CN110107953A - Air-conditioning system and control method - Google Patents
Air-conditioning system and control method Download PDFInfo
- Publication number
- CN110107953A CN110107953A CN201910402254.9A CN201910402254A CN110107953A CN 110107953 A CN110107953 A CN 110107953A CN 201910402254 A CN201910402254 A CN 201910402254A CN 110107953 A CN110107953 A CN 110107953A
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- China
- Prior art keywords
- air
- conditioning system
- block valve
- interior machine
- valve
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- 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
- F24F11/84—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 using valves
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- 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
Abstract
The present invention provides a kind of air-conditioning system and control method.The air-conditioning system, including interior machine and connecting tube, the interior machine include interior machine heat exchanger, and the connecting tube is connected to the interior machine heat exchanger, pass in and out the interior machine heat exchanger convenient for refrigerant, the connecting tube is equipped with block valve;When air-conditioning system is shut down, the block valve is closed, and the refrigerant can be prevented to flow out the interior machine heat exchanger.Block valve is added in connecting tube, has effectively cut off refrigerant migration movement, is utilized refrigerant energy in interior machine heat exchanger, prevents the waste of energy.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air-conditioning system and control method.
Background technique
Existing domestic air conditioning is that refrigeration or heating are realized by the refrigeration cycle of refrigerant, as air-conditioning booting is opened
Dynamic, refrigerant starts in air-conditioning system inner working.Under cooling condition, low-temp low-pressure refrigerant in interior machine heat exchanger is from indoor suction
Receive heat;Under heating condition, the high temperature and pressure refrigerant in interior machine heat exchanger is then to indoor release heat.
But when existing domestic air-conditioning system is shut down, the electric expansion valve in air-conditioning system will not be completely closed, and be simultaneously
Refrigerant and non-immediate stopping inside system flow, since electric expansion valve is without effectively cutting off the refrigerant between inside and outside machine heat exchanger
Flow path, so refrigerant can migrate under the action of pressure difference and inertia from high side to low side, until reaching equilibrium state.Therefore
When air-conditioning system is shut down under cooling condition, due to moving into for outer machine high pressure and high temperature refrigerant, cause cold in machine heat exchanger at this time
The cooling capacity of matchmaker is directly lost;Similarly, when being shut down under heating condition, high pressure and high temperature refrigerant in interior machine heat exchanger can outside machine move
It moves, this partial heat is caused to lose.The waste of this energy constantly occurs along with the shutdown each time of each air-conditioning,
Lower energy loss of accumulating over a long period is very huge.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of air-conditioning system and control method, sky can be reduced
Adjust the loss of refrigerant energy in interior machine after shutting down.
To solve the above-mentioned problems, the present invention provides a kind of air-conditioning system, including interior machine and connecting tube, and the interior machine includes
Interior machine heat exchanger, the connecting tube are connected to the interior machine heat exchanger, pass in and out the interior machine heat exchanger, the connection convenient for refrigerant
Pipe is equipped with block valve;When air-conditioning system is shut down, the block valve is closed, and can prevent the refrigerant outflow interior machine heat exchange
Device.
Preferably, there are two the block valve is set: the first block valve and the second block valve, the connecting tube include that gas connects
Adapter tube and fluid connection tube;First block valve is located on the fluid connection tube, and second block valve is located at the gas
In body connecting tube.
Preferably, the air-conditioning system further includes outer machine, and first block valve is located in the interior machine or the outer machine
On the interior fluid connection tube;Second block valve is located at the gas connection pipe in the interior machine or in the outer machine
On.
Preferably, first block valve and/or second block valve are set as solenoid valve.
Preferably, first block valve and second block valve are each provided at the company between the outer machine and the interior machine
Adapter tube road.
Preferably, first block valve and second block valve are set as electromagnet cut off valve.
According to another aspect of the present invention, a kind of control method of air-conditioning system as described above is provided, comprising:
Obtain the operating status of air-conditioning system;
It when air-conditioning system is in shutdown status, controls the block valve and closes, the refrigerant is retained in described
In interior machine heat exchanger (11);
When air-conditioning system is in starting state, controls the block valve and open, the refrigerant can be in the connecting tube
It is mobile.
