CN113137664A

CN113137664A - Fresh air device and air conditioner with same

Info

Publication number: CN113137664A
Application number: CN202110495942.1A
Authority: CN
Inventors: 王天春; 罗世贵; 李仕铭; 唐雪; 莫建樷; 文志鹏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-07-20
Anticipated expiration: 2041-05-07
Also published as: CN113137664B

Abstract

The invention discloses a fresh air device and an air conditioner with the same. This new trend device includes: the volute component is provided with a mounting cavity and is provided with a volute air inlet communicated with the mounting cavity; the sealing cover is arranged on one side of the volute component in a covering mode, the sealing cover is matched with the volute component to form an air inlet cavity, and the air inlet cavity is communicated with the mounting cavity through the volute air inlet; the filter screen subassembly, the filter screen subassembly sets up in the air inlet intracavity and is located spiral case air inlet department, the filter screen subassembly includes: the filter screen and a fixing frame for fixing the filter screen; wherein: the fixed frame is provided with a silencing side wall, the silencing side wall is provided with a first microporous structure, and the silencing side wall is matched with the volute component and the sealing cover to form a silencing cavity. According to the invention, the noise reduction structure is arranged on the fixing frame of the fresh air filter screen and is integrally formed by injection molding, so that additional parts and installation procedures are not required to be added, and the production cost is reduced.

Description

Fresh air device and air conditioner with same

Technical Field

The invention relates to the technical field of fresh air conditioners, in particular to a fresh air device and an air conditioner with the same.

Background

At present, with the attention of people to the healthy home environment, more and more air conditioners are added with health functions, and fresh air is an important air conditioner. However, due to the limitation of the installation condition of the air conditioner, the pipe diameter of a fresh air pipe of the fresh air conditioner is generally small, the air speed in the fresh air pipe can be fast under the condition of large fresh air volume, the air and the pipe wall can generate harsh noise, and the harsh noise is transmitted into the room along with the fresh air pipe, so that the use experience of a user is influenced.

The existing air conditioner usually adopts a noise reduction structure which is additionally arranged independently when noise is reduced, if the noise reduction structure is arranged at an air outlet of a fresh air duct, however, the mode needs to additionally increase two parts and also needs a corresponding installation procedure, so that the production cost is increased; in addition, because air outlet department wind speed is higher, the setting of structure of making an uproar falls can influence the new trend air-out, and then reduces the new trend volume.

Disclosure of Invention

In view of the above, the invention discloses a fresh air device and an air conditioner with the same, which are used for at least solving the problem that the noise reduction structure of the existing air conditioner is complex.

In order to achieve the above object, the invention adopts the following technical scheme:

the first aspect of the present invention discloses a fresh air device, which includes:

the volute component comprises a volute and a volute cover, the volute and the volute cover are matched together to form an installation cavity for arranging a fan, a volute air outlet communicated with the installation cavity is formed in the volute, and a volute air inlet communicated with the installation cavity is formed in the volute cover;

the sealing cover is arranged on one side of the worm case cover in a covering mode;

the filter screen assembly comprises a filter screen and a fixing frame for fixing the filter screen;

the fixing frame, the volute casing cover and the sealing cover are hermetically matched together to form an air inlet cavity, and the air inlet cavity is provided with a fresh air inlet and is communicated with the mounting cavity through the volute casing air inlet;

a partition plate is arranged in the air inlet cavity, the partition plate divides the air inlet cavity into an air inlet channel and a silencing cavity, and a vent hole for communicating the air inlet channel and the silencing cavity is formed in the partition plate;

the fresh air inlet is arranged on the volute cover and is communicated with the air inlet channel;

the filter screen is arranged in the air inlet channel and faces to the volute air inlet.

Further optionally, the partition plate is a silencing side wall arranged on the fixing frame, a first microporous structure is arranged on the silencing side wall, and a silencing cavity is formed by the silencing side wall, the volute component and the sealing cover in a matched mode.

Further optionally, the volute assembly comprises:

a volute;

the volute casing cover is matched with one side, facing the volute casing, of the volute casing cover to form the installation cavity; one side of the volute casing cover, which is back to the volute casing, forms a side wall of the air inlet cavity, wherein the side wall of the air inlet cavity is matched with the sealing cover and the silencing side wall to form the silencing cavity.

Further optionally, the sound-deadening chamber comprises: the first silencing cavity is formed at the rear part of the air inlet cavity, and the second silencing cavity is formed at the upper part of the air inlet cavity.

