CN215260132U

CN215260132U - Ventilation assembly and air conditioner with same

Info

Publication number: CN215260132U
Application number: CN202121787827.3U
Authority: CN
Inventors: 林东明; 张卫东; 张帆; 郑辉
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-21
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a subassembly of taking a breath and air conditioner that has it, the subassembly of taking a breath includes: the shell is provided with a first vent hole and a second vent hole; the air duct piece is rotatably arranged in the rotating space; the wind wheel is rotatably arranged in the air duct piece; the air exchange motor is connected with the wind wheel to drive the wind wheel to rotate; the driving piece is connected with the air channel piece to drive the air channel piece to rotate so as to enable the air exchange assembly to be switched between an air suction state and an air exhaust state, and in the air suction state, the air channel piece, the wind wheel and the rotating space are matched to enable the first air vent to intake air and the second air vent to exhaust air; in the state of airing exhaust, the air duct piece, the wind wheel and the rotating space are matched to enable the first air vent to exhaust air and the second air vent to intake air. The air suction state and the air exhaust state of the air exchange assembly can be switched by rotating the driving air duct piece, so that the working requirements of introducing outdoor fresh air and exhausting indoor air of the air conditioner are met, and an air circulation channel is not required to be additionally arranged.

Description

Ventilation assembly and air conditioner with same

Technical Field

The application relates to the technical field of air treatment equipment, in particular to a ventilation assembly and an air conditioner with the same.

Background

At present, a fresh air pipeline and an exhaust pipeline of an air conditioner are two relatively independent circulation pipelines, and a wall hole needs to be additionally arranged on a wall so as to meet the requirements of introducing fresh air into the air conditioner and exhausting indoor air to the outside, and further influence the indoor attractiveness.

In the correlation technique, although have the new trend module that can realize new trend and a pipeline of function sharing of airing exhaust among the part air conditioner, but need set up devices such as a great amount of valves, step motor among the new trend module, open and shut through step motor drive a plurality of valves respectively and realize the switching-over of inhaling the wind among the new trend module to lead to the structure of new trend module complicated, high in production cost, and because the wind channel structure in the new trend module is complicated, will lead to the windage great, and then lead to the amount of wind loss serious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a subassembly of taking a breath, can realize induced drafting the state and the switching between the state of airing exhaust through adjusting the wind channel spare, the regulative mode is simple.

The utility model discloses still provide an air conditioner.

According to the utility model discloses subassembly of taking a breath of first aspect embodiment includes: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein a rotating space is defined in the shell; the air duct piece is rotatably arranged in the rotating space; the wind wheel is rotatably arranged in the air duct piece; the ventilation motor is connected with the wind wheel to drive the wind wheel to rotate; the driving piece is connected with the air channel piece to drive the air channel piece to rotate so as to enable the air exchange assembly to be switched between an air suction state and an air exhaust state, and in the air suction state, the air channel piece, the wind wheel and the rotating space are matched to enable the first air vent to intake air and the second air vent to exhaust air; in the air exhaust state, the air duct piece, the wind wheel and the rotating space are matched to enable the first air vent to exhaust air and the second air vent to intake air.

According to the utility model discloses the subassembly of taking a breath rotates through drive wind channel spare and can switch the state of induced drafting and the state of airing exhaust of subassembly of taking a breath to can satisfy the air conditioner and introduce outdoor new trend and the work demand of discharge room air, need not additionally to set up the circulation of air passageway, keep the aesthetic property of air conditioner mounted position department wall body, the simple just reliability of the regulative mode of subassembly of taking a breath simultaneously is high.

According to some embodiments of the present invention, an air inlet space is defined between the outer wall of the air duct member and the inner wall of the rotation space, an air inlet communicated with the air inlet space is provided on the air duct member, an air outlet is provided on the air duct member, and in the air suction state, the air outlet rotates to be communicated with the second vent hole and the first vent hole is communicated with the air inlet space; in the air exhaust state, the air outlet rotates to be communicated with the first vent hole, and the second vent hole is communicated with the air inlet space.

According to some embodiments of the present invention, in the axial direction of the wind wheel, the ventilation motor and the driving member are located on the same side of the housing.

According to some embodiments of the utility model, the air inlet end of wind channel spare is injectd to the negative pressure zone, wind channel spare rotates so that the air inlet end with first ventilation hole intercommunication or with second ventilation hole intercommunication.

According to some embodiments of the utility model, be equipped with a plurality of baffles on the inner wall of shell, the relative periphery wall of wind channel spare all with the baffle contact.

According to some embodiments of the present invention, the air suction state and the air discharge state, each of the relative peripheral walls of the air duct member is in contact with a plurality of the partition plates.

According to the utility model discloses a some embodiments, at the closed condition, the air-out end of wind channel spare rotates to adjacent two between the baffle.

According to some embodiments of the invention, the air duct piece comprises: the driving piece is connected with the fixed plate body; first wind channel portion and second wind channel portion, first wind channel portion with second wind channel portion interval sets up on the lateral wall of fixed plate body, first wind channel portion second wind channel portion with the air outlet space is injectd to the fixed plate body.

According to the utility model discloses a some embodiments, first wind channel portion with second wind channel portion is in the air inlet end certainly the wind wheel is to keeping away from one side of wind wheel is extended, just the air inlet end is the form of expanding gradually, the wind wheel can when rotating the air inlet end forms negative pressure zone.