According to another aspect of the present invention, a kind of control method of air-conditioning system as described above is provided, comprising:
Whether detection air-conditioning system enters shutdown programm;
When detecting that air-conditioning system enters shutdown programm, the operating condition of air-conditioning system is obtained;
The block valve is controlled according to the operating condition of air-conditioning system, realizes the refrigerant recovering control of air-conditioning system.
Preferably, when the operating condition of the air-conditioning system is cooling condition, first block valve is closed, the refrigerant is by institute
It states gas connection pipe and extracts the interior machine heat exchanger out, until the temperature difference of the interior machine heat exchanger and environment where it is no more than default
Difference range successively closes second block valve and air-conditioning system.
Preferably, when the operating condition of the air-conditioning system is heating condition, regulation air-conditioning system is refrigeration mode and inner blower
It shuts down, closes first block valve, the refrigerant extracts the interior machine heat exchanger out by the gas connection pipe, until the interior machine
The temperature difference of heat exchanger and environment where it is not more than preset difference value range, successively closes second block valve and air-conditioning system
System.
Air-conditioning system provided by the invention, including interior machine and connecting tube, the interior machine include interior machine heat exchanger, the connection
Pipe is connected to the interior machine heat exchanger, passes in and out the interior machine heat exchanger convenient for refrigerant, the connecting tube is equipped with block valve;In sky
When adjusting system is shut down, the block valve is closed, and the refrigerant can be prevented to flow out the interior machine heat exchanger.It adds and cuts in connecting tube
Disconnected valve, has effectively cut off refrigerant migration movement, has been utilized refrigerant energy in interior machine heat exchanger, prevented the wave of energy
Take.
Detailed description of the invention
Fig. 1 is in structure chart when cooling condition for block valve in the air-conditioning system of the embodiment of the present invention in interior machine;
Fig. 2 is in structure chart when cooling condition for block valve in the air-conditioning system of the embodiment of the present invention in outer machine;
Fig. 3 is in knot when cooling condition for block valve in the air-conditioning system of the embodiment of the present invention between interior machine and outer machine
Composition;
Appended drawing reference indicates are as follows:
1, interior machine;11, interior machine heat exchanger;2, outer machine;21, outer machine heat exchanger;22, expansion valve;23, four-way valve;24, it compresses
Machine;25, liquid storage device;3, gas connection pipe;4, fluid connection tube;5, big valve;6, minor valve;7, the first block valve;8, second
Block valve;9, the first electromagnet cut off valve;10, the second electromagnet cut off valve.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 3, according to an embodiment of the invention, a kind of air-conditioning system, including interior machine 1 and connection
Pipe, the interior machine 1 include interior machine heat exchanger 11, and the connecting tube is connected to the interior machine heat exchanger 11, pass in and out institute convenient for refrigerant
Interior machine heat exchanger 11 is stated, the connecting tube is equipped with block valve;When air-conditioning system is shut down, the block valve is closed, and can be prevented
The refrigerant flows out the interior machine heat exchanger 11.
Air-conditioning system either reaches set temperature and is automatically stopped, or needs to shut down in operation, need to only close and cut in time
Disconnected valve, so that the refrigerant in interior machine heat exchanger 11 will not flow out, the energy allowed in the part refrigerant in this way can only be in interior machine
Interior where heat exchanger 11 plays a role, as the low temperature refrigerant in machine heat exchanger 11 interior under cooling condition be stored in indoor after
High temperature refrigerant in continuous absorption chamber under heat or heating condition in interior machine heat exchanger 11, which is limited in indoor, to be continued to indoor confession
Heat reduces the waste of energy.
When air-conditioning system needs to be again started up, controllable block valve is opened, so that refrigerant proper flow.
