CN210014456U - Ceiling type air conditioner indoor unit - Google Patents

Abstract

The utility model provides a ceiling type air conditioner indoor unit. Wherein the ceiling type air conditioner indoor unit includes: the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein a cavity is defined in the shell; the dust filter screen is arranged at the air inlet by utilizing the principle of magnet adsorption and is configured to filter air entering the cavity through the air inlet; and the fan is arranged in the cavity and is configured to enable the filtered air to form wind and blow out the wind through the first air outlet. The ceiling type air conditioner indoor unit of the utility model can filter dust in the air entering the cavity by arranging the dust filtering net, so that the wind formed by the fan is cleaner, and the comfort level of users is improved; the dust filtering net is arranged according to the magnet adsorption principle, so that a user can conveniently take down the dust filtering net for cleaning or installation, the dust is prevented from shaking off in the air or on the ground in the process of drawing the dust filtering net, and the use convenience of the user is effectively improved.

Description

Ceiling type air conditioner indoor unit

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a ceiling type air conditioner indoor unit.

Background

With the development of society and the increasing living standard of people, various air conditioning devices have become one of the indispensable electrical devices in people's daily life. Various air conditioning devices can help people to reach a temperature that can be adapted to when the ambient temperature is too high or too low.

The current air conditioning adjusting devices mainly comprise various types of air conditioners and fans, and the indoor units of ceiling type air conditioners are generally hung on the ceiling of a room and do not occupy the space of the floor and the wall of the room, so the application is more and more extensive. However, the existing ceiling type air conditioner indoor unit is generally provided with a pull type dust filter screen, dust is easy to shake off to pollute the indoor environment when the indoor unit is detached, and the pull type dust filter screen is inconvenient to pull and is easy to clamp in a main body; in addition, the traditional dust filtering net is generally arranged above the ceiling type air conditioner indoor unit, and the ceiling type air conditioner indoor unit has smaller distance from the ceiling and is not easy to detach; the traditional dust filtering net is generally a rectangular dust filtering net, is long in length and inconvenient to clean, and influences the use experience of users.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at makes the easy dismouting of dust filter screen of ceiling type air conditioner indoor unit, promotes user's degree of convenience in use.

The utility model discloses a further purpose makes the stealthy invisible of dust screen of ceiling type air conditioner indoor unit, promotes ceiling type air conditioner indoor unit's whole pleasing to the eye degree.

Particularly, the utility model provides a ceiling type air conditioner indoor unit, include: the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein a cavity is defined in the shell; the dust filter screen is arranged at the air inlet by utilizing the principle of magnet adsorption and is configured to filter air entering the cavity through the air inlet; and the fan is arranged in the cavity and is configured to enable the filtered air to form wind and blow out the wind through the first air outlet.

Optionally, the housing includes an upper panel and a lower case, the lower case including: the air conditioner comprises a front panel, a rear panel, a bottom plate and two side panels, wherein an air inlet is formed in the bottom plate, first air outlets are formed in the front panel and the two side panels, and air deflectors are arranged at the positions of the first air outlets to adjust the air outlet direction.

Optionally, the bottom plate comprises a body portion and an extension portion, wherein an inner edge of the body portion extends obliquely upward to form the extension portion, and an upper edge of the extension portion defines the air inlet.

Optionally, the indoor unit of the ceiling type air conditioner further comprises: the magnetic ring is sleeved outside the extension part, and the edge of the dust filter screen is made of ferromagnetic substances so as to be sucked and hung on the inner side of the extension part through the magnetic ring.

Optionally, the bottom of the dust screen is provided with a handle for a user to hold.

Optionally, the indoor unit of the ceiling type air conditioner further comprises: and the evaporator is arranged outside the periphery of the fan and is configured to exchange heat with the wind formed by the fan.

Optionally, the cross section of the evaporator is U-shaped, and the U-shaped opening faces the rear panel, and the indoor unit of a ceiling type air conditioner further includes: and the wind blocking vortex tongue is arranged at the U-shaped opening of the evaporator to accelerate wind formed by the fan and enable the wind to completely enter the evaporator for heat exchange.

