CN1517628A - Air conditioner and control method of air conditioner - Google Patents
Air conditioner and control method of air conditioner Download PDFInfo
- Publication number
- CN1517628A CN1517628A CNA2004100013775A CN200410001377A CN1517628A CN 1517628 A CN1517628 A CN 1517628A CN A2004100013775 A CNA2004100013775 A CN A2004100013775A CN 200410001377 A CN200410001377 A CN 200410001377A CN 1517628 A CN1517628 A CN 1517628A
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- operating frequency
- rotating speed
- indoor fan
- fan
- indoor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
- A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
- A01D34/6806—Driving mechanisms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/001—Accessories not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/90—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator
- A01D34/902—Ergonomic provisions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
To prevent dew condensation even in an air conditioner not having a refrigerant circuit of a capillary tube not having an electric expansion valve nor a humidity sensor. An indoor control part 20 automatically controls a rotating frequency of an indoor fan through an indoor fan motor 17M. In parallel therewith, an outdoor control part 19 determines the operating frequency within a setting range of the operating frequency having an upper limit of the operating frequency of a compressor to prevent dew condensation every range of rotating frequency of the indoor fan 17.
Description
Technical field
The present invention relates to the method for controlling of operation of aircondition, particularly prevent the time technology of dewfall on the exhaust outlet of indoor supply cooling air the cooling operation of indoor refrigeration.
Background technology
When the cooling operation of aircondition, at the high state of indoor humidity, or under the low excessively state of air themperature in the supply chamber, have to produce and reveal and, or produce problem such as white mist at the indoor dew that drips at the exhaust outlet periphery.
In order to address the above problem, in patent documentation 1, following technology is disclosed: delivery temperature, suction temperature, coil (coil) temperature during according to compressor operation, the correction target delivery temperature, degree of drying according to the heat exchanger of indoor set is controlled electric expansion valve, thereby prevents the dewfall that the heat exchanger drying causes.
In patent documentation 2, following technology is disclosed: by detecting air output, room temperature, outdoor temperature and the humidity of air-supply arrangement, and compare with each self-corresponding setting value, according to the transport maximum frequency that comparative result comes the limit compression machine, discharge the dewfall that causes thereby suppress cold wind.
[patent documentation 1]
(Japan) spy opens the 2000-292013 communique
[patent documentation 2]
The spy opens the 2001-65952 communique
But there is the problem that only can be applied in the aircondition that has carried electric expansion valve in the technology of patent documentation 1 record.
And the Technology Need humidity sensor of patent documentation 2 records has the danger that can not carry out correct control when the sensor circuit fault.
Summary of the invention
Therefore, the object of the invention is, provides a kind of at the refrigerant loop capillaceous that does not have electric expansion valve with do not have in the aircondition of humidity sensor, can prevent the control method of the aircondition and the aircondition of dewfall.
In order to solve above-mentioned problem, aircondition of the present invention comprises indoor fan, indoor heat converter and compressor, and it also comprises: the rotating speed control part, carry out the automatic control of the rotating speed of described indoor fan; And the operating frequency configuration part, by the range of speeds of each described indoor fan, in the operating frequency setting range of the operating frequency upper limit of the described compressor of having determined to be used to prevent dewfall, set described operating frequency.
According to said structure, the rotating speed control part carries out the automatic control of the rotating speed of indoor fan.
Simultaneously, the operating frequency configuration part is by the range of speeds of each indoor fan, sets operating frequency in the operating frequency setting range of the operating frequency upper limit of the described compressor of having determined to be used to prevent dewfall.
In this case, described operating frequency can be set as the frequency that does not have the operating frequency upper limit from the running beginning and through before the stipulated time in described operating frequency configuration part.
In addition, described operating frequency configuration part can be at the rotating speed of described indoor fan when the low territory reference rotation speed of regulation be following, through forming the rotating speed affiliated described indoor fan range of speeds corresponding operating frequency following with low territory reference rotation speed after the stipulated time.
