CN218565666U - Filtering structure and air supply equipment with same - Google Patents

Abstract

The utility model discloses a filtration and have its air supply equipment, filtration, include: the filter element comprises a filter element body, a filter element and a filter element cover, wherein a filter channel distributed along the central axis direction of the filter element body is formed inside the filter element body, and an inlet communicated with the filter channel is formed in one end part of the filter element body; the noise reduction assembly is arranged in the filtering channel and extends along the direction of the central axis, and the noise reduction assembly is configured to absorb noise radiated by the filtering channel.

Description

Filtering structure and air supply equipment with same

Technical Field

The utility model belongs to the technical field of air purification equipment, concretely relates to filtration and have its air supply equipment.

Background

With the improvement of living standard of people and the influence brought by external environmental pollution, the requirement of people on indoor air environment is relatively improved. In order to improve indoor air, people adopt an air purifier to purify indoor environment.

Air purifier is inside to be equipped with fan and filter core structure. The fan is used for forming the negative pressure in air purifier inside, inhales air purifier with the air intake on the room air passes through air purifier to discharge through the air outlet on the air purifier again after the filtration of filter core structure.

The problem that current air purifier exists is: the fan can produce the noise at the in-process of work, because the inside passageway and the external environment intercommunication of filter core structure, the inside passageway of above-mentioned noise accessible filter core structure is to the external radiation to user's use experience has been influenced and has been felt. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that an air supply equipment that filtration that noise reduction effect is good and have it is provided.

In order to solve the technical problem, the utility model provides a filtering structure, include: the filter element comprises a filter element body, a filter element and a filter element cover, wherein a filter channel distributed along the central axis direction of the filter element body is formed in the filter element body, and an inlet communicated with the filter channel is formed in one end part of the filter element body; the noise reduction assembly is arranged in the filtering channel and extends along the direction of the central axis, and the noise reduction assembly is configured to absorb noise radiated by the filtering channel.

Preferably, in the above-mentioned filtering structure, the silencing component divides the filtering channel into at least two sub-channels, and the sub-channels extend along the central axis direction.

Preferably, in the above filtering structure, the noise reduction assembly includes a first noise reduction part extending along the central axis direction, wherein the first noise reduction part is made of a sound absorption material.

Preferably, in the above filtering structure, the transverse section of the first silencing piece is in a shape of a straight line; or the transverse section of the first silencing piece is in a cross shape.

Preferably, in the filter structure, the other end of the filter element body is a closed end, and the silencing assembly further comprises a second silencing piece abutting against the other end of the filter element body.

Preferably, in the above filtering structure, the first silencing piece and the second silencing piece are separately arranged; or, the first silencing piece and the second silencing piece are integrally formed.

Preferably, in the above filtering structure, the silencing assembly further includes a support for supporting the first silencing part and the second silencing part, and the support is a hollow structure; wherein, first amortization spare with the second amortization spare passes through the support is located in the filtration passageway.

Preferably, in the filter structure, the bracket has an accommodating space, and the first noise damping member and the second noise damping member are disposed in the accommodating space to form a whole with the bracket.

Preferably, in the filter structure, the filter element body includes a hollow filter element with two open ends, a first end cap disposed on one end of the filter element, and a second end cap disposed on the other end of the filter element; wherein the first end cap is provided with a central aperture to form the inlet of the filter element body.

The utility model also provides an air supply equipment, include as before the filtration.