According to some embodiments of the utility model the first wind channel portion with the second wind channel portion end certainly at the air-out the wind wheel is to keeping away from one side of wind wheel extends, just first wind channel portion with one of the second wind channel portion is equipped with the snail tongue, the snail tongue is suitable for with wind direction extremely the air-out end.

According to some embodiments of the invention, the driving member is located outside the housing, a portion of the air duct member extending out of the housing to cooperate with the driving member.

According to some embodiments of the present invention, the air channel member and one of the shells are provided with an extending portion, the air channel member and the other of the shells are provided with an annular extending groove, and the extending portion extends into the extending groove.

According to some embodiments of the invention, the drive member comprises: the gear ring is arranged on the air duct piece; a gear engaged with the ring gear; and the driving motor is matched with the gear to drive the gear to rotate.

According to the second aspect of the present invention, an air conditioner includes the above-mentioned ventilation assembly.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a ventilation assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an air exchange assembly according to an embodiment of the present invention, wherein the air exchange assembly is in an air suction state;

fig. 3 is a schematic structural view of a ventilation assembly according to an embodiment of the present invention, wherein the ventilation assembly is in an air-exhausting state;

fig. 4 is a cross-sectional view of a breather assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a ventilation assembly according to another embodiment of the present invention, wherein the ventilation assembly is in a suction state, and the ventilation assembly is switched to an exhaust state when the air duct member moves in a direction of an arrow in the figure;

fig. 7 is a schematic structural view of a ventilation assembly according to another embodiment of the present invention, wherein the ventilation assembly is in an air-exhausting state;

fig. 8 is a cross-sectional view of a breather assembly according to yet another embodiment of the present invention;

fig. 9 is a cross-sectional view of another angle of the air exchange assembly according to yet another embodiment of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9 at A;

fig. 11 is a cross-sectional view of a breather assembly according to another embodiment of the present invention.

Reference numerals:

a ventilation assembly 100,

A housing 10, a rotation space 10a, a negative pressure region 10b, a first vent hole 11, a second vent hole 12, an insertion groove 13, a first intermediate chamber 111, a second intermediate chamber 112, a first vent chamber 113, a second vent chamber 114,

A first separator 121, a second separator 122, a third separator 123, a fourth separator 124,

An air duct member 20, an air inlet end 20a, an air outlet end 20b, a first air duct portion 21, a second air duct portion 22, an extending portion 23, a fixing plate 24,

A wind wheel 30, a centrifugal wind wheel 31, a cross flow wind wheel 32, a ventilation motor 40,

Ring gear 51, gear 52, drive motor 53.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 11, a ventilation assembly 100 according to an embodiment of the present invention will be described, the ventilation assembly 100 is applied to an air conditioner, and the ventilation assembly 100 may be used for ventilation, such as: introduce the fresh air outdoors into the room, discharge the indoor wind to outdoors.

According to the utility model discloses subassembly of taking a breath 100 includes: the air duct device comprises a shell 10, an air duct member 20, a wind wheel 30, a ventilation motor 40 and a driving member.

As shown in fig. 1 and 7, a rotation space 10a is defined in the housing 10, a first vent hole 11 and a second vent hole 12 are formed in the housing 10, and the ventilation assembly 100 can supply fresh air to the indoor through the first vent hole 11 and can also discharge air to the outdoor through the second vent hole 12. The air duct member 20 is rotatably disposed in the rotating space 10a, and the air duct member 20 can rotate in the rotating space 10a to form different flow passages in the rotating space 10 a. The wind wheel 30 is rotatably disposed in the air duct member 20, the wind wheel 30 forms a flowing air flow in the air duct member 20 under the action of the wind wheel 30, and when the wind wheel 30 rotates, the wind wheel drives the air in the air duct member 20 to flow and form an air flow in the air duct member 20, thereby achieving air suction or air discharge of the ventilation assembly 100. Referring to fig. 4, the ventilation motor 40 is connected to the wind rotor 30 and serves to drive the wind rotor 30 to rotate.

Further, referring to fig. 2 and 3, the driving member is connected to the air duct member 20 to drive the air duct member 20 to rotate so as to switch the air exchange assembly 100 between the air suction state and the air discharge state. In the air suction state, the air duct member 20, the wind wheel 30 and the rotating space 10a are matched, so that air enters the first air vent 11 and exits from the second air vent 12; in the air discharge state, the air duct member 20, the wind wheel 30 and the rotation space 10a are engaged, so that the first vent hole 11 discharges air and the second vent hole 12 supplies air.

When the ventilation assembly 100 is applied to an air conditioner, the "air suction state" refers to an operating state in which the ventilation assembly 100 introduces outdoor air into a room; the "air discharge state" refers to an operation state in which the ventilation assembly 100 discharges indoor air to the outside.

Specifically, the housing 10 defines a rotation space 10a, and the housing 10 is provided with a first vent hole 11 and a second vent hole 12, one of the first vent hole 11 and the second vent hole 12 communicating with the indoor, and the other of the first vent hole 11 and the second vent hole 12 communicating with the outdoor. The present application is described by taking the first ventilation hole 11 communicating with the outdoor environment and the second ventilation hole 12 communicating with the indoor environment as an example, when the ventilation assembly 100 is in the air suction state, the outdoor air enters the housing 10 through the first ventilation hole 11, the air duct member 20 is at the working position in the air suction state at this time, the wind wheel 30 rotates to drive the air in the air duct member 20 to flow, and the outdoor air is blown to the indoor through the second ventilation hole 12; when the ventilation assembly 100 is in the air exhaust state, the indoor air enters the housing 10 through the second ventilation hole 12, the air duct member 20 is in the working position in the air exhaust state at this time, the wind wheel 30 rotates the air in the air duct member 20 to flow, and the indoor air is exhausted to the outdoor through the first ventilation hole 11.

