CN101929770A - Control circuit of hot water air conditioner - Google Patents
Control circuit of hot water air conditioner Download PDFInfo
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- CN101929770A CN101929770A CN2009100879501A CN200910087950A CN101929770A CN 101929770 A CN101929770 A CN 101929770A CN 2009100879501 A CN2009100879501 A CN 2009100879501A CN 200910087950 A CN200910087950 A CN 200910087950A CN 101929770 A CN101929770 A CN 101929770A
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Abstract
The invention discloses a control circuit of hot water air conditioner, which is used for controlling the hot water air conditioner; the control circuit is provided with a plurality of control signal input/output ends, the input ends are used for receiving keystroke or an operation command signal input by a remote controller, switch circuits for the startup/shutdown of a compressor, the startup/shutdown of an indoor/outdoor fan, the reversal of a four-way reversal valve, the opening adjustment of an electronic expansion valve, a normally open valve and a normally closed valve are connected in parallel at the control signal output ends; the control circuit is internally provided with a central processing unit and a storage module, the central processing unit is used for receiving the operation command signal, then calling information stored in the storage module for being processed, and finally outputs the operation command signal to the control signal output ends, and the information stored in the storage module comprises a control program which controls the operating mode of the hot water air conditioner. The circuit can achieve reliable control for a plurality of operating modes of the air conditioner, such as refrigeration, heating, hot water supply, defrosting and the like, and has simple structure and low cost.
Description
Technical field
The present invention relates to air-conditioner, be specifically related to a kind of control circuit that generates the air conditioner able to heat water of hot water.
Background technology
In the refrigeration or heating recycle system of existing air-conditioner, need use refrigerant as the media that freezes or heat, refrigerant absorbs heat from an end of system through evaporimeter in the circulatory system, refrigerant discharges heat through condenser at the other end of system again.Twice cold and hot exchange of refrigerant generally need be finished by heat exchanger, and that heat exchanger has is a variety of.Carry out cold and hot exchange as the air that the refrigerant in the pipeline and pipeline is outer, its concrete grammar is, on the outer wall of pipeline fin is housed, and dispels backing with fan again, makes the gas of low temperature and the pipe outer wall and the fin of high temperature carry out cold and hot exchange.Also have the cooling water outside refrigerant in the pipeline and the pipeline is carried out cold and hot exchange, its concrete grammar is, on the outer wall of pipeline, fin is housed, pipeline and fin are placed in the water tank, water tank is connected with water capable of circulation, makes the pipe outer wall of water at low temperature and high temperature and fin carry out cold and hot exchange.Also having a kind of method is that medium circulation pipeline and water circulation pipe row arranged side by side are connected together, and owing to the temperature difference that flows through refrigerant in two pipelines, carries out cold and hot exchange by the contact of pipeline outer wall each other.The cyclic process of above-mentioned refrigerant all is to carry out under the control of electric control system, control circuit just is used to control the refrigeration of air-conditioner and/or heat circulation mostly in existing air-conditioner, and the control air-conditioner freezes, heats, heats the control circuit of plurality of operating modes such as water, defrosting and also is not widely used.Existing air conditioner control circuit, the Teat pump boiler control circuit, since separately the refrigerant circulating path of system, select for use its control circuit of difference and the control program of circulation member all to exist bigger difference, therefore be necessary the control circuit and the control program of existing air-conditioner, Teat pump boiler are improved design.
Summary of the invention
The objective of the invention is to overcome defective of the prior art, design a kind of control circuit of air conditioner able to heat water.This circuit can be to air conditioner refrigerating, heat, heat plurality of operating modes such as water, defrosting controls reliably, and it is simple and direct to have a control program, and circuit structure is simple, characteristics with low cost.
