WO2020147254A1

WO2020147254A1 - Air conditioner

Info

Publication number: WO2020147254A1
Application number: PCT/CN2019/090710
Authority: WO
Inventors: 张蕾; 关婷婷; 王永涛; 闫宝升; 尹晓英
Original assignee: 青岛海尔空调器有限总公司; 海尔智家股份有限公司
Priority date: 2019-01-17
Filing date: 2019-06-11
Publication date: 2020-07-23
Also published as: CN111442409A

Abstract

An air conditioner (10), comprising: a housing (100), the housing (100) being provided with an air inlet (110); a dust filtering mesh (300) provided at the air inlet (110) to filter impurities from air entering the air inlet (110); and a cleaning device (400), having a rotary brush head (420) provided on one side of the dust filtering mesh (300) facing towards the interior of the housing (100), a rotation region of the rotary brush head (420) at least covering the dust filtering mesh (300) so as to clean dust deposited on the dust filtering mesh. The cleaning device (400) is used to clean the dust filtering mesh (300), avoiding problems such as reduced air inlet speed, reduced air inlet volume and reduced cooling and heating efficiency due to the dust filtering mesh (300) being blocked by dust, thereby facilitating usage of a user.

Description

air conditioning

Technical field

The invention relates to the technical field of air conditioners, in particular to an air conditioner.

Background technique

With the development of society and the continuous improvement of people's living standards, people have higher and higher requirements for the quality of life. People pay more and more attention to the comfort of the living environment, and environmental regulation appliances such as air conditioners have become one of the indispensable electrical devices in people's daily lives. Air conditioners can help people reach an adaptable temperature when the ambient temperature is too high or too low.

However, during the operation of the existing air conditioner, the dust filter will be clogged with dust, and the clogging of the dust filter will cause the air intake speed to decrease, the air intake volume decreases, and the cooling and heating efficiency decreases, which affect users' use.

Summary of the invention

In view of the above problems, the present invention is proposed to provide an air conditioner that overcomes the above problems or at least partially solves the above problems.

An object of the present invention is to provide an air conditioner with the function of automatically cleaning the dust filter.

A further object of the present invention is to provide a dust filter that is compatible with this function and is easy to disassemble and install.

According to one aspect of the present invention, the present invention provides an air conditioner, comprising: a housing with an air inlet; a dust filter arranged at the air inlet to filter out impurities in the air entering the air inlet; and cleaning The device has a rotating brush head located on the side of the dust filter facing the inside of the housing, and the rotating area of the rotating brush head covers at least the dust filter to clean the dust of the dust filter.

Optionally, the cleaning device further includes: a rotating rod, which is arranged in the housing, is perpendicular to the dust filter, and can be driven to rotate with its extending direction as an axis; and the rotating brush head is arranged on the rotating rod to be driven by the rotating rod to rotate .

Optionally, the rotating rod is aligned with the center of the dust filter.

Optionally, the rotating brush head includes a plurality of brush blades with the same length evenly distributed along the circumferential direction of the rotating rod.

Optionally, the rotating brush head is arranged to translate along the length of the rotating rod, so that it can be configured to have a clean state in which the rotating brush head is attached to the dust filter and a separated stationary state.

Optionally, the rotating brush head translates along the length direction of the rotating rod through the thread, the rotating rod is a screw, and the part connected with the rotating brush head has an internal thread matching it.

Optionally, the top of the shell is hung from the ceiling, the air inlet is located at the center of the bottom of the shell, and the peripheral wall of the shell is provided with an air outlet.

Optionally, the air conditioner further includes: an air inlet panel arranged on the outside of the air inlet, and the air inlet panel is provided with a dust receiving groove for receiving the debris removed by the cleaning device.

Optionally, the air conditioner further includes: a fan arranged in the casing, the rotation axis of the fan is relative to the center of the air inlet; a heat exchanger is arranged on the periphery of the fan, and is used to exchange heat for the air entering the air inlet.

