Filter type air inlet device for air cooler

Abstract

The invention relates to the technical field of air coolers, and discloses a filter type air inlet device for an air cooler, which comprises a rotary filter mechanism, a second gas inlet pipeline used for sucking gas, a double-shaft motor fixedly installed over the second gas inlet pipeline, and a dust filtering cylinder installed at the end of a gas inlet of the second gas inlet pipeline through a bearing and capable of filtering the gas are arranged in the second gas inlet pipeline. The third belt pulley can enable the dust filter cartridge to rotate along with a rotor of the double-shaft motor; and the fan blades are positioned in the second air inlet pipeline, can rotate along with the dust filter cartridge and generate outwards flowing air. According to the filtering type air inlet device for the air cooler, air entering the air cooler is effectively filtered through the filtering cylinder, so that the purity of the air entering the air cooler is guaranteed, in addition, when attached dust is cleaned, the device can effectively remove the attached dust through the gas backflow and centrifugal effect, and the air inlet efficiency is improved. Therefore, the time and labor intensity for removing dust are reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air coolers, in particular to a filtering air inlet device for an air cooler. BACKGROUND

[0002] The air inlet device of the existing air cooler is provided with a flow guide vane, and the compressed air volume of each region is basically the same, so that the cooling efficiency of the air cooler is improved. However, the air inlet device does not filter the entering air during use, dust in the air is easy to enter the interior of the air cooler, and the service life of the air cooler is affected. In addition, the size of the air inlet is fixed, the air inlet volume of the air cooler cannot be adjusted, and use is affected.

[0003] Therefore, the air inlet device of the air cooler is disclosed in Chinese Patent No. CN220834683U, which mainly comprises an air inlet pipeline, an air filter and an air outlet pipeline. The air filter is fixedly installed at one end of the air inlet pipeline, the air outlet pipeline is fixedly installed at the air outlet end of the air filter, one end of the air outlet pipeline is fixedly connected with the air inlet end of the air cooler, the air inlet pipeline is fixedly installed with a mounting frame at the other end, and air outlet adjusting mechanisms are rotatably connected to the inner walls on both sides of the air inlet pipeline. The air inlet device of the air cooler is provided with an air filter between the air inlet pipeline and the air outlet pipeline. The dust in the entering air can be cleaned by the air filter, the dust in the air is effectively prevented from entering the air cooler, the service life of the air cooler is effectively prolonged, the size of the air inlet pipeline can be adjusted by the air outlet adjusting mechanism installed in the air inlet pipeline, and the air inlet volume of the air cooler is effectively controlled.

[0004] In fact, after the dust is filtered by the air filter, the dust will adhere to the surface of the filter screen of the air filter. Although the dust in the entering air can be cleaned, more dust will adhere to the surface of the filter screen as the working time increases, the gas flow channel that can enter the air cooler will gradually decrease, and finally the air inlet efficiency of the air cooler will be seriously affected. When the dust adhering to the surface of the filter screen is cleaned, the equipment needs to be disassembled, the cleaning process is long, and the process is complicated. SUMMARY

[0005] In view of the defects of the prior art, the application provides a filtering air inlet device for an air cooler. The gas entering the air cooler is effectively filtered by the filter cartridge, so as to ensure the purity of the gas entering the air cooler. In addition, when the adhering dust is cleaned, the device can effectively remove the adhering dust through the backflow of the gas and the centrifugal effect, so as to reduce the time and labor intensity required for removing the dust, and the above technical problems are solved.

[0006] In order to achieve the above object, the application provides the following technical scheme: A filter type air inlet device for air cooler, comprising a first air inlet pipe provided with a first butt joint ring and a second butt joint ring at two ends, and a rotating filter mechanism, wherein the rotating filter mechanism is internally provided with a second air inlet pipe for gas suction, a double-shaft motor fixedly installed above the second air inlet pipe, a dust filter cylinder capable of filtering gas and installed at the gas inlet end of the second air inlet pipe through a bearing, a third belt pulley capable of rotating the dust filter cylinder with the rotor of the double-shaft motor, and a fan blade located inside the second air inlet pipe and capable of rotating with the dust filter cylinder and generating outward flowing gas.

