CN101364095A - Power supply management method, device and system - Google Patents

Power supply management method, device and system Download PDF

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Publication number
CN101364095A
CN101364095A CNA2008101677771A CN200810167777A CN101364095A CN 101364095 A CN101364095 A CN 101364095A CN A2008101677771 A CNA2008101677771 A CN A2008101677771A CN 200810167777 A CN200810167777 A CN 200810167777A CN 101364095 A CN101364095 A CN 101364095A
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China
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load
power supply
voltage
variation
power
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CNA2008101677771A
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Chinese (zh)
Inventor
苏红宏
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Huawei Device Shenzhen Co Ltd
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Shenzhen Huawei Communication Technologies Co Ltd
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Priority to CNA2008101677771A priority Critical patent/CN101364095A/en
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Abstract

The embodiment of the invention provides a power source management method, a power source management device and a power source management system, which belong to the field of electrical equipment and aim to solve the problem of inconvenience in power supply from a set top box to a TV. The power source management method, device and system enable the adjuvant equipment to automatically shut down or enter standby mode after the main equipment is shutdown or in the standby state, and enable the adjuvant equipment to automatically start up or enter the standby mode after the main equipment is started or in the normal state; avoid the step-by-step operation, and reduce the power waste caused by a user who forgets to shut down the adjuvant equipment after shutting down the main equipment. The power source management method, device and system are applicable to the TV with more than one set top box and applicable to more than one controlled load tracking the state change of more than more monitored load. The power source management method, device and system are implemented by modifying the set top box or providing the independent power source management equipment without needing to modify the prior TV, and are easy to use.

Description

Method for managing power supply, Apparatus and system
Technical field
The present invention relates to the electrical equipment field, relate in particular to a kind of method for managing power supply, Apparatus and system.
Background technology
Extensive application along with multimedia equipment, at present in family and enterprise's use, generally there are many audio-visual equipment (as set-top box) to be connected to televisor (or projector etc. look audio output apparatus), form annexation as shown in Figure 1: televisor (first load) is connected with at least one set-top box (second load), and set-top box is sent into simulating signal by this connection to televisor.Every set-top box all is connected with power supply.An optional set-top box (as IP set-top box among the figure), the jack of integrated power supply output on this set-top box, this jack is connected with the TV set power jack by lead.Set-top box provides power supply by this connection to televisor.Can closure plane top box its own power source and the power supply of integrated power supply jack by closing of set-top box power supply, thus as long as the power supply of operation closure plane top box just can while closure plane top box and televisor.
In the process of the power switch of realizing controlling televisor by manipulator top box power supply, the inventor finds that there are the following problems at least in the prior art: because in this technology, the power supply of televisor is to provide (the set-top box IP set-top box among Fig. 1) to provide by a certain set-top box at least one the set-top box, so when this set-top box shutdown, can cut off the power supply of televisor simultaneously, if other audio-visual equipment (as DVD) need to use televisor, then need televisor and IP set-top box are started shooting simultaneously; And if this set-top box powered-down not, just standby, TV set power can not be closed so, has so just caused the waste of power supply and the inconvenience of operation.
Summary of the invention
In order to solve in the prior art, provide power supply by one second load to first load, influence the operation inconvenience that other second loads bring the use of first load, the embodiment of the invention proposes following technical scheme:
On the one hand, the embodiment of the invention provides a kind of method for managing power supply.
A kind of method for managing power supply comprises:
Be provided with/obtain control strategy;
Monitor the circuit parameter of first load;
Control the variation of second load condition according to the variation of the circuit parameter of above-mentioned control strategy and above-mentioned first load.
On the one hand, the embodiment of the invention provides a kind of electric power controller.
A kind of electric power controller comprises:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used to monitor the circuit parameter of first load;
Energy supply control module is used for controlling according to the variation of the circuit parameter of above-mentioned control strategy and above-mentioned first load variation of second load condition.
On the one hand, the embodiment of the invention provides a kind of power-supply management system.
A kind of power-supply management system comprises first load and second load, and wherein second load has at least two states, also comprises power supply management device, and this power supply management device comprises:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used to monitor the circuit parameter of first load;
Energy supply control module is used for controlling according to the variation of above-mentioned strategy and the above-mentioned first load circuit parameter variation of second load condition.
On the other hand, the embodiment of the invention provides a kind of audio-visual equipment of built-in power management devices.
A kind of audio-visual equipment, for display device provides signal, the built-in power management devices, this electric power controller comprises:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used for the circuit parameter of monitoring display device;
Energy supply control module is used for the variation according to the variation control audio-visual equipment state of above-mentioned display device circuit parameter.