Optionally, the shape of the dust filter is set to be circular, and is installed at the air inlet in a manner of adsorption or suspension.

The present invention provides an air conditioner. The housing of the air conditioner is formed with an air inlet, and a dust filter is arranged at the air inlet to filter impurities in the air entering the air inlet. A side of the dust filter facing the inside of the housing is also provided Cleaning device for cleaning the dust filter. Using a cleaning device to clean the dust filter can prevent the dust filter from being clogged with dust, prevent the air inlet speed from being reduced, the air inlet volume reduced, and the cooling and heating efficiency reduced, which is convenient for users.

Further, the cleaning device includes a rotating rod and a rotating brush head, and the rotating brush head is driven to rotate by the rotating rod to clean the dust filter. In addition, the dust filter is set in a circular shape, and is installed at the air inlet of the air conditioner in a manner of adsorption or suspension. The shape of the dust filter is set to be circular to match the cleaning device, so that the cleaning device can clean the dust filter comprehensively, and the dust filter can absorb Or it can be installed at the air inlet of the air conditioner in a suspended way, which is convenient for users to install and remove.

Furthermore, the rotating brush head is arranged to translate along the length direction of the rotating rod, and is configured to have a clean state in which the rotating brush head is attached to the dust filter and a separated stationary state. This arrangement of the cleaning device can reduce the influence of the cleaning device on the air inlet when the cleaning device is not working, and will not affect the appearance of the air conditioner.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will understand more about the above and other objects, advantages, and features of the present invention.

BRIEF DESCRIPTION

Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary but not restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings indicate the same or similar parts or portions. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

Fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;

Figure 2 is a cross-sectional view of an air conditioner according to an embodiment of the present invention;

Figure 3 is a cross-sectional view of the housing and its internal parts in an air conditioner according to an embodiment of the present invention;

4 is a cross-sectional view of the air intake panel and its cleaning device part of the air conditioner according to an embodiment of the present invention;

Figure 5 is a schematic exploded view of a cleaning device for an air conditioner according to an embodiment of the present invention;

6 is a schematic structural diagram of a dust filter of an air conditioner according to an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of an air inlet panel of an air conditioner according to an embodiment of the present invention.

detailed description

This embodiment provides an air conditioner 10. FIG. 1 is a schematic structural diagram of an air conditioner 10 according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of an air conditioner 10 according to an embodiment of the present invention. A cross-sectional view of the housing 100 and its internal components in the air conditioner 10 of the embodiment. FIG. 4 is a cross-sectional view of the air intake panel 200 and the cleaning device 400 of the air conditioner 10 according to an embodiment of the present invention.

The air inlet 110 is formed at the bottom of the housing 100 of the air conditioner 10 provided in this embodiment, and an air outlet 120 is formed around the housing 100. In other optional embodiments, the air inlet 110 may also be located at the top of the housing 100 , Around or other locations, the air outlet 120 can also be adjusted according to needs.

The air conditioner 10 provided by this embodiment includes a housing 100 with an air inlet 110 formed at the bottom, an air outlet 120 arranged around the housing 100, a fan 600 arranged in the housing 100 and a heat exchanger 700 on the outer periphery thereof, The air inlet panel 200 below the air inlet 110 and the dust filter 300 arranged at the air inlet 110 are used for filtering impurities in the air entering the air inlet 110. The fan 600 rotates to cause air to enter the inside of the housing 100 from the air inlet 110 at the bottom of the housing 100, exchange heat with the heat exchanger 700 on the periphery of the fan 600, and finally discharge into the housing 100 through the air outlet 120 provided around the housing 100 To the indoor space. The air conditioner 10 according to an embodiment of the present invention has the advantages of being small in size, occupying only a small indoor space, and having uniform air output. The air conditioner 10 provided in this embodiment may be a ceiling air conditioner, or another type of air conditioner with a bracket at the bottom. The bracket makes the air inlet 110 of the air conditioner 10 have a certain height relative to the ground.

