CN220707509U

CN220707509U - Fresh air module of air conditioner and air conditioner with same

Info

Publication number: CN220707509U
Application number: CN202322098526.5U
Authority: CN
Inventors: 林健辉; 肖桥
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-04-02
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses a fresh air module of an air conditioner and the air conditioner with the same, the fresh air module of the air conditioner comprises: the shell defines a containing cavity, an air inlet channel and an air outlet channel, the inlet of the air inlet channel is a fresh air inlet, and the containing cavity is communicated between the air inlet channel and the air outlet channel; the wind wheel and the motor are rotatably arranged in the accommodating cavity, and the motor is connected with the wind wheel to drive the wind wheel to rotate; the accommodating cavity and the air outlet channel are arranged in the first direction, the first direction is perpendicular to the axis of the wind wheel, and the size of the accommodating cavity is larger than that of the air outlet channel in the first direction. According to the fresh air module of the air conditioner, the enough space is reserved for the wind wheel, so that the fresh air quantity of the fresh air module is ensured, and the fresh air module can introduce enough fresh air into a designated area.

Description

Fresh air module of air conditioner and air conditioner with same

Technical Field

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

Background

In the related art, the fresh air introduction amount of the air conditioner is low, and the use experience of a user is not high.

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 fresh air module of the air conditioner, which guarantees the fresh air quantity of the fresh air module by reserving enough space for the wind wheel, so that the fresh air module can introduce enough fresh air into a designated area.

The utility model further provides an air conditioner with the fresh air module of the air conditioner.

According to an embodiment of the first aspect of the present utility model, a fresh air module of an air conditioner includes: the shell is used for defining a containing cavity, an air inlet channel and an air outlet channel, wherein the inlet of the air inlet channel is a fresh air inlet, 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 wind wheel comprises a wind wheel body, a wind outlet channel, a wind accommodating cavity and a wind outlet cavity, wherein the wind accommodating cavity and the wind outlet channel are arranged in a first direction, the first direction is mutually perpendicular to the axis of the wind wheel, and the size of the wind accommodating cavity is larger than that of the wind outlet channel in the first direction.

According to the fresh air module of the air conditioner, the enough space is reserved for the wind wheel, so that the fresh air quantity of the fresh air module is ensured, and the fresh air module can introduce enough fresh air into a designated area.

In addition, the fresh air module of the air conditioner 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, in the first direction, a ratio of a size of the air outlet channel to a size of the accommodating cavity is 0.05-0.6.

According to some alternative embodiments of the utility model, a ratio of the size of the air outlet channel to the size of the accommodating cavity in the first direction is 0.3-0.4

According to some embodiments of the utility model, the width direction of the air outlet channel extends along the first direction, and the length direction of the air outlet channel extends along a second direction perpendicular to the first direction and the axial direction of the wind wheel.

According to some alternative embodiments of the utility model, the housing comprises: the shell body is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and an outlet of the air outlet channel is arranged on the first side wall; the separation part is arranged in the shell body and extends from the first side wall to the second side wall, so that the inner cavity of the shell body is at least separated into the accommodating cavity and the air outlet channel, the air outlet channel extends along the second direction or the circumferential direction of the wind wheel, and an inlet of the air outlet channel is defined between the separation part and the second side wall.

According to some optional embodiments of the utility model, the fresh air module of the air conditioner further comprises a flow guiding part, wherein the flow guiding part is arranged in the air outlet channel and extends along the length direction of the air outlet channel, and one end of the flow guiding part is arranged close to an inlet of the air outlet channel.

According to some embodiments of the utility model, the air inlet channel and the accommodating cavity are arranged in the axial direction of the wind wheel, and the shell is internally provided with an air outlet which is communicated with the air inlet channel and the accommodating cavity.

According to some optional embodiments of the utility model, the air inlet channel includes, toward an inner wall surface of the accommodating chamber: the first wall surface and the air port are at least partially staggered; the second wall surface is arranged opposite to the air passing opening and connected to the downstream of the first wall surface in the air flow direction, and the second wall surface extends obliquely from the first wall surface to the accommodating cavity in the axial direction of the wind wheel in a direction away from the first wall surface.

According to some embodiments of the utility model, the angle between the plane of the second wall and the plane of the first wall is α, and α is not greater than 70 °.

In some embodiments, the α is greater than 15 ° and less than 40 °, or equal to 40 °.

According to some embodiments of the utility model, the fresh air module of the air conditioner further comprises: the filter piece is positioned in the air inlet channel and is opposite to the air outlet.

