CN111482081A - An indoor air purification device - Google Patents

Abstract

The invention belongs to the technical field of air purification, and particularly relates to an indoor air purification device which aims at the problem that the normal use is influenced by a filter screen and a photocatalytic screen plate which are fully distributed with dust during long-term use. In the invention, the air inlet flow collides with the flow guide plate of the streamline structure at the bottom of the filter screen plate, so that the filter screen plate keeps rotating in the use process, the filter screen plate is prevented from being blocked due to the fact that dust is fully paved in a standing way, and normal use of equipment can be ensured when a large amount of dust is collected due to untimely cleaning.

Description

An indoor air purification device

technical field

The invention relates to the technical field of air purification, in particular to an indoor air purification device.

Background technique

People have always believed that the most serious air pollution is outdoors, but in fact, the indoor environment of offices, rooms, restaurants, theaters, network clubs, dance halls and other buildings has a much greater impact on people's health than the outdoors. Quality directly affects human health. As people's requirements for quality of life gradually increase, indoor air purification and devices are also widely used in people's daily life.

Nowadays, the movable air purification device generally used in the room mainly uses the fan to actively introduce the indoor air into the device, and uses the filter screen and the purification mechanism in the device to filter and purify the air and then discharge it, so as to realize the purification operation. In the prior art, the gas is often purified by photocatalytic reaction by means of a suitable ultraviolet lamp and a photocatalytic screen plate, but in practice, during long-term use, a large amount of dust is often covered on the filter screen and the photocatalytic screen plate. If the equipment is not cleaned for a long time due to objective reasons, the equipment will not work normally and the actual use effect of the device will be affected.

SUMMARY OF THE INVENTION

Based on the technical problem that the indoor air purification device in the prior art will affect the normal use due to the dust covering the filter screen and the photocatalytic screen plate when used for a long time, the present invention proposes an indoor air purification device.

An indoor air purification device proposed by the present invention includes a cylinder body, the outer wall of the cylinder body is provided with an air inlet and an air outlet, and the interior of the cylinder body is provided with a filter screen plate and a purification mechanism, and the purification mechanism is provided with a photocatalytic net A limiter tube is fixed at the middle of the inner wall of the top of the cylinder, and the air outlet is arranged at the top of the limiter tube. The inner wall of the limiter tube is fixed with an outlet fan, and the inner wall of the cylinder is located at the limiter The outside of the cylinder is fixed with a plurality of intake fans, the top of the outer wall of the cylinder is provided with a plurality of air inlets, the photocatalytic mesh plate is arranged into a mesh cylinder structure, and the top end of the inner wall of the photocatalytic mesh plate and the bottom end outer wall of the limiting cylinder are arranged. Sliding connection, an ultraviolet lamp is fixed at the middle position of the inner wall of the bottom of the cylinder, the filter plate is arranged in a ring structure, and the inner wall of the filter plate is rotatably connected with the outer wall of the limiting cylinder through a bearing, and the bottom of the filter plate is connected to the outer wall of the limiting cylinder. The air guide plates distributed in an annular array are fixed, and both sides of the air guide plate along the axial direction of the screen plate are arranged in a streamlined structure, and a filter screen is fixed on the top of the air outlet.

Preferably, a plurality of vertically arranged guide holes are opened in the middle position of the guide plate.

Preferably, the top of the screen plate is fixed with screen plates distributed in an annular array, and a gap is set between the screen plate and the screen plate, and the top of the screen plate is arranged in an arched arc structure.

Preferably, the top of the screen plate is provided with grooves distributed in an annular array, and the grooves and the screen plate are arranged at intervals, and the bottom inner wall of the groove is arranged in an arc structure.

Preferably, the top end of the outer wall of the cylinder is fixed with a shutter with an open bottom, and the top of the shutter is arranged in an arc structure.

Preferably, a cover plate and a base are respectively detachably connected to the top and bottom of the cylinder, the top of the limiting cylinder and the bottom of the cover are fixedly connected, and the bottom of the photocatalytic screen is fixedly connected to the top of the base .

Preferably, the top of the base is located outside the photocatalytic mesh plate, and a storage box with an annular structure is fixed.

Preferably, a ring-shaped waterproof expansion strip is fixed on the outer periphery of the top outer wall of the base, and a sealing groove is provided at a position corresponding to the waterproof expansion strip on the inner wall of the bottom of the cylinder.

Preferably, the top and bottom ends of the photocatalytic mesh plate are fixed with a fixing ring, and a fixing groove of a ring structure is opened at the position corresponding to the top of the base and the fixing ring, and the inner wall of the fixing groove rotates through the bearing and the outer wall of the fixing ring connected, the inner wall and the outer wall of the fixing ring at the top are respectively fixed with a plurality of auxiliary vanes and guide vanes.