A cleaning device 400 is provided between the dust filter 300 and the air inlet panel of the air conditioner 10 according to an embodiment of the present invention. The cleaning device 400 is used to clean the dust filter 300 so as to prevent the dust filter 300 from being clogged with dust. The clogging of the dust filter 300 may cause the air conditioner The air inlet speed of 10 decreases, the air inlet volume decreases, and the cooling and heating efficiency decreases.

5 is a schematic exploded view of a cleaning device 400 of an air conditioner 10 according to an embodiment of the present invention. The cleaning device 400 includes: a rotating rod 410 rotatably arranged on the side of the air inlet panel 200 facing the air conditioner 10, and arranged on the rotating rod The rotating brush head 420 on the 410, and the driving device 430. The driving device 430 provides power to the rotating rod 410 so that the rotating brush head 420 rotates following the rotation of the rotating rod 410, thereby cleaning the dust adsorbed on the dust filter 300 and ensuring the cleanliness of the dust filter.

In some embodiments of the present invention, the rotating rod 410 of the air conditioner 10 is arranged perpendicular to the dust filter 300 and is aligned with the center of the dust filter 300. Therefore, it is ensured that when the rotating brush head 420 cleans the dust filter 300, it can contact the dust filter 300 to the greatest extent, and the cleaning effect is improved.

The rotating brush head 420 includes a plurality of brush blades 421 with the same length evenly distributed along the circumference of the rotating rod 410. The provision of a plurality of brush blades 421 can improve the cleaning effect of the cleaning device 400, and the plurality of brush blades 421 set to the same length can ensure the uniform cleaning effect. In an embodiment of the present invention, the number of brush blades 421 is set to 3. This setting can ensure the cleaning effect of the cleaning device 400, and can also ensure that the shielding of the air inlet is reduced when it is not cleaning, so as to avoid affecting the normal Air supply.

In some embodiments of the present invention, the rotating brush head 420 is configured to translate along the length of the rotating rod 410, and is configured to have a clean state in which the rotating brush head 420 is attached to the dust filter 300 and a standstill state separated from each other. This setting method can ensure that when the cleaning device 400 does not perform a cleaning task, the dust filter 300 will not be blocked, and the appearance of the air conditioner 10 will not be affected. In some embodiments, the rotating brush head 420 translates along the length of the rotating rod 410 through threads. The rotating rod 410 is a screw. The part of the rotating brush head 420 connected to it has internal threads matching it, and the driving device 430 drives the rotation. The rod 410 rotates, and the rotating brush head 420 is translated along the length direction of the rotating rod 410 through the thread on the rotating rod 410. The rotating brush head 420 has a resisting part, which is used to restrict the rotating brush head 420 to continue moving along the length of the rotating rod when the rotating brush head 420 is attached to the dust filter 300, so that the rotating brush head 420 can rotate with the rotating rod 410 .

6 is a schematic structural diagram of the dust filter 300 of the air conditioner 10 according to an embodiment of the present invention. The traditional dust filter is generally a rectangular dust filter with a long length, which is inconvenient to clean and difficult to clean. The shape of the dust filter 300 of the air conditioner 10 provided by an embodiment of the present invention is set to be circular, which not only facilitates cleaning, but also conforms to the cleaning surface of the cleaning device 400, and there will be no dead corners that the cleaning device 400 cannot clean.

In some embodiments of the present invention, the dust filter 300 is arranged to be installed at the air inlet of the air conditioner 10 in a manner of adsorption. In other embodiments of the present invention, the dust filter 300 is arranged to be mounted on the air inlet of the air conditioner 10 in a suspended manner. Place. The installation method of the dust filter 300 is convenient for the user to install and remove the dust filter 300, and avoid the pull-out dust filter of the traditional air conditioner from being stuck in the main body due to inconvenience of drawing.

