CN202197147U - Electrical appliance and control circuit thereof - Google Patents
Electrical appliance and control circuit thereof Download PDFInfo
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- CN202197147U CN202197147U CN2011203582735U CN201120358273U CN202197147U CN 202197147 U CN202197147 U CN 202197147U CN 2011203582735 U CN2011203582735 U CN 2011203582735U CN 201120358273 U CN201120358273 U CN 201120358273U CN 202197147 U CN202197147 U CN 202197147U
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Abstract
The utility model discloses an electrical appliance and a control circuit thereof. The control circuit of the electrical appliance comprises a switch circuit, a main power supply, an auxiliary power supply, a main chip and a power supply switching circuit. The main power supply is connected with a mains supply through the switch circuit and used for obtaining electricity during closing of the switch circuit and losing electricity during opening of the switch circuit, the main chip is connected with the switch circuit and used for controlling the switch circuit to be opened during standby of the electrical appliance and controlling the switch circuit to be closed during start-up of the electrical appliance, a first end of the power supply switching circuit is connected with the main power supply, a second end of the power supply switching circuit is connected with the auxiliary power supply, a third end of the power supply switching circuit is connected with the main chip, and the power supply switching circuit is used for controlling the auxiliary power supply to supply power to the main chip and disconnecting the main power supply and the main chip during opening of the switch circuit and controlling the main power supply to supply power to the main chip during closing of the switch circuit. The control circuit can reduce power consumption to near zero watt during standby of the electrical appliance and avoid energy waste during the standby of the electrical appliance.
Description
Technical field
The utility model relates to appliance field, in particular to a kind of electrical equipment and control circuit thereof.
Background technology
Idling consumption is the very important problem of electrical equipment always.The most of Industrial Frequency Transformer that uses of present air-conditioning is supplied power to control board.Use the linear power supply of Industrial Frequency Transformer to have reliability height, circuit characteristic of simple, but linear power supply efficient is low, stand-by power consumption is big, idling consumption has caused a large amount of energy wastes.
The big problem of energy consumption when also there is standby in other electrical equipment.
State Council had once started " energy-saving and emission-reduction, the whole people action " in 2007, continuous " energy-saving and emission-reduction " authentication center that gets the bid afterwards takes the lead again and carries out " 1W plan " in the whole nation, and the core content of " 1W plan " is exactly the stand-by power consumption of minimizing circuit arrangement.Country pays much attention to the standby energy consumption problem of electrical equipment, but does not still have effective method to contain this meaningless energy waste so far.
To the big problem of electric appliance standby energy consumption in the correlation technique, effective solution is not proposed as yet at present.
The utility model content
The main purpose of the utility model is to provide a kind of electrical equipment and control circuit thereof, to solve the big problem of electric appliance standby energy consumption.
To achieve these goals, an aspect according to the utility model provides a kind of electrical apparatus control circuit.
Electrical apparatus control circuit according to the utility model comprises: switching circuit; Main power source is connected with civil power via switching circuit, be used for when the switching circuit conducting, getting electric, dead electricity when switching circuit breaks off; Accessory power supply; Master chip is connected with switching circuit, is used for when electric appliance standby, and the control switch circuit breaks off, when electrical equipment is started shooting, and the control switch circuit turn-on; And power supply switch circuit; First end is connected with main power source, and second end is connected with accessory power supply, and the 3rd end is connected with master chip; Be used for when switching circuit breaks off; The control accessory power supply is to master chip power supply and break off being connected of main power source and master chip, and when the switching circuit conducting, controls main power source and supply power to master chip.
Further, this electrical apparatus control circuit also comprises: signal receiving device is connected with master chip; Be used for when electric appliance standby, receiving the start control signal, the start control signal is used for the control apparatus start, wherein; Master chip also is used for when signal receiving device receives the start control signal, the control switch circuit turn-on, and power supply switch circuit comprises control unit; This control unit is used for when switching circuit breaks off; The control accessory power supply is supplied power to signal receiving device, and when the switching circuit conducting, the control main power source is to signal receiving device and master chip power supply.
