CN223562950U

CN223562950U - Integrated resonant cavity air filter assembly and automotive

Info

Publication number: CN223562950U
Application number: CN202422829247.6U
Authority: CN
Inventors: 李荣平; 张博宇; 刘唐; 周椿云; 王伟
Original assignee: Chongqing Ruichi Auto Industrial Co ltd
Current assignee: Chongqing Ruichi Auto Industrial Co ltd
Priority date: 2024-11-20
Filing date: 2024-11-20
Publication date: 2025-11-18
Anticipated expiration: 2034-11-20

Abstract

The utility model discloses an air filter assembly integrating a resonant cavity and an automobile, which comprise an air filter body, a filter element and a resonant cavity core body, wherein the air filter body comprises a first cavity, a second cavity and a third cavity which are sequentially arranged in the air inlet flow direction, the filter element is arranged at the communication position of the first cavity and the second cavity to separate the first cavity from the second cavity, the resonant cavity core body is arranged in the third cavity and seals the third cavity, and a gap between the outer wall surface of the resonant cavity core body and the inner wall surface of the third cavity forms the resonant cavity.

Description

Air filter assembly of integrated resonant cavity and automobile

Technical Field

The utility model belongs to the technical field of building construction, and relates to an air filter assembly integrated with a resonant cavity and an automobile.

Background

In the existing air intake system, in order to reduce air intake noise, an air intake resonant cavity technology is generally adopted, and the resonant cavity is arranged to reduce noise in a specific frequency band. However, the conventional resonant cavity arrangement mode has some defects, in the prior art, the resonant cavity is arranged at the position of an air outlet pipe of the air filter and is connected with the resonant cavity through a connecting pipe, and the resonant cavity is installed and fixed on a vehicle body. The mode can realize the noise reduction effect, but has complex structural arrangement, occupies a large amount of space and has larger influence on the internal layout of the vehicle, or uses the anchor ear to hang the resonant cavity on the air outlet pipe. Although saving certain installation space, this way has the advantages that the resonator directly occupies the space of the air outlet pipe, which affects the aesthetic property of the system, and in a specific working environment, the connecting pipe is possibly loosened or damaged due to the vibration of the vehicle, thereby affecting the resonance effect.

In summary, although the air inlet resonant cavity in the prior art can effectively reduce air inlet noise, the air inlet resonant cavity has the defects of large occupied space, attractive appearance influence, complex structural arrangement, increased cost and the like.

In order to solve the above problems, there is a need for an improved air filter assembly integrating a resonant cavity that overcomes the limitations of the prior art.

Disclosure of utility model

In view of the above, the utility model provides an air filter assembly integrated with a resonant cavity and an automobile, and the resonant cavity is integrated in the air filter body, so that the arrangement space inside the automobile is greatly saved while the noise reduction effect is ensured, the extra space required by externally installing the resonant cavity is avoided, the internal layout of the automobile is facilitated to be optimized, and more space is reserved for other components.

The utility model discloses an air filter assembly integrating a resonant cavity, which comprises an air filter body, a filter element and a resonant cavity core body, wherein the air filter body comprises a first cavity, a second cavity and a third cavity which are sequentially arranged according to the air inlet flow direction, the filter element is arranged at the communication position of the first cavity and the second cavity to separate the first cavity from the second cavity, the resonant cavity core body is arranged in the third cavity and seals the third cavity, and a gap between the outer wall surface of the resonant cavity core body and the inner wall surface of the third cavity forms the resonant cavity.

Further, the air filter body comprises an upper shell and a lower shell which are buckled with each other, the first cavity and the third cavity are arranged on the lower shell, the second cavity is provided with the upper shell, and the filter element is arranged on the top of the first cavity.

Further, the device also comprises an air inlet pipe and an air outlet pipe, wherein the air inlet pipe is arranged on the lower shell and is communicated with the first cavity, and the air outlet pipe is arranged on the lower shell and is communicated with the resonant cavity core.

Further, the resonant cavity core body comprises a core pipe, the core pipe is of a hollow tubular structure, the core pipe is vertically arranged in the third chamber, the bottom surface of the core pipe is attached to the bottom surface of the third chamber, and the top surface of the core pipe extends outwards in the radial direction to the side wall of the third chamber to form an air inlet partition board for sealing the third chamber.

Further, the bottom surface of core pipe outwards extends along radial and forms the baffle of giving vent to anger, give vent to anger the baffle laminating in the bottom surface of third cavity, the outlet duct intercommunication in the bottom of core pipe.

Further, the core tube is also provided with a communicating pipe, and the communicating pipe is arranged along the radial direction of the core tube and is used for communicating the core tube with the resonant cavity.

Further, the resonant cavity core body further comprises a gas guide channel, the gas guide channel is integrally formed on the top surface of the gas inlet partition plate and located in the second cavity, the gas guide channel is provided with a gas guide inlet, and the gas guide inlet is formed along the radial direction of the core tube to the position of the first cavity.

