CN203084538U - Electrical equipment and control device thereof - Google Patents

Electrical equipment and control device thereof Download PDF

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Publication number
CN203084538U
CN203084538U CN201320083819XU CN201320083819U CN203084538U CN 203084538 U CN203084538 U CN 203084538U CN 201320083819X U CN201320083819X U CN 201320083819XU CN 201320083819 U CN201320083819 U CN 201320083819U CN 203084538 U CN203084538 U CN 203084538U
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China
Prior art keywords
power supply
control
circuit
output terminal
switching tube
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CN201320083819XU
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Chinese (zh)
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周建建
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The utility model discloses a control device of electrical equipment. A first power supply, a second power supply and a third power supply are arranged; the power of the first power supply is lower than that of the third power supply; the second power supply is formed by connecting a plurality of super capacitors in series; and when the electrical equipment enters a low-power-consumption mode, a main control chip is used for cutting off the connection between the third power supply and the power supply through a second switch circuit, and controlling the first power supply and the second power supply to supply power alternatively by using a first switch circuit and a switching circuit. Due to the adoption of the control device disclosed by the utility model, the power consumption of the electrical equipment is lowered effectively; and meanwhile, the control device has the advantages of safety, environmental friendliness and long service life. The utility model further discloses electrical equipment provided with the control device.

Description

A kind of electric equipment and control device thereof
Technical field
The utility model belongs to electric equipment control technology field, relates in particular to a kind of electric equipment and control device thereof.
Background technology
Along with the raising of development of science and technology and people's living standard, increasing electric equipment appears in people's life, as air-conditioning and TV.These electric equipments all have low-power consumption mode usually, as park mode and standby mode.
At present, how electric equipment is mainboard (mainly comprising main control chip) power supply by Switching Power Supply when low-power consumption mode, and Switching Power Supply can reach more than 90% at work limitation rate height, but under light condition, the efficient of Switching Power Supply is lower.Therefore, can produce when electric equipment is in low-power consumption mode, how reduce the power consumption of electric equipment when low-power consumption mode, become those skilled in the art's problem demanding prompt solution than lossy.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of electric equipment and control device thereof, can reduce the power consumption of electric equipment when low-power consumption mode.
For achieving the above object, the utility model provides following technical scheme:
A kind of control device of electric equipment comprises: first power supply, second source, the 3rd power supply, main control chip, first on-off circuit, second switch circuit and commutation circuit, and the power of described first power supply is less than the power of described the 3rd power supply;
The input end of described first power supply is connected to power supply, the output terminal of described first power supply is connected to the first input end of described commutation circuit, simultaneously, the control end of described first power supply is connected with described main control chip, and the control signal that responds described main control chip enters operational mode or park mode;
Described second source comprises the farad capacitor of a plurality of series connection, and first end of described second source is connected to the output terminal of described first power supply by described first on-off circuit, and first end of described second source is connected to second input end of described commutation circuit simultaneously;
The control end of described first on-off circuit is connected with described main control chip;
The output terminal of described commutation circuit is connected to the power end of described main control chip, when described first power supply is in operational mode, be communicated with the output terminal of described first power supply and the power end of described main control chip, when described first power supply is in park mode, be communicated with the output terminal of described second source and the power end of described main control chip;
The input end of described the 3rd power supply is connected to power supply by described second switch circuit, and the output terminal of described the 3rd power supply is connected to the load of described electric equipment, and the control end of described second switch circuit is connected with described main control chip;
After described electric equipment enters low-power consumption mode, described main control chip is controlled described second switch circuit and is turn-offed, control described first power supply and second source interleaved power, when described second source is powered, described main control chip is controlled described first power supply and is entered park mode, when described main control chip enters operational mode at described first power supply of control, control the described first on-off circuit conducting.
Preferably, in the control device of above-mentioned electric equipment, described first power supply comprises:
First power supply chip;
Be connected with described first power supply chip, the control that responds described first power supply chip is transformed to peripheral circuit with the adaptive direct supply of described electric equipment with described power supply, and described peripheral circuit comprises transformer;
Receive the operation control signal and the dormant control signal of described main control chip output and handle, operation control signal after handling is transferred to first control end of described first power supply chip, the dormant control signal after handling is transferred to the signal processing circuit of second control end of described first power supply chip.
Preferably, in the control device of above-mentioned electric equipment, first power supply chip is LinkZero-AX series or LinkZero-LP series power supply chip, and described signal processing circuit comprises first photoelectrical coupler, second photoelectrical coupler, first switching tube and second switch pipe;
The first input end of described first photoelectrical coupler is connected to the output terminal of described commutation circuit, second input end is connected to the dormant control signal output terminal of described main control chip by a resistance, first output terminal is connected to the former limit winding of transformer in the described peripheral circuit, second output terminal is connected to described first control end of switching tube by a resistance, first end of described first switching tube is connected to first control end of described first power supply chip by a resistance, second end is connected to second control end of described first power supply chip, simultaneously, second end of described first switching tube is connected to second output terminal of described first photoelectrical coupler by a resistance;
Output terminal, second input end that the first input end of described second photoelectrical coupler is connected to described commutation circuit are connected to the operation control signal output ends of described main control chip, first output terminal that first output terminal is connected to described first photoelectrical coupler, second output terminal is connected to described second switch pipe by a resistance control end by a resistance, by a resistance eutral grounding, first end of described second switch pipe is connected to first control end of described first power supply chip, the second end ground connection to second output terminal of described second photoelectrical coupler simultaneously.