Further, this electrical apparatus control circuit also comprises: first voltage detecting circuit, and first end is connected with accessory power supply, and second end is connected with master chip, is used to detect the voltage of accessory power supply; And charging circuit, first end is connected to first node, and first node is the node between main power source and the power supply switch circuit; Second end is connected with accessory power supply; The 3rd end is connected with master chip, is used to utilize main power source that accessory power supply is charged, wherein; Master chip comprises comparing unit; This comparing unit is used for the size of the voltage and the predeterminated voltage of comparison accessory power supply, and at the voltage of accessory power supply during less than predeterminated voltage, the control switch circuit turn-on is also controlled charging circuit accessory power supply is charged.
Further, power supply switch circuit comprises: second voltage detecting circuit, first end is connected with main power source, be used to detect main power source whether electric, second end is used for getting at main power source exports first level when electric, when the main power source dead electricity, exports second level; Negative circuit, first end is connected with second end of second voltage detecting circuit, is used for the level inversion with the output of second voltage detecting circuit; First switching tube; First end is connected with second end of negative circuit, and second end is connected with main power source, and the 3rd end is connected with master chip; Be used for conducting when second voltage detecting circuit is exported first level, when second voltage detecting circuit is exported second level, turn-off; And second switch pipe; First end is connected with second end of second voltage detecting circuit, and second end is connected with accessory power supply, and the 3rd end is connected with master chip; Be used for when second voltage detecting circuit is exported first level, turn-offing conducting when second voltage detecting circuit is exported second level.
Further, negative circuit comprises: first resistance, and first end is connected with second voltage detecting circuit; Second resistance, first end connects DC power supply; And the 3rd switching tube, first end is connected with second end of first resistance, and second end of the 3rd switching tube is connected with second end of second resistance; The 3rd end ground connection; Wherein, between second resistance and the 3rd switching tube, be provided with Section Point, Section Point is used to connect first switching tube.
Further, switching circuit comprises: relay, and first end connects civil power, and second end connects main power source; And drive circuit, first end is connected with the 3rd end of relay, and second end is connected with master chip, is used to drive the conducting and the disconnection of relay.
Further, this electrical apparatus control circuit also comprises: the dead electricity that auxiliary switch, and switching circuit is parallel between civil power and the main power source, is used to receive the switch controlling signal of user's input, switch controlling signal are used to control main power source with.
To achieve these goals, according to the utility model on the other hand, a kind of electrical equipment is provided.
Electrical equipment according to the utility model comprises any electrical apparatus control circuit that the utility model provides.
Through the utility model, adopt to comprise electrical apparatus control circuit: switching circuit with the lower part; Main power source is connected with civil power via switching circuit; Accessory power supply; Master chip is connected with switching circuit; And power supply switch circuit, first end is connected with main power source, and second end is connected with accessory power supply; The 3rd end is connected with master chip, and wherein, master chip is when electric appliance standby; The control switch circuit breaks off; At this moment, the main power source dead electricity, accessory power supply is to master chip power supply and break off being connected of main power source and master chip; When master chip was started shooting at electrical equipment, the control switch circuit switched to conducting state, and at this moment, main power source gets; Main power source is supplied power to master chip, the big problem of power consumption when having solved electric appliance standby, and then the power consumption when having reduced electric appliance standby, energy waste when having reduced electric appliance standby; And when master chip was supplied power, the disconnection main power source was connected with master chip at accessory power supply; Make accessory power supply when master chip is supplied power, electric current can not flow to main power source, thereby can on main power circuit, not form waste of energy; Further improve the service time of accessory power supply, reduced the energy consumption of accessory power supply, thereby also realized the more standby purpose of low energy consumption indirectly.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the electrical apparatus control circuit of the utility model first embodiment;
Fig. 2 is the schematic diagram according to the electrical apparatus control circuit of the utility model second embodiment;
Fig. 3 is the schematic diagram according to the power supply switch circuit of the utility model embodiment;
Fig. 4 is the schematic diagram according to the negative circuit of the utility model embodiment;
Fig. 5 is the flow chart according to the electric control method of the utility model embodiment; And
Fig. 6 is the block diagram according to the electric apparatus control apparatus of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
At first introduce the electrical equipment that this embodiment provides.