The embodiment of the invention provides a kind of method for managing power supply, Apparatus and system, can be after main equipment shutdown or standby, auxilliary equipment shuts down automatically or enters holding state, after main equipment start or operate as normal, assist the equipment Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the main equipment shutdown, to forget simultaneously and turned off the waste of energy that auxilliary equipment causes.Connect in the application scenarios of an above audio-visual equipment at televisor, the embodiment of the invention makes set-top box follow the state variation of televisor and change, overcome in the prior art scheme, when a shared televisor of above audio-visual equipment, because the problem that set-top box is cut off the electricity supply and interacted and use.The embodiment of the invention is applicable to that televisor adds the situation of an above set-top box and the situation of above Be Controlled load tracking state variation of monitored load more than, can control strategy be set voluntarily by the user, the state variation how load of decision Be Controlled follows the tracks of monitored load.The embodiment of the invention need not be done any transformation to the televisor of a large amount of existence, only needs the transformation apparatus top box or provide independently that power supply management device just can achieve the goal, and is easy to use.
Description of drawings
Fig. 1 is the method for managing power supply block diagram of televisor and set-top box in the prior art;
Fig. 2 is a method for managing power supply process flow diagram described in the embodiment of the invention one;
Fig. 3 is a power supply control flow chart described in the embodiment of the invention one;
Fig. 4 is a method for managing power supply process flow diagram described in the embodiment of the invention two;
Fig. 5 is a power supply control flow chart described in the embodiment of the invention two;
Fig. 6 is an electric power controller block diagram described in the embodiment of the invention three;
Fig. 7 is for utilizing the electric power controller block diagram of a K switch implementation strategy control described in the embodiment of the invention three;
Fig. 8 is the electric power controller block diagram that adds delay timer described in the embodiment of the invention three;
Fig. 9 is above Be Controlled load tracking electric power controller block diagram that monitored load condition changes more than described in the embodiment of the invention three;
Figure 10 is above Be Controlled load tracking described in the embodiment of the invention three when monitored load condition changes more than, a set concrete control strategy presentation graphs;
Figure 11 is the block diagram of power supply management device device described in the power-supply management system in the embodiment of the invention four;
Figure 12 is the device block diagram that the audio-visual equipment tracing display equipment state of built-in power management devices described in the embodiment of the invention five changes.
Embodiment
Embodiment one:
In order to solve in the prior art, provide power supply by one second load to first load, influence the operation inconvenience that other second loads bring the use of first load, the embodiment of the invention provides a kind of method for managing power supply.
As shown in Figure 2, this method for managing power supply comprises:
201, be provided with/obtain control strategy.
Determine how second load follows the tracks of the state variation of first load.In the time of specifically can being set to first load start or withdrawing from standby, second load is started shooting or is withdrawed from standby; When the first load shutdown or standby, second load shutdown or the standby.
202, detect the electric current of first load.
To reflect the variable power of first load, can finish detection by adopting current transformer.
203, will compare with reference voltage after the detected current conversion and carry out power supply control, as shown in Figure 3:
2031, the detected first load current IL is converted to voltage VL;
There is critical current I in first load, as IL〉during I, represent first load start or withdraw from standby; When IL<I, represent first load shutdown or the standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.The detected first load current IL and this resistance are multiplied each other, thereby be converted to voltage VL.
2032, obtain reference voltage V B, VB is relevant with the power consumption of first load;
2033, relatively VL and VB, when the first load shutdown or standby, the electric current I L that detects first load reduces, IL after through conversion voltage VL less than VB, output low level so; When the first load start or operate as normal, the electric current I L that detects first load increases, IL after through conversion voltage VL greater than VB, export high level so;
2034, according to the control strategy that is provided with/obtains, when being output as low level, second load is shut down or is entered holding state; When being output as high level, second load is started shooting or is withdrawed from holding state.
For after first load shutdown, second load is closed after can finishing necessary processing if having time again, can set in advance delay timer;
Behind the comparative result that receives step 2033 output, delay timer is started working;
After delay timer is overtime, execution in step 2034.
This method for managing power supply is applicable to that one first load adds the situation of second load more than, can connect second load more than in the control circuit back, make the state variation that first load is followed the tracks of in second load simultaneously more than, when the first load shutdown or standby, second load is shut down simultaneously more than one; When the first load start or operate as normal, second load is started shooting simultaneously more than one.
