CN110986173A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN110986173A CN110986173A CN201911229256.9A CN201911229256A CN110986173A CN 110986173 A CN110986173 A CN 110986173A CN 201911229256 A CN201911229256 A CN 201911229256A CN 110986173 A CN110986173 A CN 110986173A
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- fresh air
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- 230000007704 transition Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 15
- 238000004378 air conditioning Methods 0.000 description 38
- 230000037081 physical activity Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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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
- F24F13/02—Ducting arrangements
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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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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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
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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
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention provides an indoor unit of an air conditioner, which comprises a casing and a fresh air device, wherein the fresh air device is arranged in the casing so as to introduce outdoor fresh air into a room through the fresh air device; the air conditioner comprises a shell, a fresh air inlet, a fresh air outlet, an air conditioner air inlet and an air conditioner air outlet, wherein the shell is provided with the fresh air inlet, the fresh air outlet, the air conditioner air inlet and the air conditioner air outlet; indoor wind entering the fresh air channel and fresh air are converged in the fresh air channel to form converged fresh air, and the indoor wind and the fresh air in the fresh air channel exchange heat in a converging process, so that the temperature of the fresh air in the fresh air channel is increased. Therefore, the temperature difference between the fresh air and the indoor environment is reduced, the fresh air conveyed to the indoor space is relatively close to the temperature of the indoor environment, and the human body comfort of the indoor air conditioner can be improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an indoor unit of an air conditioner.
Background
With the increasing living standard, people have higher and higher requirements for indoor environment, and air conditioners capable of performing heat and humidity treatment have been widely used. The traditional air conditioner adjusts the air temperature in the closed environment, harmful gases and biological pollutants can not be reasonably converted and diluted in the closed environment for a long time, the contents of carbon dioxide, VOCs and the like are seriously exceeded, the indoor air quality is deteriorated, and the so-called 'air conditioning disease' is caused.
Therefore, the household air conditioner user has higher requirements on the indoor fresh air and has greater attention to the indoor air quality and the supply index of the fresh air.
At present, air-conditioning indoor units with fresh air structures have been introduced in the market. However, the temperature difference between the fresh air delivered by the existing air conditioner indoor unit and the indoor environment temperature generally exists, so that the comfort of indoor human bodies is poor.
Disclosure of Invention
The invention mainly aims to provide an air conditioner indoor unit, which aims to solve the problem that the prior air conditioner indoor unit is poor in human body comfort.
In order to achieve the aim, the invention provides an indoor unit of an air conditioner, which comprises a casing and a fresh air device, wherein the fresh air device is arranged in the casing so as to introduce outdoor fresh air into a room through the fresh air device; the air conditioner comprises a shell, a fan motor; a fresh air channel is formed between the fresh air inlet and the fresh air outlet, an air conditioning air channel is formed between the air conditioning air inlet and the air conditioning air outlet, and the air conditioning air inlet is communicated with the fresh air channel.
Furthermore, the distance between the hole center line of the fresh air outlet and the bottom end face of the machine shell is less than or equal to one fifth of the height of the machine shell.
Further, the distance between the hole center line of the air outlet of the air conditioner and the top end face of the machine shell is less than or equal to one third of the height of the machine shell.
Furthermore, the air inlet of the air conditioner is a strip-shaped opening and extends along the height direction of the shell; along the height direction of the machine shell, the length of the air inlet of the air conditioner is larger than or equal to one half of the height of the machine shell.
Furthermore, the fresh air inlet is located at the lower end of the casing, and the air conditioner inlet is located above the fresh air inlet.
Furthermore, the distance between the hole center line of the fresh air inlet and the bottom end face of the machine shell is less than or equal to one fifth of the height of the machine shell.
Furthermore, the distance between the hole center line of the air inlet of the air conditioner and the hole center line of the fresh air inlet is smaller than or equal to half of the height of the machine shell.
Furthermore, the fresh air channel comprises a fresh air channel section and a mixed air channel section, the fresh air channel section is communicated with a fresh air inlet, the air conditioner air inlet is communicated with the mixed air channel section, and a filtering device is arranged in the mixed air channel section so as to filter the merged fresh air and indoor air in the fresh air channel.