This electrical equipment comprises a kind of electrical apparatus control circuit, adopts after this electrical apparatus control circuit, and electrical equipment utilizes accessory power supply that master chip is supplied power when standby, the power consumption in the time of can reducing electric appliance standby.Wherein, the embodiment of this electrical apparatus control circuit is described below.
Next introduces the electrical apparatus control circuit that this embodiment provides.
Fig. 1 is the schematic diagram according to the electrical apparatus control circuit of the utility model embodiment, and is as shown in Figure 1, and this circuit comprises: switching circuit 10; Main power source 20; Being connected with civil power via switching circuit 10, is the equipment that civil power is transformed into the needed DC power supply of electric equipment work, can be Switching Power Supply or linear power supply; Be used for when switching circuit 10 conductings, getting electric, dead electricity when switching circuit 10 breaks off; Accessory power supply 30 can be energy storage equipments such as lithium battery or super capacitor; Master chip 40 is connected with switching circuit 10, and the function through programming realization equipment is generally microprocessor, is used for when electric appliance standby, and control switch circuit 10 switches to off-state, and when electrical equipment was started shooting, control switch circuit 10 switched to conducting state; And power supply switch circuit 50; First end is connected with main power source 20, and second end is connected with accessory power supply 30, and the 3rd end is connected with master chip 40; Be used for when switching circuit 10 breaks off; Control accessory power supply 30 is to master chip 40 power supply and break off being connected of main power source and master chip, and when switching circuit 10 conductings, control main power source 20 is supplied power to master chip 40.
In this embodiment, during electric appliance standby, master chip 40 control switch circuit 10 break off, and electrical equipment and civil power break off fully, and main power source 20 is not charged, thereby has realized zero watt standby.During zero watt of standby; It is not charged that power supply switch circuit 50 detects main power source 20, controls accessory power supply 30 in view of the above to master chip 40 power supplies, and main power source 20 is separated by power supply switch circuit 50; Reduce the loss of accessory power supply 30, can use the power supply of the accessory power supply 30 realization master chips 40 of small dimension.When electrical equipment is started shooting, 10 conductings of master chip 40 control switch circuit, main power source 20.During normal boot-strap, it is charged that power supply switch circuit 50 detects main power source 20, controls main power source 20 in view of the above to master chip 40 power supplies.Adopt the electrical apparatus control circuit of this embodiment, can realize almost zero watt standby, the power consumption when having reduced electric appliance standby, energy waste when having reduced electric appliance standby.
Wherein, the start of electrical equipment control can be by the user through the long-range transmission start of control terminal control signal, and signal receiving device is accepted and should the start control signal be realized.
Fig. 2 is the schematic diagram according to the electrical apparatus control circuit of the utility model second embodiment, and is as shown in Figure 2, and this circuit comprises: relay 11; Be preferably magnetic latching relay, first end connects civil power, and second end connects main power source 20; And drive circuit 12, can use special driving chip ULN2003, the drive circuit of perhaps forming by common triode; First end is connected with the 3rd end of relay 11; Second end is connected with master chip 40, is used to drive the conducting and the disconnection of relay 11, and this relay 11 constitutes switching circuit 10 with drive circuit 12; Main power source 20; Accessory power supply 30; Master chip 40; Power supply switch circuit 50; Signal receiving device 60 can be infrared receiving terminal or wireless receiver, is connected with master chip 40; Be used for receiving the start control signal, this start control signal is used for the control apparatus start, wherein; Master chip 40 also is used for when signal receiving device 60 receives the start control signal; 10 conductings of control switch circuit, power supply switch circuit 50 also are used for when switching circuit 10 breaks off, and control accessory power supply 30 is to signal receiving device 60 power supplies; When switching circuit 10 conductings, control main power source 20 is to signal receiving device 60 and master chip 40 power supplies.