Optionally, the indoor unit of the ceiling type air conditioner further comprises: and the housing is covered outside the evaporator and the fan, and the peripheral wall of the housing is provided with a second air outlet corresponding to the first air outlet.

Optionally, the fan is a laminar flow fan, and the laminar flow fan includes a laminar flow fan and a driving motor, wherein the laminar flow fan includes: the annular disks are arranged in parallel at intervals and have the same central axis, the centers of the annular disks form an air inlet channel together, and air filtered by the dust filter screen enters gaps among the annular disks through the air inlet channel; the drive motor is configured to: the plurality of annular disks are driven to rotate, so that an air boundary layer close to the surfaces of the plurality of annular disks rotates and moves from inside to outside to form laminar wind.

Optionally, the laminar flow fan further comprises: the driving discs are arranged on one side of the plurality of annular discs in parallel at intervals; and a connection member penetrating the drive disk and the plurality of annular disks to connect the plurality of annular disks to the drive disk, the drive motor further configured to: the driving disc is directly driven to rotate, and the driving disc drives the annular discs to rotate.

The utility model discloses a ceiling type air conditioner indoor unit, include: the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein a cavity is defined in the shell; the dust filter screen is arranged at the air inlet by utilizing the principle of magnet adsorption and is configured to filter air entering the cavity through the air inlet; and the fan is arranged in the cavity and is configured to enable the filtered air to form wind and blow out the wind through the first air outlet. The dust filter screen can effectively filter dust in the air entering the cavity, so that the air formed by the fan is cleaner, and the comfort level of a user is improved. In addition, the dust filtering net is arranged according to the magnet adsorption principle, so that a user can conveniently take down the dust filter net for cleaning or installation, the user is prevented from shaking off dust in the air or on the ground in the process of drawing the dust filtering net, and the use convenience of the user is effectively improved.

Further, the utility model discloses a ceiling type air conditioner indoor unit, casing include top panel and inferior valve, and the inferior valve includes: the air conditioner comprises a front panel, a rear panel, a bottom plate and two side panels, wherein an air inlet is formed in the bottom plate, first air outlets are formed in the front panel and the two side panels, and air deflectors are arranged at the positions of the first air outlets to adjust the air outlet direction. The bottom plate comprises a body part and an extension part, wherein the inner edge of the body part extends upwards in an inclined mode to form the extension part, and the upper edge of the extension part defines an air inlet. The indoor unit of the ceiling type air conditioner further comprises: the magnetic ring is sleeved on the outer side of the extension part, the edge of the dust filter screen is made of ferromagnetic substances, and the dust filter screen is hung on the inner side of the extension part in an absorbing mode through the magnetic ring, so that the dust filter screen is invisible, and the overall attractiveness of the indoor unit of the ceiling type air conditioner is improved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view illustrating an overall structure of an indoor unit of a ceiling type air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective of the indoor unit of the ceiling type air conditioner shown in fig. 1;

fig. 3 is an exploded view of the components of a ceiling mounted air conditioner indoor unit according to one embodiment of the present invention;

fig. 4 is a schematic view illustrating the construction of a lower case of the indoor unit of the ceiling type air conditioner shown in fig. 3;

fig. 5 is a front sectional view of the indoor unit of the ceiling type air conditioner shown in fig. 3;

fig. 6 is a partially enlarged schematic view of the indoor unit of the ceiling type air conditioner shown in fig. 5;

fig. 7 is a schematic view illustrating a structure of a laminar flow fan of the indoor unit of the ceiling type air conditioner shown in fig. 3;

FIG. 8 is a schematic structural view of another perspective of the laminar flow fan shown in FIG. 7;

FIG. 9 is a schematic structural view of a further perspective of the laminar flow fan shown in FIG. 7;

