CN110478990A - A kind of indoor air cleaner recycling wind pressure reinforcement and low noise - Google Patents

Abstract

The invention provides an indoor air purifier with enhanced circulating air pressure and low noise, comprising a casing, the casing comprising a bottom plate, and a plurality of pillars are evenly distributed along the circumferential direction of the bottom plate, and a space enclosed by the pillars is provided with a There is a filter element, the top of the filter element is sealed with the inner side of the shell, the top of the support column supports a fixed cavity together, and the center of the bottom of the fixed cavity is provided with a double output shaft motor, the double output shaft motor The upper output shaft is coaxially connected with the upper fan, and the upper fan is located in the fixed cavity, the lower output shaft is coaxially connected with the lower fan, and the lower fan is located above the filter element; the casing A plurality of ventilation holes are opened at the positions corresponding to the filter element to send out the purified air. The present invention can enhance the wind pressure and improve the air purification effect without the need of high-power operation, and at the same time, the noise reduction treatment is carried out to reduce noise pollution.

Description

An indoor air purifier with enhanced circulating air pressure and low noise

technical field

The invention belongs to the technical field of air purifiers, and in particular relates to an indoor air purifier with enhanced circulating wind pressure and low noise.

Background technique

People's living standards are constantly improving, but our ambient air quality is constantly declining. Severe air pollution has a serious impact on people's health. People pay more and more attention to their living and working environment, and also put forward higher requirements for the air quality of working and living environment. Air purifiers play an important role in the process of indoor air purification and are widely used in offices, bedrooms, hospitals and other places.

More and more people are aware of the importance of clean air to health, and people spend an average of about 80% of their time indoors every day. Indoor air purifiers use a variety of different technologies and media to achieve the adsorption, decomposition or transformation of various air pollutants through physical and chemical methods. The purification effect and noise of the currently produced air purifiers are two major problems that plague people's experience. Especially for high-power indoor air purifiers that can obtain better purification effects, the noise is generally high and the use experience is not good. .

SUMMARY OF THE INVENTION

Aiming at the problem that the purification effect and noise pollution of the high-power operation of the air purifier in the prior art are difficult to achieve, the present invention provides an indoor air purifier with enhanced circulating air pressure and low noise, which can enhance the wind power without high-power operation. pressure, improve the air purification effect, and at the same time carry out noise reduction treatment to reduce noise pollution.

The present invention adopts following technical scheme:

An indoor air purifier with enhanced circulating wind pressure and low noise, comprising a casing, the casing comprising a bottom plate, and the bottom plate is uniformly distributed with a plurality of pillars arranged in the vertical direction along the circumferential direction, and the pillars are enclosed to form a A filter element is arranged in the space, and the filter element is cylindrical and the top of the filter element is sealed with the inner side of the casing. The top of the support column supports a fixed cavity together, and the fixed cavity is cylindrical and fixed. The bottom center of the cavity is provided with a double output shaft motor, the double output shaft motor includes an upper output shaft and a lower output shaft extending in the vertical direction, the upper output shaft is coaxially connected with the upper fan, and the upper fan Located in the fixed cavity, the lower output shaft extends downward to the outside of the fixed cavity, the lower output shaft is coaxially connected with the lower fan, and the lower fan is located above the filter element; The top is capped by a grille and the grille is located above the upper fan, and a number of ventilation holes are opened on the casing at positions corresponding to the filter element to send out the purified air.

Preferably, the top of the fixed cavity is provided with a muffler screen, the muffler screen is in the shape of a trumpet, the muffler screen is made of muffler material, and the muffler screen is distributed with ventilation holes to avoid obstruction of all The upper fan and the lower fan draw outside air.

Preferably, the trumpet-shaped outer edge of the muffler screen is provided with a plurality of lugs along the circumferential direction, the lugs are located at the bottom of the trumpet-shaped outer edge of the muffler screen and the protrusions extend downward, and the top of the fixing cavity A number of card slots are arranged along the circumferential direction, the card slots and the lugs are in one-to-one correspondence, and the lugs are inserted into the card grooves so that the muffler screen is erected in the fixed cavity .

