Air purification device for return air inlet of ship air conditioner

Abstract

The invention provides an air purification device for a return air inlet of a ship air conditioner, and belongs to the technical field of ship air conditioners, the air purification device comprises a return air pipeline, a filter assembly is installed in the return air pipeline, the filter assembly comprises a movable frame and a filter screen, the movable frame is provided with a springback assembly, and the springback assembly comprises a guide rod and a first spring; sliding blocks are arranged on the two sides of the movable frame, the guide rods penetrate through the sliding blocks, and a dust discharging opening is formed in the portion, in the bottom area of the movable frame, of the air return pipeline; a scraping and sweeping mechanism is further installed in the air return pipeline and comprises a ball screw, a nut base, a motor and a scraping and sweeping frame, during cleaning, the scraping and sweeping frame can make the movable frame move, the dust discharging opening is exposed, dust enters the dust collecting assembly, after cleaning is completed, the movable frame is reset, and the situation that the dust flows back into the air return pipeline due to airflow is prevented; the cleaning effect of the air return pipeline is guaranteed, the ventilation capacity of equipment is guaranteed, and the air purification effect is improved.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of ship air conditioning, and in particular to an air purification device for a return air outlet of a ship air conditioning. Background Art

[0002] The ship is a relatively closed environment, and the ship's air conditioning system plays an important role in providing comfortable indoor air quality. However, due to long-term closed use and restrictions on the external environment, the return air vents in the ship's air conditioning system are prone to accumulate pollutants such as dust, bacteria, and viruses, which may pose a threat to the health of passengers and crew members.

[0003] In order to ensure the operation effect of the ship's air-conditioning system and the indoor air quality, a filter is installed in the return air duct of the air conditioner to filter out dust and impurities and improve the quality of the air-conditioned air. However, after long-term use, dust and foreign matter are easy to stick to the inner wall of the return air duct of the air conditioner. When the subsequent air enters the return air duct of the air conditioner, it is easy to be contaminated by the dust and impurities on the inner wall, which will affect the ventilation volume of the equipment and the air purification effect. Summary of the invention

[0004] The present invention mainly provides an air purification device for a return air outlet of a ship air conditioner to solve the technical problems raised in the above-mentioned background technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] An air purification device for a return air outlet of a ship air conditioner comprises a return air duct, wherein a strip pipe penetrating the return air duct is arranged at the top center of the return air duct;

[0007] A filter assembly is installed inside the return air duct, the filter assembly includes a movable frame located inside the return air duct and a filter installed inside the movable frame, sliding grooves are provided on the inner walls of the return air duct on both sides of the movable frame, a rebound assembly is installed in the sliding groove, the rebound assembly includes a guide rod located in the sliding groove and a first spring sleeved on the guide rod, sliders adapted to the sliding grooves are provided on both sides of the movable frame, the guide rod passes through the slider, and a dust outlet is provided on the return air duct in the bottom area of ​​the movable frame;

[0008] A scraping mechanism is also installed in the return air duct, and the scraping mechanism includes a ball screw rotatably connected to the strip tube, a nut seat slidably installed on the ball screw, a motor connected to the ball screw, and a scraping frame connected to the nut seat and located in the return air duct.

[0009] Furthermore, in the present invention, the width of the movable frame is greater than the width of the dust exhaust port, and the length of the sliding groove is twice the width of the movable frame.

[0010] Furthermore, in the present invention, when the movable frame is located at the top of the dust exhaust port, the sliding block is located at one end of the sliding slot close to the air inlet.

[0011] Furthermore, in the present invention, a dust collecting assembly is installed at the bottom of the dust exhaust port, and the dust collecting assembly includes a collection box, a dust inlet is arranged at the top center of the collection box, and a handle is installed at one side of the collection box.

[0012] Furthermore, in the present invention, symmetrical L-shaped slide bars are provided on both sides of the bottom of the dust discharge port, and two L-shaped slide grooves matched with the L-shaped slide bars are provided on the top of the collection box.

[0013] Furthermore, in the present invention, an opening is provided at the rear side of the bottom of the collection box, and a dust removal cover is inserted into the rear opening of the collection box.

[0014] Furthermore, in the present invention, receiving grooves are provided on both sides of the filter screen, a toggle groove communicating with the receiving groove is provided on the front side of the filter screen, a second spring and a paddle are installed in the receiving groove, one end of the paddle passes through the toggle groove, a convex button is installed on the outer end of the paddle, and slot holes matching with the convex button are provided on both sides of the movable frame.

