CN101655266A - Window type air conditioner - Google Patents
Window type air conditioner Download PDFInfo
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- CN101655266A CN101655266A CN200810118751A CN200810118751A CN101655266A CN 101655266 A CN101655266 A CN 101655266A CN 200810118751 A CN200810118751 A CN 200810118751A CN 200810118751 A CN200810118751 A CN 200810118751A CN 101655266 A CN101655266 A CN 101655266A
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Abstract
The invention relates to an air conditioner, in particular to a window type air conditioner, which is a device for reducing power consumption of a compressor under a dehumidifying work condition. An air circulation transform device is arranged in the air conditioner, wherein the transform device comprises an oscillating blade, a movable shelf A and a movable shelf B; the oscillating blade is usedfor opening or closing outdoor air circulation, and is arranged on an enclosure of an outdoor part of the air conditioner; the movable shelf A and the movable shelf B are arranged in the enclosure; and the transform device ensures that the air conditioner transforms indoor and outdoor opposite air circulation into independent indoor air circulation, or carries out reverse transformation. The air conditioner has the advantages that the window type air conditioner not only can be used as a refrigerating air conditioner, but also can be used for indoor dehumidification; and the power consumptionof the compressor in the window type air conditioner is reduced remarkably when the window type air conditioner is used for indoor dehumidification.
Description
Technical field
The present invention relates to air-conditioner, be specifically related to a kind of window air conditioner, at the device that removes the low compressor power consumption of wet cooling condition decline.
Background technology
In the market wall-through type air conditioner and dehumidifier are sold simultaneously, and both basic elements of character are roughly the same, all comprise evaporimeter, condenser, compressor, throttling arrangement and blower fan.Whole window air conditioner is divided into 3 circulatory systems, be respectively the electric circulatory system, coolant circulating system and air circulation system, and air circulation system wherein is divided into the separate room air circulatory system and the outdoor air circulatory system.In the electricity circulatory system loop, respectively by control circuit to blower motor and compressor power supply can, realize the input and output of energy, driven fan and compressor indoor, outdoor both sides.Form the room air circulatory system and the outdoor air circulatory system during fan running of both sides respectively.The gas that the running of compressor makes the gas volume of the low-temp low-pressure in the refrigerant system become HTHP by compression flows into condenser by the road, the air circulation of the outside condenser outer surface of flowing through, condenser is cooled off, high temperature and high pressure steam temperature in the condenser is reduced, become the high-pressure liquid refrigerant of lower temperature, refrigerant flows out condenser flows through and enters evaporimeter after throttling arrangement (the being generally capillary) step-down, vaporizing refrigerant absorbs heat in evaporimeter, the indoor circulating air that is driven by indoor fan is cooled off, reach the purpose of refrigeration.The air intake overcompression machine of outside has the cooling protection effect to compressor.The structure of dehumidifier and operation principle are similar to above-mentioned window air conditioner, and the air circulation process of dehumidifier is unidirectional, and the circulation of air is just carried out indoor, and the wind that dehumidifier is discharged is through the hot blast after the condenser heating.
By as can be seen above-mentioned, be necessary fully the structure of existing window air conditioner or dehumidifier is transformed, make existing window air conditioner or dehumidifier both can freeze and also can dehumidify.
Summary of the invention
The objective of the invention is to, structure to existing window air conditioner is transformed, the air-conditioner that makes window air conditioner both can be used as refrigeration uses, also can be used as indoor dehumidification, and when dehumidifying in when this window air conditioner is being used for, the power consumption of compressor will obviously reduce in the window air conditioner.
For achieving the above object, technical scheme of the present invention is to adopt a kind of window air conditioner, be provided with the air circulation conversion equipment in the described air-conditioner, described conversion equipment comprises: be used to open or the pendulum leaf of close chamber's outer air circulation, described pendulum leaf is arranged on the casing of described air conditioner outdoor section; Be installed in movable pavilion plate of A and the movable pavilion plate of B in the described casing; Described conversion equipment can make described air-conditioner be followed by the air of indoor and outdoor mutual opposition and be converted to independent room air circulation, or carries out opposite conversion.