Preferably, the outer side wall of the fixing cavity is provided with a plurality of fixing ears extending outward along the circumferential direction, the fixing ears are in one-to-one correspondence with the pillars, and the fixing ears are fixedly connected with the top ends of the pillars.

Preferably, the top end of the pillar is provided with a top seat and the top seat is fixedly connected with the fixing ear, and the bottom end of the pillar is provided with a base and the base is fixedly connected with the bottom plate.

Preferably, a motor room for assembling the dual-output shaft motor is provided in the center of the bottom of the fixing cavity, and the motor room is fixedly connected with the inner wall of the fixing cavity through several rib plates.

Preferably, the housing includes a front plate and a rear plate that are symmetrically arranged in the front and rear, and side plates that are arranged symmetrically in the left and right sides. The left and right sides of the board are distributed along the vertical direction with a plurality of second connection ears, the first connection ears and the second connection ears are in one-to-one correspondence and are connected in a snap connection way so that the front plate or the rear plate is respectively connected to the side panels are connected.

The beneficial effects of the present invention are as follows:

The invention adopts dual output shaft DC motors to drive two fan blades to work at the same time, which can greatly enhance and increase the wind pressure of the side wall of the air purifier, create a large indoor air circulation, improve the purification efficiency, and further improve the air quality of people's lives; To avoid noise pollution, the air purifier of the present invention is provided with a sound-absorbing screen, which is made of sound-absorbing material, which can reduce noise. Therefore, the present invention can take into account good air purification effect and low-noise environment at the same time, and improve people's quality of life. , has a good market prospect.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of embodiment 1;

Fig. 2 is the left side view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is the A-A view of Fig. 1;

Fig. 5 is the B-B view of Fig. 1;

Fig. 6 is the structural representation of the side plate in Fig. 1;

Fig. 7 is the top view of Fig. 6;

Fig. 8 is the structural representation of the front plate in Fig. 1;

Fig. 9 is the top view of Fig. 8;

Fig. 10 is the left side view of Fig. 8;

Fig. 11 is the structural schematic diagram of the pillar in Fig. 1;

Fig. 12 is the top view of Fig. 11;

Fig. 13 is the structural representation of the bottom plate in Fig. 1;

Fig. 14 is the structural representation of the grid in Figs. 1 and 3;

Fig. 15 is the structural representation of the muffler screen in Figs. 1 and 3;

FIG. 16 is a schematic structural diagram of the fixed cavity in FIG. 1;

Fig. 17 is the A-A view of Fig. 16;

In the picture:

1. Side plate; 2. Grille; 3. Silencer; 4. Upper fan blade; 5. Motor; 6. Motor upper output shaft; 7. Motor lower output shaft; 8. Motor room; 9. Fixed cavity; 10 , lower fan blade; 11, screw cover; 12, pillar; 13, filter element; 14, bottom plate; 15, first connection ear; 16, second connection ear; 17, base; 18, top seat; 19, fixed ear; 20. Front plate; 21. Card slot; 22. Lug.

Detailed ways

In order to make the technical purpose, technical solutions and beneficial effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments.

As shown in Figs. 1 to 17, an indoor air purifier with enhanced circulating air pressure and low noise includes a casing, the casing is composed of a front plate 20 and a rear plate symmetrically arranged in the front and rear, side plates 1 arranged symmetrically in the left and right, located in The bottom plate at the bottom and the grid 2 at the top are jointly enclosed to form a square space, the grid 2 is evenly distributed with a number of grid bars along the circumferential direction, and the grid bars extend outward from the center of the grid in a radiating shape;