In addition, the invention provides a kind of control method that comprises the aircondition of indoor fan, indoor heat converter and compressor, it is characterized in that this method comprises: the rotating speed control procedure, carry out the automatic control of described indoor fan; And the operating frequency assignment procedure, by the range of speeds of each described indoor fan, in the operating frequency setting range of the operating frequency upper limit of the described compressor of having determined to be used to prevent dewfall, set described operating frequency.
In this case, described operating frequency assignment procedure can be set described operating frequency as the frequency that does not have the operating frequency upper limit from the running beginning and through before the stipulated time.
In addition, described operating frequency assignment procedure also can be at the rotating speed of described indoor fan when the low territory reference rotation speed of regulation be following, through forming the rotating speed affiliated described indoor fan range of speeds corresponding operating frequency following with low territory reference rotation speed after the stipulated time.
Description of drawings
Fig. 1 is the refrigerant loop figure of aircondition.
Fig. 2 be the rotating speed of indoor fan under the wind speed automatic mode and compressor operating frequency concern key diagram.
Process chart when Fig. 3 is the refrigeration of wind speed automatic mode of embodiment.
The specific embodiment
Below, embodiments of the present invention are described with reference to the accompanying drawings.
Fig. 1 is the refrigerant loop figure of aircondition.
The summary action of aircondition at first is described.
According to said structure, the compressor 11 of aircondition 10, cross valve 12, outdoor heat converter 13, electric expansion valve 14 and indoor heat converter 15 are connected by refrigerant piping 16, constitute so-called freeze cycle.
And, by cross valve 12 under the control of outdoor control part 19, when when cooling operation, (comprising dry operating and when running defrosting) and heating running, by the switching refrigerant flow path, in outdoor heat converter 13 and indoor heat converter 15, carry out heat exchange, thereby freeze or heat.
At this moment, under the control of outdoor control part 19, promote the heat exchange of outdoor heat converters 13 by the outdoor fan 18 of outdoor fan motor 18M driving.
On the other hand, under the control of indoor control part 20, promote the heat exchange of indoor heat converters 15 by the indoor fan 17 of indoor fan motor 17M driving.In this case, the control model of the rotary speed of indoor fan 17 (being equivalent to wind speed), the artificial setting pattern that has the user to indicate with manual mode, and the auto-set mode automatically set according to predetermined conditions (indoor temperature etc.) of indoor control part 20 (below, be called the wind speed automatic mode).
The dewfall that prevents that the following describes the indoor pusher side of aircondition is controlled.
Fig. 2 be the rotating speed of indoor fan under the wind speed automatic mode and compressor operating frequency concern key diagram.Have, in Fig. 2, the oblique line of representing with solid line is represented to consider for the safety coefficient that prevents dewfall the situation that the control characteristic under the corresponding one by one control situation of operating frequency of the rotating speed of indoor fan and compressor is represented with the first approximation straight line again.
In the present embodiment, in the wind speed automatic mode, when the rotating speed control of carrying out indoor fan 17, press each range of speeds of indoor fan 17, in this range of speeds, near the condition that does not produce dewfall the exhaust outlet of indoor set is divided into the highest operating frequency Fmax that has made to order to the operating frequency upper limit of compressor 11.
Below, specifically describe.
The rotating speed R of indoor fan 17 is the following definite maximum speed RMAX of benchmark with the highest standard rotating speed FAN_H of this indoor fan 17 (under state of a control can not with the rotating speed than its big rotating speed action) in the wind speed automatic mode.
RMAX＝FAN_AT_H(rpm)
In addition, minimum speed RMIN is set to such an extent that equate with the minimum standard rotating speed FAN_AT_L (rotating speed that under state of a control, can not move) of this indoor fan 17 with the rotating speed that is lower than it.
RMIN＝FAN_AT_L
On the other hand, in the scope of each rotating speed R of the indoor fan 17 of following explanation, in the present embodiment, the highest operating frequency Fmax of compressor is used low territory Ji Zhunzhuansu ﹠amp; FAN-L and middle territory Ji Zhunzhuansu ﹠amp; FAN-M is defined as three grades.Here, consider usability etc. and suitably determine low territory Ji Zhunzhuansu ﹠amp; FAN-L and middle territory Ji Zhunzhuansu ﹠amp; FAN-M.
