CN1991264A - Air-conditioner and control method thereof - Google Patents
Air-conditioner and control method thereof Download PDFInfo
- Publication number
- CN1991264A CN1991264A CNA2006100667364A CN200610066736A CN1991264A CN 1991264 A CN1991264 A CN 1991264A CN A2006100667364 A CNA2006100667364 A CN A2006100667364A CN 200610066736 A CN200610066736 A CN 200610066736A CN 1991264 A CN1991264 A CN 1991264A
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- compressor
- temperature
- air conditioner
- indoor heat
- heat converter
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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
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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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F24F2110/12—Temperature of the outside air
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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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
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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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and controlling method thereof capable of cooling operation in the low temperature environment when the outdoor temperature is low. The air conditioner comprises a variable capacity compressor which can vary the capacity; an indoor heat exchanger used for evaporator at the time of the cooling operation; an outdoor temperature sensor for detecting the outdoor temperature; a controlling section which confines the lower limit capacity of the compressor when the detected outdoor temperature is within the predetermined region during cooling operation, and which variably controls the compressor capacity to be larger than the predetermined lower limit capacity based on load. Therefore, the invention can permit the substantially cooling operation in the environment that the outdoor temperature is low, and is benefit to avoid the indoor heat exchanger being frozen, so that the reliability of the equipment cooling circulation can be ensured. Further, the invention can avoid the phenomena of the compressor damage caused by liquid cooling agent flowing in by controlling the speed of indoor fan during cooling operation.
Description
Technical field
The present invention relates to a kind of air conditioner and control method thereof of under the lower environment of outdoor temperature, carrying out refrigerating operaton, relate in particular to the air conditioner and the control method thereof that limit compressor capacity and control room internal fan rotating speed according to outdoor temperature and indoor heat converter temperature, carry out the cryogenic refrigeration operation thus smoothly.
Background technology
Usually, air conditioner utilizes the variable compressor of ability to control its refrigerating capacity according to load.
According to traditional control method of operation air conditioner, when under outdoor temperature is higher than the condition of predetermined temperature (about 18 ℃), carrying out refrigerating operaton, can bring into play good refrigerating capacity.And when under outdoor temperature is lower than the environment of predetermined temperature, continuing to carry out refrigerating operaton, may flow into liquid refrigerant in the compressor and cause compressor impaired, and indoor heat converter is freezed, thereby need carry out operation corresponding to above-mentioned situation.Describe below with reference to Fig. 1.
When Fig. 1 carries out refrigerating operaton for the air conditioner that adopts frequency conversion (inverter) compressor, according to the temperature control compressor of indoor heat converter and the operation curve figure of indoor fan.As shown in the figure, compressor normally moves when the temperature of indoor heat converter is higher than predetermined temperature (B), and compressor was set to the service ability (P1) corresponding to load and moved speed (UL) operation that indoor fan is set according to the user this moment.Yet when the temperature of indoor heat converter drops to predetermined temperature (B) when following, compressor is with low-limit frequency (Pmin) operation, and indoor fan is kept the speed that the user sets.Afterwards, when the temperature of indoor heat converter drops to predetermined temperature (C) when following, in order to prevent the frozen compressor operating that stops of indoor heat converter, and indoor fan is set at minimum speed (Lmin).Yet when the temperature of indoor heat converter rose to former temperature (A), starting compressor and setting were corresponding to the service ability (P1) of load, and indoor fan moves with the speed (UL) that the user sets.
But, when outdoor temperature is low, compressor is stopped and can not carrying out refrigerating operaton, perhaps compressor carries out frequent starting, the intermitten service that stops.If high frequent starting, stop, then not only can not carry out real refrigerating operaton, and compressor oil can not circulate successfully, thereby may shorten the compressor life-span.
So, though traditional air conditioner is restricted to low-limit frequency and has prevented the frozen phenomenon of indoor heat converter a little by the running frequency with compressor when cryogenic refrigeration moves, but can not really satisfy the customer requirements of wishing to carry out refrigerating operaton, therefore reduce the reliability of air conditioner refrigeration circulation.
Summary of the invention
The present invention proposes in order to solve aforesaid problem, and its purpose is to provide air conditioner and the control method thereof that also can carry out real refrigerating operaton under the lower environment of a kind of outdoor temperature, can improve the reliability of equipment to kind of refrigeration cycle thus.
The air conditioner and the control method thereof of normal compression ratio are provided by control room internal fan speed when another object of the present invention is to provide a kind of cryogenic refrigeration to move, can prevent that thus compressor is impaired.
