CN104864499B - A kind of wall-hanging air conditioner - Google Patents

A kind of wall-hanging air conditioner Download PDF

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Publication number
CN104864499B
CN104864499B CN201510219432.6A CN201510219432A CN104864499B CN 104864499 B CN104864499 B CN 104864499B CN 201510219432 A CN201510219432 A CN 201510219432A CN 104864499 B CN104864499 B CN 104864499B
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China
Prior art keywords
air
panel
heat exchanger
drainage
skeleton
Prior art date
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Active
Application number
CN201510219432.6A
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Chinese (zh)
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CN104864499A (en
Inventor
张胜闯
王友宁
吴洪金
雷永峰
张立智
秦存涛
于兆志
徐卫军
刘焕肖
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to CN201510219432.6A priority Critical patent/CN104864499B/en
Publication of CN104864499A publication Critical patent/CN104864499A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

Abstract

The present invention relates to a kind of wall-hanging air conditioner, the angular case of air conditioner is arranged on skeleton, angular case includes top panel, lower panel and two side panels, top panel connects the angle to be formed with lower panel between the o of 50 o 90, air inlet is provided with top panel, air outlet is provided with lower panel, skeleton forms wind chamber with water receiving disc assembly, blower fan is located at wind intracavitary, heat exchanger is between drip tray and skeleton, air inlet is communicated by heat exchanger with wind chamber, wind chamber communicates with air outlet, drainage air channel is provided with angular case, the drainage air inlet in drainage air channel is disposed below the bottom of plate, the drainage air outlet in drainage air channel is arranged on the bottom of air-conditioner air outlet.Air-flow of the present invention greatly shortens from air inlet to the circulation path between air outlet, reduce the time that air-flow is had an effect in housing with air supply rate, reduce noise, drainage air channel introduces non-heat exchange wind and carries out being mixed to form mixing wind with heat exchange wind, air-out is softer, and comfortableness is greatly improved.

Description

A kind of wall-hanging air conditioner
Technical field
The present invention relates to air-conditioning technical field, is to be related to a kind of indoor apparatus of air conditioner specifically, particularly a kind of wall-mounted Air-conditioning.
Background technology
Wall-hanging air conditioner can be mounted on wall, due to being not take up ground space, liked by user and made extensively With.As shown in figure 1, existing wall-hanging air conditioner generally comprises housing, heat exchanger, blower fan and skeleton and drip tray in housing Assembly.Wherein, housing is square including rear board 1, top panel 2, front panel 3, lower panel 4 and two side panels, housing section Or squarish, air inlet 21 is provided with top panel 2, is set on lower panel 4 between front panel 3 or below front panel 3 There is air outlet 5, display screen is provided with front panel 3, enclosure interior forms wind chamber, and assembling is in wind intracavitary.During air-conditioning work, In the presence of blower fan, air enters in housing from the air inlet 21 of top panel 2, and after heat exchanger exchanges heat, blower fan is by air-flow It is directed to the air outlet 5 of lower panel.Due to the structure type of housing, air-flow is entering housing by air inlet 21, passes through heat exchange , it is necessary to can be discharged by longer airflow path from air outlet 5 after device heat exchange, air-flow is in housing and air supply rate Have an effect, because airflow path is longer, easily form larger noise.
Further, since the air inlet 21 of air-conditioning is arranged above on plate 2, limited by shell structure, the area of top panel 2 It is typically small, thus, air inlet 21 is influenceed by top panel, and area is also smaller, and intake is small, causes air-conditioning efficiency not carry Height, and air-conditioning can only improve rotation speed of fan, improve noise to improve operating efficiency.As user is to comfortableness and quiet The requirement more and more higher of audio fruit, current air conditioner structure can not take into account the requirement of high energy efficiency and low noise.
From air outlet in the presence of the direct blower fan internally of wind after existing wall-hanging indoor unit of air conditioner heat exchanger heat exchange Blowout, the wind blown out is entirely heat exchange wind.One shortcoming of air-conditioning is due to that the wind of submitting is entirely heat exchange wind, Air quantity is less, and indoor wind circulation rate is slow;Another shortcoming is that the wind sent out is not soft enough, especially in cooling mode, institute The cool breeze of blowout is directly blown onto with user, and user feels uncomfortable.