Wherein, described pendulum leaf is installed in the rear end of described casing outdoor section.
Wherein, an end of described pendulum leaf is connected with connecting rod, and described pendulum leaf is connected with the D stepper motor.
Wherein, on the A1 limit of the movable pavilion plate of described A, the E rotating shaft is housed, described E rotating shaft is connected with the E stepper motor, described E rotating shaft is installed in a side of described air-conditioner inner condenser, keep in touch on the A1 limit of the movable pavilion plate of the H limit of described condenser and described A, described condenser is connected with the casing inner wall of described air-conditioner on three limits in addition, the A2 limit of the movable pavilion plate of described A contacts with the side that described casing inner wall is provided with the pendulum leaf, or contact with the B1 limit of the movable pavilion plate of described B, the A3 limit of the movable pavilion plate of described A and A4 limit contact with last end face and bottom surface in the described casing respectively.
Wherein, on the B3 limit of described B active clapboard and B4 limit, F1 rotating shaft and F2 rotating shaft are housed respectively, the axis of described F1 rotating shaft and F2 rotating shaft coincides, described F1 rotating shaft or F2 rotating shaft are connected with the F stepper motor, described F1 rotating shaft and F2 rotating shaft are installed in C1 limit one side of the C dividing plate between described air-conditioner internal fan motor and the centrifugal fan, the B1 limit of described B active clapboard contacts with the C1 limit of described C dividing plate, or contact with the A2 limit of the movable pavilion plate of described A, the B2 limit of described B active clapboard contacts with the inwall of described casing, or contact with the I limit of evaporimeter in the described air-conditioner, three limits in addition of described C dividing plate are connected with the casing inner wall of described air-conditioner, and three limits in addition of described evaporimeter also are connected with the casing inner wall of described air-conditioner.
Wherein, described F1 rotating shaft and F2 rotating shaft are installed in the B3 limit of described B active clapboard and the middle part on B4 limit.
Wherein, described condenser, fan electromotor, centrifugal fan, evaporimeter are installed in the same side in the described casing, and the opposite side in described casing is provided with gas channel.
Wherein, the movable pavilion plate of described A can be around E rotating shaft Rotate 180 degree, and described B active clapboard can revolve around F1 rotating shaft and F2 rotating shaft and turn 90 degrees.
Wherein, described E rotating shaft and described F1 rotating shaft or F2 rotating shaft are installed on the same longitudinal axis in described casing, described E rotating shaft and condenser are installed on the same axis of pitch in described casing, and described F1 rotating shaft and F2 rotating shaft and described evaporimeter are installed on the same axis of pitch in described casing.
Wherein, described D stepper motor, E stepper motor, F stepper motor are installed in the casing of described air-conditioner.
Advantage of the present invention and beneficial effect are, by improvement to existing window air conditioner internal structure, with on original window air conditioner outdoor section casing fixedly air inlet, air discharge grille, change the pendulum leaf that to swing into, change the air intake passage that is used for the circulation of isolation ward outer air of original window air conditioner inside and the stationary barrier between the air-out passage into the A active clapboard, simultaneously with original window air conditioner inside, be used for an isolation ward the part interior and stationary barrier that outdoor air circulates and also change the B active clapboard into, when window air conditioner is converted to except that wet cooling condition by cooling condition, the rotation of pendulum leaf has Close All with window air conditioner and the outdoor ventilation of carrying out the hole body circulation, A active clapboard 1 pivots 180 ° simultaneously, B sideboard 2 is rotated counterclockwise 90 ° around axle, make original window air conditioner convert an efficient dehumidifier to, the process of its change is exactly the adjustment by air circulation system, make system no longer carry out the outdoor air circulation, with the Cryogenic air behind the process evaporimeter cool-down dehumidification of indoor condenser and compressor are cooled off, realize the utilization again of useless cold, so just can be so that consumption of compressor reduces, can realize that wall-through type air conditioner is power saving more than 50% removing wet condition, reaches the perfect adaptation of wall-through type air conditioner and dehumidifier.