FIG. 10 is a cross-sectional view of the laminar flow fan shown in FIG. 7;

fig. 11 is a schematic view illustrating an air circulation of a laminar flow fan in an indoor unit of a ceiling type air conditioner according to an embodiment of the present invention;

fig. 12 is a schematic diagram illustrating the principle of laminar flow fan in an indoor unit of a ceiling-mounted air conditioner according to an embodiment of the present invention;

fig. 13 is a graph illustrating the velocity profile and force profile of a laminar flow fan in a ceiling mounted air conditioner indoor unit, in accordance with one embodiment of the present invention;

fig. 14 is an exploded view of components of a ceiling mounted air conditioner indoor unit according to another embodiment of the present invention; and

fig. 15 is a schematic view showing the construction of the centrifugal fan of the indoor unit of the ceiling type air conditioner shown in fig. 14.

Detailed Description

This embodiment provides a ceiling type air conditioner indoor unit, is provided with the dirt net of straining through the magnet adsorption principle, and the user of being convenient for very much takes off cleanness or installation, avoids the user to shake off the dust in the air or on the ground at the pull dirt net in-process, effectively promotes user's convenient to use degree. Fig. 1 is a schematic view illustrating an overall structure of a ceiling type air conditioner indoor unit 300 according to an embodiment of the present invention; fig. 2 is a schematic view of another perspective of the indoor unit 300 of the ceiling type air conditioner shown in fig. 1; fig. 3 is an exploded view of components of a ceiling mounted air conditioner indoor unit 300 according to an embodiment of the present invention; fig. 4 is a schematic view illustrating the construction of the lower case 312 of the indoor unit 300 of the ceiling type air conditioner shown in fig. 3; fig. 5 is a front sectional view of the indoor unit 300 of the ceiling type air conditioner shown in fig. 3; fig. 6 is a partially enlarged schematic view of the indoor unit 300 of the ceiling type air conditioner shown in fig. 5. As shown in fig. 1 to 6, the indoor unit 300 of the ceiling type air conditioner may generally include: a housing 310, a dust screen 700, and a fan.

The housing 310 defines a cavity therein, and the housing 310 is provided with an air inlet 330 and a first air outlet 321. In a specific embodiment, as shown in fig. 1 to 4, the housing 310 is a rectangular parallelepiped and includes an upper panel 313 and a lower housing 312, and the lower housing 312 includes: a front panel 311, a rear panel 315, a bottom panel 314, and two side panels 316. The bottom plate 314 defines an air inlet 330. in a preferred embodiment, the bottom plate 314 defines a circular air inlet 330 at the center. The front panel 311 and the two side panels 316 are provided with a first air outlet 321, and an air deflector 323 is disposed at the first air outlet 321 to adjust an air outlet direction. That is, the first air outlet 321 may be provided with three outlets to realize three outlets. In other embodiments, other numbers of first air outlets 321 may also be provided, for example, one first air outlet 321 is provided, so as to realize single-sided air outlet; two first air outlets 321 are arranged to realize air outlet from two sides; or four first air outlets 321 may be provided to achieve four-side air outlet, that is, 360 ° air outlet.

The dust filter 700 is disposed at the air inlet 330 by using a magnet adsorption principle, and configured to filter air entering the cavity through the air inlet 330. The dust filter screen 700 can effectively filter dust in air entering the cavity, so that air formed by the fan is cleaner, and the comfort level of a user is improved. Moreover, the shape and size of the dust filter screen 700 may be matched with the shape of the air inlet 330, for example, when the air inlet 330 is circular, the dust filter screen 700 may also be circular, and the diameter of the dust filter screen 700 may be larger than or equal to the diameter of the air inlet 330, so as to ensure that all the air entering the cavity through the air inlet 330 is filtered by the dust filter screen 700. The fan is disposed inside the cavity and configured to make the filtered air form wind and blow out through the first air outlet 321.