To prevent the dust on the dust filter 300 removed by the cleaning device 400 from falling into the indoor air, in some embodiments of the present invention, when the air inlet 110 is located below the air conditioner 10, the air conditioner 10 further includes a dust receiving slot 500. FIG. 7 is a schematic structural diagram of the air intake panel 200 of the air conditioner 10 according to an embodiment of the present invention. As shown in FIG. 7, the dust receiving groove 500 is provided on the side of the air intake panel 200 facing the dust filter 300 and receives dust The center position of the groove 500 is consistent with the center position of the dust filter 300, and the size of the dust receiving groove 500 is equal to or greater than the size of the dust filter 300 to ensure that all the dust falling on the dust filter 300 can be received.

In some embodiments of the present invention, a mounting portion 210 is provided on the air inlet panel 200. Correspondingly, a mounting hole 130 is provided on the housing 100, so that the air inlet panel 200 is detachable relative to the housing 100. It is convenient for the user to clean the dust in the dust receiving tank 500, and preventing the dust in the dust receiving tank 500 from being too much to receive more debris, which causes the debris to pollute the indoor environment.

The air conditioner 10 according to an embodiment of the present invention further includes a fan 600, the fan 600 is disposed in the housing 100, and the rotation axis of the fan 600 is relative to the center of the air inlet 110. The fan 600 is used to make the air flow from the air inlet 110 to the air outlet 120 through the inside of the housing 100.

A heat exchanger 700 is provided on the outer periphery of the fan 600 to exchange heat for the air entering the air inlet 110. For example, the heat exchanger 700 can heat or cool the air entering the air inlet 110, and then heat the air by the fan 600 Or the cooled air is discharged into the room through the air outlet 120. In some embodiments of the present invention, the fan 600 may be a centrifugal fan. When the centrifugal fan works, the airflow enters the blade space from the fan axially, and then rotates with the impeller under the drive of the impeller on the one hand, and on the other hand under the action of inertia. Increase the energy, leave the impeller along the radius, and do work by the centrifugal force generated.

In some other embodiments of the present invention, the fan 600 may also be a laminar flow fan. When the laminar flow fan is working, a plurality of annular discs rotate so that the plurality of annular discs are in contact with the air between each other and move with each other. Furthermore, the air boundary layer near the surface of the plurality of annular disks is driven by the rotating plurality of annular disks due to the viscous effect to move from the inside to the outside to form a laminar wind.

In some embodiments of the present invention, the air conditioner 10 may be a ceiling air conditioner. The ceiling of the ceiling air conditioner is suspended from the ceiling, and includes a housing 100 with an air inlet 110 formed at the bottom, an air outlet 120 arranged around the housing 100, a fan 600 arranged in the housing 100 and a heat exchanger on the outer periphery thereof 700. The air inlet panel 200 arranged under the air inlet 110, and the dust filter 300 arranged at the air inlet 110. The fan 600 rotates to cause air to enter the interior of the housing 100 from the air inlet 110 at the bottom of the housing 100, exchange heat with the heat exchanger 700 on the periphery of the fan 600, and finally discharge into the housing 100 through the air outlet 120 provided around the housing 100 To the indoor space. A cleaning device 400 is provided between the dust filter 300 and the air inlet panel of the ceiling air conditioner, and the cleaning device 400 is used to clean the dust filter 300. The cleaning device 400 may include a rotating brush head 420 and a rotating rod 410, the rotating brush head 420 is set to translate along the length of the rotating rod 410, and the shape of the dust filter 300 is set to be circular to match the cleaning device 400. A dust receiving groove 500 is provided on the side of the air inlet panel 200 facing the dust filter 300 to receive the dust cleaned by the cleaning device 400.