Preferably, there are two the block valve is set: the first block valve 7 and the second block valve 8, the connecting tube include gas
Connecting tube 3 and fluid connection tube 4;First block valve 7 is located on the fluid connection tube 4, and second block valve 8 is located at
On the gas connection pipe 3.By way of being respectively provided with block valve in internal 11 both ends connecting tube of machine heat exchanger, reach complete resistance
Machine heat exchanger 11 in the outflow of disconnected refrigerant;In addition also the first block valve 7 and the second block valve 8 can be closed by substep, be able to achieve
Receipts fluorine operation before air-conditioning shutdown, it is specific to receive fluorine operation see describing in control method hereafter.
Preferably, the air-conditioning system further includes outer machine 2, and first block valve 7 is located in the interior machine 1 or described outer
On the fluid connection tube 4 in machine 2;Second block valve 8 is located at the gas in the interior machine 1 or in the outer machine 2
In body connecting tube 3.Two block valves can be located in or beyond interior machine 1 in machine 2 simultaneously, or be separately provided in interior machine 1 and outer machine 2
One block valve, is able to achieve the outflow of refrigerant in 1 heat exchanger of machine in being truncated, and carries out receiving fluorine operation.At this point, described first
Block valve 7 and/or second block valve 8 are set as solenoid valve, and regulation is convenient;The automatically controlled of solenoid valve can be integrated to air-conditioning system
Adjusting device in, be automatically performed closing and unlatching.
Preferably, first block valve 7 and second block valve 8 are each provided between the outer machine 2 and the interior machine 1
Connecting line on.Two block valves can be located at simultaneously on the connecting line between outer machine 2 and the interior machine 1, eliminated simultaneously
6 structure of original big valve 5 and minor valve, simplifies the structure of air-conditioning system, can equally complete above-mentioned function.In this knot
In structure, the first block valve 7 and the second block valve 8 use electromagnet cut off valve structure.
The specific structure different with regard to block valve setting position below, to describe the control method of this air-conditioning system.
Embodiment 1
This air-conditioning system is as shown in Figure 1, include interior machine 1, outer machine 2, interior machine 1 mainly has interior machine heat exchanger 11, and in gas
The second solenoid valve added in machine section in body connecting tube 3, the first solenoid valve added in machine section in fluid connection tube 4, outer machine 2
Mainly there are outer machine heat exchanger 21, compressor 24, liquid storage device 25, four-way valve 23, electric expansion valve 22.
, can be when air-conditioning be shut down by increased two solenoid valves, if room temperature reaches setting value, compressor 24 stops
Operating controls two solenoid valves and closes, the refrigerant flow between heat exchanger to cut off inside and outside machine, prevent refrigerant because of inertia and
Pressure difference generates travel motion, so that the refrigerant in interior machine heat exchanger 11 is retained in indoor and is played a role and (absorbs heat or release heat
Amount), reduce energy dissipation, solenoid valve conduction flow path is controlled when " compressor 24 is again started up ".
The development trend of existing air conditioner refrigerating working medium, it is universal to use using natural environmental-protective working medium R290, but R290
There is inflammable and explosive characteristic, due to safety concerns, the concentration of indoor R290 has a safe concentration upper limit.Existing air-conditioning system
In the process of running, when indoor refrigerant small gap leaks, the concentration short time at leakage is interior without departing from security restriction for system, and
Big notch leakage can then cause biggish airflow noise, be easy to find.But refrigerant migration situation analysis when shutting down to air-conditioning system
Known to: under cooling condition when system closedown, a large amount of refrigerants are migrated from the inside machine heat exchanger 11 of on high-tension side outer machine heat exchanger 21, interior
1 refrigerant content increasing fast of machine, if small gap leakage occurs at this time, concentration is likely to beyond security restriction.If indoor generation
Coolant leakage is not easy to be noticeable, and risk is larger.
