CN109357369A - Air conditioner and its refrigerant recovering control method - Google Patents
Air conditioner and its refrigerant recovering control method Download PDFInfo
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- CN109357369A CN109357369A CN201811052142.7A CN201811052142A CN109357369A CN 109357369 A CN109357369 A CN 109357369A CN 201811052142 A CN201811052142 A CN 201811052142A CN 109357369 A CN109357369 A CN 109357369A
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- air conditioner
- valve
- compressor
- refrigerant recovering
- electric expansion
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air conditioner and its refrigerant recovering control method.The air conditioner includes compressor (1), outdoor heat exchanger (2), the first electric expansion valve (3), the first shut-off valve (4), indoor heat exchanger (5), the second shut-off valve (6) and the first electrically-controlled valve, first electric expansion valve (3) is arranged between the first shut-off valve (4) and outdoor heat exchanger (2), and the first electrically-controlled valve is arranged between the second shut-off valve (6) and compressor (1).Air conditioner according to the present invention can be realized the automatic recycling of refrigerant, reduce cumbersome degree.
Description
Technical field
The invention belongs to air-conditioning technique fields, and in particular to a kind of air conditioner and its refrigerant recovering control method.
Background technique
Domestic air conditioning is needed when after-sales service by the refrigerant recovering in system into outdoor unit, and Normal practice is
It needs air-conditioning opening refrigeration mode, the shut-off valve on condenser and indoor evaporator connecting line, certain time is turned off manually
The shut-off valve on indoor evaporator and compressor air suction end connecting line is turned off afterwards, is finally shut down.Whether refrigerant recycles completely
The experience for needing to see operator, possible refrigerant is unrecovered completely if recovery time is too short, and overlong time then may be because during length
It is unloaded and damage compressor.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of air conditioner and its refrigerant recovering control method, energy
The automatic recycling for enough realizing refrigerant, reduces cumbersome degree.
To solve the above-mentioned problems, it includes that compressor, outdoor heat exchanger, the first electronics are swollen that the present invention, which provides a kind of air conditioner,
Swollen valve, the first shut-off valve, indoor heat exchanger, the second shut-off valve and the first electrically-controlled valve, the first electric expansion valve are arranged at first section
Only between valve and outdoor heat exchanger, the first electrically-controlled valve is arranged between the second shut-off valve and compressor.
Preferably, air conditioner further includes four-way valve, and four-way valve is connect with compressor, and the setting of the first electrically-controlled valve is in the second cut-off
Between valve and four-way valve.
Preferably, air conditioner further includes alarm, and alarm after air conditioner reaches refrigerant recovering completion condition for sending out
Alarm out.
Preferably, the first electrically-controlled valve is the second electric expansion valve or electromagnetism two-port valve.
In accordance with a further aspect of the present invention, a kind of refrigerant recovering control method of above-mentioned air conditioner is provided, comprising: control
Air conditioner processed starts refrigerant recovering mode；It controls air conditioner and runs refrigeration mode；Control the closing of the first electric expansion valve, control the
One electrically-controlled valve is opened；Whether detection air conditioner operation meets preset condition；When meeting preset condition, judge that air conditioner is completed to receive
Fluorine, the first electrically-controlled valve of control are closed.
Preferably, the step of control air conditioner operation refrigeration mode includes: detection indoor environment temperature；By indoor environment temperature
It spends and is compared with the lower limit temperature of air conditioner operation refrigeration；If indoor environment temperature is lower than the lower limit temperature of air conditioner operation refrigeration
Degree forces air conditioner to open refrigeration mode.
Preferably, control the first electric expansion valve close the step of include: air conditioner run the refrigeration mode t1 time or
After operation to setpoint frequency P0, the first electric expansion valve is adjusted to fully closed conjunction state, while detecting the first electric expansion valve and closing
Compressor average exhaust T1, condenser before closing in the t2 time are averaged tube temperature TG1 and compressor is averaged running current I1.
Preferably, detection air conditioner runs that the step of whether meeting preset condition includes:
After the first electric expansion valve is closed, control compressor continuously runs the t2 time；
Obtain compressor exhaust temperature T2, condenser tube temperature TG2 after the first electric expansion valve is closed and compressor fortune
Row electric current I2；
Whether detection air conditioner operation meets at least one following condition:
The T2-T1 < △ Ta and continuous t4 time detects that delivery temperature no longer reduces；
TG1-TG2 >=△ Tb and continuous t5 the time detects TG2-TH≤△ Tc；
And
In the case where compressor frequency variation is less than b, the continuous t6 time detects I2/I1 < a%；
Wherein △ Ta, △ Tb and △ Tc indicate that constant value, a are constant value, and TH is outside environment temperature.
