CN220707506U - Fan subassembly and have its new trend module, air conditioner - Google Patents

Abstract

The utility model discloses a fan assembly, a fresh air module with the fan assembly and an air conditioner, wherein the fan assembly comprises: the shell is used for defining a containing cavity, an air inlet channel and an air outlet channel, and the containing cavity is communicated between the air inlet channel and the air outlet channel; the wind wheel is rotatably arranged in the accommodating cavity, and the motor is connected with the wind wheel to drive the wind wheel to rotate; the shell is further provided with a first cavity and a second cavity, the first cavity and the second cavity are located on two opposite sides of the air outlet channel and are communicated with the air outlet channel, and sound absorbing pieces are arranged in the first cavity and the second cavity. According to the fan assembly provided by the embodiment of the utility model, the noise in the air outlet channel is absorbed by the sound absorbing piece, so that the noise transmitted to a designated area by the fan assembly can be reduced through a simple structure, the cost is reduced, and the use experience of a user is improved.

Description

Fan subassembly and have its new trend module, air conditioner

Technical Field

The utility model relates to the technical field of fans, in particular to a fan assembly, a fresh air module with the fan assembly and an air conditioner.

Background

The fan in the related art is used for transporting the air to the appointed area, and when using the fan, the fan can produce the noise, and the excessive noise can influence user's use experience.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the fan assembly, which utilizes the sound absorbing piece to absorb the noise in the air outlet channel, so that the noise transmitted to the appointed area by the fan assembly is reduced, the noise transmitted to the appointed area by the fan assembly can be reduced through a simple structure, the cost is reduced, and the use experience of a user is improved.

The utility model further provides a fresh air module with the fan assembly and an air conditioner.

A fan assembly according to an embodiment of the first aspect of the present utility model includes: the shell is used for defining a containing cavity, an air inlet channel and an air outlet channel, and the containing cavity is communicated between the air inlet channel and the air outlet channel; the wind wheel is rotatably arranged in the accommodating cavity, and the motor is connected with the wind wheel to drive the wind wheel to rotate; the shell is further provided with a first cavity and a second cavity, the first cavity and the second cavity are located on two opposite sides of the air outlet channel and are communicated with the air outlet channel, and sound absorbing pieces are arranged in the first cavity and the second cavity.

According to the fan assembly provided by the embodiment of the utility model, the noise in the air outlet channel is absorbed by the sound absorbing piece, so that the noise transmitted to a designated area by the fan assembly is reduced, the noise transmitted to the designated area by the fan assembly can be reduced through a simple structure, the cost is reduced, and the use experience of a user is improved.

In addition, the fan assembly according to the above embodiment of the present utility model may further have the following additional technical features:

according to some embodiments of the utility model, the first chamber, the air outlet channel and the second chamber are arranged in a direction parallel to the axial direction of the wind wheel, at least a part of the first chamber and/or the second chamber facing the air outlet channel.

According to some embodiments of the utility model, the first chamber is in communication with the air outlet channel through a plurality of first air holes, and the second chamber is in communication with the air outlet channel through a plurality of second air holes.

According to some alternative embodiments of the utility model, the housing comprises: the shell body is used for defining the accommodating cavity, the air inlet channel and the air outlet channel; a first sound-proof housing disposed outside the housing body and cooperating with the housing body to collectively define the first chamber; the second sound-proof housing is arranged on one side, facing away from the first sound-proof housing, of the housing body and is matched with the housing body so as to jointly define the second cavity.

In some embodiments, the housing body includes a first grill portion and a second grill portion, the first grill portion and the second grill portion constituting at least a portion of opposite side walls of the air outlet passage, the first grill portion defining a plurality of the first air holes, the second grill portion defining a plurality of the second air holes.

In some embodiments, a portion of the housing body facing the first sound-proof housing is raised toward the first sound-proof housing to form a protrusion at one axial end of the wind wheel and defining the air intake passage.

In some examples, the sound absorbing member within the first chamber is located on a side of the boss.

According to some embodiments of the utility model, the accommodating cavity and the air outlet channel are arranged in a first direction, the housing is provided with a first side wall and a second side wall which are oppositely arranged in a second direction, and the first direction, the second direction and the axial direction of the wind wheel are mutually perpendicular; the housing is internally provided with a separation part, the separation part extends from the first side wall to the second side wall along the circumferential direction of the wind wheel, an outlet of the air outlet channel is arranged on the first side wall, the accommodating cavity is communicated with the air outlet channel through an air passing port, and the air passing port is positioned between the separation part and the second side wall.

