CN104764096A - Packaged air conditioner - Google Patents
Packaged air conditioner Download PDFInfo
- Publication number
- CN104764096A CN104764096A CN201510152048.9A CN201510152048A CN104764096A CN 104764096 A CN104764096 A CN 104764096A CN 201510152048 A CN201510152048 A CN 201510152048A CN 104764096 A CN104764096 A CN 104764096A
- Authority
- CN
- China
- Prior art keywords
- air
- wind guide
- guide vane
- air outlet
- cabinet
- Prior art date
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- 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
- F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
Abstract
The invention discloses a packaged air conditioner. The packaged air conditioner comprises a housing, a plurality of vanes, an air blower and an indoor heat heater, wherein the housing is provided with an air outlet and an air inlet; the plurality of vanes are respectively rotatably arranged in the air outlet; an air channel is arranged in the housing; the indoor heat exchanger is arranged in the housing; the air blower is arranged in the air channel; the air outlet upwards extends in the vertical direction; the plurality of vanes respectively vertically extend and are distributed in the horizontal direction; each vane is blade shaped and provided with a plurality of ventilating holes in the thickness direction; an included angle is formed between each vane and the vertical surface of the air outlet. According to the packaged air conditioner, the plurality of vanes can be rotated to the state of covering the air outlet, so that most of the air in the air channel can be blown out of the air outlet through the ventilating holes, the air speed is reduced, the air flow is dispersed, and as a result, the air blown out from the air outlet is soft, and the comfort of the body is increased.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of cabinet air conditioner.
Background technology
Now air-conditioner commercially has diversity, not only has hanging air conditioner, also has cabinet air conditioner, and cabinet air conditioner is strong due to refrigeration, heating capacity, and is subject to popular popular welcome.
The height of the air outlet of cabinet air conditioner arranges general similar with the height of human body, and this can cause when air outlet is opened, and on the body that wind directly can blow to people even on head, and human body is not felt well, reduction body sense comfort level.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of air-conditioner, makes from the wind of air outlet blowout soft and improve body sense comfort level.
According to the cabinet air conditioner of the embodiment of the present invention, comprise casing, multiple wind guide vane, blower fan and indoor heat exchanger, described casing has air outlet and air inlet, described multiple wind guide vane is located in described air outlet respectively rotationally, in described casing, there is air channel, described indoor heat exchanger is located in described casing, described blower fan is located in described air channel, described air outlet in the vertical direction extends, described multiple wind guide vane vertically extends and the setting that distributes in the horizontal direction respectively, each described wind guide vane is formed as sheet and has the multiple air vents run through in the thickness direction thereof, described each wind guide vane has the state becoming angle with the air outlet vertical plane at described air outlet place.
According to the cabinet air conditioner of the embodiment of the present invention, by being provided with multiple air vent on each wind guide vane, and multiple wind guide vane is rotatable, thus multiple wind guide vane can be turned to the state covering air outlet, the most of air in air channel is made to blow out air outlet from air vent, reduce wind speed and break up the flow direction of wind, making from the wind of air outlet blowout soft and improve body sense comfort level.
In specific embodiments more of the present invention, in the first angle, often adjacent two described wind guide vane contacts are to make the air in air channel from the air vent blowout described multiple wind guide vane.
Further, in described first angle, a part for one of them wind guide vane often in adjacent two described wind guide vanes rides on wind guide vane described in another.
In specific embodiments more of the present invention, in the second angle, each described wind guide vane becomes angle with described air outlet vertical plane, and between two often adjacent described wind guide vanes, there is gap, the air at least partially in described air channel blows to behind the described gap corresponding with it from the described multiple air vent each described wind guide vane and blows out described air outlet.
Particularly, the distribution area of the described air vent on each described wind guide vane accounts for 28%-56% of the front surface area of described wind guide vane.
Preferably, the described multiple air vent on each described wind guide vane is multiple lines and multiple rows and is uniformly distributed setting.
Further preferably, the air-out area being positioned at the described air vent of the vertical row of the central authorities of each described wind guide vane is greater than the air-out area of the described air vent of all the other row.
