CN217900019U

CN217900019U - Air conditioner

Info

Publication number: CN217900019U
Application number: CN202222210978.3U
Authority: CN
Inventors: 戴现伟; 刘录
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-25
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an air conditioner, include: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with a fresh air inlet and an air outlet; fresh air device, fresh air device includes: the centrifugal fan is arranged in the volute, the volute is provided with a volute air inlet and a volute air outlet, the volute air inlet is communicated with the fresh air inlet, the volute air outlet is communicated with the air outlet, and the air inlet ring is arranged at the volute air inlet; wherein, centrifugal fan's diameter is a, and the diameter of air inlet ring is b, and a and b satisfy the relational expression: b is less than or equal to 0.95a. When the new trend accesss to centrifugal fan through the air inlet circle, the air inlet circle can shelter from the new trend that the part lets in centrifugal fan to can play the effect of rectification to the new trend, reduce the noise that produces when the new trend gets into the spiral case, in addition, can reduce the air inlet area of spiral case air inlet department like this, thereby can promote the wind speed that the new trend passes through the spiral case air intake, of course, set up like this and also accord with Archimedes' spiral principle.

Description

Air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner technique and specifically relates to an air conditioner is related to.

Background

At present, because the market competition of the fresh air device of the air conditioner is very fierce, the existing product can not meet the user demand, and the air outlet form is generally back side back outlet, two side back outlets or front side air outlet and the like.

In the related art, a wind mixing channel is matched at the wind outlet of the volute of the fresh air device. However, backflow and suck-back phenomena easily occur, and consequently, a sudden noise is generated.

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 an air conditioner, this air conditioner can play the effect of rectification to the new trend, and the noise that produces when reducing the new trend and getting into the spiral case can reduce the air inlet area of spiral case air intake department like this in addition to can promote the wind speed that the new trend passes through the spiral case air intake.

According to the utility model discloses an air conditioner, include: the air conditioner comprises a machine shell, a fan and a fan, wherein the machine shell is provided with a fresh air inlet and an air outlet; fresh air device, fresh air device includes: the centrifugal fan is arranged in the volute, the volute is provided with a volute air inlet and a volute air outlet, the volute air inlet is communicated with the fresh air inlet, the volute air outlet is communicated with the air outlet, and the air inlet ring is arranged at the volute air inlet; wherein, centrifugal fan's diameter is a, the diameter of air inlet ring is b, and a and b satisfy the relational expression: b is less than or equal to 0.95a.

According to the utility model discloses an air conditioner, when the new trend accesss to centrifugal fan through the air inlet circle, the air inlet circle can shelter from the new trend that the part let in centrifugal fan to can play the effect of rectification to the new trend, reduce the noise that produces when the new trend gets into the spiral case, in addition, can reduce the air inlet area of spiral case air inlet department like this, thereby can promote the wind speed that the new trend passes through the spiral case air intake, of course, set up like this and also accord with Archimedes' helix principle.

In some examples of the invention, a and b satisfy the relation: b is more than or equal to 0.8a and less than or equal to 0.95a.

In some examples of the invention, the volute comprises: the volute comprises side plates and outer ring plates which are opposite in the axial direction, the outer ring plates are connected to the outer edges of the two side plates, and an air outlet transition portion is arranged on the portion, adjacent to an air outlet of the volute, of the outer ring plates.

In some examples of the present invention, a minimum distance from the outer peripheral side of the centrifugal fan to the air outlet transition portion is c, and b and c satisfy the following relation: c is more than or equal to 0.3b.

In some examples of the invention, b and c satisfy the relation: c is more than or equal to 0.3b and less than or equal to 0.5b.

In some examples of the present invention, the air outlet transition portion includes: first changeover portion and the second changeover portion that connects in order in the air-out direction, the gib block that extends along the air-out direction on the first changeover portion.

In some examples of the present invention, the spiral casing has a spiral tongue, a vertical distance from the spiral tongue to the air outlet transition portion is d, and a and d satisfy the following relation: d is more than or equal to 0.4a.

In some examples of the invention, a and d satisfy the relation: d is more than or equal to 0.4a and less than or equal to 0.6a.

