CN111322181A - Self-cleaning air filter - Google Patents

Abstract

The invention discloses a self-cleaning air filter. The self-cleaning air filter includes an air inlet, a cylinder body, an air outlet, a filter element, a motor and a fan. The air inlet is located on the top of the cylinder body, the air outlet is located on the side wall of the cylinder body, and the filter element is located inside the cylinder body. , the filter element is connected with the air outlet, the bottom of the filter element is sealed with the bottom of the cylinder, the motor is connected with the fan, the motor and the fan are both located inside the cylinder, the fan is set corresponding to the air inlet, and the bottom side of the cylinder is There is a dust outlet. The invention has the effects of self-cleaning the interior of the air filter and greatly improving the quality and efficiency of the air filter.

Description

Self-cleaning air filter

technical field

The invention relates to the technical field of air filtration equipment, in particular to a self-cleaning air filter.

Background technique

Air filter is an important and indispensable supporting equipment for fluid machinery, such as automobiles, excavators and other mechanical equipment, which are used to remove dust and impurities contained in the air sucked by fluid machinery and improve the quality of inhaled air. .

In the prior art, after the air inlet of the air filter enters the air, the dust is filtered and purified by the filtering effect of the filter element or the filter screen, and often after long-term use, the air with dust is inhaled and filtered, and the dust is adsorbed on the filter element or the filter screen. Surface, as well as the inner surface of the equipment, after long-term use, the filtering effect of the filter element or filter screen is weakened, the air intake is blocked, and at the same time, it is easy to cause wear or corrosion damage to the equipment itself, causing the air purification effect to be affected; at the same time, in the prior art The air intake system is automatic air intake, the wind force is weak, and the air intake resistance of the air filter is large, which cannot achieve a good air filter effect.

SUMMARY OF THE INVENTION

According to one aspect of the present invention, a self-cleaning air cleaner is provided, comprising an air inlet, a barrel, an air outlet, a filter element, a motor and a fan, the air inlet is located on the top of the barrel, and the air outlet is located on the side of the barrel On the wall, the filter element is located inside the cylinder, the filter element is connected with the air outlet, the bottom of the filter element is sealed with the bottom of the cylinder, the motor is connected with the fan, both the motor and the fan are located inside the cylinder, and the fan and the air inlet are connected. Correspondingly, the bottom side of the cylinder body is provided with a dust outlet.

The above-mentioned self-cleaning air filter has the beneficial effect that a motor and a fan are arranged inside the cylinder body, and the motor drives the fan to inhale the wind from the air inlet into the cylinder body, so as to blow up the dust accumulated on the surface of the filter element, The dust inside the cylinder is blown out through the dust outlet; and the vibration of the motor can loosen and lift the dust on the inner wall of the cylinder and the filter element, so that the wind sucked in by the fan can drive the dust; at the same time, the motor drives the fan to increase the air intake. The air intake resistance is reduced; the fan makes the wind form a swirling flow, and the centrifugal force of the wind becomes larger under the action of the electric fan, and the dust in the wind is more easily adsorbed to the cylinder wall under the action of the centrifugal force, which is easy to blow away along the cylinder wall. The byte function of the filter is achieved; the invention avoids the accumulation of dust in the filter in the prior art, and significantly improves the air filter effect and efficiency.

In some embodiments, the top of the cylinder is provided with a mesh cover, and the top surface of the mesh cover is provided with a plurality of meshes evenly distributed. The beneficial effect is that the setting of the mesh cover is for coarsely filtering magazines such as leaves and plastics in the inhaled air with a large volume, so as to prevent these substances from entering the interior of the cylinder.

In some embodiments, the top of the cylinder is further provided with a rain cap, the rain cap is located above the mesh cover, the rain cap is located above the air inlet, and the wind enters the air inlet from the side under the rain cap. The beneficial effect is that the air filter filters the air, and the entry of rainwater should be prevented from damaging the internal components of the equipment, and the rain cap is arranged on the air inlet, which effectively prevents the rainwater from entering the interior of the cylinder.