The embodiment of the invention provides a kind of method for managing power supply, can be after main equipment shutdown or standby, auxilliary equipment shuts down automatically or enters holding state, after main equipment start or operate as normal, assist the equipment Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the main equipment shutdown, to forget simultaneously and turned off the waste of energy that auxilliary equipment causes.The embodiment of the invention is applicable to the situation of second load tracking state variation of first load more than more than, can control strategy be set voluntarily by the user, determines how second load follows the tracks of the state variation of first load.The embodiment of the invention need not be done any transformation to first load, only needs to transform second load or provide independently that power supply management device just can achieve the goal, and is easy to use.
Embodiment two:
Embodiment one described method for managing power supply is applicable to that televisor adds the situation of an above set-top box.In order to solve in the prior art, provide power supply by set-top box to televisor, influence the operation inconvenience that other audio-visual equipment bring the use of televisor, the embodiment of the invention provides a kind of method for managing power supply.
As shown in Figure 4, this method for managing power supply comprises:
401, be provided with/obtain control strategy, the decision set-top box is the state variation of tracking television machine how.
Specifically can be set to when television boot-strap or when withdrawing from standby, set-top-box opening or withdraw from standby; When televisor shutdown or standby, set-top box shutdown or standby.
402, detect the electric current of televisor,, can finish detection by adopting current transformer with the variable power of reflection televisor.
403, will compare with reference voltage after the detected current conversion and carry out power supply control, as shown in Figure 5:
4031, detected electric current I L is converted to voltage VL.
There is critical current I in televisor, as IL〉during I, represent television boot-strap or withdraw from standby; When IL<I, represent televisor shutdown or standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.With detected televisor electric current I L by multiplying each other with this resistance, thereby be converted to voltage VL.
4032, obtain reference voltage V B, VB is relevant with the power consumption of televisor.
4033, relatively VL and VB, when televisor shutdown or standby, the electric current I L that detects televisor reduces, IL after through conversion voltage VL less than VB, output low level so; When television boot-strap or operate as normal, the electric current I L that detects televisor increases, IL after through conversion voltage VL greater than VB, export high level so.
4034, according to the control strategy that is provided with/obtains, when being output as low level, set-top box is shut down or is entered holding state; When being output as high level, set-top-box opening or withdraw from holding state.
For after the televisor shutdown, set-top box is closed after can finishing necessary processing if having time again, can set in advance delay timer;
Behind the comparative result that receives step 4033 output, delay timer is started working;
After delay timer is overtime, execution in step 4034.
This method for managing power supply is applicable to that televisor adds the situation of an above set-top box, can connect an above set-top box in the control circuit back, make the above set-top box state variation of tracking television machine simultaneously, when televisor shutdown or standby, an above set-top box is shut down simultaneously; When television boot-strap or operate as normal, an above set-top box is started shooting simultaneously.The method is equally applicable to the situation that computer adds an above peripheral hardware.This method for managing power supply can also be applied to televisor adds in the scene of audio-visual equipment such as DVD, game machine.
The embodiment of the invention provides a kind of method for managing power supply, can be after televisor shutdown or standby, set-top box is shut down automatically or is entered holding state, after television boot-strap or operate as normal, set-top box Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the televisor shutdown, to forget simultaneously and turned off the waste of energy that set-top box causes.Connect in the application scenarios of an above audio-visual equipment at televisor, the embodiment of the invention makes set-top box follow the state variation of televisor and change, overcome in the prior art scheme, when a shared televisor of above audio-visual equipment, owing to set-top box is cut off the electricity supply and influenced the problem of other audio-visual equipment to the use of televisor.The embodiment of the invention need not be done any transformation to the televisor of a large amount of existence, only needs the transformation apparatus top box or provide independently that power supply management device just can achieve the goal, and is easy to use.
Embodiment three:
In order to solve in the prior art, provide power supply by one second load to first load, influence the operation inconvenience that other second loads bring the use of first load, the embodiment of the invention also provides a kind of electric power controller, below it is introduced:
As shown in Figure 6, this electric power controller comprises:
Control strategy module 601 is used to be provided with/obtain control strategy, determines how second load follows the tracks of the state variation of first load.In the time of specifically can being set to first load start or withdrawing from standby, second load is started shooting or is withdrawed from standby; When the first load shutdown or standby, second load shutdown or the standby.
Monitoring modular 602 is used to monitor the electric current variation of first load, to reflect the variable power of first load, can finish by adopting current transformer.
Energy supply control module 603 is used for controlling the variation of second load condition according to the state variation of first load with comparing with reference voltage after the detected current conversion and carrying out power supply control.
This energy supply control module 603 comprises:
Voltage conversion unit 604 is used for detected electric current I L is converted to voltage VL.