[0007] Preferably, the rotating filter mechanism comprises a fixed base, one end surface of the second air inlet pipe is provided with a third butt joint ring in an integral structure, a double-shaft motor is fixedly installed above the second air inlet pipe through the fixed base, the two rotors of the double-shaft motor are respectively fixedly installed with a first belt pulley and a second belt pulley, a rotatable dust filter cylinder is installed inside the gas inlet port of the second air inlet pipe through a bearing, the dust filter cylinder is fixedly installed with a third belt pulley at one end, the third belt pulley and the first belt pulley are linked through a belt, the other end of the dust filter cylinder is provided with a central rotating shaft in an integral structure and extending to the center of the second air inlet pipe, and a plurality of fan blades are fixedly installed on the shaft body of the central rotating shaft.

[0008] Preferably, the dust filter cylinder has a cylindrical structure, and the filter holes for filtering gas are arranged at the circumferential wall thickness of the dust filter cylinder.

[0009] Preferably, the shaft center line of the double-shaft motor is parallel to the shaft center line of the second air inlet pipe and the shaft center line of the dust filter cylinder.

[0010] Preferably, when the fan blades rotate with the third belt pulley, the fan blades form a gas flowing direction towards the outside of the dust filter cylinder.

[0011] Preferably, the rotating filter mechanism further comprises a rotating connection mechanism, wherein the rotating connection mechanism is internally provided with a third air inlet pipe rotatably installed between the second butt joint ring and the third butt joint ring, and a ventilation gap arranged at the circumferential wall thickness of the third air inlet pipe and capable of achieving a gas flowing effect.

[0012] Preferably, the rotating connecting mechanism comprises a fourth docking ring and a fifth docking ring, two open ends of the third air inlet pipe are respectively provided with the rotatable fourth docking ring and fifth docking ring through bearings and sealing rings, the fourth docking ring and the fifth docking ring are fixedly connected with the second docking ring and the third docking ring respectively, a plurality of ventilation notches communicating with the outside space and the internal cavity of the third air inlet pipe are arranged at the thick circumferential wall of the third air inlet pipe, the fourth docking ring and the fifth docking ring are respectively fixedly installed with a first hollow mounting bracket, the two first hollow mounting brackets are fixedly connected through a center fixed rod, and the pipe body of the third air inlet pipe is fixedly installed with a fourth belt pulley which is linked with the second belt pulley through a belt.

[0013] Preferably, the centrifugal ventilation mechanism comprises a fourth air inlet pipe fixedly installed at the end of the ventilation notch and internally hollow, a conical valve plate for blocking the gas in the fourth air inlet pipe, and a spiral spring for providing elastic damping effect on the conical valve plate.

[0014] Preferably, the centrifugal ventilation mechanism comprises a telescopic rod, one end of the fourth air inlet pipe is provided with a sixth docking ring in an integral structure and fixedly installed at the end of the ventilation notch, the fourth air inlet pipe is internally provided with a gas flow cavity with an open end, the gas flow cavity and the port of the ventilation notch are communicated through a conical ventilation cavity, the fourth air inlet pipe is fixedly installed with a second hollow mounting bracket at the inside of the gas flow cavity, the center of the second hollow mounting bracket is provided with a rod hole with two open ends, the rod hole is arranged with a telescopic rod capable of moving along the axial direction, the telescopic rod is fixedly installed with a conical valve plate capable of abutting against the inside of the conical ventilation cavity at one end facing the conical ventilation cavity, and the telescopic rod is externally sleeved with a spiral spring in a compressed state between the conical valve plate and the second hollow mounting bracket.

[0015] Preferably, the caliber of the port of the conical ventilation cavity facing the ventilation notch is smaller than the caliber of the port of the conical ventilation cavity facing the gas flow cavity, and the structure and shape of the conical ventilation cavity are consistent with the structure and shape of the conical valve plate, both being conical table structures.