Preferably, detection air conditioner runs that the step of whether meeting preset condition includes:
Detect the duration of air conditioner operation refrigerant recovering mode；
If duration t > t3, judge that air conditioner completes refrigerant recovering.
Preferably, refrigerant recovering control method further include:
After closing the first electrically-controlled valve, close compressor and fans load；
It is sounded an alarm by alarm device.
Preferably, the step of being sounded an alarm by alarm device include:
Respective code, which is shown, by the display panel of indoor unit or is sounded an alarm by buzzer informs that user's completion is cold
Matchmaker's recycling.
Preferably, refrigerant recovering control method further include: close the first shut-off valve and the second shut-off valve.
Air conditioner provided by the invention, including compressor, outdoor heat exchanger, the first electric expansion valve, the first shut-off valve, room
Interior heat exchanger, the second shut-off valve and the first electrically-controlled valve, the setting of the first electric expansion valve the first shut-off valve and outdoor heat exchanger it
Between, the first electrically-controlled valve is arranged between the second shut-off valve and compressor.The air conditioner increases between compressor and the second shut-off valve
The first electrically-controlled valve is added, can have been matched with the first electric expansion valve having originally in air conditioner, has been realized to air-conditioner coolant
The automatic control of recycling, during the entire process of refrigerant recovering, it is only necessary to the first electric expansion valve of remote control and first automatically controlled
Valve, it will be able to complete the reclaimer operation of refrigerant, whole process is simple and convenient, is not necessarily to manual hand manipulation, it is only necessary to pass through control
Device etc. carries out electrical control, can be realized the automatic recycling of refrigerant, reduces cumbersome degree, reduce workload, improve
Refrigerant recovering efficiency.
Detailed description of the invention
Fig. 1 is the structure principle chart of the air conditioner of first embodiment of the invention；
Fig. 2 is the structure principle chart of the air conditioner of second embodiment of the invention；
The refrigerant recovering control method flow chart of the air conditioner of Fig. 3 embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, compressor；2, outdoor heat exchanger；3, the first electric expansion valve；4, the first shut-off valve；5, indoor heat exchanger；6,
Two shut-off valves；7, four-way valve；8, the second electric expansion valve；9, electromagnetism two-port valve.
Specific embodiment
In conjunction with referring to figure 1 and figure 2, according to an embodiment of the invention, air conditioner includes compressor 1, outdoor heat exchanger
2, the first electric expansion valve 3, the first shut-off valve 4, indoor heat exchanger 5, the second shut-off valve 6 and the first electrically-controlled valve, the first electronics are swollen
Swollen valve 3 is arranged between the first shut-off valve 4 and outdoor heat exchanger 2, and the first electrically-controlled valve is arranged in the second shut-off valve 6 and compressor 1
Between.
The air conditioner increases the first electrically-controlled valve between compressor 1 and the second shut-off valve, can be with script in air conditioner
The first electric expansion valve 3 having matches, and the automatic control recycled to air-conditioner coolant is realized, in the entire mistake of refrigerant recovering
Cheng Zhong, it is only necessary to remote control the first electric expansion valve 3 and the first electrically-controlled valve, it will be able to complete the reclaimer operation of refrigerant, entirely
Process is simple and convenient, is not necessarily to manual hand manipulation, it is only necessary to carry out electrical control by controller etc., can be realized refrigerant oneself
Dynamic recycling, reduces cumbersome degree, reduces workload, improve refrigerant recovering efficiency.
Air conditioner further includes four-way valve 7, and four-way valve 7 is connect with compressor 1, and the first electrically-controlled valve is arranged in the second shut-off valve 6
Between four-way valve 7.By the way that four-way valve 7 is arranged, the switching of air conditioner refrigeration and heat-production functions is realized with can be convenient.
Air conditioner further includes alarm, and alarm after air conditioner reaches refrigerant recovering completion condition for sounding an alarm.