According to some alternative embodiments of the utility model, a distance between an end of the partition adjacent to the second side wall and the second side wall is smaller than a distance between an end of the partition adjacent to the second side wall and the first side wall.

According to some embodiments of the utility model, the cross-sectional area of the outlet air channel increases gradually in the direction of the air flow.

According to a second aspect of the present utility model, an embodiment provides a fresh air module of an air conditioner, where the fresh air module of the air conditioner includes a fan assembly and a filter according to the first aspect of the present utility model, and an inlet of the air inlet channel is a fresh air inlet; the filter element is arranged in the air inlet channel.

According to the fresh air module of the air conditioner, the fan assembly according to the embodiment of the first aspect of the utility model is utilized, and the noise in the air outlet channel is absorbed by the sound absorbing piece, so that the noise transmitted to a designated area by the fan assembly is reduced, the noise transmitted to the designated area by the fan assembly can be reduced through a simple structure, the cost is reduced, and the use experience of a user is improved.

According to a third aspect of the present utility model, an embodiment proposes an air conditioner comprising a fan assembly according to an embodiment of the first aspect of the present utility model; or, a fresh air module comprising the air conditioner according to the embodiment of the second aspect of the utility model.

According to the air conditioner disclosed by the embodiment of the utility model, the fan assembly according to the first aspect of the utility model or the fresh air module of the air conditioner according to the embodiment of the second aspect of the utility model is utilized, and the noise in the air outlet channel is absorbed by the sound absorbing piece, so that the noise transmitted to the appointed area by the fan assembly is reduced, the noise transmitted to the appointed area by the fan assembly can be reduced through a simple structure, the cost is reduced, and the use experience of a user is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a fresh air module according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a fresh air module according to an embodiment of the present utility model.

FIG. 3 is a cross-sectional view of a fresh air module according to an embodiment of the utility model.

FIG. 4 is a schematic view of a portion of a fan assembly according to an embodiment of the present utility model.

FIG. 5 is a schematic view of a portion of a fan assembly according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a second shell portion according to an embodiment of the present utility model.

Reference numerals: the housing 10, the air outlet 101, the housing body 11, the first side wall 111, the second side wall 112, the first grill portion 113, the second grill portion 114, the convex portion 115, the first housing portion 116, the first boss 1161, the second housing portion 117, the second boss 1171,

the partition portion 12 is provided with a plurality of grooves,

the accommodating chamber 13, the air inlet channel 14, the first air inlet chamber 141, the second air inlet chamber 142, the air outlet channel 15, the first chamber 16, the first air hole 161, the second chamber 17, the second air hole 171,

the first sound-proof housing 181, the second sound-proof housing 182,

the wind wheel 21, the motor 22,

the sound absorbing member 50, the first sound absorbing member 51, the second sound absorbing member 52,

fresh air module 8, fresh air inlet 81, filter 82.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A fan assembly according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1-6, a fan assembly according to an embodiment of the present utility model includes a housing 10, a wind wheel 21, and a motor 22.

The housing 10 defines a containing cavity 13, an air inlet channel 14 and an air outlet channel 15, the containing cavity 13 is communicated between the air inlet channel 14 and the air outlet channel 15, the wind wheel 21 is rotatably arranged in the containing cavity 13, the motor 22 is connected with the wind wheel 21 to drive the wind wheel 21 to rotate, when the wind wheel 21 rotates, the wind wheel 21 can drive air to enter the containing cavity 13 along the air inlet channel 14, the air in the containing cavity 13 is driven to enter the air outlet channel 15, and the air in the containing cavity 13 flows to a designated area along the air outlet channel 15 so as to guide the air to the designated area.

The housing 10 further defines a first chamber 16 and a second chamber 17, the first chamber 16 and the second chamber 17 are located at two opposite sides of the air outlet channel 15, the first chamber 16 and the second chamber 17 are both communicated with the air outlet channel 15, sound absorbing members 50 are disposed in the first chamber 16 and the second chamber 17, under the driving of the wind wheel 21, noise is generated when air flows in the air outlet channel 15, meanwhile, the wind wheel 21 also generates noise when rotating, when the generated noise is transmitted to the air outlet channel 15, the sound enters the first chamber 16 and the second chamber 17, and the sound absorbing members 50 in the first chamber 16 and the second chamber 17 can buffer the vibration of the air, namely absorb energy in the sound, so that the noise transmitted from the air outlet channel 15 can be reduced, and the noise transmitted to a designated area by the fan assembly is reduced.

