CN103576564B - Air conditioner and control circuit thereof and control method - Google Patents
Air conditioner and control circuit thereof and control method Download PDFInfo
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- CN103576564B CN103576564B CN201210256079.5A CN201210256079A CN103576564B CN 103576564 B CN103576564 B CN 103576564B CN 201210256079 A CN201210256079 A CN 201210256079A CN 103576564 B CN103576564 B CN 103576564B
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Abstract
The invention discloses a kind of air conditioner and control circuit thereof and control method.The control circuit of this air conditioner comprises main control circuit, power supply output module and phase-amplitude regulating circuit, wherein, main control circuit is for receiving the working signal of load and detecting the output voltage of load, phase-amplitude regulating circuit is connected between main control circuit and power supply output module, for the output voltage of loaded work piece Signal Regulation load received according to main control circuit, provide operating voltage according to the load output voltage after regulating to load to make power supply output module.By the present invention, when load operating condition changes, loaded work piece voltage can be changed by regulating load output voltage, without the need to the real-time output HIGH voltage of Switching Power Supply, reduce air conditioner power consumption.
Description
Technical field
The present invention relates to air conditioner field, in particular to a kind of air conditioner and control circuit thereof and control method.
Background technology
Air conditioner is under different working modes, and the also relevant voltage needed for load is different, and at present, Switching Power Supply all exports a higher voltage, when air conditioner changes operational module, after the voltage that Switching Power Supply exports is carried out copped wave, to corresponding load supplying.Increase power consumption burden so undoubtedly, make the power consumption of air conditioner larger.
For the problem that air conditioner power consumption in correlation technique is large, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of air conditioner and control circuit thereof and control method, to solve the large problem of air conditioner power consumption.
To achieve these goals, according to an aspect of the present invention, a kind of control circuit of air conditioner is provided.
Control circuit according to air conditioner of the present invention comprises: main control circuit, is connected with the first end of air conditioner load, for detecting the output voltage of load and receiving the working signal of load that air conditioner master chip sends; Phase-amplitude regulating circuit, is connected with main control circuit, for the output voltage according to working signal regulating load; And power supply output module, first end is connected with phase-amplitude regulating circuit, and the second end of power supply output module is connected with the second end of load, for providing operating voltage according to the load output voltage after adjustment to load.
Further, working signal comprises high-pressure work signal and operating on low voltage signal, and wherein, when main control circuit receives high-pressure work signal, phase-amplitude regulating circuit reduces the output voltage of load, provides working voltage to make power supply output module to load; When main control circuit receives operating on low voltage signal, phase-amplitude regulating circuit improves the output voltage of load, provides work low pressure to make power supply output module to load.
Further, power supply output module comprises optocoupler, and phase-amplitude regulating circuit comprises: the first voltage stabilizing diode; Second voltage stabilizing diode, first end is connected with the first end of the first voltage stabilizing diode, second end of the second voltage stabilizing diode is connected to the first input end of optocoupler, wherein, the first end of the first voltage stabilizing diode and the first end of the second voltage stabilizing diode are provided with first node, first node is connected to the output terminal of power supply output module, the second input end grounding of optocoupler; First switching tube, first end is connected to the second end of the first diode, and the second end of the first switching tube is connected to the second end with the second voltage stabilizing diode; Second switch pipe, first end ground connection, the second end is connected to the 3rd end of the first switching tube; And the 3rd switching tube, first end ground connection, the second end is connected to the 3rd end of second switch pipe, and the second end of the 3rd switching tube is connected to power supply simultaneously, and the three-terminal link of the 3rd switching tube is to main control circuit.
Further, phase-amplitude regulating circuit also comprises: the first resistance, the first voltage stabilizing diode, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, wherein, the first end of the first switching tube is connected to the second end of the first diode via the first resistance; Second end of second switch pipe is connected to the 3rd end of the first switching tube via the second resistance; Second end of the 3rd switching tube is connected to the 3rd end of second switch pipe via the 3rd resistance, the second end of the 3rd switching tube is connected to power supply via the 4th resistance simultaneously, and the 3rd end of the 3rd switching tube is connected to main control circuit via the 5th resistance; And second second end of voltage stabilizing diode via the 6th resistance and the 7th resistance eutral grounding, between the 6th resistance and the 7th resistance, be provided with Section Point, Section Point is connected to the first input end of optocoupler.