The present invention can also realize the receipts fluorine before air-conditioning shuts down, specific control method by the control to two solenoid valves
Are as follows:
1. under cooling condition, first controlling the closing of the first solenoid valve, the refrigerant that outer 2 heat exchanger of machine comes out cannot be introduced into interior machine
1, and the gaseous coolant that interior machine heat exchanger 11 exports constantly is extracted into outer 2 heat exchanger of machine by compressor 24, the refrigerant of final interior machine 1 is complete
Portion takes out to the greatest extent, at this time 1 place environment temperature (indoor environment temperature-sensitive of interior 1 heat exchange temperature of machine (evaporator tube warming thermometer bulb) and interior machine
Packet) close or equal, 2 place environment temperature (outdoor environment sense of outer 2 heat exchange temperature of machine (condenser tube warming thermometer bulb) and outer machine
Thermometer bulb) it is close or equal, it is completed by the two conditions independent (or combination) to judge to receive fluorine, control second solenoid valve closing,
Last air-conditioning system shutdown.
2. under heating condition, first controlling inner blower and shutting down, system is switched to conventional defrost pattern (i.e. refrigeration mode), then control
The closing of the first solenoid valve is made, refrigerant cannot be introduced into interior machine 1, and the refrigerant in interior machine heat exchanger 11 is constantly extracted by compressor 24
The refrigerant of outer 2 heat exchanger of machine, final interior machine 1 is all taken out to the greatest extent, passes through " 1 place environment of interior 1 heat exchange temperature of machine and interior machine again at this time
Temperature is close or equal ", " outer 2 heat exchange temperature of machine and 2 place environment temperature of outer machine are close or equal " judgement receive fluorine and complete, control
Second solenoid valve processed is closed, last air-conditioning system shutdown.
Receipts fluorine control can be set to the auto-programming before shutdown, and a kind of mould for air-conditioning system can also be separately provided
Formula, so that user is because of season, carries out receiving fluorine operation before air-conditioning is idle as corresponding function key is arranged on air-conditioning remote control.
In above-mentioned and subsequent embodiment, " interior 1 heat exchange temperature of machine and 1 place environment temperature of interior machine are close or equal "
Refer to the two temperature difference no more than preset difference value range;" outer 2 heat exchange temperature of machine and 2 place environment temperature of outer machine be close or phase
Deng " refer to the two temperature difference no more than preset difference value range, wherein preset difference value is selected and is regulated and controled according to the usage requirement.
In view of when the air-conditioning system structure, which receives fluorine, to be completed, the connecting tube of outer machine 2 and interior machine 1 there are also part side indoors,
It is unable to fully guarantee that indoor without coolant leakage, makees corresponding optimization to system, proposes embodiment 2, embodiment 3.
Embodiment 2
This air-conditioning system is as shown in Fig. 2, include interior machine 1, outer machine 2, interior machine 1 mainly has interior machine heat exchanger 11, and outer machine 2 is main
There are outer machine heat exchanger 21, compressor 24, liquid storage device 25, four-way valve 23, electric expansion valve 22, and close to big valve in outer machine 2
Two solenoid valves of door 5 and the setting of 6 position of minor valve: the first solenoid valve and second solenoid valve.It, will compared to the scheme of embodiment 1
Two solenoid valves are transferred to outer machine 2 by interior machine 1, and specific control method and process are identical as embodiment 1, but receive fluorine shutdown
Afterwards, refrigerant all concentrates on outer machine 2, risk of the indoor without coolant leakage.The air-conditioning system while realizing corresponding function,
Air-conditioning system than embodiment 1 is more safe and reliable.
Embodiment 3
This air-conditioning system is as shown in figure 3, on the basis of its air-conditioning system shown in Fig. 2, respectively and greatly by two solenoid valves
Valve 5, minor valve 6 are grouped together into two electromagnetism block valves: the first electromagnet cut off valve 9 and the second electromagnet cut off valve 10,
Simplify the structure of air-conditioning system.
The electromagnetism block valve can substitute big valve 5, minor valve 6 is being produced and installed by manually adjusting open and-shut mode
Effect in journey also can realize automatically controlled opening and closing after installation is powered, for the control process that this patent proposes, realize corresponding function
Energy.