In some embodiments, a distance between an end of the second wall surface, which is close to the accommodating cavity, and the filter element in the axial direction of the wind wheel is L1, wherein L1 is not more than 70mm.

In some examples, the L1 is not greater than 20mm.

In some embodiments, a distance L2 between an end of the second wall surface remote from the accommodating chamber and the filter element in an axial direction of the wind wheel is not more than 150mm.

In some examples, the L2 is greater than 30mm and less than 60mm, or equal to 60mm.

According to a second aspect of the present utility model, an embodiment provides an air conditioner, which includes the fresh air module of the air conditioner according to the first aspect of the present utility model.

According to the air conditioner disclosed by the embodiment of the utility model, the fresh air module of the air conditioner is utilized, and the fresh air quantity of the fresh air module is ensured by reserving enough space for the wind wheel, so that the fresh air module can introduce enough fresh air into a designated area.

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 in one direction according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a fresh air module in another direction according to an embodiment of the present utility model.

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

Fig. 4 is a cross-sectional view at A-A in fig. 3.

FIG. 5 is an exploded view of a fresh air module according to an embodiment of the utility model.

FIG. 6 is a cross-sectional view of a fresh air module according to an embodiment of the utility model.

FIG. 7 is a graph of H1/H2 as a function of air volume in accordance with an embodiment of the present utility model.

FIG. 8 is a graph of air volume as a function of noise for different H1/H2 according to an embodiment of the utility model.

Reference numerals: the fresh air module 1 is provided with a fresh air inlet,

the housing 10, the air port 102, the first sidewall 111, the second sidewall 112,

the separation part 121, the case body 121,

a receiving chamber 13, an air inlet channel 14, a first wall 143, a second wall 144, an air outlet channel 15, an inlet 151, an outlet 152,

the wind wheel 21, the motor 22,

a flow guiding part 40, a flow guiding plate 41,

fresh air inlet 81, filter 82, valve 83, motor 84.

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.

The fresh air module 1 of an air conditioner according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1, 5 and 6, a fresh air module 1 of an air conditioner 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, an inlet of the air inlet channel 14 is a fresh air inlet 81, 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 air inlet channel 14 from the fresh air inlet 81, enter the containing cavity 13 along the air inlet channel 14, and the wind wheel 21 can drive the air in the containing cavity 13 to flow into the air outlet channel 15 and flow to a designated area along the air outlet channel 15 so as to guide fresh air to the designated area.

Wherein hold chamber 13 and air-out passageway 15 and arrange in first direction, the axis mutually perpendicular of first direction and wind wheel 21, in first direction, hold the size of chamber 13 and be greater than the size of air-out passageway 15, in order to the space along first direction in the reasonable distribution casing 10, and then can satisfy the size demand of wind wheel 21, in order to when wind wheel 21 rotates, guarantee the driving force of wind wheel 21 to the air, make wind wheel 21 can drive sufficient air and get into air inlet channel 14 from fresh air inlet 81, make the air get into along air inlet channel 14 and hold the intracavity 13, simultaneously, the wind wheel can drive and hold the air inflow in the air-out passageway 15 in the chamber 13 and flow to appointed region along air-out passageway 15, in order to introduce sufficient fresh air to appointed region.

Specifically, the size of the housing 10 is limited, and the length of the housing 10 along the first direction is limited, so that the accommodating cavity 13 and the air outlet channel 15 are arranged along the first direction, and the size of the accommodating cavity 13 along the first direction is larger than the size of the air outlet channel 15 along the first direction, so that the space of the housing 10 along the first direction is reasonably distributed, and the sizes of the accommodating cavity 13 and the air outlet channel 15 are further ensured.

Wherein, hold the intracavity and need place wind wheel 21, air-out passageway 15 is used for introducing the fresh air in the fresh air module 1 appointed region, consequently, make hold the chamber 13 along the size of air-out passageway 15 along first direction to rationally utilize the space in the casing 10, and then can place wind wheel 21 smoothly in holding the chamber 13, guarantee the size of wind wheel 21, guarantee that wind wheel 21 can drive the amount of wind and get into air inlet channel 14 from fresh air inlet 81, and then be convenient for guarantee the amount of wind that fresh air module 1 introduced the fresh air.

According to the fresh air module 1 of the air conditioner, the fresh air quantity of the fresh air module 1 is ensured by reserving enough space for the wind wheel 21, so that the fresh air module 1 can introduce enough fresh air into a designated area.

The fresh air module 1 of an air conditioner according to an embodiment of the present utility model will be described below with reference to the accompanying drawings.