(a) scope of rotating speed R is R ≤ ﹠amp; The situation of FAN-L
(b) scope of rotating speed R scope ﹠amp; FAN-L＜R ≤ ﹠amp; The situation of FAN-M
(c) scope of rotating speed R scope ﹠amp; The situation of FAN-M＜R
Scope by each rotating speed R specifies below.
(a) scope of rotating speed R is R ≤ ﹠amp; The situation of FAN-L
In this situation, the highest operating frequency when indoor fan 17 rotating speeds are minimum specification rotating speed FAN_AT_L is F_AT_L, the rotating speed of indoor fan 17 is maximum speed RMAX, be that the rotating speed of the indoor fan 17 minimum operating frequency when being FAN_AT_H is under the situation of F_AT_H, the highest operating frequency F_LIMIT_L is represented by formula shown below (1).
F_LIMIT_L＝[(&FAN-L-FAN_AT_L)/(FAN_AT_H-FAN_AT_L)]
×(F_AT_H-F_AT_L)+F_AT_L+α ...(1)
Here, α＞0, the value of this α is that the scope at the rotating speed R of indoor fan 17 is
R ≤ ﹠amp; Near the value that does not produce dewfall exhaust outlet is obtained in experiment under the FAN-L situation.
(b) scope of rotating speed R scope ﹠amp; FAN-L＜R ≤ ﹠amp; The situation of FAN-M
In this situation, the highest operating frequency when indoor fan 17 rotating speeds are minimum specification rotating speed FAN_AT_L is F_AT_L, the rotating speed of indoor fan 17 is maximum speed RMAX, be that the rotating speed of indoor fan 17 operating frequency when being FAN_AT_H is under the situation of F_AT_H, the highest operating frequency F_LIMIT_M is represented by formula shown below (2).
F_LIMIT_M＝[(&FAN-M-FAN_AT_L)/(FAN_AT_H-FAN_AT_L)]
×(F_AT_H-F_AT_L)+F_AT_L+α ...(2)
Here, α＞0, the value of this α is that the scope at the rotating speed R of indoor fan 17 is
﹠amp; FAN-L＜R ≤ ﹠amp; Near the value that does not produce dewfall exhaust outlet is obtained in experiment under the FAN-M situation.
(c) scope of rotating speed R scope ﹠amp; The situation of FAN-M＜R
In this situation, are maximum speed RMAX at indoor fan 17 rotating speeds, are that the rotating speed of the indoor fan 17 minimum operating frequency when being FAN_AT_H is under the situation of F_AT_H that the highest operating frequency F_LIMIT_H is represented by formula shown below (3).
F_LIMIT_H＝F_AT_H+β ...(3)
Here, | β |＞0, the value of this β is that the scope at the rotating speed R of indoor fan 17 is
﹠amp; Near the value that does not produce dewfall exhaust outlet is obtained in experiment under FAN-M＜R≤FAN_AT_H situation.The value that also comprises β for the reason of negative situation is, considers that rotating speed at indoor fan 17 has the situation of the upper limit.
These results as shown in Figure 2, the rotating speed R of indoor fan 17 exists
In the scope of R≤FAN_AT_H, according to the value scope of rotating speed R, with the highest operating frequency with
F_LIMIT_L → F_LIMIT_M → F_LIMIT_H switches successively.
Therefore, the rotating speed R by indoor fan 17 does not come the too operating frequency of limit compression machine 11, and the free degree that operating state is set increases, and can need carry out comfortable running according to the user.
In the above explanation, only the rotating speed R by indoor fan 17 has illustrated the relation with the operating frequency of compressor, but in fact, need consider to wait from the elapsed time that running begins and control.
Below, actual control processing is described.
Process chart when Fig. 3 is the refrigeration of wind speed automatic mode of embodiment.
At first, begin the indication operation at the cooling operation according to user's wind speed automatic mode, when remote controller 22,22 pairs of remote controllers of remote controller are received illuminating part 21 and are transmitted the control optical signals.