Preferably, light blocking plates are fixed on both sides of the inner wall of the limiting cylinder, and the light blocking plates are inclined upward toward the side away from the fixed point. structure.

Compared with the prior art, the present invention provides an indoor air purification device, which has the following beneficial effects:

1. In this indoor air purification device, a limiting cylinder is fixed on the top of the cylinder, and a fan and an inlet fan are respectively fixed inside and outside the cylinder, so that the indoor air enters from the air inlet at the top of the outer wall of the cylinder, and passes through the limiting cylinder in turn. The filter screen plate at the top outside the position cylinder and the photocatalytic screen plate with the net cylinder structure at the bottom of the limit cylinder are discharged from the air outlet at the top of the limit cylinder. The air is purified, and it can avoid the level of the photocatalytic screen plate and cause the dust to be covered. The device sets the screen plate into a ring structure and is connected to the outer wall of the limit cylinder through bearings. The deflector plate of the structure collides, so that the filter plate keeps rotating during use, and avoids the blockage caused by the dust standing over the filter plate, which can ensure the normal use of the equipment when a large amount of dust is collected without cleaning in time. .

2. This kind of indoor air purification device, the device is fixed on the top of the screen plate with screen plates distributed in an annular array, the screen plate is arranged to protrude upward, and the top of the screen plate is located between two adjacent screen plates with a groove. , and set the top of the screen plate and the bottom of the groove into an arc structure, so as to increase the contact area of the top of the screen plate, and increase the concavo-convexity of the top of the screen plate, so that the dust can move with the rotation of the screen plate. During the process, it accumulates to the groove position, so as to avoid the blockage caused by the dust spread on the top of the filter plate, and further ensure the effective work of the device for a long time.

3. In this indoor air purification device, a fixing ring is fixed on the top and bottom ends of the photocatalytic mesh plate of the mesh cylinder structure, and the fixed ring is used to rotate the connection between the photocatalytic mesh plate and the base, so as to utilize the moving airflow It collides with the guide vane and the auxiliary vane, so that the photocatalytic mesh plate rotates with the airflow movement during the actual use of the device, which further prevents the photocatalytic mesh plate from being blocked due to dust.

4. In this indoor air purification device, light blocking plates are fixed on the inner wall of the limiting cylinder above and below the outlet fan. One side is inclined upwards, so as to prevent ultraviolet rays from directly radiating from the limiting tube to the outside, so as to ensure the actual use effect of the equipment.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of indoor air purification device proposed by the present invention;

Fig. 2 is a cross-sectional structural schematic diagram of an indoor air purification device proposed by the present invention;

3 is a schematic structural diagram of a deflector of an indoor air purification device proposed by the present invention;

4 is a schematic diagram of a screen distribution structure of an indoor air purification device proposed by the present invention;

FIG. 5 is a schematic structural diagram of a limiting cylinder of an indoor air purification device proposed by the present invention.

In the picture: 1 cylinder, 2 air inlets, 3 air outlets, 4 limit cylinders, 5 outlet fans, 6 inlet fans, 7 photocatalytic screen plates, 8 ultraviolet lamps, 9 filter screen plates, 10 guide plates, 11 guide plates Orifice, 12 mesh plate, 13 groove, 14 shutter, 15 cover plate, 16 filter screen, 17 base, 18 waterproof expansion strip, 19 storage box, 20 fixing ring, 21 guide vane, 22 auxiliary vane, 23 block Light board.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

Example 1

1-4, an indoor air purification device includes a cylinder 1, the outer wall of the cylinder 1 is provided with an air inlet 2 and an air outlet 3, and the interior of the cylinder 1 is provided with a filter screen 9 and a purification mechanism, purifying The mechanism is composed of a photocatalytic mesh plate 7 and an ultraviolet lamp 8. A limit cylinder 4 placed vertically is fixed in the middle position of the inner wall of the top of the cylinder 1, and the air outlet 3 is arranged on the top of the limit cylinder 4. The limit cylinder 4 The inner wall of the cylinder 1 is fixed with an outlet fan 5 for upward drafting, and the inner wall of the cylinder 1 is located outside the limiting cylinder 4 with a plurality of downward drafting fans 6 fixed, and the top of the outer wall of the cylinder 1 is provided with a plurality of air inlets 2 , the photocatalytic mesh plate 7 is arranged into a mesh cylinder structure, and the top end of the inner wall of the photocatalytic mesh plate 7 is slidably connected to the outer wall of the bottom end of the limiting cylinder 4, and the middle position of the inner wall of the bottom of the cylinder body 1 is fixed with an ultraviolet lamp 8, a filter mesh plate 9 is arranged in an annular structure, and the inner wall of the screen plate 9 is rotatably connected with the outer wall of the limiting cylinder 4 through the bearing, the outer wall of the screen plate 9 is slidably connected with the inner wall of the cylinder 1, and the bottom of the screen plate 9 is fixed with a ring. The air guide plates 10 are distributed in an array, and both sides of the air guide plates 10 along the axial direction of the screen plate 9 are arranged in a streamlined structure, and a filter screen 16 is fixed on the top of the air outlet 3 .