There is critical current I in first load, as IL〉during I, represent first load start or withdraw from standby; When IL<I, represent first load shutdown or the standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.The detected first load current IL and this resistance are multiplied each other, thereby be converted to voltage VL.
Reference voltage unit 605 is used to provide reference voltage V B, and VB is relevant with the power consumption of first load.
Voltage comparison unit 606 is used for voltage VL and reference voltage V B are compared, and when the first load shutdown or standby, the electric current I L that detects first load reduces, IL after through conversion voltage VL less than VB, output low level so; When the first load start or operate as normal, the electric current I L that detects first load increases, IL after through conversion voltage VL greater than VB, export high level so.
Control circuit 607 is used for according to comparative result and the control strategy that has been provided with/has obtained is controlled the variation of second load condition.When being output as low level, second load is shut down or is entered holding state; When being output as high level, second load is started shooting or is withdrawed from holding state.
Can utilize a K switch to come implementation strategy control, with K switch as strategic control module, as shown in Figure 7, when K switch disconnects, energy supply control module just can be implemented control to second load, when K switch is closed, second load will be in power supply state all the time, not be subjected to the control of energy supply control module.
For after first load shutdown, second load is closed after can finishing necessary processing if having time again, can add delay circuit before control circuit, and as shown in Figure 8, this electric power controller comprises:
Control strategy module 801 is used to be provided with/obtain control strategy, determines how second load follows the tracks of the state variation of first load; In the time of specifically can being set to first load start or withdrawing from standby, second load is started shooting or is withdrawed from standby; When the first load shutdown or standby, second load shutdown or the standby.
Monitoring modular 802 is used to monitor the electric current variation of first load, to reflect the variable power of first load, can finish by adopting current transformer.
Energy supply control module 803 is used for controlling the variation of second load condition according to the state variation of first load with comparing with reference voltage after the detected current conversion and carrying out power supply control.
This energy supply control module 803 comprises:
Voltage conversion unit 804 is used for detected electric current I L is converted to voltage VL.
There is critical current I in first load, as IL〉during I, represent first load start or withdraw from standby; When IL<I, represent first load shutdown or the standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.The detected first load current IL and this resistance are multiplied each other, thereby be converted to voltage VL.
Reference voltage unit 805 is used to provide reference voltage V B, and VB is relevant with the power consumption of first load.
Voltage comparison unit 806 is used for voltage VL and reference voltage V B are compared, and when the first load shutdown or standby, the electric current I L that detects first load reduces, IL after through conversion voltage VL less than VB, output low level so; When the first load start or operate as normal, the electric current I L that detects first load increases, IL after through conversion voltage VL greater than VB, export high level so.
Delay circuit 807 is used for carrying out after voltage ratio exports comparative result, postpones a period of time second load switch to be controlled, like this problem with regard to having avoided sudden power to cause again.
Control circuit 808 is used for according to comparative result and the control strategy that has been provided with/has obtained is controlled the variation of second load condition.When the first load shutdown or standby, be output as low level, second load is shut down or is entered holding state; When the first load start or operate as normal, be output as high level, second load is started shooting or is withdrawed from holding state.
Can utilize this electric power controller to realize the state variation of an above Be Controlled load tracking monitored load more than,, decide the state variation of how to follow the tracks of monitored load by concrete control strategy is set.As shown in Figure 9, this device comprises:
Monitoring modular 901 is used to monitor the electric current variation of monitored load, to reflect the variable power of monitored load, can finish by adopting current transformer.
Energy supply control module 902 is used for controlling the variation of Be Controlled load condition according to the state variation of monitored load with comparing with reference voltage after the detected current conversion and carrying out power supply control.
Strategic control module 908 is used for the user concrete control strategy is set, the state variation how load of decision Be Controlled follows the tracks of the Be Controlled load.The Be Controlled load can be set follow the tracks of the state variation of one or more monitored load simultaneously, determine the running status of Be Controlled load according to the logic operation result of monitored load condition more than two, logical operation comprises: logical and, logical OR or the combination of the two.As shown in figure 10, be a concrete Provisioning Policy, show that output OUT1 need follow the tracks of the variation of load A, output OUT2 need follow the tracks of the variation of load B and C simultaneously, and output OUT3 need follow the tracks of the variation of load A and C simultaneously.Output OUT1 need follow the tracks of the variation of load A, if A start or operate as normal, K switch 1 closure connects the load start of OUT1 so; If A shutdown or standby, K switch 1 disconnects so, connects the load shutdown of OUT1.Output OUT2 need follow the tracks of the variation of load B and load C simultaneously, if B and C both have started shooting or be in normal operating conditions, connects the load start of OUT2 so; If any one is in shutdown or holding state among B and the C, connect the load shutdown of OUT2 so.Output OUT3 need follow the tracks of the variation of load A and load C simultaneously, if A and C both have started shooting or be in normal operating conditions, connects the load start of OUT3 so; If any one is in shutdown or holding state among A and the C, connect the load shutdown of OUT3 so.If open state is corresponded to logical truth, off-mode corresponds to logical falsehood, above-mentioned relation can be expressed as with logical operation: OUT1=A, OUT2=B * C, OUT3=A * C, wherein * presentation logic with, when operation result OUT was logical truth, corresponding K switch was connected, the load start that is connected with OUT, when OUT was logical falsehood, corresponding K disconnected, the load shutdown of connection.