In some embodiments of the present utility model, in the first direction, the ratio of the size of the air outlet channel 15 to the size of the accommodating cavity 13 is 0.05-0.6, so as to reasonably allocate the space of the housing 10 in the first direction, further ensure the size of the accommodating cavity 13, ensure the size of the wind wheel 21, and simultaneously control the size of the air outlet channel 15 along the first direction, so that the air in the accommodating cavity 13 can smoothly flow to the designated area along the air outlet channel 15.

Specifically, as shown in fig. 6, in the first direction, the size of the air outlet channel 15 is H1, the size of the accommodating cavity 13 is H2, and H1/H2 is greater than or equal to 0.05, so as to avoid undersize of the air outlet channel 15, and avoid overlarge resistance to air when the air in the accommodating cavity 13 flows into the air outlet channel 15, so that the air in the accommodating cavity 13 can be ensured to smoothly enter the air outlet channel 15, and the air can smoothly flow to a designated area along the air outlet channel 15.

In the first direction, the size of the air outlet channel 15 is H1, the size of the accommodating cavity 13 is H2, and H1/H2 is smaller than or equal to 0.6, so that the space occupied by the air outlet channel 15 in the first direction is prevented from being too large, the space occupied by the accommodating cavity 13 in the first direction is prevented from being too small, the size of the accommodating cavity 13 along the first direction is ensured, the size of the accommodating cavity 13 along the first direction can be adapted to the size of the wind wheel 21, and the fresh air quantity of the fresh air module 1 is further ensured.

In addition, the H1/H2 is set to be 0.05-0.6, the relative sizes of the air outlet channel 15 and the accommodating cavity 13 are controlled while the space of the shell 10 in the first direction is reasonably distributed, so that air in the accommodating cavity 13 can smoothly enter the air outlet channel 15, the resistance of the air is conveniently reduced, and noise generated in the shell 10 is reduced.

The ratio of the size of the air outlet channel 15 to the size of the receiving chamber 13 in the first direction may be 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55 or 0.6.

As shown in fig. 6 and 7, in the first direction, the size of the air outlet channel 15 is H1, the size of the accommodating chamber 13 is H2, experiments are made on the relation between the size ratio of the air outlet channel 15 to the size of the accommodating chamber 13 and the fresh air volume of the fresh air module 1 before the noise is given, in the stage that the size ratio of the air outlet channel 15 to the size of the accommodating chamber 13 in the first direction is 0.05-0.35, in the stage that the sizes of the accommodating chamber 13 and the wind wheel 21 are gradually reduced, in the stage that the size ratio of the air outlet channel 15 to the size of the accommodating chamber 13 is 0.35-0.6, in the stage that the sizes of the accommodating chamber 13 and the wind wheel 21 are gradually reduced, the fresh air introducing amount of the fresh air module 1 is gradually reduced.

When the ratio of the dimension of the air outlet channel 15 in the first direction to the dimension of the accommodating cavity 13 in the first direction is 0.35, the fresh air introduction amount of the fresh air module 1 is the highest, so that when the dimension of the air outlet channel 15 and the dimension of the accommodating cavity 13 in the first direction are designed, the ratio of the dimension of the air outlet channel 15 in the first direction to the dimension of the accommodating cavity 13 in the first direction is controlled to be near 0.35, and the air inlet amount of the fresh air module 1 is ensured while the dimension of the air outlet channel 15 in the first direction is ensured.

As shown in FIG. 7, when the noise is kept in the range of 40-50 dB and the H1/H2 is 0.3, the fresh air intake of the fresh air module 1 is 60m ³ /h; at H1/H2 of 0.4The fresh air introduction amount of the fresh air module 1 is 60m ³ /h。

By keeping the ratio of the dimension of the air outlet channel 15 in the first direction to the dimension of the accommodating cavity 13 in the first direction at 0.05-0.6, the fresh air intake of the fresh air module 1 is 40m when the noise of the fresh air module 1 is 40-50 dB ³ Above/h, so that the fresh air module 1 can introduce sufficient fresh air, and can introduce sufficient fresh air to the designated area.