In this embodiment, signal receiving device 60 by accessory power supply 30 power supplies, therefore can receive the start control signal when standby when standby.After signal receiving device 60 receives the start control signal; Master chip 40 control Driver Circuit 12 drive relay 11 conductings; It is charged that while power supply switch circuit 50 detects main power source 20, controls main power source 20 in view of the above to signal receiving device 60 and master chip 40 power supplies.Adopt the electrical apparatus control circuit of this embodiment; Can be when reducing the electric appliance standby power consumption; Signal receiving device 60 receives the start control signal of remote controller or the transmission of other control terminals; Thereby the remote-controlled start-up when having realized zero watt of standby, mode of operation and traditional operation mode do not have difference, are easy to the user and accept.
When electric appliance standby, can be in order to guarantee accessory power supply 30 effectively to the master chip power supply, preferably; This electrical apparatus control circuit also comprises: first voltage detecting circuit 70; First end is connected with accessory power supply 30, and second end is connected with master chip 40, is used to detect the voltage of accessory power supply 30; And charging circuit 80; First end is connected to first node, and first node is the node between main power source 20 and the power supply switch circuit 50, and second end is connected with accessory power supply 30; The 3rd end is connected with master chip 40; Be used to utilize 30 chargings of 20 pairs of accessory power supplys of main power source, wherein, master chip 40 is used for the size of the voltage and the predeterminated voltage of comparison accessory power supply 30; And at the voltage of accessory power supply 30 during less than predeterminated voltage, 30 chargings of 80 pairs of accessory power supplys of charging circuit are also controlled in the control relay conducting.
Wherein, charging circuit 80 can be and accessory power supply 30 corresponding circuit, be made up of special charging managing chip, resistance and electric capacity such as the charging circuit of lithium battery.Switching circuit, bleeder circuit and TL431 and amplifying circuit that first voltage detecting circuit 70 is made up of metal-oxide-semiconductor are formed.
Under the situation that main power source 20 cuts off the power supply always, accessory power supply 30 can not exhausted because there is electric energy to replenish, and the voltage of accessory power supply 30 can slowly reduce; Adopt this preferred implementation, detect the voltage of accessory power supply 30 in real time, at the voltage of accessory power supply 30 during less than predeterminated voltage; Promptly when detecting when under-voltage; Master chip 40 control Driver Circuit 12 drive relay 11 and are transformed into conducting state, make 80 pairs of accessory power supplys of charging circuit 30 charge, and have guaranteed the operate as normal of electrical equipment.
When accessory power supply 30 breaks down, when maintenance or in particular cases at other, need be by main power source 20 power supplies when electric appliance standby.In order to satisfy this demand; Preferably, this electrical apparatus control circuit also comprises: auxiliary switch 90 can be a push-button switch; And switching circuit 10 is parallel between civil power and the main power source 20; Parallelly connected with relay 11 in Fig. 2, be used to receive the switch controlling signal that the user imports, switch controlling signal is used to control the dead electricity of main power source 20 and get.
Adopt this preferred implementation, can when electric appliance standby, artificially connect auxiliary switch 90, the supply power mode when making electric appliance standby is more flexible.
In Fig. 1 and embodiment shown in Figure 2, also comprise other circuit that need supply power except that master chip and signal receiving device in the electrical apparatus control circuit, these circuit can inevitable consumed power when electric.Therefore, when electrical equipment was started shooting, these circuit were supplied power by main power source; When standby, direct and main power source breaks off, and is in complete power failure state, and power consumption is 0.As shown in Figure 2; Other circuit 00 are connected with main power source 20; Be connected via power supply switch circuit 50 with accessory power supply 30, when main power source 20 dead electricity, master chip 40 were supplied power by accessory power supply 30, power supply switch circuit 50 separated accessory power supply 30 and other circuit 00; To other circuit 00 power supplies, other circuit 00 are not in power failure state fully.
