CN104566864A - Air conditioner using combustible refrigerants and control method - Google Patents
Air conditioner using combustible refrigerants and control method Download PDFInfo
- Publication number
- CN104566864A CN104566864A CN201410857596.7A CN201410857596A CN104566864A CN 104566864 A CN104566864 A CN 104566864A CN 201410857596 A CN201410857596 A CN 201410857596A CN 104566864 A CN104566864 A CN 104566864A
- Authority
- CN
- China
- Prior art keywords
- conditioner
- air
- magnetic valve
- premises station
- indoor set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
Abstract
The invention provides an air conditioner using combustible refrigerants and a control method. The air conditioner comprises a compressor, an indoor unit, an outdoor unit, a first solenoid valve, a second solenoid valve, a sensing unit, a first detection unit, a second detection unit and a control part. The indoor unit and the outdoor unit are connected through a pipe to form a circulation loop. The first solenoid valve and the second solenoid valve are arranged between the indoor unit and the outdoor unit, and the sensing unit is connected on the pipe between the second solenoid valve and the indoor unit. The first detection unit is arranged nearby the outdoor unit, and the second detection unit is arranged nearby the indoor unit. The control part receives pressure parameter values, first state information and second state information. By means of the air conditioner and the method, refrigerant leakage safety protection of the indoor and outdoor sides is considered, whether flame safety protection is in the peripheries of the indoor unit and the outdoor unit is considered, the burning risk in the room is reduced, and the user body and property safety is guaranteed.
Description
Technical field
The present invention relates to detection of air-conditioning technical field, use the air-conditioner of combustible refrigerant and a kind of control method using the air-conditioner of combustible refrigerant in particular to a kind of.
Background technology
The refrigerant that combustible refrigerant air-conditioner adopts due to it is flammable, therefore once refrigerant leaks, if produce electric spark etc. in air conditioner operation process, refrigerant will be caused to burn, cause air-conditioner scaling loss, severe patient is initiation fire even, causes larger economic loss.Existing combustible refrigerant air-conditioner biases toward the safety problem or hidden danger of taking precautions against and directly being caused by problems such as the leakages inside air conditioner chamber.And in the use procedure of air-conditioner, also there will be off-premises station generation coolant leakage, if outside is on fire for some reason, the fire accident of outdoor environment also may be introduced indoor by combustible refrigerant air-conditioner, causes indoor danger of even exploding on fire.
Therefore, how to ensure the security protection of the off-premises station generation coolant leakage of air-conditioner, become technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, one object of the present invention is to propose a kind of air-conditioner using combustible refrigerant.
Another object of the present invention is the control method proposing the air-conditioner using combustible refrigerant.
For achieving the above object, embodiment according to an aspect of the present invention, proposes a kind of air-conditioner using combustible refrigerant, comprising: compressor; Indoor set and off-premises station, wherein, described indoor set and described off-premises station connect into closed circuit by pipeline; First magnetic valve; Second magnetic valve, described first magnetic valve and described second magnetic valve are arranged between described indoor set and described off-premises station, control the break-make of pipeline between described indoor set and described off-premises station according to the control signal received; Sensing device, is connected on the pipeline between described second magnetic valve and described indoor set, for detecting the pressure parameter value on described pipeline, and described pressure parameter value is sent to control assembly; First checkout gear, near the electric-controlled box being arranged on described off-premises station or air outlet, detects the first status information that described off-premises station is corresponding, and described first status information is sent to described control assembly; Second detection device, near the electric-controlled box being arranged on described indoor set or air outlet, detects the second status information that described indoor set is corresponding, and described second status information is sent to described control assembly; Described control assembly, receive from described pressure parameter value, described first status information and described second status information, described control signal is sent, to control the break-make of described pipeline to described first magnetic valve and described second magnetic valve according to described pressure parameter value, described first status information and described second status information.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, indoor set and off-premises station are all provided with the checkout gear of detected state information, be provided with the sensing device of pressure parameter value on signal piping simultaneously, like this, the status information of off-premises station and indoor set is detected respectively by the first checkout gear and second detection device, by sensing device detected pressures parameter value, control the operation of air-conditioner and the switch of each valve by status information and pressure parameter value.Like this, not only consider that the security protection of coolant leakage occurs in indoor, have also contemplated that the security protection of off-premises station generation coolant leakage, also contemplate the security protection that there is flame around indoor set or off-premises station simultaneously, by the break-make of each valve of conservative control, reduce the leakage rate of combustible refrigerant in room, when preventing from reclaiming refrigerant, air is inhaled into compressor and causes compressor damage or blast simultaneously, play the risk reducing room combustion, ensure user's personal safety and safety of property.
Particularly, indoor set comprises indoor heat exchanger, and off-premises station comprises outdoor heat exchanger.
According to one embodiment of present invention, described first status information comprises: the ambient temperature information residing for described off-premises station and/or flow through the concentration information of refrigerant of described off-premises station, and described second status information comprises: the ambient temperature information residing for described indoor set and/or flow through the concentration information of refrigerant of described off-premises station.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, status information comprises the concentration information of ambient temperature information and refrigerant, if environment temperature is higher than certain value, then illustrate to there is flame around air-conditioner, if refrigerant concentration is higher than certain value, then illustrate and coolant leakage occurs, thus control in time, ensure personal safety and the property safety of user.
According to one embodiment of present invention, also comprise: exhaust apparatus, be arranged on the pipeline between described second magnetic valve and described compressor, according to the control instruction from described control assembly received, the coolant discharging in described off-premises station pipeline is extremely outdoor; And described control assembly also for: send described control instruction to described exhaust apparatus, to control the opening and closing of described exhaust apparatus according to described pressure parameter value, described first status information and described second status information.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, in off-premises station side, exhaust apparatus is set, and according to control instruction by coolant discharging to outdoor environment, thus refrigerant contained in indoor set is emitted by the tapping equipment at off-premises station place, reduce the content of combustible refrigerant in indoor set, avoid igniting because refrigerant content is excessive in indoor set, ensure the safety of user further.