According to some embodiments of the present invention, the cross section of the periphery wall of each described wind guide vane is the camber line that two connected edges are protruded towards direction away from each other.
Preferably, the radius of described two camber lines is equal.
Alternatively, the shape of the described multiple air vent on each described wind guide vane is identical.
In some embodiments of the invention, described blower fan is cross flow fan, and the bearing of trend of the air outlet slit of described cross flow fan is parallel to the bearing of trend of described air outlet.
In further embodiment of the present invention, cabinet air conditioner also comprises cabinet-type air conditioner door, and described cabinet-type air conditioner door is established rotationally and is used to open or close described air outlet on the housing.
Further, when described cabinet air conditioner cuts out, first close described blower fan, then adjust described multiple wind guide vane and turn to described air outlet vertical plane to be predetermined angular, finally to close described cabinet-type air conditioner door.
In examples more of the present invention, described air outlet is located on the front panel of described casing.
In a particular embodiment of the present invention, the rotational angle of described multiple wind guide vane is different.
Accompanying drawing explanation
Fig. 1 is the front view of the cabinet air conditioner according to the embodiment of the present invention, and wherein air outlet is in covering state;
Fig. 2 is the stereogram of the cabinet air conditioner according to the embodiment of the present invention, and wherein air outlet is in wind-guiding state;
Fig. 3 is the profile in A-A direction in Fig. 2;
Fig. 4 is the enlarged diagram of part B in Fig. 3;
Fig. 5 is the stereogram of another angle of cabinet air conditioner according to the embodiment of the present invention;
Fig. 6 is the profile in C-C direction in Fig. 5.
Reference numeral:
Cabinet air conditioner 100,
Casing 1, air outlet 10,
Wind guide vane 2, air vent 20, blower fan 3, indoor heat exchanger 4, spiral case 5, air-inlet grille 7.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Be described in detail the cabinet air conditioner 100 according to the embodiment of the present invention below with reference to Fig. 1-Fig. 6, wherein cabinet air conditioner 100 can have refrigeration mode and/or heating mode.
According to the cabinet air conditioner 100 of the embodiment of the present invention, comprise casing 1, multiple wind guide vane 2, blower fan 3 and indoor heat exchanger 4, wherein, casing 1 has air outlet 10 and air inlet, particularly, casing 1 can be formed in one part or separable assembled part, when casing 1 is separable assembled part, casing 1 has front panel, and air outlet 10 can be located on the front panel of casing 1.On the rear surface that air inlet can be located at casing 1 or sidewall, the position of air inlet specifically can set according to actual conditions.Wherein in order to avoid the impurity such as dust enter in casing 1 by air inlet, as shown in Figure 3 and Figure 6, air inlet is provided with air-inlet grille 7.
In casing 1, there is air channel, indoor heat exchanger 4 is located in casing 1, and blower fan 3 is located in air channel, when blower fan 3 rotates, being imported in casing 1 from air inlet by outside air and carry out heat exchange with indoor heat exchanger 4, the air after heat exchange blows out from air outlet 10 under the guiding in air channel.In the example shown in Fig. 3 and Fig. 6, the cross section of casing 1 is formed as circular, and indoor heat exchanger 4 is formed as, towards the bending shape of air inlet bending, being provided with spiral case 5 to limit air channel in casing 1.
As shown in Figure 1, Figure 2 with shown in Fig. 5, air outlet 10 in the vertical direction extends, and multiple wind guide vane 2 is located in air outlet 10 respectively rotationally, is understandable that, the rotational angle of multiple wind guide vane 2 can be the same or different.In the example shown in Fig. 3 and Fig. 6, multiple wind guide vane 2 is located on spiral case 5 rotationally by connector, it is appreciated of course that multiple wind guide vane 2 also can be located on the miscellaneous part in casing 1 rotationally.
Multiple wind guide vane 2 vertically extends and the setting that distributes in the horizontal direction respectively, and that is, the length bearing of trend of each wind guide vane 2 is identical with the bearing of trend of air outlet 10.
Each wind guide vane 2 is formed as sheet and has the multiple air vents 20 run through in the thickness direction thereof, in other words, each wind guide vane 2 is equipped with multiple air vent 20, and the multiple air vents 20 on each wind guide vane 2 run through wind guide vane 2 respectively on the thickness direction of wind guide vane 2.