After air conditioner runs refrigerant recovering mode, when detecting air conditioner completion refrigerant recovering operation, then it can pass through alarm
It sounds an alarm in time, informs that user has completed refrigerant recovering operation, in order to which user carries out the operation of next step.In this implementation
In example, the alarm that alarm issues can show as image or sound, such as be shown accordingly by the display panel of indoor unit
Code, or alarm sound is issued by buzzer etc., to remind user's refrigerant recovering to complete.
First electrically-controlled valve is the second electric expansion valve 8 or electromagnetism two-port valve 9.First electrically-controlled valve may be other forms
The electrically-controlled valve for capableing of control piper on-off be directly remotely controlled by controller etc. as long as can be manually operated without user
Operation.
In conjunction with shown in Figure 3, according to an embodiment of the invention, the refrigerant recovering control method packet of above-mentioned air conditioner
It includes: control air conditioner starting refrigerant recovering mode；It controls air conditioner and runs refrigeration mode；The closing of the first electric expansion valve 3 is controlled,
Control the first electrically-controlled valve opening；Whether detection air conditioner operation meets preset condition；When meeting preset condition, air conditioner is judged
It completes to receive fluorine, the first electrically-controlled valve of control is closed.
By above-mentioned control mode, can be realized by the first electric expansion valve 3 and the first electrically-controlled valve to refrigerant
Reclaimer operation, due to the first electric expansion valve 3 and the first electrically-controlled valve be it is automatically controlled, controller or remote control panel can be passed through
Etc. being remotely controlled, without manually being operated, making little runs to and fro without user indoor and outdoor is operated, therefore mode of operation is more
Add simple and convenient, laborsaving time saving, refrigerant recovering is more efficient, is easy to implement the automatic control of refrigerant recovering.
In addition, this kind of control method, is directly utilized original first electric expansion valve 3 in system, and increased one newly
Electrically-controlled valve realizes that improvement cost is lower to the reclaimer operation of refrigerant, will not influence air conditioner original function, therefore have good
Applicability.
The step of controlling air conditioner operation refrigeration mode includes: detection indoor environment temperature；By indoor environment temperature and sky
The lower limit temperature of device operation refrigeration is adjusted to be compared；If indoor environment temperature is lower than the lower limit temperature of air conditioner operation refrigeration, by force
Air conditioner processed opens refrigeration mode.
Under normal circumstances, most of air conditioner refrigerating set temperature is 16~30 DEG C in the market, when indoor environment temperature is lower than
At 16 DEG C, air conditioner fail to open refrigeration mode, is unable to complete successfully the reclaimer operation to refrigerant at this time.The application is in air conditioner
In joined forced refrigeration mode, when indoor environment temperature be lower than air conditioner refrigerating set temperature lower limit value when, directly force sky
Row refrigeration mode is allocated and transported, it is suitable in the case where the lower limit value that air conditioner refrigerating set temperature is lower than so as to environment temperature indoors
Benefit completes refrigerant recovering operation.
Controlling the step of the first electric expansion valve 3 is closed includes: to run refrigeration mode t1 time or operation extremely in air conditioner
After setpoint frequency P0, the first electric expansion valve 3 is adjusted to fully closed conjunction state, while before detection the first electric expansion valve 3 closing
Compressor average exhaust T1, condenser in the t2 time are averaged tube temperature TG1 and compressor is averaged running current I1.In sky
After adjusting device to run refrigeration mode, it is necessary first to it runs the t1 time or runs to setpoint frequency P0, so that air conditioner stable operation,
Then the first electric expansion valve 3 is adjusted to fully closed conjunction state, so that refrigerant flows to outdoor heat exchanger 2, and is stored in outdoor and changes
In hot device 2, the recycling of refrigerant is carried out.
The step of whether detection air conditioner operation meets preset condition includes: control after the first electric expansion valve 3 is closed
Compressor 1 continuously runs the t2 time；Obtain the compressor exhaust temperature T2 after the first electric expansion valve 3 is closed and compressor fortune
Row electric current I2；Whether detection air conditioner operation meets at least one following condition:
The T2-T1 < △ Ta and continuous t4 time detects that delivery temperature no longer reduces；
TG1-TG2 >=△ Tb and continuous t5 the time detects TG2-TH≤△ Tc；
And
In the case where compressor frequency variation is less than b, the continuous t6 time detects I2/I1 < a%；
Wherein △ Ta, △ Tb and indicate that constant value, a are constant value for △ Tc, TH is outside environment temperature.