Specifically, as shown in fig. 3 to 6, the bottom plate 314 may include a body portion 314a and an extension portion 314b, wherein an inner edge of the body portion 314a extends obliquely upward to form the extension portion 314b, and an upper edge of the extension portion 314b defines the air inlet 330. The ceiling type air conditioner indoor unit 300 may further include: the magnetic ring 710 is sleeved outside the extension portion 314b, and the edge of the dust filter screen 700 may be made of ferromagnetic material so as to be attracted to the inside of the extension portion 314b through the magnetic ring 710. The bottom of the dust filter screen 700 may be provided with a handle 720 for a user to hold, facilitating the user to disassemble and assemble the dust filter screen 700. The dust filter screen 700 is arranged according to the principle of magnet adsorption, so that a user can take off the dust filter screen for cleaning or installation conveniently, the dust is prevented from shaking down in the air or on the ground when the user pulls and pulls the dust filter screen 700, and the use convenience of the user is effectively improved; in addition, the dust filter screen 700 is hung on the inner side of the extension portion 314b of the bottom plate 314, so that invisibility can be realized, and the overall aesthetic degree of the ceiling type air conditioner indoor unit 300 is improved.

The ceiling type air conditioner indoor unit 300 may further include: the evaporator 381 is disposed outside the periphery of the fan and configured to exchange heat with air generated by the fan. In one particular embodiment, as shown in FIG. 3, the evaporator 381 is U-shaped in cross-section with the U-shaped opening facing the back panel 315. The indoor unit 300 of the ceiling type air conditioner further includes: the wind-shielding vortex tongue 800 is arranged at the U-shaped opening of the evaporator 381 to accelerate the wind formed by the fan and make the wind completely enter the evaporator 381 for heat exchange. The two wind-shielding vortex tongues 800 of the present embodiment can just seal the U-shaped opening of the evaporator 381, so as to prevent wind generated by the fan from blowing to other areas of the cavity. In other embodiments, the number of the wind-shielding vortex tongues 800 can be set according to actual requirements.

It should be noted that, because the front panel 311 and the two side panels 316 of this embodiment are provided with the first air outlets 321, and the U-shaped evaporator 381 and the wind-shielding vortex tongue 800 are arranged in a matching manner with the three first air outlets 321, it can be ensured that the air blown out from the first air outlets 321 exchanges heat through the evaporator 381; and the wind after heat exchange can be directly blown out through the three first air outlets 321, so that the wind loss is reduced. In other embodiments, when one first air outlet 321 is provided, the evaporator 381 may be a flat plate, and air is exhausted from a single side after single-side heat exchange; when four first outlets 321 are provided, the evaporator 381 may be frame-shaped, and air is discharged from four sides after heat exchange.

In addition, the ceiling type air conditioner indoor unit 300 may further include: and a water receiving tray 390 disposed below the evaporator 381 to receive the condensed water generated from the evaporator 381. The ceiling type air conditioner indoor unit 300 may further include: a housing 520. The casing 520 covers the evaporator 381 and the fan, and the peripheral wall of the casing 520 is provided with a second air outlet 322 corresponding to the first air outlet 321. The housing 520 may not have a bottom wall, avoiding affecting the fan inlet. The housing 520 may further guide the flow direction of the wind generated by the wind turbine. The second air outlet 322 on the peripheral wall of the housing 520 corresponds to the first air outlet 321, and air generated by the fan exchanges heat through the evaporator 381, and then is blown out through the second air outlet 322 and the first air outlet 321 in sequence.

Figure 7 is a schematic view of the laminar flow fan 100 of the ceiling mounted air conditioner indoor unit 300 of figure 3,

fig. 8 is a structural diagram of another view angle of the laminar flow fan 100 shown in fig. 7, fig. 9 is a structural diagram of another view angle of the laminar flow fan 100 shown in fig. 7, and fig. 10 is a sectional view of the laminar flow fan 100 shown in fig. 7. Fig. 11 is a schematic view illustrating an air circulation of the flow fan 100 in the ceiling type air conditioner 300 according to an embodiment of the present invention, fig. 12 is a schematic view illustrating an air supply principle of the flow fan 100 in the ceiling type air conditioner 300 according to an embodiment of the present invention, and fig. 13 is a velocity distribution and a force distribution diagram of the flow fan 100 in the ceiling type air conditioner 300 according to an embodiment of the present invention.