According to air conditioner provided by the present invention, comprise: the variable ability compressor that ability is variable to achieve these goals; The indoor heat converter that is used for evaporimeter during refrigerating operaton; Be used to monitor the outdoor temperature sensor of outdoor temperature; Control part being used for limiting the lower limit ability of described compressor when outdoor temperature that refrigerating operaton is monitored is in predetermined setting regions, and is controlled to be more than the lower limit ability that is limited described compressor capacity is variable according to load.
And the described compressor lower limit ability that is limited by described control part is for satisfying the not frozen scope of described indoor heat converter.
And when using when changing running frequency and control the frequency-changeable compressor of its ability according to described load, the compressor lower limit ability that is limited is for forming during greater than the minimum operation frequency of described frequency-changeable compressor in running frequency.
And, also comprise the indoor fan that carries out air draft for the heat exchange of described indoor heat converter, and in order during described refrigerating operaton, to form the speed of the described control part of normal compression ratio according to the described indoor fan of the variable control of described outdoor temperature.
And described normal compression ratio is 2～8.
And when described setting regions comprises two when regional at least, the relatively low zone of described control part outdoor temperature scope among two zones is set at height with described indoor fan speed.
And, also comprise the indoor heat converter temperature sensor, to be used to monitor the temperature of described indoor heat converter, when the indoor heat converter temperature of being monitored was first design temperature, described control part was fixed as the lower limit ability that is limited with described compressor capacity and moves.
And, when the indoor heat converter temperature of being monitored is when being lower than second design temperature of described first design temperature, described control part described compressor out of service.
The air conditioner control method of refrigerating operaton comprises step by changing compressor capacity: the monitoring outdoor temperature according to provided by the present invention to achieve these goals; Judge that the outdoor temperature monitored is whether in predetermined zone; In the time of in the outdoor temperature of being monitored is in described setting regions, limit described compressor lower limit ability; Compressor capacity is changed into more than the compressor lower limit ability that is limited according to load, to be used to carry out refrigerating operaton.
And, set described compressor capacity and make the described compressor capacity that is limited satisfy the not frozen scope of indoor heat converter.
And the temperature of monitoring indoor heat converter during the described refrigerating operaton when the indoor heat converter temperature of being monitored is first design temperature, then is fixed as the compressor lower limit ability that is limited with described compressor capacity and moves.
And, if the indoor heat converter temperature of being monitored is second design temperature that is lower than first design temperature, described compressor then out of service.
And the outdoor temperature of being monitored during the described refrigerating operaton is low more, and then described indoor fan speed is set at high more, so that described compressor forms normal compression ratio.
Description of drawings
Fig. 1 prevents the operation curve figure of frozen compressor of indoor heat converter and indoor fan for traditional being used to of expression;
Fig. 2 is the block diagram according to air conditioner provided by the present invention;
Fig. 3 is according to provided by the present invention according to the compressor of outdoor temperature and indoor heat converter temperature and the operation curve figure of indoor fan;
The area schematic that Fig. 4 sets according to outdoor temperature for the present invention;
Fig. 5 is the table of expression and the foundation outdoor temperature corresponding compressor in zone provided by the present invention and indoor fan and outdoor fan action;
Fig. 6 is the precedence diagram of expression according to air conditioner control method provided by the present invention;
Main symbol description: 10 is outdoor temperature sensor, and 20 is the indoor heat converter temperature sensor, and 40 is control part, and 50 is driven compressor portion, and 60 is the indoor fan drive division, and 70 is the outdoor fan drive division.
The specific embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
According to air conditioner provided by the present invention as shown in Figure 2, comprise the control part 40 that is used to control whole refrigerating operaton actions.
Indoor heat converter temperature sensor 20 is positioned to be arranged on does not have illustrated indoor set inner and be used for the indoor heat converter of evaporimeter when refrigerating operaton, monitors the temperature of indoor heat converter and the indoor heat converter temperature of being monitored is offered control part 40 being used to.
When carrying out refrigerating operaton under the lower low temperature environment of outdoor temperature, control part 40 limits the lower limit ability of compressor.At this, the lower limit ability that is limited is to set in the limit of power of not freezing according to indoor heat converter.The compressor lower limit ability that is limited not is to be fixed as certain value, but according to compressor capacity that air conditioner adopted with adopt the compressor kind of different compress modes may be different, but also may be according to outdoor temperature and different.The lower limit ability relevant information that is limited is stored on the storage part 80, and when the control operation, uses by reading stored information.For example, when adopting frequency-changeable compressor, the lower limit ability that is limited generally adopts the frequency that is higher than compressor minimum operation frequency (Poff).
