CN207137547U - Special-shaped filter assemblies for air purifier - Google Patents

Abstract

The utility model provides a kind of special-shaped filter assemblies for air purifier, is related to air purifier field, including low efficient filter screen and special-shaped high efficiency filter, low efficient filter screen are covered on the one side of special-shaped high efficiency filter air intake；Special-shaped high efficiency filter includes horizontal segment, vertical section and inward slant section, and vertical section is fixedly connected with the end of horizontal segment, and the one end for the section that slopes inwardly is fixedly connected with vertical section, and the other end tilts to the direction where horizontal segment.Special-shaped filter assemblies provided by the utility model for air purifier, due to the shape of special-shaped high efficiency filter, after in the cavity installed in air purifier, " J " font air intake passage can be formed in cavity, filter area can be increased, reduce filtering velocity, improve filter efficiency, reduction passes through resistance；Because the resistance in filter process is smaller, therefore, may be selected compared with low-head, Wind Volume, lower-powered cross flow fan.

Description

Special-shaped filter assemblies for air purifier

Technical field

Air purifier field is the utility model is related to, more particularly, to a kind of special-shaped filtering group for air purifier Part.

Background technology

On the one hand, with the improvement of living standards, people are to the attention degree more and more higher of air quality；On the other hand, It is further serious with the air pollution situation such as continuous propulsion, PM2.5 of process of industrialization；Under this overall background, air purifier Using more and more common, daily necessities are increasingly becoming.

Household Air Purifier of the prior art, its performance standard are all by Clean air delivery rate (Clean Air Delivery Rate, CADR) it is defined as the most important index of air purifier, objectively causing misleading, each production firm Blindly increase air purifier CADR, it is intended that improve efficiency of air filter or air quantity to improve the market sales volume.In fact, simultaneously There is no experimental data to support the PM2.5 of low concentration to have positive benefit, i.e., undue pursuit PM2.5, to healthy unhelpful to human body.

Based on above-mentioned mistake in understanding, filter used in air purifier of the prior art, too pursued Efficiency is filtered, filtration resistance is larger.Correspondingly, it is necessary to configure high-head, powerful blower fan, cause running noises larger.

Utility model content

The purpose of this utility model is to provide a kind of special-shaped filter assemblies for air purifier, to solve existing skill Filter used in air purifier in art, filtration resistance is big, the big technical problem of running noises.

To achieve the above object, the utility model provides a kind of special-shaped filter assemblies for air purifier, including thick Effect screen pack and special-shaped high efficiency filter, the low efficient filter screen are covered in the one side of special-shaped high efficiency filter air intake On；The special-shaped high efficiency filter includes the end of horizontal segment, vertical section and inward slant section, the vertical section and horizontal segment It is fixedly connected, one end of the inward slant section is fixedly connected with vertical section, and the other end tilts to the direction where horizontal segment.

In the above-mentioned technical solutions, further, the material of the low efficient filter screen is polyamide fibre net；The special-shaped high efficiency The material of filter is superfine polypropylene fiber.

In addition to backboard and blower fan in the above-mentioned technical solutions, further,；The backboard be provided with the first mounting seat and Second mounting seat, one end of the horizontal segment are fixedly connected with the first mounting seat, and the other end is fixedly connected with vertical section；It is described to Tilted section of one end not being connected with vertical section and screens is formed between backboard, the assembling in the second mounting seat, and In screens.

In the above-mentioned technical solutions, further, the blower fan is cross flow fan.

Compared to prior art, the special-shaped filter assemblies provided by the utility model for air purifier, there is provided two Layer filtration, low efficient filter screen main filtration large granular impurity, and special-shaped high efficiency filter, equivalent to sub- efficient low-resistance Air cleaner, ensure that indoor PM2.5 concentration reaches relevant criterion, high efficiency particulate air filter (the i.e. HEPA mistakes without pursuing high-drag Filter).Moreover, the special-shaped high efficiency filter of above-mentioned shape can expand the effective filtration area of filter as far as possible, reduce filtering velocity. Improve filter efficiency, reduction passes through resistance.Reduce resistance of the air-flow by filter.Further, since the resistance in filter process Power is smaller, therefore, lower-powered blower fan may be selected as air-supply actuating unit, can not only reduce energy consumption, can also reduce and make an uproar Sound.

Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the special-shaped filter assemblies provided by the utility model for air purifier.