When air-conditioning is shut down, if room temperature reaches setting value, compressor 24 shuts down, and is cut by two electromagnetism of control
Disconnected valve is closed, and to cut off the refrigerant flow between 2 heat exchanger of inside and outside machine, refrigerant is prevented to generate migration fortune because of inertia and pressure difference
It is dynamic, so that the refrigerant in interior machine heat exchanger 11 is retained in indoor and play a role and (absorb heat or release heat), reduces energy
Waste controls electromagnetism block valve when " compressor 24 is again started up " and flow path is connected.
The receipts fluorine before air-conditioning shutdown, specific control method can also be realized by the control to two electromagnetism block valves are as follows:
1. under cooling condition, first controlling the closing of the first electromagnet cut off valve 9, the refrigerant that outer 2 heat exchanger of machine comes out cannot be introduced into interior machine 1,
And the gaseous coolant that interior machine heat exchanger 11 exports constantly is extracted into outer 2 heat exchanger of machine by compressor 24, the refrigerant in final system is complete
Portion focuses on outer machine 2, at this time in 1 heat exchange temperature of machine and 1 place environment temperature of interior machine be close or equal, outer 2 heat exchanger temperature of machine
Degree and outer 2 place environment temperature of machine are close or equal, are completed by the two conditions independent (or combination) to judge to receive fluorine, control
Second electromagnet cut off valve 10 is closed, last air-conditioning system shutdown;2. under heating condition, first controlling inner blower and shutting down, system is switched to
Conventional defrost pattern (i.e. refrigeration mode), then the closing of the first electromagnet cut off valve 9 is controlled, refrigerant cannot be introduced into interior machine 1, and interior machine
Refrigerant in heat exchanger 11 is constantly extracted into outer 2 heat exchanger of machine by compressor 24, and the refrigerant in final system all focuses on outer machine
2, at this time again by " interior 1 heat exchange temperature of machine and 1 place environment temperature of interior machine are close or equal ", " outer 2 heat exchange temperature of machine and
Outer 2 place environment temperature of machine is close or equal " judgement receipts fluorine completion, it controls the second electromagnet cut off valve 10 and closes, last air-conditioning system
System shutdown.
Receipts fluorine control can be set to the auto-programming before shutdown, and a kind of mould for air-conditioning system can also be separately provided
Corresponding function key is arranged on remote controler in formula, so that user is because of season, carries out receiving fluorine operation before air-conditioning is idle.
The present invention, can be real by adding two solenoid valves on the connecting line between existing 2 heat exchanger of air conditioner internal and external unit
Control is now closed, the travel motion of refrigerant inside air-conditioning system is effectively cut off, it will be low in machine heat exchanger 11 interior under cooling condition
Warm refrigerant is stored in indoor, or the high temperature refrigerant in machine heat exchanger 11 interior under heating condition is limited in indoor, prevents
The waste situation of energy;And the control method that fluorine is received in automatic control is proposed for the security risk of R290 leakage.
Those skilled in the art will readily recognize that the respective embodiments described above can be free under the premise of not conflicting
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.With
It is only the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
Under the premise of being detached from the technology of the present invention principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (10)
1. a kind of air-conditioning system, including interior machine (1) and connecting tube, the interior machine (1) includes interior machine heat exchanger (11), the connection
Pipe is connected to the interior machine heat exchanger (11), passes in and out the interior machine heat exchanger (11) convenient for refrigerant, which is characterized in that the connection
Pipe is equipped with block valve;When air-conditioning system is shut down, the block valve is closed, and can prevent the refrigerant outflow interior machine heat exchange
Device (11).
2. air-conditioning system according to claim 1, which is characterized in that there are two the block valve is set: the first block valve (7)
With the second block valve (8), the connecting tube includes gas connection pipe (3) and fluid connection tube (4);First block valve (7)
It is located on the fluid connection tube (4), second block valve (8) is located on the gas connection pipe (3).
