CN215175756U

CN215175756U - Air purifier

Info

Publication number: CN215175756U
Application number: CN202121745081.XU
Authority: CN
Inventors: 徐武通; 黄洁妮
Original assignee: Xiamen Airbus Electronic Technology Co ltd
Current assignee: Xiamen Airbus Electronic Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-14
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to an air purifier, which comprises an outer shell, an inner shell and a purifying component arranged in the inner shell, wherein the inner shell is provided with a cavity arranged along an axial direction, and the upper end part of the cavity is provided with an air outlet; purify the subassembly and include control panel, fan and filter core, a plurality of first air inlet windows have been seted up on the perisporium that the interior casing lower part corresponds the filter core, form the annular channel who is linked together with first air inlet window between the internal perisporium of shell body and the periphery wall of interior casing, a plurality of second air inlet windows of seting up along the cavity axial have on the shell body, second air inlet window is greater than first air inlet window along the ascending length of cavity axial direction along cavity axial direction ascending length to solve the current problem that air purifier side air input is little.

Description

Air purifier

Technical Field

The utility model relates to an air purification equipment technical field specifically is to relate to an air purifier.

Background

The air cleaner is a device that purifies polluted air and changes the air into fresh air, and the air cleaner sucks the polluted air by a fan, collects fine dust and bacteria by a filter, and removes odor such as body odor and smoke.

The mode of bottom air inlet, top air-out is generally adopted to current air purifier, and this kind of air inlet mode is still be difficult to the little problem of amount of wind that appears to bulky air purifier because the air inlet area is less relatively, nevertheless to the isometric little, portable's of on-vehicle clarifier, desktop clarifier, because its appearance volume is less relatively, the air inlet area is then littleer, consequently has influenced air purifier's air output to a great extent. Although the prior art also has a scheme of arranging the air inlet on the peripheral wall of the lower part of the air purifier, in order to ensure the mode of the lower part of the air purifier for entering and exiting, only the air inlet can be arranged on the peripheral wall of the lower part, and in order to ensure the aesthetic property of the air purifier, the grid-shaped air inlet is mostly arranged on partial area, the total air inlet area is limited, and the total air inlet amount is influenced; in addition, in order to guarantee the filtering effect, the filter screen is mostly arranged by being attached to the air inlet, so that the filter screen only has the most effective filtering effect just opposite to the part at the air inlet, the effective filtering area of the filter element is small, and the filtering efficiency of the air purifier and the service life of the filter screen are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air purifier to solve the little problem of current air purifier side intake.

The specific scheme is as follows:

an air purifier comprises an outer shell, an inner shell and a purifying assembly arranged in the inner shell, wherein the inner shell is provided with a cavity arranged along an axial direction, two ends of the cavity along the axial direction are respectively defined as an upper end and a lower end, and an air outlet is formed in the upper end part of the cavity; the purifying assembly comprises a control panel, a fan and a filter element, the filter element is arranged at the lower part of the cavity, a plurality of first air inlet windows are arranged on the peripheral wall of the lower part of the inner shell, which corresponds to the filter element, the fan is arranged between the filter element and the air outlet, and the control panel is electrically connected with the fan; the shell body cover is established on the periphery side of interior casing, and forms the annular channel who is linked together with first air inlet window between the internal perisporium of shell body and the periphery wall of interior casing, have a plurality of second air inlet windows of seting up along the cavity axial on the shell body, second air inlet window is greater than first air inlet window along the ascending length of cavity axial direction along cavity axial direction.

Further, the total area of the first air inlet windows is not less than 70% of the total area of the outer peripheral wall of the filter element.

Further, the total area of the first air inlet windows is larger than 80% of the total area of the outer peripheral wall of the filter element.

Furthermore, the upper end and the lower end of the inner shell are respectively provided with a flange protruding towards the radial direction of the cavity, and the upper end and the lower end of the outer shell are respectively matched and fixed with the flanges corresponding to the upper end and the lower end of the inner shell.

Furthermore, the upper end part and the lower end part of the outer shell and the flanges corresponding to the upper end part and the lower end part of the inner shell are connected and fixed in a buckling manner.

Furthermore, be provided with a plurality of floor on the internal perisporium of shell body, the radial protrusion setting of cavity is followed to the floor the shell body fixed mounting is back on interior casing, the free end face of floor offsets with the outer wall of interior casing.

Furthermore, the outer shell is formed by combining a plurality of outer shell units, a gap is formed between every two adjacent outer shell units, and the gap is used as a second air inlet window.

Furthermore, at least one of the outer shell units is also provided with a second air inlet window.

Furthermore, the middle part of the cavity is provided with a blocking part, the lower part of the cavity is also provided with a bottom cover, the bottom cover is fixedly assembled at the lower end part of the inner shell and is provided with a butting part extending into the cavity, and the blocking part and the butting part are matched to fixedly assemble the filter element in the cavity.