In some examples of the present invention, the air inlet ring comprises: the air guide device comprises a plurality of air guide rings and a plurality of connecting ribs, wherein the plurality of air guide rings are sequentially sleeved at intervals in the radial direction, the connecting ribs are connected to the plurality of air guide rings, and the plurality of air guide rings are arranged at intervals in the circumferential direction.

In some examples of the invention, the connecting rib is curved or arc-shaped.

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 view illustrating a first angle of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a second angle of the air conditioner according to the embodiment of the present invention;

FIG. 3 is a schematic view of a first angle of the fresh air device;

FIG. 4 is a schematic view of a second angle of the fresh air device;

FIG. 5 is an exploded view of a fresh air device;

fig. 6 is a schematic structural diagram of the air outlet transition portion.

Reference numerals:

1. an air conditioner;

10. a housing; 11. a fresh air inlet; 12. an air outlet; 20. a fresh air device; 21. a volute; 210. a volute air inlet; 211. a volute air outlet; 212. a side plate; 213. an outer ring plate; 22. a centrifugal fan; 23. an air outlet transition part; 230. a first transition section; 231. a second transition section; 232. a guide bar; 233. a volute tongue; 24. an air inlet ring; 240. a wind guide ring; 241. and connecting ribs.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

An air conditioner 1 according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 4, an air conditioner 1 according to an embodiment of the present invention includes: a casing 10 and a fresh air device 20. The casing 10 forms a main structure of the air conditioner 1, so that the appearance of the air conditioner 1 is more integral and concise, and the casing 10 can play a role in installation and protection, and prevent components arranged inside the casing 10 from being damaged due to the touch with foreign objects. The casing 10 is provided with a fresh air inlet 11 and an air outlet 12, the fresh air device 20 mainly forms a channel for fresh air to enter, fresh air firstly enters the fresh air device 20 from the fresh air inlet 11, then enters the air outlet 12 from the fresh air device 20, and finally is released indoors from the air outlet 12, so that the fresh air effect of the air conditioner 1 is realized.

As shown in fig. 3 to 5, the fresh air device 20 includes: the volute 21 forms a main body part of the fresh air device 20, the volute 21 is provided with a volute air inlet 210 and a volute air outlet 211, the volute air inlet 210 is communicated with the fresh air inlet 11, and the volute air outlet 211 is communicated with the air outlet 12, that is, after fresh air enters the casing 10 from the fresh air inlet 11, the fresh air enters the volute 21 from the volute air inlet 210, and then the fresh air passes through the volute air outlet 211 to the air outlet 12 and finally is released indoors from the air outlet 12. The centrifugal fan 22 is disposed in the volute casing 21, and the centrifugal fan 22 rotates after working to generate centrifugal force, so that fresh air outside the room can be sucked into the volute casing 21. The air inlet ring 24 is disposed at the volute inlet 210, the air inlet ring 24 can better guide fresh air into the volute 21, and the air inlet ring 24 can improve the efficiency of the centrifugal fan 22.

As shown in fig. 5, the diameter of the centrifugal fan 22 is a, the diameter of the air inlet ring 24 is b, and a and b satisfy the relation: b is less than or equal to 0.95a. It can be understood that the centrifugal fan 22 is disposed in the volute 21, the centrifugal fan 22 is disposed opposite to the volute inlet 210, and the air inlet ring 24 is disposed at the volute inlet 210, when b is less than or equal to 0.95a, the diameter of the air inlet ring 24 is not greater than 0.95 times the diameter of the centrifugal fan 22, that is, the diameter of the air inlet ring 24 is smaller than the diameter of the centrifugal fan 22, so that, when fresh air passes through the air inlet ring 24 and enters the centrifugal fan 22, the air inlet ring 24 can shield part of the fresh air entering the centrifugal fan 22, thereby performing a rectification function on the fresh air, and reducing noise generated when the fresh air enters the volute 21, and in addition, the air inlet area at the volute inlet 210 can be reduced, thereby increasing the air speed of the fresh air passing through the volute inlet 210, and certainly, the setting also conforms to the archimedes spiral principle.

Further, a and b satisfy the relation: b is more than or equal to 0.8a and less than or equal to 0.95a. When b is less than or equal to 0.95a, b is more than or equal to 0.8a, that is, the diameter of the air inlet ring 24 is not less than 0.8 times of the diameter of the centrifugal fan 22, so that the diameter of the air inlet ring 24 is too small, and when the air inlet ring 24 is arranged at the volute air inlet 210, the fresh air volume passing through the volute air inlet 210 is seriously affected. Preferably, b =0.86a.

