Dustproof device for subway air conditioner

Abstract

The invention discloses a dust-proof device for a subway air conditioner, the dust-proof device for the subway air conditioner comprises a communicating air pipe, and an air conditioner air inlet filter screen is mounted on one side of the communicating air pipe through bolts. The dust-proof device for the subway air conditioner has the beneficial effects that a movable sliding plate, an adjusting rack, a gear and a rotating rod are arranged, so that a movable sliding block drives the movable sliding plate and the adjusting rack to move; an adjusting rack drives a meshed gear to rotate, when the gear rotates, a rotating rod and an air guide plate are driven to rotate, central air conditioner air in a communicating air pipe is guided, and blowing treatment is conducted through an outer filter screen on one side of the communicating air pipe; an adjusting lead screw rotates to drive a limiting sliding block on the outer side to move and adjust, the limiting sliding block drives an impurity scraping plate on the inner side of a fixed side box to move and adjust, impurities on one side of an inner filter screen are scraped through the impurity scraping plate, and the work of cleaning the impurities on one side of the inner filter screen is completed; and the long-term impurity filtering effect of subway central air-conditioning air is improved.

Description

Technical Field

[0001] The invention relates to the technical field of dustproof devices, in particular to a dustproof device for subway air conditioners. Background Art

[0002] Subway air conditioning is an air conditioning device used to treat the air in subway cars to achieve the purpose of dehumidification and cooling. Subway air conditioning systems are usually divided into three parts: ventilation system, air conditioning unit and control system. Ventilation system: The subway vehicle ventilation system is an important part of vehicle air conditioning. It is mainly composed of centrifugal fans, radial flow fans, etc. The centrifugal fan is the power device of the ventilation system. After sucking in fresh air outside the car and indoor return air, the air is pressurized and sent back to the passenger compartment through the main air duct to ensure the balance of temperature and humidity in the passenger compartment. Control system: It consists of a PLC host unit, a temperature expansion module and an information display operation screen. It is powered by 110V DC power obtained from the 1500V DC obtained from the contact network and rectified by the auxiliary power supply system. The PLC automatically controls the entire air conditioning control system and monitors the operation of the air conditioning unit in real time. Air conditioning unit: It is mainly composed of an air handling unit and a compressor condenser unit. The air conditioning unit is located at 1 / 4 to 3 / 4 of the roof, with air supply at both ends and return air at both ends, providing the passenger compartment and the driver's room with fresh air after cooling and dehumidification. The main function of subway air conditioning is Refrigeration and ventilation, through steam compression refrigeration to achieve cooling function, while in conjunction with the ventilation system, to provide passengers with a comfortable carriage environment, many trains are also equipped with variable frequency air conditioning units, using advanced variable frequency technology to accurately control the carriage temperature and reduce energy consumption, subway air conditioning dust prevention device is a kind of protective equipment specially designed for subway air conditioning system, its main function is to prevent external dust and debris from entering the subway air conditioning system, subway vehicles are a relatively closed space, densely populated and highly mobile, dust, dandruff, droplets in the air are all potential sources of pollution, most of the subway runs underground, can not be like ground transportation by opening windows for natural ventilation, when the subway air conditioning system introduces fresh air, dust prevention treatment must be carried out to ensure that the air entering the carriage is clean and safe, but the existing subway air conditioning dust prevention device does not have the function of automatically cleaning the internal dust filter, manual maintenance is required in the ventilation duct box, maintenance is more troublesome, it is difficult to clean the impurities and dust remaining in the filter in time, more and more dust accumulates, causing the air inlet and outlet to be blocked, affecting the use effect. Summary of the invention

