Air conditioner ventilation device for ship cargo hold

By introducing filtered self-cleaning mechanisms and ultraviolet sterilization lamps into the air conditioning and ventilation device of the ship's cargo hold, the problem of the filter screen of the traditional ventilation device cannot be cleaned is solved, effective filtration of sea breeze and sterilization of air is achieved, and crew health protection is improved.

CN119099837AInactive Publication Date: 2024-12-10ANQING WANHANG REFRIGERATION TECH CO LTD
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Patent Information

Application Number
CN202411376774.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2024-12-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The filter screen of traditional ship ventilation devices cannot be cleaned after long-term use, resulting in poor filtration effect, affecting crew health, and the retention of harmful gases in the air promotes the generation and spread of pathogenic bacteria.

Method used

An air-conditioning ventilation device for ship cargo holds is designed, with a built-in filtering self-cleaning mechanism, including a curved filter and a scraper. The automatic scraping and sweep of the curved filter is achieved through the transmission wheel and the transmission belt, and dust and impurities are collected in the collection box. And install an ultraviolet sterilization lamp in the air supply duct for air sterilization.

Benefits of technology

Effective filtering of dust and impurities in the sea breeze and sterilization of air, ensuring the health of crew members, reducing maintenance work for crew members, improving filtration effect and air cleanliness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an air conditioner ventilation device for a ship cargo hold, and belongs to the technical field of ship air conditioners, the air conditioner ventilation device comprises a ventilation pipeline, the ventilation pipeline is internally provided with a filtering self-cleaning mechanism, and the filtering self-cleaning mechanism comprises a first rotating shaft, a second rotating shaft, an arc-shaped filtering net, a transmission wheel and a transmission belt; a plurality of fan blades are circumferentially distributed on the first rotating shaft, a connecting rod is mounted on one side of the top of the second rotating shaft, and a scraping plate is mounted at the bottom of the tail end of the connecting rod; an arc-shaped drain outlet is formed in the ventilating pipeline, and a collecting box is mounted at the bottom of the ventilating pipeline at the bottom of the arc-shaped drain outlet. The filtering self-cleaning mechanism is arranged in the ventilation pipeline, dust and impurities in sea wind can be filtered through the arc-shaped filtering net, meanwhile, the filtering self-cleaning mechanism can achieve synchronous rotation of fan blades and scraping plates through blowing of the sea wind, and therefore the arc-shaped filtering net is continuously scraped and swept, and the filtering effect of the arc-shaped filtering net is guaranteed; and the health of sailors is more effectively guaranteed.
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Description

Technical Field

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

[0002] Ship is a general term for various vessels. Ship is a means of transportation that can sail or anchor in waters for transportation or operation. Ships will experience various complex climatic conditions when sailing at sea. In order to provide a comfortable environment for crew members or passengers, air conditioning equipment is often installed on ships.

[0003] Due to the closed design of the ship, personnel and equipment coexist in the crowded ship cabins. The paint, fuel, plastic, body odor, etc. in the ship form a high concentration of harmful gases that remain in the ship for a long time. The cabins contain a large amount of circulating bacteria, viruses, harmful gases, etc. in the air, which has no obvious effect at all, and is conducive to the production, reproduction, spread and mutation of pathogenic bacteria and other microorganisms, which brings certain harm to the health of the crew. The filter net of the traditional ship ventilation device cannot be cleaned after long-term use, resulting in poor filtration effect and affecting the health of the crew. Summary of the invention

[0004] The present invention mainly provides an air conditioning and ventilation device for a ship cargo hold 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 conditioning and ventilation device for a ship cargo hold comprises a ventilation duct, wherein the two ends of the ventilation duct are respectively an air inlet and an air outlet, and an air supply duct is installed at one end of the air outlet of the ventilation duct;

[0007] The ventilation duct is provided with a filtering self-cleaning mechanism inside, and the filtering self-cleaning mechanism includes a first rotating shaft and a second rotating shaft rotatably connected in the ventilation duct, the first rotating shaft is closer to the air inlet than the second rotating shaft, and an arc-shaped filter screen is installed inside the ventilation duct on the side of the second rotating shaft away from the air inlet, a transmission wheel is installed on the top of the first rotating shaft and the second rotating shaft, a transmission belt is sleeved between the two transmission wheels, a plurality of fan blades are distributed in a circumference on the first rotating shaft, a connecting rod is installed on one side of the top of the second rotating shaft, a scraper is installed at the bottom of the end of the connecting rod, and the scraper is in contact with one side of the arc-shaped filter screen;

[0008] An arc-shaped sewage outlet is arranged on the ventilation duct at the bottom of one side of the arc-shaped filter screen close to the second rotating shaft, and a collection box is installed at the bottom of the ventilation duct at the bottom of the arc-shaped sewage outlet.

