CN1193194C - Air conditioner capable of controlling according to room temperature - Google Patents
Air conditioner capable of controlling according to room temperature Download PDFInfo
- Publication number
- CN1193194C CN1193194C CNB021226881A CN02122688A CN1193194C CN 1193194 C CN1193194 C CN 1193194C CN B021226881 A CNB021226881 A CN B021226881A CN 02122688 A CN02122688 A CN 02122688A CN 1193194 C CN1193194 C CN 1193194C
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- CN
- China
- Prior art keywords
- mentioned
- temperature
- indoor
- air conditioner
- radiation temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- 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
Abstract
A controllable air conditioner and a control method thereof are provided to detect the radiant temperature in the room. radiation temperature sensor is attached to a vertical moving vane or a horizontal moving vane of a wall mounted air conditioner or a floor mounted air conditioner to be provided indoors for air conditioning, and the radiation temperature is measured in, at least, two or more parts of indoors by using the radiation temperature sensor. A real indoor comfortable temperature, not the indoor temperature, is computed on the basis of the radiation temperature value, and a discharge quantity of the air conditioner is controlled on the basis of the computed indoor comfortable temperature to operate the air conditioner installed in a specific space on the basis of the temperature of the whole of the indoors, not a limited space. With this structure, indoor temperature is uniformly held, and amenity of a user is improved.
Description
Technical field
The present invention relates to according to controllable air conditioner of indoor radiation temperature and method of operating thereof, particularly relate to the indoor comfort index that the user is felt by following manner control high according to controllable air conditioner of radiation temperature and method of operating thereof: with Temperature Detector attached on the air conditioner, the radiation temperature that at least two positions in the measuring cell are above, radiation temperature according to said determination calculates indoor comfort temperature, according to the discharge rate of this comfort temperature control air conditioner.
Background technology
Recently be adjusted to the installation hurried increase of purpose air conditioner in the space in big dining room and classroom etc. with room air.Within the family also because of a wall-hanging or cabinet type air conditioner is set between residential houses, also often attempt to regulate between residential houses and the air in whole space in also can conditioning chamber.
When air conditioner as described above being saved with the enterprising line space controlled atmosphere of the certain position that is installed in big space, existence can not make the even such problem of the air conditioning in this space.
For example be installed under the situation of room air conditioner in order to make indoor refrigeration, as shown in Figure 1, utilization is measured indoor temperature (S1) attached to the thermometer on the air conditioner, the predefined fiducial temperature of more above-mentioned indoor temperature and user (S2), when above-mentioned indoor temperature is lower than fiducial temperature, make discharge rate reduce (S3), when indoor temperature is higher than fiducial temperature, make discharge rate increase (S4).
When the space that air conditioner 1 is installed as shown in Figure 2 very big, because can only measure the space a temperature adjoining with above-mentioned air conditioner, regulate the discharge rate of machine 1 and discharge direction etc. according to the temperature controlled air of this interior space, so there is problem with the air conditioning degree variation that relative place b, the c far away in place is set of air conditioner.
In addition, when only controlling indoor temperature by the indoor temperature of measuring space specified, indoor temperature changes as the curve of Fig. 3.That is to say, owing to only regulate its discharge rate according to the simple indoor temperature of measuring of air conditioner, and indoor temperature descends more, feels the problem colder than comfort conditions along with the process of time thereby exist room air to regulate the machine user.
Summary of the invention
The present invention proposes in view of the above problems, its purpose is to provide according to controllable air conditioner of indoor radiation temperature and method of operating thereof, adhere to the radiation temperature detector on the described air conditioner that room air is regulated, radiation temperature according to indoor a plurality of spaces of being measured by this radiation temperature detector calculates indoor comfort temperature, by the discharge rate of regulating air conditioner, make indoor comfort temperature index keep certain according to this comfort temperature.
Comprise according to the controllable air conditioner of indoor radiation temperature according to solving the of the present invention of above-mentioned problem: in the housing of heat exchanger and pressure fan is housed, be combined in the front panel that also sucks and discharge room air on the above-mentioned housing, attached on the side of above-mentioned front panel and measure the radiation temperature detector of the radiation temperature of above-mentioned indoor two positions at least, with calculate indoor comfort degree according to the indoor radiation temperature that is detected by above-mentioned radiation temperature detector and control the microcomputer of the discharge rate of above-mentioned air conditioner according to this comfort level, above-mentioned radiation temperature detector is constituting attached to the mode along with the radiation temperature in a plurality of spaces in the driving measuring cell of above-mentioned air conditioner on the shutter board of blade that moves up and down on the front panel that is installed in above-mentioned air conditioner or move left and right.