Furthermore, a fresh air door is arranged at the position of the fresh air inlet so as to control the amount of fresh air entering the mixed air channel by controlling the opening and closing state and the opening and closing degree of the fresh air door.
Furthermore, the fresh air device comprises a fresh air fan which is arranged in the fresh air channel so that outdoor fresh air enters the fresh air channel from the fresh air inlet.
Furthermore, the fresh air device is also provided with a transition air channel which is communicated with the air inlet of the air conditioner and the fresh air channel, so that indoor air entering from the air inlet of the air conditioner enters the fresh air channel through the transition air channel.
By applying the technical scheme of the invention, the indoor unit of the air conditioner comprises a shell and a fresh air device, wherein the fresh air device is arranged in the shell so as to introduce outdoor fresh air into a room through the fresh air device; the air conditioner comprises a shell, a fan motor; a fresh air channel is formed between the fresh air inlet and the fresh air outlet, namely the fresh air inlet and the fresh air outlet are both communicated with the fresh air channel, and outdoor fresh air entering from the fresh air inlet can enter the fresh air channel; an air-conditioning air channel is formed between the air-conditioning air inlet and the air-conditioning air outlet, the air-conditioning air inlet is communicated with the fresh air channel, namely at least part of indoor air entering from the air-conditioning air inlet can enter the fresh air channel; indoor wind entering the fresh air channel and fresh air are converged in the fresh air channel to form converged fresh air, and the indoor wind and the fresh air in the fresh air channel are subjected to heat exchange in a converging process, so that the temperature of the fresh air in the fresh air channel is increased, and the converged fresh air is conveyed indoors through the fresh air outlet. Therefore, the temperature difference between the fresh air and the indoor environment is reduced, the fresh air conveyed to the indoor space is relatively close to the temperature of the indoor environment, the human body comfort of the indoor air conditioner can be improved, and the problem that the human body comfort of the indoor air conditioner in the prior art is poor is solved. In addition, the air-conditioning indoor unit adopts an air supply mode of supplying fresh air from the lower side, and can effectively convey the fresh air to the indoor lower space, namely the human body activity area, so as to improve the indoor air quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a front view of an air conditioning indoor unit according to an embodiment of the air conditioning indoor unit of the present invention;
fig. 2 shows a rear view of the air conditioning indoor unit of fig. 1;
fig. 3 shows a top view of the air conditioning indoor unit of fig. 1;
fig. 4 shows a cross-sectional view at a-a of the air conditioning indoor unit in fig. 3; and
fig. 5 shows an airflow flow diagram of the air conditioning indoor unit of fig. 1.
Wherein the figures include the following reference numerals:
10. a housing; 30. a fresh air outlet; 31. a fresh air inlet; 32. a fresh air door; 35. a fresh air fan; 33. a fresh air channel; 34. a filtration device; 36. a transition air duct; 40. an air inlet of an air conditioner; 20. an air outlet of the air conditioner; 50. an evaporator; 60. an air-conditioning fan.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention provides an indoor unit of an air conditioner, please refer to fig. 1 to 5, the indoor unit of the air conditioner comprises a casing 10 and a fresh air device, wherein the fresh air device is arranged in the casing 10 to introduce outdoor fresh air into a room through the fresh air device; the fresh air outlet 30 is positioned at the lower end of the casing 10, and the air conditioner outlet 20 is positioned at the upper end of the casing 10; a fresh air channel 33 is formed between the fresh air inlet 31 and the fresh air outlet 30, an air conditioning air channel is formed between the air conditioning inlet 40 and the air conditioning outlet 20, and the air conditioning inlet 40 is communicated with the fresh air channel 33.