According to one embodiment of present invention, also comprise: pipeline reversing service, be arranged between described compressor and described off-premises station, for controlling the change of the stream of refrigerant in described pipeline; Throttling arrangement, is arranged between described off-premises station and described first magnetic valve.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, when air-conditioner is in refrigeration mode or heating mode, controlled the stream of refrigerant by pipeline reversing service, the switching carried out air-conditioner refrigeration and heat.
According to one embodiment of present invention, described exhaust apparatus comprises air bleeding valve, described pipeline reversing service comprises cross valve, if the first checkout gear and second detection device detected temperatures, it can be then the device of the energy detected temperatures such as temperature sensor, if detect refrigerant concentration, then it can be the refrigerant detecting sensor etc. detecting secondary refrigerant leakage.
According to one embodiment of present invention, also comprise: warning device, be connected to described control assembly, receive the alarm signal sent from described control assembly, and report to the police according to described alarm signal.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, also be provided with warning device, air-conditioner occur leak time or described air-conditioner around there is flame, to warning device send warning message, with by warning device timely reminding user air-conditioning break down.
According to one embodiment of present invention, also comprise: display unit, be connected to described control assembly, receive the warning message sent from described control assembly, and described warning message is shown.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, be also provided with display unit, control assembly sends warning message to display unit, and display unit shows, and like this, user can see the fault of air-conditioner intuitively.Particularly, the failure code that the failure cause of air-conditioner is corresponding can be comprised in warning message.
According to one embodiment of present invention, described sensing device comprises pressure sensor.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, sensing device can adopt pressure sensor, is detected and transmits the force value of refrigerant, thus make air-conditioner can come to control more accurately by the change of force value by pressure sensor.
According to one embodiment of present invention, the described refrigerant in described pipeline is flammable refrigerant.
According to a further aspect in the invention, also proposed a kind of control method using the air-conditioner of combustible refrigerant, comprise: when described air-conditioner normally runs, detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear of described air-conditioner and second detection device, and detect the pressure parameter value on described indoor set and described off-premises station pipeline by sensing device; Judge whether described off-premises station and described indoor set occur whether there is flame around coolant leakage or air-conditioner according to described first status information, described second status information; The operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, indoor set and off-premises station are all provided with the checkout gear of detected state information, be provided with the sensing device of pressure parameter value on signal piping simultaneously, like this, the status information of off-premises station and indoor set is detected respectively by the first checkout gear and second detection device, by sensing device detected pressures parameter value, control the operation of air-conditioner and the switch of each valve by status information and pressure parameter value.Like this, not only consider that the security protection of coolant leakage occurs in indoor, have also contemplated that the security protection of off-premises station generation coolant leakage simultaneously, also contemplate the security protection that there is flame around indoor set or off-premises station simultaneously, by the break-make of each valve of conservative control, reduce the leakage rate of combustible refrigerant in room, when preventing from reclaiming refrigerant, air is inhaled into compressor and causes compressor damage or blast simultaneously, play the risk reducing room combustion, ensure user's personal safety and safety of property.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the first magnetic valve in described air-conditioner, the opening and closing of the second magnetic valve and exhaust apparatus, specifically comprise: when described air-conditioner is current be in refrigeration mode or heating mode run time, if judged result is described off-premises station generation coolant leakage, the then compressor of described air-conditioner out of service, close described first magnetic valve and described second magnetic valve, and open described exhaust apparatus, transmission alarm signal and warning message are to warning device and display unit respectively.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention; when off-premises station occurs to leak; compressor shutdown; cross valve, the first magnetic valve and the second magnetic valve power-off; indoor machine motor is shut down; exhaust apparatus is opened, thus forbids that refrigerant flows into indoor set, and is discharged in time in outdoor environment by refrigerant.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner, specifically comprise: when described air-conditioner is current be in refrigeration mode time, if judged result is there is flame around described indoor set generation coolant leakage or air-conditioner, then close described first magnetic valve, and the blower fan controlling described indoor set runs with superpower windscreen; When the described pressure parameter value detecting that described sensing device detects is less than or equal to preset parameter value, the compressor controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, when air-conditioner is in refrigeration mode, refrigerant flows to the outdoor heat exchanger of off-premises station after compressor discharge through pipeline reversing service and cross valve, and through the indoor heat exchanger of the first magnetic valve to indoor set after throttling arrangement, then after indoor and outdoor connecting pipe, compressor is got back to after flowing through the second magnetic valve and cross valve, after checkout gear detects and there is flame around indoor set generation coolant leakage or air-conditioner, first magnetic valve power-off blocks refrigerant circulation, indoor fan motor runs with superpower wind, after now refrigerant is discharged from compressor, hoard to outdoor heat exchanger through cross valve, after the second magnetic valve, compressor is flowed back at the refrigerant in the pipeline be connected between indoor heat exchanger with outdoor heat exchanger and indoor set, after the measured value of sensing device reaches setting value, second magnetic valve, compressor and the power-off of outdoor fan motor, the display unit of air-conditioner shows failure code and is reported to the police by warning device, the operation sequence of air-conditioner is locked, air-conditioner does not process the instruction received, and now indoor fan motor continues to run up, after forced-ventilated after a while, whole air-conditioner power-off, after air-conditioner re-powers, still show failure code, user cannot start shooting, and needs can normally be run after program unblock by maintenance personal.Wherein, described setting value is absolute pressure latm, or setting value is gauge pressure oatm.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner, specifically comprise: when described air-conditioner is current be in heating mode time, if judged result is there is flame around described indoor set generation coolant leakage or air-conditioner, then close the cross valve of described first magnetic valve and described air-conditioner, and the blower fan controlling described indoor set runs with superpower windscreen; When the described pressure parameter value detecting that described sensing device detects is less than or equal to preset parameter value, the compressor controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, refrigerant is discharged from compressor and after the second magnetic valve, flow into indoor heat exchanger heat exchange again after cross valve, cross after the first magnetic valve flows out to capillary-compensated and evaporate to outdoor heat exchanger, get back to compressor finally by cross valve.After checkout gear detects and there is flame around indoor set generation coolant leakage or air-conditioner, cross valve power-off, first magnetic valve power-off blocks refrigerant circulation, indoor fan motor runs with superpower wind, after now refrigerant is discharged from compressor, hoard to outdoor heat exchanger through cross valve, after the second magnetic valve, flow back to compressor at the refrigerant in the pipeline be connected between indoor heat exchanger with outdoor heat exchanger and indoor set; After the measured value of sensing device reaches setting value, second magnetic valve, compressor and the power-off of outdoor fan motor, the display unit of air-conditioner shows failure code and is reported to the police by warning device, the operation sequence of air-conditioner is locked, air-conditioner does not process the instruction received, and now indoor fan motor continues to run up; After forced-ventilated after a while, whole air-conditioner power-off; After air-conditioner re-powers, still show failure code, user cannot start shooting, and needs can normally be run after program unblock by maintenance personal.Described setting value is absolute pressure latm, or setting value is gauge pressure oatm.