[0003] The object of the present invention is to provide a dust-proof device for subway air conditioners, so as to solve the problem that the existing subway air conditioner dust-proof device proposed in the above background technology does not have the function of automatically cleaning the filter screen for filtering internal dust, and requires manual maintenance inside the ventilation duct box, which is troublesome to maintain and difficult to clean the impurities and dust remaining on the filter screen in time. More and more dust accumulates, causing blockage of air inlet and outlet, affecting the use effect.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a dust-proof device for subway air conditioning, comprising a connecting air duct, an air-conditioning air inlet filter is installed on one side of the connecting air duct by bolts, an outer filter is installed on the side of the connecting air duct away from the air-conditioning air inlet filter, an inner filter is fixedly connected to the inside of the connecting air duct, an air guide plate is symmetrically rotatably connected to the inside of the connecting air duct, a rotating rod is fixedly connected to the top of the air guide plate, the rotating rod is rotatably connected to the connecting air duct, a fixed top box is fixedly connected to the top of the connecting air duct, the top of the rotating rod is rotatably connected to the fixed top box, a gear is fixedly connected to the outside of the rotating rod, a moving slide is symmetrically slidably connected to the inside of the fixed top box, an adjusting rack is equidistantly fixedly connected to one side of the moving slide, the adjusting rack is meshed with the gear, the adjusting rack is slidably connected to the fixed top box, one side of the inner filter is symmetrically fixedly connected to a fixed side box, and a scraper plate cooperating with the inner filter is slidably connected between the two fixed side boxes.

[0005] As a preferred solution of the present invention: the fixed top box is internally rotatably connected with a bidirectional screw rod, the outer side of the bidirectional screw rod is symmetrically threadedly connected with a movable slider, the movable slider is slidably connected to the fixed top box, and one side of the movable slider is fixedly connected to the movable slide plate.

[0006] As a preferred solution of the present invention: one side of the outer filter is symmetrically fixedly connected with a mounting side box, the top and bottom of the connecting ventilation duct are fixedly connected with a mounting outer plate, one side of the mounting outer plate is provided with a mounting side groove that cooperates with the mounting side box, the interior of the mounting side groove is provided with a limiting card slot, and the interior of the mounting side box is slidably connected with a beveled card block that cooperates with the limiting card slot.

[0007] As a preferred solution of the present invention: a pressure plate is fixedly connected to one side of the bevel block, and the pressure plate is slidably connected to the outer filter screen and the mounting side box. A spring is arranged inside the mounting side box, one end of the spring is fixedly connected to the pressure plate, and the other end of the spring is fixedly connected to the mounting side box.

[0008] As a preferred solution of the present invention: a No. 2 motor is installed inside the fixed top box, and the output end of the No. 2 motor is fixedly connected to the bidirectional lead screw.

[0009] As a preferred solution of the present invention: both sides of the scraper plate are fixedly connected with limit sliders, the limit sliders are slidably connected to the fixed side boxes, one of the limit sliders is internally threadedly connected with an adjusting screw, and one of the fixed side boxes is rotatably connected to the adjusting screw.

[0010] As a preferred solution of the present invention: another of the limit sliders is internally slidably connected to the limit rod, and the other fixed side box is fixedly connected to the limit rod, wherein a No. 1 motor is installed inside one of the fixed side boxes, and the output end of the No. 1 motor is fixedly connected to the adjusting screw.

[0011] As a preferred solution of the present invention: the top and the bottom of the limit sliding block are both provided with accordion cloths, and one side of the accordion cloths is connected to the fixed side box.

[0012] As a preferred solution of the present invention: a collecting box cooperating with the inner filter screen is installed at the bottom of the connecting air duct by bolts.

[0013] As a preferred solution of the present invention: a partition plate is fixedly connected to the interior of the connecting air duct.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes that the moving slider drives the moving slider and the adjusting rack to move by providing a moving slider, the meshing gear is driven to rotate by the adjusting rack, and the rotating rod and the air guide plate are driven to rotate when the gear rotates, so as to guide the central air-conditioning wind in the connecting air duct, and blow the wind through the outer filter on one side of the connecting air duct; by providing a scraping plate, the outer limit slider is driven to move and adjust when the adjusting screw rod rotates, and the limit slider drives the scraping plate on the inner side of the fixed side box to move and adjust, and the impurities on one side of the inner filter are scraped off by the scraping plate, so as to complete the impurity cleaning work on one side of the inner filter, thereby improving the long-term impurity filtering effect of the central air-conditioning wind in the subway. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0016] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 A top view of the internal structure of the fixed top box of the present invention;

[0018] Figure 4 This is a right side view of the inner filter screen of the present invention;

[0019] Figure 5 It is a top view of the air guide plate structure of the present invention.