Each wind guide vane 2 has the state becoming angle with the air outlet vertical plane at air outlet 10 place.Wherein be understandable that, the shape of air outlet vertical plane is relevant to the shape of casing 1, when the bearing of trend on air outlet 10 in the horizontal direction direction is curve, then air outlet vertical plane bearing of trend in the horizontal direction is also curve, has angle between the vertical tangent line that now each wind guide vane 2 becomes angle to refer to each wind guide vane 2 and air outlet vertical plane corresponding position with air outlet vertical plane.It is appreciated of course that air outlet vertical plane can also be formed as plane.
Because multiple wind guide vane 2 can rotate in air outlet 10, therefore air outlet 10 has wind-guiding state and covering state, and when wind-guiding state, multiple wind guide vane 2 opens air outlet 10, and the air in air channel blows out from air outlet 10 under the guiding of multiple wind guide vane 2.When the state of covering, multiple wind guide vane 2 turns to and makes two adjacent wind guide vanes 2 contact or have gap, in this case, due to the stop situation of multiple wind guide vane 2, the most of wind in air channel blows out from the multiple air vents 20 each wind guide vane 2, thus due to the unexpected reduction of air-out passage, reduce wind speed, wind is broken up by multiple air vent 20 simultaneously, and make the wind facies blown out from air outlet 10 to soft, the wind sense that human feeling arrives is lower.
Specifically, in the first angle, often adjacent two wind guide vanes 2 contact the air in air channel is blown out from the air vent 20 multiple wind guide vane 2.That is, when each wind guide vane 2 is the first angle with the angle of air outlet vertical plane, often adjacent two wind guide vanes 2 contact and cover air outlet 10, due to the Contact of adjacent two wind guide vanes 2, close to gapless state, the wind therefore in air channel blows out air outlet 10 from multiple air vents 20 of each wind guide vane 2.Wherein in order to ensure the gapless state between two wind guide vanes 2 further, in the first angle, a part for one of them wind guide vane 2 often in adjacent two wind guide vanes 2 rides on another wind guide vane 2, and that is, a part for two adjacent wind guide vanes 2 is in overlap condition.
In the second angle, each wind guide vane 2 becomes angle with air outlet vertical plane, and between two often adjacent wind guide vanes 2, there is gap, the air at least partially in air channel blows out air outlet 10 after the multiple air vents 20 each wind guide vane 2 blow to the gap corresponding with it.That is, when each wind guide vane 2 is the second angle with the angle of air outlet vertical plane, do not contact between two often adjacent wind guide vanes 2 and there is gap, wind in air channel is when blowing to air outlet 10, part wind can directly flow through this gap, another part wind flows to this gap from multiple air vents 20 of each wind guide vane 2, thus direction and the speed of the wind directly flowing to gap can be upset from the wind that multiple air vent 20 flows to this gap, play the effect of flow-disturbing, thus make from the wind of air outlet 10 blowout soft.
Wherein be understandable that, this first angle and the second angle specifically can set according to the concrete size of the concrete structure of cabinet air conditioner 100 such as wind guide vane 2, are just not specifically limited here.In examples more of the present invention, the first angle is 0 degree of-5 degree, and the second angle is 10 degree of-20 degree.Be understandable that, the angle between each wind guide vane 2 and air outlet vertical plane is 0 degree, refers to wind guide vane 2 and is parallel to air outlet vertical plane, and wind guide vane 2 and air-out direction are in vertical state to stop the flowing of wind.
According to the cabinet air conditioner 100 of the embodiment of the present invention, by being provided with multiple air vent 20 on each wind guide vane 2, and multiple wind guide vane 2 is rotatable, thus multiple wind guide vane 2 can be turned to the state covering air outlet 10, the most of air in air channel is made to blow out air outlet 10 from air vent 20, reduce wind speed and break up the flow direction of wind, make the wind that blows out from air outlet 10 soft and improve body sense comfort level.