For achieving the above object, technical scheme of the present invention is a kind of control circuit of air conditioner able to heat water, comprise the control circuit that is used to control the air conditioner able to heat water operation, described control circuit is provided with the I/O end of several control signals, the input of described control signal is used to receive the operation instruction signal of button or the input of remote controller end, be parallel with the on-off circuit of compressor start/stop operation at described control signal output, the on-off circuit of outdoor fan start/stop operation, the on-off circuit of indoor fan start/stop operation, the on-off circuit of four-way change-over valve commutation, regulate the circuit of electronic expansion valve opening, the on-off circuit of first normally open valve, the on-off circuit of first normally close valve, the on-off circuit of second normally open valve, the on-off circuit of second normally close valve, the on-off circuit of the 3rd normally close valve, conducting under the described on-off circuit power-up state, described on-off circuit power-down state is outage down; In described control circuit, be provided with central processing unit, memory module, described central memory is used to receive described operation instruction signal, after calling in the memory module canned data then and handling, output control instruction signal is to the output of described control signal, and the information of storing in described memory module comprises the control program of controlling described air conditioner able to heat water operational mode.
Wherein, the control program of described operational mode comprises refrigerating operaton pattern, heating operation pattern, heats the water running pattern, refrigeration heats the water running pattern simultaneously, heat the water running pattern that heats simultaneously, A Defrost operation pattern, B Defrost operation pattern, C Defrost operation pattern.
Wherein, first normally open valve, first normally close valve power under described refrigerating operaton pattern, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
Wherein, first normally open valve, first normally close valve power under described heating operation pattern, second normally open valve, second normally close valve, the 3rd normally close valve power down, four-way change-over valve powers on, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
Wherein, heat first normally open valve under the water running pattern, the first normally closed power down described, second normally open valve, second normally close valve power on, the 3rd normally close valve power down, four-way change-over valve powers on, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, and the 2 seconds outdoor fans that lag behind start operation.
Wherein, heat first normally open valve under the water running pattern, the first normally close valve power down simultaneously in described refrigeration, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
Wherein, heat first normally open valve under the water running pattern, first normally close valve, second normally open valve, second normally close valve, the 3rd normally close valve power down simultaneously described heating, four-way change-over valve powers on, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
Wherein, the sensor under described A Defrost operation pattern in the off-premises station sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, the second normally close valve power down, the 3rd normally close valve, four-way change-over valve, first normally open valve power on, the first normally close valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
Wherein, the sensor under described B Defrost operation pattern in the off-premises station sends signal to controlling described system circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, second normally close valve power on, the 3rd normally close valve power down, and four-way change-over valve, first normally open valve, first normally close valve power on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
Wherein, the sensor under described C Defrost operation pattern in the off-premises station sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; First normally open valve, first normally close valve power on, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
Advantage of the present invention and beneficial effect are: this circuit can to the refrigeration of air-conditioner, heat, heat plurality of operating modes such as water, defrosting carry out automatically, efficiently, safe and reliable control, and it is simple and direct to have a control program, circuit structure is simple, and is with low cost, the characteristics of easy operating.
Description of drawings
Fig. 1 is the system construction drawing of air conditioner able to heat water of the present invention;
Fig. 2 is the circuit structure block diagram of air conditioner able to heat water of the present invention;
Fig. 3 is the flow chart of the control procedure of air conditioner able to heat water of the present invention.
Among Fig. 1: 1, compressor; 2, A tee pipe fitting; 3, first normally open valve; 4, first normally close valve; 5, heat exchanger; 6, B tee pipe fitting; 7, four-way change-over valve; 8, condenser; 9, expansion valve; 10, evaporimeter; 11, check valve; 12, second normally open valve; 13, second normally close valve; 14, the 3rd normally close valve; 15, water tank; 16, cooling water inlet; 17, hot water outlet; 18, pressure-reducing valve; 19, second check valve; 20, water source from the beginning; 21, heating device; 22, water pump; 23, valve.
Among Fig. 3:
A, program are initial.
B, outdoor plate, air-conditioning inner panel, line control machine communication, judge, determine the operational mode of system according to condition.