Fig. 3 is the schematic diagram according to the power supply switch circuit of the utility model embodiment; As shown in Figure 3; Power supply switch circuit 50 comprises: second voltage detecting circuit, 51, the first ends are connected with main power source 20, whether are used to detect main power source 20; Second end be used for main power source 20 export first level when electric, when main power source 20 dead electricity, export second level; Negative circuit 52, the first ends are connected with second end of second voltage detecting circuit 51, are used for the level inversion with 51 outputs of second voltage detecting circuit; First switching tube 53; First end is connected with second end of negative circuit 52, and second end is connected with main power source 20, and the 3rd end is connected with master chip 40; Be used for conducting when second voltage detecting circuit, 51 outputs, first level, when second voltage detecting circuit, 51 outputs, second level, turn-off; And second switch pipe 54; First end is connected with second end of second voltage detecting circuit 51; Second end is connected with accessory power supply 30; The 3rd end is connected with master chip 40, is used for when second voltage detecting circuit, 51 outputs, first level, turn-offing conducting when second voltage detecting circuit, 51 outputs, second level.
In this embodiment, second voltage detecting circuit 51 can be made up of switching circuit, bleeder circuit and TL431 and amplifying circuit that metal-oxide-semiconductor is formed, main power source 20 electricly export different level during with dead electricity.Below with main power source 20 when electric, second end output high level of second voltage detecting circuit 51 is during main power source 20 dead electricity; The second end output low level of second voltage detecting circuit 51, correspondingly, it is example that first switching tube 53 is the N-channel MOS pipe with second switch pipe 54; The concrete course of work of this power supply switch circuit is described; Wherein, first switching tube 53 is N-MOSFET1, and second switch pipe 54 is N-MOSFET2:
Main power source 20 when electric; Second voltage detecting circuit, 51 output high level, driving N-MOSFET2 ends, and the high level of second voltage detecting circuit, 51 outputs is through negative circuit 52 anti-phases; Driving N-MOSFET1 conducting, main power source 20 are given master chip 40, information receiver 60 and 00 power supply of other circuit;
During main power source 20 dead electricity; Second voltage detecting circuit, 51 output low levels, driving N-MOSFET2 conducting, the low level of second voltage detecting circuit, 51 outputs is through negative circuit 52 anti-phases; Driving N-MOSFET1 ends; Accessory power supply 30 is given chip and master chip 40 and information receiver 60 power supplies, other circuit 00 complete dead electricity, thus realized the power supply automatic switching function.
In like manner, second end of second voltage detecting circuit 51 main power source 20 can output low level when electric, when main power source 20 dead electricity, can export high level, correspondingly, first switching tube 53 is the P channel MOS tube with second switch pipe 54.
Wherein, negative circuit adopts circuit as shown in Figure 4.This negative circuit comprises: first resistance R, 1, the first end is input in, is connected with second voltage detecting circuit; Second resistance R, 2, the first ends connect DC power supply VCC; And the 3rd switching tube X2, first end is connected with second end of first resistance R 1, and second end of the 3rd switching tube X2 is connected with second end of second resistance R 2; The 3rd end ground connection 0 wherein, is provided with Section Point between second resistance and the 3rd switching tube; Section Point is the output out of this negative circuit, is used to connect first switching tube, adopts this negative circuit; Can be when input in input high level, in output out output low level; When input in input low level,, realize inverter functionality at output out output high level.
Adopt power supply switch circuit shown in Figure 3, the course of work of electrical apparatus control circuit when standby is: master chip drives relay and breaks off the main power source dead electricity.Power supply switch circuit detects main power voltage and descends; The drive signal upset of N-MOSFET1 and N-MOSFET2; N-MOSFET1 is converted into by conducting and ends; And N-MOSFET2 converts conducting into by ending, and this moment, master chip and signal receiving device were supplied power by accessory power supply, and N-MOSFET1 has stoped other circuit of accessory power supply current direction electrical equipment; The course of work of electrical apparatus control circuit when start is: signal receiving device is received starting-up signal, and master chip drives the relay conducting, and other circuit of main power source and electrical equipment gets.When main power voltage rises; The drive signal upset of N-MOSFET1 and N-MOSFET2; N-MOSFET is by by converting conducting into, and N-MOSFET2 is converted into by conducting and ends, and this moment, equipment master chip and signal receiving device were supplied power by main power source; N-MOSFET2 prevention main power source is connected with accessory power supply, has protected accessory power supply.Go to zero watt thereby the electric appliance standby power consumption dropped to, the energy waste during the containment electric appliance standby, and when zero watt of standby, realize remote-controlled start-up.
