 2016-06-12 | 2016-08-31 | 京东方科技集团股份有限公司 | Control circuit and control method thereof, and display system |
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| CN105911917A (en) * | 2016-06-12 | 2016-08-31 | 京东方科技集团股份有限公司 | Control circuit and control method thereof, and display system |
| CN105911917B (en) * | 2016-06-12 | 2019-06-21 | 京东方科技集团股份有限公司 | A kind of control circuit and its control method, display system |
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Application publication date: 20141126 |