C-1, refrigeration mode operation, normally open valve 1, normally close valve 1 power on;
C-2, normally open valve 2, normally close valve 2, normally close valve 3, cross valve power down;
C-3, electric expansion valve transfer valve to put in place;
C-4, compressor start, the outer blower fan of hysteresis 2S starts operation, system's refrigerating operaton.
D-1, heating mode operation, normally open valve 1, normally close valve 1 power on;
D-2, normally open valve 2, normally close valve 2, normally close valve 3 power down, cross valve power on;
D-3, electric expansion valve transfer valve to put in place;
D-4, compressor start, the outer blower fan of hysteresis 2S starts operation, starts operation, heating operation after air conditioning chamber's inner blower satisfies condition.
E-1, hot water mode operation, normally open valve 1, normally close valve 1 power down;
E-2, normally open valve 2, normally close valve 2 power on, normally close valve 3 power down, and cross valve powers on;
E-3, electric expansion valve transfer valve to put in place;
E-4, compressor start, the outer blower fan of hysteresis 2S starts operation, and system heats water running.
F-1, the operation of cooling and warming aqueous mode, normally open valve 1, normally close valve 1 power down;
F-2, normally open valve 2, normally close valve 2, normally close valve 3, cross valve power down;
F-3, electric expansion valve transfer valve to put in place;
F-4, compressor start, the outer blower fan of hysteresis 2S starts operation, system's cooling and warming aqueous mode operation.
G-1, heat aqueous mode operation, normally open valve 1, normally close valve 1 power down;
G-2, normally open valve 2, normally close valve 2, normally close valve 3 power down, cross valve powers on;
G-3, electric expansion valve transfer valve to put in place;
G-4, compressor start, the outer blower fan of hysteresis 2S starts operation, starts operation after air conditioning chamber's inner blower satisfies condition, and system heats water running.
H-1, the full frost of judgement off-premises station knot enter the operation of A defrosting mode;
H-2, normally open valve 2, normally close valve 2 hold modes, normally close valve 3 powers on, and cross valve keeps powering on, and normally open valve 1 powers on, normally close valve 1 power down;
H-3, electric expansion valve transfer valve to put in place;
H-4, compressor keep operation, and outer blower fan is out of service, keep the operation of A defrosting mode.
I-1, the full frost of judgement off-premises station knot enter the operation of B defrosting mode;
I-2, normally open valve 2, normally close valve 2 powers on, and normally close valve 3 keeps power down, and cross valve keeps powering on, normally open valve 1, normally close valve 1 powers on;
I-3, electric expansion valve transfer valve to put in place;
I-4, compressor keep operation, and outer blower fan is out of service, keep the operation of B defrosting mode.
J-1, the full frost of judgement off-premises station knot enter the operation of C defrosting mode;
J-2, electric expansion valve transfer valve to put in place;
J-3, normally open valve 1, normally close valve 1 powers on, normally open valve 2, normally close valve 2, normally close valve 3, cross valve power down;
J-4, compressor keep operation, and outer blower fan is out of service, keep the operation of C defrosting mode.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
As shown in Figure 1, the concrete technical scheme of implementing of the present invention is:
Embodiment 1
As shown in Figure 2, a kind of control circuit of air conditioner able to heat water, comprise the control circuit that is used to control the air conditioner able to heat water operation, described control circuit is provided with the I/O end of several control signals, the input of described control signal is used to receive the operation instruction signal of button or the input of remote controller end, be parallel with the on-off circuit of compressor start/stop operation at described control signal output, the switch road of outdoor fan start/stop operation, the switch road of indoor fan start/stop operation, the on-off circuit of four-way change-over valve commutation, regulate the circuit of electronic expansion valve opening, the on-off circuit of first normally open valve, the on-off circuit of first normally close valve, the on-off circuit of second normally open valve, the on-off circuit of second normally close valve, the on-off circuit of the 3rd normally close valve, conducting under the described on-off circuit power-up state, described on-off circuit power-down state is outage down; In described control circuit, be provided with central processing unit, memory module, described central memory is used to receive described operation instruction signal, call then in the memory module canned data go forward side by side handle after, output control instruction signal is to the output of described control signal, and the information of storing in described memory module comprises the control program of controlling described air conditioner able to heat water operational mode.