Wherein, capillary adds the first magnetic valve, identical with an electromagnetic expanding valve function, and capillary regulates the flow of refrigerant, the break-make of solenoid control pipeline, and electromagnetic expanding valve can by the aperture of control valve, thus adjust flux.Therefore, also can substitute with electromagnetic expanding valve.
According to one embodiment of present invention, before described air-conditioner normally runs, also comprise: after described air-conditioner powers on, directly detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear and described second detection device, and judge whether described off-premises station and described indoor set occur to there is flame around coolant leakage or air-conditioner; Be when there is flame around described indoor set or described off-premises station generation coolant leakage or air-conditioner in judged result, directly send described alarm signal and described warning message to described warning device and described display unit, do not respond the remote signal received.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, after air-conditioner powers on, whether first the first checkout gear and second detection device detect air-conditioner has around coolant leakage or air-conditioner and there is flame, then by result feedback to control assembly.When the first checkout gear or second detection device detect that system has around coolant leakage or air-conditioner and there is flame, then remote control signal reception is invalid, and air-conditioner display failure code warning device give the alarm; Complete machine power-off after a period of time.When the first checkout gear or second detection device do not detect around coolant leakage or air-conditioner after flame, according to remote control reception to order normally run.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the schematic diagram of the air-conditioner using combustible refrigerant according to an embodiment of the invention;
Fig. 2 shows the flow chart of the control method of the air-conditioner using combustible refrigerant according to an embodiment of the invention;
Fig. 3 shows the particular flow sheet of the control method of the air-conditioner using combustible refrigerant according to an embodiment of the invention;
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
1 indoor section, 11 second detection devices, 12 indoor heat exchangers, 13 indoor fans, 2 outdoor sections, 21 compressors, 22 pipeline reversing services, 23 outdoor fans, 24 outdoor heat exchangers, 25 first checkout gears, 26 throttling arrangements, 27 first magnetic valves, 28 sensing devices, 29 second magnetic valves, 2A exhaust apparatus.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the schematic diagram of the air-conditioner using combustible refrigerant according to an embodiment of the invention.
As shown in Figure 1, according to the air-conditioner of use combustible refrigerant of the present invention, comprise: outdoor section 2 and indoor section 1, its outdoor section 2 comprises compressor 21, pipeline reversing service 22, outdoor fan 23, outdoor heat exchanger 24, first checkout gear 25, throttling arrangement 26, first magnetic valve 27, sensing device 28, second magnetic valve 29, exhaust apparatus 2A, and indoor section comprises second detection device 11, indoor heat exchanger 12, indoor fan 13.Wherein, open when the first magnetic valve 27, second magnetic valve 29 and exhaust apparatus 2A are energized.
Particularly, indoor set (comprising indoor heat exchanger 12 and indoor fan 13) and off-premises station (comprising outdoor heat exchanger 24 and outdoor fan 23) connect into closed circuit by pipeline; Described first magnetic valve 27 and described second magnetic valve 29 are arranged between described indoor set and described off-premises station, control the break-make of pipeline between described indoor set and described off-premises station according to the control signal received; Sensing device 28, is connected on the pipeline between described second magnetic valve 29 and described indoor set, for detecting the pressure parameter value on described pipeline, and described pressure parameter value is sent to control assembly (not shown); First checkout gear 25, near the electric-controlled box being arranged on described off-premises station or air outlet, detects the first status information that described off-premises station is corresponding, and described first status information is sent to described control assembly; Second detection device 11, near the electric-controlled box being arranged on described indoor set or air outlet, detects the second status information that described indoor set is corresponding, and described second status information is sent to described control assembly; Described control assembly, receive from described pressure parameter value, described first status information and described second status information, described control signal is sent, to control the break-make of described pipeline to described first magnetic valve 27 and described second magnetic valve 29 according to described pressure parameter value, described first status information and described second status information.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, indoor set and off-premises station are all provided with the checkout gear of detected state information, be provided with the sensing device of pressure parameter value on signal piping simultaneously, like this, the status information of off-premises station and indoor set is detected respectively by the first checkout gear and second detection device, by sensing device detected pressures parameter value, control the operation of air-conditioner and the switch of each valve by status information and pressure parameter value.Like this, not only consider that the security protection of flame occurs to exist around coolant leakage or air-conditioner in indoor, have also contemplated that the security protection that there is flame around off-premises station generation coolant leakage or air-conditioner, by the break-make of each valve of conservative control, reduce around the leakage of combustible refrigerant in room or air-conditioner and there is flame amount, when preventing from reclaiming refrigerant, air is inhaled into compressor and causes compressor damage or blast simultaneously, plays the risk reducing room combustion, ensures user's personal safety and safety of property.
According to one embodiment of present invention, described first status information comprises: the ambient temperature information residing for described off-premises station and/or flow through the concentration information of refrigerant of described off-premises station, and described second status information comprises: the ambient temperature information residing for described indoor set and/or flow through the concentration information of refrigerant of described off-premises station.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, status information comprises the concentration information of ambient temperature information and refrigerant, if environment temperature higher than certain value or refrigerant concentration higher than certain value, then illustrate and occur to there is flame around coolant leakage or air-conditioner, thus control in time, ensure personal safety and the property safety of user.
