CN101929706A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN101929706A CN101929706A CN2009100406211A CN200910040621A CN101929706A CN 101929706 A CN101929706 A CN 101929706A CN 2009100406211 A CN2009100406211 A CN 2009100406211A CN 200910040621 A CN200910040621 A CN 200910040621A CN 101929706 A CN101929706 A CN 101929706A
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- air
- conditioner
- control module
- control
- heat exchanger
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- 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
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
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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
- F24F11/30—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
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- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0293—Control issues related to the indoor fan, e.g. controlling speed
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- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0294—Control issues related to the outdoor fan, e.g. controlling speed
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0312—Pressure sensors near the indoor heat exchanger
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0314—Temperature sensors near the indoor heat exchanger
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
-
- 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 and a control method thereof, which can find the leakage of an air conditioning system in time and protect the safety of users. The air conditioner comprises a control system, an outdoor unit and an indoor unit, wherein the control system comprises a refrigerant leakage control module which comprises more than one temperature sensor arranged on an indoor heat exchanger or an outdoor heat exchanger and more than one pressure sensor arranged on a lower-pressure part of a circulation pipe, and the temperature sensors and the pressure sensors are respectively and electrically connected with the refrigerant leakage control module.
Description
Technical field
The invention belongs to the refrigeration and air-conditioning technical field, relate in particular to a kind of air-conditioner and control method thereof.
Background technology
R290 (propane) claim propane again, has good thermal performance, and is cheap, and R290 and plain oil and frame for movement material have compatibility, ODP=0, and GWP is very little, do not need to synthesize, do not change the content of nature hydrocarbon, to not directly influence of greenhouse effects.The refrigerating effect per unit swept volume of propane is bigger, is well suited for the miniature rotary compressor.The Main physical character and the R22 of propane are extremely close, can adopt the R22 system, former machine and production line are not transformed greatly, and directly can propane gets final product, and belongs to direct substitute.R290 is the environment-friend substitution product of present internationally recognized CFC-12 the best.
R290 is as the pure natural refrigerant, has than more environmental protection of R22, more energy-conservation, numerous advantages that price is cheaper.But its combustibility is to hinder its unique obstacle in the air-conditioning industry large-scale application always.In order to ensure R290 air-conditioner user's safety, the improvement of safety that must be correlated with to air-conditioner.
The burning of R290 need reach two necessary conditions: special concentration range (R290 and air) and incendiary source, Neither of the two can be dispensed.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioner and control method thereof, can in time find the leakage of air-conditioning system, and can ensure user's safety.
The present invention is achieved through the following technical solutions:
Air-conditioner, include: control system, off-premises station and indoor set, wherein: described control system includes the coolant leakage control module, and described coolant leakage control module includes the more than one pressure sensor that is arranged on the more than one temperature sensor on described indoor heat exchanger or the outdoor heat exchanger and is arranged on described circulation line low-pressure section; Described temperature sensor and pressure sensor and coolant leakage control module are electrically connected respectively.
Be provided with outdoor heat exchanger, outdoor fan and compressor in the described off-premises station, be provided with indoor heat exchanger in the indoor set, sweep wind-powered electricity generation machine, display unit and indoor fan; Described outdoor heat exchanger, compressor and indoor heat exchanger are connected to form the circulation line of sealing by many refrigerant pipes, and refrigerant circulates in described circulation line; Described control system also includes indoor control panel and outdoor control panel; Described outdoor control panel is a kind of heavy-current control plate, include: indoor fan control module, outdoor fan control module, compressor control module, described outdoor control panel is connected with the 220V power supply, and is electrically connected respectively with indoor fan, outdoor outer blower fan and compressor; Described indoor control panel is a kind of light current control panel, includes: display unit control module and sweep wind-powered electricity generation machine control module, described indoor control panel and display unit with sweep the wind-powered electricity generation machine and be electrically connected respectively.
Described control system is provided with " reset " key that can restart air-conditioner, and described coolant leakage control module also comprises buzzer, display lamp, and described buzzer, display lamp and coolant leakage control module are electrically connected respectively.