An embodiment of the present invention provides an air conditioner 10, wherein a housing 100 and an air inlet panel 200 jointly define the internal environment of the air conditioner 10, and an air inlet 110 is formed on the side of the housing 100 opposite to the air inlet panel 200, A dust filter 300 is provided at the air inlet 110 to filter impurities in the air entering the air inlet 110, and a cleaning device 400 is also provided in the space between the air inlet panel 200 and the dust filter 300 to clean the dust filter 300. Using the cleaning device 400 to clean the dust filter 300 can prevent the dust filter 300 from being clogged with dust, reducing the air intake speed, reducing the air intake, and reducing the cooling and heating efficiency, which is convenient for users.

In this embodiment, the cleaning device 400 includes a rotating rod 410 and a rotating brush head 420. The rotating rod 410 drives the rotating brush head 420 to rotate to clean the dust filter 300. In addition, the dust filter 300 is set in a circular shape and is installed at the air inlet 110 of the air conditioner 10 in a manner of adsorption or suspension. The shape of the dust filter 300 is set to be circular to match the cleaning device 400, so that the cleaning device 400 can be cleaned completely The dust filter 300 is installed at the air inlet 110 of the air conditioner 10 in a manner of adsorption or suspension, thereby facilitating the installation and disassembly of the user.

In addition, the rotating brush head 420 is arranged to translate along the length direction of the rotating rod 410, and is arranged to have a clean state in which the rotating brush head 420 is attached to the dust filter 300 and a separated stationary state. This arrangement of the cleaning device 400 can reduce the influence of the cleaning device 400 on the air intake of the air inlet 110 when the cleaning device 400 is not working, and will not affect the appearance of the air conditioner.

So far, those skilled in the art should realize that although multiple exemplary embodiments of the present invention have been illustrated and described in detail herein, they can still be disclosed according to the present invention without departing from the spirit and scope of the present invention. The content directly determines or derives many other variations or modifications that conform to the principles of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims

An air conditioner, including:

A housing, the housing has an air inlet;

The dust filter is arranged at the air inlet to filter out impurities in the air entering the air inlet; and

The cleaning device has a rotating brush head located on the side of the dust filter facing the inside of the housing, and the rotating area of the rotating brush head covers at least the dust filter to clean the dust of the dust filter.
The air conditioner according to claim 1, wherein the cleaning device further comprises:

The rotating rod is arranged in the housing, is perpendicular to the dust filter, and can be driven to rotate with its extending direction as an axis;

The rotating brush head is arranged on the rotating rod to be driven to rotate by the rotating rod.
The air conditioner according to claim 2, wherein

The rotating rod is directly facing the center position of the dust filter.
The air conditioner according to claim 2, wherein the rotating brush head comprises:

A plurality of brush blades with the same length are evenly distributed along the circumferential direction of the rotating rod.
The air conditioner according to claim 2, wherein

The rotating brush head is arranged to translate along the length direction of the rotating rod, so that it can be configured to have a clean state in which the rotating brush head is attached to the dust filter and a separated stationary state.
The air conditioner according to claim 5, wherein

The rotating brush head is translated along the length direction of the rotating rod through a thread. The rotating rod is a screw rod, and the connecting part of the rotating brush head has an internal thread matched with it.
The air conditioner according to claim 2, wherein

The top of the shell is suspended from the ceiling, the air inlet is located at the center of the bottom of the shell, and the peripheral wall of the shell is provided with an air outlet.
The air conditioner according to claim 7, further comprising:

The air inlet panel is arranged outside the air inlet, and the air inlet panel is provided with a dust receiving groove for receiving the dust removed by the cleaning device.
The air conditioner according to claim 8, further comprising:

The fan is arranged in the housing, and the rotation axis of the fan is relative to the center of the air inlet;

The heat exchanger is arranged on the outer circumference of the fan and is used to exchange heat for the air entering the air inlet.
The air conditioner according to claim 1, wherein

The shape of the dust filter is set to be circular, and is installed at the air inlet in a manner of adsorption or suspension.