As shown in Figure 3, on the basis of embodiment 1, the control program of operational mode of the present invention comprises refrigerating operaton pattern, heating operation pattern, heats the water running pattern, refrigeration heats the water running pattern simultaneously, heat the water running pattern that heats simultaneously, A Defrost operation pattern, B Defrost operation pattern, C Defrost operation pattern.
As shown in Figure 3, on the basis of embodiment 2, the present invention first normally open valve, first normally close valve under described refrigerating operaton pattern power on, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
As shown in Figure 3, on the basis of embodiment 2, the present invention first normally open valve, first normally close valve under described heating operation pattern power on, second normally open valve, second normally close valve, the 3rd normally close valve power down, four-way change-over valve powers on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
As shown in Figure 3, on the basis of embodiment 2, the present invention heats first normally open valve under the water running pattern, the first normally closed power down described, second normally open valve, second normally close valve power on, the 3rd normally close valve power down, four-way change-over valve powers on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
As shown in Figure 3, on the basis of embodiment 2, the present invention heats first normally open valve under the water running pattern, the first normally close valve power down simultaneously in described refrigeration, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
As shown in Figure 3, on the basis of embodiment 2, the present invention heats first normally open valve under the water running pattern, first normally close valve, second normally open valve, second normally close valve, the 3rd normally close valve power down simultaneously described heating, four-way change-over valve powers on, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
As shown in Figure 3, on the basis of embodiment 2, the present invention's sensor in the off-premises station under described A Defrost operation pattern sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, the second normally close valve power down, the 3rd normally close valve, four-way change-over valve, first normally open valve power on, the first normally close valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
Embodiment 9
As shown in Figure 3, on the basis of embodiment 2, the present invention, the sensor under described B Defrost operation pattern in the off-premises station sends signal to controlling described system circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, second normally close valve power on, the 3rd normally close valve power down, and four-way change-over valve, first normally open valve, first normally close valve power on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
As shown in Figure 3, on the basis of embodiment 2, the present invention's sensor in the off-premises station under described C Defrost operation pattern sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; First normally open valve, first normally close valve power on, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
As shown in Figure 1, air conditioner able to heat water among the present invention, comprise air-conditioner and water heater, in described air-conditioner, be provided with compressor 1, on described compressor 1, be provided with coolant outlet port, described coolant outlet port is connected with an end of A tee pipe fitting 2 by the road, and the two ends in addition of described A tee pipe fitting 2 are connected with the arrival end of first normally open valve 3, first normally close valve 4 respectively by the road.Wherein, when normal operation, first normally open valve 3, first normally close valve, 4 no powers, HTHP refrigerant are introduced in the heat exchanger 5 after discharging in the compressor 1 circular flow that described first normally open valve 3 and first normally close valve 4 are used for guiding refrigerant to, air conditioner able to heat water.The port of export of described first normally open valve 3 by the road with water heater in heat exchanger 5 in the refrigerant inlet be connected, refrigerant exit in the described heat exchanger 5 is connected with an end of B tee pipe fitting 6 by the road, and the in addition two ends of described B tee pipe fitting 6 are connected with the port of export of first normally close valve 4, the refrigerant arrival end of four-way change-over valve 7 in the air-conditioner respectively; Air-conditioner is under refrigeration mode, described HTHP refrigerant by the refrigerant exit of compressor 1 discharge by the road, first normally open valve 3, heat exchanger 5, four-way change-over valve 7 flow into condensers 8, the refrigerant that flows back to compressor 1 through expansion valve 9, evaporimeter 10, four-way change-over valve 7 is answered back again, air-conditioner is under heating mode, from four-way change-over valve 7 inflow evaporators 10, the refrigerant that flows back to compressor 1 through expansion valve 9, condenser 8, four-way change-over valve 7 is answered back again by the refrigerant of discharging in the heat exchanger 5.