[0009] Furthermore, in the present invention, the second rotating shaft is located at the center point of the arc-shaped filter screen and the arc-shaped sewage outlet, and the length of the connecting rod is the same as the inner diameter of the arc-shaped filter screen.

[0010] Furthermore, in the present invention, flanges are installed at one end of the air supply duct and one end of the air outlet of the ventilation duct, and the two flanges are connected by a plurality of fixing bolts.

[0011] Furthermore, in the present invention, a plurality of ultraviolet sterilization lamps are installed at equal distances inside the air supply duct, and the air supply duct is a contracted structure.

[0012] Furthermore, in the present invention, a filter plate is installed at the air inlet of the ventilation duct, and the filter plate is a louver-type structure.

[0013] Furthermore, in the present invention, two positioning bolts are installed on both sides of the air inlet of the ventilation duct, and screw holes matching the positioning bolts are provided on both sides of the filter plate.

[0014] Furthermore, in the present invention, an external thread is provided on the periphery of the top of the collection box, and the collection box and the bottom of the ventilation duct are connected by means of internal and external threads.

[0015] Furthermore, in the present invention, a transparent acrylic plate is provided on one side of the collection box.

[0016] Furthermore, in the present invention, a driving housing is provided on the top of the ventilation duct, the driving housing is connected to the ventilation duct via a plurality of fixing bolts, and the transmission wheel and the transmission belt are both located inside the driving housing.

[0017] Furthermore, in the present invention, the connecting rod and the scraper are connected by two positioning pins.

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

[0019] The present invention arranges a filtering self-cleaning mechanism inside the ventilation duct, and can filter dust and impurities in the sea breeze through the arc-shaped filter net. At the same time, the sea breeze can be sterilized and disinfected by the ultraviolet sterilization lamp in the air supply duct, thereby ensuring the health of the crew. At the same time, the filtering self-cleaning mechanism can realize the synchronous rotation of the fan blades and the scraper through the blowing of the sea breeze, so as to continuously scrape the arc-shaped filter net to ensure the filtering effect of the arc-shaped filter net, and the scraped dust and impurities will enter the collection box for collection and wait for unified treatment. There is no need for the crew to manually clean the air conditioning filter net, which increases convenience and more effectively protects the health of the crew.

[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 diagram of the overall structure of the present invention;

[0023] Figure 3 for Figure 2 A magnified image of area A;

[0024] Figure 4 It is a schematic cross-sectional view of the ventilation duct structure of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the filtering self-cleaning mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the air supply duct structure of the present invention.

[0027] In the figure: 10, ventilation duct; 11, air inlet; 12, arc-shaped sewage outlet; 13, positioning bolt; 20, collection box; 21, acrylic plate; 30, air supply duct; 40, filter plate; 50, filter self-cleaning mechanism; 51, first rotating shaft; 52, second rotating shaft; 53, transmission wheel; 54, transmission belt; 55, fan blade; 56, connecting rod; 57, scraper; 58, arc-shaped filter; 60, drive housing; 70, flange; 80, ultraviolet sterilization lamp. DETAILED DESCRIPTION

[0028] 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.

[0029] 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.

[0030] 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.

[0031] For examples, please refer to the attached Figure 1-6 , an air conditioning and ventilation device for a ship cargo hold, comprising a ventilation duct 10, wherein the two ends of the ventilation duct 10 are respectively an air inlet 11 and an air outlet, and an air supply duct 30 is installed at one end of the air outlet of the ventilation duct 10;

[0032] A filtering self-cleaning mechanism 50 is provided inside the ventilation duct 10, and the filtering self-cleaning mechanism 50 includes a first rotating shaft 51 and a second rotating shaft 52 which are rotatably connected inside the ventilation duct 10, the first rotating shaft 51 is closer to the air inlet 11 than the second rotating shaft 52, and an arc-shaped filter screen 58 is installed inside the ventilation duct 10 on the side of the second rotating shaft 52 away from the air inlet 11, a transmission wheel 53 is installed on the top of the first rotating shaft 51 and the second rotating shaft 52, and a transmission belt 54 is sleeved between the two transmission wheels 53, a plurality of fan blades 55 are distributed in a circumference on the first rotating shaft 51, a connecting rod 56 is installed on one side of the top of the second rotating shaft 52, a scraper 57 is installed at the bottom of the end of the connecting rod 56, and the scraper 57 is in contact with one side of the arc-shaped filter screen 58;

[0033] An arc-shaped sewage outlet 12 is provided on the ventilation duct 10 at the bottom of one side of the arc-shaped filter screen 58 close to the second rotating shaft 52 , and a collection box 20 is installed at the bottom of the ventilation duct 10 at the bottom of the arc-shaped sewage outlet 12 .

