Inlet air filtering device and roof air conditioner thereof

Abstract

The utility model relates to the technical field of air conditioners, and discloses an inlet air filtering device and a roof air conditioner thereof, the inlet air filtering device comprises two groups of first air inlet cylinders, a first filtering assembly is arranged in each first air inlet cylinder, and a second filtering assembly is arranged in each first air inlet cylinder; the first filtering assembly comprises a first annular cover plate arranged at the top of the first air inlet barrel, a first filtering structure is arranged in the first annular cover plate, the second filtering assembly comprises a second air inlet barrel arranged in the first air inlet barrel, and a second filtering structure is arranged in the second air inlet barrel; the first filter assembly further comprises an activated carbon filter screen plate arranged in the second air inlet barrel, and the first filter structure comprises a first filter grating fixedly mounted in a first annular cover plate, so that the purpose of clamping and fixing the device is achieved, the air inlet is shielded for dust prevention, entering air is filtered, and the service life of the device is prolonged. A user can conveniently mount and dismount the device, subsequent cleaning is facilitated, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air conditioning, and in particular relates to an air inlet filtering device and a rooftop air conditioner thereof. Background Art

[0002] The utility model with the announcement number CN216868691U discloses an ultra-low temperature cooling and heating roof air conditioner, including a shell and an air conditioning unit installed in the shell, the right side wall of the shell is fixedly connected with an exhaust port, and the edge of the front side of the shell is provided with a heat dissipation port opening upward, and the air conditioning unit includes a compressor, a four-way valve, a liquid reservoir, a drying filter, a jet enthalpy plate exchanger, an electronic expansion valve I, an electronic expansion valve II, a finned heat exchanger I, and a finned heat exchanger II, and the compressor, the four-way valve, the finned heat exchanger I, the liquid reservoir, the drying filter, the electronic expansion valve I and the finned heat exchanger II are sequentially connected to form a main circuit through a pipeline, and the electronic expansion valve II, the jet enthalpy plate exchanger and the compressor are connected to form a branch circuit through a pipeline. The utility model is convenient for replenishing air to the compressor by adding a jet enthalpy plate exchanger, thereby increasing the heat release of the condenser, facilitating the air conditioning unit to continue to work in a low temperature environment, and obtaining higher energy efficiency.

[0003] However, the above patent still has the following problems: during the use of the rooftop air conditioner, the air conditioner needs to input external air into the device for cooling circulation to change the indoor temperature environment. When the device takes in air, it needs to filter the gas to sieve and purify the dust and harmful substances in the air. When the outdoor air conditioner circulates the gas, the dust in the gas often adheres to the air inlet, affecting the subsequent use of the device. Now the air inlet is improved and an air inlet filter device is designed.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] An air intake filter device includes two groups of first air intake cylinders, a first filter assembly is arranged inside the first air intake cylinder, a second filter assembly is arranged inside the first air intake cylinder, the first filter assembly includes a first annular cover plate arranged on the top of the first air intake cylinder, a first filter structure is arranged inside the first annular cover plate, the second filter assembly includes a second air intake cylinder arranged inside the first air intake cylinder, a second filter structure is arranged inside the second air intake cylinder, and the first filter assembly also includes an activated carbon filter screen arranged inside the second air intake cylinder.

[0007] As a preferred embodiment of the utility model, the first filtering structure includes a first filtering grille fixedly installed inside a first annular cover plate, four groups of first fixing plates are fixedly installed on the outer wall of the first annular cover plate, a first limiting hole is opened inside the first fixing plate, four groups of first fixing sleeves are fixedly installed on the outer wall of the first air inlet tube, a first limiting thread groove is opened inside the first fixing sleeve, and a first limiting bolt is spirally installed inside the first limiting thread groove.

[0008] As a preferred embodiment of the utility model, the first filter assembly also includes a first clamping ring plate fixedly installed on the bottom of the first annular cover plate, a first clamping ring groove is opened on the top of the first air inlet tube, the first clamping ring plate is clamped and installed inside the first clamping ring groove, and the first limiting bolt is spirally installed inside the first limiting hole.

[0009] As a preferred embodiment of the utility model, the second filtering structure includes four groups of second fixing plates fixedly installed on the top of the second air inlet cylinder, a second limiting hole is opened inside the second fixing plate, a second limiting bolt is spirally installed inside the second limiting hole, a first limiting ring plate is fixedly installed on the top of the second air inlet cylinder, a second clamping ring groove is opened inside the first limiting ring plate, a second annular cover plate is arranged on the top of the second air inlet cylinder, and the second annular cover plate is clamped and installed inside the second clamping ring groove.