As shown in Figure 3, when outdoor temperature reduced, control part 40 carried out variable ability operation according to the value that is used to limit more than the excessive compressor lower limit ability that reduces of compressor capacity according to load.And during the cryogenic refrigeration operation, control part 40 is in order to form the speed of normal compression ratio control room internal fan in compressor.At this, normal compression ratio is 2～8.Because the low more heat exchanger effectiveness that needs more to increase indoor heat converter of outdoor temperature could form normal compression ratio, thereby control part 40 is set at the indoor fan speed that is higher than second area (Z2) with the indoor fan speed of the 3rd zone (Z3).
According to the present invention outdoor temperature is divided into a plurality of zones, as shown in Figure 4, based on a plurality of fiducial temperature line (To1-To3, To2-To4; To3＞To1＞To4＞To2) is divided into first area (Z1), second area (Z2) and the 3rd zone (Z3).At this, corresponding to the situation of normal refrigerating operaton, second area (Z2) and the 3rd zone (Z3) are corresponding to the cryogenic refrigeration operation and prevent the frozen ruuning situation of indoor heat converter, and this information is stored on the storage part 80 in advance first area (Z1).
(the control content at compressor 55, indoor fan 65 and outdoor fan 75 of Z1～Z3) is different corresponding to three zones, first area to the.
As shown in Figure 5, when outdoor temperature is in first area (Z1), changes compressor capacity according to load and normally move, the speed operation that indoor fan is set according to the user.At this, the air quantity (high wind, apoplexy, weak wind) that the speed of indoor fan is set by input part 30 corresponding to the user.And present embodiment is according to the speed of control room, the velocity adaptive ground external fan of being set by outdoor temperature and compressor capacity (or running frequency) that function calculated.
Then, when outdoor temperature is in second area (Z2), carry out variable ability operation according to load by the value more than the compressor lower limit ability that limits, indoor fan speed is set to first setting speed simultaneously.At this, first setting speed is set to midrange speed standard (L2) among maximum speed standard (L3), midrange speed standard (L2), minimum speed standard (L1), and Xiang Guan information is stored on the storage part 80 in advance therewith.It is identical with the speed of first area (Z1) that the speed of outdoor fan is controlled to be.
Then, when outdoor temperature is in the 3rd zone (Z3), carry out variable ability operation according to load according to the value more than the compressor lower limit ability that is limited, indoor fan speed is set to second setting speed greater than first setting speed simultaneously.At this, second setting speed is set to maximum speed standard (L3).It is identical with the speed of first area (Z1) that the speed of outdoor fan is controlled to be.
In cryogenic refrigeration when operation,, if the temperature of outdoor heat converter further reduces, then control part 40 stops compressor in order to prevent that indoor heat converter is frozen.
The following course of work that describes foundation air conditioner provided by the present invention with reference to accompanying drawing 3, Fig. 5 and Fig. 6 in detail.
If connect power supply to air conditioner, then air conditioner carries out the initialization operation.Finish after the initialization operation, whether the operational mode that the user instruction that control part 40 judgements are imported by input part 30 sets is refrigerating operaton (101).
If be set at refrigerating operaton, then control part 40 is by outdoor temperature sensor 10 monitoring outdoor temperatures (103), and judge whether the outdoor temperature of being monitored is in the predetermined first area (Z1) (105), judged result is if be in the first area (Z1), then change compressor capacity (P1 according to load, P2), carry out normal refrigerating operaton (107) simultaneously.At this moment, the speed of indoor fan is set at user's setting speed (UL, 109).User's setting speed (UL) is any one standard speed among maximum speed standard (L3), midrange speed standard (L2), the minimum speed standard (L1), and user's setting speed is set to minimum speed standard (L1) in the present embodiment.
The judged result of step 105, if the outdoor temperature of being monitored is not in the predetermined first area (Z1), then judge whether to be in second area (Z2,111) in, judged result is if be in the second area (Z2), then carry out the variable ability operation of compressor (P2, P3,113) according to the value more than the compressor lower limit ability that is limited according to load.At this moment, the speed of indoor fan is set to the midrange speed standard (L2,115) than the high standard of user setting speed (UL) (1LP).