In the above-mentioned example, A, B, C condition are that the relation according to logical and (*) makes up, and also can use logical OR (+) to make up A, B, C.
This energy supply control module 902 comprises:
Voltage conversion unit 903, the electric current I L that is used for detecting monitored load is converted to voltage VL.
There is critical current I in monitored load, as IL〉during I, represent monitored load start or withdraw from standby; When IL<I, represent monitored load shutdown or standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.Detected monitored load current IL and this resistance are multiplied each other, thereby be converted to voltage VL.
Reference voltage unit 904 is used to provide reference voltage V B, and VB is relevant with the power consumption of monitored load.
Voltage comparison unit 905, be used for voltage VL and reference voltage V B are compared, if monitored load shutdown or standby, detected electric current I L diminishes, and the voltage VL that IL converts to is less than VB, so output low level, if monitored load is started shooting or is withdrawed from standby, detected electric current I L increases, and the voltage VL that IL converts to exports high level so greater than VB.
Single-chip microcomputer 906 is used for according to comparative result and the strategy that obtains in advance, determines the state of Be Controlled load switch.
Driving circuit 907 is used to drive the switch of Be Controlled load.
The embodiment of the invention provides a kind of electric power controller, can be after main equipment shutdown or standby, auxilliary equipment shuts down automatically or enters holding state, after main equipment start or operate as normal, assist the equipment Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the main equipment shutdown, to forget simultaneously and turned off the waste of energy that auxilliary equipment causes.The embodiment of the invention is applicable to the situation of above Be Controlled load tracking state variation of monitored load more than, can control strategy be set voluntarily by the user, the state variation how load of decision Be Controlled follows the tracks of monitored load.The embodiment of the invention need not be done any transformation to monitored load, only needs to transform the Be Controlled load or provide independently that electric power controller just can achieve the goal, and is easy to use.
Embodiment four:
In order to solve in the prior art, provide power supply by one second load to first load, influence the operation inconvenience that other second loads bring the use of first load, the embodiment of the invention also provides a kind of power-supply management system.
This power-supply management system comprises first load more than (being monitored load) and second load more than (being the Be Controlled load), also comprise power supply management device, this power supply management device has an independent existence in the power-supply management system, load is connected with Be Controlled with monitored load respectively, decides the state of Be Controlled load by the variable power of monitoring monitored load.This independently power supply management device comprise at least one primary power output interface, be connected with monitored load; Comprise at least one accessory power supply output interface, be connected with the Be Controlled load; When the output power of primary power output interface changed, the on off state of accessory power supply output interface also changed thereupon.
As shown in figure 11, this power supply management device comprises:
The first power supply output module 1101 is used to first load that power supply is provided.
Second source output module 1102 is used to the energy supply control module and second load that power supply is provided.
Control strategy module 1103 is used to be provided with/obtain control strategy, determines how second load follows the tracks of the state variation of first load; In the time of specifically can being set to first load start or withdrawing from standby, second load is started shooting or is withdrawed from standby; When the first load shutdown or standby, second load shutdown or the standby.
Monitoring modular 1104 is used to monitor the electric current variation of the first power supply output module, to reflect the variable power of first load, can finish by adopting current transformer.
Energy supply control module 1105 is used for controlling the variation of second load condition according to the state variation of first load with comparing with reference voltage after the detected current conversion and carrying out power supply control.
This energy supply control module 1105 comprises:
Voltage conversion unit 1106 is used for the electric current I L of the detected first power supply output module is converted to voltage VL.
There is critical current I in first load, as IL〉during I, represent first load start or withdraw from standby; When IL<I, represent first load shutdown or the standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.The detected first load current IL and this resistance are multiplied each other, thereby be converted to voltage VL.
Reference voltage unit 1107 is used to provide reference voltage V B, and VB is relevant with the power consumption of first load.