Further, power supply output module comprises optocoupler, and phase-amplitude regulating circuit comprises: the 8th resistance; 9th resistance, first end is connected with the first end of the 8th resistance, and wherein, be provided with the 3rd node between the first end of the 8th resistance and the first end of the 9th resistance, the 3rd node is connected to the first input end of optocoupler; Phase comparator, first end is connected to the second end of the 9th resistance, the second end ground connection of phase comparator, and between the first end and the second end of the 9th resistance of phase comparator, be provided with the 4th node, the 4th node is connected to the second input end of optocoupler; First electric capacity, first end is connected to the 4th node; 4th switching tube, first end is connected with the second end of the first electric capacity, and meanwhile, the first end of the 4th switching tube is connected with the second end of the 8th resistance, ground connection after the second end of the 4th switching tube and the three-terminal link of phase comparator; 5th switching tube, first end ground connection, the second end is connected with the 3rd end of the 4th switching tube, and meanwhile, the second end of the 5th switching tube is connected with the second end of the 8th resistance, and the three-terminal link of the 5th switching tube is to main control circuit.
Further, phase-amplitude regulating circuit also comprises: the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 resistance and the 16 resistance, wherein, the first end of the 4th switching tube is connected with the second end of the first electric capacity via the tenth resistance; The first end of the 4th switching tube is connected via second end of the 11 resistance with the 8th resistance; The 12 resistance is connected with between the first end and the second end of the 4th switching tube of the 4th switching tube; Through by the 13 resistance eutral grounding after second end of the 4th switching tube and the three-terminal link of phase comparator; Second end of the 5th switching tube is connected with the 3rd end of the 4th switching tube via the 14 resistance; Second end of the 5th switching tube is connected via second end of the 15 resistance with the 8th resistance; And the 5th node is set between end and main control circuit at the 3rd of the 5th switching tube, the 5th node is via the 16 resistance eutral grounding.
Further, the switching tube in phase-amplitude regulating circuit is triode.
To achieve these goals, according to an aspect of the present invention, a kind of air conditioner is provided.
Air conditioner according to the present invention comprises the control circuit of any one air conditioner provided by the invention.
To achieve these goals, according to an aspect of the present invention, a kind of control method of air conditioner is provided.
Control method according to air conditioner of the present invention comprises: the working signal receiving the load that air conditioner master chip sends; Detect the output voltage of load; According to the working signal regulation output voltage received; And provide operating voltage according to the output voltage after regulating to load.
Further, working signal comprises high-pressure work signal and operating on low voltage signal, wherein, thering is provided operating voltage to comprise according to the working signal regulation output voltage received and according to the output voltage after regulating to load: when receiving high-pressure work signal, reducing output voltage and providing working voltage according to the output voltage after regulating to load; And when receiving operating on low voltage signal, improving output voltage and providing work low pressure according to the output voltage after regulating to load.
By the present invention, adopt and comprise with the control circuit of the air conditioner of lower part: for detecting the output voltage of load and receiving the main control circuit of working signal of the load that master chip sends, for the phase-amplitude regulating circuit of the output voltage of working signal regulating load received according to main control circuit, and for providing the power supply output module of operating voltage to load according to the load output voltage after adjustment, utilize phase-amplitude regulating circuit according to the output voltage of loaded work piece Signal Regulation load, power supply output module is made to provide operating voltage according to the actual output voltage of the load output voltage after adjustment instead of load to load, can when load operating condition changes, loaded work piece voltage is changed by regulating load output voltage, without the need to the real-time all output HIGH voltages of power supply output module, solve the problem that air conditioner power consumption is large, and then reach the effect reducing air conditioner power consumption.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the theory diagram of the control circuit of air conditioner according to the embodiment of the present invention;
Fig. 2 is the wiring schematic diagram of the control circuit of air conditioner according to a first embodiment of the present invention;
Fig. 3 is the elementary diagram of the control circuit of air conditioner according to a first embodiment of the present invention;
Fig. 4 is the wiring schematic diagram of the control circuit of air conditioner according to a second embodiment of the present invention; And
Fig. 5 is the process flow diagram of the control method of air conditioner according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the theory diagram of the control circuit of air conditioner according to the embodiment of the present invention, and as shown in Figure 1, this control circuit comprises main control circuit 20, power supply output module 60 and phase-amplitude regulating circuit 80.