As shown in fig. 3 to 5, the scroll casing 21 includes: the outer ring plate 213 is connected to the outer edges of the two side plates 212, and the portion of the outer ring plate 213 adjacent to the volute outlet 211 is provided with an outlet transition portion 23. The two side plates 212 and the outer ring plate 213 may form an integral structure of the scroll casing 21, and the outer ring plate 213 is coupled to outer edges of the two side plates 212, so that the two side plates 212 and the outer ring plate 213 may form an integral structure, facilitating the integral arrangement and installation of the scroll casing 21. The portion of outer annular plate 213 that is close to spiral case air outlet 211 is provided with air-out transition portion 23, and the new trend in the spiral case 21 can pass through air-out transition portion 23 when releasing from spiral case air outlet 211, and air-out transition portion 23 can occupy the air-out area of spiral case air outlet 211 department, reduces the backward flow of spiral case air outlet 211 department, can promote the wind speed moreover to can promote anti static pressure ability.

Further, the minimum distance c from the outer peripheral side of the centrifugal fan 22 to the outlet transition portion 23, b and c satisfy the relation: c is more than or equal to 0.3b. The minimum distance from the outer peripheral side of the centrifugal fan 22 to the air outlet transition part 23 is the opening degree of the volute 21, c is larger than or equal to 0.3b, that is, the opening degree of the volute 21 is not smaller than 0.3 times of the diameter of the air inlet ring 24, and b is not smaller than 0.8a and not larger than 0.95a, so that a certain relation also exists between the opening degree of the volute 21 and the diameter of the centrifugal fan 22, when c is larger than or equal to 0.3b and the diameter of the centrifugal fan 22 is unchanged, the opening degree is large enough to increase the air volume when fresh air passes through the opening degree, and therefore the air volume leading to the air outlet 211 of the volute can be increased.

Of course, b and c satisfy the relation: c is more than or equal to 0.3b and less than or equal to 0.5b. When c is greater than or equal to 0.3b, c is also required to be less than or equal to 0.5b, that is, the opening degree of the volute 21 is not greater than 0.5 times of the diameter of the air inlet ring 24, so that when the diameter of the centrifugal fan 22 is unchanged, the phenomenon that the opening degree is too large and when fresh air passes through the position of the air outlet transition part 23 at the position, the air outlet transition part 23 cannot better reduce the noise of the fresh air is avoided. Preferably, c =0.35b.

According to an optional embodiment of the present invention, as shown in fig. 6, the air outlet transition portion 23 includes: the first transition section 230 and the second transition section 231 that connect in order in the air-out direction, the last gib block 232 that extends along the air-out direction of first transition section 230. That is to say, when the new trend in the spiral case 21 is out of the wind, can pass through first changeover portion 230 earlier, then pass through second changeover portion 231, be provided with the gib block 232 that extends along the air-out direction on first changeover portion 230, the new trend can play the effect of wind-guiding when passing through first changeover portion 230 like this.

In addition, as shown in fig. 5, the volute casing 21 has a volute tongue 233, the vertical distance from the volute tongue 233 to the air outlet transition portion 23 is d, and a and d satisfy the relation: d is more than or equal to 0.4a. The volute casing 21 is provided with a volute tongue 233, and the volute tongue 233 can prevent fresh air from circularly flowing in the volute casing 21. d is more than or equal to 0.4a, that is, the vertical distance from the volute tongue 233 to the air-out transition portion 23 is not less than 0.4 times of the diameter of the centrifugal fan 22, when the diameter of the centrifugal fan 22 is not changed, the vertical distance from the volute tongue 233 to the air-out transition portion 23 can be large enough, and the connection point of the vertical distance from the volute tongue 233 to the air-out transition portion 23 is closer to the volute air outlet 211, so that an expansion shape can be formed in the direction towards the volute air outlet 211, and the air volume led to the volute air outlet 211 can be increased.