When the air exchange assembly 100 switches between the air suction state and the air discharge state, the driving member drives the air duct member 20 to move, so as to adjust the position of the air duct member 20 in the housing 10, thereby realizing the switching between the air suction state and the air discharge state of the air exchange assembly 100.

It should be noted that, when the ventilation assembly 100 is in the air suction state, the outdoor air can be introduced into the room, so as to improve the indoor air quality; when the ventilation assembly 100 is in the air discharge state, air in the room may be discharged to the outside. Therefore, the ventilation and the air exchange between indoor air and outdoor air can be realized by switching the air suction state and the air exhaust state of the ventilation assembly 100 in the air conditioner, and the indoor air quality is improved.

In the prior art, a fresh air pipeline and an exhaust pipeline of the air conditioner are two relatively independent circulation pipelines, and a wall hole needs to be additionally arranged on a wall so as to meet the requirements of introducing fresh air into the air conditioner and exhausting indoor air to the outside, thereby influencing the indoor attractiveness. In can realizing the new trend module of a pipeline of new trend and function sharing of airing exhaust in some air conditioners, need set up devices such as a great deal of valve, step motor, open and shut the switching-over that the realization new trend module of realizing inhaling of blowing through step motor drive a plurality of valves respectively to lead to the structure of new trend module complicated, manufacturing cost is high, and because the wind channel structure in the new trend module is complicated, will lead to the windage great, and then lead to the amount of wind loss serious.

In the present application, the air exchange assembly 100 comprises only: the air exchange component 100 comprises a shell 10, an air duct piece 20, a wind wheel 30, an air exchange motor 40 and a driving piece, wherein the position of the air duct piece 20 is adjusted in a rotating mode, and the air exchange motor 40 is matched with the wind wheel 30 to drive the wind wheel to rotate, so that the switching between an air suction state and an air exhaust state of the air exchange component 100 can be realized. The action of induced drafting and the action of airing exhaust all realize through the cooperation between wind channel spare 20 and the wind wheel 30 among the subassembly 100 of taking a breath, that is to say subassembly 100 of taking a breath in this application all realizes through a circulation pipeline to indoor new trend of introducing and airing exhaust to outdoor, need not to set up a plurality of circulation passageways in shell 10, simplifies the structure of subassembly 100 of taking a breath, prevents that the structure of circulation passageway is complicated and lead to the problem of air loss to take place. Meanwhile, the ventilation assembly 100 in the application can meet the requirements that the air conditioner introduces fresh air indoors and exhausts air outdoors by switching the air suction state and the air exhaust state, wall holes do not need to be added on an indoor wall, and the attractiveness of the wall can be guaranteed.

Wherein, through the speed and the braking of control wind channel spare 20 pivoted, can control wind channel spare 20 according to user's user demand and reciprocate regularly and the position in fig. 2 and fig. 3, form rhythmically, regular and controllable bionical respiration form's ventilation effect of speed, promote user and use experience.

According to the utility model discloses subassembly of taking a breath 100 rotates through drive wind channel spare 20 and can switch the state of induced drafting and the state of airing exhaust of subassembly of taking a breath 100 to can satisfy the air conditioner and introduce the work demand of outdoor new trend and exhaust room air, need not additionally to set up the circulation of air passageway, keep the aesthetic property of air conditioner mounted position department wall body, the simple just reliability of the regulating mode of subassembly of taking a breath 100 simultaneously is high.

Referring to fig. 2 and 3, in a further embodiment of the present invention, an air inlet space is defined between the outer wall of the air duct member 20 and the inner wall of the rotation space 10a, an air inlet communicated with the air inlet space is provided on the air duct member 20, and an air outlet is provided on the air duct member 20. The air entering the air duct member 20 needs to flow into the air inlet space defined by the air duct member 20 and the rotating space 10a, enter the air duct member 20 through the air inlet, and flow out of the air duct member 20 through the air outlet. Wherein, the housing 10 is also provided with an air intake structure (i.e. the first ventilation hole 11 and the second ventilation hole 12), and air can enter the air intake space in the rotating space 10a through the first ventilation hole 11 or the second ventilation hole 12 and flow into the air channel member 20 through the air intake. When the ventilation assembly 100 is in the air suction state, the housing 10 enters air through the first ventilation hole 11; when the ventilation assembly 100 is in the air discharge state, the housing 10 supplies air through the second ventilation holes 12.

Further, when the ventilation assembly 100 is in the air suction state, the air outlet rotates to be communicated with the second ventilation hole 12 and the first ventilation hole 11 is communicated with the air inlet space; when the ventilation assembly 100 is in the air exhaust state, the air outlet rotates to be communicated with the first vent hole 11 and the second vent hole 12 is communicated with the air inlet space.

Referring to fig. 2 and 3, in a specific embodiment of the present invention, the wind wheel 30 is a cross-flow wind wheel 32, the cross-flow wind wheel 32 can rotate clockwise or counterclockwise around its central axis, and the rotation direction of the cross-flow wind wheel 32 can be set according to the structure of the air duct member 20.