Wherein, because the size of the casing 10 along the first direction is limited, therefore when the ratio of the size of the air outlet channel 15 along the first direction to the size of the accommodating cavity 13 along the first direction is gradually increased, the size of the air outlet channel 15 along the first direction is gradually increased, the size of the accommodating cavity 13 along the first direction is gradually decreased, when the size of the accommodating cavity 13 is decreased, in order to place the wind wheel 21 in the accommodating cavity 13, the size of the wind wheel 21 is also gradually decreased, and under the condition of ensuring certain noise, when the sizes of the accommodating cavity 13 and the wind wheel 21 are gradually decreased, the air inlet of the fresh air module 1 is not always decreased, so that the ratio of the size of the air outlet channel 15 to the size of the accommodating cavity 13 is kept at 0.05-0.6, so that the fresh air quantity of the fresh air module 1 can be ensured while the respective sizes of the accommodating cavity 13 and the air outlet channel 15 are ensured.

In some embodiments, the outside of the air-out channel 15 is provided with a sound absorbing member, and the sound absorbing member can absorb noise generated when air flows in the air-out channel 15, so that noise in the air-out channel 15 is reduced, the size of the air-out channel 15 along the first direction is increased by increasing the size of the air-out channel 15, so that the sound absorbing member can fully absorb noise in the air-out channel 15, and noise generated in the fresh air module 1 is reduced.

In some alternative embodiments of the present utility model, the ratio of the size of the air outlet channel 15 to the size of the accommodating cavity 13 in the first direction is 0.3-0.4, so as to control the sizes of the air outlet channel 15 and the accommodating cavity 13 along the first direction, and further enable the fresh air module 1 to efficiently introduce a sufficient amount of fresh air when the noise generated by the fresh air module 1 is constant.

For example, in the first direction, the ratio of the size of the air outlet channel 15 to the size of the accommodating cavity 13 may be 0.32, 0.35, 0.37, 0.4.

As shown in fig. 7, in the present embodiment, when the noise is kept at 40-50 db, the size of the air outlet passage 15 is H1, the size of the accommodating chamber 13 is H2, and when H1/H2 is 0.3, the fresh air intake of the fresh air module 1 is 60m in the first direction ³ /h; when H1/H2 is 0.35, the fresh air introduction amount of the fresh air module 1 is 62m ³ /h; when H1/H2 is 0.4, the fresh air introduction amount of the fresh air module 1 is 60m ³ /h。

The ratio of the dimension of the air outlet channel 15 in the first direction to the dimension of the accommodating cavity 13 in the first direction is kept between 0.3 and 0.4, so that the fresh air introduction amount of the fresh air module 1 is 60m when the noise of the fresh air module 1 is 40-50 dB ³ And/h and above, so that the fresh air module 1 can introduce sufficient fresh air, and further can introduce sufficient fresh air to the designated area.

Meanwhile, the ratio of the size of the air outlet channel 15 in the first direction to the size of the accommodating cavity 13 in the first direction is kept at 0.3-0.4, so that the size of the air outlet channel 15 along the first direction is prevented from being too small, and the size of the sound absorbing piece is ensured when the sound absorbing piece is arranged on the outer side of the air outlet channel 15, so that the sound absorbing piece can fully absorb noise generated in the air outlet channel 15, and the noise generated in the fresh air module 1 is reduced conveniently.

As shown in fig. 8, in the present embodiment, a curve J is a relationship between the fresh air volume and the noise of the fresh air module 1 when the ratio of the size of the air outlet passage 15 in the first direction to the size of the accommodating chamber 13 in the first direction is 0.45, a curve K is a relationship between the fresh air volume and the noise of the fresh air module 1 when the ratio of the size of the air outlet passage 15 in the first direction to the size of the accommodating chamber 13 in the first direction is 0.35, and the curve J is located above the curve K, that is, when the fresh air volume of the fresh air module 1 is the same, the noise generated by the fresh air module 1 is larger when the ratio of the size of the air outlet passage 15 to the size of the accommodating chamber 13 is 0.45, and the noise generated by the fresh air module 1 when the ratio of the size of the air outlet passage 15 to the size of the accommodating chamber 13 is 0.35, so that the ratio of the size of the air outlet passage 15 to the size of the accommodating chamber 13 is preferably 0.35.

In some embodiments of the present utility model, the width direction of the air outlet channel 15 extends along a first direction, the length direction of the air outlet channel 15 extends along a second direction perpendicular to the first direction and the axial direction of the wind wheel 21, and since the accommodating cavity 13 and the air outlet channel 15 are arranged along the first direction, air in the accommodating cavity 13 can flow into the air outlet channel 15 along the first direction, and air in the air outlet channel 15 flows to a designated area along the second direction to introduce fresh air into the designated area.