In some embodiments, the bottom of the cylinder is provided with a cover, and the dust outlet is located on the side of the cover. The beneficial effect is that the bottom of the cylinder is provided with a cover to facilitate disassembly and installation of the device, and the dust outlet is provided on the wind cover to facilitate timely disassembly and cleaning when there is too much dust.

In some embodiments, the inner wall of the cylinder is provided with a plurality of swirl plates, and the plurality of swirl plates are evenly distributed along the circumference of the inner wall of the cylinder. The beneficial effect is that the wind passes through the swirl plate to form a swirl flow, the wind flows down along the cylinder wall, is filtered and purified by the filter element, and is used in conjunction with the ventilation fan.

In some embodiments, the fan is provided with a plurality of fan blades evenly distributed, and the motor drives the fan blades to rotate, so that the wind enters the interior of the cylinder from the air inlet. The beneficial effect is that the plurality of fan blades make it easier for the wind to form a swirl flow and increase the centrifugal force.

In some embodiments, the motor is connected to the inner wall of the barrel through a connecting rod. The beneficial effect is that the motor is fixed on the inner wall of the cylinder, the installation is stable, and the dust on the inner wall of the cylinder can be loosened and dropped by the vibration of the motor.

Description of drawings

1 is a schematic diagram of the external overall structure of a self-cleaning air filter according to an embodiment of the present invention;

Fig. 2 is the sectional structure schematic diagram of the self-cleaning air cleaner shown in Fig. 1;

Fig. 3 is the top-view structure schematic diagram of the self-cleaning air filter shown in Fig. 1;

FIG. 4 is a schematic diagram of the internal structure of the self-cleaning air cleaner shown in FIG. 1 from another angle.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

1 to 4 schematically show a self-cleaning air cleaner according to an embodiment of the present invention. As shown in the figure, the self-cleaning air filter includes an air inlet 1, a cylinder body 2, an air outlet 3, a filter element 4, a motor 5 and a fan 6. The air inlet 1 is located on the top of the cylinder body 2, and the air outlet 3 Located on the side wall of the cylinder body 2, the filter element 4 is located inside the cylinder body 2, the filter element 4 is communicated with the air outlet 3, the bottom of the filter element 4 is sealed with the bottom of the cylinder body 2, the motor 5 is connected with the fan 6, and the motor 5 and the fan 6 are located inside the cylinder 2 , the fan 6 is arranged corresponding to the air inlet 1 , and the bottom side of the cylinder 2 is provided with a dust outlet 8 .

The above-mentioned self-cleaning air filter is provided with a motor 5 and a fan 6 inside the cylinder 2, and the motor 5 drives the fan 6 to inhale the wind from the air inlet 1 into the cylinder 2, and the dust accumulated on the surface of the filter element 4 is removed. Blow up, blow out the dust inside the cylinder 2 through the dust outlet 8; and the vibration of the motor 5 can loosen and lift the dust on the inner wall of the cylinder 2 and the filter element 4, so that the wind sucked in by the fan 6 can drive the dust; The motor 5 drives the fan 6 to increase the intake air volume and reduce the intake air resistance; the fan 6 makes the wind form a swirl, and the centrifugal force of the wind becomes larger under the action of the electric fan, and the dust in the wind is more easily adsorbed to the cylinder wall under the action of the centrifugal force. It is easy to blow away along the cylinder wall, and the byte function of the filter is achieved; the invention avoids the dust accumulation of the filter in the prior art, and significantly improves the air filtration effect and efficiency.

The top of the cylinder body 2 is provided with a mesh cover 12, and the top surface of the mesh cover 12 is provided with a plurality of meshes 121 evenly distributed. The setting of the mesh cover 12 is for coarsely filtering magazines with a large volume in the inhaled air, such as leaves, plastics, etc., so as to prevent these substances from entering the interior of the cylinder body 2 .