Of course, a and d satisfy the relationship: d is more than or equal to 0.4a and less than or equal to 0.6a. When d is more than or equal to 0.4a, d is required to be less than or equal to 0.6a, that is, the vertical distance from the volute tongue 233 to the air outlet transition portion 23 is not more than 0.6 times of the diameter of the centrifugal fan 22, when the diameter of the centrifugal fan 22 is not changed, the situation that the vertical distance from the volute tongue 233 to the air outlet transition portion 23 is too large can be avoided, and when fresh air passes through the position of the air outlet transition portion 23, the air outlet transition portion 23 cannot well reduce noise of the fresh air. Preferably, d =0.5a.

Alternatively, as shown in fig. 5, the air intake ring 24 includes: the wind-guiding device comprises a plurality of wind-guiding rings 240 and a plurality of connecting ribs 241, wherein the plurality of wind-guiding rings 240 are sequentially sleeved at intervals in the radial direction, the connecting ribs 241 are connected to the plurality of wind-guiding rings 240, and the plurality of wind-guiding rings 240 are arranged at intervals in the circumferential direction. The air guide rings 240 can play a role in guiding air, the air guide rings 240 are sequentially sleeved at intervals in the radial direction, and the air guide rings 240 are arranged at intervals in the circumferential direction, so that interference among the air guide rings 240 can be avoided, and the air guide effect of the air guide rings 240 is better. And the connecting rib 241 can play the effect of connecting, and the connecting rib 241 is connected on a plurality of wind-guiding rings 240, can connect into a whole with a plurality of wind-guiding rings 240 like this, and the connecting rib 241 can play the effect of additional strengthening structural strength moreover, promotes the structural strength of air inlet ring 24, is difficult for receiving the damage.

In addition, as shown in fig. 5, the connecting rib 241 has a curved shape or an arc shape. Set the splice bar 241 to curvilinear figure or arc, the splice bar 241 can form the flabellum form like this, the new trend is when entering into the spiral case 21 through the air inlet ring 24, can concentrate the air inlet direction of new trend to can promote the air inlet effect of new trend.

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 based on the orientation or positional relationship shown in 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.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

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.

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. An air conditioner, comprising:

the air conditioner comprises a machine shell, a fan and a fan, wherein the machine shell is provided with a fresh air inlet and an air outlet;

fresh air device, fresh air device includes: the centrifugal fan is arranged in the volute, the volute is provided with a volute air inlet and a volute air outlet, the volute air inlet is communicated with the fresh air inlet, the volute air outlet is communicated with the air outlet, and the air inlet ring is arranged at the volute air inlet;

wherein, centrifugal fan's diameter is a, the diameter of air inlet ring is b, and a and b satisfy the relational expression: b is less than or equal to 0.95a.

2. The air conditioner according to claim 1, wherein a and b satisfy the relation: b is more than or equal to 0.8a and less than or equal to 0.95a.

3. The air conditioner of claim 1, wherein the volute comprises: the volute air outlet structure comprises side plates and an outer ring plate which are opposite in the axial direction, the outer ring plate is connected to the outer edges of the two side plates, and an air outlet transition portion is arranged on the portion, adjacent to the volute air outlet, of the outer ring plate.

4. The air conditioner according to claim 3, wherein the minimum distance from the outer peripheral side of the centrifugal fan to the outlet transition portion is c, and b and c satisfy the relation: c is more than or equal to 0.3b.

5. The air conditioner according to claim 4, wherein b and c satisfy the relation: c is more than or equal to 0.3b and less than or equal to 0.5b.

6. The air conditioner of claim 4, wherein the outlet transition portion comprises: first changeover portion and the second changeover portion that connects in order in the air-out direction, the gib block that extends along the air-out direction on the first changeover portion.

7. The air conditioner of claim 4, wherein the volute has a volute tongue, the volute tongue is at a vertical distance d from the wind outlet transition part, and a and d satisfy the relation: d is more than or equal to 0.4a.

8. The air conditioner according to claim 7, wherein a and d satisfy the relation: d is more than or equal to 0.4a and less than or equal to 0.6a.

9. The air conditioner of claim 1, wherein the air inlet ring comprises: the air guide device comprises a plurality of air guide rings and a plurality of connecting ribs, wherein the plurality of air guide rings are sequentially sleeved at intervals in the radial direction, the connecting ribs are connected to the plurality of air guide rings, and the plurality of air guide rings are arranged at intervals in the circumferential direction.

10. The air conditioner according to claim 9, wherein the connecting rib has a curved shape or an arc shape.