As shown in fig. 4 and 6, in the present embodiment, the first direction extends in the up-down direction, the second direction extends in the front-back direction, the axial direction of the wind wheel 21 extends in the left-right direction, the accommodating chamber 13 and the air outlet passage 15 are arranged in the up-down direction, the inlet 151 of the air outlet passage 15 is located at the lower side of the air outlet passage 15, the longitudinal direction of the air outlet passage 15 extends in the front-back direction, the air in the accommodating chamber 13 can flow up into the air outlet passage 15 in the up-down direction, and the air in the air outlet passage 15 flows forward in the front-back direction from the outlet 152 of the air outlet passage 15 to the designated area to introduce fresh air into the designated area.

In some alternative embodiments of the present utility model, as shown in fig. 6, the housing 10 includes a housing body 122 and a partition 121, the housing body 122 has a first sidewall 111 and a second sidewall 112 disposed opposite to each other in the second direction, the outlet 152 of the air outlet passage 15 is provided in the first sidewall 111, the partition 121 is provided in the housing body 122, the partition 121 extends from the first sidewall 111 toward the second sidewall 112 to partition the inner cavity of the housing body 122 at least into the accommodating cavity 13 and the air outlet passage 15, and the air outlet passage 15 extends in the second direction or in the circumferential direction of the wind wheel 21, and an inlet 151 of the air outlet passage 15 is defined between the partition 121 and the second sidewall 112, so that the length of the air outlet passage 15 is provided so as to be increased.

Specifically, the air in the accommodating cavity 13 enters the air outlet channel 15 from the inlet 151 of the air outlet channel 15, flows to a designated area along the air outlet channel 15 from the outlet 152 of the air outlet channel 15, and defines the inlet 151 of the air outlet channel 15 between the partition 121 and the second side wall 112, and the outlet 152 of the air outlet channel 15 is disposed on the first side wall 111, so that the inlet 151 of the air outlet channel 15 can be disposed away from the outlet 152 of the air outlet channel 15, and the length of the air outlet channel 15 along the second direction can be increased conveniently.

The noise generated at the wind wheel 21 in the accommodating cavity 13 is larger, and because the air in the wind outlet channel 15 flows from the outlet 152 of the wind outlet channel 15 to the designated area, the noise generated at the wind wheel 21 needs to be transmitted to the designated area from the outlet 152 of the wind outlet channel 15 through the wind outlet channel 15, and the length of the wind outlet channel 15 is increased by setting the inlet 151 of the wind outlet channel 15 far away from the outlet 152 of the wind outlet channel 15, so that the time of the sound passing in the wind outlet channel 15 is conveniently prolonged, and the energy in the sound can be consumed, so that the noise transmitted to the designated area by the wind wheel 21 is reduced.

In some embodiments of the present utility model, as shown in fig. 6, the fresh air module 1 further includes a flow guiding portion 40, where the flow guiding portion 40 is disposed in the air outlet channel 15, the flow guiding portion 40 extends along a length direction of the air outlet channel 15, one end of the flow guiding portion 40 is disposed near an inlet 151 of the air outlet channel 15, and the flow guiding portion 40 can guide air entering the air outlet channel 15, so as to change a direction in which the air flows out from the accommodating cavity 13, and enable the air to flow into a designated area in the air outlet channel 15 along the flow guiding portion 40.

Specifically, when the motor 22 drives the wind wheel 21 to rotate, the wind wheel 21 drives air to flow from the air inlet channel 14 to the accommodating cavity 13, and flow along the accommodating cavity 13 to the air outlet channel 15, and when the air flows in the air outlet channel 15, since the wind wheel 21 is arranged in the accommodating cavity 13, the wind wheel 21 cannot directly control the flowing direction of the air in the air outlet channel 15, and only the air in the accommodating cavity 13 can be directly driven to flow into the air outlet channel 15 by driving the air flow in the accommodating cavity 13, so that the air in the air outlet channel 15 can be indirectly driven to flow from the outlet 152 of the air outlet channel 15 to a designated area.

In this process, the flow guiding portion 40 can guide the flow direction of the air flowing from the accommodating chamber 13 to the air outlet channel 15, and the air in the accommodating chamber 13 enters the air outlet channel 15 from the inlet 151 of the air outlet channel 15, and flows along the flow guiding portion 40 to a designated area in the air outlet channel 15.

As shown in fig. 6, in the present embodiment, the flow guiding portion 40 includes a plurality of flow guiding plates 41, and the plurality of flow guiding plates 41 are arranged at intervals in the width direction of the air outlet channel 15, so that the flow direction of the air in the air outlet channel 15 is sufficiently guided by the plurality of flow guiding plates 41, and the air is prevented from forming a vortex in the air outlet channel 15 due to insufficient guiding of the air by the flow guiding plates 41.