Main control circuit 20 is connected with the first end of air conditioner load 40, for receiving the working signal of the load 40 that air conditioner master chip sends and detecting the output voltage of load 40, with the ruuning situation according to load 40, transmit control signal to phase-amplitude regulating circuit 80.
Phase-amplitude regulating circuit 80 is connected between main control circuit 20 and power supply output module 60, for phase place, the amplitude of the output voltage of working signal regulating load 40 that receive according to main control circuit 20.
Power supply output module 60 is connected with load 40 respectively with phase-amplitude regulating circuit 80, for providing operating voltage according to the output voltage of the load 40 after adjustment to load 40.
In this embodiment, the output voltage of the working signal regulating load 40 of the load 40 issued according to master chip by phase-amplitude regulating circuit 80, power supply output module 60 is made to provide operating voltage according to the actual output voltage of the load output voltage after adjustment instead of load 40 to load 40, can when load 40 duty changes, loaded work piece voltage is changed by regulating load output voltage, without the need to the real-time all output HIGH voltages of power supply output module 60, reduce the power consumption of air conditioner.
Preferably, working signal comprises high-pressure work signal and operating on low voltage signal, when main control circuit 20 receives high-pressure work signal, also when namely load needs to be operated in high pressure conditions, phase-amplitude regulating circuit 80 reduces the output voltage of load 40, now power supply output module 60 is thought to load 40 provides the too low output voltage of load 40 that causes of operating voltage to reduce, and thus can improve the operating voltage of load 40, provide working voltage to load 40.When main control circuit 20 receives operating on low voltage signal, also when namely load needs to be operated in low-pressure state, the output voltage of phase-amplitude regulating circuit 80 peak load 40, now power supply output module 60 is thought to load 40 provides the too high output voltage of load 40 that causes of operating voltage to raise, thus can reduce the operating voltage of load 40, provide work low pressure to load 40.
Fig. 2 is the wiring schematic diagram of the control circuit of air conditioner according to the embodiment of the present invention, and as shown in Figure 2, this control circuit comprises main control circuit, power supply output module and phase-amplitude regulating circuit.Wherein, power supply output module comprises Voltage stabilizing module, voltage changing module, power supply chip and optocoupler.
The first end of the second voltage stabilizing diode D2 of phase-amplitude regulating circuit is connected with the first end of the first voltage stabilizing diode D1, second end of the second voltage stabilizing diode D2 is via the 6th resistance R6 and the 7th resistance R7 ground connection, Section Point is provided with between the 6th resistance R6 and the 7th resistance R7, Section Point is connected to the first input end of optocoupler, wherein, the first end of the first voltage stabilizing diode D1 and the first end of the second voltage stabilizing diode D2 are provided with first node, first node is connected to the output terminal of power supply output module, the second input end grounding of optocoupler.The first end of the first switching tube Q1 is connected to second end of the first voltage stabilizing diode D1 via the first resistance R1, second end of the first switching tube Q1 is connected to second end of the second voltage stabilizing diode D2.The first end ground connection of second switch pipe Q2, the second end is connected to the 3rd end of the first switching tube Q1 via the second resistance R2.The first end ground connection of the 3rd switching tube Q3, second end is connected to the 3rd end of second switch pipe Q2 via the 3rd resistance R3, second end of the 3rd switching tube Q3 is connected to power supply via the 4th resistance R4 simultaneously, and the 3rd end of the 3rd switching tube Q3 is connected to main control circuit 20 via the 5th resistance R5.
Wherein, the first switching tube Q1, second switch pipe Q2 and the 3rd switching tube Q3 are triode, but are not limited only to triode components and parts.