Preferably, in the control device of above-mentioned electric equipment, described first on-off circuit comprises the 3rd switching tube, first end of described the 3rd switching tube is connected to first end of described second source, second end of described the 3rd switching tube is connected to the output terminal of described first power supply, and described the 3rd control end of switching tube is connected to the charging control signal output terminal of described main control chip by a resistance.
Preferably, in the control device of above-mentioned electric equipment, described commutation circuit comprises the 4th switching tube, the 5th switching tube and the 6th switching tube;
Described the 4th switching tube, the 5th switching tube and the 6th switching tube diode respectively in parallel;
First end of described the 4th switching tube is connected to first end of described second source, described the 4th control end of switching tube is by a resistance eutral grounding, be connected to the output terminal of first power supply simultaneously by another resistance, second end of described the 4th switching tube is the output terminal of described commutation circuit;
First end of described the 5th switching tube is connected to the output terminal of described first power supply, and second end of described the 5th switching tube is connected to the output terminal of described commutation circuit, connects a resistance between second end of described the 5th switching tube and the control end;
Described the 6th control end of switching tube is by a resistance eutral grounding, be connected to the output terminal of described first power supply simultaneously by another resistance, the second end ground connection of described the 6th switching tube, first end of described the 6th switching tube is connected to described the 5th control end of switching tube.
Preferably, in the control device of above-mentioned electric equipment, described second switch circuit comprises:
The contact is series at the relay between the input end of described power supply and the 3rd power supply;
Drive the driving circuit of described relay turn-on and turn-off under the control of described main control chip, the control end of described driving circuit is connected with an output terminal of described main control chip, and the output terminal of described driving circuit is connected with the coil of described relay.
Preferably, the control device of above-mentioned electric equipment also comprises the voltage detecting circuit that is used for detecting the magnitude of voltage of described second source when described electric equipment is in low-power consumption mode, and the signal output part of described voltage detecting circuit is connected with described main control chip;
Described main control chip comprises first processing unit, the magnitude of voltage and first voltage threshold of the more described voltage detecting circuit output of described first processing unit, when the magnitude of voltage of second source greater than described first voltage threshold, and when powering by described second source, control first power supply and enter park mode, control second switch circuit turn-offs, when the magnitude of voltage of second source is less than or equal to described first voltage threshold, control first power supply and enter operational mode, control the first on-off circuit conducting, afterwards when the magnitude of voltage of described second source reaches second voltage threshold, control described first power supply and enter park mode, control described second switch circuit and turn-off.
Preferably, the control device of above-mentioned electric equipment also comprises signal receiving device, and described signal receiving device is connected with described main control chip, and the output terminal of described commutation circuit is connected with described signal receiving device simultaneously.
A kind of electric equipment comprises above-mentioned any control device.
This shows, the beneficial effects of the utility model are: the control device of the disclosed electric equipment of the utility model, first power supply, second source and the 3rd power supply are set, and the power of first power supply is made of a plurality of farad capacitor series connection less than power, the second source of the 3rd power supply, after electric equipment enters low-power consumption mode, main control chip utilizes first on-off circuit and commutation circuit to control first power supply and second source interleaved power by the connection between second switch circuitry cuts the 3rd power supply and the power supply afterwards.Because the power of first power supply is less than the power of the 3rd power supply, therefore first power supply in the power consumption of operational mode the also power consumption during in operation less than the 3rd power supply, and after utilizing first power supply for the second source charging, first power supply enters park mode, be main control chip power supply by second source this moment, and the power consumption of first power supply under park mode approaches zero, the power consumption of the second source that formed by a plurality of farad capacitors series connection is also very low, therefore, the disclosed control device of the utility model effectively reduces the power consumption of electric equipment.Simultaneously, because farad capacitor is lower to the requirement of running environment, safety and environmental protection, and long service life more, therefore, the disclosed control device of the utility model has the advantage of safety and environmental protection, long service life.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the control device of the disclosed a kind of electric equipment of the utility model;
Fig. 2 is a kind of structural representation of first power supply in the disclosed control device of Fig. 1;
Fig. 3 is a kind of circuit diagram of signal processing circuit in disclosed first power supply of Fig. 2;
Fig. 4 is a kind of circuit diagram of first on-off circuit in the disclosed control device of Fig. 1;
Fig. 5 is a kind of circuit diagram of commutation circuit in the disclosed control device of Fig. 1;
Fig. 6 is a kind of circuit diagram of second switch circuit in the disclosed control device of Fig. 1;
Fig. 7 is the structural representation of the control device of the disclosed another kind of electric equipment of the utility model;
Fig. 8 is the structural representation of the control device of the disclosed another kind of electric equipment of the utility model;
Fig. 9 is the process flow diagram of the control method of the disclosed a kind of electric equipment of the utility model;
Figure 10 is the process flow diagram of the control method of the disclosed another kind of electric equipment of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of control device of electric equipment, can reduce the power consumption of electric equipment when low-power consumption mode.This electric equipment can have the equipment of low-power consumption mode for TV, air-conditioning or other.
