CN212701054U

CN212701054U - Filter screen

Info

Publication number: CN212701054U
Application number: CN202021495640.1U
Authority: CN
Inventors: 汪春节; 肖利容; 劳承云; 封宗瑜; 贾林虎
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-16
Anticipated expiration: 2030-07-24

Abstract

The application relates to the technical field of air filtration in general, particularly, relate to a filter screen, the filter screen includes filter paper and fixed network, filter paper has first filtration face and second filtration face, the fixed network laminating set up in the first filtration face of filter paper and/or the second filtration face of filter paper, filter paper is tubular structure, sheet structure or foldable wave structure, the filter screen is still including being used for the lock fixed the frame of fixed network and filter paper, the fixed network equipartition has a plurality of filtration holes, it is diamond-shaped hole, rectangular hole or circular port to filter the hole, the fixed network with the filter paper can be dismantled and be connected, adhesive tape and banding strip when the fixed network replaces traditional filter screen installation, can reduce the resistance of filter screen, reinforcing stability, the fixed network has better high temperature resistance for adhesive tape and banding strip, solves the smell problem that the adhesive tape brought, has improved the filter screen performance, the filter screen stability is good, and the temperature toleration is high, and easy dismounting, easy maintenance, fixed network repeatedly usable.

Description

Filter screen

Technical Field

The application relates to the technical field of air filtration in general, and particularly relates to a filter screen.

Background

The filter element is the core part of the air purifier, and the general process of the traditional filter screen manufacturing procedure is as follows: the filter paper is folded → the filter paper is glued → the sealed edge → the upper primary effect net → the fixed frame → the sealed edge → the package, which relates to the processing procedure of various materials, the whole wind resistance of the filter screen is large due to the fixed structure of the adhesive tape and the sealed edge strip, and the filtering performance is influenced.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to solve the above technical problem, the present application mainly aims to provide a filtering net.

In order to realize the purpose of the utility model, the following technical scheme is adopted in the application:

a filter screen comprises filter paper and a fixed screen;

the filter paper is provided with a first filtering surface and a second filtering surface, and the fixing net is attached to the first filtering surface of the filter paper and/or the second filtering surface of the filter paper; the filter paper is of a reverse-folding structure and is provided with a plurality of first folding peaks and a plurality of second folding peaks, the first folding peaks and the second folding peaks are arranged at intervals, and the first folding peak height is larger than the second folding peak height.

Further, in some embodiments of the present disclosure, the filter paper has a cylindrical structure, a sheet structure, or a folded wave structure.

Further, in some embodiments of the present disclosure, the filter screen further includes a frame for fastening and fixing the fixing net and the filter paper.

Furthermore, in some embodiments of the present disclosure, the fixing net has a plurality of filtering holes uniformly distributed thereon.

Further, in some embodiments of the present disclosure, the filtering holes are rhombic holes, rectangular holes or circular holes.

Further, in some embodiments of the present disclosure, the fixing net is detachably connected to the filter paper.

Further, in some embodiments of the present disclosure, the fixing net is made of one of ABS, PP, PET, PA, stainless steel and aluminum alloy.

Further, in some embodiments of this scheme, above-mentioned filter paper adopts HEPA high efficiency filter screen or presss from both sides carbon cloth processing and forms.

ABS is terpolymer of plastic acrylonitrile, butadiene and styrene, PP is polypropylene, PET is polyester resin, PA is plastic formed by nylon or polyamide, and filter paper can be HEPA high-efficiency filter screen or carbon cloth.

According to the technical scheme, the filter screen has the advantages and positive effects that:

the filter screen stability is good, and the temperature toleration is high, and easy dismounting, easy maintenance, fixed network repeatedly usable.

The filter screen includes filter paper and fixed network, filter paper has first filtering surface and second filtering surface, the fixed network laminating set up in the first filtering surface of filter paper and/or the second filtering surface of filter paper, adhesive tape and banding strip when the fixed network replaces traditional filter screen installation can reduce the resistance of filter screen, reinforcing stability, and the fixed network has better high temperature resistance for adhesive tape and banding strip, solves the smell problem that the adhesive tape brought, reduces filter screen processing cost, improves the filter screen performance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

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

Fig. 1 is a schematic diagram illustrating a filter paper structure of a filter net according to an exemplary embodiment.

Fig. 2 is a schematic diagram illustrating a fixed-net lay-flat of a filter net according to an exemplary embodiment.

Wherein the reference numerals are as follows:

100-filter paper; 200-fixing net;

110-first hump collapse; 120-second peak off;

210-filtration pores.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention, and it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In order to solve the problems of large wind resistance and low component reuse rate of the conventional filter screen, the filter screen comprises a filter paper 100 and a fixed screen 200, the filter paper 100 is provided with a first filtering surface and a second filtering surface, the fixed screen 200 is attached to the first filtering surface of the filter paper 100 and/or the second filtering surface of the filter paper 100, the fixed screen 200 replaces an adhesive tape and an edge sealing strip when the conventional filter screen is installed, the stiffness of the filter screen is ensured, the resistance of the filter screen can be reduced, the stability is enhanced, the fixed screen 200 has better high temperature resistance relative to the adhesive tape and the edge sealing strip, the problem of odor caused by the adhesive tape is solved, the performance of the filter screen is improved, the stability of the filter screen is good, the filter screen is convenient to disassemble and assemble, the maintenance is convenient, and the fixed.