In this embodiment, in load power source circuit, add new approaches, corresponding loaded work piece can be given by the voltage different accordingly according to the different operating State-output of air conditioner, add a phase-amplitude regulating circuit at the optocoupler input end of power supply output module.When main control circuit receives standby, different loads (can comprise lamp, sweep wind turbine, PG motor etc.) working signal, phase-amplitude regulating circuit changes optocoupler input signal by regulation voltage phase place, voltage magnitude, set up the new relation between load and feedback, and now switching power source chip does not update to new relation, think that load now exports very high or very low, thus reduce or peak load, reach the object according to load operating condition regulating load operating voltage.
Phase place, the amplitude of phase regulating circuit module regulating load output voltage, make between load output voltage and operating voltage, to set up new relation, and the switching power source chip in power supply output module is not updated to new relation, still according to old relation regulating load operating voltage, reach the object of regulating load operating voltage, the method can be called " deception chip " method, wherein, load comprises pattern lamp, PG motor and sweeps wind turbine etc., the various loads that air conditioner runs.
The principle of work of this control circuit: when current load needs operating on low voltage, main control circuit sends a signal to phase-amplitude regulating circuit, after phase-amplitude regulating circuit receives signal, regulation voltage phase place, amplitude, load output voltage is made to be increased to 5V from 1V, make between load output voltage and operating voltage, to set up new relation, suppose that now loaded work piece voltage is 12V, between load output voltage and operating voltage, new relation is 5: 12, and between load output voltage and operating voltage, old pass is 1: 12.Switching power source chip now detects that load output voltage is 5V, it still thinks old relation, it thinks that loaded work piece voltage now reaches 60V, beyond original 12V, thus regulate, loaded work piece voltage is reduced, thus reaches the object reducing loaded work piece voltage, power supply output module exports suitable voltage to loaded work piece.
When current load needs high-pressure work, main control circuit sends a signal to phase-amplitude regulating circuit, after phase-amplitude regulating circuit receives signal, regulation voltage phase place, amplitude, make load output voltage be increased to 1V from 5V, make between load output voltage and operating voltage, to set up new relation, suppose that now loaded work piece voltage is 12V, between load output voltage and operating voltage, new relation is 1: 12, and between load output voltage and operating voltage, old pass is 5: 12.Switching power source chip now detects that load output voltage is 1V, it still thinks old relation, loaded work piece voltage now it think to only have 2.4V, lower than original 12V, thus regulate, loaded work piece voltage is raised, thus reaches the object of peak load operating voltage, power supply output module exports suitable voltage to loaded work piece.
Wherein, come amplitude and the phase place of control voltage mainly through the break-make of triode in phase-amplitude regulating circuit, regulate the size of feedback voltage (optocoupler input), particularly, phase regulating circuit opens the turn-off time in conjunction with the first stabilivolt D1 and the second stabilivolt D2 to the change of the phase place and amplitude that regulate optocoupler input voltage mainly through triode.The variation range of load voltage can control between about 7.5V to 12V.
In this embodiment, power supply output module can adopt circuit as shown in Figure 3, the phase-amplitude regulating circuit that the part in Fig. 3 in dotted line frame provides for this embodiment.It should be noted that, the physical circuit of the power supply output module shown in Fig. 3, be only that the one signal of power supply output module illustrates, the phase-amplitude regulating circuit that this embodiment provides is not limited in and matches with the power supply output module shown in Fig. 3.
The control circuit of the air conditioner adopting this embodiment to provide, phase-amplitude regulating circuit forms simple, and cost is low.
Fig. 4 is the wiring schematic diagram of the control circuit of air conditioner according to a second embodiment of the present invention, and as shown in Figure 4, this control circuit comprises main control circuit, power supply output module and phase-amplitude regulating circuit.Wherein, power supply output module comprises Voltage stabilizing module, voltage changing module, power supply chip and optocoupler.