The control method of above-mentioned air-conditioner, include to coolant leakage judge and the method controlled as follows:
When 1) starting shooting, indoor fan and outdoor fan start 10 seconds earlier, and compressor does not start; This moment, the coolant leakage control module of control system was not monitored air-conditioner;
2) the coolant leakage control module of air-conditioner start control system after 10 seconds promptly begins monitoring to air-conditioner, and temperature sensor and pressure sensor are gathered indoor heat exchanger or the numerical value of outdoor heat exchanger middle part temperature T and the numerical value of low pressure p;
3) when the collection numerical exception, then the coolant leakage control module of control system is made judgement according to the coolant leakage determination methods of setting to the leakage situation of air-conditioning, and makes alarm response;
4) after the warning, compressor shuts down, indoor fan and outdoor fan continuous running.
Described alarm response comprises: the warning form is that LED lamp on the display board all glimmers when take place leaking, and two 8 flickers show error codes, and buzzer is special rings; The warning form is that two 8 flickers show error number when lacking refrigerant, and buzzer is common rings.
After the air-conditioner shutdown, " reset " key of stirring in the controller is restarted air-conditioner.
Beneficial effect of the present invention is as follows:
Air-conditioner of the present invention and control method thereof, because outdoor control panel is the heavy-current control plate, indoor control panel is the light current control panel, control system includes the coolant leakage control module, the more than one pressure sensor that described air-conditioner includes buzzer, display lamp, is arranged on the more than one temperature sensor on described indoor heat exchanger or the outdoor heat exchanger and is arranged on described circulation line low-pressure section; Described buzzer, display lamp, temperature sensor and pressure sensor and coolant leakage control module are electrically connected respectively; When the collection numerical exception, then the coolant leakage control module of control system is made judgement according to the leakage decision logic of setting to the leakage situation of air-conditioning, and makes alarm response.That is, the machine control system concentrates on a mainboard in the common working medium air-conditioner, comprising forceful electric power and weak current part.When R290 working medium air-conditioner took place to leak for machine in avoiding, the igniting of strong power part caused that the indoor blasts, and forceful electric power in the control system of interior machine and light current are separated.Be light current entirely on the interior machine mainboard, the weak current part side that still stays within, with the convenient air-conditioner of controlling, strong power part then is independent of an other mainboard and it is moved on to the outside.Leak even air conditioner chamber is inboard like this, also can not produce the electronics spark, just can not produce burning; When system took place to leak, compressor shut down, and the continuous running of indoor and outdoor blower fan spills in the air refrigerant that leaks out apace, can't reach burning concentration, even there is incendiary source to occur like this, also can not produce burning.Simultaneously, remind the user by special sound and light alarm.Therefore, can in time find the leakage of air-conditioning system, and adopt an effective measure, improve the safety in utilization of R290 air-conditioner, effectively guarantee user's safety.
Description of drawings
Fig. 1 is the flow chart that coolant leakage is judged and controlled of air-conditioner control method of the present invention.
The specific embodiment
The invention discloses a kind of air-conditioner, include: control system, off-premises station and indoor set, wherein: described control system includes the coolant leakage control module, and described coolant leakage control module includes the more than one pressure sensor that is arranged on the more than one temperature sensor on described indoor heat exchanger or the outdoor heat exchanger and is arranged on described circulation line low-pressure section; Described temperature sensor and pressure sensor and coolant leakage control module are electrically connected respectively.
Be provided with outdoor heat exchanger, outdoor fan and compressor in the described off-premises station, be provided with indoor heat exchanger in the indoor set, sweep wind-powered electricity generation machine, display unit and indoor fan; Described outdoor heat exchanger, compressor and indoor heat exchanger are connected to form the circulation line of sealing by many refrigerant pipes, and refrigerant circulates in described circulation line; Described control system also includes indoor control panel and outdoor control panel; Described outdoor control panel is a kind of heavy-current control plate, include: indoor fan control module, outdoor fan control module, compressor control module, described outdoor control panel is connected with the 220V power supply, and is electrically connected respectively with indoor fan, outdoor outer blower fan and compressor; Described indoor control panel is a kind of light current control panel, includes: display unit control module and sweep wind-powered electricity generation machine control module, described indoor control panel and display unit with sweep the wind-powered electricity generation machine and be electrically connected respectively.