In the air-conditioning indoor unit, the air-conditioning air inlet 40 is communicated with the fresh air channel 33, namely, at least part of indoor air entering from the air-conditioning air inlet 40 can enter the fresh air channel 33; form new trend passageway 33 between new trend air intake 31 and the new trend air outlet 30, new trend air intake 31 and new trend air outlet 30 all communicate with new trend passageway 33 promptly, outdoor new trend that gets into by new trend air intake 31 can get into new trend passageway 33 in, the indoor wind that gets into in new trend passageway 33 and new trend confluence formation confluence new trend in new trend passageway 33, the indoor wind and the new trend in new trend passageway 33 carry out the heat exchange at confluence in-process, this temperature that makes the new trend in new trend passageway 33 risees, and the new trend after the confluence is carried to indoor by new trend air outlet 30. Therefore, the temperature difference between the fresh air and the indoor environment is reduced, the fresh air conveyed to the indoor space is relatively close to the temperature of the indoor environment, the human body comfort of the indoor air conditioner can be improved, and the problem that the human body comfort of the indoor air conditioner in the prior art is poor is solved. In addition, the air-conditioning indoor unit adopts an air supply mode of supplying fresh air from the lower side, and can effectively convey the fresh air to the indoor lower space, namely the human body activity area, so as to improve the indoor air quality.
In the specific implementation process, when the indoor unit of the air conditioner operates, the indoor air pressure can be larger than the outdoor air pressure, and at least part of indoor air can be discharged through gaps of buildings (doors, windows, flues and sewage channels) under the action of the indoor pressure so as to discharge part of indoor dirty air. The air conditioner indoor unit has the advantages of small structure volume and small occupied space.
In the specific implementation process, the distance between the hole center line of the fresh air outlet 30 and the bottom end face of the casing 10 is less than or equal to one fifth of the height of the casing 10.
In the specific implementation process, the distance between the hole center line of the air-conditioning outlet 20 and the top end surface of the casing 10 is less than or equal to one third of the height of the casing 10.
Specifically, the air inlet 40 is a strip-shaped opening, and the air inlet 40 extends along the height direction of the casing 10; the length of the air-conditioning inlet 40 is greater than or equal to one-half of the height of the cabinet 10 in the height direction of the cabinet 10.
Specifically, the fresh air inlet 31 is located at the lower end of the casing 10, and the air conditioner inlet 40 is located above the fresh air inlet 31.
In the specific implementation process, the distance between the hole center line of the fresh air inlet 31 and the bottom end face of the casing 10 is less than or equal to one fifth of the height of the casing 10.
In the specific implementation process, the distance between the hole center line of the air conditioner air inlet 40 and the hole center line of the fresh air inlet 31 is less than or equal to one half of the height of the casing 10.
In the specific implementation process, the fresh air channel 33 comprises a fresh air channel section and a mixed air channel section, the air conditioner air inlet 40 is communicated with the mixed air channel section, the first end of the fresh air channel section is used for being communicated with the fresh air inlet 31, the second end of the fresh air channel section is communicated with the first end of the mixed air channel section, and the second end of the mixed air channel section is used for being communicated with the fresh air outlet 30, namely, fresh air entering from the fresh air inlet 31 firstly passes through the fresh air channel section and then enters the mixed air channel section; optionally, the new air duct section and the mixed air duct section both extend in the horizontal direction, and a pipe axis of the new air duct section coincides with a pipe axis of the mixed air duct section.
Specifically, the filtering device 34 is disposed in the mixed air duct section to filter the merged fresh air and the indoor air in the fresh air duct 33, i.e., the filtering device 34 is used to filter out impurities in the merged fresh air, so as to prevent the impurities in the merged fresh air from entering the room and being breathed by the human body, thereby causing harm to the human body. Optionally, the filter device 34 is a filter screen.
Specifically, a fresh air door 32 is disposed at the fresh air inlet 31 to control the amount of fresh air entering the fresh air channel 33 by controlling the opening and closing state and the opening and closing degree of the fresh air door 32. Optionally, the fresh air door 32 has a conduction opening, and the amount of fresh air entering the fresh air channel 33 is controlled by controlling the size of the conduction opening, that is, when the fresh air door 32 is in a closed state, the conduction opening is in a closed state, and no fresh air enters the fresh air channel 33; when the new trend air door 32 was opened, the conduction port was open state, and new trend passageway 33 and outdoor be the conduction state, and outdoor new trend can get into in new trend passageway 33, and further, according to the difference of required new trend volume, makes the conduction port be in the open state of different degrees, and then makes the size difference that switches on the space to this new trend volume that gets into in new trend passageway 33 is controlled.