Further, the third chamber is of a trapezoid structure with the longitudinal section gradually decreasing from top to bottom.

The utility model also discloses an automobile which is provided with the air filter assembly integrated with the resonant cavity.

The utility model has the beneficial effects that:

The utility model provides an air filter assembly integrating a resonant cavity and an automobile, wherein the resonant cavity is integrated in an air filter body, so that the arrangement space in the automobile is greatly saved while the noise reduction effect is ensured, the extra space required by externally installing the resonant cavity is avoided, the internal layout of the automobile is facilitated to be optimized, and more space is reserved for other parts. Since the resonant cavity no longer requires external mounting, the aesthetics of the air intake system is effectively improved. The integrated design simplifies the connection structure between the resonant cavity and the air filter, avoids the use of additional connecting pipes and hoops, thereby reducing the production cost, reducing the complexity of installation and maintenance and improving the overall cost performance of products. Because the resonant cavity is directly integrated in the air filter body, the connection is more stable, the connection problem caused by vehicle vibration is reduced, and the stability and the reliability of the whole air inlet system are improved. The utility model not only has remarkable advantages in space saving and aesthetic property, but also improves the overall efficiency of the air inlet system in the aspects of stable structure, cost control, performance optimization and the like, and provides a better solution for modern vehicle design.

Drawings

FIG. 1 is a perspective view of the front view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the air filter body of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

FIG. 5 is a schematic diagram of the structure of a resonant cavity core;

Fig. 6 is a front cross-sectional view of a resonant cavity core.

Detailed Description

It should be noted that, in the description of the present specification, the terms "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model discloses an air filter assembly integrating a resonant cavity, which comprises an air filter body 2, a filter element 5 and a resonant cavity core body 3, wherein the air filter body 2 comprises a first cavity 8, a second cavity 9 and a third cavity 11 which are sequentially arranged in the air inlet flow direction, the filter element 5 is arranged at the communication position of the first cavity 8 and the second cavity 9 to separate the first cavity 8 from the second cavity 9, the resonant cavity core body 3 is arranged in the third cavity 11 and seals the third cavity 11, and a gap between the outer wall surface of the resonant cavity core body 3 and the inner wall surface of the third cavity 11 forms a resonant cavity 10. In this embodiment, the air filter body 2 is designed into three chambers which are sequentially communicated, and the detachable resonant cavity core 3 is arranged in the third chamber 11, so that after the resonant cavity core 3 is installed, a gap between the resonant cavity core 3 and the third chamber 11 forms the resonant cavity 10, the resonant cavity 10 is integrated in the air filter body 2 in this way, the noise reduction effect is ensured, meanwhile, the arrangement space inside the vehicle is greatly saved, the extra space required for externally installing the resonant cavity 10 is avoided, the internal layout of the vehicle is facilitated to be optimized, more space is made for other components, and meanwhile, the position of the resonant cavity 10 does not influence the air filter to be normally air-out, so that the utility model has remarkable advantages in terms of space saving and aesthetic property, and the overall efficiency of the air inlet system is improved in terms of stable structure, cost control, performance optimization and the like, and a better solution is provided for the design of modern vehicles.

In this embodiment, the air filter body 2 includes an upper casing 7 and a lower casing 6 that are fastened to each other, the first chamber 8 and the third chamber 11 are disposed in the lower casing 6, and the second chamber 9 is disposed in the upper casing 7. In this embodiment, the air inlet pipe 1 and the air outlet pipe 4 are further included, the air inlet pipe 1 is installed in the lower casing 6 and is communicated with the first chamber 8, and the air outlet pipe 4 is installed in the lower casing 6 and is communicated with the resonant cavity core 3. In this embodiment, the resonant cavity core 3 includes a core tube 12, the core tube 12 is of a hollow tubular structure, the core tube 12 is vertically disposed in the third chamber, the bottom surface of the core tube 12 is attached to the bottom surface of the third chamber, and the top surface of the core tube 12 extends radially outwards to the side wall of the third chamber to form an air inlet partition 17 that seals the third chamber. In this embodiment, the bottom surface of the core tube 12 extends radially outwards to form an air outlet partition plate 13, the air outlet partition plate 13 is attached to the bottom surface of the third chamber, and the air outlet pipe 4 is communicated with the bottom of the core tube 12. In this embodiment, the core tube 12 is further provided with a communicating tube 14, and the communicating tube 14 is disposed along a radial direction of the core tube 12 and is used for communicating the core tube 12 with the resonant cavity 10. As shown in the drawing, the air filter body 2 in this embodiment is of a split structure, wherein the lower housing 6 has two independent chambers, namely a first chamber and a third chamber, the upper housing 7 is integrally covered on the lower housing 6, the space of the covered portion is a second chamber, the filter element 5 of the air filter is mounted on the top of the first chamber to separate the first chamber from the second chamber, after the resonant cavity core 3 is mounted in the third chamber, the space surrounded by the outer wall surface of the core tube 12, the inner wall surface of the third chamber, the air inlet partition 17 and the air outlet partition 13 is the resonant cavity 10, and the air inlet partition 17 separates the resonant cavity 10 from the second chamber, so as to avoid affecting the silencing effect of the resonant cavity 10. Air enters the first cavity through the air inlet pipe 1, enters the second cavity after being filtered by the filter element 5, then enters the resonant cavity core 3 and is discharged out of the air filter body 2 through the air outlet pipe 4, wherein when the air passes through the core pipe 12 of the resonant cavity core 3, the core pipe 12 is communicated with the resonant cavity 10, so that the resonant cavity 10 works to reduce noise in a specific frequency band in the process of passing through the resonant cavity core 3, and the NVH performance of the whole vehicle is improved. The resonant cavity core body 3 of the embodiment can achieve the purpose of adjusting the volume of the resonant cavity 10 by changing the diameter or the structure of the core tube 12, and can achieve the requirement of eliminating noise in different frequency bands of the air inlet system by changing the diameter and the length of the connecting tube to match with the adjusted volume of the resonant cavity 10.