In a specific embodiment, the fan may be a laminar flow fan 110, and the laminar flow fan 110 includes a laminar flow fan 100 and a drive motor 20. The ceiling type air conditioner indoor unit 300 may further include: and a fixing bracket 350 configured to fix the driving motor 20 to the top wall of the housing 520. Wherein, laminar flow fan 100 includes: the plurality of annular disks 10 are arranged in parallel at intervals and have the same central axis, the centers of the plurality of annular disks 10 jointly form an air inlet channel 11, and air filtered by the dust filter screen 700 enters gaps among the plurality of annular disks 10 through the air inlet channel 11. The driving motor 20 is further configured to drive the plurality of annular disks 10 to rotate, so that the air boundary layer 13 near the surfaces of the plurality of annular disks 10 moves from inside to outside in a rotating manner to form laminar wind. It should be noted that, the plurality of annular disks 10 of the laminar flow fan 100 of the present embodiment are all disposed parallel to the bottom plate 314, that is, the air inlet channel 11 is perpendicular to the bottom plate 314. The inlet of the air intake channel 11 may be opposite to the air intake vent 330, and preferably, the shape and size of the two are matched.

Specifically, the driving motor 20 drives the plurality of annular disks 10 to rotate, so that the plurality of annular disks 10 contact with each other and move with each other, and further the air boundary layer 13 near the surfaces of the plurality of annular disks 10 is driven by the plurality of rotating annular disks 10 to rotate from inside to outside due to the viscous effect to form laminar air. A plurality of air outlets 12 are formed in gaps among the plurality of annular disks, and each air outlet 12 can supply air in 360 degrees.

As shown in fig. 7, the laminar flow fan 100 may further include: a drive disk 30 and a link 40. Wherein the driving disks 30 are spaced apart and arranged in parallel on one side of the plurality of annular disks 10. And a connecting member 40 penetrating the drive disk 30 and the plurality of annular disks 10 to connect the plurality of annular disks 10 to the drive disk 30. The connecting member 40 may be a blade or a rod. The drive motor 20 may also be configured to: the driving disk 30 is directly driven to rotate, and the driving disk 30 drives the plurality of annular disks 10 to rotate. That is, the above-mentioned configuration of the driving motor 20 to drive the plurality of annular discs 10 to rotate depends on the driving motor 20 first driving the driving disc 30 to rotate, and then the driving disc 30 driving the plurality of annular discs 10 to rotate. As shown in fig. 7 to 10, the center of the driving disk 30 may be formed with a groove 32 toward the plurality of annular disks 10, and the driving motor 20 may be fixedly disposed in the groove 32.

In a specific embodiment, the radius of the drive disk 30 is the same as the outer diameter of the plurality of annular disks 10, and may be set in a certain range, for example, 170 mm to 180 mm, so as to constrain the occupied volume of the laminar flow fan 100 in the transverse direction, cooperatively define the number of annular disks 10 and the spacing between two adjacent annular disks 10, and constrain the thickness of the laminar flow fan 100 in the longitudinal direction, which may effectively constrain the entire occupied volume of the laminar flow fan 100. Note that, the inner diameter of the annular disk 10 refers to the radius of its inner circumference; the outer diameter refers to the radius of its outer circumference. The specific values of the outer diameter of the annular disk 10 are merely exemplary and are not intended to limit the present invention.

As shown in fig. 11, the centers of the plurality of annular disks 10 are collectively formed with an air inlet passage 11 to allow air outside the laminar flow fan 100 to enter. A plurality of air discharge ports 12 are formed at gaps between the plurality of annular disks 10 to allow laminar air to be blown out. The process of laminar wind formed by the inward and outward rotating movement of the air boundary layer 13 is centrifugal movement, so that the speed of the air leaving the air outlet 12 is higher than that of the air entering the air inlet channel 11. The pressure difference between the air outlet 12 of the laminar flow fan 100 and the inlet of the air inlet channel 11 is wind pressure. The blowing principle of the laminar flow fan 100 is derived primarily from the "tesla turbine" found in nigula tesla. Tesla turbines mainly utilize the 'laminar boundary layer effect' or 'viscous effect' of the fluid to achieve the purpose of doing work on 'turbine disks'. In the laminar flow fan 100 of this embodiment, the driving disc 30 is driven by the driving motor 20, the driving disc 30 drives the plurality of annular discs 10 to rotate at a high speed, and the air in the spaces between the annular discs 10 contacts and moves with each other, so that the air boundary layer 13 near the surface of each annular disc 10 is driven by the rotating annular disc 10 to rotate from inside to outside due to the action of the viscous shear force τ, thereby forming laminar flow wind.