Specifically, in the rotation space 10a, the cross flow fan performs air intake in its radial direction and sends out air from the radial direction. Referring to fig. 2, when the ventilation assembly 100 is in the air suction state, air outside the room enters the air inlet space of the housing 10 through the first air vent 11, enters the air channel member 20 through the air inlet, is discharged to the second air vent 12 through the air outlet, and is discharged from the second air vent 12; referring to fig. 3, when the ventilation assembly 100 is in the air exhausting state, the indoor air enters the air intake space of the housing 10 through the second air vent 12, enters the air duct member 20 through the air inlet, is exhausted to the first air vent 11 through the air outlet, and is exhausted from the first air vent 11. When air flows through the air duct member 20, the air enters from the cross flow wind wheel 32 in the radial direction and flows out from the cross flow wind wheel in the radial direction.

Referring to fig. 6 and 7, in a specific embodiment of the present invention, the wind wheel 30 is a centrifugal wind wheel 31, the centrifugal wind wheel 31 rotates around its central axis, the wind channel member 20 is a volute of the centrifugal wind wheel 31, and air enters from the axial direction of the volute and is discharged from the air outlet in the radial direction of the volute. An air intake space is defined between the outer peripheral wall of the scroll case and the housing 10, and the air intake space is selectively communicated with one of the first vent hole 11 and the second vent hole 12 to intake air through the first vent hole 11 or the second vent hole 12.

Specifically, when the ventilation assembly 100 is in an air suction state, the air outlet of the volute is communicated with the second ventilation hole 12, the first ventilation hole 11 is communicated with the air inlet space, and outdoor air enters the air inlet space through the first ventilation hole 11, enters the volute from the axial direction, and is discharged to the second ventilation hole 12 through the air outlet so as to introduce fresh air; when the ventilation assembly 100 is in the air exhaust state, the air outlet of the volute is communicated with the first vent hole 11, the second vent hole 12 is communicated with the air inlet space, and the indoor air enters the air inlet space through the second vent hole 12, enters the volute from the axial direction and then is discharged to the first vent hole 11 through the air outlet, so as to be discharged. The air enters from the axial direction and flows out from the radial direction when passing through the air duct member 20 (i.e., the volute).

As shown in fig. 11, in the further embodiment of the present invention, when the wind wheel 30 is a centrifugal wind wheel 31, at least a portion of the air inlet space is disposed at one side of the axial direction of the spiral case, i.e. a certain distance needs to be reserved between the housing 10 and the spiral case, so as to ensure the air inlet effect of the spiral case. The distance between the housing 10 and the volute is L, and L satisfies the relation that L is not less than 80mm and not more than 120mm, so that the height of the air inlet space can be ensured, and the air inlet effect of the air duct member 20 is ensured. Preferably, L is 100 mm. The specific parameters of L can be designed according to the size of each component in the ventilation assembly 100, so as to ensure the air intake effect of the ventilation assembly 100.

As shown in fig. 8, in some embodiments of the present invention, in the axial direction of the wind wheel 30, the ventilation motor 40 and the driving member are located on the same side of the housing 10, so that the position of the air duct member 20 can be adjusted outside the housing 10 by the driving member, the sealing effect of the housing 10 is ensured, the ventilation effect of the ventilation assembly 100 is improved, and the housing 10 serves as an installation carrier of the ventilation motor 40 and the driving member, and the installation reliability of the ventilation motor 40 and the driving member is ensured.

In some embodiments of the present invention, the ventilation motor 40 is disposed on the housing 10, and the ventilation motor 40 corresponds to the center of the wind wheel 30, so as to ensure the stability and reliability of the ventilation motor 40 when driving the wind wheel 30 to rotate.

As shown in fig. 8, in some embodiments of the present invention, the driving member comprises: the air duct member 20 comprises a gear ring 51, a gear 52 and a driving motor 53, wherein the gear ring 51 is arranged on the air duct member 20, the gear 52 is in meshing fit with the gear ring 51, and the driving motor 53 is in fit with the gear 52 to drive the gear 52 to rotate. The driving motor 53 is installed on the housing 10, and when the driving motor 53 drives the gear 52 to rotate, the gear 52 is engaged with the gear ring 51, and the gear ring 51 will drive the air duct member 20 to rotate, so as to adjust the position of the air duct member 20 in the housing 10.

Further, referring to fig. 8, in the radial direction of the wind wheel 30, the ring gear 51 is disposed at the radial outer side of the ventilation motor 40, the meshing teeth of the ring gear 51 are disposed at the side of the ring gear 51 facing away from the ventilation motor 40, and the gear 52 and the driving motor 53 are also disposed at the radial outer side of the ring gear 51, so that the driving motor 53 and the ventilation motor 40 are disposed at a distance, the wiring harness arrangement of the driving motor 53 and the ventilation motor 40 is facilitated, the interference between the two is prevented, and the reliability of the ventilation assembly 100 is improved.

The utility model discloses an in some embodiments, the central axis that ring gear 51 corresponds and the central axis collineation of wind wheel 30, when rotating through drive ring gear 51 in order to adjust the position of wind channel spare 20, wind channel spare 20 is along with ring gear 51 synchronous motion, and wind channel spare 20 rotates around the central axis of wind wheel 30 promptly to can avoid producing the interference between the in-process wind channel spare 20 that rotates wind channel spare 20 and wind wheel 30, promote the operational reliability of subassembly 100 of taking a breath.

