CN215295266U

CN215295266U - Air purification filter core and air purifier

Info

Publication number: CN215295266U
Application number: CN202120781209.1U
Authority: CN
Inventors: 龙风明; 赖鸿达
Original assignee: Shenzhen Snapmaker Technologies Co ltd
Current assignee: Shenzhen Snapmaker Technologies Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-12-24
Anticipated expiration: 2031-04-16

Abstract

The application discloses air purification filter core and air purifier. The air purification filter element comprises a shell with an air inlet and an air outlet, and a primary filter, a secondary filter, an activated carbon layer and a high-efficiency filter which are arranged in the shell; the primary filter, the intermediate filter, the activated carbon layer and the high efficiency filter are arranged in sequence along the direction from the air inlet to the air outlet. Through the filter core layer that will filter efficiency difference uses in combination for treat that filterable gas takes place different purifying effect in the filter core layer department of difference, and each filter core layer can absorb the different foreign matter of filtration (treat the particulate matter that purifies in the air) respectively, in order to reach the dwell position of the particulate matter of reposition of redundant personnel different diameters, be difficult for piling up too much particulate matter in certain one deck department, and then promote the holistic life-span of air purification filter core.

Description

Air purification filter core and air purifier

Technical Field

The application relates to the air purification field, especially relates to an air purification filter core and air purifier.

Background

In laser engraving, 3D printing, kitchens and other positions, toxic and harmful gas and gas with peculiar smell are easily generated. For this reason, it is necessary to provide an air purifier at the above-mentioned position, or an air purifying filter element at the above-mentioned position, to achieve the purification of air.

However, the existing air purification filter element adopts a single-layer filter layer to filter gas, so that the service life of the filter element is short, and the filtering effect is poor. And when equipment such as filter core and laser sculpture cooperate, can't realize setting up the leakproofness of being connected with laser sculpture.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide an air purification filter core, aims at solving prior art, the lower problem in life-span of filter core.

To achieve the purpose, the embodiment of the application adopts the following technical scheme:

the air purification filter element comprises a shell with an air inlet and an air outlet, and a primary filter, a secondary filter, an activated carbon layer and a high-efficiency filter which are arranged in the shell; the primary filter, the intermediate filter, the activated carbon layer and the high efficiency filter are sequentially arranged along the direction from the air inlet to the air outlet.

In one embodiment, a gap is formed between one side of the primary filter, which is far away from the medium-efficiency filter, and the air inlet, and the gap between the primary filter and the air inlet forms a first static pressure space.

In one embodiment, a gap is formed between one side of the high-efficiency filter, which is far away from the activated carbon layer, and the air outlet, and the gap between the high-efficiency filter and the air outlet forms a second static pressure space.

In one embodiment, the number of the high efficiency filters is two, and the two high efficiency filters are arranged in sequence along the direction away from the activated carbon layer.

In one embodiment, the high efficiency filter is a HEPA high efficiency filter and the HEPA high efficiency filter has a filtration rating of H13.

In one embodiment, the primary filter has a filtration rating of G3 or G4; the medium filter has a filter rating of F9.

In one embodiment, the housing is provided with a first gasket layer surrounding the air inlet, and/or the housing is provided with a second gasket layer surrounding the air outlet.

In one embodiment, the shell is provided with two handle belts, and the two handle belts are opposite and spaced.

In one embodiment, the air inlet and the air outlet are respectively located at two opposite ends of the housing.

Another object of the present application is to provide an air cleaner including the air cleaning filter described in any one of the above embodiments.

The beneficial effects of the embodiment of the application are as follows: gas to be filtered enters the shell from the air inlet, is intercepted by the primary filter, and mainly aims at solid small particles with the diameter more than 5um, and the filtering efficiency is only 90%; then, the solid particles with the diameter of 1-10 um pass through a medium-efficiency filter, and the filtering efficiency is 95%; then an active carbon layer (a filter layer with active carbon in the prior art) is formed, wherein countless loose small holes on the surface of the active carbon layer can absorb small solid particles and peculiar smell; then passes through at least one layer of high-efficiency filter, mainly aiming at the suspensible particles in the air with the particle size of more than or equal to 0.3um, and the filtering efficiency is 99.99 percent. Through the filter core layer that will filter efficiency difference uses in combination for treat that filterable gas takes place different purifying effect in the filter core layer department of difference, and each filter core layer can absorb the different foreign matter of filtration (treat the particulate matter that purifies in the air) respectively, in order to reach the dwell position of the particulate matter of reposition of redundant personnel different diameters, be difficult for piling up too much particulate matter in certain one deck department, and then promote the holistic life-span of air purification filter core.