The judged result of step 111, if the outdoor temperature of being monitored is not in the predetermined second area (Z2), then judge whether to be in the 3rd zone (Z3,117) in, judged result is if be in the 3rd zone (Z3), then carry out the variable ability operation of compressor (P4, P5,119) according to the value more than the compressor lower limit ability that is limited according to load.At this moment, the speed of indoor fan is set to the maximum speed standard (L3,121) than high two standards of user setting speed (UL) (2LP).
The judged result of step 117 if the outdoor temperature of being monitored is not in predetermined the 3rd zone (Z3), then turns back to step 103.
Completing steps 109,115,121 o'clock is correspondingly controlled the speed (122) of each outdoor fan.
Carry out during the refrigerating operaton, control part 40 is by the temperature (Te, 133) of the temperature sensor 20 monitoring indoor heat converters of indoor heat converter.
The judged result of step 135, if the indoor heat converter temperature (Te) of being monitored is not higher than first design temperature (B), then control part 40 judges whether the indoor heat converter temperature (Te) of being monitored is lower than first design temperature (B) and is higher than second design temperature lower than described first design temperature (B) (C, 141).Judged result is higher than second design temperature (C) if the temperature of indoor heat converter (Te) is lower than first design temperature (B), then compressor is fixed as lower limit ability (Px) value of qualification and moves (143).At this, the lower limit ability (Px) of compressor only just takes place when the compressor operating frequency is higher than low-limit frequency (Poff).
The judged result of step 141, if the indoor heat converter temperature (Te) of being monitored is lower than first design temperature (B) when not being higher than second design temperature (C), control part 40 judges whether the indoor heat converter temperature (Te) of being monitored is lower than second design temperature (C, 145).Judged result is if the temperature of indoor heat converter (Te) is lower than second design temperature (C), then in order to prevent that indoor heat converter is frozen and stop compressor operating (147).When stopping compressor, control part 40 judges whether the temperature (Te) of indoor heat converter is higher than the former temperature higher than described first design temperature (B) (A, 149).Judged result if the temperature of indoor heat converter (Te) is not higher than former temperature (A), then continues to keep the halted state of compressor.
Carry out the judged result of step 137 and step 143 or step 147, if indoor heat converter temperature (Te) surpasses former temperature (A), then control part 40 judges whether operation stops (150).Judged result if do not have out of servicely, then turns back to step 103.
If the judged result of step 150 is out of service, then control part 40 close compressor, indoor fan and outdoor fan (151).
In sum, even the present invention also can carry out substantive refrigerating operaton effectively under the lower environment of outdoor temperature, and help preventing that indoor heat converter is frozen, thereby can guarantee the reliability of equipment kind of refrigeration cycle.In addition, the present invention is when carrying out refrigerating operaton under the lower environment of outdoor temperature, and the speed by the control room internal fan prevents to flow into the impaired phenomenon of compressor that causes because of liquid refrigerant.
Claims (13)
1, a kind of air conditioner is characterized in that comprising:
The variable ability compressor that ability is variable;
The indoor heat converter that is used for evaporimeter during refrigerating operaton;
Be used to monitor the outdoor temperature sensor of outdoor temperature; And
Control part being used for limiting the lower limit ability of described compressor when outdoor temperature that refrigerating operaton is monitored is in predetermined setting regions, and is controlled to be more than the lower limit ability that is limited described compressor capacity is variable according to load.
2, air conditioner according to claim 1, the described compressor lower limit ability that it is characterized in that being limited by described control part is for satisfying the not frozen scope of described indoor heat converter.
3, air conditioner according to claim 2, it is characterized in that when using when changing running frequency and control the frequency-changeable compressor of its ability the compressor lower limit ability that is limited is for forming during greater than the minimum operation frequency of described frequency-changeable compressor in running frequency according to described load.
4, air conditioner according to claim 1, it is characterized in that also comprising the indoor fan that carries out air draft for the heat exchange of described indoor heat converter, and in order during described refrigerating operaton, to form the speed of the described control part of normal compression ratio according to the described indoor fan of the variable control of described outdoor temperature.
5, air conditioner according to claim 4 is characterized in that described normal compression ratio is 2～8.
6, air conditioner according to claim 4 is characterized in that comprising two at least when regional when described setting regions, and the relatively low zone of described control part outdoor temperature scope among two zones is set at height with described indoor fan speed.
7, air conditioner according to claim 1, it is characterized in that also comprising the indoor heat converter temperature sensor, to be used to monitor the temperature of described indoor heat converter, when the indoor heat converter temperature of being monitored was first design temperature, described control part was fixed as the lower limit ability that is limited with described compressor capacity and moves.