[0020] In the figure: 1. Connecting air duct; 2. Air conditioning air inlet filter; 3. Inner filter; 4. Scraper plate; 5. Fixed side box; 6. Limit slider; 7. Limit rod; 8. Adjustment screw; 9. Motor No. 1; 10. Organ cloth; 11. Rotating rod; 12. Air guide plate; 13. External filter; 14. Install external plate; 15. Install side groove; 16. Install side box; 17. Press plate; 18. Bevel block; 19. Spring; 20. Limit slot; 21. Gear; 22. Move slide plate; 23. Adjustment rack; 24. Move slider; 25. Bidirectional screw; 26. Motor No. 2; 27. Collecting box; 28. Fixed top box; 29. ​​Partition plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figures 1 to 5 The present invention provides a technical solution: a dust-proof device for subway air conditioner, comprising a continuous ventilation duct 1, an air conditioner air inlet filter 2 is installed on one side of the continuous ventilation duct 1 by bolts, an outer filter 13 is installed on the side of the continuous ventilation duct 1 away from the air conditioner air inlet filter 2, an inner filter 3 is fixedly connected to the inside of the continuous ventilation duct 1, an air guide plate 12 is symmetrically rotatably connected to the inside of the continuous ventilation duct 1, a rotating rod 11 is fixedly connected to the top of the air guide plate 12, the rotating rod 11 is rotatably connected to the continuous ventilation duct 1, a fixed top box 28 is fixedly connected to the top of the continuous ventilation duct 1, the top of the rotating rod 11 is rotatably connected to the fixed top box 28, and the outer side of the rotating rod 11 is fixedly connected to the fixed top box 28. A gear 21 is fixedly connected to the side, and a mobile slide plate 22 is symmetrically and slidably connected inside the fixed top box 28. An adjusting rack 23 is equidistantly fixedly connected to one side of the mobile slide plate 22. The adjusting rack 23 is meshed with the gear 21, and the adjusting rack 23 is slidably connected to the fixed top box 28. A fixed side box 5 is symmetrically and fixedly connected to one side of the inner filter 3. A scraper plate 4 that cooperates with the inner filter 3 is slidably connected between the two fixed side boxes 5. The scraper plate 4 slides between the two fixed side boxes 5, and the scraper plate 4 slides on one side of the inner filter 3 to scrape and clean the impurities on one side of the inner filter 3, thereby completing the cleaning of the inner filter 3.

[0023] Among them, the fixed top box 28 is internally rotatably connected with a bidirectional screw rod 25, and the outer side of the bidirectional screw rod 25 is symmetrically threadedly connected with a moving slider 24, the moving slider 24 is slidably connected to the fixed top box 28, and one side of the moving slider 24 is fixedly connected to the moving slide plate 22. By rotating the bidirectional screw rod 25, the bidirectional screw rod 25 drives the outer moving slider 24 to move and adjust when it rotates, and the moving slide plate 22 in the fixed top box 28 is driven to move and adjust through the moving slider 24, and the multiple adjustment racks 23 are driven to move synchronously through the moving adjustment rack 23, so that the meshing gear 21 and the rotating rod 11 are driven to rotate, and the angle of each air guide plate 12 is adjusted to perform air guiding processing.

[0024] Among them, one side of the outer filter 13 is symmetrically fixedly connected with an installation side box 16, and the top and bottom of the ventilation duct 1 are fixedly connected with an installation outer plate 14, one side of the installation outer plate 14 is provided with an installation side groove 15 that cooperates with the installation side box 16, and the interior of the installation side groove 15 is provided with a limiting card groove 20, and the interior of the installation side box 16 is slidably connected with a beveled card block 18 that cooperates with the limiting card groove 20, and the beveled card block 18 cooperates with the limiting card groove 20 to limit the installation side box 16 in the installation side groove 15, and the outer filter 13 is installed and fixed on one side of the ventilation duct 1.

[0025] Among them, a pressure plate 17 is fixedly connected to one side of the bevel block 18, and the pressure plate 17 is slidably connected to the outer filter 13 and the installation side box 16. A spring 19 is arranged inside the installation side box 16, and one end of the spring 19 is fixedly connected to the pressure plate 17, and the other end of the spring 19 is fixedly connected to the installation side box 16. The spring 19 is used to reset the pressure plate 17 and the bevel block 18, so that the bevel block 18 can enter the limit slot 20 for limit fixing, and the outer filter 13 is limitedly installed on one side of the ventilation duct 1.