Specifically, the generated noise in the fan assembly is transmitted to the designated area through the outlet of the air outlet channel 15, the first chamber 16 and the second chamber 17 are arranged at two opposite sides of the air outlet channel 15, the sound absorbing member 50 is arranged in the first chamber 16 and the second chamber 17, and the sound in the air outlet channel 15 is absorbed by the sound absorbing member 50 so as to reduce the noise in the air outlet channel 15, further reduce the noise transmitted from the outlet of the air outlet channel 15 and reduce the noise transmitted to the designated area.

In addition, the sound absorbing member 50 is arranged in the first chamber 16 and the second chamber 17, the positions of the sound absorbing member 50 are limited by the first chamber 16 and the second chamber 17, the sound absorbing member 50 is prevented from entering the air outlet channel 15, the sound absorbing member 50 is prevented from affecting the flow speed and the flow direction of air in the air outlet channel 15, and the stable flow of the air in the air outlet channel 15 is further ensured.

Wherein, through setting up first cavity 16, second cavity 17, with inhale sound piece 50 setting in first cavity 16 and second cavity 17, just can realize the noise reduction to the fan subassembly through simple structure, be convenient for practice thrift the cost, simultaneously, the space that first cavity 16 and second cavity 17 occupy need not too big, inhale sound piece 50 also can adopt thinner material can realize making an uproar to the fan subassembly, be convenient for reduce the space that the fan subassembly occupy, the miniaturized design of fan subassembly of being convenient for.

Therefore, the fan assembly according to the embodiment of the present utility model absorbs noise in the air outlet passage 15 by using the sound absorbing member 50, and can reduce noise transmitted to a designated area by the fan assembly through a simple structure, thereby facilitating cost reduction and user experience improvement.

A fan assembly according to a specific embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1-6, a fan assembly according to an embodiment of the present utility model includes a housing 10, a wind wheel 21, and a motor 22.

In some embodiments of the present utility model, the first chamber 16, the air outlet passage 15 and the second chamber 17 are arranged in a direction parallel to the axial direction of the wind wheel 21, and the first chamber 16 and the second chamber 17 are located at both sides of the air outlet passage 15 to absorb sound in the air outlet passage 15 by using the sound absorbing members 50 in the first chamber 16 and the second chamber 17, thereby enabling to reduce noise transmitted from the outlet of the air outlet passage 15 to a designated area.

At least a portion of the first chamber 16 and/or the second chamber 17 is opposite to the air outlet channel 15, so that the sound in the air outlet channel 15 can directly enter the first chamber 16 and the second chamber 17, so that the efficiency of absorbing the sound by the sound absorbing member 50 is improved, and the noise in the air outlet channel 15 is reduced sufficiently.

In some embodiments, as shown in fig. 3, the axial direction of the wind wheel 21 extends along the left-right direction, at least a portion of the first chamber 16 faces the air outlet channel 15 along the left-right direction, and at least a portion of the second chamber 17 faces the air outlet channel 15 along the left-right direction, so that the sound generated in the air outlet channel 15 can directly enter the first chamber 16 and the second chamber 17 along the left-right direction, and the sound absorbing members 50 in the first chamber 16 and the second chamber 17 can quickly and uniformly absorb the energy of the sound in the air outlet channel 15, so that the noise in the air outlet channel 15 is quickly and fully reduced.

In some embodiments of the present utility model, the first chamber 16 is in communication with the air outlet channel 15 through a plurality of first air holes 161, and the sound in the air outlet channel 15 can enter the first chamber 16 through the first air holes 161, and the sound absorbing member 50 in the first chamber 16 can buffer the vibration in the air, that is, absorb the energy of the sound in the air, so as to reduce the noise transmitted from the outlet of the air outlet channel 15 to the designated area.