The width of the air outlet channel 15 extends along the up-down direction, the plurality of guide plates 41 are arranged at intervals along the up-down direction, under the driving of the wind wheel 21, air in the accommodating cavity 13 enters the air outlet channel 15 from the inlet 151 of the air outlet channel 15, and at the moment, the plurality of guide plates 41 can guide the air entering the air outlet channel 15 together, so that the guiding efficiency of the air is improved, and the air entering the air outlet channel 15 is prevented from being gathered at a certain position to influence the flow of the air in the air outlet channel 15.

In some embodiments of the present utility model, as shown in fig. 4, the fresh air module 1 further includes a motor portion 84, where the valve 83 is disposed at the fresh air inlet 81, and the motor portion 84 cooperates with the valve 83 to control the valve 83 to move, so that the valve 83 can open or close the fresh air inlet 81.

In some embodiments of the present utility model, as shown in fig. 4, the air inlet channel 14 and the accommodating cavity 13 are arranged in the axial direction of the wind wheel 21, the air inlet channel 14 and the accommodating cavity 13 are provided with the air through hole 102 in the casing 10, when the motor 22 drives the wind wheel 21 to rotate, the wind wheel 21 can drive air from the fresh air inlet 81 into the air inlet channel 14 and along the air inlet channel 14 from the air through hole 102 into the accommodating cavity 13 so as to introduce fresh air into the accommodating cavity 13, and under the driving of the wind wheel 21, the air in the accommodating cavity 13 enters the air outlet channel 15 and flows to a designated area along the air outlet channel 15 so as to be capable of introducing fresh air into the designated area.

As shown in fig. 4, in this embodiment, the wind wheel 21 is a centrifugal fan, the Zhou Xiangyan of the wind wheel 21 extends in the left-right direction, the air inlet channel 14 is located at the left side of the accommodating cavity 13, and the air outlet channel 15 is located above the accommodating cavity 13, so that the air inlet channel 14, the accommodating cavity 13 and the air outlet channel 15 are compactly arranged at suitable positions in the housing 10, so that space occupied by the air inlet channel 14, the accommodating cavity 13 and the air outlet channel 15 is saved.

In some alternative embodiments of the present utility model, the inner wall surface of the air inlet channel 14 facing the accommodating cavity 13 includes a first wall surface 143 and a second wall surface 144, where the first wall surface 143 is at least partially staggered with the air gap 102, the second wall surface 144 is opposite to the air gap 102, and the second wall surface 144 is connected downstream of the first wall surface 143 in the airflow direction, and the second wall surface 144 extends obliquely from the first wall surface 143 to the accommodating cavity 13 in the direction away from the first wall surface 143 along the axial direction of the wind wheel 21, so that the air in the air inlet channel 14 is guided by the second wall surface 144, so that the air can smoothly flow along the second wall surface 144 to the air gap 102, and the air in the air inlet channel 14 can quickly enter the accommodating cavity 13 from the air gap 102, so that the orderly flow of the air in the air inlet channel 14 is facilitated to be ensured, on one hand, the formation of vortex in the air inlet channel 14 is facilitated to be improved, and on the other hand, the generation of noise in the air inlet channel 14 is facilitated to be reduced.

As shown in fig. 4, in the present embodiment, the axial direction of the wind wheel 21 extends in the left-right direction, the left inner wall surface of the air intake channel 14 includes a first wall surface 143 and a second wall surface 144, the first wall surface 143 extends in the up-down direction, the left end of the second wall surface 144 is connected to the upper end of the first wall surface 143, and the second wall surface 144 extends from left to right upwards, so that the air in the air intake channel 14 can gradually flow into the accommodating cavity 13 upwards to the right along the second wall surface 144 (it is understood that the above-mentioned direction limitation is only for convenience of describing the drawing, and the actual setting position and direction of the fresh air module 1 of the air conditioner will not be limited), so that the orderly flow of the air in the air intake channel 14 is facilitated to reduce the formation of vortex in the air intake channel 14, on one hand, and on the other hand, the increase of the flow rate of the air is facilitated, and the noise in the air intake channel 14 is facilitated to be reduced.

In some embodiments of the present utility model, the angle between the plane of the second wall 144 and the plane of the first wall 143 is α, α being no greater than 70 °. To avoid an excessive included angle α between the plane of the second wall 144 and the plane of the first wall 143, so as to ensure the guiding effect of the second wall 144 on the air, so that the air can flow into the accommodating cavity 13 along the second wall 144.