Described control system is provided with " reset " key that can restart air-conditioner, and described coolant leakage control module also comprises buzzer, display lamp, and described buzzer, display lamp and coolant leakage control module are electrically connected respectively.
The control method of above-mentioned air-conditioner is asked for an interview Fig. 1, include to coolant leakage judge and the method controlled as follows:
When 1) air-conditioner was started shooting, indoor fan and outdoor fan started 10 seconds earlier, and compressor does not start; This moment, the coolant leakage control module of control system was not monitored air-conditioner;
2) the coolant leakage control module of air-conditioner start control system after 10 seconds promptly begins monitoring to air-conditioner, and temperature sensor and pressure sensor are gathered indoor heat exchanger or the numerical value of outdoor heat exchanger middle part temperature T and the numerical value of low pressure p;
3) when the collection numerical exception, then the coolant leakage control module of control system is made judgement according to the coolant leakage determination methods of setting to the leakage situation of air-conditioning, and makes alarm response;
4) after the warning, compressor shuts down, indoor fan and outdoor fan continuous running.
In the described coolant leakage determination methods, include and begin to carry out the determining step that coolant leakage detects and be:
During air-conditioner start operation, the coolant leakage control module of control system begins monitoring, gets an instantaneous temperature T and pressure p value in per 3 seconds, and note is made Tt, Pt respectively, and t represents the time;
Temperature control point is a heat exchanger middle part temperature T, is indoor heat exchanger middle part temperature T during refrigeration, is outdoor heat exchanger middle part temperature T when heating; Pressure control point is a circulation line low-pressure section pressure p.
In the described coolant leakage determination methods, include and judge that the judgment criterion whether refrigerant leaks is:
Work as T
t〉=β ℃ (10 ℃≤β≤40 ℃), P
t(during 1kgf≤δ≤6kgf), system begins to continue to detect 3min to≤δ kgf;
At this moment,
1. if T
T+x-T
t〉=η ℃ (0.5 ℃≤η≤10 ℃), P
t-P
T+x〉=θ kgf (0.5kgf≤θ≤5kgf), (x=3,6,9 ... 60, unit: S), then be judged as the air-conditioner coolant gross leak;
2. if T
T+x-T
t＜ε ℃ (0 ℃＜ε≤2 ℃), P
t-P
T+x＜ρ kgf (0kgf＜ρ≤2kgf) and 0＜T
T+60-T
t＜ε ℃ (0 ℃＜ε≤2 ℃), 0＜P
t-P
T+60＜ρ kgf (0kgf＜ρ≤2kgf), be judged as the little leakage of air-conditioner coolant;
3. otherwise be judged as scarce refrigerant.
Preferably,
When refrigerating operaton, Tt 〉=β ℃ (15 ℃≤β≤35 ℃), (1kgf≤δ≤4kgf), system begins to continue to detect 3min to Pt≤δ kgf.
When heating, moving, Tt 〉=β ℃ (5 ℃≤β≤15 ℃), (1kgf≤δ≤4kgf), system begins to continue to detect 3min to Pt≤δ kgf.
Described alarm response comprises: the warning form is that LED display lamp on the display board all glimmers when take place leaking, and two 8 flickers show error codes, and buzzer is special rings; The warning form is that two 8 flickers show error number when lacking refrigerant, and buzzer is common rings.
After the air-conditioner shutdown, " reset " key of stirring in the controller is restarted air-conditioner.
Above-mentioned listed specific implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.
Claims (10)
1. air-conditioner, include: control system, off-premises station and indoor set, it is characterized in that: described control system includes the coolant leakage control module, and described coolant leakage control module includes the more than one pressure sensor that is arranged on the more than one temperature sensor on described indoor heat exchanger or the outdoor heat exchanger and is arranged on described circulation line low-pressure section; Described temperature sensor and pressure sensor and coolant leakage control module are electrically connected respectively.