In some embodiments of the present invention, the air inlet end 20a of the air duct member 20 is defined as a negative pressure region 10b, and the air duct member 20 rotates such that the air inlet end 20a communicates with the first ventilation hole 11 or communicates with the second ventilation hole 12. When the air inlet end 20a of the air duct member 20 is communicated with the first vent hole 11, air outside the room is sucked into the negative pressure region 10b and is discharged from the air outlet to the second vent hole 12 under the action of the wind wheel 30 and the air duct member 20; when the air inlet end 20a of the air duct member 20 is communicated with the second vent hole 12, the air in the room will be sucked into the negative pressure region 10b and discharged from the air outlet to the first vent hole 11 under the action of the wind wheel 30 and the air duct member 20.

It can be understood that, referring to fig. 2 and 3, the air inlet end 20a of the air duct member 20 is configured to gradually expand from the wind wheel 30 to the side of the housing 10 along the radial direction, and an air inlet space is defined between the air duct member 20 and the housing 10, when the wind wheel 30 rotates, a negative pressure region 10b is formed at the air inlet end 20a of the air duct member 20, and air outside the room will be sucked into the housing 10 through the first vent hole 11 or the second vent hole 12 communicating with the negative pressure region 10b, and will be discharged from the air outlet of the air duct member 20 by the cooperation of the wind wheel 30 and the air duct member. Because the air inlet end 20a and the air outlet end 20b of the air duct member 20 have different structures, a negative pressure region 10b can be formed at the air inlet end 20a, so that air can be sucked into the air duct member 20 through the negative pressure region 10b, and the air inlet requirement of the ventilation assembly 100 can be met.

In a further embodiment of the present invention, a plurality of partition plates are disposed on the inner wall of the housing 10, and the relative peripheral wall of the air duct member 20 is in contact with the partition plates, so as to define the negative pressure region 10b by the cooperation of the air duct member 20 and the housing 10.

As shown in fig. 1, 2 and 3, a plurality of partition plates are disposed on the inner wall of the housing 10, the partition plates are arranged at intervals in the circumferential direction of the inner wall, and the partition plates avoid the first vent holes 11 and the second vent holes 12, so as to prevent the partition plates from shielding the first vent holes 11 or the second vent holes 12 and affecting the ventilation effect of the ventilation assembly 100.

Further, the partition plate extends from the inner wall of the casing 10 to the wind wheel 30 side, and the partition plate may be stopped against the outer circumferential wall of the air duct member 20 to define an air intake space between the air duct member 20 and the casing 10.

In some embodiments of the present invention, the air duct member 20 includes: fixed plate 24, first wind channel portion 21 and second wind channel portion 22, the driving piece links to each other with fixed plate 24, and the driving piece can drive fixed plate 24 and rotate relative shell 10 to adjust the position of wind channel piece 20 in shell 10, first wind channel portion 21 and second wind channel portion 22 interval set up on the lateral wall of fixed plate 24, and first wind channel portion 21, second wind channel portion 22 and fixed plate 24 prescribe a limit to the air outlet space. The fixing plate 24 is used as a mounting carrier for the first air duct portion 21 and the second air duct portion 22, the first air duct portion 21 and the second air duct portion 22 can rotate synchronously with the fixing plate, and one side of the fixing plate 24 departing from the air duct space is used for being matched with the driving member, so that the fixing plate can rotate relative to the housing 10 and switch the position of the air duct member 20.

Further, with reference to fig. 2, 3 and 4, the first air channel portion 21 and the second air channel portion 22 are respectively disposed at two sides of the wind wheel 30 in the radial direction, and the air entering the air channel member 20 flows out from the air channel space between the first air channel portion 21 and the second air channel portion 22 through the wind wheel 30. The peripheral wall of first wind channel portion 21 and the inner wall of shell 10 set up relatively, and the peripheral wall of second wind channel portion 22 and the inner wall of shell 10 set up relatively to the tip of baffle is suitable for and ends the cooperation with the peripheral wall of first wind channel portion 21 and second wind channel portion 22, in order to prevent that the air from flowing out via the clearance between the inner wall of first wind channel portion 21, second wind channel portion 22 and shell 10, guarantees the air output of subassembly 100 of taking a breath.

The utility model discloses in further embodiment, wind wheel 30 sets up between the relative internal face of first wind channel portion 21 and second wind channel portion 22, two relative internal faces that are located first wind channel portion 21 and second wind channel portion 22 of wind channel piece 20 air inlet end 20a one side are the flaring form from closing on wind wheel 30 side to shell 10 inner wall one side, the distance that is located between two relative internal faces of first wind channel portion 21 and second wind channel portion 22 of wind channel piece 20 air-out end 20b one side is less than the above-mentioned distance that is located between two relative internal faces of air-out end 20b to guarantee the guide effect of wind channel piece 20 to the air current.

As shown in fig. 2 and 3, in some embodiments of the present invention, the first air channel portion 21 and the second air channel portion 22 extend from the wind wheel to the side away from the wind wheel at the air inlet end, and the air inlet end is divergent, and the negative pressure region 10b can be formed at the air inlet end when the wind wheel rotates. Wherein, the inlet end of the divergent shape is defined by the first air channel part 21 and the second air channel part 22 together. The wind wheel is a cross flow wind wheel 32, when the cross flow wind wheel 32 rotates, a negative pressure area is formed at the gradually-expanded air inlet end, and air at the air vent (the first air vent 11 or the second air vent) communicated with the air inlet end is sucked into the air inlet end.