Voltage comparison unit 1108 is used for voltage VL and reference voltage V B are compared, when the first load shutdown or standby, detect electric current I L and reduce, IL after through conversion voltage VL less than VB, output low level so; When the first load start or operate as normal, detect electric current I L and increase, IL after through conversion voltage VL greater than VB, export high level so.
Control circuit 1109 is used for according to comparative result and the control strategy that has been provided with/has obtained is controlled the variation of second load condition.When the first load shutdown or standby, be output as low level, second load is shut down or is entered holding state; When the first load start or operate as normal, be output as high level, second load is started shooting or is withdrawed from holding state.
For fear of for after first load shutdown, second load is closed after can finishing necessary processing if having time again, can add delay circuit 1110 before control circuit 1109:
Delay circuit 1110 is used for carrying out after voltage ratio exports comparative result, postpones a period of time second load switch to be controlled, like this problem with regard to having avoided sudden power to cause again.
The embodiment of the invention provides a kind of power-supply management system, after the main equipment shutdown or standby that can be in system, auxilliary equipment shuts down automatically or enters holding state, after the main equipment start or operate as normal in system, assist the equipment Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the main equipment shutdown, to forget simultaneously and turned off the waste of energy that auxilliary equipment causes.The embodiment of the invention is applicable to the situation of above Be Controlled load tracking state variation of monitored load more than, can control strategy be set voluntarily by the user, the state variation how load of decision Be Controlled follows the tracks of monitored load.The embodiment of the invention need not be done any transformation to monitored load, only need provide independently that power supply management device just can achieve the goal, and is easy to use.
Embodiment five:
In order to solve in the prior art, provide power supply by an audio-visual equipment to display device, influence the operation inconvenience that other audio-visual equipment bring the use of display device, the embodiment of the invention also provides a kind of audio-visual equipment of built-in power management devices.
This electric power controller can be built in the audio-visual equipment, as shown in figure 12, audio-visual equipment 1210, comprise digital TV set-top box/Internet Protocol Television set-top box/DVD/ game machine etc., these audio-visual equipment are sent into simulating signal by connecting to display device 1201 (comprising televisor etc.), and built-in electric power controller 1202 comprises:
Control strategy module 1203 is used to be provided with/obtain control strategy, determines the mode that audio-visual equipment tracing display equipment state changes; In the time of specifically can being set to display device starting-up or withdrawing from standby, audio-visual equipment is started shooting or is withdrawed from standby; When display device shutdown or standby, audio-visual equipment shutdown or standby.
Monitoring modular 1204, the electric current that is used for monitoring display device changes, and with the variable power of reflection display device, can finish the circuit parameter of monitoring display device by adopting current transformer.
Energy supply control module 1205 is used for the variation according to the variation control audio-visual equipment state of display device circuit parameter, comprising:
Voltage conversion unit 1206 is used for detected display device electric current I L is converted to voltage VL.
There is critical current I in display device, as IL〉during I, represent display device starting-up or withdraw from standby; When IL<I, represent display device shutdown or standby.A fixed resistance can be set, and resistance is R.Make I and the R magnitude of voltage that obtains that multiplies each other equal reference voltage.Detected display device electric current I L and this resistance are multiplied each other, thereby be converted to voltage VL.
Reference voltage unit 1207 is used to provide reference voltage V B, and VB is relevant with the power consumption of display device.
Voltage comparison unit 1208 is used for voltage VL and reference voltage V B are compared, and when display device shutdown or standby, the electric current I L that detects display device reduces, IL after through conversion voltage VL less than VB, output low level so; When display device starting-up or operate as normal, the electric current I L that detects display device increases, IL after through conversion voltage VL greater than VB, export high level so.
Control circuit 1209 is used for the variation according to comparative result and control strategy control figure TV set-top box/Internet Protocol Television set-top box/audio-visual equipment such as DVD/ game machine.
The embodiment of the invention provides a kind of audio-visual equipment of built-in power management devices, can be after display device shutdown or standby, audio-visual equipment shuts down automatically or enters holding state, after display device starting-up or operate as normal, audio-visual equipment Auto Power On or withdraw from holding state, operate one by one without the user, easy to use, also avoid the user after the display device shutdown, to forget simultaneously and turned off the waste of energy that audio-visual equipment equipment causes.The embodiment of the invention is applicable to that an above audio-visual equipment follows the tracks of the situation of the state variation of an above display device, can control strategy be set voluntarily by the user, and decision audio-visual equipment is the state variation of tracing display equipment how.The embodiment of the invention need not be done any transformation to display device, only needs audio-visual equipment is just transformed and can be achieved the goal, and is easy to use.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection domain with claim.