The 3rd introduces the electric control method that this embodiment provides.
Fig. 5 is the flow chart according to the electric control method of the utility model embodiment, and is as shown in Figure 5, and this method comprises that following step S102 is to step S106:
Step S102; Detect the state of electrical equipment, comprise holding state and open state.When electrical equipment is in holding state, execution in step S104, when electrical equipment is in open state, execution in step S106.
Step S104; When electric appliance standby, the main power source dead electricity of control apparatus, and the accessory power supply of control apparatus is to the master chip power supply of electrical equipment.
Wherein, main power source is connected with civil power, is the equipment that civil power is transformed into the needed DC power supply of electric equipment work, can be Switching Power Supply or linear power supply; Accessory power supply is to be energy storage equipments such as lithium battery or super capacitor.
Step S106: when electrical equipment was started shooting, the switching circuit of control apparatus switched to conducting state, so that main power source gets is electric, and the main power source of control apparatus is to the master chip power supply of electrical equipment.
The electric control method that adopts this embodiment to provide, electric appliance standby adopts different power supply power supplies with when start.When electric appliance standby, electrical equipment and civil power break off fully, thereby have reduced the standby energy consumption of electrical equipment, the energy waste when effectively having reduced standby.
Can remote-controlled start-up when realizing electric appliance standby, preferably, step S104 comprises:
S1041: when electric appliance standby, the main power source dead electricity of control apparatus, and the accessory power supply of control apparatus is to the signal receiving device power supply of the master chip and the electrical equipment of electrical equipment;
S1042: signal receiving device receives the start control signal, and the start control signal is used for the control apparatus start;
S1043: receive start during control signal at signal receiving device, the switching circuit of control apparatus switches to conducting state, so that main power source gets is electric, and the main power source of control apparatus is supplied power to master chip and signal receiving device.
Adopt this preferred implementation, when electric appliance standby, signal receiving device is supplied power by accessory power supply; Therefore when standby, can receive the start control signal; Remote-controlled start-up in the time of can realizing zero watt of standby, and mode of operation do not have difference with the traditional operation mode, is easy to user's acceptance.
When electric appliance standby, can preferably, in the electric control method shown in Figure 5, behind step S104, also comprise effectively to the master chip power supply in order to guarantee accessory power supply:
Step S108: the voltage that detects accessory power supply.
Step S110: whether the voltage of judging accessory power supply less than predeterminated voltage, at the voltage of accessory power supply during less than predeterminated voltage, and execution in step S112, otherwise return step S108.
Step S112: the control switch circuit switches to conducting state, so that main power source gets is electric, and the charging circuit of control apparatus utilizes main power source that accessory power supply is charged.
Under the situation that main power source cuts off the power supply always, accessory power supply can not exhausted because there is electric energy to replenish, and the voltage of accessory power supply can slowly reduce; Adopt this preferred implementation, detect the voltage of accessory power supply in real time, at the voltage of accessory power supply during less than predeterminated voltage; The control switch circuit switches to conducting state; So that main power source gets is electric, and the charging circuit of control apparatus utilizes main power source that accessory power supply is charged, and guaranteed the operate as normal of electrical equipment.
Introduce the electric apparatus control apparatus that this embodiment provides at last.
Fig. 6 is the block diagram according to the electric apparatus control apparatus of the utility model embodiment, and is as shown in Figure 6, and this control device comprises: first detection module 100 is used to detect the state of electrical equipment; First control module 200 is used for when electric appliance standby, the main power source dead electricity of control apparatus, and the accessory power supply of control apparatus is to the master chip power supply of electrical equipment; And second control module 300, being used for when electrical equipment is started shooting, the switching circuit of control apparatus switches to conducting state, so that main power source gets is electric, and the main power source of control apparatus is to the master chip power supply of electrical equipment.