In the present invention, a plurality of vertically arranged guide holes 11 are opened in the middle position of the guide plate 10 , the screen plates 12 distributed in an annular array are fixed on the top of the screen plate 9 , and the gap between the screen plate 12 and the screen plate 9 is fixed. There is a gap between them, the top of the screen plate 12 is set into an arched arc structure, the top of the screen plate 9 is provided with grooves 13 distributed in an annular array, and the grooves 13 and the screen plate 12 are arranged to be distributed at intervals, The bottom inner wall of the groove 13 is arranged in an arc structure;

The top of the outer wall of the cylinder body 1 is fixed with a shutter 14 with an opening at the bottom, and the top of the shutter 14 is arranged in an arc-shaped structure. The top end of 4 is fixedly connected with the bottom of the cover plate 15, the bottom end of the photocatalytic mesh plate 7 is fixedly connected with the top of the base 17, and the top of the base 17 is located outside the photocatalytic mesh plate 7 and is fixed with a ring-shaped storage box 19. ;

The outer periphery of the top outer wall of the base 17 is fixed with a waterproof expansion strip 18 of annular structure, and a sealing groove is provided at the position corresponding to the inner wall of the bottom of the cylinder 1 and the waterproof expansion strip 18, and the top and bottom ends of the photocatalytic screen 7 are fixed with fixed Ring 20, and the position corresponding to the top of the base 17 and the fixing ring 20 is provided with a fixing groove of a ring structure, the inner wall of the fixing groove is rotatably connected with the outer wall of the fixing ring 20 through a bearing, and the inner wall of the fixing ring 20 at the top is connected with the limiting cylinder 4. The bottom end of the outer wall is slidably connected, and a plurality of auxiliary vanes 22 and guide vanes 21 are respectively fixed on the inner wall and the outer wall of the fixing ring 20 at the top end.

When in use, the indoor air enters from the air inlet 2 at the top of the outer wall of the cylinder 1, passes through the filter screen 9 at the top of the limiting cylinder 4, and the photocatalytic screen 7 with the mesh cylinder structure at the bottom of the limiting cylinder 4 in turn, and then passes through the limiting cylinder 4. The air is discharged from the air outlet 3 at the top of the limiting cylinder 4, and the vertically arranged photocatalytic screen plate 7 cooperates with the ultraviolet lamp 8 inside to purify the air, and can avoid the photocatalytic screen plate 7 being level and causing dust to be covered. When the air is in, the airflow collides with the deflector 10 of the streamlined structure at the bottom of the filter plate 9, so that the filter plate 9 keeps rotating during use, so as to avoid the dust standing and covering the filter plate 9 to cause blockage, which can be cleaned up in time. When a large amount of dust is collected, the normal use of the equipment can be guaranteed;

The device sets the top of the screen plate 12 and the bottom of the groove 13 into an arc-shaped structure, thereby increasing the contact area of the top of the screen plate 9 and increasing the concavo-convexity of the top of the screen plate 9, so that the dust flows with the filter screen. During the rotation of the plate 9, it accumulates at the position of the groove 13, so as to avoid the complete blockage caused by the dust spread on the top of the screen plate 9, which further ensures the effective work of the device for a long time, and utilizes the moving airflow and the guide vanes 21 and auxiliary The collision of the blades 22 makes the photocatalytic mesh plate 7 rotate with the airflow movement during the actual use of the device, which further prevents the photocatalytic mesh plate 7 from being blocked by dust.

Example 2

1-5, an indoor air purification device, both sides of the inner wall of the limiting cylinder 4 are fixed with light blocking plates 23, and the light blocking plates 23 are inclined upward toward the side away from the fixed point. On the top and bottom of the fan 5, the light blocking plates 23 are arranged in an arc structure.