Claims (37)

1, a kind of method for managing power supply is used for the system that is made of at least two loads, and wherein second load has at least two states, it is characterized in that, comprising:
Be provided with/obtain control strategy;
Monitor the circuit parameter of first load;
Control the variation of second load condition according to the variation of the circuit parameter of described control strategy and described first load.
2, method for managing power supply according to claim 1 is characterized in that, described circuit parameter reflects that first bearing power changes, and comprising: voltage, electric current.
3, method for managing power supply according to claim 1 is characterized in that, second load condition comprises: start, shutdown, standby, standby recover.
4, method for managing power supply according to claim 2 is characterized in that, the step of the circuit parameter of described monitoring first load comprises:
Monitor the electric current of first load;
The step that the variation of second load condition is controlled in described variation according to described control strategy and circuit parameter comprises:
Described current conversion is become voltage;
This voltage and reference voltage are compared;
Control the variation of second load condition according to control strategy and comparative result.
5, method for managing power supply according to claim 3 is characterized in that, described control second load condition is changed to:
Notify second load, described second load receives notice back change state.
6, method for managing power supply according to claim 3 is characterized in that, described control second load condition is changed to:
Close the power supply input of second load, make second load enter off-mode;
Open the power supply input of second load, make second load enter open state.
7, method for managing power supply according to claim 4 is characterized in that, the described step of controlling the variation of second load according to control strategy and comparative result comprises:
When described voltage during less than reference voltage, second load shutdown or the standby;
When described voltage during greater than reference voltage, the second load start or standby recover.
8, method for managing power supply according to claim 1 is characterized in that, before control second load condition changes time delay T.
9, method for managing power supply according to claim 1 is characterized in that, described first load comprises at least one monitored load; Described second load comprises at least one Be Controlled load.
10, method for managing power supply according to claim 1 is characterized in that, described control strategy is:
Determine the strategy that second load tracking, first load condition changes.
Described control strategy comprises:
Second load is set follows the tracks of the state variation of one or more first load simultaneously.
11, method for managing power supply according to claim 10 is characterized in that, described second load tracking more than two first load condition be changed to:
Determine the running status of second load according to the logic operation result of first load condition more than two.
Described logical operation comprises: logical and, logical OR or the combination of the two.
12, method for managing power supply according to claim 10 is characterized in that, the described strategy of determining that second load tracking, first load condition changes is realized by a K switch in parallel with power management module:
When K switch disconnected, second load tracking, first load condition changed;
When K switch was closed, second load was not followed the tracks of first load condition and is changed.
13, a kind of electric power controller is used for the system that is made of at least two loads, and wherein second load has at least two states, it is characterized in that, comprising:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used to monitor the circuit parameter of first load;
Energy supply control module is used for controlling according to the variation of the circuit parameter of described control strategy and described first load variation of second load condition.
14, electric power controller according to claim 13 is characterized in that, described circuit parameter reflects that first bearing power changes, and comprising: voltage, electric current.
15, electric power controller according to claim 13 is characterized in that, second load condition comprises: start, shutdown, standby, standby recover.
16, electric power controller according to claim 13 is characterized in that, described energy supply control module comprises:
Voltage conversion unit, being used for detected current conversion is voltage;
Reference voltage unit is used to provide reference voltage;
Voltage comparison unit is used for described voltage and reference voltage are compared;
Control circuit is used for controlling according to control strategy and comparative result the variation of second load condition.
17, electric power controller according to claim 16, its feature also be, before control second load condition changes time delay T.
18, electric power controller according to claim 13 is characterized in that, described first load comprises at least one monitored load, and described second load comprises at least one Be Controlled load.
19, electric power controller according to claim 13 is characterized in that, described control strategy is:
Determine the strategy that second load tracking, first load condition changes.
Described control strategy comprises:
Second load is set follows the tracks of the state variation of one or more first load simultaneously.
20, electric power controller according to claim 19 is characterized in that, described second load tracking more than two first load condition be changed to:
Determine the running status of second load according to the logic operation result of first load condition more than two.
Described logical operation comprises: logical and, logical OR or the combination of the two.
21, electric power controller according to claim 19 is characterized in that, the described strategy of determining that second load tracking, first load condition changes is realized by a K switch in parallel with power management module:
When K switch disconnected, second load tracking, first load condition changed;
When K switch was closed, second load was not followed the tracks of first load condition and is changed.
22, a kind of power-supply management system comprises first load and second load, and wherein second load has at least two states, also comprises it is characterized in that power supply management device, and described power supply management device comprises:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used to monitor the circuit parameter of first load;
Energy supply control module is used for controlling according to the variation of described strategy and the described first load circuit parameter variation of second load condition.