2. air-conditioner as claimed in claim 1 is characterized in that: be provided with outdoor heat exchanger, outdoor fan and compressor in the described off-premises station, be provided with indoor heat exchanger in the indoor set, sweep wind-powered electricity generation machine, display unit and indoor fan; Described outdoor heat exchanger, compressor and indoor heat exchanger are connected to form the circulation line of sealing by many refrigerant pipes, and refrigerant circulates in described circulation line; Described control system also includes indoor control panel and outdoor control panel; Described outdoor control panel is a kind of heavy-current control plate, include: indoor fan control module, outdoor fan control module, compressor control module, described outdoor control panel is connected with the 220V power supply, and is electrically connected respectively with indoor fan, outdoor outer blower fan and compressor; Described indoor control panel is a kind of light current control panel, includes: display unit control module and sweep wind-powered electricity generation machine control module, described indoor control panel and display unit with sweep the wind-powered electricity generation machine and be electrically connected respectively.
3. air-conditioner as claimed in claim 1, it is characterized in that: described control system is provided with " reset " key that can restart air-conditioner, described coolant leakage control module also comprises buzzer, display lamp, and described buzzer, display lamp and coolant leakage control module are electrically connected respectively.
4. a control is characterized in that as the control method of air-conditioner as described in claim 2 or 3: include to coolant leakage judge and the method controlled as follows:
When 1) air-conditioner was started shooting, indoor fan and outdoor fan started 10 seconds earlier, and compressor does not start; This moment, the coolant leakage control module of control system was not monitored air-conditioner;
2) the coolant leakage control module of air-conditioner start control system after 10 seconds promptly begins monitoring to air-conditioner, and temperature sensor and pressure sensor are gathered indoor heat exchanger or the numerical value of outdoor heat exchanger middle part temperature T and the numerical value of low pressure p;
3) when the collection numerical exception, then the coolant leakage control module of control system is made judgement according to the coolant leakage determination methods of setting to the leakage situation of air-conditioning, and makes alarm response;
4) after the warning, compressor shuts down, indoor fan and outdoor fan continuous running.
5. the control method of air-conditioner as claimed in claim 4 is characterized in that: in the described coolant leakage determination methods, include and begin to carry out the determining step that coolant leakage detects and be:
During air-conditioner start operation, the coolant leakage control module of control system begins monitoring, gets an instantaneous temperature T and pressure p value in per 3 seconds, and note is made Tt, Pt respectively, and t represents the time;
Temperature control point is a heat exchanger middle part temperature T, is indoor heat exchanger middle part temperature T during refrigeration, is outdoor heat exchanger middle part temperature T when heating; Pressure control point is a circulation line low-pressure section pressure p.
6. the control method of air-conditioner as claimed in claim 5 is characterized in that: in the described coolant leakage determination methods, include and judge that the judgment criterion whether refrigerant leaks is:
Work as T
t〉=β ℃ (10 ℃≤β≤40 ℃), P
t(during 1kgf≤δ≤6kgf), system begins to continue to detect 3min to≤δ kgf;
At this moment,
1. if T
T+x-T
t〉=η ℃ (0.5 ℃≤η≤10 ℃), P
t-P
T+x〉=θ kgf (0.5kgf≤θ≤5kgf), (x=3,6,9 ... 60, unit: S), then be judged as the air-conditioner coolant gross leak;
2. if T
T+x-T
t＜ε ℃ (0 ℃＜ε≤2 ℃), P
t-P
T+x＜ρ kgf (0kgf＜ρ≤2kgf) and 0＜T
T+60-T
t＜ε ℃ (0 ℃＜ε≤2 ℃), 0＜P
t-P
T+60＜ρ kgf (0kgf＜ρ≤2kgf), be judged as the little leakage of air-conditioner coolant;
3. otherwise be judged as scarce refrigerant.
7. the control method of air-conditioner as claimed in claim 6 is characterized in that: when refrigerating operaton, Tt 〉=β ℃ (15 ℃≤β≤35 ℃), (1kgf≤δ≤4kgf), system begins to continue to detect 3min to Pt≤δ kgf.