In a further embodiment of the present invention, the first air channel portion 21 and the second air channel portion 22 extend from the wind wheel to one side away from the wind wheel at the wind outlet end, and one of the first air channel portion 21 and the second air channel portion 22 is provided with a volute tongue, which can guide the airflow to guide the wind to the wind outlet end and discharge from the vent hole communicated with the wind outlet end.

It can be understood that, because the air inlet end and the air outlet end of the air duct piece are different in shape, the air flow is discharged from the air duct piece under the action of the volute tongue at the air outlet end, a negative pressure area is formed at the air inlet end, and the air at the ventilation hole communicated with the air inlet end enters the air inlet end under the action of atmospheric pressure, so that the air suction state and the air exhaust state of the ventilation assembly can be switched only by rotating the air duct piece under the condition that the rotation direction of the cross-flow wind wheel is not changed.

The utility model discloses an in some embodiments, the internal face of second wind channel portion 22 includes the segmental arc, segmental arc and wind wheel 30's size looks adaptation, and the distance between segmental arc and the wind wheel 30 is little, is formed with the snail tongue structure in the junction of the internal face that segmental arc and wind channel spare 20 air-out end 20b correspond the department, and snail tongue structure has good restriction effect to the air current of wind channel spare 20 in air-out end 20b department to the air current passes through the air outlet discharge of wind channel spare 20.

The utility model discloses in the further embodiment, at the state of induced drafting and the state of airing exhaust, every in the relative periphery wall of wind channel spare 20 all contacts with a plurality of baffles to promote the sealed effect between wind channel spare 20 and the shell 10, guarantee the amount of wind in the subassembly 100 of taking a breath.

As shown in fig. 1, in some embodiments of the present invention, in the closed state, the air outlet end 20b of the air duct member 20 rotates to the position between two adjacent partition boards, at this time, the air outlet of the air duct member 20 is sealed with the inner wall of the housing 10, at this time, the first ventilation hole 11 is not communicated with the second ventilation hole 12, and the ventilation assembly 100 cannot discharge indoor air or introduce outdoor fresh air.

It should be noted that, a plurality of partition plates are arranged at intervals in the circumferential direction of the inner wall of the housing 10, wherein at least two groups of partition plates which are adjacently arranged correspond to the first ventilation hole 11 and the second ventilation hole 12, when the ventilation assembly 100 is in the closed state, the air outlet end 20b of the air duct piece 20 does not correspond to the area defined between the two groups of partition plates, so that the air outlet of the air duct piece 20 can be sealed, and the ventilation assembly 100 is switched to the closed state. Therefore, the air duct in the air exchange assembly 100 can be sealed by arranging the partition plate, a valve part is not required to be additionally arranged in the air exchange assembly 100, the structure of the air exchange assembly 100 is simplified, and the problem that the air volume loss is overlarge due to overlarge air resistance in the air duct is prevented.

As shown in fig. 1, 2 and 3, in a specific embodiment of the present invention, the housing 10 includes: the first partition plate 121, the second partition plate 122, the third partition plate 123 and the fourth partition plate 124, the first partition plate 121 and the second partition plate 122 are disposed on one section of inner wall between the first vent hole 11 and the second vent hole 12, and the third partition plate 123 and the fourth partition plate 124 are disposed on the other section of inner wall between the first vent hole 11 and the second vent hole 12. Wherein, first baffle 121 is close to the setting of second venthole 12 and is suitable for dodging second venthole 12, and second baffle 122 sets up on the inner wall between first baffle 121 and first venthole 11, and third baffle 123 is close to the setting of first venthole 11 and is suitable for dodging first venthole 11, and fourth baffle 124 sets up on the inner wall between third baffle 123 and second venthole 12.

Referring to fig. 2 and 3, the first partition plate 121 and the third partition plate 123 are respectively disposed at positions close to the second vent hole 12 and the first vent hole 11, so that air near the first vent hole 11 and the second vent hole 12 can be well guided, and air suction and air discharge effects can be ensured.

Further, the second partition 122 is adapted to equally divide the inner wall between the first partition 121 and the first ventilation hole 11; the fourth partition 124 is adapted to equally divide the inner wall between the third partition 123 and the second vent hole 12. Thus, a first intermediate cavity 111 is defined between the first partition plate 121, the second partition plate 122 and the inner wall of the casing 10, the first intermediate cavity 111 is configured as a closed cavity, that is, the first intermediate cavity 111 is not communicated with the indoor or outdoor, and when the ventilation assembly 100 is in the closed state, the air inlet end 20a of the air duct member 20 may correspond to the first intermediate cavity 111; a second intermediate cavity 112 is defined between the third partition 123, the fourth partition 124 and the inner wall of the casing 10, the second intermediate cavity 112 is also configured as a closed cavity, that is, the second intermediate cavity 112 is not communicated with the indoor or outdoor, and when the ventilation assembly 100 is in a closed state, the air inlet end 20a of the air duct member 20 may correspond to the second intermediate cavity 112; a first ventilation cavity 113 is defined between the first partition plate 121, the fourth partition plate 124 and the inner wall of the housing, the first ventilation cavity 113 is communicated with the second ventilation hole 12, when the ventilation assembly 100 is in an air suction state, the air outlet end 20b of the air duct member 20 is communicated with the first ventilation cavity 113 so as to convey fresh air through the second ventilation hole 12, and when the ventilation assembly 100 is in an air exhaust state, the air inlet end 20a of the air duct member 20 is communicated with the first ventilation cavity 113 so as to introduce indoor air into the air duct member 20 through the second ventilation hole 12; a second ventilation cavity 114 is defined between the second partition plate 122, the third partition plate 123 and the inner wall of the housing, the second ventilation cavity 114 is communicated with the first ventilation hole 11, when the ventilation assembly 100 is in a suction state, the air inlet end 20a of the air duct member 20 is communicated with the second ventilation cavity 114 to introduce outdoor air through the first ventilation hole 11, and when the ventilation assembly 100 is in an exhaust state, the air inlet end of the air duct member 20 is communicated with the second ventilation cavity 114 to exhaust indoor air through the first ventilation hole 11.