With reference to fig. 1-2, according to actual usage requirements, a fixing net 200 may be disposed on a first filtering surface of the filter paper 100, or fixing nets 200 may be disposed on a first filtering surface and a second filtering surface of the filter paper 100, respectively.

As shown in fig. 1, the present embodiment is introduced by using a filter paper 100 with a folding wave structure, the filter paper 100 has a plurality of first folding peaks 110 and a plurality of second folding peaks 120, the first folding peaks 110 and the second folding peaks 120 are spaced apart, and the heights of the first folding peaks 110 and the second folding peaks 120 are different, in the present embodiment, the height of the first folding peaks 110 is greater than that of the second folding peaks 120, the fixing net 200 has the same structure as the filter paper 100, and the structural strength of the fixing net 200 is good, so as to further ensure the stiffness of the filter paper 100.

In this embodiment, the filter screen is further provided with a frame for fastening the fixing net 200 and the filter paper 100, the frame simultaneously holds the filter paper 100 and the fixing net 200, so as to ensure the stability of the filter screen, and under the understanding of the technical personnel in the field, the frame comprises an upper frame and a lower frame, the upper frame is fastened and connected with the lower frame, so that the filter paper 100 can be conveniently replaced and disassembled, and the reuse rate of components of the filter screen is improved.

Referring to fig. 2, the fixing net 200 has a plurality of filtering holes 210 uniformly distributed thereon, the filtering holes 210 may be rhombic holes, rectangular holes or circular holes, and based on the above structure and principle, the filtering holes 210 may also be irregularly shaped holes. The fixing net 200 is detachably coupled with the filter paper 100. As will be understood by those skilled in the art, the fixing net 200 and the filter paper 100 may be snap-fit connected, a first snap-fit structure is provided on the filter paper 100, and a second snap-fit structure is provided on the fixing net 200, wherein the second snap-fit structure is snap-fit connected with the first snap-fit structure.

On the basis of the technical personnel in the field, the fixing net 200 is processed by one of ABS, PP, PET, PA, stainless steel and aluminum alloy, the filter paper 100 is processed by HEPA high-efficiency filter net or carbon-sandwiched cloth, the ABS is terpolymer of three monomers of acrylonitrile, butadiene and styrene, the PP is polypropylene, the PET is polyester resin, and the PA is plastic formed by nylon or polyamide.

In this application scheme, during the installation of filter paper 100, at first according to the design demand filter paper 100 of rolling over, then roll over with fixed network 200 and filter paper 100 looks isostructure, when the fixed network 200 material is plastics, the mode that adopts to mould plastics makes the fixed network 200 shaping, the single face of filter paper 100 or two-sided laminating set up fixed network 200, then it is fixed to adopt the frame, in this scheme, the filter screen clearance is even, non-deformable, for traditional fixed mode, the filter screen temperature toleration is good, after filter paper 100 life-span expires, detachable frame and fixed network, and the sanitization, after more renewing filter paper, accomplish the change of filter paper.

In summary, the present disclosure provides a filter screen, where the filter screen includes a filter paper 100 and a fixing net 200, the filter paper 100 has a first filtering surface and a second filtering surface, the fixing net 200 is attached to the first filtering surface of the filter paper 100 and/or the second filtering surface of the filter paper 100, the filter paper 100 is in a cylindrical structure, a sheet structure or a folding wave structure, the filter screen further includes a frame for fastening and fixing the fixing net 200 and the filter paper 100, the fixing net 200 is uniformly distributed with a plurality of filtering holes 210, the filtering holes 210 are rhombic holes, rectangular holes or circular holes, the fixing net 200 is detachably connected to the filter paper 100, the fixing net 200 replaces an adhesive tape and an edge sealing strip in a traditional filter screen installation, so as to reduce resistance of the filter screen, enhance stability, the fixing net 200 has better high temperature resistance relative to the adhesive tape and the edge sealing strip, solve a problem of odor caused by the adhesive tape, and improve performance of, the filter screen stability is good, and the temperature toleration is high, and easy dismounting, easy maintenance, fixed network 200 repeatedly usable.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A filter screen is characterized by comprising a filter paper (100) and a fixed screen (200);

the filter paper (100) is provided with a first filtering surface and a second filtering surface, and the fixing net (200) is attached to the first filtering surface of the filter paper (100) and/or the second filtering surface of the filter paper (100);

the filter paper (100) is of a reverse-folding structure, the filter paper (100) is provided with a plurality of first folding peaks (110) and a plurality of second folding peaks (120), the first folding peaks (110) and the second folding peaks (120) are arranged at intervals, and the height of the first folding peaks (110) is larger than that of the second folding peaks (120).

2. A filter screen according to claim 1, characterised in that the filter paper (100) is of a cylindrical, sheet or folded wave configuration.

3. The filter screen according to claim 1, wherein the filter screen further comprises a frame for snap-fitting the fixing net (200) and the filter paper (100).

4. The filter screen according to claim 1, wherein the fixed screen (200) is provided with a plurality of filter holes (210) uniformly.

5. A filter screen according to claim 4, characterised in that the filter holes (210) are diamond, rectangular or circular holes.

6. The filter screen according to claim 1, wherein the fixing net (200) is detachably connected to the filter paper (100).

7. The filter screen according to claim 1, wherein the fixing net (200) is processed from one of ABS, PP, PET, PA, stainless steel and aluminum alloy.

8. The filter screen according to claim 1, wherein the filter paper (100) is made of HEPA high-efficiency filter screen or carbon cloth.