Reference：

1- low efficient filter screens；2- abnormity high efficiency filters；3- backboards；4- blower fans；21- horizontal segments；22- vertical sections；23- Inward slant section；The mounting seats of 31- first；The mounting seats of 32- second.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Refering to Fig. 1, the special-shaped filter assemblies provided by the utility model for air purifier, including low efficient filter screen 1 And special-shaped high efficiency filter 2, the low efficient filter screen 1 are covered on the one side of the special-shaped air intake of high efficiency filter 2；Institute Stating special-shaped high efficiency filter 2 includes horizontal segment 21, vertical section 22 and inward slant section 23, the vertical section 22 and horizontal segment 21 End be fixedly connected, one end of the inward slant section 23 is fixedly connected with vertical section 22, where the other end to horizontal segment 21 Direction tilt.

Special-shaped filter assemblies provided by the utility model for air purifier, due to the shape of special-shaped high efficiency filter Shape, in the cavity installed in air purifier after, " J " font air intake passage can be formed in cavity, filtering can be increased Area, filtering velocity is reduced, improve filter efficiency, reduction passes through resistance.

Special-shaped filter assemblies provided by the utility model for air purifier, there is provided two layers of filtration, thick effect The main filtration large granular impurity of screen pack 1, and special-shaped high efficiency filter 2, because the actually detected efficiency of filtrate static electrification may Reach high efficiency particulate air filter, but strictly detected by national standard GB/T14295, equivalent to sub- efficient low-resistance air cleaner, ensured Indoor PM2.5 concentration reaches relevant criterion, the high efficiency particulate air filter (i.e. HEPA filters) without pursuing high-drag.It is moreover, above-mentioned The special-shaped high efficiency filter 2 of shape can as far as possible expand filter effective filtration area, reduce filtering velocity, improve filter efficiency, Reduce resistance of the air-flow by filter.Further, since the resistance in filter process is smaller, therefore, it is smaller that power may be selected Blower fan 4 as air-supply actuating unit, energy consumption can not only be reduced, can also reduce noise.

In the present embodiment, the material of the low efficient filter screen is polyamide fibre net；The material of the special-shaped high efficiency filter For superfine polypropylene fiber.Polyamide fibre net is as coarse filtration, and superfine polypropylene fiber is used for refined filtration, even superfine polypropylene fiber, it is filtered Resistance is also smaller.

In the present embodiment, in addition to backboard 3 and blower fan 4；Backboard 3 refers to the back plate of the housing of air purifier, This, for installing blower fan 4 and filter.

Specifically, the backboard 3 is provided with the first mounting seat 31 and the second mounting seat 32, one end of the horizontal segment 21 It is fixedly connected with the first mounting seat 31, the other end is fixedly connected with vertical section 22；The inward slant section 23 not with vertical section 22 Screens is formed between one end of connection and backboard 3, the blower fan 4 is arranged in the second mounting seat 32, and in screens.

Special-shaped high efficiency filter 2 and blower fan 4 are separately mounted in the first mounting seat 31 and the second mounting seat 32, can be convenient Dismounting, be convenient to clean and repair.

And the screens formed between inward slant section 23 and backboard 3, blower fan 4 can be closely installed, reduce wind loss, Improve purification efficiency.

In the present embodiment, due to the reduction of built in air filter resistance, create using minor diameter, slender type, big The advantage of the runner of cross flow fan 4 of air quantity, can without using the high-head centrifugal blower 4 of conventional air cleaners again To significantly reduce the running noises of blower fan 4.

Certainly, this is only a specific embodiment of the present utility model, and the blower fan used in the utility model is not limited to This is alternatively other blower fan types.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (4)

1. a kind of special-shaped filter assemblies for air purifier, it is characterised in that including low efficient filter screen and abnormity efficiently Rate filter, the low efficient filter screen are covered on the one side of special-shaped high efficiency filter air intake；The special-shaped high efficiency mistake Filter includes horizontal segment, vertical section and inward slant section, and the vertical section is fixedly connected with the end of horizontal segment, described lean-in One end of oblique section is fixedly connected with vertical section, and the other end tilts to the direction where horizontal segment.

2. the special-shaped filter assemblies according to claim 1 for air purifier, it is characterised in that the thick effect filtering The material of net is polyamide fibre net；The material of the special-shaped high efficiency filter is superfine polypropylene fiber.

3. the special-shaped filter assemblies according to claim 1 for air purifier, it is characterised in that also including backboard and Blower fan；The backboard is provided with the first mounting seat and the second mounting seat, and one end of the horizontal segment is fixed with the first mounting seat to be connected Connect, the other end is fixedly connected with vertical section；Form and block between one end of the inward slant Duan Weiyu vertical sections connection and backboard Position, the assembling are located in screens in the second mounting seat.

4. the special-shaped filter assemblies according to claim 3 for air purifier, it is characterised in that the blower fan is to pass through Flow fan.