Air filter assembly integrated with resonant cavity and automobile

Abstract

The air filter assembly comprises an air filter body, a filter element and a resonant cavity core body, and the air filter body comprises a first cavity, a second cavity and a third cavity which are sequentially arranged in the air inlet flowing direction. The filter element is arranged at the communicating position of the first cavity and the second cavity so as to separate the first cavity from the second cavity, the resonant cavity core body is installed in the third cavity and seals the third cavity, and a gap between the outer wall face of the resonant cavity core body and the inner wall face of the third cavity forms a resonant cavity; according to the air filter assembly integrated with the resonant cavity and the automobile, the resonant cavity is integrated in the air filter body, the noise reduction effect is guaranteed, meanwhile, the arrangement space in the automobile is greatly saved, the extra space required for installing the resonant cavity externally is avoided, the internal layout of the automobile is optimized, and the service life of the automobile is prolonged. And more space is vacated for other parts.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction relates to a kind of air filter assembly of integrated resonant cavity and automobile. BACKGROUND

[0002] In the existing air intake system, in order to reduce the intake noise, air intake resonant cavity technology is usually used to reduce the noise of a specific frequency band by setting a resonant cavity. However, the traditional resonant cavity arrangement has some disadvantages. In the prior art, the resonant cavity is usually arranged at the air cleaner outlet pipe position, connected to the resonant cavity through a connecting pipe, and fixed to the vehicle body. Although this method can achieve the effect of noise reduction, it has a complex structure and occupies a large space, which greatly affects the internal layout of the vehicle. Alternatively, the resonant cavity is suspended on the outlet pipe using a clamp. This method saves some installation space, but the resonant cavity directly occupies the outlet pipe space, affecting the appearance of the system. In addition, in certain working environments, the vibration of the vehicle may cause the connecting pipe to loosen or be damaged, thereby affecting the resonant effect.

[0003] In summary, although the air intake resonant cavity in the prior art can effectively reduce the intake noise, it has the defects of large space occupation, affecting the appearance, complex structure arrangement and increased cost.

[0004] To solve the above problems, an improved air filter assembly with integrated resonant cavity is needed to overcome the limitations of the prior art. SUMMARY

[0005] Therefore, the utility model provides an air filter assembly with integrated resonant cavity and a vehicle, which integrates the resonant cavity in the air filter body, ensures the noise reduction effect, greatly saves the internal layout space of the vehicle, avoids the additional space required for external installation of the resonant cavity, and helps to optimize the internal layout of the vehicle, thereby providing more space for other components.

[0006] The utility model discloses an air filter assembly with integrated resonant cavity, which comprises an air filter body, a filter element and a resonant cavity core, the air filter body comprises a first chamber, a second chamber and a third chamber arranged in sequence according to the direction of air flow, the filter element is arranged at the communication position of the first chamber and the second chamber to separate the first chamber and the second chamber, the resonant cavity core is installed in the third chamber and seals the third chamber, and the gap between the outer wall surface of the resonant cavity core and the inner wall surface of the third chamber forms a resonant cavity.

[0007] Further, the air filter body comprises an upper shell and a lower shell that are mutually coupled, the first chamber and the third chamber are arranged in the lower shell, and the second chamber is arranged in the upper shell; the filter element is installed at the top of the first chamber.

[0008] Further, an air inlet pipe is mounted on the lower housing and communicates with the first chamber, and an air outlet pipe is mounted on the lower housing and communicates with the resonant cavity core.

[0009] Further, the resonant cavity core comprises a core pipe, which is a middle-through tubular structure, and is vertically arranged in the third chamber, with the bottom surface of the core pipe abutting the bottom surface of the third chamber, and the top surface of the core pipe extending radially outward to the side wall of the third chamber to form an air inlet partition plate for closing the third chamber.

[0010] Further, the bottom surface of the core pipe extends radially outward to form an air outlet partition plate, which abuts the bottom surface of the third chamber, and the air outlet pipe communicates with the bottom of the core pipe.

[0011] Further, the core pipe is further provided with a communication pipe arranged along the radial direction of the core pipe for communicating the core pipe with the resonant cavity.

[0012] Further, the resonant cavity core further comprises a gas guide channel, which is integrally formed on the top surface of the air inlet partition plate and located in the second chamber, and has a gas guide inlet, which is arranged along the radial direction of the core pipe to the position of the first chamber.

[0013] Further, the third chamber has a trapezoidal structure with a gradually decreasing longitudinal cross section from top to bottom.

[0014] The utility model discloses still disclose a kind of cars, and the air filter assembly of integrated resonant cavity as described above is assembled to the car.