According to one embodiment of present invention, also comprise: exhaust apparatus 2A, be arranged on the pipeline between described second magnetic valve 29 and described compressor 21, according to the control instruction from described control assembly received, the coolant discharging in described off-premises station pipeline is extremely outdoor; And described control assembly also for: send described control instruction according to described pressure parameter value, described first status information and described second status information to described exhaust apparatus, to control the opening and closing of described exhaust apparatus 2A.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, in off-premises station side, exhaust apparatus is set, and according to control instruction by coolant discharging to outdoor environment, thus refrigerant contained in indoor set is emitted by the tapping equipment at off-premises station place, reduce the content of combustible refrigerant in indoor set, avoid igniting because refrigerant content is excessive in indoor set, ensure the safety of user further.
According to one embodiment of present invention, also comprising: pipeline reversing service 22, being arranged between described compressor 21 and described off-premises station, for controlling the change of the stream of refrigerant in described pipeline; Throttling arrangement 26, is arranged between described off-premises station and described first magnetic valve 27.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, when air-conditioner is in refrigeration mode or heating mode, controlled the stream of refrigerant by pipeline reversing service, the switching carried out air-conditioner refrigeration and heat.
According to one embodiment of present invention, described exhaust apparatus comprises air bleeding valve, described pipeline reversing service comprises cross valve, described throttling arrangement comprises capillary, if the first checkout gear and second detection device detected temperatures, can be then the device of the energy detected temperatures such as temperature sensor, if detect refrigerant concentration, then can be the refrigerant detecting sensor etc. detecting secondary refrigerant leakage.。
Wherein, capillary adds the first magnetic valve, identical with an electromagnetic expanding valve function, and capillary regulates the flow of refrigerant, the break-make of solenoid control pipeline, and electromagnetic expanding valve can by the aperture of control valve, thus adjust flux.Therefore, also can substitute with electromagnetic expanding valve.
Air bleeding valve is placed on outside, and exhaust outlet is positioned at and not easily produces pyrophoric region, as: bottom plate of outdoor unit.Conducting during air bleeding valve energising, closed during power-off.
According to one embodiment of present invention, also comprise: warning device (for illustrating in figure), is connected to described control assembly, receives the alarm signal sent from described control assembly, and report to the police according to described alarm signal.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, also be provided with warning device, air-conditioner occur leak or air-conditioner around there is flame time, to warning device send warning message, with by warning device timely reminding user air-conditioning break down.Warning device can be voice-control alarm device, also can be light control alarm device, can also be the device having acoustic control and light control alarm concurrently.
According to one embodiment of present invention, also comprise: display unit (not shown), be connected to described control assembly, receive the warning message sent from described control assembly, and described warning message is shown.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, be also provided with display unit, control assembly sends warning message to display unit, and display unit shows, and like this, user can see the fault of air-conditioner intuitively.Particularly, the failure code that the failure cause of air-conditioner is corresponding can be comprised in warning message.
According to one embodiment of present invention, described sensing device 28 comprises pressure sensor.
According to the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, sensing device can adopt pressure sensor, is detected and transmits the force value of refrigerant, thus make air-conditioner can come to control more accurately by the change of force value by pressure sensor.
According to one embodiment of present invention, the described refrigerant in described pipeline is flammable refrigerant.
Fig. 2 shows the flow chart of the control method of the air-conditioner using combustible refrigerant according to an embodiment of the invention.
As shown in Figure 2, use the control method of the air-conditioner of combustible refrigerant according to an embodiment of the invention, comprise: step 202, when described air-conditioner normally runs, detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear 25 of described air-conditioner and second detection device 11, and detect the pressure parameter value on described indoor set and described off-premises station pipeline by sensing device; According to described first status information, described second status information, step 204, judges whether described off-premises station and described indoor set occur whether there is flame around coolant leakage or described air-conditioner; Step 206, controls the operation of described air-conditioner according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve 27, second magnetic valve 29 in described air-conditioner and exhaust apparatus 2A.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, indoor set and off-premises station are all provided with the checkout gear of detected state information, be provided with the sensing device of pressure parameter value on signal piping simultaneously, like this, the status information of off-premises station and indoor set is detected respectively by the first checkout gear 25 and second detection device 11, by sensing device detected pressures parameter value, control the operation of air-conditioner and the switch of each valve by status information and pressure parameter value.Like this, not only consider that the security protection of flame occurs to exist around coolant leakage or air-conditioner in indoor, have also contemplated that the security protection that there is flame around off-premises station generation coolant leakage or air-conditioner, by the break-make of each valve of conservative control, reduce the leakage rate of combustible refrigerant in room, when preventing from reclaiming refrigerant, air is inhaled into compressor and causes compressor damage or blast simultaneously, plays the risk reducing room combustion, ensures user's personal safety and safety of property.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the first magnetic valve 27 in described air-conditioner, the opening and closing of the second magnetic valve 29 and exhaust apparatus 2A, specifically comprise: when described air-conditioner is current be in refrigeration mode or heating mode run time, if judged result is there is flame around described off-premises station generation coolant leakage or air-conditioner, the then compressor 21 of described air-conditioner out of service, close described first magnetic valve 27 and described second magnetic valve 29, and open described exhaust apparatus 2A, transmission alarm signal and warning message are to warning device and display unit respectively.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention; when off-premises station occurs leak or there is flame around air-conditioner; compressor shutdown; cross valve (i.e. pipeline reversing service 22), the first magnetic valve and the second magnetic valve power-off; indoor machine motor is shut down; exhaust apparatus is opened, thus forbids that refrigerant flows into indoor set, and is discharged in time in outdoor environment by refrigerant.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve 27, second magnetic valve 29 in described air-conditioner and exhaust apparatus 2A, specifically comprise: when described air-conditioner is current be in refrigeration mode time, if judged result is there is flame around described indoor set generation coolant leakage or air-conditioner, then close described first magnetic valve 27, and the blower fan controlling described indoor set runs with superpower windscreen; When the described pressure parameter value detecting that described sensing device 28 detects is less than or equal to preset parameter value, the compressor 21 controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve 29 and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, when air-conditioner is in refrigeration mode, refrigerant flows to the outdoor heat exchanger 24 of off-premises station after compressor 21 discharge through pipeline reversing service 22 i.e. cross valve, and through the indoor heat exchanger 12 of the first magnetic valve to indoor set after throttling arrangement 26, then after indoor and outdoor connecting pipe, compressor is got back to after flowing through the second magnetic valve 29 and cross valve 22, after checkout gear 11 detects and there is flame around indoor set generation coolant leakage or air-conditioner, first magnetic valve 27 power-off blocks refrigerant circulation, indoor fan motor runs with superpower wind, after now refrigerant is discharged from compressor 21, hoard to outdoor heat exchanger 24 through cross valve 22, after the second magnetic valve 29, compressor 21 is flowed back at the refrigerant in the pipeline be connected between indoor heat exchanger 12 with outdoor heat exchanger 24 and indoor set, after the measured value of sensing device 28 reaches setting value, second magnetic valve 29, compressor 21 and the power-off of outdoor fan motor, the display unit of air-conditioner shows failure code and is reported to the police by warning device, the operation sequence of air-conditioner is locked, air-conditioner does not process the instruction received, and now indoor fan motor continues to run up, after forced-ventilated after a while, whole air-conditioner power-off, after air-conditioner re-powers, still show failure code, user cannot start shooting, and needs can normally be run after program unblock by maintenance personal.Wherein, described setting value is absolute pressure latm, or setting value is gauge pressure oatm.