The content of the invention
It is an object of the invention to provide a kind of wall-hanging air conditioner, solve existing wall-hanging air conditioner noise it is higher with And the technical problem that air quantity is few, comfortableness is low.
In order to solve the above technical problems, the present invention is achieved using following technical scheme:
A kind of wall-hanging air conditioner, including case, heat exchanger, blower fan, skeleton and water receiving disc assembly, the case are angular Case, the angular case are arranged on skeleton, and the angular case includes integrally formed top panel, lower panel and two sides Panel, the angle that the top panel connects with lower panel and formed therebetween are set between 50 ° -90 ° on the top panel There is air inlet, air outlet is provided with the lower panel, the skeleton forms wind chamber with water receiving disc assembly, and the blower fan is located at institute Wind intracavitary is stated, for the heat exchanger between the drip tray and skeleton, the air inlet passes through heat exchanger and the wind chamber phase Logical, the wind chamber is communicated with the air outlet, and drainage air channel is provided with the angular case, and the drainage in the drainage air channel is entered Air port is arranged on the bottom of the lower panel, and the drainage air outlet in the drainage air channel is arranged on the bottom of the air outlet.
Wall-hanging air conditioner as described above, the drainage air outlet have towards the negative pressure region of the air outlet bottom Beneficial to drainage.
Wall-hanging air conditioner as described above, the drainage air channel is between the lower panel and the skeleton
Wall-hanging air conditioner as described above, the drainage channel are curved channel.
In order to further reduce the noise of air conditioner, and efficiency is improved, the area ratio of the top panel and the lower panel Between 0.8-1.2.
Preferably, the area of the air inlet accounts for more than the 80% of plate suqare above.
Wall-hanging air conditioner as described above, the heat exchanger include intersecting and First Heat Exchanger in a certain angle and the Two heat exchangers, one end of the First Heat Exchanger are arranged on drip tray, and one end of second heat exchanger is arranged on skeleton.
Auxiliary heat-exchanging is provided with wall-hanging air conditioner as described above, the First Heat Exchanger and/or the second heat exchanger Device, the supplementary heat exchanger area on the First Heat Exchanger are less than First Heat Exchanger, the auxiliary heat-exchanging on second heat exchanger Device area is less than the second heat exchanger area.
Wall-hanging air conditioner as described above, the angle between the blower fan center and the air inlet end are more than 60 °.
Compared with prior art, the advantages and positive effects of the present invention are:The case of wall-hanging air conditioner of the present invention is angle Shape case, angular case are arranged on the skeleton of skeleton and water receiving disc assembly, angular case include integrally formed top panel, under Panel and two side panels, the angle that top panel connects with lower panel and formed therebetween is between 50 ° -90 °, and above Air inlet is provided with plate, is provided with air outlet on lower panel, air-flow from air inlet to the circulation path between air outlet significantly Shorten, reduce the time that air-flow is had an effect in housing with air supply rate, reduce noise.
The area of top panel and lower panel ratio is between 0.8-1.2, can further limit air-flow in air inlet to going out Circulation path between air port, and the area of top panel is effectively lifted, and so as to be advantageous to improve the area of air inlet, is carried High intake, compared with existing air-conditioning, intake improves more than 30%, can reduce rotation speed of fan, can also reach same Cooling or heating effect, compared with existing air-conditioning (air-conditioner housing shape is different, and other conditions are equivalent, such as rated power), at least Noise 5dB can be reduced.
The present invention is provided with drainage air channel in angular case, and the drainage air inlet for draining air channel is disposed below the bottom of plate Portion, the drainage air outlet for draining air channel are arranged on the bottom of air conditioner wind outlet, when air conditioner works, blow out and exchange heat from air outlet Wind, negative pressuren zone being formed in the bottom of air outlet, non-heat exchange wind is drawn to negative pressuren zone under suction function by draining air channel, and with Heat exchange wind is blown out after being mixed to form mixing wind from air outlet, and air quantity is big, and indoor wind circulation rate is fast, and mixing wind is softer, Improve comfortableness.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more Add clear.
Brief description of the drawings
Fig. 1 is the sectional view of prior art air conditioner.
Fig. 2 is the schematic appearance of air conditioner in the specific embodiment of the invention.
Fig. 3 is the sectional view of air conditioner in the specific embodiment of the invention.
Embodiment
The wall-hanging air conditioner of the present invention includes case, heat exchanger, blower fan, skeleton and water receiving disc assembly.