[0016] Compared with the prior art, the air cooler filter type air inlet device has the following beneficial effects:

[0017] The gas entering the air cooler is effectively filtered through the filter cartridge, so as to ensure the purity of the gas entering the air cooler, and the device can effectively remove the adhered dust through the gas backflow and centrifugal effect when cleaning the adhered dust, thereby reducing the time and labor intensity required for removing the dust. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the present application;

[0019] Figure 2 is a perspective view of the present application;

[0020] Figure 3 is a perspective view of the rotating filtering mechanism in the present application;

[0021] Figure 4 is a perspective view of the rotating filtering mechanism in the present application;

[0022] Figure 5 is a perspective view of the rotating connecting mechanism in the present application;

[0023] Figure 6 is a perspective view of the rotating connecting mechanism in the present application;

[0024] Figure 7 is a perspective view of the centrifugal ventilating mechanism in the present application;

[0025] Figure 8 is a perspective view of the centrifugal ventilating mechanism in the present application.

[0026] Wherein: 1, a first air inlet pipe; 2, a first docking ring; 3, a second docking ring; 4, a rotating filtering mechanism; 41, a second air inlet pipe; 42, a third docking ring; 43, a fixed base; 44, a double-shaft motor; 45, a first pulley; 46, a second pulley; 47, a dust filtering cylinder; 48, a third pulley; 49, a central rotating shaft; 410, a fan blade; 5, a rotating connecting mechanism; 51, a third air inlet pipe; 52, a ventilating gap; 53, a fourth docking ring; 54, a fifth docking ring; 55, a first hollow mounting frame; 56, a central fixed rod; 57, a fourth pulley; 6, a centrifugal ventilating mechanism; 61, a fourth air inlet pipe; 62, a sixth docking ring; 63, a gas flow cavity; 64, a conical ventilating cavity; 65, a conical valve plate; 66, a second hollow mounting frame; 67, a rod body perforation; 68, an extension rod; 69, a spiral spring; 7, a belt; DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figure 1 and Figure 2The application discloses a filtering air inlet device for an air cooler, which comprises a first air inlet pipe 1 provided with a first butt joint ring 2 and a second butt joint ring 3 at two ends respectively, the first butt joint ring 2 is fixedly connected with an air inlet port of the air cooler, when the air cooler works, the gas from outside will pass through the dust filter cylinder 47, and the dust filter cylinder 47 can effectively filter the dust in the gas, so that the purity of the inlet gas is improved.

[0029] In order to realize the gas backwashing and centrifugal dust cleaning functions, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a rotating filter mechanism 4 is arranged, which is internally provided with a second air inlet pipe 41 for gas suction, a double-shaft motor 44 fixedly installed above the second air inlet pipe 41, a dust filter cylinder 47 installed at the air inlet end of the second air inlet pipe 41 through a bearing and capable of filtering the gas, a third belt pulley 48 capable of rotating the dust filter cylinder 47 with the rotor of the double-shaft motor 44, and a fan blade 410 arranged in the second air inlet pipe 41 and capable of rotating with the dust filter cylinder 47 and generating the outward flowing gas, when the adhered dust needs to be cleaned, the double-shaft motor 44 is started, at this time, the rotor of the double-shaft motor 44 drives the dust filter cylinder 47 to rotate rapidly through the belt 7, the dust adhered to the surface of the dust filter cylinder 47 generates a centrifugal force, when the centrifugal force is greater than the adhesion strength of the dust, the dust is separated from the dust filter cylinder 47, so that the centrifugal dust removal effect is realized, at the same time, the dust filter cylinder 47 drives the fan blade 410 to rotate rapidly, the fan blade 410 forms the gas backwashing effect, so that the adhered dust is subjected to the force, the adhesion strength of the dust is reduced, and the dust removal efficiency is further improved.