3. air-conditioning system according to claim 2, which is characterized in that the air-conditioning system further includes outer machine (2), and described
One block valve (7) is located on the fluid connection tube (4) in the interior machine (1) or in the outer machine (2);Second truncation
Valve (8) is located on the gas connection pipe (3) in the interior machine (1) or in the outer machine (2).
4. air-conditioning system according to claim 3, which is characterized in that first block valve (7) and/or second section described
Disconnected valve (8) are set as solenoid valve.
5. air-conditioning system according to claim 3, which is characterized in that first block valve (7) and second truncation
Valve (8) is each provided on the connecting line between the outer machine (2) and the interior machine (1).
6. air-conditioning system according to claim 5, which is characterized in that first block valve (7) and second truncation
Valve (8) is set as electromagnet cut off valve.
7. a kind of control method of the air-conditioning system as described in claim 1-6 is any characterized by comprising
Obtain the operating status of air-conditioning system;
When air-conditioning system is in shutdown status, controls the block valve and close, the refrigerant is enabled to be retained in the interior machine
In heat exchanger (11);
When air-conditioning system is in starting state, controls the block valve and open, the refrigerant can move in the connecting tube.
8. a kind of control method of the air-conditioning system as described in claim 2-6 is any characterized by comprising
Whether detection air-conditioning system enters shutdown programm;
When detecting that air-conditioning system enters shutdown programm, the operating condition of air-conditioning system is obtained;
The block valve is controlled according to the operating condition of air-conditioning system, realizes the refrigerant recovering control of air-conditioning system.
9. control method according to claim 8, which is characterized in that when the operating condition of the air-conditioning system is cooling condition,
First block valve (7) is closed, the refrigerant extracts the interior machine heat exchanger (11) out by the gas connection pipe (3), until institute
The temperature difference of interior machine heat exchanger (11) and environment where it is stated no more than preset difference value range, successively closes second block valve
(8) and air-conditioning system.
10. control method according to claim 8, which is characterized in that when the operating condition of the air-conditioning system is heating condition,
Regulating and controlling air-conditioning system is refrigeration mode and inner blower shutdown, closes first block valve (7), the refrigerant is connected by the gas
It takes over (3) and extracts the interior machine heat exchanger (11) out, until the interior machine heat exchanger (11) and the temperature difference of environment where it are not more than
Preset difference value range successively closes second block valve (8) and air-conditioning system.
Priority Applications (1)
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CN201910402254.9A CN110107953A (en) | 2019-05-14 | 2019-05-14 | Air-conditioning system and control method |
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CN201910402254.9A CN110107953A (en) | 2019-05-14 | 2019-05-14 | Air-conditioning system and control method |
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Cited By (3)
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CN110542227A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
CN110542230A (en) * | 2019-09-12 | 2019-12-06 | 广东美的制冷设备有限公司 | air conditioner, control method and device thereof, and computer-readable storage medium |
CN112923518A (en) * | 2021-02-04 | 2021-06-08 | 海信(山东)空调有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
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CN105698284A (en) * | 2016-03-14 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system and refrigeration controlling method and device thereof |
CN105928264A (en) * | 2016-04-22 | 2016-09-07 | 广东美的制冷设备有限公司 | Air conditioning system and running method thereof |
CN107421059A (en) * | 2017-06-09 | 2017-12-01 | 宁波奥克斯电气股份有限公司 | Prevent flammable refrigerant from getting in the control method of side when air conditioner shuts down |
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JPH11142009A (en) * | 1997-11-06 | 1999-05-28 | Daikin Ind Ltd | Air conditioner |
CN103940157A (en) * | 2014-04-22 | 2014-07-23 | 珠海格力电器股份有限公司 | Air-conditioning outdoor unit, air-conditioning system and shutdown method of air-conditioning system |
CN105698284A (en) * | 2016-03-14 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system and refrigeration controlling method and device thereof |
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CN110542227B (en) * | 2019-09-12 | 2022-05-10 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
CN112923518A (en) * | 2021-02-04 | 2021-06-08 | 海信(山东)空调有限公司 | Air conditioner control method and device, air conditioner and computer readable storage medium |
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