Above-mentioned t1 >=3min, P0 are, for example, 50Hz, and t2 is, for example, 3s, and △ Ta is, for example, 3 DEG C, and t4 is, for example, 5s, △ Tb
For example, 1 DEG C, t5 is, for example, 5s, and △ Tc is, for example, 1 DEG C, and b is, for example, 2Hz, and a is, for example, that 50, t6 is, for example, 3s.
T2-T1 < △ Ta and when the continuous t4 time detects that delivery temperature no longer reduces, closes the first electric expansion valve 3
Afterwards, delivery temperature can sharply decline, and motor radiating rise can be given because of no refrigerant by completing refrigerant recovering final vacuum temperature, therefore be worked as
T2-T1 < △ Ta and when the continuous t4 time detects that delivery temperature no longer reduces, then illustrate delivery temperature in the first electronic expansion
Fluctuation is smaller after valve 3, and refrigerant recovering degree is higher, it can be considered that refrigerant is basically completed recycling.
After closing the first electric expansion valve 3, tube temperature can decline, and when completing recycling refrigerant, tube temperature and circumstance temperature are close to therefore
As TG1-TG2 >=△ Tb and when the continuous t5 time detects TG2-TH≤△ Tc, it is believed that refrigerant complete substantially by recycling.
After closing the first electric expansion valve 3, power can be gradually reduced, when experiment shows to receive refrigerant completely under normal circumstances,
Power is more than 40% received before refrigerant, so if can be in the case where compressor frequency changes and is less than b, the continuous t6 time is examined
I2/I1 < a% is measured, then alternatively bright refrigerant complete substantially by recycling.
Due to the running state of air conditioner after the conditioners running conditions and completion refrigerant recovering during refrigerant recovering
Between there are bigger differences, therefore by comparing air conditioner a period of time before and after closing the first electric expansion valve 3
Various operating statuses, can easily judge whether air conditioner completes refrigerant recovering operation.
Above-mentioned preset condition can only meet one of them, also can satisfy two, three or four therein.It is full
A possibility that condition of foot is more, then the structure judged is more accurate, judges by accident are smaller, can more accurately judge air conditioner
Complete refrigerant recovering operation.
The step of whether detection air conditioner operation meets preset condition includes: detection air conditioner operation refrigerant recovering mode
Duration；If duration t > t3, judge that air conditioner completes refrigerant recovering.T3 is, for example, 1min.
After air conditioner operation refrigerant recovering mode duration t exceeds t3, general compressor can harvest 95%
Above refrigerant, therefore regardless of whether meet one in four above-mentioned conditions, it is cold can to judge that air conditioner is completed accordingly
Matchmaker's reclaimer operation, to avoid refrigerant recovering overlong time from causing compressor unloaded for a long time and cause compressor damage, to pressure
Contracting machine forms loss prevention protection, improves safety and reliability when compressor operation.
Refrigerant recovering control method further include: after closing the first electrically-controlled valve, close compressor 1 and fans load；It is logical
Alarm device is crossed to sound an alarm.
The step of being sounded an alarm by alarm device includes: to show respective code by the display panel of indoor unit or pass through
Buzzer, which sounds an alarm, informs that user completes refrigerant recovering.After air conditioner runs refrigerant recovering mode, when detecting air-conditioning
Device completes refrigerant recovering operation, then can be sounded an alarm in time by alarm, informs that user has completed refrigerant recovering operation,
In order to which user carries out the operation of next step.
Refrigerant recovering control method further include: close the first shut-off valve 4 and the second shut-off valve 6.After executing this step, then
The refrigerant recovering operation of entire air conditioner is properly completed.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (12)
1. a kind of air conditioner, which is characterized in that including compressor (1), outdoor heat exchanger (2), the first electric expansion valve (3),
One shut-off valve (4), indoor heat exchanger (5), the second shut-off valve (6) and the first electrically-controlled valve, the first electric expansion valve (3) setting
Between first shut-off valve (4) and the outdoor heat exchanger (2), first electrically-controlled valve is arranged in second shut-off valve
(6) between the compressor (1).