The utility model provides an air purifier compares with prior art and has following advantage: the utility model provides an air purifier adopts the design of ectotheca to form annular channel between ectotheca and interior casing, set up on the ectotheca and can not influence the wind channel on the interior casing along the ascending second air inlet window of cavity axial direction, consequently can design second air inlet window bigger at cavity axial direction's length, can be under the circumstances of guaranteeing the whole aesthetic property of air purifier, still can guarantee that this air purifier can have big air inlet area.

Drawings

Fig. 1 shows a schematic diagram of an air purifier.

Fig. 2 shows a schematic cross-sectional view of an air purifier.

Fig. 3 shows a schematic view of the inner housing.

Fig. 4 shows a schematic view of the outer housing unit.

Fig. 5 shows a schematic view of the outer housing.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the present embodiment provides an air purifier including an outer case 1, an inner case 2, and a purification assembly 3 installed inside the inner case 2.

The inner housing 2 has a cavity 20 axially disposed along an axis, the cavity 20 is configured to match with a filter element structure, and since most of the existing filter elements are circular ring structures, the cavity 20 also generally has a substantially cylindrical structure, for convenience of description, two ends of the cavity 20 along the axis are respectively defined as an upper end and a lower end, and an air outlet 21 is disposed on the upper end of the cavity 20.

Purification assembly 3 includes control panel 30, fan 31 and filter core 32, and filter core 32 is an annular structure, and it is installed in the lower part of cavity 20, has seted up a plurality of first air inlet windows 22 on the corresponding filter core 32's of interior casing 2 lower part perisporium, and fan 31 is located cavity 20, and is located between filter core 32 and the air outlet 21 to let this fan 31 can be with the air after filter core 32 follow air outlet 21 discharges. The control panel 30 is fixedly installed on the inner case 2 and electrically connected to the fan 31 for controlling the operation of the fan 31. Since the fan 31 is controlled by the control panel to operate, for example, the control of modes such as on/off, multi-gear air volume and the like is the prior art, and the control mode and the control circuit can be the same as those of the existing air purifier, so that only one module is used for representation here, and detailed structures and circuits thereof are not described again.

The shell body 1 covers on the periphery side of the inner shell body 2, a distance is arranged between the inner peripheral wall of the shell body 1 and the outer peripheral wall of the inner shell body 2, an annular channel 11 communicated with a first air inlet window 22 on the inner shell body 2 is formed, a plurality of second air inlet windows 12 which are axially arranged along the cavity 20 are arranged on the shell body 1, and the length of each second air inlet window 12 in the axial direction of the cavity 20 is greater than that of each first air inlet window 22 in the axial direction of the cavity 20.

The air flow direction of the air purifier provided in this embodiment is as shown by the arrow in fig. 2, under the action of the fan 31, the air in the external environment is sucked into the annular channel 11 from the second air inlet window 12 of the outer shell 1, then circulates to the first air inlet window 22 from the annular channel 11, and is discharged from the air outlet 21 after being filtered by the filter element 32. Because form annular channel 11 between shell body 1 and the interior casing 2, and set up on shell body 1 and can not influence the wind channel on the interior casing 2 along the ascending second air inlet window 12 of cavity 20 axial direction, consequently can design second air inlet window 12 bigger at the length of cavity 20 axial direction, can guarantee under the circumstances of the whole aesthetic property of air purifier, still can guarantee that this air purifier can have big air inlet area.

In this embodiment, the total area of the first air inlet windows 22 is not less than 70% of the total area of the outer peripheral wall of the filter element 32, and preferably, the total area of the first air inlet windows 22 is greater than 80% of the total area of the outer peripheral wall of the filter element 32, so that the filter element 32 has a larger effective filtering area while having a larger air inlet area.

In this embodiment, referring to fig. 2 and 3, the middle of the cavity 20 has a stopper 24, the stopper 24 axially limits the upper portion of the filter element 32, the lower portion of the cavity 20 is further provided with a bottom cover 4, the bottom cover 4 is fixedly assembled at the lower end of the inner housing 2 and has an abutting portion 41 extending into the cavity 20, the abutting portion 41 axially limits the lower portion of the filter element 32, and the filter element 32 is fixedly assembled in the cavity 20 by the cooperation of the stopper 24 and the abutting portion 41, so as to facilitate the installation and replacement of the filter element 32. In this embodiment, the lower portion of the inner housing 2 extends to the top of the filter element 32, and the top of the filter element 32 is positioned and fixed, that is, the inner housing 2 does not cover the outer periphery of the filter element 32, so that the outer periphery of the filter element 32 is completely exposed, that is, the outer periphery of the entire filter element 32 is used as the first air inlet window 22, so that the filter element 32 has a larger air inlet area, and meanwhile, the filter element 32 can have a larger effective filtering area.

It should be noted that the total area of the outer peripheral wall of the filter element 32 is determined by the diameter of the filter element 32, and a cylindrical filter element is taken as an example, where the outer diameter of the filter element is R and the height is H, the total area S of the outer peripheral wall of the filter element 32 is pi RH, and some filter elements in the prior art increase the filtering area by stacking pleats, but the filter element is still determined by the outer diameter and the height, that is, the total area S of the outer peripheral wall of the filter element 32 is pi RH.