The electric apparatus control apparatus that adopts this embodiment to provide through the state of first detection module 100 electricity measurers, adopts different power supply power supplies in electric appliance standby and when start.When electric appliance standby, the accessory power supply of first control module, 200 electrical equipment control electrical equipment breaks off electrical equipment and civil power fully, thereby has reduced the standby energy consumption of electrical equipment, the energy waste when effectively having reduced standby to the master chip power supply of electrical equipment.
Can remote-controlled start-up when realizing electric appliance standby; Preferably, first control module 200 comprises: the first control submodule is used for when electric appliance standby; The main power source dead electricity of control apparatus, and the accessory power supply of control apparatus is to the signal receiving device power supply of the master chip and the electrical equipment of electrical equipment; And the second control submodule, being used for receiving start during control signal at signal receiving device, the switching circuit of control apparatus switches to conducting state, so that main power source gets is electric, and the main power source of control apparatus is supplied power to master chip and signal receiving device.
Adopt this preferred implementation; When electric appliance standby; Therefore the accessory power supply of the first control submodule control apparatus can receive the start control signal to the signal receiving device power supply of the master chip and the electrical equipment of electrical equipment when standby, the remote-controlled start-up in the time of can realizing zero watt of standby; And mode of operation and traditional operation mode do not have difference, are easy to the user and accept.
When electric appliance standby, can be in order to guarantee accessory power supply effectively to the master chip power supply, preferably, this control device also comprises: second detection module, be used at accessory power supply when master chip is supplied power, detect the voltage of accessory power supply; Comparison module is used for the size of the voltage and the predeterminated voltage of comparison accessory power supply; And the 3rd control module, when being used for voltage at accessory power supply less than predeterminated voltage, the control switch circuit switches to conducting state, so that main power source gets is electric, and the charging circuit of control apparatus utilizes main power source that accessory power supply is charged.
Adopt this preferred implementation; Second detection module detects the voltage of accessory power supply in real time; During less than predeterminated voltage, the 3rd control module control switch circuit switches to conducting state, so that main power source gets at the voltage of accessory power supply; And the charging circuit of control apparatus utilizes main power source that accessory power supply is charged, and guaranteed the operate as normal of electrical equipment.
From above description, can find out that the utility model has been realized following technique effect: can the standby energy consumption of electric equipment be dropped to and go to zero watt the energy waste in the time of can effectively containing standby, the pressure of energy shortage and serious.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (8)
1. an electrical apparatus control circuit is characterized in that, comprising:
Switching circuit;
Main power source is connected with civil power via said switching circuit, be used for when said switching circuit conducting, getting electric, dead electricity when said switching circuit breaks off;
Accessory power supply;
Master chip is connected with said switching circuit, is used for when said electric appliance standby, controls said switching circuit and breaks off, and when said electrical equipment is started shooting, controls said switching circuit conducting; And
Power supply switch circuit, first end is connected with said main power source, and second end is connected with said accessory power supply; The 3rd end is connected with said master chip; Be used for when said switching circuit breaks off, controlling said accessory power supply and supplying power, and break off being connected of said main power source and said master chip to said master chip; And when said switching circuit conducting, control said main power source and supply power to said master chip.
2. electrical apparatus control circuit according to claim 1 is characterized in that, also comprises:
Signal receiving device is connected with said master chip, is used for when said electric appliance standby, receiving the start control signal, and said start control signal is used to control said electrical equipment start,
Wherein, said master chip also is used for when said signal receiving device receives said start control signal, controlling said switching circuit conducting,
Said power supply switch circuit comprises control unit; Said control unit is used for when said switching circuit breaks off; Control said accessory power supply and supply power, when said switching circuit conducting, control said main power source to said signal receiving device and the power supply of said master chip to said signal receiving device.