The second chamber 17 is in communication with the air outlet channel 15 through a plurality of second air holes 171, and sound in the air outlet channel 15 can enter the second chamber 17 through the second air holes 171, and the sound absorbing member 50 in the second chamber 17 can buffer vibration in air, that is, absorb energy of sound in air, so as to reduce noise transmitted from the outlet of the air outlet channel 15 to a designated area.

In some alternative embodiments of the present utility model, as shown in fig. 2, the housing 10 includes a housing body 11, a first sound-proof housing 181 and a second sound-proof housing 182, where the housing body 11 defines the accommodating cavity 13, the air inlet channel 14 and the air outlet channel 15, the first sound-proof housing 181 is disposed outside the housing body 11, and the first sound-proof housing 181 cooperates with the housing body 11 to jointly define the first chamber 16, so as to define the sound absorbing member 50 in the first chamber 16, and thus, after the sound in the air outlet channel 15 enters the first chamber 16, the sound in the first chamber 16 is prevented from leaking.

The second sound-proof housing 182 is disposed on a side of the housing body 11 facing away from the first sound-proof housing 181, and the second sound-proof housing 182 is matched with the housing body 11 to define the second chamber 17 together, so as to define the sound absorbing member 50 in the second chamber 17, and further prevent the sound in the second chamber 17 from leaking after the sound in the air outlet passage 15 enters the second chamber 17.

As shown in fig. 3, in the present embodiment, the first sound-proof housing 181 and the second sound-proof housing 182 are disposed on the left and right sides of the housing body 11, the first sound-proof housing 181 and the left side wall of the housing body 11 define the first chamber 16, the second sound-proof housing 182 and the right side wall of the housing body 11 define the second chamber 17, the air outlet passage 15 is located between the first chamber 16 and the second chamber 17, the air outlet passage 15 extends in the front-rear direction, the noise generated in the air outlet passage 15 can enter the first chamber 16 from the first air hole 161, enter the second chamber 17 from the second air hole 171, the sound absorbing member 50 in the first chamber 16 and the second chamber 17 can buffer the vibration in the air, absorb the energy in the sound, and further can reduce the noise transmitted at the outlet of the air outlet passage 15, and reduce the noise transmitted to the designated area.

In some embodiments of the present utility model, as shown in fig. 5 and 6, the housing body 11 includes a first grille part 113 and a second grille part 114, where the first grille part 113 and the second grille part 114 form at least a part of two opposite sidewalls of the air outlet channel 15, and the first grille part 113 defines a plurality of first air holes 161, so that the sound in the air outlet channel 15 can enter the first chamber 16 from the plurality of first air holes 161 on the first grille part 113, and the sound absorbing member 50 in the first chamber 16 can absorb the energy of the sound in the first chamber 16, so as to reduce the noise transferred to the designated area at the outlet of the air outlet channel 15.

The second grille part 114 defines a plurality of second air holes 171, and sound in the air outlet channel 15 can enter the second chamber 17 from the plurality of second air holes 171 on the second grille part 114, and the sound absorbing member 50 in the second chamber 17 can absorb energy of sound in the second chamber 17, so that noise transmitted to a designated area at the outlet of the air outlet channel 15 is reduced.

In some embodiments, the first grille part 113 forms a left side wall of the air outlet channel 15, the second grille part 114 forms a right side wall of the air outlet channel 15, sound in the air outlet channel 15 may enter the first chamber 16 to the left, the sound absorbing member 50 in the first chamber 16 may absorb energy of the entering sound, sound in the air outlet channel 15 may enter the second chamber 17 to the right, and the sound absorbing member 50 in the second chamber 17 may absorb energy of the entering sound.

The areas of the left side wall and the right side wall of the air outlet channel 15 are larger than the areas of the upper side wall and the lower side wall of the air outlet channel 15, the first grille part 113 forms the left side wall of the air outlet channel 15, the second grille part 114 forms the right side wall of the air outlet channel 15, so as to increase the communication area of the first chamber 16 and the air outlet channel 15, and the communication area of the second chamber 17 and the air outlet channel 15, so that sound in the air outlet channel 15 can smoothly enter the first chamber 16 and the second chamber 17, thereby being convenient for improving the efficiency of absorbing sound by the sound absorbing member 50, and improving the efficiency of reducing noise in the air outlet channel 15 by the sound absorbing member 50.