In the present embodiment, referring to fig. 2-4, the inner housing 2 has a flange 23 protruding toward the radial direction of the cavity 20 at the upper end and the lower end, and the upper end and the lower end of the outer housing 1 are respectively fixed to the flanges 23 corresponding to the upper end and the lower end of the inner housing 2, so that the outer housing 1 is fixed to the inner housing 2.

Preferably, the upper end and the lower end of the outer shell 1 and the flanges 23 at the upper end and the lower end of the inner shell 2 are connected and fixed in a snap fit manner, that is, a snap 13 or a snap groove is formed on the outer shell 1, and a snap groove matched with the snap is formed on the inner shell 2 or a snap matched with the snap groove is formed, so that the outer shell 1 can be assembled conveniently.

In this embodiment, referring to fig. 4, a plurality of ribs 14 are disposed on the inner peripheral wall of the outer shell 1, the ribs 14 are disposed to protrude in the radial direction of the cavity 20, and after the outer shell 1 is fixedly mounted on the inner shell 2, the free end surfaces of the ribs 14 abut against the outer wall of the inner shell 2, so as to enhance the strength between the outer shell 1 and the inner shell 2, and also provide positioning and limiting effects for the outer shell assembly, which is convenient for the outer shell to be mounted.

In the present embodiment, referring to fig. 1 to 5, the outer casing 1 is formed by combining a plurality of outer casing units 15, and a gap is formed between two adjacent outer casing units 15, and the gap serves as the second air intake window 12. The outer shell 1 is formed by combining a plurality of outer shell units 15, so that the outer shell 1 can be assembled conveniently, gaps between every two adjacent outer shell units 15 serve as second air inlet windows 12, the second air inlet windows 12 can have larger air inlet areas, layering can be achieved between the inner shell and the outer shell, and the overall attractiveness of the air purifier can be guaranteed.

Preferably, at least one outer casing unit 15 is further provided with a second air intake window 12 to increase the total air intake area on the outer casing 1.

Through tests, compared with the structure of the lower side air inlet in the prior art, the maximum air output of the air purifier disclosed in the figure 1 is improved by about 60% under the same appearance volume and the same fan power, which proves that the structure has obvious advantages in air output.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An air purifier, its characterized in that: the air purifier comprises an outer shell, an inner shell and a purifying assembly arranged in the inner shell, wherein the inner shell is provided with a cavity arranged along an axial direction, two ends of the cavity along the axial direction are respectively defined as an upper end and a lower end, and an air outlet is formed in the upper end part of the cavity; the purifying assembly comprises a control panel, a fan and a filter element, the filter element is arranged at the lower part of the cavity, a plurality of first air inlet windows are arranged on the peripheral wall of the lower part of the inner shell, which corresponds to the filter element, the fan is arranged between the filter element and the air outlet, and the control panel is electrically connected with the fan; the shell body cover is established on the periphery side of interior casing, and forms the annular channel who is linked together with first air inlet window between the internal perisporium of shell body and the periphery wall of interior casing, have a plurality of second air inlet windows of seting up along the cavity axial on the shell body, second air inlet window is greater than first air inlet window along the ascending length of cavity axial direction along cavity axial direction.

2. The air purifier of claim 1, wherein: the total area of the first air inlet windows is not less than 70% of the total area of the peripheral wall of the filter element.

3. The air purifier of claim 2, wherein: the total area of the first air inlet window is larger than 80% of the total area of the peripheral wall of the filter element.

4. The air purifier of claim 1, wherein: the upper end and the lower end of the inner shell are respectively provided with a flange protruding towards the radial direction of the cavity, and the upper end and the lower end of the outer shell are respectively matched and fixed with the flanges corresponding to the upper end and the lower end of the inner shell.

5. The air purifier of claim 4, wherein: the upper end part and the lower end part of the outer shell are fixedly connected with flanges corresponding to the upper end part and the lower end part of the inner shell in a buckling mode.

6. The air purifier of claim 1, wherein: the inner peripheral wall of the outer shell is provided with a plurality of rib plates, the rib plates are arranged along the radial direction of the cavity in a protruding mode, the outer shell is fixedly installed on the inner shell, and the free end faces of the rib plates are abutted to the outer wall of the inner shell.

7. The air purifier of claim 1, wherein: the outer shell is formed by combining a plurality of outer shell units, a gap is formed between every two adjacent outer shell units, and the gap is used as a second air inlet window.

8. The air purifier of claim 7, wherein: at least one the shell body unit is also provided with a second air inlet window.

9. The air purifier of claim 1, wherein: the middle part of cavity has a stop part, a bottom is still installed to the lower part of cavity, the lower tip of casing including the bottom fixed assembly, and it has the portion of stopping that extends to in the cavity, stop part and with stop the cooperation of portion and with stop the fixed assembly of filter core in the cavity.