2. air conditioner according to claim 1, which is characterized in that the air conditioner further includes four-way valve (7), the four-way
Valve (7) is connect with the compressor (1), and first electrically-controlled valve is arranged in second shut-off valve (6) and the four-way valve (7)
Between.
3. air conditioner according to claim 1, which is characterized in that further include alarm, the alarm is used for described
Air conditioner sounds an alarm after reaching refrigerant recovering completion condition.
4. air conditioner according to claim 1, which is characterized in that first electrically-controlled valve is the second electric expansion valve (8)
Or electromagnetism two-port valve (9).
5. a kind of refrigerant recovering control method of air conditioner as described in claim 1 characterized by comprising
It controls air conditioner and starts refrigerant recovering mode；
It controls air conditioner and runs refrigeration mode；
The first electric expansion valve (3) closing is controlled, the first electrically-controlled valve of control is opened；
Whether detection air conditioner operation meets preset condition；
When meeting preset condition, judge that air conditioner is completed to receive fluorine, the first electrically-controlled valve of control is closed.
6. refrigerant recovering control method according to claim 5, which is characterized in that control air conditioner operation refrigeration mode
Step includes:
Detect indoor environment temperature；
Indoor environment temperature is compared with the lower limit temperature of air conditioner operation refrigeration；
If indoor environment temperature forces air conditioner to open refrigeration mode lower than the lower limit temperature of air conditioner operation refrigeration.
7. refrigerant recovering control method according to claim 5, which is characterized in that control the first electric expansion valve (3) is closed
The step of closing include:
After air conditioner runs refrigeration mode t1 time or operation to setpoint frequency P0,
First electric expansion valve (3) is adjusted to fully closed conjunction state, while detecting before the first electric expansion valve (3) are closed the t2 time
Interior compressor average exhaust T1, condenser are averaged tube temperature TG1 and compressor is averaged running current I1.
8. refrigerant recovering control method according to claim 7, which is characterized in that it is pre- whether detection air conditioner operation meets
If the step of condition, includes:
After the first electric expansion valve (3) are closed, control compressor (1) continuously runs the t2 time；
Obtain compressor exhaust temperature T2, condenser tube temperature TG2 after the first electric expansion valve (3) are closed and compressor operation
Electric current I2；
Whether detection air conditioner operation meets at least one following condition:
The T2-T1 < △ Ta and continuous t4 time detects that delivery temperature no longer reduces；
TG1-TG2 >=△ Tb and continuous t5 the time detects TG2-TH≤△ Tc；
And
In the case where compressor frequency variation is less than b, the continuous t6 time detects I2/I1 < a%；
Wherein △ Ta, △ Tb and △ Tc indicate constant value, and a is constant value, and b is that compressor change frequency value TH is outside environment
Temperature.
9. refrigerant recovering control method according to claim 7, which is characterized in that it is pre- whether detection air conditioner operation meets
If the step of condition, includes:
Detect the duration of air conditioner operation refrigerant recovering mode；
If duration t > t3, judge that air conditioner completes refrigerant recovering.
10. refrigerant recovering control method according to claim 5, which is characterized in that refrigerant recovering control method further include:
After closing the first electrically-controlled valve, close compressor (1) and fans load；
It is sounded an alarm by alarm device.
11. refrigerant recovering control method according to claim 10, which is characterized in that the step sounded an alarm by alarm device
Suddenly include:
Respective code, which is shown, by the display panel of indoor unit or is sounded an alarm by buzzer informs that user completes refrigerant and returns
It receives.
12. refrigerant recovering control method according to claim 10, which is characterized in that refrigerant recovering control method is also wrapped
It includes:
Close the first shut-off valve (4) and the second shut-off valve (6).