The present invention is improved the shape of air conditioner, makes the section of air conditioner triangular in shape or subtriangular, with Shorten circulation path of the air-flow in air conditioner, so as to reach low noise and improve the effect of efficiency.Mainly by case shape The improvement of shape realizes that case is angular case, and angular case is arranged on skeleton, and angular case and part skeleton form air-conditioning The housing of device.Angular case includes integrally formed top panel, lower panel and two side panels, wherein, top panel and lower panel The angle for connecting and being formed therebetween is between 50 ° -90 °.Air inlet is provided with top panel, is provided with out on lower panel Accommodation, air inlet of the air from top panel are made in air port, the shape of enclosure interior heat exchanger and position, the position of blower fan Into in housing, after heat exchanger exchanges heat, wind chamber is reached, in the presence of blower fan, is blown out from the air outlet of lower panel.Due to It is in certain angle between top panel and lower panel, thus, air-flow is entering housing by air inlet, is exchanged heat by heat exchanger Afterwards, the shorter circulation path of process can discharge from air outlet, and the path that air-flow is had an effect in housing with air supply rate is big It is big to shorten, reduce caused noise during operation of air conditioner.
Meanwhile the present invention is also improved air-conditioning inside air channel structure, drainage air channel is provided with angular case, The drainage air inlet in drainage air channel is disposed below the bottom of plate, and the drainage air outlet for draining air channel is arranged on air conditioner wind outlet Bottom.When air conditioner works, air-flow in the presence of blower fan, exchanges heat after air inlet enters air-conditioning inside by heat exchanger Heat exchange wind is formed afterwards and enters air-inlet chamber, and is blown out from air outlet, and during blowout, negative pressuren zone is formed in the bottom of air outlet, it is non- The wind that exchanges heat is drawn to negative pressuren zone under suction function by draining air channel, and is mixed to form with heat exchange wind after mixing wind from air outlet Blowout, mixing wind is softer, improves comfortableness.
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As Figure 2-3, the air conditioner of the present embodiment includes case 1, heat exchanger 2, blower fan 3, skeleton and water receiving disc assembly. Air inlet 111 and air outlet 121 are provided with case 1, skeleton forms wind chamber 7 with water receiving disc assembly, and blower fan 3 is located in wind chamber 7, Heat exchanger 2 is between drip tray 42 and skeleton, and air inlet 111 is communicated by heat exchanger 2 with wind chamber 7, wind chamber 7 and air outlet 121 communicate, and the air-flow at air inlet 111 forms heat exchange wind after the heat exchange of heat exchanger 2 and enters air-inlet chamber 7, in the presence of blower fan 3 Blown out from air outlet 121.Drainage air channel 8 is additionally provided with angular case, the drainage air inlet in drainage air channel 8 is disposed below plate 12 bottom, the drainage air outlet in drainage air channel 8 are arranged on the bottom of air outlet 121.Preferably, air outlet is drained towards air-out The negative pressure region A of 121 bottoms of mouth.In the presence of negative pressure region A, drainage air channel 8 is used to non-heat exchange wind being introduced directly into out At air port 121.
Specifically,
Case 1 is angular case, and angular case includes integrally formed top panel 11, lower panel 12 and two side panels 13.Wherein, top panel 11 and lower panel 12 connect, and shape is at a certain angle therebetween, top panel 11 and lower panel 12 it Between the angle that is formed between 50 ° -90 °.The joint of top panel 11 and lower panel 12 seamlessly transits, and the display screen of air conditioner can It is arranged on and seamlessly transits place, side panel 13 connects with top panel 11 and lower panel 12 respectively, and side panel 13 is shaped as triangle It is or subtriangular.Plate 11, lower panel 12 and two side panels 13 are installed on skeleton above angular case, with skeleton shape Into the housing of air conditioner.
Air inlet 111 is provided with top panel 11, air outlet 121, air inlet 111 and air-out are provided with lower panel 12 Mouth 121 is arranged at close to the position of back skeleton 411.Airflow in angular case between air inlet 111 and air outlet 121 Heat exchanger 2 and blower fan 3 are disposed with path.