The front and rear sides of the inner wall of the side plate 1 are vertically distributed with a number of first connecting ears 15 extending in a direction perpendicular to the side plate, and the left and right sides of the front plate 20 or the rear plate face the The direction of the side plate is bent and extended for a certain distance to form the extension portion, and the extension portion and the front plate or the rear plate are in a circular arc transition, and the end of the extension portion is distributed along the vertical direction with a number of second connection ears 16. The second connecting lugs 16 are arranged close to the inner wall of the extension portion, the first connecting lugs 15 and the second connecting lugs 16 are in one-to-one correspondence, and the second connecting lugs 16 are provided for vertical insertion. The through holes of the first connecting lugs 15 allow the first connecting lugs 15 and the second connecting lugs 16 to connect the front plate 20 or the rear plate respectively with the side plate 1 in a snap connection manner, and at the same time The thickness of the second connecting ear 16 and the thickness of the side plate where the first connecting ear 15 is arranged should be designed so that the side plate and the extension part are seamlessly butted.

The upper part of the front panel 20 is provided with a display screen and operation buttons for displaying air quality, and the operation buttons are used to control the operation of the air purifier. It can be achieved by conventional techniques in the art, and will not be repeated here; the lower part of the front plate 20 is provided with a square hole at the position corresponding to the filter element, and the position of the square hole is provided with a hole matching the square hole. The cover plate is detachable and connected. When the filter element needs to be replaced, the cover plate can be removed, and the filter element can be taken out through the square hole.

The bottom plate 14 is evenly distributed with four pillars 12 arranged in the vertical direction along the circumferential direction, and the space enclosed by the pillars 12 is provided with a filter element 13, the filter element 13 is cylindrical and the filter element 13 The top of the purifier is sealed with the inner side of the casing so that the air entering the purifier must be purified by the filter element 13 before it can be discharged through the following ventilation holes. The top of the pillar 12 supports a fixed cavity 9 together, The fixed cavity 9 is cylindrical, and the bottom center of the fixed cavity 9 is provided with a motor room 8 . The motor room 8 is equipped with the double output shaft motor 5 , and the motor room 8 is connected to the other through a number of ribs. The inner walls of the fixed cavity 9 are fixedly connected to each other. The dual output shaft motor 5 includes an upper output shaft 6 and a lower output shaft 7 extending in the vertical direction. The upper output shaft 6 is coaxially connected to the upper fan 4, and the The upper fan 4 is located in the fixed cavity 9 , the bottom center of the motor room 8 is provided with a through hole, and the lower output shaft 7 passes through the through hole of the motor room 8 and extends downward to the outside of the fixed cavity 9 And the lower output shaft 7 is coaxially connected with the lower fan 10, the bottom end of the lower output shaft 7 is screwed with a screw cap 11 to fix the lower fan 10; and the lower fan 10 is located above the filter element 13; The top of the casing is capped by the grille 2 and the grille 2 is located above the upper fan 4. The grille 2 is evenly distributed with a number of grilles along the circumferential direction, and the grille is radiated by The center of the grille extends outward, and a number of ventilation holes are opened on the casing at positions corresponding to the filter element 13 to send out the purified air.

In this embodiment, in order to reduce noise, the top of the fixed cavity 9 is provided with a muffler screen 3, the muffler screen 3 is in the shape of a trumpet with a big upper and a small bottom, the muffler screen 3 is made of muffler material, and the muffler screen 3 is made of muffler material. The sieve 3 is provided with ventilation holes to prevent the upper fan 4 and the lower fan 10 from sucking outside air.

In this embodiment, the fixing method of the muffler screen 3 is as follows: the trumpet-shaped outer edge of the muffler screen 3 is provided with a plurality of lugs 22 along the circumferential direction, and the lugs 22 are located at the horn-shaped outer edge of the muffler screen 3 . The bottom and the lugs 22 extend downward. The top of the fixing cavity 9 is provided with a plurality of card slots 21 in the circumferential direction. The card grooves 21 correspond to the lugs 22 one-to-one and the lugs 22 are adapted It is inserted into the card slot 21 so that the muffler screen 3 is erected in the fixing cavity 9 .