[0030] The rotating filter mechanism 4 is arranged, please refer to Figure 3 and Figure 4, including a fixed base 43, the second air inlet pipe 41 is provided with a third interface ring 42 of integral structure on one end face, a double-shaft motor 44 is fixedly installed above the second air inlet pipe 41 through the fixed base 43, the two rotor ends of the double-shaft motor 44 are respectively fixedly installed with a first pulley 45 and a second pulley 46, a rotatable dust filter cylinder 47 is installed inside the air inlet port of the second air inlet pipe 41 through a bearing, a third pulley 48 is fixedly installed on one end of the dust filter cylinder 47, the third pulley 48 and the first pulley 45 are linked through a belt 7, the other end of the dust filter cylinder 47 is provided with a central rotating shaft 49 of integral structure extending to the center of the second air inlet pipe 41, a plurality of fan blades 410 are fixedly installed on the shaft body of the central rotating shaft 49, the dust filter cylinder 47 has a cylindrical structure, and the filter holes for filtering gas are arranged on the circumferential wall thickness of the filter cylinder 47, the axis of the double-shaft motor 44 is parallel to the axis of the second air inlet pipe 41 and the axis of the dust filter cylinder 47, when the third pulley 48 rotates, the fan blades 410 form a gas flow direction towards the outside of the dust filter cylinder 47.

[0031] In order to realize the rotating function required for air intake, please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , a rotating connection mechanism 5 is needed, which is internally provided with a third air inlet pipe 51 rotatably installed between the second interface ring 3 and the third interface ring 42, and a ventilation gap 52 arranged on the circumferential wall thickness of the third air inlet pipe 51 and capable of realizing the gas flow effect, another belt 7 will drive the third air inlet pipe 51 to rotate quickly, so that the third air inlet pipe 51 drives a plurality of centrifugal ventilation mechanisms 6 to rotate around the axis, so that the centrifugal ventilation mechanisms 6 produce centrifugal effect, thereby realizing the rotating function required for air intake.

[0032] For the specific structure of the rotating connection mechanism 5, please refer to Figure 5 and Figure 6, including the fourth adapter ring 53 and the fifth adapter ring 54, the two open ends of the third air inlet pipe 51 are respectively provided with the rotatable fourth adapter ring 53 and the fifth adapter ring 54 through bearings and sealing rings, the fourth adapter ring 53 and the fifth adapter ring 54 are respectively fixedly connected with the second adapter ring 3 and the third adapter ring 42, a plurality of ventilation gaps 52 are arranged on the circumferential wall of the third air inlet pipe 51, the ventilation gaps 52 are in communication with the space outside and the cavity inside, the fourth adapter ring 53 and the fifth adapter ring 54 are respectively fixedly provided with a first hollow mounting bracket 55, the two first hollow mounting brackets 55 are fixedly connected through a center fixed rod 56, and the pipe body of the third air inlet pipe 51 is fixedly provided with a fourth belt pulley 57 which is connected with the second belt pulley 46 through the belt 7.

[0033] In order to provide the gas inlet effect during the gas backwashing of the fan blade 410, please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 8 , a plurality of centrifugal ventilation mechanisms 6 are arranged, the centrifugal ventilation mechanisms 6 are internally provided with the fourth air inlet pipe 61 which is fixedly arranged at the end of the ventilation gap 52 and is hollow inside, the conical valve plate 65 which blocks the gas inside the fourth air inlet pipe 61, and the spiral spring 69 which provides the elastic damping effect on the conical valve plate 65, in the normal gas flow state, the conical valve plate 65 is blocked inside the conical ventilation cavity 64 to prevent the gas leakage, when the fan blade 410 forms the gas backwashing, the air pressure in the third air inlet pipe 51 is reduced, and the gas is reduced, at this time, under the action of the centrifugal force, the fourth air inlet pipe 61 drives each conical valve plate 65 to rotate, and the conical valve plate 65 generates the centrifugal phenomenon, when the centrifugal force of the conical valve plate 65 is greater than the elastic strength of the spiral spring 69, the conical valve plate 65 moves away from the conical ventilation cavity 64, and the external gas is sucked into the third air inlet pipe 51 through the movement gap, and flows to the area where the fan blade 410 is located, thereby providing the gas inlet effect during the gas backwashing of the fan blade 410.