Thus, remote controller receipts illuminating part 21 will be used to indicate the control data of the beginning running corresponding with the control optical signal that receives to output to indoor control part 20.
Thus, the outdoor control part 19 of instruction notification that indoor control part 20 will turn round and begin, as the highest operating frequency Fmax=MAX (allowing the highest operating frequency), the dynamo-electric machine 11M of outdoor control part 19 drive compression makes compressor 11 runnings (step S1).
At this moment, indoor control part 20 is by being measured the indoor temperature of carrying out air-conditioning etc., the rotating speed R of control room internal fan 17 automatically by not shown indoor temperature transmitter.
Then, whether indoor control part 20 differentiates the rotating speed R of indoor fan 17 greater than low territory Ji Zhunzhuansu ﹠amp; FAN-L (step S2).
In the differentiation of step S2, at the rotating speed R of indoor fan 17 greater than low territory Ji Zhunzhuansu ﹠amp; During FAN-L (being "Yes" among the step S2), indoor control part 20 differentiations begin to have passed through whether 1 hour (step S3) from running.Here, differentiate the reason of whether passing through 1 hour and be from the running beginning, if under the state of transport maximum frequency Fmax=MAX through 1 hour, if the suitable aircondition 10 that is provided with, the indoor temperature of then carrying out air-conditioning should fully descend.
In the differentiation of step S3, begin from running under, (be "No" the step S3) also not through 1 hour situation, will handle and transfer to step S2 once more, become holding state in fact.
In the differentiation of step S3, passed through 1 hour situation from running beginning under (being "Yes" the step S3), whether indoor control part 20 differentiates the rotating speed R of indoor fans 17 greater than middle territory reference rotation speed; FAN-M (step S4).
In the differentiation of step S4, at the rotating speed R of indoor fan 17 greater than middle territory Ji Zhunzhuansu ﹠amp; Under the situation of FAN-M (being "Yes" among the step S4), indoor control part 20 makes the dynamo-electric machine 11M of outdoor control part 19 drive compression with the highest operating frequency Famx=F_LIMIT_H, continues the running (step S5) of compressor 11.Then processing is transferred to step S9.
In the differentiation of step S4, at the rotating speed R of indoor fan 17 at middle territory Ji Zhunzhuansu ﹠amp; Under the situation below the FAN-M (being "No" among the step S4), indoor control part 20 makes the dynamo-electric machine 11M of outdoor control part 19 drive compression with the highest operating frequency Famx=F_LIMIT_M, continues the running (step S6) of compressor 11.Then processing is transferred to step S9.
On the other hand, in the differentiation of step S2, at the rotating speed R of indoor fan 17 at low territory Ji Zhunzhuansu ﹠amp; Under the situation below the FAN-L (being "No" among the step S2), the rotating speed R that indoor control part 20 is differentiated indoor fans 17 reaches low territory Ji Zhunzhuansu ﹠amp; Whether passed through behind the FAN-L 5 minutes (step S7).Here, the rotating speed R of differentiation indoor fan 17 reaches low territory Ji Zhunzhuansu ﹠amp; The reason of whether passing through 5 minutes behind the FAN-L is, if the rotating speed R of indoor fan 17 is at low territory reference rotation speed; Through 5 minutes,, near the danger that produces dewfall the exhaust outlet of indoor set is arranged then under the state of FAN-L if the operating frequency of compressor 11 does not descend.
In the differentiation of step S5, become low territory Ji Zhunzhuansu ﹠amp at the rotating speed R of indoor fan 17; Also not through (being "No" among the step S5) under 5 minutes the situation, will handling and transfer to step S2 once more behind the FAN-L state, become holding state in fact.
In the differentiation of step S5, become low territory Ji Zhunzhuansu ﹠amp at the rotating speed R of indoor fan 17; Through (being "Yes" among the step S5) under 5 minutes the situation, indoor control part 20 makes the dynamo-electric machine 11M of outdoor control part 19 drive compression with the highest operating frequency Famx=F_LIMIT_L, continues the running (step S6) of compressor 11 behind the FAN-L state.Then processing is transferred to step S9.