According to one embodiment of present invention, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve 27, second magnetic valve 29 in described air-conditioner and exhaust apparatus 2A, specifically comprise: when described air-conditioner is current be in heating mode time, if judged result is there is flame around described indoor set generation coolant leakage or air-conditioner, then close the cross valve 22 of described first magnetic valve 27 and described air-conditioner, and the blower fan controlling described indoor set runs with superpower windscreen; When the described pressure parameter value detecting that described sensing device 28 detects is less than or equal to preset parameter value, the compressor 21 controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve 29 and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, refrigerant is discharged from compressor 21 and after the second magnetic valve 29, flow into indoor heat exchanger 12 heat exchange again after cross valve 22, cross after the first magnetic valve 27 flows out to capillary-compensated and evaporate to outdoor heat exchanger 24, get back to compressor finally by cross valve 22.After checkout gear 11 detects and there is flame around indoor set generation coolant leakage or air-conditioner, cross valve 22 power-off, first magnetic valve 27 power-off blocks refrigerant circulation, indoor fan motor runs with superpower wind, after now refrigerant is discharged from compressor, hoard to outdoor heat exchanger 24 through cross valve 22, after the second magnetic valve 29, flow back to compressor 21 at the refrigerant in the pipeline be connected between indoor heat exchanger 12 with outdoor heat exchanger 24 and indoor set; After the measured value of sensing device 28 reaches setting value, second magnetic valve 29, compressor 21 and the power-off of outdoor fan motor, the display unit of air-conditioner shows failure code and is reported to the police by warning device, the operation sequence of air-conditioner is locked, air-conditioner does not process the instruction received, and now indoor fan motor continues to run up; After forced-ventilated after a while, whole air-conditioner power-off; After air-conditioner re-powers, still show failure code, user cannot start shooting, and needs can normally be run after program unblock by maintenance personal.Described setting value is absolute pressure latm, or setting value is gauge pressure oatm.
Wherein, capillary adds the first magnetic valve, identical with an electromagnetic expanding valve function, and capillary regulates the flow of refrigerant, the break-make of solenoid control pipeline, and electromagnetic expanding valve can by the aperture of control valve, thus adjust flux.Therefore, also can substitute with electromagnetic expanding valve.
According to one embodiment of present invention, before described air-conditioner normally runs, also comprise: after described air-conditioner powers on, directly detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear 25 and described second detection device 11, and judge whether described off-premises station and described indoor set occur to there is flame around coolant leakage or air-conditioner; Be when there is flame around described indoor set or described off-premises station generation coolant leakage or air-conditioner in judged result, directly send described alarm signal and described warning message to described warning device and described display unit, do not respond the remote signal received.
According to the control method of the air-conditioner of the use combustible refrigerant of the embodiment of the present invention, after air-conditioner powers on, whether first the first checkout gear and second detection device detect air-conditioner has coolant leakage or environment temperature to exceed standard, then by result feedback to control assembly.When the first checkout gear or second detection device detect that system has coolant leakage or environment temperature to exceed standard, then remote control signal reception is invalid, and air-conditioner shows failure code and warning device gives the alarm; Complete machine power-off after a period of time.After the first checkout gear or second detection device do not detect coolant leakage, according to remote control reception to order normally run.
Fig. 3 shows the particular flow sheet of the control method of the air-conditioner using combustible refrigerant according to an embodiment of the invention.
As shown in Figure 3, use the idiographic flow of the control method of the air-conditioner of combustible refrigerant according to an embodiment of the invention, comprising:
Step 302, is energized to air-conditioning.
Step 304, the first checkout gear and second detection device judge outdoor and indoor whether there is coolant leakage or environment temperature exceeds standard, and if the determination result is YES, enters step 306, if judged result is no, enters step 308.
Step 306, remote-control air conditioner is started shooting.
Step 308, program is locked, display board failure code, buzzer warning, and the air-conditioning continuation operation t time enters step 332.
Step 332, air conditioner power-off.
Step 310, during air-conditioner refrigerating operaton, the first and second solenoid valves.
Step 312, the first checkout gear judges whether off-premises station exists coolant leakage or environment temperature exceeds standard, if judged result is no, enter step 314, if the determination result is YES, air-conditioner normally runs.
Step 314, compressor, cross valve, the first magnetic valve, the second magnetic valve, the power-off of indoor and outdoor machine motor, air bleeding valve is opened, and warning device gives the alarm, the superpower wind of indoor motor, and air-conditioning continues to run the t3 time, enters step 332.