8, air conditioner according to claim 7, it is characterized in that working as the indoor heat converter temperature of being monitored is when being lower than second design temperature of described first design temperature, described control part described compressor out of service.
9, a kind of air conditioner control method of refrigerating operaton is characterized in that comprising step by changing compressor capacity:
The monitoring outdoor temperature;
Judge that the outdoor temperature monitored is whether in predetermined zone;
In the time of in the outdoor temperature of being monitored is in described setting regions, limit described compressor lower limit ability; Carry out refrigerating operaton more than according to load compressor capacity being changed into the compressor lower limit ability that is limited.
10, air conditioner control method according to claim 9 is characterized in that setting described compressor capacity, so that the described compressor capacity that is limited satisfies the not frozen scope of indoor heat converter.
11, air conditioner control method according to claim 9, the temperature that it is characterized in that monitoring indoor heat converter during the described refrigerating operaton, when the indoor heat converter temperature of being monitored is first design temperature, described compressor capacity is fixed as the compressor lower limit ability that is limited and moves.
12, air conditioner control method according to claim 11 is characterized in that if the indoor heat converter temperature of being monitored is second design temperature that is lower than first design temperature described compressor then out of service.
13, air conditioner control method according to claim 9 is characterized in that the outdoor temperature of being monitored during the described refrigerating operaton is low more, and then described indoor fan speed is set at high more, so that described compressor forms normal compression ratio.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050134267 | 2005-12-29 | ||
| KR10-2005-0134267 | 2005-12-29 | ||
| KR1020050134267A KR101253568B1 (en) | 2005-12-29 | 2005-12-29 | Air-Conditioning Apparatus And Thereof Method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1991264A true CN1991264A (en) | 2007-07-04 |
| CN1991264B CN1991264B (en) | 2010-06-16 |
Family
ID=38213696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100667364A Expired - Fee Related CN1991264B (en) | 2005-12-29 | 2006-04-07 | Air-conditioner and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101253568B1 (en) |
| CN (1) | CN1991264B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572962C (en) * | 2007-09-27 | 2009-12-23 | 宁波奥克斯空调有限公司 | The air-conditioner control method of a kind of energy cryogenic refrigeration |
| CN102434943A (en) * | 2011-11-16 | 2012-05-02 | 海信（山东）空调有限公司 | Method for limiting frequency of air condition compressor |
| CN104566645A (en) * | 2014-12-08 | 2015-04-29 | 广东美的制冷设备有限公司 | Multi-slit air conditioner, air conditioner anti-freezing protection method and air conditioner anti-freezing protection system |
| CN104913451A (en) * | 2015-06-01 | 2015-09-16 | 广东美的制冷设备有限公司 | Control method of air conditioner |
| CN105115117A (en) * | 2015-08-21 | 2015-12-02 | 广东美的暖通设备有限公司 | Air conditioning unit and low temperature refrigerating control method and low temperature refrigerating control device thereof |
| CN105333563A (en) * | 2014-07-29 | 2016-02-17 | 海信（山东）空调有限公司 | Refrigeration control method and device and air conditioner |
| CN105627496A (en) * | 2014-10-29 | 2016-06-01 | 青岛海尔空调器有限总公司 | Low-temperature refrigerating control method of air conditioner and air conditioner |
| CN106524546A (en) * | 2015-09-11 | 2017-03-22 | 松下知识产权经营株式会社 | Refrigeration apparatus |
| CN106705376A (en) * | 2017-01-04 | 2017-05-24 | 青岛海尔空调器有限总公司 | Self-cleaning method of indoor unit of air conditioner |
| CN108224704A (en) * | 2017-12-25 | 2018-06-29 | 青岛海尔空调电子有限公司 | The control method of air-conditioning |
| CN108700323A (en) * | 2016-02-19 | 2018-10-23 | 大金工业株式会社 | Air-conditioning system |