[0026] Among them, a No. 2 motor 26 is installed inside the fixed top box 28, and the output end of the No. 2 motor 26 is fixedly connected to the bidirectional screw rod 25. The output end of the No. 2 motor 26 drives the bidirectional screw rod 25 to rotate and adjust. When the bidirectional screw rod 25 rotates, it drives the outer movable slider 24 to move and adjust, thereby moving the movable slide plate 22 and the adjustment rack 23.

[0027] Among them, both sides of the scraper plate 4 are fixedly connected with limit sliders 6, and the limit sliders 6 are slidably connected to the fixed side boxes 5. The internal thread of one of the limit sliders 6 is connected with an adjusting screw 8, and one of the fixed side boxes 5 is rotatably connected to the adjusting screw 8. When the adjusting screw 8 rotates, it drives the outer limit slider 6 to move, and drives the scraper plate 4 between the two fixed side boxes 5 to move, so as to clean the inner filter 3.

[0028] Among them, another limit slider 6 is internally slidably connected to the limit rod 7, and another fixed side box 5 is fixedly connected to the limit rod 7. A No. 1 motor 9 is installed inside one of the fixed side boxes 5, and the output end of the No. 1 motor 9 is fixedly connected to the adjusting screw 8. The adjusting screw 8 is driven by the output end of the No. 1 motor 9 to rotate and adjust.

[0029] Among them, the top and bottom of the limiting slider 6 are both provided with an accordion cloth 10, one side of the accordion cloth 10 is connected to the fixed side box 5, the accordion cloth 10 can effectively block dust, and the accordion cloth 10 can tightly cover the items that need to be protected, effectively blocking dust from entering and preventing dust from entering through the gaps.

[0030] A collecting box 27 cooperating with the inner filter 3 is installed at the bottom of the connecting air duct 1 by bolts, and the impurities scraped off one side of the inner filter 3 by the scraping plate 4 are collected and processed by the collecting box 27 .

[0031] A partition plate 29 is fixedly connected to the interior of the connecting air duct 1 , and the partition plate 29 is used to isolate the air in the connecting air duct 1 .

[0032] Specifically, when in use, the wind from the central air conditioner enters the connected air duct 1 through the air-conditioning air inlet filter 2, undergoes primary filtration through the air-conditioning air inlet filter 2, and then undergoes secondary filtration through the inner filter 3 in the connected air duct 1 to filter out dust and impurities. After filtration, the wind passes through the various air guide plates 12 and the partition plate 29 in the connected air duct 1 to conduct air guiding processing, and the output end of the second motor 26 drives the bidirectional screw rod 25 to rotate. When the bidirectional screw rod 25 rotates, it drives the outer symmetrical moving slider 24 to move and adjust. When the moving slider 24 moves, it drives the moving slide plate 22 on one side to move. When the moving slide plate 22 moves, it drives each adjusting rack 23 on one side to move and adjust. The adjusting rack 23 drives the meshing gear 21 to rotate and adjust. When the gear 21 rotates, it drives the inner rotating rod 11 to rotate. When the rotating rod 11 rotates, it drives the air guide plate 12 is rotated and adjusted to guide and adjust the wind entering the connecting air duct 1 of the central air conditioner, and the dust and impurities outside the connecting air duct 1 and inside the subway are blocked by the outer filter 13. When the inner filter 3 is maintained, the adjusting screw 8 is driven to rotate by the output end of the No. 1 motor 9. When the adjusting screw 8 rotates, it drives the outer limit slider 6 to move. When the limit slider 6 moves, it drives the scraper plate 4 to move, and the impurities on one side of the inner filter 3 are filtered by the scraper plate 4. The impurities on one side of the inner filter 3 are scraped and collected by the collection box 27. By pressing the pressing plate 17 to the middle position, the pressing plate 17 drives the bevel block 18 to leave the limit slot 20, and the pressing plate 17 presses the spring 19, and the bevel block 18 leaves the limit slot 20, so that the outer filter 13 can be disassembled from one side of the connecting air duct 1, and the disassembly and maintenance of the outer filter 13 are completed.