The technical scheme provided by the utility model, following advantage has:

the utility model discloses a set up amortization subassembly in the filtration passageway of filter core body, on the one hand, can prevent effectively that the noise source from outwards radiating the noise through filtering the passageway to reach the purpose of making an uproar; on the other hand, the silencing assembly is arranged in the filtering channel of the filter element body, so that the space is effectively utilized, and the silencer has the advantage of compact structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a filter structure according to the present invention;

fig. 2 is a schematic view of the filtering structure provided by the present invention in a bottom view;

fig. 3 is an exploded schematic view of the filter structure provided by the present invention;

fig. 4 is a schematic cross-sectional structure view of the filtering structure provided by the present invention;

fig. 5 is an exploded schematic view of the filter element body of the present invention;

fig. 6 is a schematic structural diagram of a silencing assembly according to the present invention;

FIG. 7 is a schematic view of the muffler assembly of the present invention with a cross-section in a "straight" shape;

FIG. 8 is a schematic view of the muffler assembly of the present invention with a S-shaped cross-section;

fig. 9 is a schematic view of the transverse section of the middle silencing component of the present invention in a "Y" shape.

Description of reference numerals:

100-a cartridge body; 110-a filter element; 120-a first end cap; 121-center hole; 130-a second end cap; 200-a sound attenuating assembly; 210-a first noise dampening member; 220-a bracket; 221-a connecting portion; 230-second sound attenuating element.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

Example one

Referring to fig. 1 to 4, the present embodiment provides a filter structure, which includes a filter element body 100 and a noise reduction assembly 200. The filter element body 100 is formed with a filter passage M distributed along a central axis L thereof. The silencing assembly 200 is disposed in the filtering passage M and extends along the central axis L of the filter element body 100.

The filter passage M of the filter element body 100 is a fluid flow area and also a passage for sound radiation. In this embodiment, the noise reduction assembly 200 is used to absorb the noise radiated from the noise source through the filtering channel, and effectively prevent the noise source from radiating the noise outwards through the filtering channel, thereby achieving the purpose of reducing the noise. In addition, the silencing assembly 200 is arranged in the filter element body 100, so that the space can be fully utilized, and the filter element has the advantage of compact structure.

Referring to fig. 5, the filter element body 100 includes a hollow filter element 110 with two open ends, a first end cap 120 disposed on one end of the filter element 110, and a second end cap 130 disposed on the other end of the filter element 110. The first end cap 120 is provided with a central hole 121 to form an inlet N of the filter cartridge body 100. Second end cap 130 forms a closed end of cartridge body 100. The hollow cavity of the filter element 110 forms the above-mentioned filtering passage M, and the inlet N communicates with the filtering passage M, so that external fluid enters the filter element 110. The filter element 110 has a plurality of filter holes for filtering the fluid, the fluid entering the filter element 110 finally flows out of the filter element 110 through the filter holes of the filter element 110, and the dirt such as impurities in the fluid is retained on the filter element 110, thereby achieving the purpose of filtering.

Specifically, the shape of the filter element 110 may be a cylinder, an elliptical cylinder, a square cylinder (a cube or a cuboid), and the like, which are not described herein. The above-mentioned central axis L is the central axis of the filter element 110.

In one illustrative scenario, the filter arrangement is used for gas filtration, and the inlet N of the cartridge body 100 is used for gas flow into the cartridge 110. It is noted that the filter structure in the above examples is used for gas filtration, but is only one possible application scenario for the filter structure. In other possible and not explicitly excluded scenarios, the filter arrangement may also be used for liquid filtration, where the inlet N is used for liquid flow into the filter element 110.

The following will mainly describe the use of the filter structure as a scene for air filtration. However, as can be seen from the above description, the scope of the embodiments of the present invention is not limited thereto.

In this embodiment, the muffler assembly 200 divides the filtering passage M into at least two sub-passages extending in the direction of the central axis L. After the sound wave at the noise got into the subchannel through import N, because the existence of amortization subassembly 200, can absorb the noise source and pass through the noise that filtering channel M radiated, and then prevent that the noise of noise source from passing through above-mentioned filtering channel M external radiation to reach the effect of making an uproar.

Further, as shown in fig. 3, the sound-deadening assembly 200 includes a first sound-deadening member 210 extending along the central axis L. In the present embodiment, the first silencing member 210 is disposed along the central axis L to: in order to form sub-channels distributed along the extension of the filter element 110 for the air flow to flow into the filter element 110.