In some examples, the sound absorbing member 50 includes a first sound absorbing member 51 and a second sound absorbing member 52, the first sound absorbing member 51 is located in the first chamber 16, the first sound absorbing member 51 covers a left side wall of the air outlet channel 15 in a projection in a left-right direction, the second sound absorbing member 52 is located in the second chamber 17, and the second sound absorbing member 52 covers a right side wall of the air outlet channel 15 in a projection in a left-right direction, so as to increase contact areas of the first sound absorbing member 51, the second sound absorbing member 52 and the air outlet channel 15, and further enable the first sound absorbing member 51 and the second sound absorbing member 52 to fully absorb energy of sound in the air outlet channel 15 to fully reduce noise in the air outlet channel 15.

In some embodiments, as shown in fig. 5 and 6, the case body 11 includes a first case portion 116 and a second case portion 117, the first case portion 116 and the second case portion 117 are connected by a fastener, the first case portion 116 and the second case portion 117 together define the accommodating chamber 13, the air outlet passage 15 and the air inlet passage 14, a left wall of the first case portion 116 is the first grill portion 113, and a right wall of the second case portion 117 is the second grill portion 114.

The front, rear and upper side walls of the first shell portion 116 are provided with a plurality of first lugs 1161 on a side facing away from the accommodating chamber 13, first fixing holes are formed in the first lugs 1161, a plurality of second lugs 1171 are formed in a side facing away from the accommodating chamber 13, second fixing holes are formed in the second lugs 1171, and the first fixing holes correspond to the second fixing holes, and fasteners penetrate through the first fixing holes and the second fixing holes to fix the first shell portion 116 and the second shell portion 117 together.

Specifically, when it is desired to mount the wind wheel 21 in the accommodating chamber 13, the fastening members may be detached to separate the first and second casing parts 116 and 117, then the wind wheel 21 may be placed on the first or second casing parts 116 and 117, and after the position of the wind wheel 21 is determined, the fastening members may be passed through the first and second fixing holes to fix the first and second casing parts 116 and 117 together, thereby defining the wind wheel 21 in the accommodating chamber 13.

In some embodiments of the present utility model, as shown in fig. 3, a portion of the housing body 11 facing the first sound-proof housing 181 protrudes toward the first sound-proof housing 181 to form a protrusion 115, the protrusion 115 is located at one end of the wind wheel 21 in the axial direction, the protrusion 115 defines an air inlet channel 14, and under the driving of the wind wheel 21, air may enter the air inlet channel 14 in the axial direction of the wind wheel 21, enter the accommodating chamber 13 along the air inlet channel 14, enter the air outlet channel 15 from the accommodating chamber 13, and flow to a designated area along the air outlet channel 15.

The sound in the air outlet channel 15 can enter the first chamber 16 and the second chamber 17, and the sound absorbing member 50 in the first chamber 16 and the second chamber 17 can absorb the vibration generated in the air, so as to absorb the energy in the sound, reduce the noise in the air outlet channel 15, and reduce the noise transmitted to the designated area.

As shown in fig. 5, in this embodiment, when the wind wheel 21 is a centrifugal wind wheel 21 and the motor 22 drives the wind wheel 21 to rotate in the accommodating cavity 13, the wind wheel 21 can drive air to enter the air inlet channel 14 along the axial direction of the wind wheel 21, that is, along the front-rear direction, into the accommodating cavity 13 along the air inlet channel 14, and the air in the accommodating cavity 13 flows along the circumferential direction of the wind wheel 21 and enters the air outlet channel 15 under the driving of the wind wheel 21, so as to flow to a designated area along the air outlet channel 15.

In some embodiments, the sound absorbing member 50 in the first chamber 16 is located at a side of the protrusion 115, so that the position of the sound absorbing member 50 in the first chamber 16 is limited by the protrusion 115, so that when the sound absorbing member 50 is installed, the position of the sound absorbing member 50 relative to the housing body 11 can be quickly determined according to the position of the protrusion 115, and then the sound absorbing member 50 can be quickly arranged in the first chamber 16, so that the sound in the air outlet channel 15 can enter the first chamber 16, and the sound absorbing member 50 in the first chamber 16 can buffer the vibration of the air, and then can absorb the sound, and reduce the noise in the air outlet channel 15.