Referring to Fig. 1, Fig. 1 is the structural representation of the control device of the disclosed electric equipment of the utility model.This control device comprises first power supply 1, second source 2, the 3rd power supply 3, main control chip 4, first on-off circuit 5, second switch circuit 6 and commutation circuit 7.
Wherein:
First power supply 1 is used for power supply (civil power) is converted to the required direct supply of electric equipment work, and the power of first power supply 1 is less than the power of the 3rd power supply 3, and just the specification of first power supply 1 is less than the specification of the 3rd power supply 3.Be understandable that, when the power of power supply hour, its power consumption under light condition is also lower.The input end of first power supply 1 is connected to power supply, the output terminal of first power supply 1 is connected to the first input end of commutation circuit 7, simultaneously, the control end of first power supply 1 is connected with main control chip 4, and the control signal that first power supply 1 can respond main control chip 4 enters operational mode or park mode.
Second source 2 comprises the farad capacitor of a plurality of series connection, and the anode of a plurality of farad capacitor strings is as first end of second source 2, negative terminal second end as second source 2.First end of second source 2 is connected to the output terminal of first power supply 1 by first on-off circuit 5, and first end of second source 2 is connected to second input end of commutation circuit 7 simultaneously.Consider the withstand voltage lower of farad capacitor, can be in the implementation process with the series connection of the farad capacitor more than 3 to form second source 2.
The control end of first on-off circuit 5 is connected with main control chip 4, first on-off circuit 5 conducting or shutoff under the control of main control chip 4.When first power supply 1 was in operational mode, 5 conductings of main control chip 4 controls first on-off circuit utilized first power supply 1 to be second source 2 chargings.
The output terminal of commutation circuit 7 is connected to the power end of main control chip 4.When first power supply 1 was in operational mode, commutation circuit 7 was communicated with the output terminal of first power supply 1 and the power end of main control chip 4, and be main control chip 4 power supplies by first power supply 1 this moment.When first power supply 1 was in park mode, commutation circuit 7 was communicated with the output terminal of second source 2 and the power end of main control chip 4, and be main control chip 4 power supplies by second source 2 this moment.
The input end of the 3rd power supply 3 is connected to power supply by second switch circuit 6, and the output terminal of the 3rd power supply 3 is connected to the load 8 of electric equipment.The control end of second switch circuit 6 is connected with main control chip 4, and second switch circuit 6 is conducting or shutoff under the control of main control chip 4.In the enforcement, the 3rd power supply 3 can be linear unit or Switching Power Supply.When electric equipment was air-conditioning, load 8 comprised AD sample circuit, display circuit, motor-drive circuit and sweeps the wind-powered electricity generation machine circuit.
After electric equipment entered low-power consumption mode, main control chip 4 control second switch circuit 6 turn-offed, and no longer be load 8 power supplies of electric equipment this moment.Afterwards, main control chip 4 control first power supply 1 and second source 2 interleaved powers, when second source 2 power supplies, main control chip 4 controls first power supply 1 enters park mode, when main control chip 4 enters operational mode at control first power supply 1, control 5 conductings of first on-off circuit, thereby utilize first power supply 1 to be second source 2 chargings.
The control device of the above-mentioned disclosed electric equipment of the utility model, first power supply, second source and the 3rd power supply are set, and the power of first power supply is made of a plurality of farad capacitor series connection less than power, the second source of the 3rd power supply, after electric equipment enters low-power consumption mode, main control chip utilizes first on-off circuit and commutation circuit to control first power supply and second source interleaved power by the connection between second switch circuitry cuts the 3rd power supply and the power supply afterwards.Because the power of first power supply is less than the power of the 3rd power supply, therefore first power supply in the power consumption of operational mode the also power consumption during in operation less than the 3rd power supply, and after utilizing first power supply for the second source charging, first power supply enters park mode, be main control chip power supply by second source this moment, and the power consumption of first power supply under park mode approaches zero, the power consumption of the second source that formed by a plurality of farad capacitors series connection is also very low, therefore, the disclosed control device of the utility model effectively reduces the power consumption of electric equipment.Simultaneously, because farad capacitor is lower to the requirement of running environment, safety and environmental protection, and long service life more, therefore, the disclosed control device of the utility model has the advantage of safety and environmental protection, long service life.
In the enforcement, first power supply 1 can adopt structure shown in Figure 2.
Referring to Fig. 2, Fig. 2 is a kind of structural representation of first power supply in the disclosed control device of Fig. 1.This first power supply comprises first power supply chip 11, peripheral circuit 12 and signal processing circuit 13.
Wherein:
First power supply chip 11 comprises first control end and second control end, and wherein first control end is used for receiving the operation control signal, and second control end is used to receive dormant control signal.
Peripheral circuit 12 is connected with first power supply chip 11, and the control of peripheral circuit 12 responses first power supply chip 11 is transformed to the direct supply adaptive with electric equipment with power supply.In the enforcement, peripheral circuit 12 can adopt multiple structure, and peripheral circuit 12 is realized power conversion based on transformer in the utility model, because the structure of Switching Power Supply is that those skilled in the art know altogether, therefore repeats no more here.
Signal processing circuit 13 receives the operation control signal and the dormant control signal of main control chip 4 outputs and handles, so that the operation control signal and the level of dormant control signal and the triggering level of first power supply chip 11 are complementary, afterwards, operation control signal after signal processing circuit 13 will be handled transfers to first control end of first power supply chip 11, the dormant control signal after handling is transferred to second control end of first power supply chip 11.