[0015] The utility model has the advantages of:

[0016] The utility model provides an air filter assembly of integrated resonant cavity and car, through the resonant cavity is integrated in the air filter body, guarantees the effect of reducing noise, greatly saves the layout space in the vehicle, avoids the additional space necessary for the external installation of resonant cavity, helps the optimization of the internal layout of the vehicle, releases more space for other components. Since the resonant cavity no longer needs external installation, the appearance of the air intake system is effectively improved. Avoid the visual clutter caused by the external suspension or fixation of the resonant cavity in the prior art, make the whole air intake system more neat and integrated, meet the pursuit of design appearance and simplicity of modern vehicles, the integrated design simplifies the connecting structure between the resonant cavity and the air cleaner, avoids the use of additional connecting pipes and clamps, thereby reducing the production cost, at the same time, also reduces the complexity of installation and maintenance, improves the overall performance price ratio of the product. Since the resonant cavity is directly integrated in the air filter body, the connection is more stable, reduces the connection problem caused by the vibration of the vehicle, improves the stability and reliability of the whole air intake system. The utility model not only has remarkable advantages in space saving and appearance, but also improves the overall performance of the air intake system from the aspects of structural stability, cost control, performance optimization, etc., and provides a better solution for modern vehicle design. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front structure perspective drawing of the utility model;

[0018] Figure 2 It is the structure section view of the air filter body of the utility model;

[0019] Figure 3 It is Figure 2 The partial close -up of A in the middle;

[0020] Figure 4 It is Figure 2 The partial close -up of B in the middle;

[0021] Figure 5 It is the structure schematic view of resonant cavity core;

[0022] Figure 6 It is the front section view of resonant cavity core. DETAILED DESCRIPTION

[0023] It should be noted that in the description of the present application, the terms "upper", "lower", "top", "bottom", "inner", "outer", "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 the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0024] The utility model discloses an air filter assembly of integrated resonant cavity, including air filter body 2, filter core 5 and resonant cavity core 3, air filter body 2 includes first chamber 8, second chamber 9 and third chamber 11 that set up in order according to the direction of inlet air flow, filter core 5 sets up at the intercommunication position of first chamber 8 and second chamber 9 to separate first chamber 8 and second chamber 9, resonant cavity core 3 is installed in third chamber 11 and will third chamber 11 be closed, the clearance between the outer wall surface of resonant cavity core 3 and the inner wall surface of third chamber 11 constitutes resonant cavity 10, in the embodiment, air filter body 2 is designed as three chambers of intercommunication in order, and through the detachable resonant cavity core 3 of setting in third chamber 11, the clearance between resonant cavity core 3 and third chamber 11 constitutes resonant cavity 10 after installation, through this mode, the resonant cavity 10 is integrated in air filter body 2, guarantees the noise reduction effect, and greatly saves the layout space in the vehicle interior, avoids the additional space necessary for the external installation resonant cavity 10, helps the optimization vehicle's internal layout, and releases more space for other components, simultaneously, the position of resonant cavity 10 does not influence normal air cleaner outlet, so that the utility model not only has the remarkable advantage in space saving and aesthetic property, but also improves the overall efficiency of inlet system from structural stability, cost control, performance optimization etc., provides a more optimal solution for modern vehicle design.