Further optionally, the sound-deadening sidewall comprises:

the first silencing wall is arranged at the rear part of the fixing frame, and the first silencing wall is matched with the rear side wall of the air inlet cavity and the sealing cover to form the first silencing cavity;

and the second silencing wall is arranged on the upper part of the fixing frame, and is matched with the top wall of the air inlet cavity and the sealing cover to form the second silencing cavity.

Further optionally, a filter screen assembly mounting opening is formed in the front side of the air inlet chamber, and the filter screen assembly is mounted on the front side of the volute air inlet.

Further optionally, a filter screen slot is arranged on the fixing frame and used for installing the filter screen.

Further optionally, a fresh air pipe connecting port is arranged on the lower side of the air inlet cavity and used for being connected with a fresh air pipe to introduce fresh air.

Further optionally, the fresh air device further comprises:

the fan blade is arranged in the mounting cavity;

the motor is arranged in the mounting cavity and used for driving the fan blades to rotate so as to convey fresh air.

Further optionally, the partition plate is a sealing cover silencing wall arranged on the sealing cover, a second microporous structure is arranged on the sealing cover silencing wall, and the sealing cover silencing wall is matched with the volute component and the filter screen component to form the silencing cavity.

Further optionally, the partition plate is a volute cover sound-deadening wall provided on the volute assembly, a third microporous structure is provided on the volute cover sound-deadening wall, and the volute cover sound-deadening wall, the sealing cover and the filter screen assembly cooperate to form the sound-deadening chamber.

A second aspect of the present invention discloses an air conditioner, comprising: the fresh air device of any one of claims 1 to 11.

Further optionally, the air conditioner includes: a shell body, a plurality of first connecting rods and a plurality of second connecting rods,

an air conditioner installation cavity is formed in the shell, and a fresh air outlet communicated with the installation cavity is formed in the shell;

wherein the fresh air device sets up the installation intracavity, just the air outlet of fresh air device with the fresh air export intercommunication.

Has the advantages that: the noise reduction structure is arranged on the fixing frame of the fresh air filter screen and is integrally formed by injection molding, additional parts and installation procedures are not required, and the production cost is reduced; the noise reduction structure is positioned in the air inlet duct, and the air speed is lower at the position relative to the air outlet duct, so that the noise reduction structure cannot influence the fresh air quantity; the filter screen is simple in structure, the noise reduction structure is added, the mold processing difficulty is not increased, and meanwhile, the mold stripping is more convenient during part processing.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.

FIG. 1 is a schematic view of an embodiment of a fresh air device;

FIG. 2 illustrates an exploded view of a fresh air device according to an embodiment;

FIG. 3 illustrates a side cross-sectional view of a fresh air device of an embodiment;

FIG. 4 illustrates a schematic view of a mount of an embodiment;

FIG. 5 is a schematic view of an embodiment of a sealing cover sound deadening wall provided on the sealing cover;

FIG. 6 illustrates a schematic view of an embodiment of providing a volute cover sound deadening wall on the volute cover;

FIG. 7 shows a schematic view of an air conditioner according to an embodiment.

1. A sealing cover; 11. a sound-deadening wall of the sealing cover; 2. a screen assembly; 21. a fixed mount; 211. a filter screen slot; 212. a first sound-deadening wall; 213. a second sound-deadening wall; 22. a filter screen; 3. a worm case cover; 31. a filter screen component mounting port; 32. a volute air inlet; 33. the rear side wall of the air inlet cavity; 34. the top wall of the air inlet cavity; 35. a sound-deadening wall of the worm casing cover; 4. a fan blade; 5. a motor; 6. a volute; 7. a fresh air duct; A. a first muffling chamber; B. a second sound-deadening chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

At present, due to the limitation of the installation condition of the air conditioner, the pipe diameter of a fresh air pipe of the fresh air conditioner is generally small, under the condition of large fresh air volume, the air speed in the fresh air pipe can be fast, the friction between air and the pipe wall can generate harsh noise, and the noise is transmitted into the fresh air pipe indoors, so that the use experience of a user is influenced. The invention adopts the structure that the micropore structure is added on the two extending side walls of the fixing frame, and the air inlet cavity, the sealing cover and the volute cover form two closed silencing cavities outside the air inlet cavity, so that the noise generated by high-speed friction between air in the fresh air pipe and the pipe wall can be effectively eliminated under the action of the Helmholtz resonance principle, and the purpose of reducing the noise is achieved.

To further illustrate the technical solution of the present invention, the following specific examples are provided as shown in fig. 1 to 7.