8. the control method of air-conditioner as claimed in claim 6 is characterized in that: when heating during operation, Tt 〉=β ℃ (5 ℃≤β≤15 ℃), (1kgf≤δ≤4kgf), system begins to continue to detect 3min to Pt≤δ kgf.
9. the control method of air-conditioner as claimed in claim 5, it is characterized in that: described alarm response comprises: the warning form is that LED display lamp on the display board all glimmers when taking place to leak, and two 8 flickers show error codes, and buzzer is special rings; The warning form is that two 8 flickers show error number when lacking refrigerant, and buzzer is common rings.
10. the control method of air-conditioner as claimed in claim 5 is characterized in that: after the air-conditioner shutdown, stir interior " reset " key of controller and restart air-conditioner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100406211A CN101929706B (en) | 2009-06-26 | 2009-06-26 | Air conditioner and control method thereof |
| PCT/CN2010/074046 WO2010148989A1 (en) | 2009-06-26 | 2010-06-18 | Air conditionaer and method for controlling the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100406211A CN101929706B (en) | 2009-06-26 | 2009-06-26 | Air conditioner and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101929706A true CN101929706A (en) | 2010-12-29 |
| CN101929706B CN101929706B (en) | 2012-11-21 |
Family
ID=43369029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100406211A Active CN101929706B (en) | 2009-06-26 | 2009-06-26 | Air conditioner and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101929706B (en) |
| WO (1) | WO2010148989A1 (en) |
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| CN102162666A (en) * | 2011-05-26 | 2011-08-24 | 广东美的电器股份有限公司 | Control method for combustible refrigerant split-type air conditioner |
| CN102226550A (en) * | 2011-05-26 | 2011-10-26 | 广东美的电器股份有限公司 | Air-conditioner for using flammable refrigeration agent and control method thereof |
| CN104075419A (en) * | 2014-07-02 | 2014-10-01 | 珠海格力电器股份有限公司 | Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner |
| CN104089381A (en) * | 2014-06-24 | 2014-10-08 | 珠海格力电器股份有限公司 | Combustible refrigerant leakage detection device and method and air conditioner |
| CN104633864A (en) * | 2015-02-05 | 2015-05-20 | 珠海格力电器股份有限公司 | Coolant leakage detection method and device for air condition and air condition outdoor unit |
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| CN106895561A (en) * | 2017-02-28 | 2017-06-27 | 广东美的制冷设备有限公司 | A kind of method, control device and air-conditioner of air-conditioner for detecting air-conditioner coolant leakage |
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| CN107655247B (en) * | 2017-09-22 | 2022-11-15 | 青岛海尔空调器有限总公司 | Control method and system of air conditioner in refrigeration mode |
| CN110887167A (en) * | 2018-09-10 | 2020-03-17 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
| CN111121223B (en) * | 2019-12-31 | 2022-03-11 | Tcl空调器(中山)有限公司 | Fluorine-lacking protection method of air conditioner, air conditioner and storage medium |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218058A (en) * | 1994-02-01 | 1995-08-18 | Hitachi Ltd | Refrigerating/air conditioning device having function for determining proper refrigerant amount |
| NL1008023C2 (en) * | 1998-01-14 | 1999-07-15 | Hollandse Signaalapparaten Bv | Cooling device for an infrared detector. |
| JP3949291B2 (en) * | 1998-09-03 | 2007-07-25 | カルソニックカンセイ株式会社 | Air conditioner for electric vehicles |
| KR20010062946A (en) * | 1999-12-21 | 2001-07-09 | 윤종용 | method for sensing leak of refrigerant in air conditioner |
| WO2003027587A1 (en) * | 2001-09-19 | 2003-04-03 | Kabushiki Kaisha Toshiba | Refrigerator-freezer, controller of refrigerator-freezer, and method for determination of leakage of refrigerant |