Comprise according to the controllable air conditioner of indoor radiation temperature according to the another kind of the present invention that can solve above-mentioned problem: it comprises: in the housing of heat exchanger and pressure fan is housed, be combined in the front panel that also sucks and discharge room air on the above-mentioned housing, attached on the side of above-mentioned front panel and measure the radiation temperature detector of the radiation temperature of above-mentioned indoor two positions at least, with calculate indoor comfort degree according to the indoor radiation temperature that is detected by above-mentioned radiation temperature detector and control the microcomputer of the discharge rate of above-mentioned air conditioner according to this comfort level, above-mentioned microcomputer constitutes in the mode that can finish following operation: the radiation temperature according to indoor a plurality of spaces of measuring by above-mentioned radiation temperature detector calculates indoor comfort temperature, compare aforementioned calculation indoor comfort temperature that goes out and the fiducial temperature that is set in the above-mentioned room air adjusting machine, so that the adjusting discharge rate, above-mentioned microcomputer calculates indoor comfort temperature according to following formula:
In the formula:
N utilizes above-mentioned radiation temperature detector can measure the number of the interior space of radiation temperature, and radiation temperature (i) is an i radiation temperature utilizing above-mentioned radiation temperature detector to measure.
Control method by air conditioner of the present invention comprises: the first step of measuring the radiation temperature of above-mentioned indoor two above positions in the driving that is arranged on indoor air conditioner for the adjusting room air at least; Calculate second step of above-mentioned indoor comfort temperature according to the radiation temperature of above-mentioned first step mensuration; With according to the indoor comfort temperature that in above-mentioned second step, calculates be set in the third step that fiducial temperature in the above-mentioned air conditioner is controlled the discharge rate of above-mentioned air conditioner, it is characterized in that, comprising: above-mentioned first step comprises: the process that moves along with above-mentioned blade or shutter board attached to the radiation temperature detector on the shutter board that moves up and down blade or move left and right of above-mentioned air conditioner; Measure the process of the radiation temperature in above-mentioned indoor a plurality of spaces with said temperature detector in above-mentioned moving process.
Control method by another kind of air conditioner of the present invention comprises: the first step of measuring the radiation temperature of above-mentioned indoor two above positions in the driving that is arranged on indoor air conditioner for the adjusting room air at least; Calculate second step of above-mentioned indoor comfort temperature according to the radiation temperature of above-mentioned first step mensuration; With according to the indoor comfort temperature that in above-mentioned second step, calculates be set in the third step that fiducial temperature in the above-mentioned air conditioner is controlled the discharge rate of above-mentioned air conditioner, it is characterized in that, comprise: before above-mentioned second step, also comprise the step of measuring above-mentioned indoor temperature, in above-mentioned second step, calculate indoor comfort temperature according to following formula:
In the formula:
N is the number that utilizes the interior space of the radiation temperature that above-mentioned radiation temperature detector can measure, and radiation temperature (i) is an i radiation temperature utilizing above-mentioned radiation temperature detector to measure.
Description of drawings
Fig. 1 is the figure of expression air conditioner method of operating of the prior art.
Fig. 2 is the figure that indoor temperature that expression is provided with the air conditioner of prior art is measured state.
Fig. 3 is the curve of the indoor temperature change generated in case of expression prior art air conditioning machine operation.
Fig. 4 is the figure of first embodiment of expression air conditioner of the present invention.
Fig. 5 is the figure of second embodiment of expression air conditioner of the present invention.
Fig. 6 is the figure that expression is provided with the indoor temperature mensuration state of air conditioner of the present invention.
Fig. 7 is the block diagram that the inside of expression air conditioner of the present invention constitutes.
Fig. 8 is the block diagram of flow process of the control method of expression air conditioner of the present invention.
Fig. 9 is the curve of indoor temperature change generated in case of the operation of expression air conditioner of the present invention.
The specific embodiment
Describe the preferred embodiments of the present invention with reference to the accompanying drawings in detail.
Be arranged on the air conditioner of the invention in certain indoor space in order to regulate air, be equipped with in comprising heat exchanger and pressure fan housing, be combined on the above-mentioned housing and suck and discharge room air front panel, attached on the side of above-mentioned front panel and measure at least above-mentioned indoor two positions radiation temperature the radiation temperature detector and calculate indoor comfort degree and control the microcomputer of the discharge rate of above-mentioned air conditioner according to this comfort level according to the indoor radiation temperature that is detected by above-mentioned radiation temperature detector.