In order to make outdoor new trend can get into new trend passageway 33 via new trend air intake 31, the new trend device includes new trend fan 35, and new trend fan 35 sets up in new trend passageway 33 to make outdoor new trend get into new trend passageway 33 by new trend air intake 31.
Specifically, the fresh air device further has a transition air duct 36, and the transition air duct 36 is communicated with both the air inlet 40 and the fresh air channel 33, so that the indoor air entering from the air inlet 40 enters the fresh air channel 33 through the transition air duct 36. Optionally, the transition duct 36 extends in a vertical direction.
In the specific implementation process, the indoor unit of the air conditioner further comprises an evaporator 50, wherein the evaporator 50 is arranged in the casing 10, so that indoor air enters the casing 10 from the air conditioner air inlet 40, and most of indoor air entering the casing exchanges heat through the evaporator 50 to form air-conditioning air which is sent to the indoor from the air conditioner air outlet 20; optionally, the evaporator 50 is disposed at an upper end of the inner cavity of the cabinet 10.
In a specific implementation process, the indoor unit of the air conditioner further includes an air conditioner fan 60, and the air conditioner fan 60 is disposed opposite to the air conditioner air inlet 40, so that indoor air enters the casing 10 through the air conditioner air inlet 40.
In the specific implementation process, the fresh air outlet 30 and the air conditioner outlet 20 are disposed on the front panel of the casing 10, the air conditioner inlet 40 is disposed on the rear panel of the casing 10, and the fresh air inlet 31 is disposed on the side panel of the casing 10. Optionally, the air conditioner inlet 40 is also a return air inlet of the indoor unit of the air conditioner.
In the specific implementation process, the indoor unit of the air conditioner further comprises an air inlet pipe, one end of the air inlet pipe is communicated with the fresh air inlet 31, the other end of the air inlet pipe penetrates through the indoor wall to extend to the outside so as to be communicated with the outside, and the outdoor fresh air enters the fresh air channel 33 through the air inlet pipe.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
in the air-conditioning indoor unit, the air-conditioning indoor unit comprises a shell 10 and a fresh air device, wherein the fresh air device is arranged in the shell 10 so as to introduce outdoor fresh air into a room through the fresh air device; the fresh air outlet 30 is positioned at the lower end of the casing 10, and the air conditioner outlet 20 is positioned at the upper end of the casing 10; a fresh air channel 33 is formed between the fresh air inlet 31 and the fresh air outlet 30, namely, the fresh air inlet 31 and the fresh air outlet 30 are both communicated with the fresh air channel 33, and outdoor fresh air entering from the fresh air inlet 31 can enter the fresh air channel 33; an air-conditioning air channel is formed between the air-conditioning air inlet 40 and the air-conditioning air outlet 20, the air-conditioning air inlet 40 is communicated with the fresh air channel 33, namely at least part of indoor air entering from the air-conditioning air inlet 40 can enter the fresh air channel 33; indoor wind entering the fresh air channel 33 and fresh air are converged in the fresh air channel 33 to form converged fresh air, and the indoor wind and the fresh air in the fresh air channel 33 are subjected to heat exchange in the converging process, so that the temperature of the fresh air in the fresh air channel 33 is increased, and the converged fresh air is conveyed indoors through the fresh air outlet 30. Therefore, the temperature difference between the fresh air and the indoor environment is reduced, the fresh air conveyed to the indoor space is relatively close to the temperature of the indoor environment, the human body comfort of the indoor air conditioner can be improved, and the problem that the human body comfort of the indoor air conditioner in the prior art is poor is solved. In addition, the air-conditioning indoor unit adopts an air supply mode of supplying fresh air from the lower side, and can effectively convey the fresh air to the indoor lower space, namely the human body activity area, so as to improve the indoor air quality.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An indoor unit of an air conditioner, comprising:
a housing (10);
the fresh air device is arranged in the shell (10) so as to introduce outdoor fresh air into the room through the fresh air device;
the fresh air inlet (31), the fresh air outlet (30), the air conditioner inlet (40) and the air conditioner outlet (20) are arranged on the machine shell (10), the fresh air outlet (30) is located at the lower end of the machine shell (10), and the air conditioner outlet (20) is located at the upper end of the machine shell (10); fresh air intake (31) with form fresh air passageway (33) between fresh air outlet (30), air conditioner air intake (40) with form air conditioner air passageway between air conditioner air outlet (20), air conditioner air intake (40) with fresh air passageway (33) intercommunication.