In addition, the position of the first soundproof cover 181 may be defined by the protruding portion 115, so that when the first soundproof cover 181 is mounted, the position of the first soundproof cover 181 with respect to the case body 11 may be quickly determined according to the position of the protruding portion 115, and the first soundproof cover 181 may be provided at a predetermined position, and the first chamber 16 may be defined by the first soundproof cover 181 and the case body 11.

Wherein, the first chamber 16 and the second chamber 17 are disposed on two opposite sides of the air outlet channel 15, and after the position of the first sound-proof cover 181 relative to the housing body 11 is determined by using the convex portion 115, the position of the second sound-proof cover 182 relative to the housing body 11 can be quickly determined, so that the sound absorbing member 50 can be conveniently and quickly disposed in the first chamber 16 and the second chamber 17, and the first sound-proof cover 181 and the second sound-proof cover 182 can be quickly mounted on the housing body 11 at corresponding positions.

In some embodiments, as shown in fig. 3, the lower portion of the left side wall of the housing body 11 protrudes leftwards to form a protrusion 115, the first chamber 16 is located on the upper side of the protrusion 115, the upper surface of the protrusion 115 forms the lower side wall of the first chamber 16, the sound absorbing member 50 in the first chamber 16 is disposed on the upper side of the protrusion 115, the first sound-proof housing 181 is disposed on the left side of the protrusion 115, and the first sound-proof housing 181 and the protrusion 115 together define the air inlet channel 14.

The inlet of the air outlet channel 15 is disposed at the lower side of the air outlet channel 15, under the driving of the wind wheel 21, air can enter the air inlet channel 14 from the inlet of the air inlet channel 14, and flows right to the accommodating cavity 13 along the left-right direction, under the driving of the wind wheel 21, air in the accommodating cavity 13 can flow into the air outlet channel 15 along the circumferential direction of the wind wheel 21, and flows to the designated area along the air outlet channel 15.

In some examples, as shown in fig. 3, the filter 82 is disposed in the air intake channel 14 in an inclined manner, the filter 82 divides the air intake channel 14 into a first air intake chamber 141 and a second air intake chamber 142, the first air intake chamber 141 is communicated with the inlet of the air intake channel 14, the second air intake chamber 142 is communicated with the accommodating chamber 13, and air entering the first air intake chamber 141 from the inlet of the air intake channel 14 enters the second air intake chamber 142 after being filtered by the filter 82, and enters the accommodating chamber 13 along the second air intake chamber 142.

The filter 82 is obliquely disposed in the air inlet channel 14, so that the contact area between the filter 82 and the air in the first air inlet cavity 141 is increased, and the efficiency of the filter 82 for filtering the air in the first air inlet cavity 141 is improved, so that the filter 82 can sufficiently and rapidly filter the air in the first air inlet cavity 141.

In some embodiments of the present utility model, the accommodating chamber 13 and the air outlet passage 15 are arranged in a first direction, the housing 10 has a first sidewall 111 and a second sidewall 112, the first sidewall 111 and the second sidewall 112 are disposed opposite to each other in a second direction, and the first direction, the second direction, and the axial direction of the wind wheel 21 are perpendicular to each other.

The inside of the shell 10 is provided with the partition part 12, the partition part 12 extends from the first side wall 111 to the second side wall 112 along the circumferential direction of the wind wheel 21, the outlet of the air outlet channel 15 is arranged on the first side wall 111, the accommodating cavity 13 is communicated with the air outlet channel 15 through the air passing opening 101, the air passing opening 101 is arranged between the partition part 12 and the second side wall 112, the distance between the air passing opening 101 and the outlet of the air outlet channel 15 is conveniently increased, the length of the air outlet channel 15 is further increased, the flowing time of air in the air outlet channel 15 is prolonged, and the noise generated by the air in the air outlet channel 15 can be sufficiently reduced by the sound absorbing piece 50.

As shown in fig. 2 and 5, in the present embodiment, the accommodating chamber 13 is located at the lower side of the air outlet channel 15 in the vertical direction, the second direction extends in the front-rear direction, the first sidewall 111 is the front sidewall of the housing 10, the second sidewall 112 is the rear sidewall of the housing 10, the outlet of the air outlet channel 15 is provided at the front sidewall of the housing 10, the partition 12 extends along the circumferential direction of the wind wheel 21, the rear end of the partition 12 and the rear sidewall of the housing 10 define the air outlet 101, that is, the air in the accommodating chamber 13 flows along the circumferential direction of the wind wheel 21 and flows into the air outlet channel 15 from the air outlet 101 at the rear end of the partition 12 under the driving of the wind wheel 21, and the air in the air outlet channel 15 flows forward in the front-rear direction toward the outlet of the air outlet channel 15.