Fig. 13 is a schematic diagram showing the viscous shear force distribution τ (y) and the velocity distribution u (y) to which the air boundary layer 13 is subjected. The viscous shear force experienced by the air boundary layer 13 is actually the resistance that each annular disk 10 generates to the air boundary layer 13. The axis of abscissa in fig. 13 refers to the distance in the moving direction of the air boundary layer 13, and the axis of ordinate refers to the height of the air boundary layer 13 in the direction perpendicular to the moving direction. v. of_eThe air flow velocity at each point in the air boundary layer 13, δ being the thickness of the air boundary layer 13, τ_wIs a viscous shear force at the surface of the annular disc 10. The variable y in τ (y) and u (y) refers to the height of the cross-section of the boundary layer 13 in the direction perpendicular to the direction of movement, and L is the distance between a point on the inner circumference of the annular disk 10 and a point on the surface of the annular disk 10.τ (y) is the boundary layer 13 cutoff at this distance LThe distribution of viscous shear forces experienced when the height of the face is y; u (y) is the velocity profile at this distance L for a cross-section of the air boundary layer 13 having a height y.

Fig. 14 is an exploded view of components of a ceiling type air conditioner indoor unit 300 according to another embodiment of the present invention, and fig. 15 is a structural view of a centrifugal fan of the ceiling type air conditioner indoor unit 300 shown in fig. 14. In the present embodiment, the fan may be a centrifugal fan 510 including a centrifugal fan 511 and a driving motor 20. As shown in fig. 15, the centrifugal fan 511 may include: an end plate 512, an air inlet ring 513 and an impeller 514, wherein the impeller 514 is arranged between the edge of the end plate 512 and the air inlet ring 513. The center of the end plate 512 is formed with a recess 515 toward the wind inlet ring 513, and the driving motor 20 may be fixedly disposed in the recess 515. The drive motor 20 may also be configured to: the end plate 512 is directly driven to rotate, and the impeller 514 and the air inlet ring 513 are driven to rotate by the end plate 512.

The indoor unit 300 of the ceiling type air conditioner of the present embodiment includes: a housing 310, which defines a cavity therein, and the housing 310 is provided with an air inlet 330 and a first air outlet 321; the dust filter screen 700 is arranged at the air inlet 330 by utilizing the principle of magnet adsorption and is configured to filter air entering the cavity through the air inlet 330; and a fan disposed inside the cavity and configured to blow the filtered air out through the first outlet 321. The dust filter screen 700 can effectively filter dust in air entering the cavity, so that air formed by the fan is cleaner, and the comfort level of a user is improved. In addition, dust filter screen 700 sets up through the magnet adsorption principle, and the user of being convenient for very much takes off cleanness or installation, avoids the user to shake off the dust in the air or on the ground at pull dust filter screen 700 in-process, effectively promotes user's convenient to use degree.

Further, in the indoor unit 300 of the ceiling type air conditioner of the present embodiment, the housing 310 includes an upper panel 313 and a lower housing 312, and the lower housing 312 includes: the air conditioner comprises a front panel 311, a rear panel 315, a bottom plate 314 and two side panels 316, wherein the bottom plate 314 is provided with an air inlet 330, the front panel 311 and the two side panels 316 are provided with first air outlets 321, and air deflectors 323 are arranged at the first air outlets 321 to adjust the air outlet direction. The bottom plate 314 may include a body portion 314a and an extension portion 314b, wherein an inner edge of the body portion 314a is extended obliquely upward to form the extension portion 314b, and an upper edge of the extension portion 314b defines the intake vent 330. The ceiling type air conditioner indoor unit 300 may further include: the magnetic ring 710 is sleeved outside the extension portion 314b, and the edge of the dust filter screen 700 can be made of ferromagnetic material, so that the dust filter screen 700 can be hidden and invisible by being hung on the inner side of the extension portion 314b through the magnetic ring 710, thereby improving the overall aesthetic degree of the ceiling type air conditioner indoor unit 300.