Drawings

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

FIG. 1 is a schematic view of an air purification cartridge according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the internal structure of an air purification cartridge according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of an air purification cartridge in an embodiment of the present application;

in the figure:

1. a housing; 101. an air inlet; 102. an air outlet; 2. a primary filter; 3. a medium-efficiency filter; 4. an activated carbon layer; 5. a high efficiency filter; 6. a first hydrostatic space; 7. a second hydrostatic space; 8. a first seal cushion layer; 9. a second seal cushion layer; 10. a handle strap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The following detailed description of implementations of the present application is provided in conjunction with specific embodiments.

As shown in fig. 1-3, an air purification filter element according to an embodiment of the present invention includes a housing 1 having an air inlet 101 and an air outlet 102, and a primary filter 2, a secondary filter 3, an activated carbon layer 4, and a high efficiency filter 5 disposed in the housing 1; the primary filter 2, the intermediate filter 3, the activated carbon layer 4 and the high efficiency filter 5 are sequentially arranged along the direction from the air inlet 101 to the air outlet 102.

In the embodiment of this application, when air purification filter core was applied to air purifier, laser engraving machine and 3D and prints (three-dimensional printing), specific filtering process was: gas to be filtered enters the shell 1 from the air inlet 101, is intercepted by the primary filter 2, and mainly aims at solid small particles with the diameter more than 5um, and the filtering efficiency is only 90%; then, the solid particles pass through a medium-efficiency filter 3, and the filtering efficiency is 95% mainly aiming at the solid particles with the diameter of 1-10 um; then the active carbon layer 4 (the filtering layer with active carbon in the prior art) is used for adsorbing solid particles and peculiar smell mainly by countless loose pores on the surface of the active carbon; then passes through at least one layer of high-efficiency filter 5, mainly aiming at the suspensible particles in the air with the particle size of more than or equal to 0.3um, and the filtering efficiency is 99.99 percent. Through the filter element layer (primary filter 2, medium efficiency filter 3, activated carbon layer 4 and high efficiency filter 5) combination use that the filtration efficiency is different, make treat that filterable gas takes place different purifying effect in the filter element layer department of difference, and each filter element layer can absorb the different foreign matter of filtration (treat the particulate matter that purifies in the air) respectively, in order to reach the dwell position of the particulate matter of reposition of redundant personnel different diameters, be difficult for piling up too much particulate matter in certain one deck department, and then promote the holistic life-span of air purification filter element.

Therefore, when air purification filter core was applied to air purifier, laser engraving machine and 3D and prints, need not often to change air purification filter core.

Alternatively, the primary filter 2, the intermediate filter 3, the activated carbon layer 4 and the high efficiency filter 5 may be fixedly installed on the inner wall of the housing 1. Adjacent components are mounted in an optionally abutting manner, and the respective filters are integrated in the middle of the housing 1.

Optionally, the cross section of the housing 1 may be rectangular, and the material may be a hard material such as stainless steel material or aluminum material. The shape of the primary filter 2, the intermediate filter 3, the activated carbon layer 4 and the high-efficiency filter 5 is adapted to the cross section of the shell 1 and is tightly attached to the inner wall of the shell 1.

Optionally, the thickness of the primary filter 2 and the intermediate filter 3 may be 35 mm, the thickness of the activated carbon layer 4 may be 50 mm, and the thickness of the single high-efficiency filter 5 may be 70 mm. And further, the requirement of filtration is met under the condition of specific air volume. In the case of a change in the air volume, the above parameters can also be changed as required.

Referring to fig. 2-3, as another embodiment of the air purification filter cartridge provided by the present application, a gap is formed between one side of the primary filter 2 away from the intermediate filter 3 and the air inlet 101, and the gap between the primary filter 2 and the air inlet 101 forms a first static pressure space 6. After entering the housing 1 from the air inlet 101, the air to be purified reaches the first static pressure space 6, but is not directly contacted with the primary filter 2; consequently most air is full of rethread primary filter 2 behind the first static pressure space 6, also the surface of primary filter 2 all has the air everywhere to pass through, for the air of air intake 101 department is direct to contact with primary filter 2, can promote the area that primary filter 2 can contact with the air, primary filter 2's edge also can purify the air, further shunts the particulate matter, the particulate matter is difficult to local gathering, and then promotes the life-span of air purification filter core.

Referring to fig. 2-3, as another embodiment of the air purification filter element provided in the present application, a gap is formed between a side of the high efficiency filter 5 away from the activated carbon layer 4 and the air outlet 102, and a second static pressure space 7 is formed between the gap between the high efficiency filter 5 and the air outlet 102. Before leaving shell 1, the air passes through second static pressure space 7 earlier, and the realization is full of second static pressure space 7 department, and consequently high efficiency filter 5 keeps away from each atmospheric pressure of one side of activated carbon layer 4 and approaches to the same, and follow-up gas that passes through high efficiency filter 5 also can pass through everywhere on high efficiency filter 5's surface, and high efficiency filter 5's edge also can filter gas, further shunts the particulate matter, and the particulate matter is difficult for local gathering, and then promotes the life-span of air purification filter core.