2. The indoor unit of claim 1, wherein the distance between the hole center line of the fresh air outlet (30) and the bottom end surface of the casing (10) is less than or equal to one fifth of the height of the casing (10).
3. The indoor unit of claim 1, wherein a distance between a hole center line of the air outlet (20) and a top end surface of the casing (10) is less than or equal to one third of a height of the casing (10).
4. The indoor unit of claim 1, wherein the air inlet (40) is a strip-shaped opening, and the air inlet (40) extends along the height direction of the casing (10); the length of the air conditioner air inlet (40) is larger than or equal to one half of the height of the machine shell (10) along the height direction of the machine shell (10).
5. The indoor unit of claim 1, wherein the fresh air intake opening (31) is located at a lower end of the casing (10), and the air conditioner intake opening (40) is located above the fresh air intake opening (31).
6. The indoor unit of claim 5, wherein the distance between the hole center line of the fresh air inlet (31) and the bottom end surface of the casing (10) is less than or equal to one fifth of the height of the casing (10).
7. The indoor unit of claim 5, wherein a distance between a hole center line of the air inlet (40) and a hole center line of the fresh air inlet (31) is less than or equal to half of a height of the casing (10).
8. The indoor unit of claim 1, wherein the fresh air channel (33) comprises a fresh air channel section and a mixed air channel section, the fresh air channel section is used for communicating with the fresh air inlet (31), the air conditioner inlet (40) is communicated with the mixed air channel section, and a filtering device (34) is arranged in the mixed air channel section to filter the merged fresh air and indoor air in the fresh air channel (33).
9. The indoor unit of air conditioner as claimed in claim 1, wherein a fresh air damper (32) is disposed at the fresh air inlet (31) to control the amount of fresh air entering the fresh air channel (33) by controlling the opening and closing state and the opening and closing degree of the fresh air damper (32).
10. An indoor unit for an air conditioner according to claim 1, wherein the fresh air device includes:
fresh air fan (35), fresh air fan (35) set up in fresh air passageway (33) to make outdoor new trend by fresh air intake (31) gets into fresh air passageway (33).
11. The indoor unit of claim 1, wherein the fresh air device further has a transition air duct (36), and the transition air duct (36) is communicated with both the air inlet (40) and the fresh air channel (33), so that the indoor air entering from the air inlet (40) enters the fresh air channel (33) through the transition air duct (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229256.9A CN110986173A (en) | 2019-12-04 | 2019-12-04 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229256.9A CN110986173A (en) | 2019-12-04 | 2019-12-04 | Indoor unit of air conditioner |
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| CN110986173A true CN110986173A (en) | 2020-04-10 |
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| CN201911229256.9A Pending CN110986173A (en) | 2019-12-04 | 2019-12-04 | Indoor unit of air conditioner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425944A (en) * | 2020-04-14 | 2020-07-17 | 宁波奥克斯电气股份有限公司 | Fresh air conditioning system and control method thereof |
| CN112212407A (en) * | 2020-10-27 | 2021-01-12 | Tcl空调器(中山)有限公司 | Air conditioner indoor unit and air conditioner |
| CN112413734A (en) * | 2020-12-02 | 2021-02-26 | 珠海格力电器股份有限公司 | Fresh air conditioner indoor unit, control method and control device thereof and air conditioner fresh air system |
| CN112902378A (en) * | 2021-02-10 | 2021-06-04 | 珠海格力电器股份有限公司 | Control system of air conditioner |
| CN113803791A (en) * | 2021-10-09 | 2021-12-17 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, air conditioner and air conditioner control method |
| CN115059977A (en) * | 2022-07-11 | 2022-09-16 | 珠海格力电器股份有限公司 | Fresh air structure, air conditioning device and fresh air conditioning method |
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