[0015] Furthermore, in the present invention, a limit frame is provided inside the movable frame.

[0016] Furthermore, in the present invention, a circle of cleaning brushes and a circle of rubber scrapers are arranged around the scraping frame, and both the cleaning brushes and the rubber scrapers are in contact with the inner wall of the return air duct.

[0017] Furthermore, in the present invention, an assembly block is installed at the top center of the scraping frame, a notch adapted to the assembly block is provided at the bottom of the nut seat, and the assembly block is connected to the nut seat by fixing bolts.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention can block the dust in the air in the return air duct through the filter screen, and through the movement of the scraping frame of the scraping mechanism, the dust and impurities on the inner wall of the return air duct are scraped and swept through the cooperation of the cleaning brush and the rubber scraper, so that the sticky dust is scraped off, and the movable frame outside the filter screen can block the dust exhaust port. When cleaning, the scraping frame will displace the movable frame to expose the dust exhaust port, so that dust enters the dust collecting component. After cleaning, the movable frame is reset to prevent the airflow from causing the dust to flow back into the return air duct, thereby ensuring the cleaning effect of the return air duct, ensuring the ventilation volume of the equipment, and improving the air purification effect.

[0020] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic cross-sectional view of the overall structure (dust removal and collection component) of the present invention;

[0023] Figure 3 It is a schematic diagram of the regional structure of the return air duct of the present invention;

[0024] Figure 4 This is a structural breakdown diagram of the filter assembly of the present invention;

[0025] Figure 5 for Figure 3 A magnified image of area A;

[0026] Figure 6 It is a schematic diagram of the structure of the movable frame area of ​​the present invention;

[0027] Figure 7 This is a structural breakdown diagram of the dust collection component of the present invention.

[0028] In the figure: 10, return air duct; 11, dust outlet; 12, sliding groove; 13, L-shaped slide; 20, strip tube; 30, filter assembly; 31, movable frame; 32, filter screen; 321, receiving groove; 322, toggle groove; 33, slider; 34, limit frame; 35, convex button; 36, paddle; 37, second spring; 40, scraping mechanism; 41, motor; 42, ball screw; 43, nut seat; 44, scraping frame; 45, cleaning brush; 46, rubber scraper; 47, assembly block; 48, fixing bolt; 50, dust collection assembly; 51, collection box; 511, dust inlet; 512, L-shaped slide; 52, dust removal cover; 53, handle; 60, rebound assembly; 61, guide rod; 62, first spring. DETAILED DESCRIPTION

[0029] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0030] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] For examples, please refer to the attached Figure 1-7 , an air purification device for a return air outlet of a ship air conditioner, comprising a return air duct 10, wherein a strip pipe 20 penetrating the return air duct 10 is provided at the top center of the return air duct 10;

[0033] A filter assembly 30 is installed inside the return air duct 10, and the filter assembly 30 includes a movable frame 31 located inside the return air duct 10 and a filter screen 32 installed inside the movable frame 31. Sliding grooves 12 are provided on the inner walls of the return air duct 10 on both sides of the movable frame 31. A rebound assembly 60 is installed in the sliding groove 12. The rebound assembly 60 includes a guide rod 61 located in the sliding groove 12 and a first spring 62 sleeved on the guide rod 61. Slide blocks 33 adapted to the sliding grooves 12 are provided on both sides of the movable frame 31. The guide rod 61 passes through the slide blocks 33. A dust outlet 11 is provided on the return air duct 10 in the bottom area of ​​the movable frame 31.

[0034] A scraping mechanism 40 is also installed in the return air duct 10, and the scraping mechanism 40 includes a ball screw 42 rotatably connected to the strip tube 20, a nut seat 43 slidably installed on the ball screw 42, a motor 41 connected to the ball screw 42, and a scraping frame 44 connected to the nut seat 43 and located in the return air duct 10.

[0035] It should be noted that the electrical components of the device are electrically connected to a conventional PLC controller.

[0036] For details, please refer to the attached Figure 2 and attached Figure 3 , the width of the movable frame 31 is greater than the width of the dust discharge port 11, and the length of the sliding slot 12 is twice the width of the movable frame 31;

[0037] Further, when the movable frame 31 is located at the top of the dust exhaust port 11, the slider 33 is located at one end of the sliding slot 12 close to the air inlet;

[0038] It should be noted that, in the present embodiment, the force of the first spring 62 causes the slider 33 to be located in the sliding groove 12 at one end close to the air inlet, so that the movable frame 31 blocks the dust exhaust port 11, preventing dust in the bottom area of ​​the dust exhaust port 11 from entering the return air duct 10 again, and the movable frame 31 can be completely moved out of the dust exhaust port 11 area, thereby exposing the dust exhaust port 11, allowing the cleaned dust to enter the dust exhaust port 11 area, thereby realizing dust discharge.