The first end of the phase comparator U1 of phase-amplitude regulating circuit is connected to the output terminal of power supply output module via the 9th resistance R9 and the 8th resistance R8, the 3rd node is provided with between the 8th resistance R8 and the 9th resistance R9,3rd node is connected to the first input end of optocoupler, the 4th node is provided with between phase comparator U1 and the 9th resistance R9,4th node is connected to the second input end of optocoupler, the second end ground connection of phase comparator U1.
The first end of the 4th switching tube Q4 is connected to the 4th node via the tenth resistance R10 and the first electric capacity C1, simultaneously, the first end of the 4th switching tube Q4 is connected between the 8th resistance R8 and the output terminal of power supply output module via the 16 resistance R16, through by the 13 resistance R13 ground connection after second end of the 4th switching tube Q4 and the three-terminal link of phase comparator U1, between the first end and second end of the 4th switching tube Q4 of the 4th switching tube Q4, be connected with the 12 resistance R12.
The first end ground connection of the 5th switching tube Q5, second end is connected with the 3rd end of the 4th switching tube Q4 via the 17 resistance R17, simultaneously, second end of the 5th switching tube Q5 is connected between the 8th resistance R8 and the output terminal of power supply output module via the 15 resistance R15, the three-terminal link of the 5th switching tube Q5 is to main control circuit, arrange the 5th node between end and main control circuit at the 3rd of the 5th switching tube Q5, the 5th node is via the 16 resistance R16 ground connection.
The principle of this control circuit is substantially identical with the principle of control circuit shown in Fig. 2, repeat no more herein, difference is it is not regulated by stabilivolt, but the output voltage of regulating load is carried out by phase comparator TL431, thus, the phase regulating circuit in this embodiment can make the variation range of load voltage more extensive.
Need to illustrate time, the present invention is not limited to the phase-amplitude regulating circuit shown in Fig. 2 or Fig. 4, all can play control phase amplitude components and parts and circuit should all comprise in the present invention.
Fig. 5 is the process flow diagram of the control method of air conditioner according to the embodiment of the present invention, and as shown in Figure 5, the method comprises following step S102 to step S108:
Step S102: the working signal receiving the load that air conditioner master chip issues, this working signal represents that load needs to be operated in high pressure or low pressure.
Step S104: the output voltage detecting air conditioner load.
Step S106: according to the output voltage of the working signal regulating load received.
Step S108: provide operating voltage to load according to the output voltage after regulating.
In this embodiment, first according to the output voltage of the working signal regulating load of load, and then when providing operating voltage to load, according to the load output voltage after regulating instead of the actual output voltage of load, thus the operating voltage of load is changed due to the output voltage change of feedback, when load operating condition changes, loaded work piece voltage can be changed in real time, supply high voltage in real time without the need to power supply, reduce the power consumption of air conditioner.
Preferably, working signal comprises high-pressure work signal and operating on low voltage signal, when master receives high-pressure work signal, also when namely load needs to be operated in high pressure conditions, reduce the output voltage of load, now power outputting section is thought to load provides the too low output voltage of load that causes of operating voltage to reduce, and thus can improve the operating voltage of load, provide working voltage to load.When receiving operating on low voltage signal, also when namely load needs to be operated in low-pressure state, the output voltage of peak load, now power outputting section is thought to load provides the too high output voltage of load that causes of operating voltage to raise, thus can reduce the operating voltage of load, provide work low pressure to load.
From above description, can find out, present invention achieves following technique effect: between main control circuit and power supply output module, increase phase-amplitude regulating circuit, utilize phase-amplitude regulating circuit according to the output voltage of load actual working state regulating load, power supply output module is made to provide operating voltage according to the actual output voltage of the load output voltage after adjustment instead of load to load, can when load operating condition changes, loaded work piece voltage is changed by regulating load output voltage, without the need to the real-time all output HIGH voltages of Switching Power Supply, reduce the power consumption of air conditioner.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a control circuit for air conditioner, is characterized in that, comprising:
Main control circuit, is connected with the first end of air conditioner load, for detecting the output voltage of described load and receiving the working signal of described load that described air conditioner master chip sends;
Phase-amplitude regulating circuit, is connected with described main control circuit, for regulating the output voltage of described load according to described working signal; And
Power supply output module, first end is connected with described phase-amplitude regulating circuit, and the second end of described power supply output module is connected with the second end of described load, for providing operating voltage according to the load output voltage after adjustment to described load.