[0034] For details, please refer to the attached Figure 4 , the second rotating shaft 52 is located at the center point of the arc-shaped filter screen 58 and the arc-shaped sewage outlet 12, and the length of the connecting rod 56 is the same as the inner diameter of the arc-shaped filter screen 58;

[0035] It should be noted that, in this embodiment, when the second rotating shaft 52 rotates, the connecting rod 56 will carry the scraper 57 to make a circular motion, so that the scraper 57 fits in contact with the arc-shaped filter screen 58, so that the dust and impurities on the arc-shaped filter screen 58 are swept off.

[0036] For details, please refer to the attached Figure 2 A flange 70 is installed at one end of the air supply duct 30 and one end of the air outlet of the ventilation duct 10, and the two flanges 70 are connected by a plurality of fixing bolts;

[0037] It should be noted that, in the present embodiment, the air supply duct 30 and the ventilation duct 10 can be disassembled by removing the fixing bolts on the flange 70, thereby facilitating component replacement or maintenance of internal components.

[0038] For details, please refer to the attached Figure 6 , a plurality of ultraviolet sterilization lamps 80 are installed at equal distances inside the air supply duct 30, and the air supply duct 30 is a contracted structure;

[0039] It should be noted that, in the present embodiment, the ultraviolet sterilization lamp 80 is electrically connected to the conventional PLC controller. The ultraviolet sterilization lamp 80 can purify the bacteria in the air, effectively reduce the bacteria content in the indoor air, achieve fresh indoor air, and ensure the health of the crew. The constricted structure of the air supply duct 30 allows the air to stay in the air supply duct 30 for a longer time, thereby performing sterilization treatment.

[0040] For details, please refer to the attached Figure 1 A filter plate 40 is installed at the air inlet 11 of the ventilation duct 10, and the filter plate 40 is a sill type structure;

[0041] It should be noted that, in the present embodiment, the filter plate 40 can filter larger debris in the air to prevent the foreign matter from entering the ventilation duct 10 and affecting the operation of the filtering self-cleaning mechanism 50 in the ventilation duct 10 .

[0042] For details, please refer to the attached Figure 3 , two positioning bolts 13 are installed on both sides of the air inlet 11 of the ventilation duct 10, and screw holes matching the positioning bolts 13 are provided on both sides of the filter plate 40;

[0043] It should be noted that, in the present embodiment, the filter plate 40 can be disassembled by removing the positioning bolts 13, so as to facilitate the cleaning of the filter plate 40 and prevent the filter plate 40 from being contaminated and affecting the air quality at the air intake.

[0044] For details, please refer to the attached Figure 2 The top periphery of the collection box 20 is provided with external threads, and the collection box 20 and the bottom of the ventilation duct 10 are connected by internal and external threads;

[0045] Furthermore, a transparent acrylic plate 21 is provided on one side of the collection box 20;

[0046] It should be noted that, in this embodiment, the collection box 20 can be disassembled by rotating the collection box 20 to deal with the dust and impurities inside, and the transparent acrylic plate 21 can facilitate observation of the amount of dust inside the collection box 20. When the amount of dust is large, the collection box 20 can be removed in time for cleaning.

[0047] For details, please refer to the attached Figure 4 A driving housing 60 is disposed on the top of the ventilation duct 10, and the driving housing 60 is connected to the ventilation duct 10 through a plurality of fixing bolts, and the transmission wheel 53 and the transmission belt 54 are both located inside the driving housing 60;

[0048] It should be noted that, in the present embodiment, the drive housing 60 can be disassembled by removing the fixing bolts, thereby facilitating maintenance of the transmission wheel 53 and the transmission belt 54 , thereby ensuring the normal operation of the filtering self-cleaning mechanism 50 .