Specifically, if the included angle α between the plane in which the second wall surface 144 is located and the plane in which the first wall surface 143 is located is too large, the second wall surface 144 tends to be parallel to the first wall surface 143, which is unfavorable for the second wall surface 144 to guide the air in the air intake duct 14 to the accommodating chamber 13, so α is not greater than 70 °, so as to ensure the guiding effect of the second wall surface 144 on the air in the air intake duct 14.

For example, α is 20 °, 30 °, 40 °, 50 °, 60 °, or 65 °.

In some embodiments, α is greater than 15 ° and less than 40 ° or equal to 40 °, since the interval between the first wall 143 and the air port 102 along the circumferential direction of the wind wheel 21 is limited, if the angle α is too large, the length of the second wall 144 may be too short, and the second wall 144 may easily cause a decrease in the flow velocity of air, which is unfavorable for guiding the air in the air inlet channel 14 to the accommodating cavity 13; if the angle α is too small, the guiding effect of the second wall 144 on the air is poor, so α is larger than 15 ° and smaller than 40 °, so that the second wall 144 can guide the air in the air intake passage 14 uniformly, and the air can be guided into the accommodating cavity 13 uniformly.

In some embodiments, α may be 20 °, 25 °, 30 °, 35 °, or 40 °.

In some embodiments of the present utility model, as shown in fig. 4, the fresh air module 1 further includes a filter 82, where the filter 82 is located in the air intake channel 14 and opposite to the air port 102, and the filter 82 can filter the air passing through the air port 102 to ensure the cleanliness of the air entering the accommodating cavity 13, so as to ensure the cleanliness of the fresh air introduced into the designated area by the fresh air module 1.

In some embodiments, the filter 82 may be slidably disposed within the air intake passage 14 to facilitate cleaning or replacement of the filter 82.

In some embodiments, as shown in fig. 4, in the axial direction of the wind wheel 21, the distance between the end of the second wall 144 close to the accommodating cavity 13 and the filter 82 is L1, and L1 is not greater than 70mm, so as to avoid that the distance between the end of the second wall 144 close to the accommodating cavity 13 and the filter 82 is too large, so that the second wall 144 can sufficiently guide the air in the air inlet channel 14 to the air passing opening 102.

For example, L1 is 10mm, 20mm, 30mm, 40mm, 50mm, 60mm or 65mm

In some examples, L1 is not greater than 20mm, so that the second wall 144 can cause air in the air intake channel 14 to be in the vicinity of the air outlet 102, thereby allowing air to smoothly and quickly enter the accommodating chamber 13 from the air outlet 102.

In some examples, L1 is greater than 0mm to avoid the second wall 144 contacting the filter 82, and avoid the second wall 144 from obstructing the position of the filter 82, so as to ensure that the filter 82 can fully cover the air outlet 102, and the filter 82 can fully filter the air entering the accommodating cavity 13 from the air outlet 102, so as to ensure the clean air when the fresh air module 1 introduces fresh air into a designated area.

In some embodiments, L1 is 3mm, 5mm, 8mm, 10mm, 12mm, 15mm, or 18mm.

In some embodiments, the distance between the end of the second wall 144 away from the accommodating cavity 13 and the filter 82 in the axial direction of the wind wheel 21 is L2, and L2 is not greater than 150mm, so as to avoid that the distance between the second wall 144 and the filter 82 is too far, and the size of the air inlet channel 14 along the circumferential direction of the wind wheel 21 is too large.

For example, L2 is 10mm, 30mm, 50mm, 60mm, 80mm, 100mm, 120mm or 150mm.

In some examples, L2 is greater than 30mm and less than 60mm, or L2 is equal to 60mm, to avoid excessive distance between the first wall 143 and the filter 82, and the size of the air intake passage 14 in the circumferential direction of the wind wheel 21, while ensuring that the second wall 144 has a certain inclination, and the second wall 144 is able to guide the air in the air intake passage 14.

Specifically, since one end of the second wall surface 144 is connected to the first wall surface 143, the other end of the second wall surface 144 extends obliquely in the axial direction of the wind wheel 21 toward the accommodating chamber 13 in a direction away from the first wall surface 143, and if the distance between the first wall surface 143 and the filter 82 is too small, in order to ensure that the other end of the first wall surface 143 does not interfere with the filter 82, the angle between the plane of the first wall surface 143 and the plane of the second wall surface 144 is small, which is not beneficial for guiding the air in the accommodating chamber 13 by the second wall surface 144.