Example 1

The embodiment provides a fresh air device, and the fresh air device mainly comprises a fresh air pipe 7, a sealing cover 1, a fixing frame 21, a filter screen 22, a volute cover 3, a fan blade 4, a motor 5 and a volute 6.

In this embodiment, this new trend device includes:

a volute assembly having a mounting cavity and provided with a volute inlet 32 communicating with the mounting cavity;

the sealing cover 1 is covered on one side of the volute component, the sealing cover 1 is matched with the volute component to form an air inlet cavity, and the air inlet cavity is communicated with the mounting cavity through a volute air inlet 32;

filter screen subassembly 2, filter screen subassembly 2 sets up in the air inlet intracavity and is located spiral case air intake 32 department, and filter screen subassembly 2 includes: a filter net 22 and a fixing frame 21 for fixing the filter net 22;

a partition plate is arranged in the air inlet cavity, the air inlet cavity is divided into an air inlet channel and a silencing cavity by the partition plate, and a vent hole for communicating the air inlet channel with the silencing cavity is formed in the partition plate; the fresh air inlet is arranged on the volute cover and is communicated with the air inlet channel; the filter screen is arranged in the air inlet channel and faces the volute air inlet 32.

Preferably, the partition plate is a sound attenuation side wall arranged on the fixing frame 21, the sound attenuation side wall is provided with a first microporous structure (namely, one of the vent holes), and the sound attenuation side wall is matched with the volute component and the sealing cover 1 to form a sound attenuation cavity. The new trend device in this embodiment adopts and increases microporous structure on two lateral walls that extend at mount 21, makes it form two airtight noise reduction chambeies with sealed lid 1 and spiral case lid 3 in the outside of intake chamber, under the resonance principle effect of helmholtz, can effectually eliminate the noise that air and pipe wall high speed friction produced in new trend pipe 7.

Or, in other alternative implementations, the sealing cover 1 is provided with a sealing cover sound-deadening wall 11, the sealing cover sound-deadening wall 11 is provided with a second microporous structure (i.e., one of the ventilation holes), and the sealing cover sound-deadening wall 11 cooperates with the volute component and the filter screen component 2 to form a sound-deadening cavity. Or, in other alternative implementations, the volute assembly is provided with a volute cover sound-deadening wall 35, the volute cover sound-deadening wall 35 is provided with a third microporous structure (i.e., one of the vent holes), and the volute cover sound-deadening wall 35 cooperates with the sealing cover 1 and the filter screen assembly 2 to form a sound-deadening cavity.

Preferably, when the new trend device adopts and is equipped with the amortization lateral wall on mount 21, the spiral case subassembly includes: a volute 6; and a volute cover 3. In the embodiment, the side of the volute cover 3 facing the volute 6 is matched with the volute 6 to form a mounting cavity; one side of the volute casing cover 3, which is back to the volute casing 6, forms a side wall of an air inlet cavity, wherein the side wall of the air inlet cavity is matched with the sealing cover 1 and the silencing side wall to form a silencing cavity.

Specifically, this amortization chamber includes: a first silencing cavity A formed at the rear part of the air inlet cavity and a second silencing cavity B formed at the upper part of the air inlet cavity. Wherein, amortization lateral wall includes: the first silencing wall 212 is arranged at the rear part of the fixed frame 21, and the first silencing wall 212 is matched with the rear side wall 33 of the air inlet cavity and the sealing cover 1 to form a first silencing cavity A; and a second silencing wall 213, wherein the second silencing wall 213 is arranged on the upper part of the fixing frame 21, and the second silencing wall 213 is matched with the top wall 34 of the air inlet cavity and the sealing cover 1 to form a second silencing cavity B. Preferably, the micro-porous structure in this embodiment is fine perforations uniformly distributed on the first sound-deadening wall 212 and the second sound-deadening wall 213, the diameter and the arrangement density of the perforations need to be determined according to the frequency of noise, and the diameter of the perforations of the first micro-porous structure of the present device is 1.5mm to 5 mm. It should be noted that, if the sealing cover sound-deadening wall 11 is disposed on the sealing cover 1 or the volute casing sound-deadening wall is disposed on the volute casing cover 3 in the volute casing assembly, the second microporous structure and the third microporous structure are similar to the perforation aperture of the first microporous structure, and may also be set to be 1.5mm to 5 mm.

Since the fixing frame divides the air intake chamber into three parts by the first sound deadening wall 212 and the second sound deadening wall 213, that is: the air inlet duct, the first silencing cavity A and the second silencing cavity B. Based on the microporous structure, the first silencing cavity a is communicated with the air inlet duct through the through hole on the first silencing wall 212; the second silencing cavity B is communicated with the air inlet duct through a through hole on the second silencing wall 213.