[0034] For the specific structure of the centrifugal ventilation mechanism 6, please refer to Figure 7 and Figure 8, including telescopic rod 68, the four air intake pipe 61 one end is provided with an integral structure and fixedly installed in the air gap 52 end six number butt joint ring 62, the four air intake pipe 61 is provided with a open end gas flow cavity 63, the gas flow cavity 63 and air gap 52 port between the tapered vent cavity 64 communication, the four air intake pipe 61 in the gas flow cavity 63 inside fixedly installed a two hollow mounting bracket 66, the two hollow mounting bracket 66 is provided with two open end rod body perforated 67, the rod body perforated 67 in place an axial movement of telescopic rod 68, the telescopic rod 68 in the tapered vent cavity 64 one end fixedly installed can be in contact with the tapered vent cavity 64 inside the tapered valve plate 65, the telescopic rod 68 in the tapered valve plate 65 and two hollow mounting bracket 66 between the rod body outside of the compressed state of the spiral spring 69, the tapered vent cavity 64 in the air gap 52 port facing the caliber is less than the tapered vent cavity 64 in the gas flow cavity 63 port facing the caliber, and the tapered vent cavity 64 structure and the tapered valve plate 65 structure consistent with the tapered valve plate 65 structure, all are tapered table structure.

[0035] In use, the one butt joint ring 2 and air cooler with air inlet port fixed butt joint, air cooler work, the gas will pass through the dust filter cylinder 47, and the dust filter cylinder 47 can effectively filter the dust in the gas, when the need to clean the dust attached, start double shaft motor 44, at this time, the rotor of double shaft motor 44 will drive the dust filter cylinder 47 fast rotating, the dust attached to the surface of the dust filter cylinder 47 will produce centrifugal force, when the centrifugal force is greater than the adhesion strength of dust, will make the dust separate from the dust filter cylinder 47, to realize the centrifugal dust removal effect, at the same time, the dust filter cylinder 47 will drive the fan blade 410 fast rotating, the fan blade 410 will form the gas back blowing effect, when the fan blade 410 forms the gas back blowing, the gas pressure in the three air intake pipe 51 will be reduced, the gas is reduced, at this time, under the action of centrifugal force, the four air intake pipe 61 will drive each tapered valve plate 65 rotating phenomenon, at the same time, the tapered valve plate 65 will produce centrifugal phenomenon, when the centrifugal force of the tapered valve plate 65 is greater than the elastic strength of the spiral spring 69, the tapered valve plate 65 will away from the tapered vent cavity 64, the external gas will be sucked into the three air intake pipe 51 through the movement gap, and flow to the fan blade 410 area, so as to produce the force on the attached dust, to reduce the adhesion strength of dust, further accelerate the dust removal efficiency.

[0036] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A filter-type air intake device for an air cooler, comprising an air intake pipe (1) with a first docking ring (2) and a second docking ring (3) respectively at both ends, characterized in that: It also includes, The rotary filter mechanism (4) is provided with a second air intake pipe (41) for gas intake, a dual-shaft motor (44) fixedly installed above the second air intake pipe (41), a dust filter cartridge (47) installed at the air inlet end of the second air intake pipe (41) by bearings and capable of filtering gas, a third pulley (48) that enables the dust filter cartridge (47) to rotate with the rotor of the dual-shaft motor (44), and a fan blade (410) located inside the second air intake pipe (41) that can rotate with the dust filter cartridge (47) and generate outward flowing gas.

2. The air-cooled air intake device for a filter according to claim 1, characterized in that: The rotary filter mechanism (4) includes a fixed base (43). One end face of the second air intake pipe (41) is provided with a third docking ring (42) integrally formed with it. A dual-axis motor (44) is fixedly installed above the second air intake pipe (41) via the fixed base (43). The two rotor ends of the dual-axis motor (44) are respectively fixedly installed with a first pulley (45) and a second pulley (46). The air intake port of the second air intake pipe (41) is inside... A rotatable dust filter cartridge (47) is mounted on a bearing. A third pulley (48) is fixedly mounted on one end of the dust filter cartridge (47). The third pulley (48) and the first pulley (45) are linked by a belt (7). A central rotating shaft (49) is provided at the other end of the dust filter cartridge (47) and extends to the center of the second air intake pipe (41). Multiple fan blades (410) are fixedly mounted on the shaft of the central rotating shaft (49).