First power supply chip 11 is after its first control end receives the operation control signal, control peripheral circuit 12 carries out power conversion, first power supply chip 11 enters park mode after its second control end receives dormant control signal, this moment, peripheral circuit 12 no longer carried out power conversion.
First power supply shown in Figure 2 on the basis of existing power supply chip and peripheral circuit, only need be set up the signal processing circuit that the control signal of main control chip 4 outputs is handled, and just can realize the control to first power mode.Certainly, those skilled in the art also can adopt other power circuits, enter or withdraw from park mode as long as this power circuit can respond the control signal of main control chip 4.
Preferably, first power supply chip 11 can adopt the LinkZero-AX of PI company series or LinkZero-LP series power supply chip, and its charge efficiency height, power consumption are little, and the mode of support software control enters or withdraw from park mode.The structure of signal processing circuit 13 comprises the first photoelectrical coupler U1, the second photoelectrical coupler U2, the first switching tube Q1 and second switch pipe Q2 as shown in Figure 3.
Wherein:
The first input end of the first photoelectrical coupler U1 is connected to the output terminal VCC of commutation circuit 7, second input end of the first photoelectrical coupler U1 is connected to the dormant control signal output terminal Set of main control chip 4 by first resistance R 1, first output terminal of the first photoelectrical coupler U1 is connected to the former limit winding of transformer in the peripheral circuit 12, second output terminal of the first photoelectrical coupler U1 is connected to the control end of the first switching tube Q1 by second resistance R 2, first end of the first switching tube Q1 is connected to first control end of first power supply chip 11 by the 3rd resistance R 3, and second end of the first switching tube Q1 is connected to second control end of first power supply chip 11.Simultaneously, second end of the first switching tube Q1 is connected to second output terminal of the first photoelectrical coupler U1 by the 4th resistance R 4.
The first input end of the second photoelectrical coupler U2 is connected to the output terminal VCC of commutation circuit 7, second input end of the second photoelectrical coupler U2 is connected to the operation control signal output ends Rs1 of main control chip 4 by the 5th resistance R 5, first output terminal of the second photoelectrical coupler U2 is connected to first output terminal (just being connected to the former limit winding of transformer in the peripheral circuit 12) of the first photoelectrical coupler U1, second output terminal of the second photoelectrical coupler U2 is connected to the control end of second switch pipe Q2 by the 6th resistance R 6, second output terminal of the second photoelectrical coupler U2 is simultaneously by the 7th resistance R 7 ground connection, first end of second switch pipe Q2 is connected to first control end of first power supply chip 11, the second end ground connection of second switch pipe Q2.
The first switching tube Q1 and second switch pipe Q2 can adopt NPN type triode or N-channel MOS pipe (insulated-gate type field effect triode).When the first switching tube Q1 and second switch pipe Q2 employing NPN type triode, first end is that collector, second end are that emitter, control end are base stage.When the first switching tube Q1 and second switch pipe Q2 employing N-channel MOS pipe, first end is that source electrode, control end are grid for drain electrode, second end.Based on the consideration of cost, the first switching tube Q1 and second switch pipe Q2 preferably adopt NPN type triode.
Signal processing circuit shown in Figure 3 is made of photoelectrical coupler and switching tube, when the operation control signal output ends Rs1 of main control chip 4 output high level, dormant control signal output terminal Set output low level, and during lasting Preset Time, first power supply 1 enters park mode; When the operation control signal output ends Rs1 of main control chip 4 output low level, dormant control signal output terminal Set output high level, first power supply 1 enters operational mode.
In control device shown in Figure 1, the structure of first on-off circuit 5 as shown in Figure 4.This first on-off circuit 5 comprises the 3rd switching tube Q3, first end of the 3rd switching tube Q3 is connected to first end (among the figure+2.7V place) of second source 2, second end of the 3rd switching tube Q3 is connected to the output terminal (among the figure+5.5V place) of first power supply 1, and the control end of the 3rd switching tube Q3 is connected to the charging control signal output terminal Charge of main control chip 4 by the 8th resistance R 8.
When main control chip 4 enters operational mode at control first power supply 1, controlling the 3rd switching tube Q3 conducting, utilize first power supply 1 for second source 2 chargings, in conjunction with the effect of commutation circuit 7, is main control chip 4 power supplies by first power supply 1.Main control chip 4 is controlled the 3rd switching tube Q3 and is turn-offed after control first power supply 1 enters park mode, stops to second source 2 chargings, and in conjunction with the effect of commutation circuit 7, be main control chip 4 power supplies by second source 2.
The 3rd switching tube Q3 adopts the positive-negative-positive triode in Fig. 4, and its first end is that collector, second end are that emitter, control end are base stage.Certain the 3rd switching tube Q3 also can adopt the P channel MOS tube, and its first end is that source electrode, control end are grid for drain electrode, second end.
First on-off circuit 5 shown in Figure 4 simple in structure, main control chip 4 only need be controlled charging control signal output terminal Charge output high level or low level, just can realize the charging of second source is controlled.