In this embodiment, the resonant cavity core 3 further includes a gas guide channel 15, where the gas guide channel 15 is integrally formed on the top surface of the gas inlet partition 17 and located in the second chamber, the gas guide channel 15 has a gas guide inlet 16, and the gas guide inlet 16 is opened along the radial direction of the core tube 12 toward the position of the first chamber. As shown, the air duct 15 is disposed to guide the filtered air into the core tube 12, and the opening direction thereof is to be opened toward the first chamber along the radial direction of the core tube 12, that is, when the first chamber is located at the left side of the third chamber, the opening of the air duct 15 is to the left along the radial direction of the core tube 12, and when the first chamber is located at the right side of the third chamber, the opening of the air duct 15 is to the right along the radial direction of the core tube 12. The essence is that the opening of the air duct 15 is directed to the air inflow side to facilitate the air circulation, which is understood by those skilled in the art and not described herein.

In this embodiment, the third chamber has a trapezoid structure with a longitudinal section gradually decreasing from top to bottom. The sound attenuation and noise reduction effect of the resonant cavity 10 formed under the structure is better than that of a straight cylinder structure, so the design is adopted.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The air filter assembly integrating the resonant cavity is characterized by comprising an air filter body, a filter element and a resonant cavity core body, wherein the air filter body comprises a first cavity, a second cavity and a third cavity which are sequentially arranged according to the air inlet flow direction, the filter element is arranged at the communication position of the first cavity and the second cavity to separate the first cavity from the second cavity, the resonant cavity core body is arranged in the third cavity and seals the third cavity, and a gap between the outer wall surface of the resonant cavity core body and the inner wall surface of the third cavity forms a resonant cavity.

2. The air filter assembly of the integrated resonant cavity of claim 1, wherein the air filter body comprises an upper shell and a lower shell which are buckled with each other, the first chamber and the third chamber are arranged on the lower shell, the second chamber is arranged on the upper shell, and the filter element is arranged on the top of the first chamber.

3. The resonator-integrated air filter assembly of claim 2 further comprising an air inlet tube mounted to the lower housing and in communication with the first chamber and an air outlet tube mounted to the lower housing and in communication with the resonator core.

4. The cavity resonator integrated air filter assembly of claim 3 wherein the cavity resonator core comprises a core tube, the core tube is of a hollow tubular structure, the core tube is vertically arranged in the third chamber, the bottom surface of the core tube is attached to the bottom surface of the third chamber, and the top surface of the core tube extends radially outwards to the side wall of the third chamber to form an air inlet baffle for sealing the third chamber.

5. The cavity filter assembly of claim 4, wherein the bottom surface of the core tube extends radially outwards to form an air outlet partition plate, the air outlet partition plate is attached to the bottom surface of the third chamber, and the air outlet pipe is communicated with the bottom of the core tube.

6. The cavity integrated air filter assembly according to claim 4, wherein the core tube is further provided with a communicating tube, and the communicating tube is arranged along the radial direction of the core tube and used for communicating the core tube with the cavity.

7. The air filter assembly of the integrated resonant cavity of claim 4, wherein the resonant cavity core further comprises an air guide channel, the air guide channel is integrally formed on the top surface of the air inlet partition plate and is positioned in the second cavity, the air guide channel is provided with an air guide inlet, and the air guide inlet is formed along the radial direction of the core tube towards the position of the first cavity.

8. The air filter assembly of the integrated resonant cavity of claim 1, wherein the third chamber is of a trapezoid structure with a longitudinal section gradually decreasing from top to bottom.

9. An automobile equipped with an integrated cavity air filter assembly according to any one of claims 1-8.