When in use, the two light blocking plates 23 are located on both sides of the limiting cylinder 4 respectively, and the light blocking plates 23 are inclined upward towards the side away from the fixed point, so as to prevent the ultraviolet rays from being directly irradiated from the limiting cylinder 4 to the outside, so as to ensure the actual use of the equipment. Effect.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (10)

1. An indoor air purification device, comprising a cylinder (1), the outer wall of the cylinder (1) is provided with an air inlet (2) and an air outlet (3), and the interior of the cylinder (1) is provided with a filter A screen plate (9) and a purification mechanism, the purification mechanism is set to be composed of a photocatalytic screen plate (7) and an ultraviolet lamp (8), characterized in that a limiting cylinder (4) is fixed at the middle position of the inner wall of the top of the cylinder (1). ), and the air outlet (3) is arranged at the top of the limiting cylinder (4), the inner wall of the limiting cylinder (4) is fixed with an outlet fan (5), and the inner wall of the cylinder (1) is located in the limiting cylinder (4). ) is fixed with a plurality of air inlet fans (6) outside, the top of the outer wall of the cylinder (1) is provided with a plurality of air inlets (2), the photocatalytic mesh plate (7) is arranged into a mesh cylinder structure, and the photocatalytic mesh The top end of the inner wall of the plate (7) is slidably connected to the outer wall of the bottom end of the limiting cylinder (4), the middle position of the inner wall of the bottom of the cylinder (1) is fixed with an ultraviolet lamp (8), and the filter screen plate (9) is arranged in a ring The inner wall of the screen plate (9) is rotatably connected to the outer wall of the limiting cylinder (4) through a bearing, and the bottom of the screen plate (9) is fixed with the guide plates (10) distributed in an annular array, and Both sides of the guide plate (10) along the axial direction of the screen plate (9) are arranged in a streamlined structure, and a screen (16) is fixed at the top of the air outlet (3). 2 . The indoor air purification device according to claim 1 , wherein a plurality of vertically arranged guide holes ( 11 ) are opened in the middle position of the guide plate ( 10 ). 3 . 3. An indoor air purification device according to claim 1 or 2, characterized in that a screen plate (12) distributed in an annular array is fixed on the top of the screen plate (9), and the screen plate (12) A gap is arranged between the screen plate (9) and the screen plate (12), and the top of the screen plate (12) is arranged in an arched arc structure. 4 . The indoor air purification device according to claim 3 , wherein the top of the filter screen plate ( 9 ) is provided with grooves ( 13 ) distributed in an annular array, and the grooves ( 13 ) are connected to the mesh. 5 . The plates (12) are arranged at intervals, and the bottom inner wall of the groove (13) is arranged in an arc structure. 5 . The indoor air purification device according to claim 1 , wherein a cover ( 14 ) with an open bottom is fixed to the top of the outer wall of the cylinder ( 1 ), and the top of the cover ( 14 ) is provided with a cover ( 14 ). 6 . into an arc structure. 6. An indoor air purification device according to claim 1, characterized in that a cover plate (15) and a base (17) are detachably connected to the top and bottom of the cylinder (1), respectively, and are limited The top end of the cylinder (4) is fixedly connected with the bottom of the cover plate (15), and the bottom end of the photocatalytic screen plate (7) is fixedly connected with the top of the base (17). 7 . The indoor air purification device according to claim 6 , wherein the top of the base ( 17 ) is located outside the photocatalytic mesh plate ( 7 ), and a ring-shaped storage box ( 19 ) is fixed. 8 . 8 . The indoor air purification device according to claim 6 , wherein a waterproof expansion strip ( 18 ) of annular structure is fixed on the outer periphery of the top outer wall of the base ( 17 ), and the bottom of the cylinder ( 1 ) is The inner wall is provided with a sealing groove at the position corresponding to the waterproof expansion strip (18). 9 . An indoor air purification device according to claim 6 , wherein the top and bottom ends of the photocatalytic mesh plate ( 7 ) are fixed with a fixing ring ( 20 ), and the top of the base ( 17 ) is connected to the top of the base ( 17 ). 10 . The fixing ring (20) is provided with a ring-shaped fixing groove at the corresponding position, the inner wall of the fixing groove is rotatably connected with the outer wall of the fixing ring (20) through a bearing, and the inner wall and the outer wall of the fixing ring (20) at the top are respectively fixed with a plurality of Auxiliary vanes (22) and guide vanes (21). 10. An indoor air purification device according to claim 1, characterized in that, light blocking plates (23) are fixed on both sides of the inner wall of the limiting cylinder (4), and the light blocking plates (23) are fixed in a direction away from One side of the point is inclined upward, the two light blocking plates (23) are respectively located at the top and the bottom of the outlet fan (5), and the light blocking plates (23) are arranged in an arc structure.

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