In the control device of the above-mentioned disclosed electric equipment of the utility model, commutation circuit can adopt the mode of gating network, this gating network comprises the first passage of the power end of the output terminal that is communicated with first power supply 1 and main control chip 4, and the second channel of the power end of first end of connection second source 2 and main control chip 4, and be respectively arranged with switching device on first passage and second channel, the control end of two switching devices is connected to output terminals different on the main control chip 4 respectively.In operational process, alternately control two switching devices by main control chip 4 and turn-off and conducting, to realize the interleaved power of first power supply 1 and second source 2.
The invention also discloses another kind of commutation circuit, this commutation circuit does not need software control, realizes automatically switching by the voltage of first power supply 1 and second source 2, guarantees the normal power supply of power supply.
Referring to Fig. 5, Fig. 5 is a kind of circuit diagram of commutation circuit in the disclosed control device of Fig. 1.This commutation circuit comprises the 4th switching tube Q4, the 5th switching tube Q5 and the 6th switching tube Q6.
Wherein:
The 4th switching tube Q4, the 5th switching tube Q5 and the 6th switching tube Q6 diode respectively in parallel just connects a diode respectively between first end of the 4th switching tube Q4, the 5th switching tube Q5 and the 6th switching tube Q6 and second end.
First end of the 4th switching tube Q4 is connected to first end (among the figure+2.7N place) of second source 2, the control end of the 4th switching tube Q4 is by the 9th resistance R 9 ground connection, be connected to the output terminal (among the figure+5.5V place) of first power supply 1 simultaneously by the tenth resistance R 10, second end of the 4th switching tube Q4 is the output terminal VCC of commutation circuit.First end of the 4th switching tube Q4 is second input end of commutation circuit.
First end of the 5th switching tube Q5 is connected to the output terminal of first power supply 1, the output terminal VCC(that second end of the 5th switching tube Q5 is connected to commutation circuit is second end of the 4th switching tube Q4 just), connect the 11 resistance R 11 between second end of the 5th switching tube Q5 and the control end.First end of the 5th switching tube Q5 is the first input end of commutation circuit.
The control end of the 6th switching tube Q6 is by the 12 resistance R 12 ground connection, be connected to the output terminal of first power supply 1 simultaneously by the 13 resistance R 13, the second end ground connection of the 6th switching tube Q6, first end of the 6th switching tube Q6 is connected to the control end of the 5th switching tube Q5.
In commutation circuit shown in Figure 5, the 4th switching tube Q4 and the 5th switching tube Q5 adopt N-channel MOS FET(mos field effect transistor), the 6th switching tube Q6 adopts the P channel mosfet.Certain the 4th switching tube Q4 and the 5th switching tube Q5 can also adopt the N-channel MOS pipe, and the 6th switching tube Q6 can also adopt the P channel MOS tube.First end of the 4th switching tube Q4, the 5th switching tube Q5 and the 6th switching tube Q6 is that source electrode, control end are grid for drain electrode, second end.
Below its handoff procedure is described.
The first input end of commutation circuit is connected to the output terminal of first power supply 1, first end that second input end is connected to second source 2, and the power supply of first power supply, 1 output is 5.5V, and the power supply of second source 2 outputs is 2.7V.When first power supply 1 is in operational mode, the 5th switching tube Q5 and the 6th switching tube Q6 conducting, the 4th switching tube Q4 ends, and is main control chip 4 power supplies by first power supply 1.Out-put supply no longer when first power supply 1 is in park mode, the 4th switching tube Q4 conducting this moment, and the 5th switching tube Q5 and the 6th switching tube Q6 end, and switch to second source 2 and are 4 power supplies of master control power supply.
Commutation circuit shown in Figure 5 realizes automatically switching by the voltage of first power supply 1 and second source 2, and does not need to carry out software control, has reduced the software design workload of main control chip 4.
In control device shown in Figure 1, the 3rd power supply 3 is used for power supply is carried out conversion, and the required working power of output electric equipment can adopt Switching Power Supply or linear power supply.Second switch circuit 6 is series between power supply and the 3rd power supply 3, comprises relay and driving circuit.The contact of this relay is series between the input end of power supply and the 3rd power supply 3, and the control end of this driving circuit is connected with an output terminal of main control chip 4, and the output terminal of this driving circuit is connected with the coil of relay.Driving circuit drives the relay turn-on and turn-off under the control of main control chip.Concrete, driving circuit gets shutoff and conducting electric and dead electricity realization contact by the coil of pilot relay.
In the enforcement, this driving circuit can adopt special driving chip.In order to reduce the cost of control device, the utility model adopts NPN type triode to constitute driving circuit, and its structure as shown in Figure 6.The normally opened contact of relay K A1 is connected between the input end of power supply and the 3rd power supply, one end of the coil of relay K A1 is connected to the collector that power supply, the other end are connected to NPN type triode Q7, and grounded emitter, the base stage of NPN type triode Q7 are connected to the output terminal K1 of main control chip 4.
When electric equipment normally moves, main control chip 4 output high level, control NPN type triode Q7 conducting, this moment, the coil of relay K A1 got electricly, and its normally opened contact closure is connected the input end of power supply and the 3rd power supply 3.When electric equipment enters low-power consumption mode, main control chip 4 output low levels, control NPN type triode Q7 ends, this moment relay K A1 coil losing electricity, its normally opened contact is (off-state just) in the raw, the 3rd power supply 3 is disconnected.