2. the control circuit of air conditioner according to claim 1, is characterized in that, described working signal comprises high-pressure work signal and operating on low voltage signal, wherein,
When described main control circuit receives described high-pressure work signal, described phase-amplitude regulating circuit reduces the output voltage of described load, provides working voltage to make described power supply output module to described load;
When described main control circuit receives described operating on low voltage signal, described phase-amplitude regulating circuit improves the output voltage of described load, provides work low pressure to make described power supply output module to described load.
3. the control circuit of air conditioner according to claim 1, is characterized in that, described power supply output module comprises optocoupler, and described phase-amplitude regulating circuit comprises:
First voltage stabilizing diode (D1);
Second voltage stabilizing diode (D2), first end is connected with the first end of described first voltage stabilizing diode (D1), second end of described second voltage stabilizing diode (D2) is connected to the first input end of described optocoupler, wherein, the first end of described first voltage stabilizing diode (D1) and the first end of described second voltage stabilizing diode (D2) are provided with first node, described first node is connected to the output terminal of described power supply output module, the second input end grounding of described optocoupler;
First switching tube (Q1), first end is connected to the second end of described first voltage stabilizing diode (D1), and the second end of described first switching tube (Q1) is connected to the second end of described second voltage stabilizing diode (D2);
Second switch pipe (Q2), first end ground connection, the second end is connected to the 3rd end of described first switching tube (Q1); And
3rd switching tube (Q3), first end ground connection, second end is connected to the 3rd end of described second switch pipe (Q2), second end of described 3rd switching tube (Q3) is connected to power supply simultaneously, and the three-terminal link of described 3rd switching tube (Q3) is to described main control circuit.
4. the control circuit of air conditioner according to claim 3, it is characterized in that, described phase-amplitude regulating circuit also comprises: the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6) and the 7th resistance (R7), wherein
The first end of described first switching tube (Q1) is connected to the second end of described first voltage stabilizing diode (D1) via described first resistance (R1);
Second end of described second switch pipe (Q2) is connected to the 3rd end of described first switching tube (Q1) via described second resistance (R2);
Second end of described 3rd switching tube (Q3) is connected to the 3rd end of described second switch pipe (Q2) via described 3rd resistance (R3), second end of described 3rd switching tube (Q3) is connected to described power supply via described 4th resistance (R4) simultaneously, and the 3rd end of described 3rd switching tube (Q3) is connected to described main control circuit via described 5th resistance (R5); And
Second end of described second voltage stabilizing diode (D2) is via described 6th resistance (R6) and described 7th resistance (R7) ground connection, between described 6th resistance (R6) and described 7th resistance (R7), be provided with Section Point, described Section Point is connected to the first input end of described optocoupler.
5. the control circuit of air conditioner according to claim 1, is characterized in that, described power supply output module comprises optocoupler, and described phase-amplitude regulating circuit comprises:
8th resistance (R8);
9th resistance (R9), first end is connected with the first end of described 8th resistance (R8), wherein, be provided with the 3rd node between the first end of described 8th resistance (R8) and the first end of described 9th resistance (R9), described 3rd node is connected to the first input end of described optocoupler;
Phase comparator (U1), first end is connected to the second end of described 9th resistance (R9), second end ground connection of described phase comparator (U1), between the first end and the second end of described 9th resistance (R9) of described phase comparator (U1), be provided with the 4th node, described 4th node is connected to the second input end of described optocoupler;
First electric capacity (C1), first end is connected to described 4th node;
4th switching tube (Q4), first end is connected with the second end of described first electric capacity (C1), simultaneously, the first end of described 4th switching tube (Q4) is connected with the second end of described 8th resistance (R8), ground connection after the second end of described 4th switching tube (Q4) and the three-terminal link of described phase comparator (U1);
5th switching tube (Q5), first end ground connection, second end is connected with the 3rd end of described 4th switching tube (Q4), simultaneously, second end of described 5th switching tube (Q5) is connected with the second end of described 8th resistance (R8), and the three-terminal link of described 5th switching tube (Q5) is to described main control circuit.