Air conditioner of the present invention can be wall-hanging or cabinet type air conditioner especially, and at this moment above-mentioned radiation temperature detector S regulates moving up and down blade 12 or be installed on the shutter board 22 of the move left and right on the front panel 21 of the such cabinet type air conditioner 20 of Fig. 5 on the front panel 11 of machine 10 attached to being installed in the such wall hanging type air of Fig. 4.Therefore, said temperature detector S can move the radiation temperature of measuring above-mentioned a plurality of spaces by the driving along with the louvre blade 22 of above-mentioned blade that moves up and down 12 or move left and right.
Fig. 6 is the figure that is measured indoor temperature when being illustrated in the air conditioner 30 inhabitation room configuration that are attached with the radiation temperature detector on the louvre blade of the blade that moves up and down or move left and right by the radiation temperature detector.That is to say, drive the radiation temperature that the limit is measured a plurality of space a between above-mentioned residential houses, b, c, d, e, f, g pivotally under the mode along with air conditioner on louvre blade limit attached to the radiation temperature detector on the shutter board of the move left and right of above-mentioned air conditioner with above-mentioned move left and right, because the microcomputer of above-mentioned air conditioner is controlled discharge rate according to the radiation temperature of measuring in these a plurality of spaces, so the indoor temperature that air conditioner of the present invention is disposed keeps evenly.
Fig. 7 is the block diagram that expression resembles the formation of the air conditioner of the present invention 30 of measuring a plurality of space radiation temperature above-mentioned.As shown in Figure 7, air conditioner 30 of the present invention comprises: measure the indoor temperature of space specified indoor temperature detector 31, measure the radiation temperature detector 32 of the radiation temperature in a plurality of spaces, microcomputer 33 that the value measured according to above-mentioned indoor temperature detector 31 and radiation temperature detector 32 calculates comfort temperature, make the blade that moves up and down of above-mentioned air conditioner or the shutter board drive electric motor M of move left and right according to the control signal of above-mentioned microcomputer 33.
At this, the microcomputer of above-mentioned air conditioner 33 calculates indoor comfort temperature according to the radiation temperature of measuring in above-mentioned a plurality of spaces, relatively the fiducial temperature set in air conditioner in advance of this temperature that calculates and user and control air conditioner.
Be under the situation of air regulator for example at above-mentioned air conditioner, when the indoor comfort temperature that goes out in aforementioned calculation is lower than the fiducial temperature of above-mentioned setting, the microcomputer 33 of above-mentioned air conditioner reduces the discharge rate of above-mentioned air conditioner, control simultaneously makes the shutter board drive electric motor M of move left and right, is not delivered to the place of measuring low relatively radiation temperature so that discharge wind.
In addition, when the indoor comfort temperature that goes out when aforementioned calculation is higher than the fiducial temperature of above-mentioned setting, the microcomputer 33 of above-mentioned air conditioner increases the discharge rate of above-mentioned air conditioner, control simultaneously makes the shutter board drive electric motor M of move left and right, delivers to the place of measuring high relatively radiation temperature so that discharge hearsay.
At this, above-mentioned microcomputer 33 is to be N in a plurality of space radiation temperature that above-mentioned radiation temperature detector 32 is measured, when radiation temperature (i) is i mensuration radiation temperature, by comfort temperature in the following mathematical expression counting chamber:
[several 1]
Fig. 8 is the figure of the control method of expression air conditioner of the present invention.
At first in the 11st step (S11), regulate radiation temperature detector on the move left and right shutter board of the blade that moves up and down of machine or cabinet type air conditioner attached to wall hanging type air along with the radiation temperature in a plurality of spaces in the driving measuring cell of above-mentioned air conditioner.
In the 12nd step (S12), the microcomputer of above-mentioned air conditioner calculates the indoor comfort temperature that the user feels according to the radiation temperature and the above-mentioned mathematical expression 1 of above-mentioned the 11st step measurements.
In the 13rd step (S13), whether the more above-mentioned indoor comfort temperature of the microcomputer of above-mentioned air conditioner is identical with fiducial temperature in being set in above-mentioned air conditioner.
If above-mentioned indoor comfort temperature is identical with fiducial temperature in above-mentioned the 13rd step, then the control method of air conditioner of the present invention turns back to the 11st step.
In addition, when above-mentioned indoor comfort temperature and fiducial temperature are inequality in above-mentioned the 13rd step, then carry out the 14th step (S14), whether the more indoor comfort temperature of the microcomputer of air conditioner is than fiducial temperature height.