Then, indoor control part 20 is received illuminating part 21 by remote controller 22 and remote controller, differentiates the user and whether has carried out the indication operation (step S9) that the wind speed automatic mode is removed.
In the differentiation of step S9, also do not carry out will handling and transferring to step S2 once more under the situation of the indication operation that the wind speed automatic mode removes (being "No" among the step S9) the user, continue the operating frequency of the compressor of wind speed automatic mode and control.
In the differentiation of step S9, carried out will handling and transferring to step S1 once more under the situation of the indication operation that the wind speed automatic mode removes (being "Yes" among the step S9) the user, continue the processing corresponding with the operation of remote controller 22.
As described above, according to present embodiment, according to the rotating speed of indoor fan, although be provided with the restriction (upper limit of operating frequency) of high operating frequency of compressor, the operating frequency of compressor can excessively not be subjected to the restriction of indoor fan rotating speed.
According to the present invention, with the rotating speed of the indoor fan of rotating speed control part automatically in the control, the operating frequency configuration part is by the range of speeds of each indoor fan, in the operating frequency setting range of the operating frequency upper limit of the compressor of having determined to be used to prevent dewfall, set operating frequency, though so according to the rotating speed of indoor fan, be provided with the upper limit of the operating frequency of compressor, but the operating frequency of compressor too is not subjected to the restriction of indoor fan rotating speed outside needing scope.
Claims (6)
1. an aircondition comprises indoor fan, indoor heat converter and compressor, it is characterized in that, also comprises:
The rotating speed control part carries out the automatic control of the rotating speed of described indoor fan; And
Described operating frequency by the range of speeds of each described indoor fan, is set in the operating frequency configuration part in the operating frequency setting range of the operating frequency upper limit of the described compressor of having determined to be used to prevent dewfall.
2. aircondition as claimed in claim 1 is characterized in that, described operating frequency configuration part is beginning to set described operating frequency to through before the stipulated time as the frequency that does not have the operating frequency upper limit from running.
3. as claim 1 or the described aircondition of claim 2, it is characterized in that, described operating frequency configuration part at the rotating speed of described indoor fan when the low territory reference rotation speed of regulation is following, through forming the rotating speed affiliated described indoor fan range of speeds corresponding operating frequency following after the stipulated time with low territory reference rotation speed.
4. the control method of an aircondition, this aircondition comprises indoor fan, indoor heat converter and compressor, it is characterized in that, this method comprises:
The rotating speed control procedure is carried out the automatic control of described indoor fan; And
The operating frequency assignment procedure by the range of speeds of each described indoor fan, is set described operating frequency in the operating frequency setting range of the operating frequency upper limit of the described compressor of having determined to be used to prevent dewfall.
5. the control method of aircondition as claimed in claim 4 is characterized in that, described operating frequency assignment procedure is set described operating frequency from the running beginning and through before the stipulated time as the frequency that does not have the operating frequency upper limit.