Certainly, also can use relay and NPN type triode to constitute the second switch circuit with normally closed contact.In this case, when electric equipment normally moves, main control chip 4 output low levels, control NPN type triode turn-offs, this moment relay coil losing electricity, its normally closed contact is (closure state just) in the raw, connects the input end of power supply and the 3rd power supply 3.When electric equipment enters low-power consumption mode, main control chip 4 output high level, control NPN type triode ends, and this moment, the coil of relay K A1 got electricly, and its normally closed contact disconnects, and the 3rd power supply 3 is disconnected.
Second switch circuit shown in Figure 6 only is made of relay and triode, compares with using special driving chip, has reduced cost.
In implementation process, main control chip 1 control first power supply 1 and second source 2 interleaved powers, can adopt multiple mode to realize, for example: main control chip 1 is controlled first power supply 1 and second source 2 interleaved powers according to predetermined period, and the power consumption when this predetermined period is in low-power consumption mode by the electric weight of second source 2 and electric equipment in the unit interval is determined.Certainly, main control chip 4 also can adopt other modes to control first power supply 1 and second source 2 carries out interleaved power.Describe below in conjunction with Fig. 7.
Referring to Fig. 7, Fig. 7 is the structural representation of the control device of the disclosed another kind of electric equipment of the utility model.
This control device comprises first power supply 1, second source 2, the 3rd power supply 3, main control chip 4, first on-off circuit 5, second switch circuit 6, commutation circuit 7 and voltage detecting circuit 9.Compare with the control device of electric equipment shown in Figure 1, further increased voltage detecting circuit 9, and first processing unit 41 is set further in the main control chip 4, and the structure and the annexation of first power supply 1, second source 2, the 3rd power supply 3, first on-off circuit 5, second switch circuit 6 and commutation circuit 7 are described referring to preamble, do not repeat them here.
Voltage detecting circuit 9 is used for detecting the magnitude of voltage of second source 2 when electric equipment is in low-power consumption mode, and the signal output part of voltage detecting circuit 9 is connected with main control chip 4.After electric equipment entered low-power consumption mode, voltage detecting circuit 9 detected the magnitude of voltage of second source 2, and exports detected magnitude of voltage.
Main control chip 4 comprises first processing unit 41, the magnitude of voltage and the voltage threshold of 9 outputs of first processing unit, 41 comparative voltage testing circuits, when the magnitude of voltage of second source 2 greater than first voltage threshold, and during by second source 2 power supplies, control first power supply 1 and enter park mode, control second switch circuit 5 turn-offs, when the magnitude of voltage of second source 2 is less than or equal to first voltage threshold, control first power supply 1 and enter operational mode, control 5 conductings of first on-off circuit, afterwards when the magnitude of voltage of second source 2 reaches second voltage threshold, control first power supply 1 and enter park mode, control second switch circuit 5 turn-offs.
Control device shown in Figure 7 is only when the magnitude of voltage of second source 2 is lower than first voltage threshold, just controlling first power supply 1 charges for it, avoid taking place just it being carried out charging operations when second source 2 does not fully discharge, can reduce the charging times of second source 2, help prolonging the serviceable life of second source 2, in addition, because the power-on time that has prolonged second source 2, then correspondingly reduce the in running order time of first power supply 1, therefore can further reduce the power consumption of control device.
In order to realize the remote control control of user, the utility model discloses the control device of another kind of electric equipment to electric equipment.
This control device comprises first power supply 1, second source 2, the 3rd power supply 3, main control chip 4, first on-off circuit 5, second switch circuit 6, commutation circuit 7, voltage detecting circuit 9 and signal receiving device 10 as shown in Figure 8.Only just describe with the difference of control device shown in Figure 7.
Signal receiving device 10 is connected with main control chip 4, is used to receive the control signal that the user sends by telepilot or other control systems, and the control signal that receives is transferred to main control chip 4.Simultaneously, signal receiving device is connected with the output terminal of commutation circuit 7, when electric equipment is in low-power consumption mode, is signal receiving device 10 power supplies by commutation circuit 7 alternately by first power supply 1 or second source 2.
Based on control device shown in Figure 8, when electric equipment was in low-power consumption mode, the user can carry out straighforward operation to this electric equipment, has simplified user's operation, feasible control hommization more to electric equipment.
The above-mentioned control device that is applied to electric equipment that discloses of the utility model.Accordingly, the utility model also discloses a kind of electric equipment, and this electric equipment comprises the above-mentioned disclosed control device of the utility model, and its equipment power dissipation under low-power consumption mode is very low.
The utility model also discloses a kind of control method that is applied to above-mentioned electric equipment.
Referring to Fig. 9, Fig. 9 is the process flow diagram of the control method of the disclosed electric equipment of the utility model.This control method comprises:
Step S1: detect the duty of electric equipment, when electric equipment is in normal operation mode, execution in step S2, when electric equipment is in low-power consumption mode, execution in step S3.
But operation cycle of the duty of this detection electric equipment or irregularly carry out.
Step S2: control second switch circuit turn-on, control first power supply and be in operational mode, control first on-off circuit and turn-off.
When electric equipment is in normal operation mode, control first power supply and the 3rd power supply is in operational mode, it by first power supply power unit (main control chip and the signal receiving device) power supply in the control device of electric equipment, by the 3rd power supply is the electric of electric equipment, and control first on-off circuit and turn-off, thereby utilize commutation circuit that second source is switched to isolation, second source no longer is the power unit power supply in the control device.