The top of the cylinder body 2 is also provided with a rain cap 13, the rain cap 13 is located above the mesh cover 12, the rain cap 13 is located above the air inlet 1, and the wind enters the air inlet 1 from the side under the feathers. The air filter filters the air to prevent the entry of rainwater from damaging the internal components of the equipment. The rain cap 13 is arranged on the air inlet 1 to effectively prevent the rainwater from entering the interior of the cylinder 2 .

The bottom of the cylinder body 2 is provided with a cover 7 , and the dust outlet 8 is located on the side of the cover 7 . The bottom of the cylinder 2 is provided with a cover 7 to facilitate disassembly and installation of the device, and the dust outlet 8 is provided on the wind cover to facilitate timely disassembly and cleaning when there is too much dust.

The inner wall of the cylinder body 2 is provided with a swirl plate 9 to increase the angle range. There are multiple swirl plates 9 , and the plurality of swirl plates 9 are evenly distributed along the circumference of the inner wall of the cylinder body 2 . The wind passes through the swirl plate 9 to form a swirl, and the wind flows down along the cylinder wall, filtered and purified by the filter element 4, and the ventilation fan 6 is used in conjunction.

The fan 6 is provided with a plurality of fan blades 61 evenly distributed, and the motor 5 drives the fan blades 61 to rotate, so that the wind enters the cylinder body 2 from the air inlet 1 . The plurality of fan blades 61 make it easier for the wind to form a swirl flow and increase the centrifugal force.

The motor 5 is connected to the inner wall of the cylinder 2 through the connecting rod 11 . The motor 5 is fixed on the inner wall of the cylinder body 2, the installation is stable, and the vibration of the motor 5 can drive the dust on the inner wall of the cylinder body 2 to loosen and fall off.

The foregoing are merely some of the embodiments of the present invention. For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (7)

1. A self-cleaning air filter, characterized in that it comprises an air inlet (1), a cylinder (2), an air outlet (3), a filter element (4), a motor (5) and a fan (6), so The air inlet (1) is located on the top of the cylinder (2), the air outlet (3) is located on the side wall of the cylinder (2), and the filter element (4) is located on the cylinder (2) Inside, the filter element (4) is communicated with the air outlet (3), the bottom of the filter element (4) is sealed with the bottom of the cylinder (2), and the motor (5) is connected to the The fan (6) is connected, the motor (5) and the fan (6) are both located inside the cylinder (2), and the fan (6) corresponds to the air inlet (1). A dust outlet (8) is provided on the bottom side of the cylinder body (2). 2. The self-cleaning air filter according to claim 1, characterized in that a mesh cover (12) is provided on the top of the cylinder (2), and a top surface of the mesh cover (12) is provided with a mesh cover (12). A plurality of meshes (121) are evenly distributed. 3. The self-cleaning air filter according to claim 2, characterized in that a rain cap (13) is further provided on the top of the cylinder (2), and the rain cap (13) is located on the net Above the cover (12), the rain cap (13) is located above the air inlet (1), and the wind enters the air inlet (1) from the side under the rain cap (13). 4. The self-cleaning air cleaner according to claim 3, characterized in that a cover (7) is provided at the bottom of the cylinder (2), and the dust outlet (8) is located in the seal side of cover (7). 5. The self-cleaning air filter according to claim 4, characterized in that, a swirl plate (9) is provided on the inner wall of the cylinder (2), and the swirl plate (9) is multi- One, a plurality of the swirl plates (9) are evenly distributed along the circumference of the inner wall of the cylinder (2). 6 . The self-cleaning air filter according to claim 5 , wherein the fan ( 6 ) is provided with a plurality of fan blades ( 61 ) that are evenly distributed, and the motor ( 5 ) drives the fan blades. 7 . (61) is rotated so that the wind enters the inside of the cylinder (2) from the air inlet (1). 7 . The self-cleaning air cleaner according to claim 1 , wherein the motor ( 5 ) is connected to the inner wall of the cylinder ( 2 ) through a connecting rod ( 11 ). 8 .

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