[0049] For details, please refer to the attached Figure 5 , the connecting rod 56 and the scraper 57 are connected by two positioning pins;

[0050] It should be noted that, in this embodiment, the connecting rod 56 and the scraper 57 can be assembled and disassembled, so that the scraper 57 can be replaced to ensure the scraping effect of the scraper 57 on the arc-shaped filter screen 58.

[0051] The specific operation mode of the present invention is as follows:

[0052] The sea breeze blows in through the air inlet 11 of the ventilation duct 10. When the sea breeze blows in, it drives the fan blades 55 in the ventilation duct 10 to rotate, thereby rotating the first rotating shaft 51, and then cooperates with the transmission wheel 53 and the transmission belt 54 to drive the second rotating shaft 52 to rotate;

[0053] When the sea breeze passes through the arc filter 58, the dust and impurities inside will be filtered and remain on the surface of the arc filter 58, and the rotation of the second shaft 52 can make the connecting rod 56 and the scraper 57 rotate in a circle, so that the dust and impurities on the arc filter 58 are scraped by the scraper 57, and due to the wind direction, the dust and impurities will be directed toward the arc filter 58, and finally the dust and impurities will fall from the arc sewage outlet 12, and then enter the collection box 20 to be collected, and the sea breeze passes through the arc filter 58 into the air supply duct 30, and after being sterilized and disinfected by the ultraviolet sterilization lamp 80, finally enters the interior of the ship's air conditioner for air supply.

[0054] 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 conditioning and ventilation device for a ship cargo hold, comprising a ventilation duct (10), characterized in that: The two ends of the ventilation duct (10) are respectively an air inlet (11) and an air outlet, and an air supply duct (30) is installed at one end of the air outlet of the ventilation duct (10); A filtering self-cleaning mechanism (50) is arranged inside the ventilation duct (10), and the filtering self-cleaning mechanism (50) comprises a first rotating shaft (51) and a second rotating shaft (52) which are rotatably connected inside the ventilation duct (10), the first rotating shaft (51) being closer to the air inlet (11) than the second rotating shaft (52), and an arc-shaped filter screen (58) is installed inside the ventilation duct (10) on the side of the second rotating shaft (52) away from the air inlet (11), a transmission wheel (53) is installed on the top of each of the first rotating shaft (51) and the second rotating shaft (52), a transmission belt (54) is sleeved between the two transmission wheels (53), a plurality of fan blades (55) are distributed in a circumferential manner on the first rotating shaft (51), a connecting rod (56) is installed on one side of the top of the second rotating shaft (52), a scraper (57) is installed at the bottom of the end of the connecting rod (56), and the scraper (57) is in contact with one side of the arc-shaped filter screen (58); An arc-shaped sewage outlet (12) is provided on the ventilation duct (10) at the bottom of one side of the arc-shaped filter screen (58) close to the second rotating shaft (52), and a collection box (20) is installed at the bottom of the ventilation duct (10) at the bottom of the arc-shaped sewage outlet (12).

2. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: The second rotating shaft (52) is located at the center point of the arc-shaped filter screen (58) and the arc-shaped sewage outlet (12), and the length of the connecting rod (56) is the same as the inner diameter of the arc-shaped filter screen (58).

3. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: One end of the air supply duct (30) and one end of the air outlet of the ventilation duct (10) are both installed with flanges (70), and the two flanges (70) are connected by a plurality of fixing bolts.

4. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: A plurality of ultraviolet sterilization lamps (80) are installed at equal distances inside the air supply duct (30), and the air supply duct (30) is a contracted structure.

5. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: A filter plate (40) is installed at the air inlet (11) of the ventilation duct (10), and the filter plate (40) is a sill-shaped structure.

6. The air conditioning and ventilation device for a ship cargo hold according to claim 5, characterized in that: Two positioning bolts (13) are installed on both sides of the air inlet (11) of the ventilation duct (10), and screw holes matching the positioning bolts (13) are arranged on both sides of the filter plate (40).

7. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: The top periphery of the collection box (20) is provided with external threads, and the collection box (20) and the bottom of the ventilation duct (10) are connected via internal and external threads.

8. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: A transparent acrylic plate (21) is provided on one side of the collection box (20).

9. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: A drive housing (60) is provided on the top of the ventilation duct (10); the drive housing (60) is connected to the ventilation duct (10) via a plurality of fixing bolts, and the transmission wheel (53) and the transmission belt (54) are both located inside the drive housing (60).

10. The air conditioning and ventilation device for a ship cargo hold according to claim 1, characterized in that: The connecting rod (56) and the scraper (57) are connected via two positioning pins.