[0033] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0035] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust-proof device for subway air conditioning, comprising a connected air duct (1), characterized in that: An air conditioner air inlet filter (2) is installed on one side of the connecting air duct (1) by means of bolts, an outer filter (13) is installed on the side of the connecting air duct (1) away from the air conditioner air inlet filter (2), an inner filter (3) is fixedly connected to the inside of the connecting air duct (1), an air guide plate (12) is symmetrically rotatably connected to the inside of the connecting air duct (1), a rotating rod (11) is fixedly connected to the top of the air guide plate (12), the rotating rod (11) is rotatably connected to the connecting air duct (1), a fixed top box (28) is fixedly connected to the top of the connecting air duct (1), and the top of the rotating rod (11) is rotatably connected to the connecting air duct (1). The fixed top box (28) is rotatably connected, a gear (21) is fixedly connected to the outer side of the rotating rod (11), a movable slide plate (22) is symmetrically slidably connected inside the fixed top box (28), an adjusting rack (23) is equidistantly fixedly connected to one side of the movable slide plate (22), the adjusting rack (23) is meshingly connected to the gear (21), the adjusting rack (23) is slidably connected to the fixed top box (28), one side of the inner filter (3) is symmetrically fixedly connected to a fixed side box (5), and a scraper plate (4) cooperating with the inner filter (3) is slidably connected between the two fixed side boxes (5).

2. A dust-proof device for subway air conditioner according to claim 1, characterized in that: The fixed top box (28) is internally rotatably connected with a bidirectional screw rod (25), the outer side of the bidirectional screw rod (25) is symmetrically threadedly connected with a movable slider (24), the movable slider (24) is slidably connected to the fixed top box (28), and one side of the movable slider (24) is fixedly connected to the movable slide plate (22).

3. A dust-proof device for subway air conditioner according to claim 2, characterized in that: One side of the outer filter (13) is symmetrically fixedly connected to a mounting side box (16); the top and bottom of the connecting air duct (1) are fixedly connected to a mounting outer plate (14); one side of the mounting outer plate (14) is provided with a mounting side groove (15) that matches the mounting side box (16); a limit slot (20) is provided inside the mounting side groove (15); and a bevel block (18) that matches the limit slot (20) is slidably connected inside the mounting side box (16).

4. A dust-proof device for subway air conditioner according to claim 3, characterized in that: A pressure plate (17) is fixedly connected to one side of the bevel block (18), and the pressure plate (17) is slidably connected to the outer filter (13) and the mounting side box (16). A spring (19) is arranged inside the mounting side box (16), and one end of the spring (19) is fixedly connected to the pressure plate (17), and the other end of the spring (19) is fixedly connected to the mounting side box (16).

5. A dust-proof device for subway air conditioner according to claim 4, characterized in that: A No. 2 motor (26) is installed inside the fixed top box (28), and the output end of the No. 2 motor (26) is fixedly connected to the bidirectional screw rod (25).

6. A dust-proof device for subway air conditioner according to claim 5, characterized in that: Both sides of the scraper plate (4) are fixedly connected to limit sliders (6), and the limit sliders (6) are slidably connected to the fixed side boxes (5). One of the limit sliders (6) is internally threadedly connected to an adjusting screw rod (8), and one of the fixed side boxes (5) is rotatably connected to the adjusting screw rod (8).

7. A dust-proof device for subway air conditioner according to claim 6, characterized in that: Another of the limit sliders (6) is internally slidably connected to a limit rod (7), and another of the fixed side boxes (5) is fixedly connected to the limit rod (7), wherein a No. 1 motor (9) is installed inside one of the fixed side boxes (5), and an output end of the No. 1 motor (9) is fixedly connected to an adjusting screw rod (8).

8. A dust-proof device for subway air conditioner according to claim 7, characterized in that: The top and bottom of the limit sliding block (6) are both provided with accordion cloth (10), and one side of the accordion cloth (10) is connected to the fixed side box (5).

9. A dust-proof device for subway air conditioner according to claim 8, characterized in that: A collecting box (27) matched with the inner filter screen (3) is installed at the bottom of the connecting air duct (1) by means of bolts.

10. A dust-proof device for subway air conditioner according to claim 9, characterized in that: A partition plate (29) is fixedly connected inside the connecting air duct (1).

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