In the present embodiment, a screen assembly mounting opening 31 is formed at the front side of the air inlet chamber for mounting the screen assembly 2 at the front side of the volute air inlet 32. The filter screen assembly 2 is arranged on the front side of the air inlet cavity, so that the filter screen assembly 2 is transversely inserted into the filter screen assembly mounting opening 31 and then filters fresh air before entering the volute air inlet 32. This design makes things convenient for dismouting filter screen subassembly 2. Further, a filter screen slot 211 is formed in the fixing frame for installing a filter screen. The opening direction of this filter screen draw-in groove is unanimous with the opening direction of filter screen subassembly installing port 31, and at this moment, if when carrying out the change of filter screen, also can directly tear the filter screen open, and need not to tear filter screen subassembly 2 wholly open out.

In this embodiment, the air inlet cavity downside of this new trend device is equipped with the new trend pipe connector, and the new trend pipe connector is used for being connected in order to introduce the new trend with new trend pipe 7. This new trend device still includes: the fan blade 4 is arranged in the mounting cavity; and the motor 5 is arranged in the mounting cavity and used for driving the fan blade 4 to rotate so as to convey fresh air. The motor 5 of the fresh air device works to drive the fan blades 4 to rotate, the fan blades 4 rotate to drive air to flow, and therefore air outside the room enters the fresh air pipe through the air inlet of the fresh air pipe. After establishing the amortization wall with adding, the noise can get into first amortization chamber A and second amortization chamber B from the equidirectional not perforation on the amortization lateral wall through the mount, and under the effect of helmholtz resonance principle, the noise can be consumed with perforation department in the amortization chamber (resonant cavity), can not spread into indoor through the air outlet along with the air to reach the mesh of making an uproar of falling, create comfortable living environment for the user.

Example 2

In the present embodiment, there is provided an air conditioner including: the fresh air device of any one of embodiment 1. Preferably, the air conditioner further comprises: a housing. The shell is provided with an air conditioner installation cavity, and a fresh air outlet communicated with the installation cavity is formed in the shell; wherein the new trend device sets up at the installation intracavity, and the air outlet and the new trend export intercommunication of new trend device.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a new trend device which characterized in that, new trend device includes:

2. The fresh air device as claimed in claim 1, wherein the partition plate is a silencing sidewall disposed on the fixing frame, the silencing sidewall is provided with a first microporous structure, and the silencing sidewall cooperates with the volute assembly and the sealing cover to form a silencing cavity.

3. The fresh air device as recited in claim 2, wherein the volute assembly comprises:

a volute;

4. The fresh air device as claimed in claim 3, wherein the muffling chamber comprises: the first silencing cavity is formed at the rear part of the air inlet cavity, and the second silencing cavity is formed at the upper part of the air inlet cavity.

5. The fresh air device as claimed in claim 4, wherein the sound deadening sidewall comprises:

6. The fresh air device as claimed in claim 5, wherein a screen assembly mounting opening is formed at a front side of the air inlet chamber for mounting the screen assembly at a front side of the volute air inlet.

7. The fresh air device as claimed in claim 6, wherein the fixing frame is provided with a filter screen slot for mounting the filter screen.

8. The fresh air device as claimed in claim 7, wherein a fresh air pipe connecting port is arranged on the lower side of the air inlet cavity, and the fresh air pipe connecting port is used for being connected with a fresh air pipe to introduce fresh air.

9. The fresh air device as claimed in claim 8, further comprising:

the fan blade is arranged in the mounting cavity;

10. The fresh air device as claimed in claim 1, wherein the partition plate is a sealing cover sound-deadening wall provided on the sealing cover, the sealing cover sound-deadening wall is provided with a second microporous structure, and the sealing cover sound-deadening wall cooperates with the volute component and the filter screen component to form the sound-deadening chamber.

11. The fresh air device as claimed in claim 1, wherein the partition plate is a volute cover sound-deadening wall provided on the volute assembly, the volute cover sound-deadening wall is provided with a third microporous structure, and the volute cover sound-deadening wall cooperates with the sealing cover and the filter screen assembly to form the sound-deadening chamber.

12. An air conditioner, characterized in that the air conditioner comprises: the fresh air device of any one of claims 1 to 11.

13. The air conditioner according to claim 12, wherein the air conditioner comprises: a shell body, a plurality of first connecting rods and a plurality of second connecting rods,