Skeleton includes integrated skeleton and drip tray 42 with water receiving disc assembly.Skeleton includes back skeleton 411, connecting framework (not shown) and support frame 413, back skeleton 411 are located at the rear portion of air conditioner, connected with angular case, form air conditioner Housing;Support frame 413 is located below the top of plate 12, for supporting drip tray 42;The both ends of back skeleton 411 and support rib The both ends of frame 413 are connected by connecting framework.Plate 11 and lower panel 12 are installed on back skeleton 411 above angular case, Lower panel 12 also connects with support frame 413, is fixed by screw.Drip tray 42 is formed on support frame 413, positioned at heat exchange The lower section of the end of device 2, for accepting condensed water caused by heat exchanger 2.Drip tray 42 is close to plate 11 above angular case with The joint of panel 12, it is possible to achieve the layout optimization of air conditioner internal part, reduce the length in airflow path.Back skeleton Wind chamber 7 is formed between 411 and support frame 413, drip tray 42, the position that back skeleton 411 forms wind chamber 7 is preferably cambered surface, with Beneficial to air current flow.Blower fan 3 is located in wind chamber 7, in order to further improve intake volume, the center of blower fan 3 and air inlet Angle between 111 ends is more than 60 °.
Drainage air channel 8 is provided with angular case, wherein, the drainage air inlet in drainage air channel 8 is disposed below plate 12 Bottom, the drainage air outlet in drainage air channel 8 are arranged on the bottom of air outlet 121.Preferably, air outlet is drained towards air outlet The negative pressure region A of 121 bottoms.Preferably, drainage air channel 8 is located below between plate 12 and skeleton, and drainage air channel 8 is set here The space in the corner can be made full use of, without being further added by the volume of air-conditioning.Drainage channel 8 is curved channel, and air-flow can be naturally suitable Freely flowed in drainage channel 8, noise will not be produced.
It is as shown in the table, the comparison data of absorbing quantity under air channel drainage state and non-drainage state are drained for the present embodiment, As can be seen here, the air inducing rate of the air-inducing passage of the present embodiment can reach 9% or so, can play good air inducing and mix wind effect Fruit.
When air conditioner is run, in the presence of blower fan 3, air forms air-flow, enters enclosure interior, gas from air inlet 111 Stream forms heat exchange wind after the heat exchange of heat exchanger 2, enters air-inlet chamber 7, and is blown out from air outlet 121, during blowout, forms negative pressure Region A, in the presence of negative pressure region A, non-heat exchange wind is introduced directly at air outlet 121 by drainage air channel 8, in air outlet At 121, heat exchange wind is mixed to form comfortable mixing wind with non-heat exchange wind and blown out.Due to being formed between top panel 11, lower panel 12 Certain angle, thus, the airflow road between the air outlet 121 on air inlet 111 and lower panel 12 on top panel 11 Footpath greatly shortens compared with existing air conditioner, reduces the time that air-flow is had an effect in housing with air supply rate, reduces Noise.
In order to which the airflow path shortened in air conditioner is better achieved, reach the effect for preferably reducing noise Fruit, the angle formed between the present embodiment top panel 11 and lower panel 12 is preferably between 50 ° -80 °.
Because the rotating speed of blower fan 3 is a key factor of influence air conditioner noise, the rotating speed for improving blower fan 3 is mainly Raising intake volume, but the rotating speed of blower fan 3 is higher, noise is bigger.And by way of increasing the area of air inlet 111 Intake volume can be improved, therefore, it is possible to the area for increasing air inlet 111, reduce the rotating speed of blower fan 3 by way of reduce and make an uproar Sound.
Area (including area at air inlet and air outlet) ratio of the present embodiment top panel 11 and lower panel 12 is in 0.8- Between 1.2, the area of the area and lower panel 12 of top panel 11 is defined, the area of top panel 11 can be improved, thus, The area of the air inlet 111 opened up on top panel 11 can also be improved, and so as to improve intake, and then keep blower fan 3 The purpose of raising conditioner efficiency can be achieved in the case of rotating speed inconvenience.
The present embodiment is by increasing the area of top panel 11, and then the mode for increasing the area of air inlet 111 improves air intake Air quantity, incoming air area and intake can be made to increase more than 30%.Thus, the present embodiment can reduce the rotating speed of blower fan 3, to enter One step reduces noise.Preferably, the area of air inlet 111 accounts for more than the 80% of the area of top panel 11.
Preferably, the present embodiment is provided with integral type dirt filtrating screen 112 on air inlet 111, and integral type dirt filtrating screen 112 includes Filter screen and waveform grid.The structure design of integral type dirt filtrating screen 112 can effectively reduce stop of the dirt filtrating screen to wind, improve into Air quantity, further reduce noise and improve efficiency.