[0039] For details, please refer to the attached Figure 1 and attached Figure 7 A dust collecting assembly 50 is installed at the bottom of the dust discharge port 11, and the dust collecting assembly 50 includes a collection box 51. A dust inlet 511 is arranged at the top center of the collection box 51, and a handle 53 is installed at one side of the collection box 51;

[0040] It should be noted that, in this embodiment, the dust discharged from the dust outlet 11 area will fall into the collection box 51 for collection and waiting for processing.

[0041] For details, please refer to the attached Figure 3 and attached Figure 7 Symmetrical L-shaped slide bars 13 are provided on both sides of the bottom of the dust discharge port 11, and two L-shaped slide grooves 512 adapted to the L-shaped slide bars 13 are provided on the top of the collection box 51;

[0042] It should be noted that, in this embodiment, the L-shaped slide groove 512 and the L-shaped slide bar 13 are aligned and inserted, and the handle 53 is used to realize convenient installation and removal of the collection box 51, thereby increasing convenience.

[0043] For details, please refer to and attach Figure 7 The bottom rear side of the collection box 51 is provided with an opening, and a dust removal cover 52 is plugged into the rear opening of the collection box 51;

[0044] It should be noted that, in this embodiment, since the inner width of the collection box 51 is greater than the opening width, it is not convenient to discharge the dust and impurities inside the collection box 51. In this case, the dust removal cover 52 can be removed to discharge the dust.

[0045] For details, please refer to and attach Figure 5, both sides of the filter 32 are provided with a receiving groove 321, the front side of the filter 32 is provided with a toggle groove 322 which penetrates the receiving groove 321, a second spring 37 and a paddle 36 are installed in the receiving groove 321, one end of the paddle 36 penetrates the toggle groove 322, a convex button 35 is installed at one end of the outer side of the paddle 36, and slots adapted to the convex button 35 are provided on both sides of the movable frame 31;

[0046] It should be noted that, in the present embodiment, the filter 32 and the movable frame 31 can be easily disassembled, so that the filter 32 can be removed for more thorough cleaning to ensure the filtering effect of the filter 32. When the filter 32 needs to be removed, it is only necessary to slide the paddle 36 to move the convex button 35 inward to remove it from the slot on the movable frame 31, and then push the filter 32 out of the movable frame 31.

[0047] For details, please refer to and attach Figure 5 , a limit frame 34 is provided inside the movable frame 31;

[0048] It should be noted that, in this embodiment, when the filter screen 32 contacts the limiting frame 34 , the protruding button 35 is aligned with the slotted hole on the movable frame 31 , so as to facilitate the assembly between the filter screen 32 and the movable frame 31 .

[0049] For details, please refer to and attach Figure 6 The scraping frame 44 is provided with a circle of cleaning brushes 45 and a circle of rubber scrapers 46 around it, and both the cleaning brushes 45 and the rubber scrapers 46 are in contact with the inner wall of the return air duct 10;

[0050] It should be noted that, in this embodiment, the cleaning brush 45 can sweep off most of the dust and impurities on the inner wall of the return air duct 10, while the rubber scraper 46 can sweep off the remaining dust and impurities from the inner wall of the return air duct 10, thereby increasing the dust removal effect of the scraping mechanism 40.

[0051] For details, please refer to and attach Figure 6 A mounting block 47 is installed at the top center of the scraping frame 44, and a notch adapted to the mounting block 47 is provided at the bottom of the nut seat 43, and the mounting block 47 is connected to the nut seat 43 by a fixing bolt 48;

[0052] It should be noted that, in this embodiment, the connection between the scraper frame 44 and the nut seat 43 can be achieved by removing the fixing bolts 48, so that the scraper frame 44 can be removed for cleaning or replacement, ensuring the cleaning effect of the cleaning brush 45 and the rubber scraper 46 on the scraper frame 44 on the inner wall of the return air duct 10.

[0053] It should also be noted that the thickness of the scraping frame 44 is smaller than the width of the dust exhaust port 11, and an ultraviolet sterilization lamp can be installed at the other end of the return air duct 10 to sterilize the air.