In this embodiment, the upper outer side wall of the fixing cavity 9 extends outward in the circumferential direction and has four fixing ears 19 evenly distributed. The fixing ears 19 are fixedly connected to each other, and the bottom end of the pillar 12 is provided with a base 17 , and the base 17 is fixedly connected to the bottom plate 14 . The fixing ears 19 are in one-to-one correspondence with the pillars 12 , and the fixing ears 19 are fixedly connected with the top ends of the pillars 12 .

Finally, it should be noted that the above-mentioned embodiments are only used to illustrate rather than limit the technical solutions of the present invention, and any equivalent replacements to the present invention and modifications or partial replacements that do not depart from the spirit and scope of the present invention shall be included in the present invention. within the scope of protection of the invention claims.

Claims (7)

1. a kind of circulation wind pressure reinforces and the indoor air cleaner of low noise, including shell, the shell include bottom plate, feature Be: the bottom plate is uniformly distributed circumferentially several pillars being arranged along the vertical direction, space made of the pillar encloses Interior to be equipped with filter core, the filter core is cylindrical and the top of the filter core and the inside of the shell are mutually tightly connected, the branch The top of column supports a lock chamber jointly, and the lock chamber is cylindrical and the bottom centre of lock chamber is equipped with a double output shaft Motor, the Dual-output shaft motor include the upper output shaft extended along the vertical direction and lower output shaft, the upper output shaft with it is upper Fan is coaxially connected, and the upper fan is located in the lock chamber, and the lower output shaft extends downward into outside the lock chamber And the lower output shaft and lower fan are coaxially connected, and the lower fan is located at the top of the filter core；The top of the shell It is bound by a grid and the grid is located at the top of the upper fan, corresponded at the position of the filter core on the shell and open Equipped with several ventilation holes to send out purified air.

2. circulation wind pressure according to claim 1 reinforces and the indoor air cleaner of low noise, it is characterised in that: described solid Determine the top of chamber to sieve equipped with noise reduction, the noise reduction sieve in up big and down small horn-like, the noise reduction sieve be made of quieter material and Exhausting hole is distributed on the noise reduction sieve to avoid the upper fan and lower fan suction outside air is hindered.

3. circulation wind pressure according to claim 2 reinforces and the indoor air cleaner of low noise, it is characterised in that: described to disappear Sound sieve horn-like outer rim circumferentially arranged with several lugs, the lug be located at the noise reduction sieve horn-like outer rim bottom and The lug extends downwardly, and circumferentially arranged with several card slots, the card slot and the lug one are a pair of at the top of the lock chamber It answers and the lug is inserted in being adapted in the card slot and so that the noise reduction screen frame (unit) is set in the lock chamber.

4. circulation wind pressure according to claim 1 reinforces and the indoor air cleaner of low noise, it is characterised in that: described solid The lateral wall for determining chamber circumferentially extends outwardly equipped with several fixed ears, and the fixed ear corresponds and described solid with the pillar The top for determining ear and the pillar is fixedly connected with.

5. circulation wind pressure according to claim 4 reinforces and the indoor air cleaner of low noise, it is characterised in that: the branch The top of column is equipped with footstock and the footstock is fixedly connected with the fixed ear, and the bottom end of the pillar is equipped with pedestal and the pedestal It is fixedly connected with the bottom plate.

6. circulation wind pressure according to claim 1 reinforces and the indoor air cleaner of low noise, it is characterised in that: described solid The bottom centre of chamber is determined equipped with the motor room for assembling the Dual-output shaft motor, and the motor room passes through several gussets and institute The inner wall for stating lock chamber is fixedly connected with.

7. circulation wind pressure according to claim 1 reinforces and the indoor air cleaner of low noise, it is characterised in that: described outer Shell symmetrically arranged front and rear panels and the side plate being symmetrical set before and after including, the front and rear sides of the side plate are along vertical Directional spreding has several first engaging lugs, and several second connections are distributed in the left and right sides of the front or rear panel along the vertical direction Ear, first engaging lug and the second engaging lug correspond and distinguish the front or rear panel It is connected with the side plate.