Description of drawings
Fig. 1 is the structural representation under the window air conditioner cooling condition of the present invention;
Fig. 2 is that window air conditioner of the present invention removes the structural representation under the wet cooling condition.
Among the figure: 1, air-conditioner; 2, pendulum leaf; 3, casing; 4, the movable pavilion plate of A; 5, the movable pavilion plate of B; 6, rear end; 7, connecting rod; 8, D stepper motor; 9, A1 limit; 10, E rotating shaft; 11, E stepper motor; 12, condenser; 13, H limit; 14, A2 limit; 15, B1 limit; 16, A3 limit; 17, A4 limit; 18, B3 limit; 19, B4 limit; 20, F1 rotating shaft; 21, F2 rotating shaft; 22, F stepper motor; 23, fan electromotor; 24, centrifugal fan; 25, C dividing plate; 26, C1 limit; 27, B2 limit; 28, evaporimeter; 29, I limit; 30, gas channel.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Shown in attached Fig. 1 and 2, concrete technical application scheme of the present invention is, design a kind of window air conditioner that can freeze and can efficiently dehumidify, being provided with air in this air-conditioner 1 has the conversion equipment of circulation in indoor, the outdoor separate circulation on the contrary, this conversion equipment comprises: be used to open or the pendulum leaf 2 of close chamber's outer air circulation, this pendulum leaf 2 is installed in described air-conditioner 1 and is installed on the casing 3 of outdoor section.Movable pavilion plate 4 of rotatable A and the movable pavilion plate 5 of B are installed in casing 3.Described conversion equipment can make the air circulation mode of described air-conditioner 1, is followed by the air of indoor and outdoor mutual opposition and is converted to independent room air circulation, or carry out opposite conversion.
In the present invention, described pendulum leaf 2 can be installed in the rear end 6 that described casing is positioned at outdoor section.Connecting rod of described pendulum leaf 2 usefulness 7 is coupled together, a blade in the described pendulum leaf 2 is connected with D stepper motor 8, or an end of described two sides is connected with described D stepper motor.The rotation of D stepper motor 8 can make pendulum leaf 2 with window air conditioner and outdoor between turnover air regulator mouth be unlocked or be closed.
In the present invention, be installed in the movable pavilion plate 4 of described A of casing 3 inside of window air conditioner 1, on a vertical A1 limit 9 of the movable pavilion plate 4 of A, E rotating shaft 10 is housed, the movable pavilion plate 4 of A can be around these E rotating shaft 10 rotations, one end of described E rotating shaft 10 is connected with E stepper motor 11, described E rotating shaft 10 is installed in the next door of described air-conditioner 1 inner condenser 12, the A1 limit 9 of the movable pavilion plate 4 of described A and H side 13 on the condenser 12 are remained in static or rotating process to be contacted, take to be tightly connected between casing 3 inwalls of described condenser 12 other three sides and described air-conditioner 1, the A2 limit 14 that the movable pavilion plate of described A 4 is vertical, when cooling condition with described casing 3 inwalls in be equipped with the pendulum leaf 2 a side contact, B1 limit 15 with the movable pavilion plate 5 of described B when removing wet cooling condition contacts, the A3 limit 16 of the movable pavilion plate 4 of described A and A4 limit 17 contact with last end face and bottom surface in the described casing 3 respectively, described contact is meant between the contact-making surface that connects and can relatively rotates or displacement, can keep in touch the performance that has sealing between the face again.