When indoor comfort temperature was higher than fiducial temperature in above-mentioned the 14th step, then in the 15th step (S15), the microcomputer that above-mentioned room air is regulated machine increased the discharge rate of air conditioner.
In addition, lower than fiducial temperature as indoor comfort temperature in above-mentioned the 14th step, then in the 16th step (S16), the microcomputer of above-mentioned air conditioner reduces the discharge rate of air conditioner.
Fig. 9 is the curve that expression utilizes air conditioner of the present invention and control method indoor temperature change generated in case state thereof.
As shown in figure 19, indoor temperature drives the back at air conditioner and descends apace for the temperature that reaches user's setting, rises again behind certain hour.Represent current indoor temperature at this solid line, and the indoor temperature interval that the user can feel comfortably cool is represented in the interval between dotted line.
Because above-mentioned solid line is driving air conditioner after be positioned at above-mentioned dotted line behind the certain hour, so, may often keep best indoor comfort index even the method operating air conditioner machine that the user need not be other also can keep the comfort temperature that do not feel cold.
Controllable air conditioner of of the present invention indoor radiation temperature and method of operating thereof according to above formation, on the shutter board of radiation temperature detector attached to blade that moves up and down that is installed in indoor wall hanging type air adjusting machine or cabinet type air conditioner for the adjusting air or move left and right, utilize the above-mentioned radiation temperature detector radiation temperature of interior 2 positions of measuring cell at least, temperature value according to these mensuration, calculate be not indoor temperature and actual indoor comfort temperature, control the discharge rate of air conditioner etc. according to this indoor comfort temperature that calculates, because according to not being to limit the temperature in the space be arranged on the air conditioner on the particular space but whole indoor temperature operation, so have the effect that the comfort level that keeps all even user of making of indoor temperature to feel improves.
Claims (6)
1. one kind according to the controllable air conditioner of indoor radiation temperature, in be equipped with heat exchanger and pressure fan housing, be combined on the above-mentioned housing and suck and discharge room air front panel, attached on the side of above-mentioned front panel and measure at least above-mentioned indoor two positions radiation temperature the radiation temperature detector and calculate indoor comfort degree and control the microcomputer of the discharge rate of above-mentioned air conditioner according to the indoor radiation temperature that is detected by above-mentioned radiation temperature detector according to this comfort level, it is characterized in that:
Above-mentioned radiation temperature detector is constituting attached to the mode along with the radiation temperature in a plurality of spaces in the driving measuring cell of above-mentioned air conditioner on the shutter board of blade that moves up and down on the front panel that is installed in above-mentioned air conditioner or move left and right.
2. one kind according to the controllable air conditioner of indoor radiation temperature, it comprises: in the housing of heat exchanger and pressure fan is housed, be combined in the front panel that also sucks and discharge room air on the above-mentioned housing, attached on the side of above-mentioned front panel and measure the radiation temperature detector of the radiation temperature of above-mentioned indoor two positions at least, with calculate indoor comfort degree according to the indoor radiation temperature that is detected by above-mentioned radiation temperature detector and control the microcomputer of the discharge rate of above-mentioned air conditioner according to this comfort level
It is characterized in that: above-mentioned microcomputer constitutes in the mode that can finish following operation: the radiation temperature according to indoor a plurality of spaces of measuring by above-mentioned radiation temperature detector calculates indoor comfort temperature, compare aforementioned calculation indoor comfort temperature that goes out and the fiducial temperature that is set in the above-mentioned room air adjusting machine, so that adjusting discharge rate
Above-mentioned microcomputer calculates indoor comfort temperature according to following formula:
In the formula:
N utilizes above-mentioned radiation temperature detector can measure the number of the interior space of radiation temperature, and radiation temperature (i) is an i radiation temperature utilizing above-mentioned radiation temperature detector to measure.
3. as claimed in claim 2 according to the controllable air conditioner of indoor radiation temperature, it is characterized in that: above-mentioned microcomputer constitutes in the mode that can finish following operation: when the indoor comfort temperature that goes out in aforementioned calculation is higher than said reference temperature, the discharge rate of air conditioner is increased, and the indoor comfort temperature that goes out in aforementioned calculation makes the discharge rate minimizing of air conditioner when lower than said reference temperature.