6. as the control method of claim 4 or 5 described airconditions, it is characterized in that, described operating frequency assignment procedure at the rotating speed of described indoor fan when the low territory reference rotation speed of regulation is following, through forming the rotating speed affiliated described indoor fan range of speeds corresponding operating frequency following after the stipulated time with low territory reference rotation speed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP011767/2003 | 2003-01-21 | ||
| JP2003011767A JP2004225948A (en) | 2003-01-21 | 2003-01-21 | Air conditioner and control method of air conditioner |
| JP011767/03 | 2003-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1517628A true CN1517628A (en) | 2004-08-04 |
| CN100386576C CN100386576C (en) | 2008-05-07 |
Family
ID=32900570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100013775A Expired - Fee Related CN100386576C (en) | 2003-01-21 | 2004-01-07 | Air conditioner and control method of air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004225948A (en) |
| KR (1) | KR100545957B1 (en) |
| CN (1) | CN100386576C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453616A (en) * | 2012-06-04 | 2013-12-18 | 珠海格力电器股份有限公司 | Method and device for preventing air conditioner from condensing |
| CN104364590A (en) * | 2012-07-24 | 2015-02-18 | 三菱电机株式会社 | Air-conditioning device |
| CN105683672A (en) * | 2013-10-29 | 2016-06-15 | 大金工业株式会社 | Air conditioning device |
| CN106196455A (en) * | 2016-07-15 | 2016-12-07 | 珠海格力电器股份有限公司 | Motor control method and system and air-conditioner |
| CN104142007B (en) * | 2013-05-09 | 2017-04-12 | 三菱电机株式会社 | An air conditioner |
| CN108917094A (en) * | 2018-07-18 | 2018-11-30 | 奥克斯空调股份有限公司 | A kind of defrosting control method, device and air conditioner |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4698558B2 (en) * | 2006-11-24 | 2011-06-08 | 三菱電機株式会社 | Air conditioner |
| JP5631012B2 (en) * | 2010-01-27 | 2014-11-26 | 三菱重工業株式会社 | Air conditioner and control method of air conditioner |
| CN104236010B (en) * | 2013-06-20 | 2017-02-22 | 广东美的集团芜湖制冷设备有限公司 | Control method of air conditioner |
| ITUB20151933A1 (en) * | 2015-07-07 | 2017-01-07 | Emerson Network Power Srl | METHOD OF OPTIMIZATION OF THE DEHUMIDIFICATION FUNCTION FOR AIR-CONDITIONING UNITS FOR SERVER AND SIMILAR SALES AND A CLIMATE UNIT PERFORMED FOR THE APPLICATION OF THIS METHOD |
| CN106839263B (en) * | 2016-12-20 | 2019-11-26 | 青岛海尔空调器有限总公司 | Air-conditioning and its control method |
| CN112944642B (en) * | 2021-01-29 | 2022-08-19 | 青岛海尔空调器有限总公司 | Method and device for condensation prevention control and air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0519696Y2 (en) * | 1987-09-14 | 1993-05-24 | ||
| JP2933384B2 (en) * | 1990-11-29 | 1999-08-09 | 松下電器産業株式会社 | Air conditioner |
| JPH11304227A (en) * | 1998-04-17 | 1999-11-05 | Hitachi Ltd | Control method for air conditioner |
| JP2000292013A (en) * | 1999-02-03 | 2000-10-20 | Sanyo Electric Co Ltd | Air-conditioner |
-
2003
- 2003-01-21 JP JP2003011767A patent/JP2004225948A/en active Pending
-
2004
- 2004-01-07 CN CNB2004100013775A patent/CN100386576C/en not_active Expired - Fee Related
- 2004-01-20 KR KR1020040004047A patent/KR100545957B1/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453616A (en) * | 2012-06-04 | 2013-12-18 | 珠海格力电器股份有限公司 | Method and device for preventing air conditioner from condensing |
| CN103453616B (en) * | 2012-06-04 | 2016-03-30 | 珠海格力电器股份有限公司 | Prevent control method and the device of air-conditioning condensation |
| CN104364590A (en) * | 2012-07-24 | 2015-02-18 | 三菱电机株式会社 | Air-conditioning device |
| CN104364590B (en) * | 2012-07-24 | 2016-08-17 | 三菱电机株式会社 | Conditioner |
| CN104142007B (en) * | 2013-05-09 | 2017-04-12 | 三菱电机株式会社 | An air conditioner |
| CN105683672A (en) * | 2013-10-29 | 2016-06-15 | 大金工业株式会社 | Air conditioning device |
| CN105683672B (en) * | 2013-10-29 | 2017-05-03 | 大金工业株式会社 | Air conditioning device |
| CN106196455A (en) * | 2016-07-15 | 2016-12-07 | 珠海格力电器股份有限公司 | Motor control method and system and air-conditioner |
| CN108917094A (en) * | 2018-07-18 | 2018-11-30 | 奥克斯空调股份有限公司 | A kind of defrosting control method, device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100545957B1 (en) | 2006-01-26 |
| JP2004225948A (en) | 2004-08-12 |
| CN100386576C (en) | 2008-05-07 |
| KR20040067980A (en) | 2004-07-30 |
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