On the B3 limit 18 of described B active clapboard 5 and B4 limit 19, F1 rotating shaft 20 and F2 rotating shaft 21 are housed respectively, or be provided with axis hole, the axis of described F1 rotating shaft 20 and F2 rotating shaft 21 or axis hole coincides, one of described F1 rotating shaft 20 or F2 rotating shaft 21 are connected with F stepper motor 22, described F1 rotating shaft 20 and F2 rotating shaft 21 are installed in C1 limit 26 1 sides of the C dividing plate 25 between described air-conditioner 1 internal fan motor 23 and the centrifugal fan 24, we can say that also the part with C dividing plate 25 becomes B active clapboard 5, a vertical B1 limit 15 of described B active clapboard 5, when cooling condition, contact with a vertical C1 limit 26 of described C dividing plate 25, A2 limit 14 with the movable pavilion plate 4 of described A when removing wet cooling condition contacts, the B2 limit 27 of described B active clapboard 5 contacts with the inwall of described casing 3 when cooling condition, the I limit 29 of the evaporimeter 28 when removing wet cooling condition in the B2 limit 27 of described B active clapboard 5 and the described air-conditioner 1 contacts, taking to be tightly connected between other three sides of described C dividing plate 25 and casing 3 inwalls of described air-conditioner 1, also and between casing 3 inwalls of described air-conditioner 1 takes to be tightly connected in three limits in addition of described evaporimeter 28.
In the present invention, described F1 rotating shaft 20 and F2 rotating shaft 21 are installed in the B3 limit 18 of described B active clapboard 5 and the middle part on B4 limit 19.Described condenser 12, fan electromotor 23, centrifugal fan 24, evaporimeter 28 are installed in the same side in the described casing 3, compressor in the window air conditioner is installed between described C dividing plate 25 and the described condenser 12, and 3 opposite side is provided with gas channel 30 in described casing.Wherein, the movable pavilion plate 4 of described A can be around E rotating shaft 12 Rotate 180 degree, and described B active clapboard 5 can be rotated counterclockwise 90 degree around F1 rotating shaft 20 and F2 rotating shaft 21.Described E rotating shaft 10 is installed on the same longitudinal axis with described F1 rotating shaft 20 or F2 rotating shaft 21 in described casing 3, described E rotating shaft 10 is installed on the same axis of pitch with condenser 11 in described casing 3, and described F1 rotating shaft 20 and F2 rotating shaft 21 are installed on the same axis of pitch with described evaporimeter 28 in described casing 3.Described D stepper motor 10, E stepper motor 11, F stepper motor 22 are installed in the casing 3 of described air-conditioner 1.
The window air conditioner operation principle of the efficient dehumidifying of the present invention is that the wall-through type air conditioner refrigerating state as shown in Figure 1, comprises evaporimeter, condenser, compressor, throttling arrangement and blower fan.Whole window air conditioner is divided into 3 circulatory systems, be respectively the electric circulatory system, coolant circulating system and air circulation system, and air circulation system wherein is divided into the separate room air circulatory system and the outdoor air circulatory system.In the electricity circulatory system loop, respectively by control circuit to blower motor and compressor power supply can, realize the input and output of energy, driven fan and compressor indoor, outdoor both sides.Form the room air circulatory system and the outdoor air circulatory system respectively during the fan running of both sides, the direction of air-flow as shown by arrows.The gas that the running of compressor makes the gas volume of the low-temp low-pressure in the refrigerant system become HTHP by compression flows into condenser by the road, the air circulation of the outside condenser outer surface of flowing through, condenser is cooled off, high temperature and high pressure steam temperature in the condenser is reduced, become the high-pressure liquid refrigerant of lower temperature, refrigerant flows out condenser flows through and enters evaporimeter after throttling arrangement (the being generally capillary) step-down, vaporizing refrigerant absorbs heat in evaporimeter, the indoor circulating air that is driven by indoor fan is cooled off, reach the purpose of refrigeration.
When needs to indoor when efficiently dehumidifying, by closing the pendulum leaf, make A active clapboard 4 around E axle Rotate 180 ° simultaneously, B active clapboard 5 is rotated counterclockwise 90 ° around the F axle, what promptly can be switched to efficiently removes wet condition as shown in Figure 2, adjustment by air flow in the air circulation system, make system no longer carry out the outdoor air circulation, with the Cryogenic air behind the process evaporimeter cool-down dehumidification of indoor condenser and compressor are cooled off, realize the utilization again of useless cold, so just can be so that consumption of compressor reduce, can realize that wall-through type air conditioner is power saving more than 50% removing wet condition, reaches the perfect adaptation of wall-through type air conditioner and dehumidifier.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of window air conditioner, it is characterized in that, described air-conditioner is provided with the air circulation conversion equipment in (1), and described conversion equipment comprises: be used to open or the pendulum leaf (2) of close chamber's outer air circulation, described pendulum leaf (2) is arranged on the casing (3) of described air-conditioner (1) outdoor section; Be installed in movable pavilion plate (4) of A and the movable pavilion plate (5) of B in the described casing (3); Described conversion equipment can make described air-conditioner (1) be followed by the air of indoor and outdoor mutual opposition and be converted to independent room air circulation, or carries out opposite conversion.