Step S3: control second switch circuit turn-offs.
Have no progeny when the second switch circuit closes, the connection between the 3rd power supply and the power supply is disconnected, and the 3rd power supply does not rerun, the load outage of electric equipment.
Step S4: control first power supply and second source interleaved power.
When second source is powered, control first power supply and enter park mode, when control first power supply enters operational mode, control the first on-off circuit conducting.
The control method of the disclosed electric equipment of the utility model, when electric equipment is in normal operation mode, by first power supply and the power supply of the 3rd power supply, when electric equipment enters low-power consumption mode, cut off the 3rd power supply, control first power supply and second source interleaved power afterwards.Because the power of first power supply is less than the power of the 3rd power supply, therefore first power supply in the power consumption of operational mode the also power consumption during in operation less than the 3rd power supply, and after utilizing first power supply for the second source charging, first power supply enters park mode, be main control chip power supply by second source this moment, and the power consumption of first power supply under park mode approaches zero, the power consumption of the second source that formed by a plurality of farad capacitors series connection is also very low, therefore, can effectively reduce the power consumption of electric equipment based on the disclosed control method of the utility model.
In the enforcement, step S4 controls first power supply and second source interleaved power, can adopt multiple mode to realize, for example: control first power supply and second source interleaved power according to predetermined period, the power consumption when this predetermined period is in low-power consumption mode by the electric weight of second source and electric equipment in the unit interval is determined.Certainly, also can adopt other modes to control first power supply and second source carries out interleaved power.Describe below in conjunction with Figure 10.
Referring to Figure 10, Figure 10 is the process flow diagram of the control method of the disclosed another kind of electric equipment of the utility model.This control method comprises:
Step S1: detect the duty of electric equipment, when electric equipment is in normal operation mode, execution in step S2, when electric equipment is in low-power consumption mode, execution in step S3.
Step S2: control second switch circuit turn-on, control first power supply and be in operational mode, control first on-off circuit and turn-off.
Step S3: control second switch circuit turn-offs.
Step S41: the magnitude of voltage that detects second source.
Detect the magnitude of voltage of second source by the voltage detecting circuit in the control device, and detected magnitude of voltage is transferred to main control chip.
Step S42: the magnitude of voltage and first voltage threshold that compare second source.
This first voltage threshold is the charge threshold of second source, when the magnitude of voltage of second source is less than or equal to this first voltage threshold, need utilize first power supply to charge for second source.
Step S43: when the magnitude of voltage of second source is powered greater than first voltage threshold and by second source, control first power supply and enter park mode, control second switch circuit turn-offs.
In the second source power supply process, if the magnitude of voltage of second source is greater than first voltage threshold, then do not need second source is charged, control first power supply and enter park mode this moment, so that reducing to, the power consumption of first power supply is approximately zero, will turn-off the second switch circuit simultaneously, the electric energy that prevents second source is by first electrical source consumption.
Step S44: when the magnitude of voltage of second source is less than or equal to first voltage threshold, controls first power supply and enter operational mode, control the first on-off circuit conducting.
Step S45: in to the second source charging process, when the magnitude of voltage of second source reaches second voltage threshold, control first power supply and enter park mode, control described second switch circuit and turn-off.
When the magnitude of voltage of second source is less than or equal to first voltage threshold, controls first power supply and enter operational mode and control the first on-off circuit conducting, thereby utilize first power supply to charge for second source.Utilize first power supply for the second source charging process in, cycle or irregularly detect the magnitude of voltage of second source, when the magnitude of voltage of second source reaches the second source threshold value, control first power supply and enter park mode, control second switch circuit turn-offs, and is powered by second source.
Based on control method shown in Figure 10, only when the magnitude of voltage of second source is lower than first voltage threshold, just controlling first power supply charges for it, avoid taking place just it being carried out charging operations when second source does not fully discharge, can reduce the charging times of second source, help prolonging the serviceable life of second source, in addition, because the power-on time that prolonged second source, then correspondingly reduced the in running order time of first power supply, therefore can further reduce the power consumption of electric equipment.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (9)

1. the control device of an electric equipment, it is characterized in that, comprise: first power supply, second source, the 3rd power supply, main control chip, first on-off circuit, second switch circuit and commutation circuit, the power of described first power supply is less than the power of described the 3rd power supply;
The input end of described first power supply is connected to power supply, the output terminal of described first power supply is connected to the first input end of described commutation circuit, simultaneously, the control end of described first power supply is connected with described main control chip, and the control signal that responds described main control chip enters operational mode or park mode;
Described second source comprises the farad capacitor of a plurality of series connection, and first end of described second source is connected to the output terminal of described first power supply by described first on-off circuit, and first end of described second source is connected to second input end of described commutation circuit simultaneously;
The control end of described first on-off circuit is connected with described main control chip;
The output terminal of described commutation circuit is connected to the power end of described main control chip, when described first power supply is in operational mode, be communicated with the output terminal of described first power supply and the power end of described main control chip, when described first power supply is in park mode, be communicated with the output terminal of described second source and the power end of described main control chip;
The input end of described the 3rd power supply is connected to power supply by described second switch circuit, and the output terminal of described the 3rd power supply is connected to the load of described electric equipment, and the control end of described second switch circuit is connected with described main control chip;
After described electric equipment enters low-power consumption mode, described main control chip is controlled described second switch circuit and is turn-offed, control described first power supply and second source interleaved power, when described second source is powered, described main control chip is controlled described first power supply and is entered park mode, when described main control chip enters operational mode at described first power supply of control, control the described first on-off circuit conducting.