[0054] The specific operation mode of the present invention is as follows:

[0055] After the air enters the return air duct 10, the dust and impurities inside will be filtered out by the filter 32, and some of the dust and impurities will stick to the inner wall of the return air duct 10. The motor 41 will operate regularly to rotate the ball screw 42, so that the nut seat 43 drives the scraper frame 44 to move toward one end of the filter 32, thereby scraping the dust on the inner wall of the return air duct 10 through the cleaning brush 45 and the rubber scraper 46. Finally, the scraper frame 44 will contact the movable frame 31, thereby pushing the movable frame 31 to move, so that the dust outlet 11 is exposed, and the dust on the cleaning brush 45 and the rubber scraper 46 will fall from the dust outlet 11 and be recorded in the collection box 51. Thereafter, the scraper frame 44 is reset, and the slider 33 is pushed by the force of the first spring 62, so that the movable frame 31 is reset to block the dust outlet 11, thereby preventing the airflow from causing dust to enter the return air duct 10 again, and the collection box 51 can be removed for cleaning.

[0056] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An air purification device for a return air outlet of a ship air conditioner, comprising a return air duct (10), characterized in that: A strip tube (20) penetrating the return air duct (10) is arranged at the top center of the return air duct (10); A filter assembly (30) is installed inside the return air duct (10), and the filter assembly (30) comprises a movable frame (31) located inside the return air duct (10) and a filter net (32) installed inside the movable frame (31); sliding grooves (12) are provided on the inner walls of the return air duct (10) on both sides of the movable frame (31); a rebound assembly (60) is installed in the sliding groove (12); the rebound assembly (60) comprises a guide rod (61) located in the sliding groove (12) and a first spring (62) sleeved on the guide rod (61); sliding blocks (33) adapted to the sliding grooves (12) are provided on both sides of the movable frame (31); the guide rod (61) passes through the sliding blocks (33); and a dust discharge port (11) is provided on the return air duct (10) in the bottom area of ​​the movable frame (31); A scraping mechanism (40) is also installed in the return air duct (10), and the scraping mechanism (40) includes a ball screw (42) rotatably connected to the strip tube (20), a nut seat (43) slidably installed on the ball screw (42), a motor (41) connected to the ball screw (42), and a scraping frame (44) connected to the nut seat (43) and located in the return air duct (10).

2. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: The width of the movable frame (31) is greater than the width of the dust discharge port (11), and the length of the sliding groove (12) is twice the width of the movable frame (31).

3. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: When the movable frame (31) is located at the top of the dust exhaust port (11), the sliding block (33) is located at one end of the sliding groove (12) close to the air inlet.

4. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: A dust collecting assembly (50) is installed at the bottom of the dust exhaust port (11), and the dust collecting assembly (50) comprises a collection box (51). A dust inlet (511) is arranged at the top center of the collection box (51), and a handle (53) is installed on one side of the collection box (51).

5. The air purification device for return air outlet of a ship air conditioner according to claim 4, characterized in that: Symmetrical L-shaped slide bars (13) are arranged on both sides of the bottom of the dust discharge port (11), and two L-shaped slide grooves (512) adapted to the L-shaped slide bars (13) are arranged on the top of the collection box (51).

6. The air purification device for return air outlet of a ship air conditioner according to claim 4, characterized in that: The bottom rear side of the collection box (51) is provided with an opening, and a dust removal cover (52) is plugged into the rear opening of the collection box (51).

7. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: Both sides of the filter screen (32) are provided with receiving grooves (321); the front side of the filter screen (32) is provided with a toggle groove (322) which penetrates the receiving groove (321); a second spring (37) and a paddle (36) are installed in the receiving groove (321); one end of the paddle (36) penetrates the toggle groove (322); a convex button (35) is installed at one end of the outer side of the paddle (36); and slot holes which are compatible with the convex button (35) are provided on both sides of the movable frame (31).

8. The air purification device for return air outlet of a ship air conditioner according to claim 7, characterized in that: A limit frame (34) is arranged inside the movable frame (31).

9. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: A circle of cleaning brushes (45) and a circle of rubber scrapers (46) are arranged around the scraping frame (44), and both the cleaning brushes (45) and the rubber scrapers (46) are in contact with the inner wall of the return air duct (10).

10. The air purification device for return air outlet of a ship air conditioner according to claim 1, characterized in that: An assembly block (47) is installed at the top center of the scraping frame (44), and a notch matched with the assembly block (47) is arranged at the bottom of the nut seat (43). The assembly block (47) is connected to the nut seat (43) via a fixing bolt (48).

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