2, window air conditioner as claimed in claim 1 is characterized in that, described pendulum leaf (2) is installed in the rear end (6) of described casing outdoor section.
3, window air conditioner as claimed in claim 2 is characterized in that, described pendulum leaf (2) is connected with connecting rod (7), and described pendulum leaf (2) is connected with D stepper motor (8).
4, window air conditioner as claimed in claim 3, it is characterized in that, on the A1 limit (9) of the movable pavilion plate of described A (4), E rotating shaft (10) is housed, described E rotating shaft (10) is connected with E stepper motor (11), described E rotating shaft (10) is installed in a side of described air-conditioner (1) inner condenser (12), keep in touch with the A1 limit (9) of the movable pavilion plate of described A (4) on the H limit (13) of described condenser (12), described condenser (12) is connected with casing (3) inwall of described air-conditioner (1) on three limits in addition, the A2 limit (14) of the movable pavilion plate of described A (4) contacts with the side that described casing (3) inwall is provided with pendulum leaf (2), or contact with the B1 limit (15) of the movable pavilion plate of described B (5), the A3 limit (16) of the movable pavilion plate of described A (4) and A4 limit (17) contact with interior last end face and the bottom surface of described casing (3) respectively.
5, window air conditioner as claimed in claim 4, it is characterized in that, on the B3 limit (18) of described B active clapboard (5) and B4 limit (19), F1 rotating shaft (20) and F2 rotating shaft (21) are housed respectively, the axis of described F1 rotating shaft (20) and F2 rotating shaft (21) coincides, described F1 rotating shaft (20) or F2 rotating shaft (21) are connected with F stepper motor (22), described F1 rotating shaft (20) and F2 rotating shaft (21) are installed in C1 limit (26) one sides of the C dividing plate (25) between described air-conditioner (1) internal fan motor (23) and the centrifugal fan (24), the B1 limit (15) of described B active clapboard (5) contacts with the C1 limit (26) of described C dividing plate (25), or contact with the A2 limit (14) of the movable pavilion plate of described A (4), the B2 limit (27) of described B active clapboard (5) contacts with the inwall of described casing (3), or contact with the I limit (29) of evaporimeter (28) in the described air-conditioner (1), three limits in addition of described C dividing plate (25) are connected with casing (3) inwall of described air-conditioner (1), and three limits in addition of described evaporimeter (28) also are connected with casing (3) inwall of described air-conditioner (1).
6, window air conditioner as claimed in claim 5 is characterized in that, described F1 rotating shaft (20) and F2 rotating shaft (21) are installed in the B3 limit (18) of described B active clapboard (5) and the middle part of B4 limit (19).
7, as claim 4 or 6 described window air conditioners, it is characterized in that, described condenser (12), fan electromotor (23), centrifugal fan (24), evaporimeter (28) are installed in the same side in the described casing (3), and the opposite side of (3) is provided with gas channel (30) in described casing.
As claim 4 or 6 described window air conditioners, it is characterized in that 8, the movable pavilion plate of described A (4) can be around E rotating shaft (12) Rotate 180 degree, described B active clapboard (5) can revolve around F1 rotating shaft (20) and F2 rotating shaft (21) and turn 90 degrees.
9, window air conditioner as claimed in claim 8, it is characterized in that, described E rotating shaft (10) is installed on the same longitudinal axis with described F1 rotating shaft (20) or F2 rotating shaft (21) in described casing (3), described E rotating shaft (10) is installed on the same axis of pitch with condenser (11) in described casing (3), and described F1 rotating shaft (20) and F2 rotating shaft (21) are installed on the same axis of pitch with described evaporimeter (28) in described casing (3).