3. electrical apparatus control circuit according to claim 1 is characterized in that, also comprises:
First voltage detecting circuit, first end is connected with said accessory power supply, and second end is connected with said master chip, is used to detect the voltage of said accessory power supply; And
Charging circuit, first end is connected to first node, and said first node is the node between said main power source and the said power supply switch circuit; Second end is connected with said accessory power supply; The 3rd end is connected with said master chip, is used to utilize said main power source that said accessory power supply is charged
Wherein, Said master chip comprises comparing unit; Said comparing unit is used for the size of the voltage and the predeterminated voltage of more said accessory power supply; And at the voltage of said accessory power supply during, control said switching circuit conducting and control said charging circuit said accessory power supply is charged less than said predeterminated voltage.
4. electrical apparatus control circuit according to claim 1 is characterized in that, said power supply switch circuit comprises:
Second voltage detecting circuit, first end is connected with said main power source, be used to detect said main power source whether electric, second end is used for getting at said main power source exports first level when electric, when said main power source dead electricity, exports second level;
Negative circuit, first end is connected with second end of said second voltage detecting circuit, is used for the level inversion with said second voltage detecting circuit output;
First switching tube; First end is connected with second end of said negative circuit; Second end is connected with said main power source; The 3rd end is connected with said master chip, is used for conducting when said second voltage detecting circuit is exported first level, when said second voltage detecting circuit is exported second level, turn-offs; And
The second switch pipe; First end is connected with second end of said second voltage detecting circuit; Second end is connected with said accessory power supply; The 3rd end is connected with said master chip, is used for when said second voltage detecting circuit is exported first level, turn-offing conducting when said second voltage detecting circuit is exported second level.
5. electrical apparatus control circuit according to claim 4 is characterized in that, said negative circuit comprises:
First resistance, first end is connected with said second voltage detecting circuit;
Second resistance, first end connects DC power supply; And
The 3rd switching tube, first end is connected with second end of said first resistance, and second end of said the 3rd switching tube is connected with second end of said second resistance, the 3rd end ground connection,
Wherein, between said second resistance and said the 3rd switching tube, be provided with Section Point, said Section Point is used to connect said first switching tube.
6. electrical apparatus control circuit according to claim 1 is characterized in that, said switching circuit comprises:
Relay, first end connects civil power, and second end connects said main power source; And
Drive circuit, first end is connected with the 3rd end of said relay, and second end is connected with said master chip, is used to drive the conducting and the disconnection of said relay.
7. electrical apparatus control circuit according to claim 1 is characterized in that, also comprises:
The dead electricity that auxiliary switch, and said switching circuit is parallel between civil power and the said main power source, is used to receive the switch controlling signal of user's input, said switch controlling signal are used to control said main power source with.
8. an electrical equipment is characterized in that, comprises each described electrical apparatus control circuit in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203582735U CN202197147U (en) | 2011-09-22 | 2011-09-22 | Electrical appliance and control circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203582735U CN202197147U (en) | 2011-09-22 | 2011-09-22 | Electrical appliance and control circuit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202197147U true CN202197147U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203582735U Expired - Lifetime CN202197147U (en) | 2011-09-22 | 2011-09-22 | Electrical appliance and control circuit thereof |
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| Country | Link |
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| CN (1) | CN202197147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
| CN104252840A (en) * | 2014-09-11 | 2014-12-31 | 天津三星电子有限公司 | Driving circuit |
| CN104810915A (en) * | 2014-01-27 | 2015-07-29 | 施耐德电器工业公司 | Safe electrical power-supply system |
-
2011
- 2011-09-22 CN CN2011203582735U patent/CN202197147U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
| CN104810915A (en) * | 2014-01-27 | 2015-07-29 | 施耐德电器工业公司 | Safe electrical power-supply system |
| CN104810915B (en) * | 2014-01-27 | 2018-12-07 | 施耐德电器工业公司 | Safe power supply system |
| CN104252840A (en) * | 2014-09-11 | 2014-12-31 | 天津三星电子有限公司 | Driving circuit |
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Granted publication date: 20120418 |