4. method of operating according to the controllable air conditioner of indoor radiation temperature,
In the driving that is arranged on indoor air conditioner for the adjusting room air, measure the first step of the radiation temperature of above-mentioned indoor two above positions at least;
Calculate second step of above-mentioned indoor comfort temperature according to the radiation temperature of above-mentioned first step mensuration; With
According to the indoor comfort temperature that in above-mentioned second step, calculates be set in the third step that fiducial temperature in the above-mentioned air conditioner is controlled the discharge rate of above-mentioned air conditioner, it is characterized in that, comprising:
Above-mentioned first step comprises: the process that moves along with above-mentioned blade or shutter board attached to the radiation temperature detector on the shutter board that moves up and down blade or move left and right of above-mentioned air conditioner; Measure the process of the radiation temperature in above-mentioned indoor a plurality of spaces with said temperature detector in above-mentioned moving process.
5. method of operating according to the controllable air conditioner of indoor radiation temperature,
In the driving that is arranged on indoor air conditioner for the adjusting room air, measure the first step of the radiation temperature of above-mentioned indoor two above positions at least;
Calculate second step of above-mentioned indoor comfort temperature according to the radiation temperature of above-mentioned first step mensuration; With
According to the indoor comfort temperature that in above-mentioned second step, calculates be set in the third step that fiducial temperature in the above-mentioned air conditioner is controlled the discharge rate of above-mentioned air conditioner, it is characterized in that, comprising:
Before above-mentioned second step, also comprise the step of measuring above-mentioned indoor temperature,
In above-mentioned second step, calculate indoor comfort temperature according to following formula:
In the formula:
N is the number that utilizes the interior space of the radiation temperature that above-mentioned radiation temperature detector can measure, and radiation temperature (i) is an i radiation temperature utilizing above-mentioned radiation temperature detector to measure.
6. as claimed in claim 5ly can control the method for operating of air conditioner, it is characterized in that according to indoor radiation temperature:
When the indoor comfort temperature that above-mentioned third step calculates in above-mentioned second step is lower than the fiducial temperature of setting, the discharge rate of above-mentioned air conditioner is reduced, and the indoor comfort temperature that goes out in aforementioned calculation increases the discharge rate of above-mentioned air conditioner when higher than the fiducial temperature of setting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR78973/2001 | 2001-12-13 | ||
| KR10-2001-0078973A KR100452351B1 (en) | 2001-12-13 | 2001-12-13 | Air Conditioner and Controlling Method for the Same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1425883A CN1425883A (en) | 2003-06-25 |
| CN1193194C true CN1193194C (en) | 2005-03-16 |
Family
ID=19717005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021226881A Expired - Fee Related CN1193194C (en) | 2001-12-13 | 2002-06-20 | Air conditioner capable of controlling according to room temperature |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003185230A (en) |
| KR (1) | KR100452351B1 (en) |
| CN (1) | CN1193194C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749803B (en) * | 2008-12-18 | 2013-12-04 | 三菱电机株式会社 | Floor type air conditioner |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060029096A (en) * | 2004-09-30 | 2006-04-04 | 삼성전자주식회사 | Apparatus for control delightful operation of air-conditioner and method thereof |
| KR20070017270A (en) * | 2005-08-06 | 2007-02-09 | 삼성전자주식회사 | Ventilating apparatus and control method thereof |
| JP5085670B2 (en) * | 2010-02-24 | 2012-11-28 | 株式会社東芝 | Air conditioning control system and air conditioning control method |
| CN102494391A (en) * | 2011-11-23 | 2012-06-13 | 海信科龙电器股份有限公司 | Method and system for acquiring ambient temperature |
| CN104110788B (en) * | 2014-01-14 | 2016-10-12 | 美的集团股份有限公司 | The control method of a kind of air-conditioner and control device |
| CN105823122B (en) * | 2016-01-05 | 2019-04-23 | 青岛海尔空调器有限总公司 | A kind of radiant type wall hanging air conditioner and its control method |
| JP2016217706A (en) * | 2016-08-30 | 2016-12-22 | 三菱電機株式会社 | Air cleaner |
| CN106765938A (en) * | 2016-12-15 | 2017-05-31 | 广东美的制冷设备有限公司 | Air-conditioner and one key start-up control method |
-
2001
- 2001-12-13 KR KR10-2001-0078973A patent/KR100452351B1/en not_active IP Right Cessation
-
2002
- 2002-06-03 JP JP2002161674A patent/JP2003185230A/en active Pending
- 2002-06-20 CN CNB021226881A patent/CN1193194C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749803B (en) * | 2008-12-18 | 2013-12-04 | 三菱电机株式会社 | Floor type air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003185230A (en) | 2003-07-03 |
| KR100452351B1 (en) | 2004-10-12 |
| CN1425883A (en) | 2003-06-25 |
| KR20030048920A (en) | 2003-06-25 |
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Granted publication date: 20050316 |