2. the control device of electric equipment according to claim 1 is characterized in that, described first power supply comprises:
First power supply chip;
Be connected with described first power supply chip, the control that responds described first power supply chip is transformed to peripheral circuit with the adaptive direct supply of described electric equipment with described power supply, and described peripheral circuit comprises transformer;
Receive the operation control signal and the dormant control signal of described main control chip output and handle, operation control signal after handling is transferred to first control end of described first power supply chip, the dormant control signal after handling is transferred to the signal processing circuit of second control end of described first power supply chip.
3. the control device of electric equipment according to claim 2, it is characterized in that, described first power supply chip is LinkZero-AX series or LinkZero-LP series power supply chip, and described signal processing circuit comprises first photoelectrical coupler, second photoelectrical coupler, first switching tube and second switch pipe;
The first input end of described first photoelectrical coupler is connected to the output terminal of described commutation circuit, second input end is connected to the dormant control signal output terminal of described main control chip by a resistance, first output terminal is connected to the former limit winding of transformer in the described peripheral circuit, second output terminal is connected to described first control end of switching tube by a resistance, first end of described first switching tube is connected to first control end of described first power supply chip by a resistance, second end is connected to second control end of described first power supply chip, simultaneously, second end of described first switching tube is connected to second output terminal of described first photoelectrical coupler by a resistance;
Output terminal, second input end that the first input end of described second photoelectrical coupler is connected to described commutation circuit are connected to the operation control signal output ends of described main control chip, first output terminal that first output terminal is connected to described first photoelectrical coupler, second output terminal is connected to described second switch pipe by a resistance control end by a resistance, by a resistance eutral grounding, first end of described second switch pipe is connected to first control end of described first power supply chip, the second end ground connection to second output terminal of described second photoelectrical coupler simultaneously.
4. according to the control device of claim 1,2 or 3 described electric equipments, it is characterized in that, described first on-off circuit comprises the 3rd switching tube, first end of described the 3rd switching tube is connected to first end of described second source, second end of described the 3rd switching tube is connected to the output terminal of described first power supply, and described the 3rd control end of switching tube is connected to the charging control signal output terminal of described main control chip by a resistance.
5. the control device of electric equipment according to claim 4 is characterized in that, described commutation circuit comprises the 4th switching tube, the 5th switching tube and the 6th switching tube;
Described the 4th switching tube, the 5th switching tube and the 6th switching tube diode respectively in parallel;
First end of described the 4th switching tube is connected to first end of described second source, described the 4th control end of switching tube is by a resistance eutral grounding, be connected to the output terminal of first power supply simultaneously by another resistance, second end of described the 4th switching tube is the output terminal of described commutation circuit;
First end of described the 5th switching tube is connected to the output terminal of described first power supply, and second end of described the 5th switching tube is connected to the output terminal of described commutation circuit, connects a resistance between second end of described the 5th switching tube and the control end;
Described the 6th control end of switching tube is by a resistance eutral grounding, be connected to the output terminal of described first power supply simultaneously by another resistance, the second end ground connection of described the 6th switching tube, first end of described the 6th switching tube is connected to described the 5th control end of switching tube.
6. the control device of electric equipment according to claim 5 is characterized in that, described second switch circuit comprises:
The contact is series at the relay between the input end of described power supply and the 3rd power supply;
Drive the driving circuit of described relay turn-on and turn-off under the control of described main control chip, the control end of described driving circuit is connected with an output terminal of described main control chip, and the output terminal of described driving circuit is connected with the coil of described relay.
7. the control device of electric equipment according to claim 6 is characterized in that,
Described control device also comprises the voltage detecting circuit that is used for detecting the magnitude of voltage of described second source when described electric equipment is in low-power consumption mode, and the signal output part of described voltage detecting circuit is connected with described main control chip;
Described main control chip comprises: the magnitude of voltage and first voltage threshold of more described voltage detecting circuit output, when the magnitude of voltage of second source greater than described first voltage threshold, and when powering by described second source, control first power supply and enter park mode, control second switch circuit turn-offs, when the magnitude of voltage of second source is less than or equal to described first voltage threshold, control first power supply and enter operational mode, control the first on-off circuit conducting, when the magnitude of voltage of described second source reaches second voltage threshold, control described first power supply and enter park mode afterwards, control first processing unit that described second switch circuit turn-offs.
8. the control device of electric equipment according to claim 7 is characterized in that, also comprises signal receiving device, and described signal receiving device is connected with described main control chip, and the output terminal of described commutation circuit is connected with described signal receiving device simultaneously.
9. an electric equipment is characterized in that, comprises as each described control device in the claim 1 to 8.
CN201320083819XU 2013-02-22 2013-02-22 Electrical equipment and control device thereof Active CN203084538U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007709A (en) * 2013-02-22 2014-08-27 珠海格力电器股份有限公司 Electrical device, and control device and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007709A (en) * 2013-02-22 2014-08-27 珠海格力电器股份有限公司 Electrical device, and control device and control method thereof
CN104007709B (en) * 2013-02-22 2017-02-22 珠海格力电器股份有限公司 Electrical device, and control device and control method thereof

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