Optionally, first static pressure space 6 and the setting of second static pressure space 7 complex for the everywhere atmospheric pressure of the inside cross section of shell 1 approaches to the same, and the effect of reposition of redundant personnel particulate matter is realized through each filter everywhere of the inside cross section of shell 1 to the gas of being convenient for, and the particulate matter is difficult for the gathering, and then promotes the life-span of air purification filter core.

Alternatively, the thickness of the first and second

static pressure spaces

6, 7 may be 20 mm.

Referring to fig. 2-3, as another specific embodiment of the air purification filter element provided in the present application, the number of the high efficiency filters 5 is two, and the two high efficiency filters 5 are sequentially disposed along a direction away from the activated carbon layer 4, so as to improve filtering capability for particles that can be suspended in air larger than or equal to 0.3um, and prevent the particles that can be suspended from flowing into the air.

Referring to fig. 2 to fig. 3, as another embodiment of the air purification filter cartridge provided in the present application, the high efficiency filter 5 is a HEPA (high efficiency particulate filter) high efficiency filter 5, and the filtration grade of the HEPA high efficiency filter 5 is H13.

Referring to fig. 2-3, as another embodiment of the air purification filter cartridge provided in the present application, the primary filter 2 has a filtering grade of G3 or G4; the medium filter 3 has a filter rating of F9.

Referring to fig. 2-3, as another embodiment of the air purification filter element provided in the present application, a first gasket layer 8 surrounding an air inlet 101 is disposed on a housing 1, when the air purification filter element is applied to an air purifier, a laser engraving machine, and 3D printing. For example, when the air purification filter element is matched with a laser engraving machine, the air purification filter element can be attached to the first sealing cushion layer 8 to realize sealing, and the air to be purified cannot be easily leaked from the gap between the shell 1 and the laser engraving machine.

Be equipped with the second seal cushion 9 around air outlet 102 on the shell 1, when air purification filter core was applied to air purifier, laser engraving machine and 3D and prints. For example, when the air purification filter element is matched with a laser engraving machine, the purified air has certain temperature or hazard, and further purification or drainage of the pipeline may be needed, so that sealing can be realized by contacting the second sealing cushion layer 9 with the pipeline, and gas is not easy to leak.

Referring to fig. 2-3, as another embodiment of the air purification filter element provided by the present application, two handle strips 10 are disposed on the housing 1, and the two handle strips 10 are disposed opposite to each other and spaced apart from each other, so that the air purification filter element can be conveniently moved, and the air purification filter element can be conveniently installed and replaced.

Referring to fig. 2-3, as another embodiment of the air purification filter element provided by the present application, the air inlet 101 and the air outlet 102 are respectively located at two opposite ends of the housing 1, that is, the housing 1 is disposed in a manner that two ends are through, air flows smoothly without a curved path, and particles are not easily collected at the curved path, so as to ensure the service life of the air purification filter element.

The embodiment of the application provides an air purifier, including the air purification filter core in any one of the above-mentioned embodiments, because the life-span of air purification filter core is better, consequently air purifier also can keep longer life.

It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.

It should be understood that the above examples are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. The air purification filter element is characterized by comprising a shell with an air inlet and an air outlet, and a primary filter, a medium-efficiency filter, an activated carbon layer and a high-efficiency filter which are arranged in the shell; the primary filter, the intermediate filter, the activated carbon layer and the high efficiency filter are sequentially arranged along the direction from the air inlet to the air outlet.

2. The air purification filter element as recited in claim 1, wherein a gap is formed between a side of the primary filter remote from the secondary filter and the air inlet, and the gap between the primary filter and the air inlet forms a first static pressure space.

3. The air purification filter element according to claim 1, wherein a gap is formed between the side of the high efficiency filter, which is far away from the activated carbon layer, and the air outlet, and a second static pressure space is formed by the gap between the high efficiency filter and the air outlet.

4. The air purification filter element according to claim 1, wherein the number of the high efficiency filters is two, and the two high efficiency filters are arranged in sequence in a direction away from the activated carbon layer.

5. The air purification cartridge of claim 1, wherein the high efficiency filter is a HEPA high efficiency filter and the HEPA high efficiency filter has a filtration rating of H13.

6. The air purification cartridge of any one of claims 1-5, wherein the primary filter has a filtration rating of G3 or G4; the medium filter has a filter rating of F9.

7. The air purification filter cartridge of any one of claims 1-5, wherein the housing is provided with a first gasket layer surrounding the inlet opening, and/or wherein the housing is provided with a second gasket layer surrounding the outlet opening.

8. An air cleaning cartridge according to any one of claims 1 to 5 wherein the housing is provided with two handle strips, the two handle strips being opposed and spaced apart.

9. The air purification cartridge of any one of claims 1-5, wherein the inlet and outlet are located at opposite ends of the housing.

10. An air cleaner comprising an air cleaning cartridge according to any one of claims 1 to 9.