In some alternative embodiments of the present invention, the second partition 122 and the fourth partition 124 are oppositely disposed in the housing 10, so that the inner space of the housing 10 can be more uniformly divided by the first partition 121, the second partition 122, the third partition 123 and the fourth partition 124. Wherein the extending direction of the second partition 122 and the extending direction of the fourth partition 124 are collinear, and the connecting line between the second partition 122 and the fourth partition 124 passes through the center of the wind wheel 30.

Referring to fig. 2, the wind wheel 30 is a cross flow wind wheel 32, and at this time, the ventilation assembly 100 is in a suction state, the outer peripheral wall of the second air duct portion 22 abuts against the end portions of the first partition plate 121 and the second partition plate 122, the outer peripheral wall of the first air duct portion 21 abuts against the end portions of the third partition plate 123 and the fourth partition plate 124, at this time, the air inlet end 20a of the air duct member 20 is communicated with the first vent hole 11, the air outlet end 20b of the air duct member 20 is connected with the second vent hole 12, when the cross flow wind wheel 32 rotates, negative pressure can be generated at the second vent cavity 114 to form a negative pressure region 10b, outdoor air is sucked into the housing 10 through the first vent hole 11, and the flow direction of the airflow is limited by the volute tongue of the second air duct portion 22, so that the airflow can flow out through the second vent hole 12.

Referring to fig. 3, the wind wheel 30 is a cross-flow wind wheel 32, and at this time, the ventilation assembly 100 is in an air discharge state, the outer peripheral wall of the second air duct portion 22 abuts against the end portions of the third partition plate 123 and the fourth partition plate 124, the outer peripheral wall of the first air duct portion 21 abuts against the end portions of the first partition plate 121 and the second partition plate 122, the air inlet end 20a of the air duct member 20 is communicated with the second air vent hole 12, the air outlet end 20b of the air duct member 20 is connected with the first air vent hole 11, when the cross-flow wind wheel 32 rotates, negative pressure can be generated at the first air vent cavity 113 to form a negative pressure region 10b, indoor air is sucked into the housing 10 through the second air vent hole 12, and the flow direction of the airflow is limited by the volute tongue of the second air duct portion 22, so that the airflow can flow out through the first air vent hole 11.

In some embodiments of the present invention, the first middle chamber 111 may be filled with at least a portion of space, and it can be understood that, when the ventilation assembly 100 is in the air suction state or the air exhaust state, the first middle chamber 111 is not used for air circulation, so that the first middle chamber 111 may be provided with a support structure, etc. to improve the structural strength of the first middle chamber 111; similarly, the second intermediate cavity 112 may be filled with at least a portion of the space, and it is understood that when the ventilation assembly 100 is in the air suction state or the air exhaust state, the second intermediate cavity 112 is not used for air circulation, so that the second intermediate cavity 112 may be provided with a support structure, etc. for improving the structural strength of the second intermediate cavity 112.

As shown in fig. 1, 2 and 3, in some embodiments of the present invention, the first ventilation hole 11 and the second ventilation hole 12 are disposed on both sides of the wind wheel 30, and the ventilation assembly 100 can be switched from the air suction state to the air discharge state or from the air discharge state to the air suction state by rotating the air duct member 20 by 180 ° around its central axis. The first ventilation hole 11 and the second ventilation hole 12 are oppositely disposed, so that the air introducing and exhausting effects of the ventilation assembly 100 can be ensured.

As shown in fig. 6 and 7, in other embodiments of the present invention, the opening direction of the first ventilating hole 11 and the opening direction of the second ventilating hole 12 are 90 °. When the air exchange assembly 100 is in an air suction state, the volute is driven by the driving piece to rotate 90 degrees clockwise, so that the air outlet of the volute corresponds to the first vent hole 11, and the air exchange assembly 100 can be switched to an air exhaust state; when subassembly 100 of taking a breath is in the state of airing exhaust, rotate 90 through driving piece drive spiral case anticlockwise to correspond the air outlet and the second venthole 12 of spiral case, can switch subassembly 100 of taking a breath to the state of induced drafting.

It should be noted that the air duct 20 in fig. 6 and 7 is a volute, the wind wheel 30 is a centrifugal wind wheel 31, and the centrifugal wind wheel 31 is different from the cross-flow wind wheel 32, so that the centrifugal wind wheel 31 does not need to rotate by a larger angle compared with the cross-flow wind wheel 32, and the air intake and air outlet effects of the ventilation assembly 100 can also be ensured. That is, when the wind wheel 30 is the cross flow wind wheel 32, an included angle between the opening direction of the first vent hole 11 and the opening direction of the second vent hole 12 may be adjusted according to design requirements, and is not specifically limited herein. Accordingly, the matching travel of the gear 52 and the rack in the driving member needs to be adjusted correspondingly.