The air outlet 101 is disposed at the rear end of the partition portion 12, and the outlet of the air outlet channel 15 is located at the front end of the air outlet channel 15, so that the length of the air outlet channel 15 can be extended by extending the rear end of the partition portion 12 toward the rear side wall of the housing 10, so that the length of the air outlet channel 15 can be extended, and the time of air flowing in the air outlet channel 15 can be further extended, so that the sound absorbing members 50 in the first chamber 16 and the second chamber 17 can fully absorb the sound in the air outlet channel 15.

In addition, the noise generated at the wind wheel 21 in the fan assembly is large, so that the outlet of the air outlet channel 15 is far away from the air outlet 101, and when the sound is transmitted to a designated area from the outlet of the air outlet channel 15, the energy in the sound can be consumed, and the noise transmitted to the designated area by the wind wheel 21 is further reduced.

In some alternative embodiments of the present utility model, as shown in fig. 5, a distance between an end of the partition 12 near the second side wall 112 and the second side wall 112 is smaller than a distance between an end of the partition 12 near the second side wall 112 and the first side wall 111 to dispose the air outlet 101 at a position near the second side wall 112, so that the air outlet 101 can be disposed away from an outlet of the air outlet passage 15 because an outlet of the air outlet passage 15 is located on the first side wall 111.

Specifically, the noise that wind wheel 21 department produced is great, sets up the export that wind gap 101 kept away from air-out passageway 15, and the noise of wind wheel 21 department can not directly reach the appointed region from the export of air-out passageway 15, and the noise of wind wheel 21 department need just can transmit the appointed region through air-out passageway 15, prolongs the length of air-out passageway 15 to consume the energy in the sound, and then be convenient for reduce the noise that wind wheel 21 department transmitted to the appointed region.

In some embodiments of the present utility model, the area of the cross section of the air outlet channel 15 is gradually increased in the air flowing direction, so that the area of the outlet of the air outlet channel 15 is conveniently increased, on one hand, the resistance to the air flowing in the air outlet channel 15 is conveniently reduced, so that the air in the air outlet channel 15 can stably flow to a designated area, and on the other hand, the air outlet area is conveniently enlarged, so that the air in the air outlet channel 15 can uniformly flow to the designated area.

In some embodiments, the sound absorbing member 50 is made of flexible materials such as cotton, and sound in the air outlet channel 15 can enter the first chamber 16 and the second chamber 17, and the sound absorbing member 50 in the first chamber 16 and the second chamber 17 can buffer vibration in air, so that noise can be reduced.

Meanwhile, the sound absorbing member 50 is arranged in the first chamber 16 and the second chamber 17, so that the influence of the sound absorbing member 50 on the air flow in the air outlet channel 15 is avoided, and the influence on the air flow rate in the air outlet channel 15 and the air outlet quantity of the fan assembly are avoided.

The fresh air module 8 of the air conditioner according to the embodiment of the present utility model is described below. The fresh air module 8 of the air conditioner according to the embodiment of the present utility model includes the fan assembly and the filter 82 according to the above-described embodiment of the present utility model.

The import of air inlet channel 14 is fresh air inlet 81, and filter 82 locates in the air inlet channel 14, and filter 82 can filter the air of air inlet channel 14 internal through filter 82, and then can guarantee to get into the clean of holding the intracavity 13 internal air, avoids unclean air to cause the pollution to holding the wind wheel 21 in the intracavity 13, and then can guarantee the clean of air in the air-out passageway 15 to provide clean air to appointed region.

In some examples, the filter 82 is disposed obliquely within the air intake channel 14, the filter 82 divides the air intake channel 14 into a first air intake chamber 141 and a second air intake chamber 142, the first air intake chamber 141 is in communication with the fresh air inlet 81, the second air intake chamber 142 is in communication with the receiving chamber 13, air entering the first air intake chamber 141 from the fresh air inlet 81 is filtered by the filter 82 and enters the second air intake chamber 142, and enters the receiving chamber 13 along the second air intake chamber 142.