In specific embodiments more of the present invention, the distribution area of the air vent 20 on each wind guide vane 2 accounts for 28%-56% of the front surface area of wind guide vane 2.The distribution area of such as, air vent 20 on each wind guide vane 2 can account for 28%, 35%, 50% or 56% of the front surface area of wind guide vane 2.Thus can wind speed be reduced in guarantee and break up on the basis of wind, ensure that air output is to ensure to freeze to indoor environment or to heat.
Wherein, when adopting the distribution area of the air vent 20 on less distribution proportion such as each wind guide vane 2 to account for 28% of the front surface area of wind guide vane 2, good wind effect and air supplying distance far away can be had.When adopting the distribution area of the air vent 20 on larger distribution proportion such as each wind guide vane 2 to account for 56% of the front surface area of wind guide vane 2, air can be mixed further.
Further, when air outlet 10 is in covering state, the rotating speed of blower fan 3 can set according to the concrete distribution proportion of the air vent 20 on each wind guide vane 2, and such as, when adopting larger distribution proportion, the rotating speed of blower fan 3 can be higher and realize larger air output.
According to a preferred embodiment of the invention, the multiple air vents 20 on each wind guide vane 2 are multiple lines and multiple rows and are uniformly distributed setting.Thus the arrangement mode of the multiple air vents 20 on each wind guide vane 2 cosmetic look of wind guide vane 2 can be improved, such as, it is appreciated of course that also can be other forms, is arranged into multiple circle.In examples more of the present invention, the shape of the multiple air vents 20 on each wind guide vane 2 is identical.Thus be convenient to the machine-shaping of wind guide vane 2.
Further preferably, the air-out area being positioned at the air vent 20 of the vertical row of the central authorities of each wind guide vane 2 is greater than the air-out area of the air vent 20 of all the other row.Thus when each wind guide vane 2 is the second angle with the angle of air outlet vertical plane, the air quantity of the wind blowing to gap from air outlet 10 can be improved, improve flow-disturbing effect.
As shown in Figure 4, in some embodiments of the invention, the cross section of the periphery wall of each wind guide vane 2 is the camber line that two connected edges are protruded towards direction away from each other.Thus when air outlet 10 is in wind-guiding state, the barrier force of each wind guide vane 2 pairs of air can be reduced, improve the guide effect of each wind guide vane 2.Preferably, the radius of two camber lines is equal.
According to some embodiments of the present invention, blower fan 3 is cross flow fan, and the bearing of trend of the air outlet slit of cross flow fan 3 is parallel to the bearing of trend of air outlet 10.Thus the wind effect of blower fan 3 can be improved.
In some embodiments of the invention, cabinet air conditioner 100 also comprises cabinet-type air conditioner door (scheming not shown), and cabinet-type air conditioner door is located at rotationally on casing 1 and is used to open or close air outlet 10.Thus when closing air outlet 10, the effect of protection can be played multiple wind guide vane 2, and the cosmetic look of cabinet air conditioner 100 can be improved.
Further, when cabinet air conditioner 100 cuts out, first close blower fan 3, then adjust multiple wind guide vane 2 and turn to air outlet vertical plane to be predetermined angular, finally to close cabinet-type air conditioner door.Thus can avoid because wind strikes cabinet-type air conditioner door or multiple wind guide vane 2 and produce noise, the noise produced when closing cabinet air conditioner 100 can be reduced.Wherein predetermined angular specifically can limit according to actual conditions, such as, can turn to the direction perpendicular to air outlet vertical plane.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (15)
1. a cabinet air conditioner, comprise casing, multiple wind guide vane, blower fan and indoor heat exchanger, described casing has air outlet and air inlet, described multiple wind guide vane is located in described air outlet respectively rotationally, in described casing, there is air channel, described indoor heat exchanger is located in described casing, described blower fan is located in described air channel, it is characterized in that, described air outlet in the vertical direction extends, described multiple wind guide vane vertically extends and the setting that distributes in the horizontal direction respectively, each described wind guide vane is formed as sheet and has the multiple air vents run through in the thickness direction thereof, described each wind guide vane has the state becoming angle with the air outlet vertical plane at described air outlet place.
2. cabinet air conditioner according to claim 1, is characterized in that, in the first angle, often adjacent two described wind guide vane contacts are to make the air in air channel from the air vent blowout described multiple wind guide vane.