If the distance between the first wall 143 and the filter 82 is too large, in order to enable the second wall 144 to quickly guide the air to the air outlet 102, the included angle between the plane of the first wall 143 and the plane of the second wall 144 is large, which easily results in too slow flow rate of the air in the air inlet channel 14, and the air is not utilized to quickly flow to the air outlet 102.

Therefore, L2 is greater than 30mm and less than 60mm, or L2 is equal to 60mm, so as to ensure that the second wall 144 smoothly guides the air in the air intake channel 14, and the air in the air intake channel 14 can smoothly flow to the accommodating cavity 13.

In some examples, L2 is 32mm, 35mm, 40mm, 45mm, 50mm, 55mm, or 60mm.

An air conditioner according to an embodiment of the present utility model is described below. The air conditioner according to the embodiment of the utility model comprises the fresh air module 1 of the air conditioner according to the embodiment of the utility model.

According to the air conditioner of the embodiment of the utility model, by utilizing the fresh air module 1 of the air conditioner according to the embodiment of the utility model, the fresh air quantity of the fresh air module 1 is ensured by reserving enough space for the wind wheel 21, so that the fresh air module 1 can introduce enough fresh air into a designated area.

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

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

the shell is used for defining a containing cavity, an air inlet channel and an air outlet channel, wherein the inlet of the air inlet channel is a fresh air inlet, 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 wind wheel comprises a wind wheel body, a wind outlet channel, a wind accommodating cavity and a wind outlet cavity, wherein the wind accommodating cavity and the wind outlet channel are arranged in a first direction, the first direction is mutually perpendicular to the axis of the wind wheel, and the size of the wind accommodating cavity is larger than that of the wind outlet channel in the first direction.

2. The fresh air module of claim 1, wherein a ratio of the size of the air outlet passage to the size of the accommodating chamber in the first direction is 0.05 to 0.6.

3. The fresh air module of claim 2, wherein a ratio of the size of the air outlet passage to the size of the accommodating chamber in the first direction is 0.3 to 0.4.

4. The fresh air module of claim 1, wherein the width direction of the air outlet channel extends in the first direction, and the length direction of the air outlet channel extends in a second direction perpendicular to the first direction and the axial direction of the wind wheel.

5. The fresh air module of claim 4, wherein the housing comprises:

the shell body is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and an outlet of the air outlet channel is arranged on the first side wall;

the separation part is arranged in the shell body and extends from the first side wall to the second side wall, so that the inner cavity of the shell body is at least separated into the accommodating cavity and the air outlet channel, the air outlet channel extends along the second direction or the circumferential direction of the wind wheel, and an inlet of the air outlet channel is defined between the separation part and the second side wall.

6. The fresh air module of claim 5, further comprising a deflector disposed within the air outlet channel and extending along a length of the air outlet channel, wherein one end of the deflector is disposed proximate to an inlet of the air outlet channel.

7. The fresh air module of the air conditioner according to claim 1, wherein the air inlet channel and the accommodating cavity are arranged in the axial direction of the wind wheel, and an air outlet is arranged in the shell and is communicated with the air inlet channel and the accommodating cavity.

8. The fresh air module of claim 7, wherein the air intake passage toward the inner wall surface of the accommodating chamber comprises:

the first wall surface and the air port are at least partially staggered;

the second wall surface is arranged opposite to the air passing opening and connected to the downstream of the first wall surface in the air flow direction, and the second wall surface extends obliquely from the first wall surface to the accommodating cavity in the axial direction of the wind wheel in a direction away from the first wall surface.

9. The fresh air module of claim 8, wherein an angle between a plane in which the second wall surface is located and a plane in which the first wall surface is located is α, and the α is not greater than 70 °.

10. The fresh air module of claim 9, wherein α is greater than 15 ° and less than 40 °, or equal to 40 °.

11. The fresh air module of claim 8, further comprising:

the filter piece is positioned in the air inlet channel and is opposite to the air outlet.

12. The fresh air module of claim 11, wherein a distance between an end of the second wall surface adjacent to the accommodating chamber and the filter element in an axial direction of the wind wheel is L1, and the L1 is not more than 70mm.

13. The fresh air module of claim 12, wherein L1 is no greater than 20mm.

14. The fresh air module of claim 11, wherein a distance between an end of the second wall surface away from the accommodating chamber and the filter element in an axial direction of the wind wheel is L2, and the L2 is not more than 150mm.

15. The fresh air module of claim 14, wherein L2 is greater than 30mm and less than 60mm, or equal to 60mm.

16. An air conditioner comprising a fresh air module according to any one of claims 1 to 15.