Can be provided with check valve 11 between coolant outlet port in described heat exchanger 5 and the described B tee pipe fitting 6, described check valve 11 is used to stop described first normally close valve 4 to open the path that the back refrigerant flows into described heat exchanger.Because the refrigerant of discharging in the compressor 1 after first normally close valve 4 is opened mainly is to be used for defrosting, can not the flowing in the heat exchanger of refrigerant this moment.
Between a port of described four-way change-over valve 7 and described evaporimeter 10, be in series with second normally open valve 12, be parallel with second normally close valve 13 between another port of evaporimeter 10 between the four-way change-over valve 7 and second normally open valve 12.Described second normally open valve 12 and second normally close valve 13 also are used to defrost, air-conditioner is second normally open valve 12 and second normally close valve, 13 no powers when normal heating operation, refrigerant flows out back inflow evaporator 10 from four-way change-over valve 7, and then flow into expansion valve 9, condenser 8, when air-conditioner is operated in defrost state, second normally open valve 12 and 13 energisings of second normally close valve, refrigerant will flow directly into expansion valve 9 after four-way change-over valve 7 flows out, and then flow in the condenser 8, evaporimeter at this moment will be by short circuit.
Can be connected with the 3rd normally close valve 14 between the port of described condenser 8 between described first normally open valve 3 and first normally close valve 4, described the 3rd normally close valve 14 is used for compressor 1 coolant adding, or air-conditioner is recovered to getter in the compressor with the refrigerant in condenser 8, evaporimeter 10 and the circulation line when telephone-moving, maintenance.
Described heat exchanger 5 can be arranged in the water tank 15, on described water tank 15, be provided with cooling water inlet 16 and hot water outlet 17.
Described cooling water inlet 16 is connected with water source 20 from the beginning by pressure-reducing valve 18, second check valve 19, and above-mentioned parts are used for retaining in described water tank.
Described according to actual needs hot water outlet 17 can be provided with several, described several hot water outlets 17 connect life hot water port, heating hot water port respectively, described heating is held with the hot water inlet of heating device 21 with the hot water port and is connected, the water return outlet that the hot water outlet end of described heating device 21 is provided with in water pump 22, valve 23 and water heater 5 is connected, and described heating device mainly is to be used for winter heating.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the control circuit of an air conditioner able to heat water, it is characterized in that, comprise the control circuit that is used to control the air conditioner able to heat water operation, described control circuit is provided with the I/O end of several control signals, the input of described control signal is used to receive the operation instruction signal of button or the input of remote controller end, be parallel with the on-off circuit of compressor start/stop operation at described control signal output, the switch road of outdoor fan start/stop operation, the switch road of indoor fan start/stop operation, the on-off circuit of four-way change-over valve commutation, regulate the circuit of electronic expansion valve opening, the on-off circuit of first normally open valve, the on-off circuit of first normally close valve, the on-off circuit of second normally open valve, the on-off circuit of second normally close valve, the on-off circuit of the 3rd normally close valve, conducting under the described on-off circuit power-up state, described on-off circuit power-down state is outage down; In described control circuit, be provided with central processing unit, memory module, described central memory is used to receive described operation instruction signal, call then in the memory module canned data go forward side by side handle after, output control instruction signal is to the output of described control signal, and the information of storing in described memory module comprises the control program of controlling described air conditioner able to heat water operational mode.
2. the control circuit of air conditioner able to heat water as claimed in claim 1, it is characterized in that the control program of described operational mode comprises refrigerating operaton pattern, heating operation pattern, heats the water running pattern, refrigeration heats the water running pattern simultaneously, heat the water running pattern that heats simultaneously, A Defrost operation pattern, B Defrost operation pattern, C Defrost operation pattern.
3. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, first normally open valve, first normally close valve power under described refrigerating operaton pattern, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
4. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, first normally open valve, first normally close valve power under described heating operation pattern, second normally open valve, second normally close valve, the 3rd normally close valve power down, four-way change-over valve powers on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
5. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, heat first normally open valve under the water running pattern, the first normally closed power down described, second normally open valve, second normally close valve power on, the 3rd normally close valve power down, four-way change-over valve powers on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
6. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, heat first normally open valve under the water running pattern, the first normally close valve power down simultaneously in described refrigeration, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation.
7. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, heat first normally open valve under the water running pattern, first normally close valve, second normally open valve, second normally close valve, the 3rd normally close valve power down simultaneously described heating, four-way change-over valve powers on, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, compressor start, the 2 seconds outdoor fans that lag behind start operation, start operation after indoor fan satisfies condition.
8. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, sensor under described A Defrost operation pattern in the off-premises station sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, the second normally close valve power down, the 3rd normally close valve, four-way change-over valve, first normally open valve power on, the first normally close valve power down, the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
9. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, sensor under described B Defrost operation pattern in the off-premises station sends signal to controlling described system circuit, the frosting signal output control signal that described control circuit sends according to described sensor; Second normally open valve, second normally close valve power on, the 3rd normally close valve power down, and four-way change-over valve, first normally open valve, first normally close valve power on, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
10. the control circuit of air conditioner able to heat water as claimed in claim 2, it is characterized in that, sensor under described C Defrost operation pattern in the off-premises station sends signal to described control circuit, the frosting signal output control signal that described control circuit sends according to described sensor; First normally open valve, first normally close valve power on, second normally open valve, second normally close valve, the 3rd normally close valve, four-way change-over valve power down, and the circuit of regulating electronic expansion valve opening puts the aperture adjusting in place, and compressor keeps operation, and outdoor fan is out of service.
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| CN 200910087950 CN101929770B (en) | 2009-06-25 | 2009-06-25 | Control circuit of hot water air conditioner |
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| CN 200910087950 CN101929770B (en) | 2009-06-25 | 2009-06-25 | Control circuit of hot water air conditioner |
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| CN101929770B CN101929770B (en) | 2012-07-25 |
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| CN102425885A (en) * | 2011-11-25 | 2012-04-25 | 海信（山东）空调有限公司 | Air-conditioning system with compressor directly heating hot water, and working method thereof |
| CN102425884A (en) * | 2011-11-25 | 2012-04-25 | 海信（山东）空调有限公司 | Water unit air-conditioning system with compressor directly heating hot water, and working method thereof |
| CN102563962A (en) * | 2011-11-25 | 2012-07-11 | 海信（山东）空调有限公司 | Multi-split air conditioning system with compressor capable of directly heating water and working method of multi-split air conditioning system |
| CN102679516A (en) * | 2011-03-15 | 2012-09-19 | 封贻沛 | Method and system for making hot water by using cool-warm air-conditioner waste heat |
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| CN201093649Y (en) * | 2007-09-24 | 2008-07-30 | 刘毅 | Full heat recovery instant heating circulating type water heat supply central air conditioner |
| CN101158493A (en) * | 2007-11-15 | 2008-04-09 | 浙江大学 | Air conditioner source water heater capable of being conveniently assembled |
| CN201463434U (en) * | 2009-06-25 | 2010-05-12 | 海尔集团公司 | Control circuit for hot water air conditioner |
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| CN102679516A (en) * | 2011-03-15 | 2012-09-19 | 封贻沛 | Method and system for making hot water by using cool-warm air-conditioner waste heat |
| CN102425885A (en) * | 2011-11-25 | 2012-04-25 | 海信（山东）空调有限公司 | Air-conditioning system with compressor directly heating hot water, and working method thereof |
| CN102425884A (en) * | 2011-11-25 | 2012-04-25 | 海信（山东）空调有限公司 | Water unit air-conditioning system with compressor directly heating hot water, and working method thereof |
| CN102563962A (en) * | 2011-11-25 | 2012-07-11 | 海信（山东）空调有限公司 | Multi-split air conditioning system with compressor capable of directly heating water and working method of multi-split air conditioning system |
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