The filter 82 is obliquely disposed in the air inlet channel 14, so that the contact area between the filter 82 and the air in the first air inlet cavity 141 is increased, and the filtering efficiency of the filter 82 on the air in the first air inlet cavity 141 is improved, so that the filter 82 can sufficiently and rapidly filter the air in the first air inlet cavity 141.

In some examples, the side wall of the housing 10 is provided with a pick-and-place opening, which communicates with the air inlet channel 14, and the filter 82 is retractably disposed in the air inlet channel 14 from the pick-and-place opening, so as to facilitate cleaning or replacement of the filter 82.

According to the fresh air module 8 of the air conditioner, the fan assembly according to the embodiment of the utility model is utilized, and the noise in the air outlet channel 15 is absorbed by the sound absorbing piece 50, so that the noise transmitted to a designated area by the fan assembly is reduced, and the use experience of a user is improved conveniently.

An air conditioner according to an embodiment of the present utility model is described below. The air conditioner according to the embodiment of the present utility model includes the fan assembly or the fresh air module 8 of the air conditioner according to the above embodiment of the present utility model.

Other constructions and operations of the air conditioner according to the embodiment of the present utility model are known to those skilled in the art, and will not be described in detail herein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A fan assembly, comprising:

the shell is used for defining a containing cavity, an air inlet channel and an air outlet channel, and the containing cavity is communicated between the air inlet channel and the air outlet channel;

the wind wheel is rotatably arranged in the accommodating cavity, and the motor is connected with the wind wheel to drive the wind wheel to rotate;

the shell is further provided with a first cavity and a second cavity, the first cavity and the second cavity are located on two opposite sides of the air outlet channel and are communicated with the air outlet channel, and sound absorbing pieces are arranged in the first cavity and the second cavity.

2. The fan assembly of claim 1, wherein the first chamber, the air outlet channel and the second chamber are arranged in a direction parallel to the axial direction of the wind wheel, at least a portion of the first chamber and/or the second chamber facing the air outlet channel.

3. The fan assembly of claim 1, wherein the first chamber communicates with the air outlet passage through a plurality of first air holes and the second chamber communicates with the air outlet passage through a plurality of second air holes.

4. The fan assembly of claim 3 wherein the housing comprises:

the shell body is used for defining the accommodating cavity, the air inlet channel and the air outlet channel;

a first sound-proof housing disposed outside the housing body and cooperating with the housing body to collectively define the first chamber;

the second sound-proof housing is arranged on one side, facing away from the first sound-proof housing, of the housing body and is matched with the housing body so as to jointly define the second cavity.

5. The fan assembly of claim 4, wherein the housing body includes a first grill portion and a second grill portion, the first grill portion defining a plurality of the first air holes and the second grill portion defining a plurality of the second air holes, the first grill portion and the second grill portion forming at least a portion of opposite side walls of the air outlet channel.

6. The fan assembly of claim 4, wherein a portion of the housing body facing the first sound housing is raised toward the first sound housing to form a protrusion, the protrusion being located at one axial end of the wind wheel and the protrusion defining the air intake passage.

7. The fan assembly of claim 6 wherein the sound absorbing member within the first chamber is located on a side of the boss.

8. The fan assembly of any of claims 1-7 wherein the containment chamber and the air outlet passage are arranged in a first direction, the housing having first and second sidewalls disposed opposite one another in a second direction, the first, second and axial directions of the rotor being perpendicular to one another;

the housing is internally provided with a separation part, the separation part extends from the first side wall to the second side wall along the circumferential direction of the wind wheel, an outlet of the air outlet channel is arranged on the first side wall, the accommodating cavity is communicated with the air outlet channel through an air passing port, and the air passing port is positioned between the separation part and the second side wall.

9. The fan assembly of claim 8 wherein a distance between an end of the divider proximate the second sidewall and the second sidewall is less than a distance between an end of the divider proximate the second sidewall and the first sidewall.

10. The fan assembly of any of claims 1-7 wherein the cross-sectional area of the outlet passage increases gradually in the direction of air flow.

11. A fresh air module of an air conditioner, comprising:

a fan assembly according to any one of claims 1 to 10, wherein the inlet of the air inlet channel is a fresh air inlet;

the filter piece is arranged in the air inlet channel.

12. An air conditioner comprising a blower assembly according to any one of claims 1-10; alternatively, a fresh air module comprising an air conditioner according to claim 11.