6. the control circuit of air conditioner according to claim 5, it is characterized in that, described phase-amplitude regulating circuit also comprises: the tenth resistance (R10), the 11 resistance (R11), the 12 resistance (R12), the 13 resistance (R13), the 14 resistance (R14), the 15 resistance (R15) and the 16 resistance (R16), wherein
The first end of described 4th switching tube (Q4) is connected with the second end of described first electric capacity via described tenth resistance (R10);
The first end of described 4th switching tube (Q4) is connected via second end of described 11 resistance (R11) with described 8th resistance (R8);
Described 12 resistance (R12) is connected with between the first end and the second end of described 4th switching tube (Q4) of described 4th switching tube (Q4);
Through by described 13 resistance (R13) ground connection after second end of described 4th switching tube (Q4) and the three-terminal link of described phase comparator (U1);
Second end of described 5th switching tube (Q5) is connected via the 3rd end of described 14 resistance (R14) with described 4th switching tube (Q4);
Second end of described 5th switching tube (Q5) is connected via second end of described 15 resistance (R15) with described 8th resistance (R8); And
Between the 3rd end and described main control circuit of described 5th switching tube (Q5), arrange the 5th node, described 5th node is via described 16 resistance (R16) ground connection.
7. the control circuit of the air conditioner according to claim 4 or 6, is characterized in that, the switching tube in described phase-amplitude regulating circuit is triode.
8. an air conditioner, is characterized in that, comprises the control circuit of the air conditioner according to any one of claim 1 to 7.
9. a control method for air conditioner, comprising:
Receive the working signal of the load that air conditioner master chip sends;
Detect the output voltage of described load;
Described output voltage is regulated according to the working signal received; And
Operating voltage is provided to described load according to the output voltage after regulating.
10. the control method of air conditioner according to claim 9, it is characterized in that, described working signal comprises high-pressure work signal and operating on low voltage signal, wherein, regulate described output voltage according to the working signal received and provide operating voltage to comprise according to the output voltage after regulating to described load:
When receiving described high-pressure work signal, reducing described output voltage and providing working voltage according to the output voltage after regulating to described load; And
When receiving described operating on low voltage signal, improving described output voltage and providing work low pressure according to the output voltage after regulating to described load.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2251111Y (en) * | 1996-01-21 | 1997-04-02 | 常州市华科空调器厂 | Voltage regulator for air conditioner and air conditioner with voltage regulator |
| CN2630715Y (en) * | 2003-06-24 | 2004-08-04 | 黄加玉 | Energy-saving air-conditioner and air-exhaust fan control device |
| CN201893979U (en) * | 2010-12-14 | 2011-07-06 | 厦门玛司特电子工业有限公司 | High-power efficient constant-current light-emitting diode (LED) driver |
| CN202710963U (en) * | 2012-07-23 | 2013-01-30 | 珠海格力电器股份有限公司 | Air-conditioner and control circuit thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10336512B4 (en) * | 2002-08-08 | 2015-12-17 | Denso Corporation | Control device for PWM control of two inductive loads with reduced generation of electrical noise |
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2012
- 2012-07-23 CN CN201210256079.5A patent/CN103576564B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2251111Y (en) * | 1996-01-21 | 1997-04-02 | 常州市华科空调器厂 | Voltage regulator for air conditioner and air conditioner with voltage regulator |
| CN2630715Y (en) * | 2003-06-24 | 2004-08-04 | 黄加玉 | Energy-saving air-conditioner and air-exhaust fan control device |
| CN201893979U (en) * | 2010-12-14 | 2011-07-06 | 厦门玛司特电子工业有限公司 | High-power efficient constant-current light-emitting diode (LED) driver |
| CN202710963U (en) * | 2012-07-23 | 2013-01-30 | 珠海格力电器股份有限公司 | Air-conditioner and control circuit thereof |
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| Publication number | Publication date |
|---|---|
| CN103576564A (en) | 2014-02-12 |
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