| CN109269020A (en) * | 2018-10-15 | 2019-01-25 | 珠海格力电器股份有限公司 | Air conditioning control method, control device and air-conditioning |
| CN111878960A (en) * | 2020-05-27 | 2020-11-03 | 宁波奥克斯电气股份有限公司 | Control method and device for low-temperature refrigeration operation of air conditioner and air conditioner |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014040969A (en) * | 2012-08-23 | 2014-03-06 | Daikin Ind Ltd | Air conditioner |
| CN105716203B (en) * | 2016-03-03 | 2018-10-19 | 海信（山东）空调有限公司 | Convertible frequency air-conditioner minimum frequency control method |
| US11808466B2 (en) | 2022-01-04 | 2023-11-07 | Haier Us Appliance Solutions, Inc. | Air conditioner with variable speed compressor and variable speed fan |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2822705B2 (en) * | 1991-08-02 | 1998-11-11 | 松下電器産業株式会社 | Defrost control device for heat pump type air conditioner |
| JP2992665B2 (en) * | 1992-08-18 | 1999-12-20 | 株式会社富士通ゼネラル | Control method of air conditioner |
| GB2272080B (en) * | 1992-10-28 | 1996-01-10 | Toshiba Kk | Air conditioning apparatus capable of operating in cooling mode and heating mode |
| KR100539765B1 (en) * | 2004-05-21 | 2006-01-12 | 엘지전자 주식회사 | Unitary air conditioner and his control method |
| KR100539764B1 (en) * | 2004-05-21 | 2006-01-12 | 엘지전자 주식회사 | Unitary air cinditioner and his control method |
| CN1693797A (en) * | 2005-05-26 | 2005-11-09 | 广东科龙电器股份有限公司 | Air conditioner capable of automatically regulating condensation load and its control method |
-
2005
- 2005-12-29 KR KR1020050134267A patent/KR101253568B1/en active IP Right Grant
-
2006
- 2006-04-07 CN CN2006100667364A patent/CN1991264B/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572962C (en) * | 2007-09-27 | 2009-12-23 | 宁波奥克斯空调有限公司 | The air-conditioner control method of a kind of energy cryogenic refrigeration |
| CN102434943A (en) * | 2011-11-16 | 2012-05-02 | 海信（山东）空调有限公司 | Method for limiting frequency of air condition compressor |
| CN105333563B (en) * | 2014-07-29 | 2018-02-16 | 海信（山东）空调有限公司 | A kind of refrigeration control method, device and air conditioner |
| CN105333563A (en) * | 2014-07-29 | 2016-02-17 | 海信（山东）空调有限公司 | Refrigeration control method and device and air conditioner |
| CN105627496A (en) * | 2014-10-29 | 2016-06-01 | 青岛海尔空调器有限总公司 | Low-temperature refrigerating control method of air conditioner and air conditioner |
| CN104566645A (en) * | 2014-12-08 | 2015-04-29 | 广东美的制冷设备有限公司 | Multi-slit air conditioner, air conditioner anti-freezing protection method and air conditioner anti-freezing protection system |
| CN104913451A (en) * | 2015-06-01 | 2015-09-16 | 广东美的制冷设备有限公司 | Control method of air conditioner |
| CN105115117A (en) * | 2015-08-21 | 2015-12-02 | 广东美的暖通设备有限公司 | Air conditioning unit and low temperature refrigerating control method and low temperature refrigerating control device thereof |
| CN105115117B (en) * | 2015-08-21 | 2017-12-08 | 广东美的暖通设备有限公司 | Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device |
| CN106524546A (en) * | 2015-09-11 | 2017-03-22 | 松下知识产权经营株式会社 | Refrigeration apparatus |
| CN108700323A (en) * | 2016-02-19 | 2018-10-23 | 大金工业株式会社 | Air-conditioning system |
| CN108700323B (en) * | 2016-02-19 | 2020-10-09 | 大金工业株式会社 | Air conditioning system |
| CN106705376A (en) * | 2017-01-04 | 2017-05-24 | 青岛海尔空调器有限总公司 | Self-cleaning method of indoor unit of air conditioner |
| CN106705376B (en) * | 2017-01-04 | 2020-02-04 | 青岛海尔空调器有限总公司 | Self-cleaning method for indoor unit of air conditioner |
| CN108224704A (en) * | 2017-12-25 | 2018-06-29 | 青岛海尔空调电子有限公司 | The control method of air-conditioning |
| WO2019128397A1 (en) * | 2017-12-25 | 2019-07-04 | 青岛海尔空调电子有限公司 | Control method for air conditioner |
| CN109269020A (en) * | 2018-10-15 | 2019-01-25 | 珠海格力电器股份有限公司 | Air conditioning control method, control device and air-conditioning |
| CN111878960A (en) * | 2020-05-27 | 2020-11-03 | 宁波奥克斯电气股份有限公司 | Control method and device for low-temperature refrigeration operation of air conditioner and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1991264B (en) | 2010-06-16 |
| KR20070071091A (en) | 2007-07-04 |
| KR101253568B1 (en) | 2013-04-11 |
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