23, power-supply management system according to claim 22 is characterized in that, described control strategy is:
Determine the strategy that second load tracking, first load condition changes.
24, power-supply management system according to claim 22 is characterized in that, described power supply management device also comprises:
The second source output module is used to the energy supply control module and second load that power supply is provided.
25, power-supply management system according to claim 22 is characterized in that, described variation according to described strategy and the described first load circuit parameter is controlled the variation of second load condition and finished by the output of control second source output module.
26, power-supply management system according to claim 22 is characterized in that, described power supply management device also comprises:
The first power supply output module is used to first load that power supply is provided;
27, power-supply management system according to claim 22 is characterized in that, the circuit parameter of described monitoring first load obtains by the circuit parameter of monitoring the first power supply output module.
28, power-supply management system according to claim 22 is characterized in that, described circuit parameter reflects that first bearing power changes, and comprising: voltage, electric current.
29, power-supply management system according to claim 22 is characterized in that, second load condition comprises: start, shutdown, standby, standby recover.
30, power-supply management system according to claim 22 is characterized in that, described energy supply control module comprises:
Voltage conversion unit, being used for detected current conversion is voltage;
Reference voltage unit is used to provide reference voltage;
Voltage comparison unit is used for described voltage and reference voltage are compared;
Chronotron, be used for T time delay after, comparative result is sent to control circuit;
Control circuit is used for controlling according to comparative result and control strategy the variation of second load condition.
31, power-supply management system according to claim 22 is characterized in that, described second load comprises one or more Be Controlled load.
32, a kind of audio-visual equipment for display device provides signal, is characterized in that, the built-in power management devices, and this electric power controller comprises:
The control strategy module is used to be provided with/obtain control strategy;
Monitoring modular is used for the circuit parameter of monitoring display device;
Energy supply control module is used for the variation according to the variation control audio-visual equipment state of described display device circuit parameter.
33, audio-visual equipment according to claim 32 is characterized in that, described control strategy is:
Determine the strategy that audio-visual equipment tracing display equipment state changes.
34, audio-visual equipment according to claim 32 is characterized in that, the variable power of described circuit parameter reflection display device comprises: voltage, electric current.
35, audio-visual equipment according to claim 32 is characterized in that, the state of audio-visual equipment comprises: start, shutdown, standby, standby recover.
36, audio-visual equipment according to claim 32 is characterized in that, comprising: digital TV set-top box, Internet Protocol Television set-top box, DVD, game machine.
37, audio-visual equipment according to claim 32 is characterized in that, described energy supply control module comprises:
Voltage conversion unit, being used for detected current conversion is voltage;
Reference voltage unit is used to provide reference voltage;
Voltage comparison unit is used for described voltage and reference voltage are compared;
Control circuit is used for the variation according to comparative result and control strategy control audio-visual equipment state.
CNA2008101677771A 2008-10-07 2008-10-07 Power supply management method, device and system Pending CN101364095A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147968B (en) * 2010-02-06 2012-10-10 鸿富锦精密工业(深圳)有限公司 Power line communication equipment
CN102891975A (en) * 2012-09-27 2013-01-23 深圳创维-Rgb电子有限公司 TV and startup and standby control circuit thereof
CN103845893A (en) * 2012-12-03 2014-06-11 联想(北京)有限公司 Power source control method and electronic equipment
WO2015051600A1 (en) * 2013-10-10 2015-04-16 深圳Tcl新技术有限公司 Standby management method and television
CN115119059A (en) * 2021-03-22 2022-09-27 成都品为道电子技术有限公司 Method and device for turning on and turning off set top box, set top box and storage medium

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102147968B (en) * 2010-02-06 2012-10-10 鸿富锦精密工业(深圳)有限公司 Power line communication equipment
CN102891975A (en) * 2012-09-27 2013-01-23 深圳创维-Rgb电子有限公司 TV and startup and standby control circuit thereof
CN102891975B (en) * 2012-09-27 2015-10-14 深圳创维-Rgb电子有限公司 A kind of television set and start thereof and readiness control circuit
CN103845893A (en) * 2012-12-03 2014-06-11 联想(北京)有限公司 Power source control method and electronic equipment
CN103845893B (en) * 2012-12-03 2018-08-10 联想(北京)有限公司 A kind of power control method and electronic equipment
WO2015051600A1 (en) * 2013-10-10 2015-04-16 深圳Tcl新技术有限公司 Standby management method and television
CN115119059A (en) * 2021-03-22 2022-09-27 成都品为道电子技术有限公司 Method and device for turning on and turning off set top box, set top box and storage medium

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