3. cabinet air conditioner according to claim 2, is characterized in that, in described first angle, a part for one of them wind guide vane often in adjacent two described wind guide vanes rides on wind guide vane described in another.
4. cabinet air conditioner according to claim 1, it is characterized in that, in the second angle, each described wind guide vane becomes angle with described air outlet vertical plane, and between two often adjacent described wind guide vanes, there is gap, the air at least partially in described air channel blows to behind the described gap corresponding with it from the described multiple air vent each described wind guide vane and blows out described air outlet.
5. cabinet air conditioner according to claim 1, is characterized in that, the distribution area of the described air vent on each described wind guide vane accounts for 28%-56% of the front surface area of described wind guide vane.
6. cabinet air conditioner according to claim 1, is characterized in that, the described multiple air vent on each described wind guide vane is multiple lines and multiple rows and is uniformly distributed setting.
7. cabinet air conditioner according to claim 6, is characterized in that, the air-out area being positioned at the described air vent of the vertical row of the central authorities of each described wind guide vane is greater than the air-out area of the described air vent of all the other row.
8. cabinet air conditioner according to claim 1, is characterized in that, the cross section of the periphery wall of each described wind guide vane is the camber line that two connected edges are protruded towards direction away from each other.
9. cabinet air conditioner according to claim 8, is characterized in that, the radius of described two camber lines is equal.
10. cabinet air conditioner according to claim 1, is characterized in that, the shape of the described multiple air vent on each described wind guide vane is identical.
11. cabinet air conditioners according to any one of claim 1-10, it is characterized in that, described blower fan is cross flow fan, and the bearing of trend of the air outlet slit of described cross flow fan is parallel to the bearing of trend of described air outlet.
12. cabinet air conditioners according to claim 1, is characterized in that, also comprise cabinet-type air conditioner door, and described cabinet-type air conditioner door is established rotationally and is used to open or close described air outlet on the housing.
13. cabinet air conditioners according to claim 12, it is characterized in that, when described cabinet air conditioner cuts out, first close described blower fan, then adjust described multiple wind guide vane to turn to described air outlet vertical plane to be predetermined angular, finally to close described cabinet-type air conditioner door.
14. cabinet air conditioners according to claim 1, is characterized in that, described air outlet is located on the front panel of described casing.
15. cabinet air conditioners according to claim 1, is characterized in that, the rotational angle of described multiple wind guide vane is different.
Priority Applications (3)
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CN201510152048.9A CN104764096B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner |
CN201910280935.2A CN110068049B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner and shutdown control method thereof |
CN201910281561.6A CN110068050B (en) | 2015-03-31 | 2015-03-31 | Air guide device for cabinet air conditioner and cabinet air conditioner |
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CN201510152048.9A CN104764096B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner |
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CN201910281561.6A Division CN110068050B (en) | 2015-03-31 | 2015-03-31 | Air guide device for cabinet air conditioner and cabinet air conditioner |
CN201910280935.2A Division CN110068049B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner and shutdown control method thereof |
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CN201910281561.6A Active CN110068050B (en) | 2015-03-31 | 2015-03-31 | Air guide device for cabinet air conditioner and cabinet air conditioner |
CN201910280935.2A Active CN110068049B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner and shutdown control method thereof |
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CN201910280935.2A Active CN110068049B (en) | 2015-03-31 | 2015-03-31 | Cabinet air conditioner and shutdown control method thereof |
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CN107525143A (en) * | 2017-08-30 | 2017-12-29 | 广东美的制冷设备有限公司 | Air conditioner |
CN108278675A (en) * | 2018-03-06 | 2018-07-13 | 广东美的制冷设备有限公司 | Cabinet air-conditioner and its control method |
CN108758798A (en) * | 2016-08-31 | 2018-11-06 | 芜湖美智空调设备有限公司 | Air processor |
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Also Published As
Publication number | Publication date |
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CN110068049A (en) | 2019-07-30 |
CN110068050B (en) | 2021-07-20 |
CN110068050A (en) | 2019-07-30 |
CN104764096B (en) | 2019-05-10 |
CN110068049B (en) | 2022-01-28 |
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