WO2019184509A1

WO2019184509A1 - Outdoor connecting pipe structure and air conditioner indoor unit having same

Info

Publication number: WO2019184509A1
Application number: PCT/CN2018/125028
Authority: WO
Inventors: 傅凯凯; 金海元; 曾庆和; 陈圣文; 曾辉; 林裕亮; 贾飞飞; 刘禾铭; 刘胜辈; 杨春霞; 曾文轩; 王朝新
Original assignee: 珠海格力电器股份有限公司
Priority date: 2018-03-30
Filing date: 2018-12-28
Publication date: 2019-10-03
Also published as: CN110319508B; CN110319508A

Abstract

An outdoor connecting pipe structure and an air conditioner indoor unit having same. The outdoor connecting pipe structure comprises a main pipe body (10) and an insect-proof and rodent-proof hood (30), wherein a first end of the main pipe body (10) is used for communicating with a fresh air inlet and a dirty air outlet of a fresh air device of an air conditioner indoor unit (20), and a second end of the main pipe body (10) is used for communicating with the outdoor atmosphere so as to introduce outdoor fresh air into the fresh air device and discharge dirty air in the fresh air device to the outdoor atmosphere; and the insect-proof and rodent-proof hood (30) is disposed on the second end of the main pipe body (10), and the insect-proof and rodent-proof hood (30) is used for blocking mice or mosquitos from entering the air conditioner indoor unit (20) by means of the main pipe body (10); thus, the foregoing structure may achieve an exchange between the air conditioner indoor unit and outdoor airflow, while being capable of effectively blocking mice and insects from easily entering indoors by means of a fresh air or dirty air passage and affecting the indoor environment. The problem in existing technology is solved in which an outdoor connecting pipe structure easily allows mice and insects to enter indoors.

Description

Outdoor take-over structure and air conditioner indoor unit having the same

Technical field

The present invention relates to the field of air conditioning equipment, and in particular to an outdoor take-over structure and an air conditioner indoor unit having the same.

Background technique

In recent years, due to the rapid development of the economy and the acceleration of urbanization, air pollution has become increasingly serious. The increase in PM2.5 concentration directly leads to frequent ash weather and a large increase in toxic and harmful substances in the fog, which has seriously threatened human health. Under this circumstance, the conventional household comfort air conditioner can no longer meet the needs of people. Health, comfort and environmental protection have become the development goals of modern air conditioners.

For ordinary air conditioners, in order to ensure the air conditioning effect, air-conditioned rooms must be closed. As a result, indoor dust, smoke, bacteria, viruses, and exhaust gases are increasing, oxygen content is continuously decreasing, and air quality is getting worse.

At present, air conditioners with fresh air functions have become popular, and air-conditioning indoor units with fresh air functions need to communicate with the outside to introduce fresh air and discharge the sewage, and the outdoor take-over structure of the existing air-conditioning indoor unit has no corresponding protective measures. In actual work, rats and worms easily enter the room through fresh air or dirty air passages, affecting the indoor environment.

Summary of the invention

The main object of the present invention is to provide an outdoor take-over structure and an air-conditioning indoor unit having the same, so as to at least solve the problem that the outdoor take-over structure in the prior art can easily cause rats and insects to enter the room.

In order to achieve the above object, according to a first aspect of the present invention, an outdoor take-over structure is provided, comprising: a main body, the first end of the main body being connected to a fresh air inlet and a dirty air outlet of the fresh air device of the air conditioner indoor unit, The second end of the main body is configured to communicate with the outdoor atmosphere to introduce fresh outdoor air into the fresh air device and discharge the dirty air in the fresh air device to the outdoor atmosphere; the pest control and mouse cover is disposed on the second end of the main body, and the insect proof is prevented. The mouse cover is used to block rats or mosquitoes from entering the air conditioner indoor unit through the main body.

Further, the pest control mouse cover comprises: a casing; a grille disposed on an outer wall of the casing, wherein the inner cavity of the casing communicates with the outdoor atmosphere through the grille; wherein the second end of the main body and the inner cavity of the casing Connected, the grille is used to block rats or mosquitoes from entering the air conditioner indoor unit.

Further, the main body is provided with a new air channel and a dirty air channel which are isolated from each other, and the first end of the fresh air channel communicates with the fresh air inlet to introduce the fresh air into the fresh air device, and the first end of the dirty air channel and the dirty air The outlet is connected to discharge the dirty air in the fresh air device to the outdoor atmosphere.

Further, the pest control mouse cover further includes: a partition plate disposed in the inner cavity of the casing to partition the inner cavity of the casing into a fresh air chamber communicating with the second end of the fresh air tunnel and the first and the dirt passage The two-end connected dirty air chamber, the fresh air chamber and the dirty air chamber are connected to the outdoor atmosphere through the grille.

Further, the grille includes: a first grille through which the fresh air chamber communicates with the outdoor atmosphere; and a second grille that communicates with the outdoor atmosphere through the second grille.

Further, the first grid and the second grid are disposed on opposite side walls of the housing; wherein the partition is disposed between the first grid and the second grid.

Further, the grid comprises: a plurality of vertical ribs, the plurality of vertical ribs are parallel and spaced apart from each other; the plurality of transverse baffles, the plurality of transverse baffles are parallel and spaced apart from each other, and the plurality of transverse baffles are The vertical ribs intersect vertically.

Further, the insect-proof and mouse-proof cover further comprises: a pipe joint, and the second end of the main body communicates with the inner cavity of the casing through the pipe joint.

Further, the housing comprises: a bottom case, the bottom case has an opening, the grille is disposed on the outer wall of the bottom case; and the cover plate is detachably disposed on the opening of the upper part of the bottom case.

Further, the bottom case includes a first side plate, a second side plate, a third side plate and a bottom plate, and the bottom plate is located at the bottom of the first side plate, the second side plate and the third side plate, the first side plate and the second side The plates are disposed in parallel, and the third side plate is located between the first side plate and the second side plate to connect the first side plate and the second side plate, between the first side plate, the second side plate, the third side plate and the bottom plate Enclosed into an open mouth.

Further, the outdoor take-over structure further comprises: an insect-proof and rat-proof net, which is disposed at the first end of the main body, and the first end of the main body is connected to the fresh air inlet and the dirty air outlet of the fresh air device through the pest control and rat-proof net.

Further, the main body includes: an indoor unit joint disposed at the first end of the main body, the indoor unit joint has a tubular cavity, and the first end of the main body is communicated with the fresh air inlet and the dirty air outlet of the fresh air device through the indoor unit joint; Wherein, the insect-proof and rat-proof net is detachably disposed in the tubular cavity of the indoor unit joint.

According to a second aspect of the present invention, an air conditioning indoor unit is provided, comprising a fresh air device and an outdoor take-over structure. The fresh air device communicates with the outdoor atmosphere through an outdoor take-over structure, and the outdoor take-over structure is an outdoor take-over structure of the above content.

The outdoor take-over structure applying the technical solution of the present invention comprises a main body and an insect proof and mouse-proof cover, the first end of the main body is used for communicating with the air inlet and outlet of the air conditioner indoor unit, and the second end of the main body is used for communicating with the outdoor atmosphere to The outdoor fresh air is introduced into the air-conditioning indoor unit and the dirty air in the air-conditioning indoor unit is discharged to the outdoor atmosphere; the insect-proof and mouse-proof cover is arranged on the second end of the main body, and the insect-proof and mouse-proof cover is used to block the mouse or the mosquito from entering the air-conditioned room through the main body. machine. Therefore, it can not only meet the exchange of the air conditioner indoor unit and the outdoor airflow, but also effectively block the mouse and the insect from easily entering the room through the fresh air or the dirty air passage, thereby affecting the indoor environment. The problem that the outdoor joint structure in the prior art is easy to cause the mouse and the insect to enter the room is solved.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings.

DRAWINGS

The accompanying drawings, which are incorporated in the claims of the claims In the drawing:

1 is a schematic longitudinal cross-sectional structural view of an outdoor take-over structure according to an embodiment of the present invention;

2 is a top plan view showing an alternative outdoor pipe structure according to an embodiment of the present invention;

3 is a schematic structural view of an insect-proof and mouse-proof cover of an outdoor take-over structure according to an embodiment of the present invention;

4 is a side view showing a structure of an outdoor take-over structure according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an indoor unit joint of an outdoor take-over structure according to an embodiment of the present invention; FIG.

6 is a schematic structural view of an insect-proof and rat-proof net of an outdoor take-over structure according to an embodiment of the present invention;

7 is a first perspective view showing a connection structure of an indoor unit joint of an outdoor take-over structure and a fresh air device of an air conditioner indoor unit according to an embodiment of the present invention;

FIG. 8 is a second perspective view showing a connection structure of an indoor unit joint of an outdoor take-over structure and a fresh air device of an air conditioner indoor unit according to an embodiment of the present invention; FIG.

9 is a schematic view showing a third perspective view of a connection structure between an indoor unit joint of an outdoor take-over structure and a fresh air device of an air conditioner indoor unit according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of an indoor unit of an air conditioner according to an embodiment of the present invention.

Wherein, the above figures include the following reference numerals:

10, main body; 11, indoor unit joint; 20, air conditioning indoor unit; 30, insect proof mouse cover; 31, housing; 311, bottom shell; 312, cover; 32, grille; 322, second grid; 323, vertical ribs; 324, transverse baffles; 33, baffles; 34, pipe joints; 40, insect-proof and rat-proof net; 50, sealing rubber ring; 60, damper assembly .

detailed description

It should be noted that the embodiments in the present invention and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is an embodiment of the invention, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

The outdoor take-over structure according to the embodiment of the present invention, as shown in FIG. 1 , FIG. 2 and FIG. 10 , includes: a main body 10 and an insect proof mouse cover 30 , and the first end of the main body 10 is used for fresh air with the air conditioner indoor unit 20 . The fresh air inlet of the device is connected to the dirty air outlet, and the second end of the main body 10 is configured to communicate with the outdoor atmosphere to introduce the fresh air into the fresh air device and discharge the dirty air in the fresh air device to the outdoor atmosphere; the pest control cover 30 is set On the second end of the main body 10, the insect-proof mouse cover 30 is used to block the entry of the mouse or the mosquito into the air-conditioning indoor unit 20 through the main body 10.

The outdoor take-over structure applying the technical solution of the present invention comprises a main body 10 and an insect proof mouse cover 30. The first end of the main body 10 is used for communicating with the air inlet and outlet of the air conditioner indoor unit 20, and the second end of the main body 10 is used for The outdoor atmosphere is connected to introduce the outdoor fresh air into the air-conditioning indoor unit 20 and discharge the dirty air in the air-conditioning indoor unit 20 to the outdoor atmosphere; the insect-proof mouse cover 30 is disposed on the second end of the main body 10, and the insect-proof mouse cover 30 is used for The mouse or the mosquito is blocked from entering the air conditioner indoor unit 20 through the main body 10. Therefore, the air conditioner indoor unit 20 can be exchanged with the outdoor airflow, and the mouse and the bug can be effectively blocked from entering the room through the fresh air or the dirty air passage, thereby affecting the indoor environment. The problem that the outdoor joint structure in the prior art is easy to cause the mouse and the insect to enter the room is solved.

In a specific implementation, the main body 10 is internally provided with a new air channel and a dirty air channel, and the first end of the fresh air channel is connected with the fresh air inlet to introduce the fresh air into the fresh air device, and the first end of the sewage channel is The dirty air outlet is connected to discharge the dirty air in the fresh air device to the outdoor atmosphere.

As shown in FIG. 3, the insect-proof mouse cover 30 includes a casing 31, a grille 32 and a partition 33; the grill 32 is disposed on the outer wall of the casing 31, and the inner cavity of the casing 31 communicates with the outdoor atmosphere through the grill 32. Wherein, the second end of the main body 10 is in communication with the inner cavity of the housing 31, and the grille 32 is for blocking the entry of the mouse or the mosquito into the air conditioner indoor unit 20. A partition 33 is disposed in the inner cavity of the housing 31 to partition the inner cavity of the housing 31 into a fresh air chamber communicating with the second end of the fresh air tunnel and a dirty air chamber communicating with the second end of the dirty air passage The fresh air chamber and the dirty air chamber are connected to the outdoor atmosphere through the grille.

Specifically, the grille 32 includes a first grill 321 and a second grill 322 through which the fresh air chamber communicates with the outdoor atmosphere; the dirt chamber communicates with the outdoor atmosphere through the second grill 322. Thereby, the fresh air is introduced into the fresh air chamber through the first grill 321 and the fresh air is introduced into the fresh air inlet of the fresh air device of the air conditioner indoor unit 20 through the fresh air passage of the main body 10; the dirty air in the fresh air device of the air conditioner indoor unit 20 passes through the main air The dirty air passage of the body 10 is transported to the dirty air chamber of the pest control mouse cover 30 and discharged to the atmosphere through the second grill 322.

Further, the first grating 321 and the second grating 322 are disposed on opposite side walls of the casing 31; wherein the partition 33 is disposed between the first grating 321 and the second grating 322.

Further, the grille 32 includes a plurality of vertical ribs 323 and a plurality of transverse baffles 324, and the plurality of vertical ribs 323 are parallel and spaced apart from each other; the plurality of transverse baffles 324 are parallel and spaced apart from each other, and a plurality of laterally The baffle 324 vertically intersects the plurality of vertical ribs 323 to form a lattice structure. Further, the lateral baffle 324 has an inner side edge facing the inner cavity of the housing 31 and an outer side edge facing the outdoor atmosphere; wherein the outer side edge has a lower height than the inner side edge. That is, each of the lateral baffles 324 is inclined at an angle toward the outdoor atmosphere side, thereby preventing rainwater from entering the inner cavity of the casing 31.

Further, the insect-proof mouse cover 30 further includes a pipe joint 34 having a tubular cavity, the tubular cavity being separated into two independent channels by the separation plate, and the two independent channels respectively and the casing The fresh air chamber and the dirty air chamber in 31 are respectively connected, the second end of the main body 10 is connected with the pipe joint 34, and the fresh air channel and the dirty air channel of the main body 10 are respectively independent from the pipe joint 34. The channels are in communication to communicate with the fresh air chamber and the dirty air chamber, respectively.

Further, the housing 31 includes a bottom case 311 including a first side panel, a second side panel, a third side panel, and a bottom plate 312, and the bottom plate is located at the first side panel, the second side panel, and the third panel a bottom side of the side panel, the first side panel and the second side panel are disposed in parallel, and the third side panel is located between the first side panel and the second side panel to connect the first side panel and the second side panel, the first side panel, The second side panel, the third side panel and the bottom panel are surrounded by an opening. The first grille 321 and the second grille 322 are respectively disposed on the first side plate and the second side plate, and the pipe joint 34 is disposed on the third side plate. The cover plate 312 is detachably covered on the opening of the upper portion of the bottom case 311 so as to facilitate opening of the inner cavity of the housing 31 to clean impurities inside.

In order to prevent mosquitoes from entering the fresh air device of the air conditioner indoor unit 20, further, as shown in FIG. 1, FIG. 4 and FIG. 5, the outdoor take-over structure further includes an insect proof and anti-mouse net 40, and the insect-proof and anti-mouse net 40 is disposed in the main body 10 At one end, the first end of the main body 10 communicates with the fresh air inlet and the dirty air outlet of the fresh air device through the pest control net 40.

Specifically, as shown in FIGS. 7 to 9, the main body 10 includes an indoor unit joint 11, the indoor unit joint 11 is disposed at a first end of the main body 10, and the indoor unit joint 11 has a tubular passage, and the main body 10 is first. The end is connected to the fresh air inlet and the dirty air outlet of the fresh air device of the air conditioner indoor unit 20 through the indoor unit joint 11; the indoor unit joint 11 is provided with a card slot structure extending into the tubular passage, as shown in FIG. The anti-mouse net 40 is provided with a buckle structure, and the insect-proof and anti-mouse net 40 is detachably inserted into the card slot structure and clamped by the buckle structure, and the cross section of the insect-proof and anti-mouse net 40 is installed and the tubular cavity Parallelly, a sealing rubber ring 50 is provided on one side of the insect-proof and anti-mouse net 40, and the sealing rubber ring 50 seals the edge of the insect-proof net-proof net 40 with the inner wall of the tubular cavity of the indoor unit joint 11.

In addition, in order to control the on/off of the air conditioner indoor unit and the outdoor atmosphere according to the quality of the indoor air, a damper assembly 60 is further provided in the tubular passage of the indoor unit joint 11, and when the indoor air quality is relatively good, the control is performed. The damper assembly 60 shuts off the tubular cavity of the indoor unit connector 11, thereby isolating the air conditioning indoor unit from the outdoor atmosphere, and the air conditioning indoor unit operates in an inner circulation mode; when the indoor air quality is poor, the control damper assembly 60 will The tubular cavity of the indoor unit joint 11 is opened, so that the air conditioner indoor unit communicates with the outdoor atmosphere, the fresh air device operates normally, and the air conditioner indoor unit operates in the outer circulation mode.

An outdoor take-over structure in accordance with an embodiment of the present invention. The outdoor take-up structure is composed of a pest control mouse cover 30, a damper assembly 60, and a main body 10. The main body 10 is connected to the outdoor insect-proof mouse cover 30 and the fresh air device of the indoor air-conditioning indoor unit 20 through the wall. The outdoor fresh air enters the fresh air inlet of the fresh air device entering the air conditioning indoor unit 20 along the fresh air passage of the main body 10 from the first grill 321 of the insect proof rat cover 30, and the dirty wind in the fresh air device flows along the stain of the main body 10. The lumen thus exits the second grid 322 of the pest control mouse cover 30.

The insect proof mouse cover 30 includes a housing 31 composed of a cover plate 312 and a bottom case 311. The cover plate 312 is coupled to the bottom case 311 by a screw. The cover plate 312 has a cover flange in the middle. The bottom cover 311 is provided with a first grille 321 and a second grille 322. The first grille 321 and the second grille are disposed. A partition 33 is disposed between the 322. The partition 33 separates the fresh air from the dirty air, and the cover flange is sealed with the partition 33 so that the dirty air is discharged from the second grill 322, and the fresh air enters through the first grill 321 .

The first grille 321 and the second grille 322 are identical in structure, and have a plurality of vertical ribs 323 and a plurality of transverse baffles 324. The lateral baffles 324 are directed downward to allow rainwater to drip along the transverse baffle 324. In conjunction with the reinforcing vertical rib 323, the mouse cannot enter. The bottom case 311 is fixed to the wall by screws.

The insect-proof and anti-mouse net 40 is installed in the tubular cavity of the indoor unit joint 11 and is fixed to the slot structure of the indoor unit joint 11 by snapping, and then the sealing rubber ring 50 is installed in the tubular cavity of the indoor unit joint 11 to prevent insects. The rat-proof net 40 can block insects coming in from outside. The indoor unit joint 11 is rotated into the joint of the base of the air conditioner indoor unit 20, and the indoor unit joint 11 is not easily taken out by the snap. When it is necessary to replace and clean the insect-proof rod-proof net 40, the indoor unit joint 11 is rotated counterclockwise, the indoor unit joint 11 is released, the sealing rubber ring 50 is removed, and the insect-proof and anti-mouse net 40 is removed for cleaning. Insect-proof and rat-proof nets 40 grid-like holes prevent insects and mice from entering the room. The pest control net 40 can use a wire mesh or a hard mesh of other materials.

According to a second aspect of the present invention, as shown in FIG. 10, an air conditioning indoor unit 20 is provided, including a fresh air device and an outdoor take-over structure. The outdoor take-over structure includes a main body 10 and an insect proof mouse cover 30, and the fresh air device is externally taken over. The structure is in communication with the outdoor atmosphere, and the outdoor take-over structure is the outdoor take-over structure of the above embodiment. The air conditioner indoor unit 20 of the outdoor take-over structure of the above embodiment can not only exchange the air conditioner indoor unit 20 with the outdoor airflow, but also effectively block the mouse and the insect from easily entering the room through the fresh air or the dirty air passage, thereby affecting the indoor environment. The problem that the outdoor joint structure in the prior art is easy to cause the mouse and the insect to enter the room is solved.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

An outdoor take-over structure, comprising:

a main body (10), the first end of the main body (10) is for communicating with a fresh air inlet and a dirty air outlet of the fresh air device of the air conditioner indoor unit (20), and the second end of the main body (10) is used And communicating with the outdoor atmosphere to introduce outdoor fresh air into the fresh air device and discharging the dirty air in the fresh air device to the outdoor atmosphere;

An insect-proof mouse cover (30) disposed on the second end of the main body (10), the insect-proof mouse cover (30) for blocking a mouse or a mosquito from entering the air conditioner through the main body (10) Indoor unit (20).
The outdoor take-over structure according to claim 1, wherein the insect-proof mouse cover (30) comprises:

Housing (31);

a grille (32) disposed on an outer wall of the casing (31), the inner cavity of the casing (31) communicating with the outdoor atmosphere through the grille (32);

Wherein, the second end of the main body (10) is in communication with the inner cavity of the casing (31), and the grille (32) is for blocking the entry of a mouse or a mosquito into the air conditioning indoor unit (20).
The outdoor joint structure according to claim 2, wherein the main body (10) is internally provided with a new wind channel and a dirty air channel, the first end of the fresh air channel and the fresh air The inlet is connected to introduce outdoor fresh air into the fresh air device, and the first end of the dirt channel communicates with the sewage outlet to discharge the dirty air in the fresh air device to the outdoor atmosphere.
The outdoor take-over structure according to claim 3, wherein the insect-proof mouse cover (30) further comprises:

a partition (33) disposed in the inner cavity of the casing (31) to partition the inner cavity of the casing (31) into a fresh air chamber and a communicating with the second end of the fresh air tunnel A sewage chamber communicating with the second end of the fouling air passage, the fresh air chamber and the dirty air chamber are both in communication with the outdoor atmosphere through the grille.
The outdoor takeover structure of claim 4 wherein said grille (32) comprises:

a first grating (321), the fresh air chamber is in communication with the outdoor atmosphere through the first grating (321);

A second grid (322), the dirt chamber is in communication with the outdoor atmosphere through the second grid (322).
The outdoor joint structure according to claim 5, wherein the first grating (321) and the second grating (322) are disposed on opposite side walls of the casing (31) ;

Wherein the partition (33) is disposed between the first grating (321) and the second grating (322).
The outdoor takeover structure of claim 2, wherein the grille (32) comprises:

a plurality of vertical ribs (323), and the plurality of vertical ribs (323) are parallel to each other and spaced apart;

A plurality of lateral baffles (324), a plurality of the lateral baffles (324) are parallel and spaced apart from each other, and the plurality of lateral baffles (324) vertically intersect the plurality of the vertical ribs (323).
The outdoor take-over structure according to claim 2, wherein the insect-proof mouse cover (30) further comprises:

A tubular body (34), the second end of the main body (10) is in communication with the inner cavity of the casing (31) through the tubular joint (34).
The outdoor joint structure according to claim 2, wherein the casing (31) comprises:

a bottom case (311), the bottom case (311) has an opening, and the grille (32) is disposed on an outer wall of the bottom case (311);

A cover plate (312) is detachably mounted on the opening of the upper portion of the bottom case (311).
The outdoor joint structure according to claim 9, wherein the bottom case (311) comprises a first side plate, a second side plate, a third side plate and a bottom plate, and the bottom plate is located at the first side plate a bottom of the second side panel and the third side panel, the first side panel and the second side panel are disposed in parallel, and the third side panel is located at the first side panel and the first side panel Between the two side plates to connect the first side plate and the second side plate, and the first side plate, the second side plate, the third side plate and the bottom plate are enclosed Said the opening.
The outdoor take-over structure according to claim 1, wherein the outdoor take-over structure further comprises:

An insect-proof rodent net (40) disposed at a first end of the main body (10), the first end of the main body (10) passing through the pest control net (40) and the fresh air inlet of the fresh air device The dirty air outlet is connected.
The outdoor joint structure according to claim 11, wherein the main body (10) comprises:

An indoor unit joint (11) disposed at a first end of the main body (10), the indoor unit joint (11) having a tubular passage, and the first end of the main body (10) passing through the indoor unit joint ( 11) communicating with the fresh air inlet and the sewage outlet of the fresh air device;

Wherein, the insect-proof rodent net (40) is detachably disposed in the tubular cavity of the indoor unit joint (11).
An air conditioning indoor unit comprising a fresh air device and an outdoor take-over structure, wherein the fresh air device communicates with the outdoor atmosphere through the outdoor take-over structure, wherein the outdoor take-over structure is any one of claims 1 to 12 Outdoor takeover structure.