Step 316, second detection device judges whether indoor set exists coolant leakage or environment temperature exceeds standard, if judged result is no, enter step 318, if the determination result is YES, air-conditioner normally runs.
Step 318, the first magnetic valve power-off, the superpower wind of indoor motor run.
Step 320, indoor motor continues to run the t1 time, and when namely force value arrives preset value, the second magnetic valve, compressor, outdoor motor power-off, program is locked, display board display failure code, and buzzer alarm, air-conditioning continues to run the t2 time, enters step 332.
Step 322, when air conditioner heat-production runs, the first and second solenoid valves.
Step 324, second detection device judges whether indoor set exists coolant leakage or environment temperature exceeds standard, if judged result is no, enter step 326, if the determination result is YES, air-conditioner normally runs.
Step 326, cross valve and the first magnetic valve power-off, indoor motor runs with superpower wind, and enters step 320.
Step 328, the first checkout gear judges whether off-premises station exists coolant leakage or environment temperature exceeds standard, if judged result is no, enter step 330, if the determination result is YES, air-conditioner normally runs.
Step 330, compressor, cross valve, the first magnetic valve, the second magnetic valve, indoor and outdoor machine power-off, safety exhaust is opened, and alarm device gives the alarm, and air-conditioning continues to run the t3 time, enters step 332.
More than be described with reference to the accompanying drawings technical scheme of the present invention, considered in the prior art, existing combustible refrigerant air-conditioner biases toward the safety problem or hidden danger of taking precautions against and directly being caused by problems such as the leakages inside air conditioner chamber.Therefore, the present invention proposes a kind of air-conditioner using combustible refrigerant, not only consider that the security protection of coolant leakage occurs for indoor and outside, also contemplate the security protection that whether there is flame around indoor set and off-premises station simultaneously, play the risk reducing room combustion, ensure user's personal safety and safety of property.
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 (14)
1. use an air-conditioner for combustible refrigerant, it is characterized in that, comprising:
Compressor;
Indoor set and off-premises station, wherein, described indoor set and described off-premises station connect into closed circuit by pipeline;
First magnetic valve;
Second magnetic valve, described first magnetic valve and described second magnetic valve are arranged between described indoor set and described off-premises station, control the break-make of pipeline between described indoor set and described off-premises station according to the control signal received;
Sensing device, is connected on the pipeline between described second magnetic valve and described indoor set, for detecting the pressure parameter value on described pipeline, and described pressure parameter value is sent to control assembly;
First checkout gear, is arranged near described off-premises station, detects the first status information that described off-premises station is corresponding, and described first status information is sent to described control assembly;
Second detection device, is arranged near described indoor set, detects the second status information that described indoor set is corresponding, and described second status information is sent to described control assembly;
Described control assembly, receive from described pressure parameter value, described first status information and described second status information, described control signal is sent, to control the break-make of described pipeline to described first magnetic valve and described second magnetic valve according to described pressure parameter value, described first status information and described second status information.
2. the air-conditioner of use combustible refrigerant according to claim 1, is characterized in that,
Described first status information comprises: the ambient temperature information residing for described off-premises station and/or flow through the concentration information of refrigerant of described off-premises station, and
Described second status information comprises: the ambient temperature information residing for described indoor set and/or flow through the concentration information of refrigerant of described off-premises station.
3. the air-conditioner of use combustible refrigerant according to claim 1, is characterized in that, also comprise:
Exhaust apparatus, is arranged on the pipeline between described second magnetic valve and described compressor, according to the control instruction from described control assembly received, the coolant discharging in described off-premises station pipeline is extremely outdoor; And
Described control assembly also for:
Described control instruction is sent to described exhaust apparatus, to control the opening and closing of described exhaust apparatus according to described pressure parameter value, described first status information and described second status information.
4. the air-conditioner of use combustible refrigerant according to claim 3, is characterized in that, also comprise:
Pipeline reversing service, is arranged between described compressor and described off-premises station, for controlling the change of the stream of refrigerant in described pipeline;
Throttling arrangement, is arranged between described off-premises station and described first magnetic valve.
5. the air-conditioner of use combustible refrigerant according to claim 4, is characterized in that,
Described exhaust apparatus comprises air bleeding valve, and described pipeline reversing service comprises cross valve.
6. the air-conditioner of use combustible refrigerant according to claim 4, is characterized in that, also comprise:
Warning device, is connected to described control assembly, receives the alarm signal sent from described control assembly, and reports to the police according to described alarm signal.
7. the air-conditioner of use combustible refrigerant according to claim 4, is characterized in that, also comprise:
Display unit, is connected to described control assembly, receives the warning message sent from described control assembly, and shows described warning message.
8. the air-conditioner of use combustible refrigerant according to any one of claim 1 to 7, is characterized in that,
Described sensing device comprises pressure sensor, and described first checkout gear is arranged on electric-controlled box near the electric-controlled box of described off-premises station or air outlet or air outlet, near the electric-controlled box that described second detection device is arranged on described indoor set or air outlet.
9. the air-conditioner of use combustible refrigerant according to any one of claim 1 to 7, is characterized in that,
Described refrigerant in described pipeline is flammable refrigerant.
10. a control method for the air-conditioner of use combustible refrigerant according to any one of claim 1 to 9, is characterized in that, comprising:
When described air-conditioner normally runs, detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear of described air-conditioner and second detection device, and detect the pressure parameter value on described indoor set and described off-premises station pipeline by sensing device;
Judge whether described off-premises station and described indoor set occur whether there is flame around coolant leakage or described air-conditioner according to described first status information, described second status information;
The operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner.
The control method of the air-conditioner of 11. use combustible refrigerants according to claim 10, it is characterized in that, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner, specifically comprise:
When described air-conditioner is current be in refrigeration mode or heating mode run time, if judged result is there is flame around described off-premises station generation coolant leakage or described air-conditioner, the then compressor of described air-conditioner out of service, close described first magnetic valve and described second magnetic valve, and open described exhaust apparatus, transmission alarm signal and warning message are to warning device and display unit respectively.