[0010] As a preferred embodiment of the utility model, the second filter assembly also includes a second filter grille fixedly installed inside the second annular cover plate, four groups of positioning columns are fixedly installed on the top of the second annular cover plate, four groups of threaded holes are opened on the inner wall of the first air inlet cylinder, and the second limit bolt is screwed into the threaded hole on the inner wall of the first air inlet cylinder.

[0011] As a preferred embodiment of the utility model, a first fixed circular plate is provided inside the first air inlet cylinder, two groups of first support plates are fixedly installed on the outer wall of the first fixed circular plate, one side outer wall of the first support plate is fixedly connected to the inner wall of the first air inlet cylinder, a first servo motor is fixedly installed on the bottom of the first fixed circular plate, a first rotating shaft is rotatably installed on the top of the first fixed circular plate, a one-way fan is fixedly installed on the outer wall of the first rotating shaft, the one-way fan is located below the activated carbon filter screen plate, and a second limiting ring plate is fixedly installed on the inner bottom of the first air inlet cylinder.

[0012] A rooftop air conditioner comprises an air inlet filter device as described in any one of the above items and an air conditioner body, a heat dissipation port is fixedly installed on one side outer wall of the air conditioner body, a protective grille is fixedly installed on the other side outer wall of the air conditioner body, and two groups of first air inlet ducts are arranged inside the air conditioner body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. To achieve the purpose of clamping and fixing the device, shield the air inlet from dust, filter the incoming gas, facilitate the user to install and disassemble the device, facilitate subsequent cleaning, and improve the convenience of using the device.

[0015] 2. To achieve the purpose of secondary filtration of the gas, improve the filtering effect of the gas, remove dust and impurities in the gas, facilitate the cooling cycle of the air conditioner, improve the convenience of using the device, facilitate users to disassemble and install the device, and reduce the difficulty of device maintenance.

[0016] 3. Achieve the purpose of gas input circulation, improve gas circulation efficiency, improve the fixing effect inside the device, extend the service life of the device, and improve the durability of the device.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

[0019] Figure 1 This is a schematic diagram of the structure of the air conditioner body of the utility model;

[0020] Figure 2 This is a disassembled diagram of the first air inlet duct of the utility model;

[0021] Figure 3 This is a schematic diagram of the first annular cover structure of the utility model;

[0022] Figure 4 This is a top view of the first clamping ring groove of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the second air inlet duct and the second annular cover plate of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the activated carbon filter screen plate of the utility model;

[0025] Figure 7 This is a cross-sectional view of the first air inlet tube of the utility model;

[0026] Figure 8 This is a schematic diagram of the first fixed circular plate structure of the utility model.

[0027] In the figure: 10, first air inlet duct; 11, first fixed sleeve; 12, first limiting thread groove; 13, first limiting bolt; 14, first annular cover plate; 15, first fixed plate; 16, first limiting hole; 17, first filter grille; 18, first clamping ring plate; 19, first clamping ring groove; 20, second fixed plate; 21, second limiting bolt; 22, second air inlet duct; 23, activated carbon filter screen plate; 24, second limiting hole; 25, first limiting ring plate; 26, second clamping ring groove; 27, second annular cover plate; 28, positioning column; 29, second filter grille; 30, first fixed circular plate; 31, first support plate; 32, first servo motor; 33, first rotating shaft; 34, one-way fan; 35, second limiting ring plate; 36, air conditioner body; 37, heat dissipation port; 38, protective grille. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0029] Embodiment 1: An air inlet filter device and a rooftop air conditioner thereof, specifically Figure 1 , Figure 2 and Figure 4 As shown, it includes two groups of first air inlet cylinders 10, wherein the first air inlet cylinder 10 is provided with a first filter assembly inside, and the first air inlet cylinder 10 is provided with a second filter assembly inside. The first filter assembly includes a first annular cover plate 14 provided at the top of the first air inlet cylinder 10, and the first annular cover plate 14 is provided with a first filter structure inside. The second filter assembly includes a second air inlet cylinder 22 provided inside the first air inlet cylinder 10, and the second air inlet cylinder 22 is provided with a second filter structure inside. The first filter assembly also includes an activated carbon filter screen 23 provided inside the second air inlet cylinder 22. The gas is filtered and purified by the first filter assembly and the second filter assembly.

[0030] Specific as Figure 1 , Figure 2 and Figure 3 As shown, the first filtering structure includes a first filtering grille 17 fixedly mounted inside the first annular cover plate 14, four groups of first fixing plates 15 are fixedly mounted on the outer wall of the first annular cover plate 14, the first fixing plates 15 are provided with first limiting holes 16 inside, and four groups of first fixing sleeves 11 are fixedly mounted on the outer wall of the first air inlet cylinder 10, the first fixing sleeves 11 are provided with first limiting thread grooves 12 inside, and first limiting bolts 13 are screwed inside the first limiting thread grooves 12. The outer wall of one side of the first fixing plate 15 is tightly attached to the outer wall of one side of the first fixing sleeve 11, and the gas is purified through the activated carbon filter screen 23.