In the present embodiment, the first muffler element 210 extends from one end portion of the cartridge body 100 to the other end portion of the cartridge body 100. That is, the first sound attenuating element 210 extends from the first end cap 120 of the cartridge body 100 to the second end cap 130 of the cartridge body 100. Therefore, the first noise reduction member 210 can absorb noise in the entire axial direction of the filter element body 100, and has an advantage of good noise reduction effect.

Among them, the first silencing part 210 is provided in various forms. In one arrangement, the first silencing member 210 divides the filtering passage M inside the filter element body 100 into two branch passages. The first silencing element 210 has a cross-sectional shape of "one" or "S". Referring to fig. 7, when the transverse cross-section of the first noise damping member 210 is in a shape of a straight line, the first noise damping member 210 is a straight plate; referring to fig. 8, when the first noise damping member 210 is transversely cut into an "S" shape, the first noise damping member 210 is a curved plate.

In another arrangement, referring to fig. 2, the first silencing element 210 includes two flat plates, and the two flat plates are perpendicularly intersected, so that the first silencing element 210 divides the filtering channel M inside the filter element body 100 into four branch channels. The first silencing member 210 has a cross-sectional shape.

In still another embodiment, referring to fig. 9, the first silencing element 210 includes three flat plates, which are distributed in a rotational symmetric manner to divide the filtering channel M inside the filter element body 100 into three branch channels. The first silencer 210 has a substantially Y-shaped transverse cross-section. It should be noted that the above-mentioned "approximately" can be understood as being close to, approximate to, or within a predetermined range from the target value.

The transverse section of the first noise damping member 210 is a section taken on a plane perpendicular to the central axis L of the filter element 110. The transverse cross section of the first sound deadening member 210 includes but is not limited to the above-mentioned several cases, and may also be a transverse cross section with other shapes, which is not described herein again.

In order to further absorb the noise radiated from the noise source through the filtering channel M, the noise damping assembly 200 further includes a second noise damping member 230 abutting against the closed end (second end cap 130) of the filter element body 100. Wherein the shape of the second silencer 230 conforms to the shape of the second end cap 130.

Preferably, in this embodiment, the filter element 110 is cylindrical, the first end cap 120 and the second end cap 130 are shaped to fit the end of the filter element 110, and the second end cap 130 is a round cap. Of course, as can be seen from the above, the shape of the second sound attenuating element 230 is not limited thereto, and when the filter element 110 has a square column shape, the second sound attenuating element 230 is a square cover.

The first silencer 210 and the second silencer 230 are connected in the following two ways. In the first case, the first silencer 210 and the second silencer 230 are provided separately, in this case, the first silencer 210 and the second silencer 230 are not connected, and after installation, the second silencer 230 is interposed between the end of the first silencer 210 and the second end cap 130. In the second case, the first silencing element 210 and the second silencing element 230 are integrally formed, in this case, the first silencing element 210 and the second silencing element 230 are fixedly connected, and the first silencing element 210 and the second silencing element 230 can be installed in the filter element body 100 or taken out from the filter element body 100 together.

The first and second muffling members 210 and 230 are made of a sound-absorbing material, such as inorganic/organic fibers, foam, sponge, or the like. Considering that the materials of fibers, foam plastics and sponge are soft, the installation is inconvenient and fixed. Accordingly, the first and second muffling elements 210 and 230 are easily installed in the filter element body 100. Referring to FIG. 3, the muffler assembly 200 further includes a bracket 220 for supporting the first muffler component 210 and the second muffler component 230. Wherein the first sound-deadening member 210 and the second sound-deadening member 230 are provided in the filtering passage M by the bracket 220.

In the present embodiment, the frame 220 has a hollow structure. The hollow structure can be understood as that the bracket 220 is provided with a through hole for exposing the first silencing part 210 and the second silencing part 230, and when the sound wave of the noise enters the filter element body 100, the sound wave of the noise contacts the first silencing part 210 and the second silencing part 230 through the through hole, so as to reduce the noise.