The control method of the air-conditioner of 12. use combustible refrigerants according to claim 10, it is characterized in that, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner, specifically comprise:
When described air-conditioner is current be in refrigeration mode time, if judged result is there is flame around described indoor set generation coolant leakage or described air-conditioner, then close described first magnetic valve, and the blower fan controlling described indoor set runs with superpower windscreen;
When the described pressure parameter value detecting that described sensing device detects is less than or equal to preset parameter value, the compressor controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
The control method of the air-conditioner of 13. use combustible refrigerants according to claim 10, it is characterized in that, the operation of described air-conditioner is controlled according to judged result and described pressure parameter value, and the opening and closing of the first magnetic valve, the second magnetic valve and exhaust apparatus in described air-conditioner, specifically comprise:
When described air-conditioner is current be in heating mode time, if judged result is there is flame around described indoor set generation coolant leakage or described air-conditioner, then close the cross valve of described first magnetic valve and described air-conditioner, and the blower fan controlling described indoor set runs with superpower windscreen;
When the described pressure parameter value detecting that described sensing device detects is less than or equal to preset parameter value, the compressor controlling described air-conditioner is out of service, close the blower fan of described second magnetic valve and described off-premises station, and send alarm signal and warning message respectively to warning device and display unit.
14., according to claim 10 to the control method of the air-conditioner of the use combustible refrigerant according to any one of 13, is characterized in that, before described air-conditioner normally runs, also comprise:
After described air-conditioner powers on, directly detect the first status information corresponding to the off-premises station of described air-conditioner and the second status information corresponding to indoor set by the first checkout gear and described second detection device, and judge whether described off-premises station and described indoor set occur to there is flame around coolant leakage or described air-conditioner;
Be when there is flame around described indoor set or described off-premises station generation coolant leakage or described air-conditioner in judged result, the described alarm signal of direct transmission and described warning message, to described warning device and described display unit, do not respond the remote signal received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857596.7A CN104566864B (en) | 2014-12-31 | 2014-12-31 | Use the air conditioner and control method of combustible refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857596.7A CN104566864B (en) | 2014-12-31 | 2014-12-31 | Use the air conditioner and control method of combustible refrigerant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104566864A true CN104566864A (en) | 2015-04-29 |
| CN104566864B CN104566864B (en) | 2017-12-12 |
Family
ID=53083521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410857596.7A Active CN104566864B (en) | 2014-12-31 | 2014-12-31 | Use the air conditioner and control method of combustible refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104566864B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833053A (en) * | 2015-04-30 | 2015-08-12 | 广东美的制冷设备有限公司 | Safety protection method and system of air conditioner |
| CN106052038A (en) * | 2016-07-04 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioning system as well as air conditioning control method and device |
| CN107062560A (en) * | 2017-05-26 | 2017-08-18 | 广东美的制冷设备有限公司 | The coolant leakage protection device and method of air conditioner and air conditioner |
| CN107407491A (en) * | 2015-03-30 | 2017-11-28 | 大金工业株式会社 | The indoor set of air-conditioning device |
| CN107477795A (en) * | 2017-08-28 | 2017-12-15 | 广东美的制冷设备有限公司 | Combustible refrigerant air-conditioning and its control method |
| CN107610423A (en) * | 2017-09-22 | 2018-01-19 | 江苏钤钫环保科技有限公司 | A kind of natural coolant leakage alarm monitoring system |
| CN109708247A (en) * | 2018-12-11 | 2019-05-03 | 宁波奥克斯电气股份有限公司 | A kind of control method, control device and the air conditioner of combustibility secondary refrigerant leakage |
| CN110044007A (en) * | 2019-04-29 | 2019-07-23 | 广东美的制冷设备有限公司 | Refrigerant leakage detection method, system and the air-conditioning of air-conditioning |
| CN110057027A (en) * | 2019-04-15 | 2019-07-26 | 青岛海尔空调器有限总公司 | The method, apparatus and computer storage medium of temperature and humidity adjustment monitoring of tools |
| CN110207271A (en) * | 2019-06-19 | 2019-09-06 | 宁波奥克斯电气股份有限公司 | A kind of outdoor unit of the air conditioner and its control method |
| CN110402359A (en) * | 2017-03-31 | 2019-11-01 | 大金工业株式会社 | Refrigerating plant |
| CN110486885A (en) * | 2019-08-29 | 2019-11-22 | 广东美的制冷设备有限公司 | Control method, system and the air-conditioning of air-conditioning |
| CN110494703A (en) * | 2017-03-31 | 2019-11-22 | 大金工业株式会社 | Air-conditioning device |
| CN110513782A (en) * | 2019-08-15 | 2019-11-29 | 海信家电集团股份有限公司 | A kind of control method and system of dehumidifier |
| CN112032965A (en) * | 2020-08-20 | 2020-12-04 | Tcl空调器(中山)有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN112649041A (en) * | 2020-11-24 | 2021-04-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Device and method for measuring transmission performance of refrigerant transmission part for superconducting motor |
| CN112944586A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔空调电子有限公司 | Control method of multi-split air conditioning system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173813A (en) * | 2019-05-30 | 2019-08-27 | 广东美的制冷设备有限公司 | Air conditioner and its control method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208392A (en) * | 2000-01-31 | 2001-08-03 | Matsushita Electric Ind Co Ltd | Heat pump device |