[0031] Specific as Figure 1 , Figure 2 and Figure 3 As shown, the first filter assembly also includes a first snap ring plate 18 fixedly mounted on the bottom of the first annular cover plate 14, a first snap ring groove 19 is provided on the top of the first air inlet cylinder 10, the first snap ring plate 18 is snap-fitted and mounted inside the first snap ring groove 19, and the first limiting bolt 13 is screw-fitted inside the first limiting hole 16. The first snap ring plate 18 is snap-fitted and mounted inside the first snap ring groove 19, the first limiting bolt 13 is rotated, and the first limiting bolt 13 is screw-fitted inside the first limiting hole 16 and the first limiting thread groove 12 in sequence, the first annular cover plate 14 is fixedly mounted on the top of the first air inlet cylinder 10, and the dust in the gas is blocked by the first filter grille 17.

[0032] According to the above conclusions, through the structure of the first fixed sleeve 11, the first limiting thread groove 12, the first limiting bolt 13, the first annular cover plate 14, the first fixed plate 15, the first limiting hole 16, the first filter grille 17, the first clamping ring plate 18, the first clamping ring groove 19 and the activated carbon filter mesh plate 23, the purpose of clamping and fixing the device is achieved, the air inlet is shielded from dust, the incoming gas is filtered, the user is convenient for installation and disassembly of the device, and subsequent cleaning is convenient, thereby improving the convenience of using the device.

[0033] Embodiment 2: Based on Embodiment 1, the specific Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, the second filtering structure includes four groups of second fixing plates 20 fixedly mounted on the top of the second air inlet cylinder 22, the second fixing plates 20 are provided with second limiting holes 24, the second limiting holes 24 are spirally installed with second limiting bolts 21, the top of the second air inlet cylinder 22 is fixedly mounted with a first limiting ring plate 25, the first limiting ring plate 25 is provided with a second snap ring groove 26, the top of the second air inlet cylinder 22 is provided with a second annular cover plate 27, and the second annular cover plate 27 is snap-fitted and mounted inside the second snap ring groove 26. The second annular cover plate 27 is snap-fitted and mounted inside the second snap ring groove 26.

[0034] Specific as Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, the second filter assembly also includes a second filter grille 29 fixedly mounted inside the second annular cover plate 27, four groups of positioning columns 28 are fixedly mounted on the top of the second annular cover plate 27, four groups of threaded holes are opened on the inner wall of the first air inlet cylinder 10, and the second limiting bolt 21 is screwed into the threaded hole on the inner wall of the first air inlet cylinder 10. The second limiting bolt 21 is rotated, and the second limiting bolt 21 is screwed into the second limiting hole 24 and the threaded hole on the inner wall of the first air inlet cylinder 10, and the second air inlet cylinder 22 is fixedly mounted on the inner wall of the first air inlet cylinder 10, and the second annular cover plate 27 is placed inside the first limiting ring plate 25, and the gas is secondary filtered through the second filter grille 29, and the second annular cover plate 27 is taken through the positioning column 28.

[0035] According to the above conclusions, through the structure of the second fixing plate 20, the second limiting bolt 21, the second air inlet pipe 22, the second limiting hole 24, the first limiting ring plate 25, the second clamping ring groove 26, the second annular cover plate 27, the positioning column 28 and the second filter grille 29, the purpose of secondary filtration of the gas is achieved, the filtering effect of the gas is improved, dust and impurities in the gas are removed, the air conditioner is convenient for cooling cycle, the convenience of using the device is improved, the user is convenient to disassemble and install the device, and the difficulty of maintenance of the device is reduced.

[0036] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 , Figure 7 and Figure 8 As shown, a first fixed circular plate 30 is arranged inside the first air inlet cylinder 10, two groups of first support plates 31 are fixedly installed on the outer wall of the first fixed circular plate 30, one side outer wall of the first support plate 31 is fixedly connected to the inner wall of the first air inlet cylinder 10, a first servo motor 32 is fixedly installed at the bottom of the first fixed circular plate 30, a first rotating shaft 33 is rotatably installed on the top of the first fixed circular plate 30, a one-way fan 34 is fixedly installed on the outer wall of the first rotating shaft 33, the one-way fan 34 is located below the activated carbon filter screen plate 23, and a second limiting ring plate 35 is fixedly installed at the inner bottom of the first air inlet cylinder 10. The first servo motor 32 is started to drive the first rotating shaft 33 and the one-way fan 34 to rotate, and the external air is input into the interior of the air conditioner body 36.