In some embodiments of the utility model, the driving piece is located the outside of shell 10, and a part of wind channel piece 20 stretches out shell 10 in order to cooperate with the driving piece to the driving piece can be through the part that the drive wind channel piece 20 stretches out shell 10 with drive wind channel piece 20 internal rotation in shell 10, and the regulative mode is simple, and the drive mode need not to fill the empty wind channel space of duty, can avoid increasing the windage in the wind channel space.

As shown in fig. 11, in a further embodiment of the present invention, one of the air channel member 20 and the housing 10 is provided with an extending portion 23, and the other of the air channel member 20 and the housing 10 is provided with an annular extending groove 13, and the extending portion 23 extends into the extending groove 13. When the air duct member 20 is driven to rotate relative to the housing 10, the protruding portion 23 is matched with the protruding groove 13, so that the rotation of the air duct member 20 can be guided, the stability of the air duct member 20 in the rotation process can be improved, and the reliability of the ventilation assembly 100 can be improved.

According to the embodiment of the present invention, the air conditioner includes the above air exchange assembly 100. The shell 10 of subassembly 100 takes a breath fixes in the air conditioner, through adjusting position, the angle of wind channel spare 20 in shell 10, realizes subassembly 100 that takes a breath and induced drafts the state and the switching of the state of airing exhaust, and the regulative mode is simple, and the reliability is high, need not to set up a plurality of wall holes on the wall when the installation air conditioner, keeps the installation aesthetic property of air conditioner. Through the speed and the braking of control wind channel spare 20 pivoted, can use the position in the demand control wind channel spare 20 reciprocates regularly and fig. 2 and fig. 3 according to the user, form rhythmically, regular and controllable bionical breathing form's ventilation effect of speed, promote user's use and experience.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A ventilation assembly, comprising:

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

the air duct piece is rotatably arranged in the rotating space;

the wind wheel is rotatably arranged in the air duct piece;

the ventilation motor is connected with the wind wheel to drive the wind wheel to rotate;

the driving piece is connected with the air channel piece to drive the air channel piece to rotate so as to enable the air exchange assembly to be switched between an air suction state and an air exhaust state, and in the air suction state, the air channel piece, the wind wheel and the rotating space are matched to enable the first air vent to intake air and the second air vent to exhaust air; in the air exhaust state, the air duct piece, the wind wheel and the rotating space are matched to enable the first air vent to exhaust air and the second air vent to intake air.

2. The air exchange assembly according to claim 1, wherein an air inlet space is defined between an outer wall of the air duct member and an inner wall of the rotation space, an air inlet communicated with the air inlet space is formed on the air duct member, an air outlet is formed on the air duct member, and in the air suction state, the air outlet rotates to be communicated with the second vent hole and the first vent hole is communicated with the air inlet space; in the air exhaust state, the air outlet rotates to be communicated with the first vent hole, and the second vent hole is communicated with the air inlet space.

3. The ventilation assembly of claim 1, wherein the ventilation motor and the drive member are located on the same side of the housing in an axial direction of the wind wheel.

4. The air exchange assembly according to claim 1, wherein the air intake end of the air duct member is defined as a negative pressure region, the air duct member being rotated such that the air intake end communicates with the first vent hole or communicates with the second vent hole.

5. A ventilation assembly as claimed in claim 4, wherein the inner wall of the housing is provided with a plurality of partitions, the opposed peripheral walls of the duct member each being in contact with the partitions.

6. The air exchange assembly according to claim 5, wherein each of the opposed peripheral walls of the air duct member is in contact with the plurality of partition plates in the air suction state and the air discharge state.

7. The air exchange assembly according to claim 6, wherein in the closed state, the air outlet end of the air duct member is rotated to be between two adjacent partition plates.

8. The air exchange assembly of claim 4, wherein the air duct member comprises:

the driving piece is connected with the fixed plate body;

first wind channel portion and second wind channel portion, first wind channel portion with second wind channel portion interval sets up on the lateral wall of fixed plate body, first wind channel portion second wind channel portion with the air outlet space is injectd to the fixed plate body.

9. The air exchange assembly according to claim 8, wherein the first air duct portion and the second air duct portion extend from the wind wheel to a side away from the wind wheel at the air inlet end, the air inlet end is in a gradually expanding shape, and the negative pressure area can be formed at the air inlet end when the wind wheel rotates.

10. The air exchange assembly according to claim 9, wherein the first air channel portion and the second air channel portion extend from the wind wheel to a side away from the wind wheel at an air outlet end, and one of the first air channel portion and the second air channel portion is provided with a volute tongue adapted to guide the wind to the air outlet end.

11. The air exchange assembly according to claim 1, wherein the driving member is located outside the housing, and a portion of the air duct member extends out of the housing to engage with the driving member.

12. A ventilation assembly as defined in claim 11, wherein one of the air duct member and the housing is provided with an extension, and the other of the air duct member and the housing is provided with an annular extension slot into which the extension extends.

13. The air exchange assembly according to any one of claims 1-12, wherein the drive member includes:

the gear ring is arranged on the air duct piece;

a gear engaged with the ring gear;

and the driving motor is matched with the gear to drive the gear to rotate.

14. An air conditioner characterized by comprising a ventilation assembly according to any one of claims 1-13.