| CN1566826A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Air-conditioner with one outdoor set and multiple indoor sets and its control method |
| CN1782575A (en) * | 2004-11-29 | 2006-06-07 | 乐金电子(天津)电器有限公司 | Device and method for controlling cold medium leakage of pipe fitting of one dragging more air conditioner |
| CN1888644A (en) * | 2005-06-27 | 2007-01-03 | 乐金电子(天津)电器有限公司 | Air conditioner refrigerant leakaging sensing method |
| CN201181060Y (en) * | 2008-03-27 | 2009-01-14 | Tcl集团股份有限公司 | DC frequency conversion air conditioner |
-
2009
- 2009-06-26 CN CN2009100406211A patent/CN101929706B/en active Active
-
2010
- 2010-06-18 WO PCT/CN2010/074046 patent/WO2010148989A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162666A (en) * | 2011-05-26 | 2011-08-24 | 广东美的电器股份有限公司 | Control method for combustible refrigerant split-type air conditioner |
| CN102226550A (en) * | 2011-05-26 | 2011-10-26 | 广东美的电器股份有限公司 | Air-conditioner for using flammable refrigeration agent and control method thereof |
| CN102226550B (en) * | 2011-05-26 | 2013-08-28 | 广东美的电器股份有限公司 | Air-conditioner for using flammable refrigeration agent and control method thereof |
| CN104089381B (en) * | 2014-06-24 | 2016-12-21 | 珠海格力电器股份有限公司 | Device, method and the air-conditioner of detection combustible refrigerant leakage |
| CN104089381A (en) * | 2014-06-24 | 2014-10-08 | 珠海格力电器股份有限公司 | Combustible refrigerant leakage detection device and method and air conditioner |
| CN104075419A (en) * | 2014-07-02 | 2014-10-01 | 珠海格力电器股份有限公司 | Flammable refrigerant air-conditioner fire protection system and application method thereof as well as air-conditioner |
| CN104633864A (en) * | 2015-02-05 | 2015-05-20 | 珠海格力电器股份有限公司 | Coolant leakage detection method and device for air condition and air condition outdoor unit |
| CN104633864B (en) * | 2015-02-05 | 2018-02-27 | 珠海格力电器股份有限公司 | Secondary refrigerant leakage detection method, device and air-conditioner outdoor unit for air-conditioning |
| CN105042701B (en) * | 2015-09-02 | 2017-12-12 | 广东美的制冷设备有限公司 | Split-floor type air conditioner, explosion prevention controlling process and device |
| CN105042701A (en) * | 2015-09-02 | 2015-11-11 | 广东美的制冷设备有限公司 | Split floor type air conditioner and anti-explosion control method and device |
| CN106016579B (en) * | 2016-05-10 | 2019-01-22 | 广东美的制冷设备有限公司 | Air-conditioning system and the Discrete control method and apparatus for preventing secondary refrigerant leakage |
| CN106016579A (en) * | 2016-05-10 | 2016-10-12 | 广东美的制冷设备有限公司 | Air-conditioner system and subsection control method and device for preventing refrigerant leakage |
| CN106839283A (en) * | 2017-01-05 | 2017-06-13 | 青岛海尔空调器有限总公司 | The detection method of coolant leakage |
| CN106895561A (en) * | 2017-02-28 | 2017-06-27 | 广东美的制冷设备有限公司 | A kind of method, control device and air-conditioner of air-conditioner for detecting air-conditioner coolant leakage |
| CN106895561B (en) * | 2017-02-28 | 2019-07-30 | 广东美的制冷设备有限公司 | It is a kind of detection air-conditioner coolant leakage method, air conditioner control device and air conditioner |
| US20220042698A1 (en) * | 2020-08-07 | 2022-02-10 | Emerson Climate Technologies, Inc. | Refrigeration Leak Detection |
| US11885516B2 (en) * | 2020-08-07 | 2024-01-30 | Copeland Lp | Refrigeration leak detection |
| WO2023040379A1 (en) * | 2021-09-17 | 2023-03-23 | 杭州先途电子有限公司 | Control device and method, and air conditioning system |
| CN114407603A (en) * | 2021-11-23 | 2022-04-29 | 西安交通大学 | System and method for improving safety of combustible working medium electric vehicle heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010148989A1 (en) | 2010-12-29 |
| CN101929706B (en) | 2012-11-21 |
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