[0037] Specific as Figure 1 As shown, a rooftop air conditioner comprises the air inlet filter device described in any one of the above items and an air conditioner body 36, a heat dissipation port 37 is fixedly mounted on one side of the outer wall of the air conditioner body 36, a protective grille 38 is fixedly mounted on the other side of the outer wall of the air conditioner body 36, and two sets of first air inlet cylinders 10 are arranged inside the air conditioner body 36. The heat dissipation port 37 is used to dissipate heat from the device, and the protective grille 38 is used to protect the air conditioner body 36.

[0038] To sum up, the structure of the first fixed circular plate 30, the first support plate 31, the first servo motor 32, the first rotating shaft 33, the one-way fan 34, the second limiting ring plate 35, the air conditioner body 36, the heat dissipation port 37 and the protective grille 38 can achieve the purpose of inputting and circulating the gas, improve the gas circulation efficiency, improve the fixing effect inside the device, extend the service life of the device, and improve the durability of the device.

[0039] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An air inlet filter device, comprising two sets of first air inlet cylinders (10), characterized in that: A first filter assembly is arranged inside the first air inlet cylinder (10), a second filter assembly is arranged inside the first air inlet cylinder (10), the first filter assembly comprises a first annular cover plate (14) arranged at the top of the first air inlet cylinder (10), a first filter structure is arranged inside the first annular cover plate (14), the second filter assembly comprises a second air inlet cylinder (22) arranged inside the first air inlet cylinder (10), a second filter structure is arranged inside the second air inlet cylinder (22), and the first filter assembly further comprises an activated carbon filter screen (23) arranged inside the second air inlet cylinder (22).

2. The air inlet filter device according to claim 1, characterized in that: The first filtering structure comprises a first filtering grille (17) fixedly mounted inside a first annular cover plate (14); four groups of first fixing plates (15) are fixedly mounted on the outer wall of the first annular cover plate (14); first limiting holes (16) are provided inside the first fixing plates (15); four groups of first fixing sleeves (11) are fixedly mounted on the outer wall of the first air inlet cylinder (10); first limiting thread grooves (12) are provided inside the first fixing sleeves (11); and first limiting bolts (13) are screwedly mounted inside the first limiting thread grooves (12).

3. The air inlet filter device according to claim 1, characterized in that: The first filter assembly also includes a first snap ring plate (18) fixedly mounted on the bottom of the first annular cover plate (14); a first snap ring groove (19) is provided on the top of the first air inlet cylinder (10); the first snap ring plate (18) is snap-mounted inside the first snap ring groove (19); and the first limiting bolt (13) is screwed inside the first limiting hole (16).

4. The air inlet filter device according to claim 1, characterized in that: The second filtering structure comprises four groups of second fixing plates (20) fixedly mounted on the top of the second air inlet cylinder (22); a second limiting hole (24) is provided inside the second fixing plates (20); a second limiting bolt (21) is screwedly mounted inside the second limiting hole (24); a first limiting ring plate (25) is fixedly mounted on the top of the second air inlet cylinder (22); a second clamping ring groove (26) is provided inside the first limiting ring plate (25); a second annular cover plate (27) is provided on the top of the second air inlet cylinder (22); and the second annular cover plate (27) is clamped and mounted inside the second clamping ring groove (26).

5. The air inlet filter device according to claim 4, characterized in that: The second filter assembly also includes a second filter grille (29) fixedly mounted inside the second annular cover plate (27); four groups of positioning columns (28) are fixedly mounted on the top of the second annular cover plate (27); four groups of threaded holes are opened on the inner wall of the first air inlet cylinder (10); and the second limit bolts (21) are screwed into the threaded holes on the inner wall of the first air inlet cylinder (10).

6. The air inlet filter device according to claim 1, characterized in that: A first fixed circular plate (30) is arranged inside the first air inlet cylinder (10), two groups of first support plates (31) are fixedly mounted on the outer wall of the first fixed circular plate (30), one side outer wall of the first support plate (31) is fixedly connected to the inner wall of the first air inlet cylinder (10), a first servo motor (32) is fixedly mounted on the bottom of the first fixed circular plate (30), a first rotating shaft (33) is rotatably mounted on the top of the first fixed circular plate (30), a one-way fan (34) is fixedly mounted on the outer wall of the first rotating shaft (33), the one-way fan (34) is located below the activated carbon filter screen plate (23), and a second limiting ring plate (35) is fixedly mounted on the inner bottom of the first air inlet cylinder (10).

7. A rooftop air conditioner, characterized in that: It comprises an air inlet filter device as described in any one of 1 to 6 and an air conditioner body (36); a heat dissipation port (37) is fixedly mounted on an outer wall on one side of the air conditioner body (36); a protective grille (38) is fixedly mounted on an outer wall on the other side of the air conditioner body (36); and two sets of first air inlet ducts (10) are arranged inside the air conditioner body (36).

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