[0025] In the embodiment, the air filter body 2 comprises an upper shell 7 and a lower shell 6 which are buckled to each other, the first chamber 8 and the third chamber 11 are arranged in the lower shell 6, and the second chamber 9 is arranged in the upper shell 7. In the embodiment, an air inlet pipe 1 and an air outlet pipe 4 are further included, the air inlet pipe 1 is installed on the lower shell 6 and communicates with the first chamber 8, and the air outlet pipe 4 is installed on the lower shell 6 and communicates with the resonant cavity core 3. In the embodiment, the resonant cavity core 3 comprises a core pipe 12 which is a tubular structure with a middle passage, the core pipe 12 is vertically arranged in the third chamber, the bottom surface of the core pipe 12 is attached to the bottom surface of the third chamber, and the top surface of the core pipe 12 extends radially outward to the side wall of the third chamber to form an air inlet partition plate 17 which closes the third chamber. In the embodiment, the bottom surface of the core pipe 12 extends radially outward to form an air outlet partition plate 13 which is attached to the bottom surface of the third chamber, and the air outlet pipe 4 communicates with the bottom of the core pipe 12. In the embodiment, the core pipe 12 is further provided with a communication pipe 14 which is arranged along the radial direction of the core pipe 12 and is used to communicate the core pipe 12 with the resonant cavity 10. As shown in the figure, the air filter body 2 in the embodiment is a split structure, the lower shell 6 has two independent chambers, which are the first chamber and the third chamber, and the upper shell 7 is integrally arranged on the lower shell 6, the space covered by the upper shell 7 is the second chamber, the filter core 5 of the air filter is installed on the top of the first chamber to separate the first chamber and the second chamber, after the resonant cavity core 3 is installed in the third chamber, the space surrounded by the outer wall surface of the core pipe 12, the inner wall surface of the third chamber, the air inlet partition plate 17 and the air outlet partition plate 13 is the resonant cavity 10, and the air inlet partition plate 17 separates the resonant cavity 10 from the second chamber to avoid affecting the sound attenuation effect of the resonant cavity 10. Air enters the first chamber through the air inlet pipe 1, is filtered by the filter core 5 and then enters the second chamber, and is then discharged from the air filter body 2 through the air outlet pipe 4 after passing through the resonant cavity core 3; when the air passes through the core pipe 12 of the resonant cavity core 3, the resonant cavity 10 works to reduce the noise in a specific frequency band and improve the NVH performance of the whole vehicle. The resonant cavity core 3 in the embodiment can adjust the volume of the resonant cavity 10 by changing the diameter or structure of the core pipe 12, and can also adjust the volume of the resonant cavity 10 by changing the diameter and length of the connecting pipe to eliminate the noise in different frequency bands of the air intake system, which can be understood by those skilled in the art and will not be described here.

[0026] In the embodiment, the resonant cavity core 3 further comprises an air guide 15 which is integrally formed on the top surface of the air inlet partition 17 and located in the second chamber, and the air guide 15 has an air guide inlet 16 which is opened in the radial direction of the core tube 12 to the position of the first chamber.

[0027] In the embodiment, the third chamber has a trapezoidal structure with the longitudinal section gradually decreasing from top to bottom.

[0028] The utility model discloses still a kind of automobile, the automobile is equipped with the integrated resonant cavity air filter assembly as described above.

[0029] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the utility model technical solutions, which should be covered in the scope of claims of the utility model.

Claims

1. An integrated resonant cavity air filter assembly characterized by: The air filter assembly comprises an air filter body, a filter core and a resonant cavity core body, the air filter body comprises a first chamber, a second chamber and a third chamber arranged in sequence along the air flow direction, the filter core is arranged at the communication position between the first chamber and the second chamber to separate the first chamber and the second chamber, the resonant cavity core body is installed in the third chamber and seals the third chamber, and the gap between the outer wall surface of the resonant cavity core body and the inner wall surface of the third chamber forms a resonant cavity.

2. The integrated resonator cavity air filter assembly of claim 1, wherein: The air filter body comprises an upper shell and a lower shell which are buckled to each other, the first chamber and the third chamber are arranged in the lower shell, and the second chamber is arranged in the upper shell; the filter core is installed at the top of the first chamber.

3. The integrated resonator cavity air filter assembly of claim 2, wherein: The air filter assembly further comprises an air inlet pipe and an air outlet pipe, the air inlet pipe is installed in the lower shell and communicates with the first chamber, and the air outlet pipe is installed in the lower shell and communicates with the resonant cavity core body.

4. The integrated resonator cavity air filter assembly of claim 3, wherein: The resonant cavity core body comprises a core pipe, the core pipe is a tubular structure with a middle passage, 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 radially outward to the side wall of the third chamber to form an air inlet partition plate for sealing the third chamber.

5. The integrated resonator cavity air filter assembly of claim 4, wherein: The bottom surface of the core pipe extends radially outward 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 communicates with the bottom of the core pipe.

6. The integrated resonator cavity air filter assembly of claim 4, wherein: The core pipe is further provided with a communication pipe, the communication pipe is arranged along the radial direction of the core pipe and used for communicating the core pipe with the resonant cavity.

7. The integrated resonator cavity air filter assembly of claim 4, wherein: The resonant cavity core body further comprises a gas guide channel, the gas guide channel is integrally formed on the top surface of the air inlet partition plate and located in the second chamber, the gas guide channel has a gas guide inlet, and the gas guide inlet is arranged along the radial direction of the core pipe and located at the position of the first chamber.

8. The integrated resonator cavity air filter assembly of claim 1, wherein: The third chamber is a trapezoidal structure with a gradually decreasing longitudinal cross section from top to bottom.

9. An automobile characterized by comprising: The automobile is equipped with the air filter assembly with the integrated resonant cavity according to any one of claims 1-8.

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