| JP2002372317A (en) * | 2001-06-19 | 2002-12-26 | Toshiba Kyaria Kk | Split type air conditioner |
| CN102269447A (en) * | 2011-07-14 | 2011-12-07 | 广东美的电器股份有限公司 | Air conditioner using combustible refrigerant, and control method of air conditioner |
| CN202119019U (en) * | 2011-05-26 | 2012-01-18 | 广东美的电器股份有限公司 | Air-conditioner capable of using flammable refrigeration agent |
| CN204421288U (en) * | 2014-12-31 | 2015-06-24 | 广东美的制冷设备有限公司 | Use the air-conditioner of combustible refrigerant |
-
2014
- 2014-12-31 CN CN201410857596.7A patent/CN104566864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001208392A (en) * | 2000-01-31 | 2001-08-03 | Matsushita Electric Ind Co Ltd | Heat pump device |
| JP2002372317A (en) * | 2001-06-19 | 2002-12-26 | Toshiba Kyaria Kk | Split type air conditioner |
| CN202119019U (en) * | 2011-05-26 | 2012-01-18 | 广东美的电器股份有限公司 | Air-conditioner capable of using flammable refrigeration agent |
| CN102269447A (en) * | 2011-07-14 | 2011-12-07 | 广东美的电器股份有限公司 | Air conditioner using combustible refrigerant, and control method of air conditioner |
| CN204421288U (en) * | 2014-12-31 | 2015-06-24 | 广东美的制冷设备有限公司 | Use the air-conditioner of combustible refrigerant |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107407491A (en) * | 2015-03-30 | 2017-11-28 | 大金工业株式会社 | The indoor set of air-conditioning device |
| CN104833053A (en) * | 2015-04-30 | 2015-08-12 | 广东美的制冷设备有限公司 | Safety protection method and system of air conditioner |
| CN104833053B (en) * | 2015-04-30 | 2017-12-05 | 广东美的制冷设备有限公司 | The safety protecting method and system of air conditioner |
| CN106052038A (en) * | 2016-07-04 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioning system as well as air conditioning control method and device |
| CN110494703A (en) * | 2017-03-31 | 2019-11-22 | 大金工业株式会社 | Air-conditioning device |
| US11209195B2 (en) | 2017-03-31 | 2021-12-28 | Daikin Industries, Ltd. | Air conditioner with a refrigerant having a property of undergoing disproportionation |
| CN110402359A (en) * | 2017-03-31 | 2019-11-01 | 大金工业株式会社 | Refrigerating plant |
| CN107062560A (en) * | 2017-05-26 | 2017-08-18 | 广东美的制冷设备有限公司 | The coolant leakage protection device and method of air conditioner and air conditioner |
| CN107477795A (en) * | 2017-08-28 | 2017-12-15 | 广东美的制冷设备有限公司 | Combustible refrigerant air-conditioning and its control method |
| CN107610423A (en) * | 2017-09-22 | 2018-01-19 | 江苏钤钫环保科技有限公司 | A kind of natural coolant leakage alarm monitoring system |
| CN109708247A (en) * | 2018-12-11 | 2019-05-03 | 宁波奥克斯电气股份有限公司 | A kind of control method, control device and the air conditioner of combustibility secondary refrigerant leakage |
| CN110057027A (en) * | 2019-04-15 | 2019-07-26 | 青岛海尔空调器有限总公司 | The method, apparatus and computer storage medium of temperature and humidity adjustment monitoring of tools |
| CN110044007A (en) * | 2019-04-29 | 2019-07-23 | 广东美的制冷设备有限公司 | Refrigerant leakage detection method, system and the air-conditioning of air-conditioning |
| CN110207271A (en) * | 2019-06-19 | 2019-09-06 | 宁波奥克斯电气股份有限公司 | A kind of outdoor unit of the air conditioner and its control method |
| CN110513782A (en) * | 2019-08-15 | 2019-11-29 | 海信家电集团股份有限公司 | A kind of control method and system of dehumidifier |
| CN110486885A (en) * | 2019-08-29 | 2019-11-22 | 广东美的制冷设备有限公司 | Control method, system and the air-conditioning of air-conditioning |
| CN112032965A (en) * | 2020-08-20 | 2020-12-04 | Tcl空调器(中山)有限公司 | Control method of air conditioner, air conditioner and storage medium |
| CN112649041A (en) * | 2020-11-24 | 2021-04-13 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Device and method for measuring transmission performance of refrigerant transmission part for superconducting motor |
| CN112944586A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔空调电子有限公司 | Control method of multi-split air conditioning system |
| WO2022183986A1 (en) * | 2021-03-01 | 2022-09-09 | 青岛海尔空调电子有限公司 | Control method for multi-split air conditioning system |
| CN112944586B (en) * | 2021-03-01 | 2023-11-24 | 青岛海尔空调电子有限公司 | Control method of multi-split air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104566864B (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104566864A (en) | Air conditioner using combustible refrigerants and control method | |
| US11118821B2 (en) | Refrigeration cycle apparatus | |
| CN103322641B (en) | Use the method for controlling security of flammable coolant air-conditioner | |
| CN102269447B (en) | Air conditioner using combustible refrigerant, and control method of air conditioner | |
| EP0936417B1 (en) | Refrigerant leakage warning device | |
| JP6849021B2 (en) | Refrigeration cycle system | |
| CN105928156A (en) | Refrigerant leak detection method and device and air conditioner | |
| CN204421288U (en) | Use the air-conditioner of combustible refrigerant | |
| CN107062560A (en) | The coolant leakage protection device and method of air conditioner and air conditioner | |
| CN109631228A (en) | The determination method and system of refrigeration system refrigerant fast leak | |
| CN110486885B (en) | Air conditioner control method and system and air conditioner | |
| CN109631229A (en) | The determination method of refrigeration system refrigerant fast leak | |
| CN103940158A (en) | Air-conditioning outdoor unit, air-conditioning system and operation method of air-conditioning system | |
| CN103940157A (en) | Air-conditioning outdoor unit, air-conditioning system and shutdown method of air-conditioning system | |
| CN104990173B (en) | Fire prevention control method, controller and the air-conditioning system of air conditioner, air conditioner | |
| CN115164349B (en) | Air conditioner | |
| CN102226550B (en) | Air-conditioner for using flammable refrigeration agent and control method thereof | |
| JP2019060517A (en) | Air conditioner | |
| JP2019052785A (en) | Air conditioner | |
| JP2016070594A (en) | Air conditioner | |
| CN114963299B (en) | Air conditioner | |
| CN106369741A (en) | Control method and device and air conditioner | |
| CN116336607A (en) | Control method and device, electrical appliance system and computer readable storage medium | |
| CN104075420A (en) | Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner | |
| CN202188563U (en) | Air conditioner using a flammable secondary refrigerant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |