WO2019214350A1

WO2019214350A1 - Fresh air pipe connector and fresh air conditioner using same

Info

Publication number: WO2019214350A1
Application number: PCT/CN2019/079085
Authority: WO
Inventors: 于兆志; 于明基; 徐永伟; 赵继斌
Original assignee: 青岛海尔空调器有限总公司
Priority date: 2018-05-08
Filing date: 2019-03-21
Publication date: 2019-11-14
Also published as: CN108518833A

Abstract

A fresh air pipe connector (10) and a fresh air conditioner using same. The fresh air pipe connector (10) comprises: a tubular connecting part (110), an air inlet part (120), and an air guide part (130); the tubular connecting part (110) comprises a first connecting end (110A) and a second connecting end (110B) which are in a coaxial direction of the tubular connecting part; the air inlet part (120) is connected to the second connecting end (110B); one end of the air guide part (130) is connected to the first connecting end (110A), and the other end thereof is communicated with a fresh air inlet pipe (21); a waterproof part is arranged at the connecting position of the first connecting end (110A) and the second connecting end (110B) along the axial direction and is used for preventing liquid water from entering the fresh air inlet pipe (21) along with fresh air.

Description

New air pipe joint and fresh air conditioner using same

Technical field

The invention relates to the technical field of air conditioners, in particular to a new air duct joint and a fresh air conditioner using the same.

Background technique

Air conditioners are widely used household appliances. They generally have heating and cooling functions. When the ambient temperature is too low or too high, the temperature of the indoor air is adjusted to provide a suitable indoor environment for the user. The quality of life of the user.

However, since the current air conditioner only heats or cools the indoor air during heating or cooling, and at the same time, the user closes the room door at the same time in order to maintain the indoor temperature, so that the indoor air quality is Will gradually deteriorate, which will adversely affect the user's health. In particular, air pollution has intensified in recent years, especially during the heating season in winter, people are more reluctant to open windows, so that the indoor air quality will become worse and worse, and the oxygen content will be lower and lower, which will affect the health of the body.

At present, due to the increasingly dirty environment, the fresh air system is becoming more and more popular. Because the fresh air inlet pipe needs to reach the outdoor side, the air inlet of the new air duct is exposed to the outdoor air, so that if there is rainy weather, there will be rainwater flowing along. The risk of entering the air duct at the same time, at the same time, some air inlet ducts, because of the larger diameter, smaller volume of mosquitoes, birds also have the possibility of entering the pipeline.

In the prior art, a part of the fresh air intake pipe joint is used to reduce the wind resistance of the inlet air, and the grid has a large aperture, which does not function to block flying insects or flying birds; while the other part considers waterproofing, the installation angle is high. Once the angle is shifted, it is easy to cause rainwater inflow.

Summary of the invention

It is an object of the present invention to provide a new air duct joint to address at least some of the deficiencies of the prior art.

It is a further object of the present invention to provide a dual waterproof structure that prevents rainwater from flowing into the room along the fresh air inlet duct.

Another further object of the invention is to prevent flying insects from entering the fresh air inlet duct.

In particular, the present invention provides a new air duct joint comprising:

a tubular connecting portion including a first connecting end and a second connecting end in a coaxial direction thereof;

An air inlet portion, the air inlet portion is connected to the second connection end, and

a wind guiding portion, one end of the air guiding portion is connected to the first connecting end, and the other end is connected to the fresh air inlet pipe;

The joint between the first connecting end and the second connecting end is provided with a waterproof portion in the axial direction for preventing liquid water from entering the fresh air inlet pipe with fresh air.

Preferably, the waterproof portion includes a first waterproof portion and a second waterproof portion;

The first waterproof portion is an annular waterproof plate extending radially inward along the first connecting end;

The second waterproof portion includes an annular waterproof plate that is radial along the first connection end and a waterproof cover that extends axially toward the air inlet portion along the end of the annular waterproof plate.

Preferably, the waterproof cover comprises:

a connecting plate parallel to the axis of the fresh air pipe joint and spaced apart, and the starting end thereof is connected with the annular waterproof plate;

A round waterproof board that connects the extended ends of the connecting plates and completely covers the connecting plates.

Preferably, the air inlet of the air inlet pipe is installed with an air inlet grille;

The plane of the circular waterproof board is parallel and spaced apart from the inlet grille.

Preferably, the number of the connecting plates is 2 to 6.

Preferably, the outer side of the second connecting end is provided with a first card slot;

A first buckle is disposed on an inner side of the air inlet portion, and is coupled to the first card slot.

Preferably, a lug is distributed on the inner side of the air inlet portion and on the inner side of the first buckle for defining a position at which the second connecting end extends into the air inlet portion.

Preferably, the outer circumferential direction of the air guiding portion is provided with a second card slot;

A second buckle is disposed on the inner circumference of the first connecting end, and is coupled to the second card slot.

Preferably, the outer portion of the air guiding portion is provided with a finite strip with respect to one end of the second card slot for limiting and fixing the position of the fresh air inlet duct.

The invention also provides a fresh air conditioner, comprising

An air conditioning body and a fresh air device disposed therein;

The fresh air device is connected to a fresh air inlet duct that is open to the outside to send fresh air to the room;

The air inlet of the fresh air inlet duct is connected to the new air duct joint of any of the above.

The fresh air inlet pipe joint of the present invention has a tubular connecting portion added on the basis of the original fresh air pipe joint, wherein the tubular connecting portion includes a first connecting end and a second connecting end in the coaxial direction, and the first connecting end The joint portion with the second connecting end is provided with a waterproof portion in the axial direction for preventing liquid water from entering the fresh air inlet pipe with fresh air, especially in rainy weather, adding a waterproof portion in the air inlet pipe joint, effectively reducing rainwater entering the indoor The probability.

Further, the waterproof portion of the present invention includes a first waterproof portion and a second waterproof portion, the first waterproof portion is an annular waterproof plate along a radial direction of the first connection end; and the second waterproof portion includes a radial direction along the first connection end The annular waterproof board and the waterproof cover extending along the axial direction toward the air inlet portion along the end of the annular waterproof board. The double waterproof structure effectively prevents rainwater from entering the indoor fresh air system along the fresh air inlet duct.

The fresh air enters through the air inlet portion in the axial direction, and then enters the air guiding portion from the gap of the connecting plate through the second waterproof portion, and then enters the air guiding portion axially. At this time, in the process of changing the wind direction, in the air The fine water droplets settle down and accumulate at the bottom of the waterproof suction hood, which is discharged.

The first waterproof part is an annular waterproof board which is annularly distributed inside the joint, that is, a waterproof step, preventing the obliquely entering the liquid water and the accumulated water from entering the fresh air inlet pipe, and the accumulated water is moved from the air inlet of the air inlet part. The wind grid is discharged.

Further, the inner diameter of the joint of the present invention has substantially no change from the inlet to the outlet inner diameter. Under the premise of satisfying the fresh air inlet air volume, a small air inlet grille is provided at the air inlet of the air inlet portion to effectively prevent the flying insects from entering the new air inlet. Ducts, destroying internal components of the fresh air system.

The above as well as other objects, advantages and features of the present invention will become apparent to those skilled in the <

DRAWINGS

Some specific embodiments of the present invention are described in detail below by way of example, and not limitation. The same reference numbers in the drawings identify the same or similar parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the figure:

1 is a schematic structural view of a new air duct joint according to an embodiment of the present invention;

Figure 2 is an exploded structural view of the new air duct joint shown in Figure 1;

Figure 3 is a schematic cross-sectional view of the fresh air pipe joint of Figure 1 taken along the axis;

Figure 4 is a schematic structural view of a tubular connecting portion of the new air duct joint shown in Figure 2;

Figure 5 is a schematic structural view of an air inlet portion of the new air duct joint shown in Figure 2;

Figure 6 is a schematic structural view of the air guiding portion of the new air duct joint shown in Figure 2;

Figure 7 is a schematic block diagram of a fresh air conditioner in accordance with one embodiment of the present invention.

detailed description

As people's demands for quality of life are getting higher and higher, and the health of their families is becoming more and more concerned, the fresh air system continues to enter the families of ordinary people. First, it can avoid the use of air-conditioning processes for a long time to close the windows, and the indoor air quality is constantly When the user drops, the user does not breathe fresh air. Second, as the environmental pollution becomes heavier, the quality of the air entering the room needs to be purified and then enter the room.

In the fresh air system, the fresh air inlet pipe must be extended to the outside to allow the outdoor fresh air to enter the room. The present invention provides a new air pipe joint 10 for connecting to the air inlet 210 of the fresh air inlet pipe. Prevent mosquitoes from entering the fresh air duct. Outdoor fresh air refers to the air in the outdoor natural environment.

1 is a schematic structural view of a new air duct joint 10 according to an embodiment of the present invention, and FIG. 2 is an exploded structural view of the new air duct joint 10 shown in FIG. 1. The fresh air pipe joint 10 may generally include a tubular connecting portion 110 having one end connected to the air inlet portion 120 and the other end connected to the air guiding portion 130. Specifically, the tubular connecting portion 110 includes a first connecting end 110A and a second connecting end 110B in a coaxial direction thereof, and one end of the air guiding portion 130 is connected to the first connecting end 110A, and the other end is connected to the fresh air inlet duct 21, The fresh air passes through the air inlet portion 120 and the tubular connecting portion 110, and is then sent into the fresh air inlet pipe by the air guiding portion 130; the air inlet portion 120 is connected and fixed to the second connecting end 110B.

In order to prevent exposure to the fresh air intake duct outside, rainwater enters along the intake duct, and thus the present invention creatively provides a waterproof portion in the fresh air duct joint 10. In particular, the waterproof portion is disposed at a junction of the first connecting portion and the second connecting end, and the waterproof portion is disposed along an axial direction of the fresh air pipe joint 10.

The fresh air inlet pipe joint 10 of the present invention has a tubular connecting portion 110 added on the basis of the original fresh air pipe joint, wherein the tubular connecting portion 110 includes a first connecting end and a second connecting end in the coaxial direction, A joint portion of the connecting end and the second connecting end is provided with a waterproof portion in the axial direction for preventing liquid water from entering the fresh air inlet pipe with fresh air, especially in rainy weather, adding a waterproof portion in the fresh air pipe joint 10, effectively Reduce the probability of rain entering the room.

Specifically, FIG. 3 is a schematic cross-sectional view of the new air duct joint of FIG. 1 taken along the axis; combined with the analysis of FIG. 2, the waterproof portion includes a first waterproof portion and a second waterproof portion. The first waterproof portion is an annular waterproof plate 111 extending radially inward along the first connecting end; the second waterproof portion includes an annular waterproof plate 111 along the radial direction of the first connecting end and an end along the annular waterproof plate 111 A waterproof cover 112 extending in the axial direction toward the air inlet portion 120.

The waterproof cover 112 includes a connecting plate 112a and a circular waterproof plate 112b. The connecting plate 112a is parallelly spaced from the axis of the fresh air pipe joint 10, and the starting end thereof is connected with the annular waterproof plate 111, and the extending end thereof is rounded and waterproof. 112b is connected, and the circular waterproof board 112b completely covers the connecting plate 112a, so that the fresh air enters the tubular connecting portion 110 axially after entering the tubular connecting portion 110, and must change direction, and enter the tubular connecting portion 110 along the circumferential direction of the waterproof cover 112. It cannot enter axially. The change of fresh wind direction is indicated by the dotted line in Figure 3.

Further, the waterproof portion of the present invention includes a first waterproof portion and a second waterproof portion, the first waterproof portion is an annular waterproof plate 111 radially along the first connection end; and the second waterproof portion includes a diameter along the first connection end The annular waterproof plate 111 and the waterproof cover 112 extending in the axial direction toward the air inlet portion 120 along the end portion of the annular waterproof plate 111. The double waterproof structure effectively prevents rainwater from entering the indoor fresh air system along the fresh air inlet duct.

The fresh air enters through the air inlet portion 120 in the axial direction, and then enters through the gap of the connecting plate 112a in the radial direction through the second waterproof portion, and then enters the air guiding portion 130 axially. At this time, during the change of the wind direction, the air The fine water droplets in the water settled and accumulate at the bottom of the waterproof suction hood, and then discharged.

The first waterproof portion is an annular waterproof plate 111 which is annularly distributed inside the joint 10, that is, a waterproof step, preventing the obliquely entering the liquid water and the accumulated water from entering the fresh air inlet pipe, and collecting the accumulated water from the air inlet portion 120. The air inlet grill 121 of the tuyere is discharged.

In some preferred embodiments, the inner diameter of the annular waterproof plate 111 is equal to the diameter of the circular waterproof plate 112b, so that after the fresh air enters the tubular connecting portion 110 from the air inlet portion 120 and enters the air guiding portion 130, the wind direction thereof has all experienced The axial to radial and then axial changes (as indicated by the dashed line in Fig. 3) cause the liquid droplets to be completely deposited and discharged from the inlet grill 121 of the inlet portion 120. If the inner diameter of the annular waterproof plate 111 is larger than the diameter of the circular waterproof plate 112b, during the process of fresh air entering the tubular connecting portion 110 from the air inlet portion 120, a part of fresh air may flow in the axial direction without axial to diameter. If the inner diameter of the annular waterproof plate 111 is smaller than the diameter of the circular waterproof plate 112b, a part of the fresh air does not have a significant radial to axial direction during the fresh air entering the air guiding portion 130 from the tubular connecting portion 110. The transformation, then the effect of the ring waterproof board 111 will be greatly discounted.

In other preferred embodiments, the inner diameters of the first connecting end 110A and the second connecting end 110B of the tubular connecting portion 110 of the present invention are similar or equal, and finally the inner diameter of the fresh air pipe joint 10 is substantially unchanged from the inlet to the outlet inner diameter. Under the premise of satisfying the fresh air intake air volume, the air inlet grille 121 with a small gap is provided at the air inlet of the air inlet portion 120, thereby effectively preventing the flying insects from entering the new air duct and destroying the internal components of the fresh air system.

In some alternative embodiments, the inner diameter of the first connecting end of the tubular connecting portion 110 is smaller than the inner diameter of the second connecting end, and the first connecting end is still provided with the same waterproof portion as described above, that is, includes the first waterproof portion and the second waterproof portion. Then, the inner diameter of the fresh air pipe joint 10 is narrowed from the width to the inner diameter of the inlet to the outlet, and the air intake amount thereof is lowered. However, since the inner diameters of the first connecting end and the second connecting end are inconsistent, the connecting portions of the two connecting portions are inevitably formed, that is, the fresh air first enters the second connecting end with a large diameter, and then enters the second connecting with a small diameter. At this time, the retaining portion can be regarded as the third waterproof portion, and the third waterproof portion functions as the second waterproof portion of the annular waterproof plate 111, that is, the small air in the change of the wind direction The water droplets settle down and accumulate at the bottom of the waterproof suction hood and are discharged. In this alternative embodiment, the arrangement of the triple waterproof portion is more effective in preventing rainwater from entering the indoor fresh air system along the fresh air intake duct.

In other embodiments, the plane of the circular flashing 112b is parallel and spaced apart from the inlet grill 121, and the spacing must not be too large or too small. When the interval is too small, it is equivalent to the fresh air entering from the periphery of the air inlet portion 120. The middle axial direction cannot enter the air, and the circular waterproof board 112b blocks the air from entering, so that the fresh air intake is greatly reduced; when the interval is too large, the fresh air After entering the air inlet portion 120, the wind direction changes slowly, and there is no radial process that changes from the axial direction, and fine water droplets cannot be deposited well, failing to achieve the waterproof effect.

In the above embodiment, the number of the connecting plates 112a is 2 to 6, preferably 3 to 4. When the number of the connecting plates 112a is small, the stability of the waterproof cover 112 cannot be ensured, and the stability of the waterproof cover 112 is drastically reduced under the impact of a long time fresh air; when the number of the connecting plates 112a is large, the separation distance is small, and the air intake amount is affected. .

When the fresh air pipe joint 10 is installed, since it is subjected to the pressure of fresh air for a long time, it is necessary to fully consider its structural stability so as to withstand the impact of fresh air for a long time.

4 is a schematic structural view of the tubular connecting portion 110 of the fresh air pipe joint 10 shown in FIG. 2; FIG. 5 is a schematic structural view of the air inlet portion 120 of the new air pipe joint 10 shown in FIG. 2; It is a schematic structural view of the air guiding part 130 of the fresh air pipe joint 10 shown in FIG.

As shown in FIG. 4 and FIG. 5, it can be seen from the analysis of FIG. 2 and FIG. 3 that the outer side of the second connecting end is provided with a first card slot 113; the inner side of the air inlet portion 120 is provided with a first buckle 122, and the first The card slot 113 is mated. A lug 123 is disposed on the inner side of the air inlet portion 120 in the inner circumferential direction and on the inner side of the first buckle 122 for defining a position at which the second connection end projects into the air inlet portion 120. The double function of the buckle structure and the bump limit structure. The tubular connecting portion 110 is coupled to the air inlet portion 120 in a good fit.

As shown in FIG. 4 and FIG. 6 , it can be seen from the analysis of FIG. 2 and FIG. 3 that the outer circumferential direction of the air guiding portion 130 is provided with a second card slot 131; the inner side of the first connecting end is distributed with a second buckle 114, and The second card slot 131 is coupled and connected, and the air guiding portion 130 and the tubular connecting portion 110 are connected and fixed by a snap structure. The outer portion of the air guiding portion 130 is provided with a limit strip 132 at one end of the second card slot 131 for limiting and fixing the position of the fresh air inlet duct.

The present invention also provides a fresh air conditioner comprising an air conditioning body 30 and a fresh air device 20 disposed therein, the fresh air device being connected with a fresh air inlet pipe 21 leading to the outside for delivering fresh air to the room. The fresh air inlet duct is exposed to the outside. If it encounters rainy days, there is a risk that rainwater will enter the room along the air inlet duct. At the same time, some air inlet ducts have larger diameters, smaller volume of mosquitoes, and birds also enter the pipeline. Possible. Therefore, in the fresh air conditioner provided by the present invention, the air inlet 210 of the fresh air intake duct is installed with the above-mentioned new air duct joint 10 mentioned in the above-mentioned implementation to prevent rainwater and mosquitoes from entering the fresh air intake duct.

The new air duct connector 10 provided by the present invention is applicable not only to fresh air conditioners but also to individual fresh air systems.

In this regard, it will be appreciated by those skilled in the <RTIgt;the</RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Therefore, the scope of the invention should be understood and construed as covering all such other modifications or modifications.

Claims

A new air duct connector, including:

a tubular connecting portion including a first connecting end and a second connecting end in a coaxial direction thereof;

An air inlet portion, the air inlet portion is connected to the second connection end, and

a wind guiding portion, one end of the air guiding portion is connected to the first connecting end, and the other end is connected to the fresh air inlet pipe;

The joint between the first connecting end and the second connecting end is provided with a waterproof portion in the axial direction for preventing liquid water from entering the fresh air inlet pipe with the fresh air.
The new air duct connector according to claim 1, wherein

The waterproof portion includes a first waterproof portion and a second waterproof portion;

The first waterproof portion is an annular waterproof plate extending radially inward along the first connecting end;

The second waterproof portion includes an annular waterproof plate along a radial direction of the first connection end and a waterproof cover extending axially toward the air inlet portion along an end portion of the annular waterproof plate.
The new air duct connector according to claim 2, wherein said waterproof cover comprises:

a connecting plate parallel to the axis of the new air duct joint and spaced apart, and a starting end thereof is connected to the annular waterproof board;

A circular waterproof board that connects the extended ends of the connecting plates and completely covers the connecting plates.
The new air duct connector according to claim 3, wherein

The air inlet of the air inlet pipe is installed with an air inlet grille;

The plane of the circular waterproofing plate is parallel to the inlet grille and has a spacing.
The new air duct connector according to claim 3, wherein

The number of the connecting plates is 2-6.
A new air duct joint according to claim 2, wherein

a first card slot is disposed on an outer circumference of the second connecting end;

A first buckle is disposed on an inner side of the air inlet portion, and is coupled to the first card slot.
A new air duct joint according to claim 6, wherein

A lug is disposed on an inner side of the air inlet portion and located inside the first buckle for defining a position at which the second connecting end extends into the air inlet portion.
A new air duct joint according to claim 7, wherein

a second card slot is disposed on an outer circumference of the air guiding portion;

A second buckle is disposed on the inner circumference of the first connecting end, and is coupled to the second card slot.
The new air duct connector according to claim 8, wherein

The outer portion of the air guiding portion is provided with a finite strip with respect to one end of the second card slot for limiting and fixing the position of the fresh air inlet duct.
a fresh air conditioner, including

An air conditioning body and a fresh air device disposed therein;

The fresh air device is connected with a fresh air inlet pipe that is open to the outside, and is used for sending fresh air to the room;

The air inlet of the fresh air inlet duct is connected to the new air duct joint according to any one of claims 1 to 9.