It should be understood by those skilled in the art that, without specific description, terms used in the embodiments of the present invention to indicate orientation or positional relationship such as "up", "down", "left", "right", "front", "back", etc. are based on the actual use state of the ceiling type air conditioner indoor unit 300, and are only used for convenience of description and understanding of the technical solution of the present invention, and do not indicate or imply that the device or component referred to must have a specific orientation, and therefore, should not be construed as limiting the present invention.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A ceiling type air conditioner indoor unit, comprising:

the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein a cavity is defined in the shell;

the dust filter screen is arranged at the air inlet by utilizing the principle of magnet adsorption and is configured to filter air entering the cavity through the air inlet; and

and the fan is arranged in the cavity and is configured to enable the filtered air to form wind and blow out through the first air outlet.

2. The indoor unit of a ceiling type air conditioner according to claim 1,

the casing includes top panel and inferior valve, the inferior valve includes: a front panel, a back panel, a bottom plate and two side panels, and

the bottom plate is provided with the air inlet,

the front panel and the two side panels are provided with the first air outlet, and an air deflector is arranged at the first air outlet to adjust the air outlet direction.

3. The indoor unit of a ceiling type air conditioner according to claim 2,

the base plate comprises a body part and an extension part,

the inner edge of the body part extends upwards in an inclined mode to form an extending part, and the upper edge of the extending part is limited with the air inlet.

4. The indoor unit of claim 3, further comprising:

a magnetic ring sleeved outside the extension part

The edge of the dust filter screen is made of ferromagnetic substances so as to be attracted to the inner side of the extension part through the magnetic ring.

5. The indoor unit of a ceiling type air conditioner according to claim 1,

the bottom of the dust filter screen is provided with a handle for a user to hold.

6. The indoor unit of claim 2, further comprising:

and an evaporator disposed outside a peripheral portion of the fan and configured to exchange heat with air formed by the fan.

7. The indoor unit of a ceiling type air conditioner according to claim 6,

the cross section of the evaporator is U-shaped, and the U-shaped opening faces the rear panel,

the indoor unit of the ceiling type air conditioner further comprises: and the wind shielding vortex tongue is arranged at the U-shaped opening of the evaporator so as to accelerate the wind formed by the fan and enable the wind to completely enter the evaporator for heat exchange.

8. The indoor unit of claim 6, further comprising:

and the housing covers the evaporator and the outer side of the fan, and a second air outlet corresponding to the first air outlet is formed in the peripheral wall of the housing.

9. The indoor unit of a ceiling type air conditioner according to claim 1,

the fan is a laminar flow fan, the laminar flow fan comprises a laminar flow fan and a driving motor,

wherein the laminar flow fan comprises: the annular disks are arranged in parallel at intervals and have the same central axis, the centers of the annular disks form an air inlet channel together, and air filtered by the dust filter screen enters gaps among the annular disks through the air inlet channel;

the drive motor is configured to: and driving the plurality of annular disks to rotate, so that an air boundary layer close to the surfaces of the plurality of annular disks rotationally moves from inside to outside to form laminar wind.

10. The indoor unit of a ceiling-mounted air conditioner according to claim 9,

the laminar flow fan further includes: the driving discs are arranged on one side of the annular discs at intervals in parallel; and a connecting member penetrating the drive disk and the plurality of annular disks to connect the plurality of annular disks to the drive disk,

the drive motor is further configured to: the driving disc is directly driven to rotate, and the driving disc drives the annular discs to rotate.

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