3. The air-cooled air intake device for an air cooler according to claim 2, characterized in that: The dust filter cartridge (47) has a cylindrical structure, and the filter holes for filtering gas are located at the thickest part of the circumferential wall of the filter cartridge (47).

4. The air-cooled air intake device for an air cooler according to claim 3, characterized in that: The axis of the dual-axis motor (44) is parallel to the axis of the second air intake pipe (41) and the axis of the dust filter cartridge (47).

5. A filter-type air intake device for an air cooler according to claim 4, characterized in that: When the fan blade (410) rotates with the third pulley (48), it forms a gas flow direction toward the outside of the dust filter cartridge (47).

6. A filter-type air intake device for an air cooler according to any one of claims 1-5, characterized in that: It also includes a rotating connection mechanism (5), which has a No. 3 air intake pipe (51) installed between the No. 2 docking ring (3) and the No. 3 docking ring (42) and an air vent (52) located at the circumferential wall thickness of the No. 3 air intake pipe (51) and capable of achieving gas flow effect.

7. A filter-type air intake device for an air cooler according to claim 6, characterized in that: The rotating connection mechanism (5) includes a fourth docking ring (53) and a fifth docking ring (54). The two open ends of the third air intake pipe (51) are respectively equipped with a rotatable fourth docking ring (53) and a fifth docking ring (54) through bearings and sealing rings. The fourth docking ring (53) and the fifth docking ring (54) are respectively fixedly connected to the second docking ring (3) and the third docking ring (42). The circumferential wall thickness of the third air intake pipe (51) is provided with multiple ventilation gaps (52) that connect the external space and its internal cavity. The fourth docking ring (53) and the fifth docking ring (54) are respectively fixedly installed with a first hollow mounting bracket (55). The two first hollow mounting brackets (55) are fixedly connected to each other through a central fixing rod (56). The third air intake pipe (51) is fixedly installed with a fourth pulley (57) that is linked to the second pulley (46) through a belt (7).

8. A filter-type air intake device for an air cooler according to claim 7, characterized in that: It also includes multiple centrifugal ventilation mechanisms (6), which are equipped with a fourth air intake pipe (61) fixedly installed at the end of the ventilation opening (52) and hollow inside, a conical valve plate (65) that produces a gas blocking effect on the inside of the fourth air intake pipe (61), and a helical spring (69) that produces an elastic damping effect on the conical valve plate (65).

9. A filter-type air intake device for an air cooler according to claim 8, characterized in that: The centrifugal ventilation mechanism (6) includes a telescopic rod (68). One end of the fourth air intake pipe (61) is provided with a sixth docking ring (62) integrally formed with it and fixedly installed at the end of the ventilation gap (52). The interior of the fourth air intake pipe (61) is provided with a gas flow chamber (63) with one end open. The gas flow chamber (63) and the port of the ventilation gap (52) are connected by a conical ventilation chamber (64). The fourth air intake pipe (61) has a second hollow mounting device fixedly installed inside the gas flow chamber (63). The frame (66) has a rod through hole (67) with both ends open at the center. A telescopic rod (68) that can move along its axial direction is placed in the rod through hole (67). A conical valve plate (65) that can abut against the inside of the conical ventilation cavity (64) is fixedly installed on the end of the telescopic rod (68) facing the conical ventilation cavity (64). A coil spring (69) in a compressed state is sleeved on the outside of the telescopic rod (68) located between the conical valve plate (65) and the second hollow mounting frame (66).

10. A filter-type air intake device for an air cooler according to claim 9, characterized in that: The diameter of the conical ventilation cavity (64) facing the ventilation gap (52) is smaller than the diameter of the conical ventilation cavity (64) facing the gas flow cavity (63), and the structural shape of the conical ventilation cavity (64) is consistent with the structural shape of the conical valve plate (65), both being conical truncated structures.

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