Specifically, the bracket 220 has a receiving space therein, and the first sound absorbing member 210 and the second sound absorbing member 230 are disposed in the receiving space to form a whole with the bracket 220. The connection between the bracket 220 and the filter cartridge body 100 can be as follows: in the first case, the bracket 220 is directly inserted into the filtering channel M of the filter element body 100 along the central axis L of the filter element body 100, and the bracket 220 is in interference connection with the inner wall of the filter element body 100; in a second situation, please refer to fig. 6, a connecting portion 221 is disposed on an end portion of the bracket 220 close to the first end cap 120, a through hole for a screw to pass through is disposed on the connecting portion 221, and a screw hole matched with the screw is disposed on the first end cap 120.

Example two

The present embodiment provides an air-moving device, which in one illustrative scenario is an air-cleaning fan (not shown). The air cleaning fan includes a fan and a filter structure as previously described. When the air purification fan works, the fan is used for forming negative pressure inside the air purification fan and sucking indoor air into the air purification fan through an air inlet in the air purification fan, and air flow is filtered by the filtering structure and then discharged through an air outlet in the air purifier.

The filter passage M of the filter element body 100 is a passage through which air flows and also a passage through which sound is radiated to the outside. In the above process, if the silencing assembly 200 is not disposed in the filtering channel M, the noise (noise source) generated by the fan is radiated to the external environment through the filtering channel M, thereby affecting the user's feeling.

In this embodiment, the noise reduction assembly 200 is disposed in the filtering channel M, so that the noise radiated from the fan through the filtering channel M can be effectively absorbed, and the purpose of reducing noise is achieved. In addition, the silencing assembly 200 is arranged in the filtering channel M, so that the space is effectively utilized, the silencing assembly 200 does not need to be arranged in another space, and the filtering channel M has the advantages of compact structure and small occupied space.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiment of the utility model, ordinary technical personnel in this field can make other different forms of change or change under the prerequisite of not making creative work, all should belong to the scope of protection of the utility model.

Claims (10)

1. A filter construction, comprising:

the filter element comprises a filter element body, a filter element and a filter element cover, wherein a filter channel distributed along the central axis direction of the filter element body is formed in the filter element body, and an inlet communicated with the filter channel is formed in one end part of the filter element body;

the noise reduction assembly is arranged in the filtering channel and extends along the direction of the central axis, and the noise reduction assembly is configured to absorb noise radiated by the filtering channel.

2. The filter structure of claim 1,

the silencing component divides the filtering channel into at least two sub-channels, and the sub-channels extend along the direction of the central axis.

3. Filter construction according to claim 1 or 2,

the amortization subassembly includes follows the first amortization piece that the axis direction extends, wherein, first amortization piece adopts sound absorbing material to make.

4. The filter structure of claim 3,

the transverse section of the first silencing piece is in a straight shape; or,

the transverse section of the first silencing piece is in a cross shape.

5. Filter construction according to claim 3,

another tip of filter core body is the blind end, the amortization subassembly still include with the second amortization piece that another tip of filter core body leaned on.

6. The filter structure of claim 5,

the first silencing piece and the second silencing piece are arranged in a split manner; or,

the first silencing piece and the second silencing piece are integrally formed.

7. The filter structure of claim 5,

the silencing assembly further comprises a bracket for supporting the first silencing piece and the second silencing piece, and the bracket is of a hollow structure;

wherein, first amortization spare with the second amortization spare passes through the support is located in filtering the passageway.

8. The filter structure of claim 7,

the bracket is provided with an accommodating space, and the first silencing piece and the second silencing piece are arranged in the accommodating space to form a whole with the bracket.

9. The filter structure of claim 1,

the filter element body comprises a hollow filter element with two open ends, a first end cover arranged on one end part of the filter element and a second end cover arranged on the other end part of the filter element;

wherein the first end cap is provided with a central aperture to form the inlet of the filter element body.

10. An air supply arrangement, characterized in that it comprises a filter structure according to any one of claims 1 to 9.

Images