For the heat exchanger 2 of the present embodiment between wind chamber and air inlet 111, one end of heat exchanger 2 is arranged on back skeleton 1 On, the other end is arranged on drip tray 42.Specifically, the present embodiment, on back skeleton 1, the top for forming the position of wind chamber is formed There is heat exchanger supporting part 4111, for supporting heat exchanger 2.
Preferably, heat exchanger 2 includes the intersecting and heat exchanger 22 of First Heat Exchanger 21 and second in a certain angle.Wherein, One end of First Heat Exchanger 21 is arranged on drip tray 42, and the other end connects with the second heat exchanger 22, and the one of the second heat exchanger 22 End is arranged on the heat exchanger supporting part 4111 of back skeleton 1, and the other end connects with First Heat Exchanger 21.
In order to improve the efficiency of air-conditioning, heat exchanger 2 also includes supplementary heat exchanger 23, and supplementary heat exchanger 23 is arranged on first and changed Hot device 21 is provided with supplementary heat exchanger either on the second heat exchanger 22 or on the heat exchanger 22 of First Heat Exchanger 21 and second 23, it can also realize the object of the invention.Wherein, the area of the supplementary heat exchanger 23 on First Heat Exchanger 21 is less than First Heat Exchanger 21 Area, the area of the supplementary heat exchanger 23 on the second heat exchanger 22 is less than the area of the second heat exchanger 22.
The present embodiment shortens airflow path by the improvement to air conditioner shape, meanwhile, improve intake and go out Air quantity, reach high air quantity characteristic of the blower fan under same rotational speed, the effect of level of noise reduction is realized by above-mentioned technological means, lead to Cross it is demonstrated experimentally that the present embodiment level of noise reduces at least 5dB.
Air quantity Existing structure level of noise The present embodiment structureborne noise value Reduce level of noise
It is superpower 41dB 36dB 5dB
Gao Feng 37dB 32dB 5dB
It is Jing Yin 22dB 16dB 6dB
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (7)

1. a kind of wall-hanging air conditioner, including case, heat exchanger, blower fan, skeleton and water receiving disc assembly, it is characterised in that described Case is angular case, and the angular case is arranged on skeleton, and the angular case includes integrally formed top panel, below Plate and two side panels, the angle that the top panel connects with lower panel and formed therebetween is between 50 o -90 o, institute To state and air inlet is provided with top panel, air outlet is provided with the lower panel, the skeleton forms wind chamber with water receiving disc assembly, The blower fan is located at the wind intracavitary, and for the heat exchanger between the drip tray and skeleton, the air inlet passes through heat exchange Device is communicated with the wind chamber, and the wind chamber communicates with the air outlet, and drainage air channel is provided with the angular case, described to draw The drainage air inlet in stream air channel is arranged on the bottom of the lower panel, the drainage air outlet in the drainage air channel be arranged on described in go out The bottom in air port;Between the lower panel and the skeleton, the drainage channel is curved channel in the drainage air channel.
2. wall-hanging air conditioner according to claim 1, it is characterised in that the air outlet that drains is towards the air outlet The negative pressure region of bottom.
3. according to the wall-hanging air conditioner described in claim 1-2 any one, it is characterised in that the top panel with it is described under The area ratio of panel is between 0.8-1.2.
4. wall-hanging air conditioner according to claim 3, it is characterised in that the area of the air inlet accounts for plate suqare above More than 80%.
5. according to the wall-hanging air conditioner described in claim 1-2 any one, it is characterised in that the heat exchanger includes intersecting And First Heat Exchanger and the second heat exchanger in a certain angle, one end of the First Heat Exchanger is arranged on drip tray, described One end of second heat exchanger is arranged on skeleton.
6. wall-hanging air conditioner according to claim 5, it is characterised in that the First Heat Exchanger and/or the second heat exchange It is provided with supplementary heat exchanger on device, the supplementary heat exchanger area on the First Heat Exchanger is less than First Heat Exchanger, and described second Supplementary heat exchanger area on heat exchanger is less than the second heat exchanger area.
7. according to the wall-hanging air conditioner described in claim 1-2 any one, it is characterised in that the blower fan center with it is described Angle between air inlet end is more than 60 o.
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