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| CN201811052142.7A CN109357369B (en) | 2018-09-10 | 2018-09-10 | Air conditioner and refrigerant recovery control method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260450A (en) * | 2019-04-29 | 2019-09-20 | 青岛海尔空调电子有限公司 | Refrigerant recovering control method for air conditioner |
| CN110454905A (en) * | 2019-08-05 | 2019-11-15 | 广东美的制冷设备有限公司 | Control method, device, air conditioner and the electronic equipment of air conditioner |
| CN110940039A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN111207504A (en) * | 2020-01-13 | 2020-05-29 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant recovery control method |
| CN112682920A (en) * | 2019-10-17 | 2021-04-20 | 广东美的制冷设备有限公司 | Refrigerant recovery method, multi-split air conditioner system and computer readable storage medium |
| CN112923506A (en) * | 2021-02-25 | 2021-06-08 | 宁波奥克斯电气股份有限公司 | Refrigerant recovery control method and device and air conditioner |
| CN113739338A (en) * | 2021-09-14 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Liquid collection control method and system of air conditioner and air conditioner |
| CN114963299A (en) * | 2022-06-30 | 2022-08-30 | 海信空调有限公司 | Air conditioner |
| WO2023246147A1 (en) * | 2022-06-21 | 2023-12-28 | 青岛海尔空调器有限总公司 | Air conditioner refrigerant recovery method and apparatus, air conditioner, medium, and program product |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04208368A (en) * | 1990-11-30 | 1992-07-30 | Toshiba Corp | Air conditioner |
| CN102829582A (en) * | 2012-08-17 | 2012-12-19 | 广东美的暖通设备有限公司 | System and method for recovering refrigerant of air conditioner |
| CN104019525A (en) * | 2014-06-24 | 2014-09-03 | 广东美的暖通设备有限公司 | Recycling method and recycling system for air conditioner coolant |
| CN104236184A (en) * | 2013-06-17 | 2014-12-24 | 海尔集团公司 | Air conditioner refrigerant recovery detecting method |
| CN104748295A (en) * | 2014-01-01 | 2015-07-01 | 广东美的制冷设备有限公司 | Air conditioner and recycling method for air conditioner refrigerant |
| CN104776552A (en) * | 2014-01-14 | 2015-07-15 | 三星电子株式会社 | Air conditioner and fault diagnosis method thereof |
| CN105180498A (en) * | 2015-09-02 | 2015-12-23 | 广东美的制冷设备有限公司 | Floor-type split air conditioner, refrigerant recovering method and device |
| 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 |
| CN106595149A (en) * | 2016-11-22 | 2017-04-26 | 珠海格力电器股份有限公司 | Refrigerant recovery method and device of air conditioner |
-
2018
- 2018-09-10 CN CN201811052142.7A patent/CN109357369B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04208368A (en) * | 1990-11-30 | 1992-07-30 | Toshiba Corp | Air conditioner |
| CN102829582A (en) * | 2012-08-17 | 2012-12-19 | 广东美的暖通设备有限公司 | System and method for recovering refrigerant of air conditioner |
| CN104236184A (en) * | 2013-06-17 | 2014-12-24 | 海尔集团公司 | Air conditioner refrigerant recovery detecting method |
| CN104748295A (en) * | 2014-01-01 | 2015-07-01 | 广东美的制冷设备有限公司 | Air conditioner and recycling method for air conditioner refrigerant |
| CN104776552A (en) * | 2014-01-14 | 2015-07-15 | 三星电子株式会社 | Air conditioner and fault diagnosis method thereof |
| CN104019525A (en) * | 2014-06-24 | 2014-09-03 | 广东美的暖通设备有限公司 | Recycling method and recycling system for air conditioner coolant |
| CN105180498A (en) * | 2015-09-02 | 2015-12-23 | 广东美的制冷设备有限公司 | Floor-type split air conditioner, refrigerant recovering method and device |
| 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 |
| CN106595149A (en) * | 2016-11-22 | 2017-04-26 | 珠海格力电器股份有限公司 | Refrigerant recovery method and device of air conditioner |
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|---|---|---|---|---|
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| CN110260450B (en) * | 2019-04-29 | 2022-03-29 | 青岛海尔空调电子有限公司 | Refrigerant recovery control method for air conditioner |
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| CN112682920B (en) * | 2019-10-17 | 2022-05-17 | 广东美的制冷设备有限公司 | Refrigerant recovery method, multi-split air conditioner system and computer readable storage medium |
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| CN111207504A (en) * | 2020-01-13 | 2020-05-29 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant recovery control method |
| CN112923506A (en) * | 2021-02-25 | 2021-06-08 | 宁波奥克斯电气股份有限公司 | Refrigerant recovery control method and device and air conditioner |
| CN113739338A (en) * | 2021-09-14 | 2021-12-03 | 宁波奥克斯电气股份有限公司 | Liquid collection control method and system of air conditioner and air conditioner |
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| CN114963299A (en) * | 2022-06-30 | 2022-08-30 | 海信空调有限公司 | Air conditioner |
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