As each described window air conditioner of claim 3 to 5, it is characterized in that 10, described D stepper motor (10), E stepper motor (11), F stepper motor (22) are installed in the casing (3) of described air-conditioner (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118751A CN101655266B (en) | 2008-08-20 | 2008-08-20 | Window type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118751A CN101655266B (en) | 2008-08-20 | 2008-08-20 | Window type air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101655266A true CN101655266A (en) | 2010-02-24 |
| CN101655266B CN101655266B (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810118751A Active CN101655266B (en) | 2008-08-20 | 2008-08-20 | Window type air conditioner |
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| Country | Link |
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| CN (1) | CN101655266B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104296262A (en) * | 2014-11-03 | 2015-01-21 | 陈万仁 | Ventilating, dehumidifying and full-heat-recycling cold and hot air integrated machine for bathroom |
| CN104315622A (en) * | 2014-11-03 | 2015-01-28 | 陈万仁 | Cold and warm air blower with fresh air function and air-source heat pump |
| CN105318429A (en) * | 2015-10-26 | 2016-02-10 | 珠海格力电器股份有限公司 | Air conditioner |
| CN108934136A (en) * | 2018-07-07 | 2018-12-04 | 国网安徽省电力有限公司淮北供电公司 | A kind of electrical cabinet with moisture-proof construction |
| WO2021098005A1 (en) * | 2019-11-20 | 2021-05-27 | 珠海格力电器股份有限公司 | Air conditioning system, air conditioner, and control method |
| CN113250985A (en) * | 2021-05-20 | 2021-08-13 | 深圳市正晧科技有限公司 | Purification fan with temperature control mechanism |
| CN114110809A (en) * | 2020-08-27 | 2022-03-01 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1170089C (en) * | 2002-06-07 | 2004-10-06 | 杭州三以实业有限公司 | Ventilation installation |
| CN2656866Y (en) * | 2003-07-08 | 2004-11-17 | 张华� | Automatic controlled indoor and outdoor air exchanging purifier |
| JP4192747B2 (en) * | 2003-10-10 | 2008-12-10 | トヨタ車体株式会社 | Air conditioner in cargo room |
| CN2847134Y (en) * | 2005-11-24 | 2006-12-13 | 上海环科建筑科技有限公司 | Solar energy composite air cleaner |
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2008
- 2008-08-20 CN CN200810118751A patent/CN101655266B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296262A (en) * | 2014-11-03 | 2015-01-21 | 陈万仁 | Ventilating, dehumidifying and full-heat-recycling cold and hot air integrated machine for bathroom |
| CN104315622A (en) * | 2014-11-03 | 2015-01-28 | 陈万仁 | Cold and warm air blower with fresh air function and air-source heat pump |
| CN104296262B (en) * | 2014-11-03 | 2017-05-10 | 陈万仁 | Ventilating, dehumidifying and full-heat-recycling cold and hot air integrated machine for bathroom |
| CN105318429A (en) * | 2015-10-26 | 2016-02-10 | 珠海格力电器股份有限公司 | Air conditioner |
| CN108934136A (en) * | 2018-07-07 | 2018-12-04 | 国网安徽省电力有限公司淮北供电公司 | A kind of electrical cabinet with moisture-proof construction |
| CN108934136B (en) * | 2018-07-07 | 2023-04-07 | 国网安徽省电力有限公司淮北供电公司 | Electrical cabinet with moisture-proof structure |
| WO2021098005A1 (en) * | 2019-11-20 | 2021-05-27 | 珠海格力电器股份有限公司 | Air conditioning system, air conditioner, and control method |
| CN114110809A (en) * | 2020-08-27 | 2022-03-01 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN114110809B (en) * | 2020-08-27 | 2023-08-25 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN113250985A (en) * | 2021-05-20 | 2021-08-13 | 深圳市正晧科技有限公司 | Purification fan with temperature control mechanism |
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|---|---|
| CN101655266B (en) | 2012-09-26 |
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