Air inlet system of permanent magnet variable frequency air compressor for tunnel

Abstract

The utility model discloses an air inlet system of a permanent magnet variable-frequency air compressor for a tunnel, and relates to the technical field of variable-frequency air compressors. The permanent magnet variable-frequency air compressor comprises a permanent magnet variable-frequency air compressor body, wherein a shell is fixedly connected to one side of the permanent magnet variable-frequency air compressor body; a filtering assembly is arranged in the shell and comprises a filtering plate, the filtering plate is arranged on one side of the permanent magnet frequency conversion air compressor body, a transmission motor is fixedly connected to one side of the bottom of the shell, a threaded rod is fixedly connected to the output end of the transmission motor, and a cleaning plate is arranged on one side of the threaded rod. By arranging the filtering assembly which comprises the filtering plate, the transmission motor, the threaded rod and the cleaning plate, the function of automatically cleaning dust on the surface of the filtering plate is achieved, the transmission motor drives the threaded rod to drive the cleaning plate to move, the dust on the surface of the filtering plate is scraped, and the situation that the filtering plate is blocked due to dust accumulation is prevented, so that efficient operation of the air inlet system is guaranteed; the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of variable frequency air compressor, especially relates to a tunnel permanent magnet variable frequency air compressor air inlet system. BACKGROUND

[0002] The tunnel permanent magnet variable frequency air compressor realizes the on-demand adjustment of compressed air output power through the synergistic effect of the permanent magnet synchronous motor and the frequency control technology, significantly reduces the energy consumption on the basis of ensuring the continuous air supply in the tunnel construction or operation, combines the intelligent sensor network to monitor the equipment state in real time and carries out predictive maintenance, has the characteristics of high reliability, low vibration and long service life, and is particularly suitable for the complex tunnel environment with high humidity.

[0003] The tunnel permanent magnet variable frequency air compressor in the prior art still has some problems in use, for example: the dust on the surface of the filter plate cannot be cleaned during air suction, so that the dust will accumulate on the surface of the filter plate after long-term use, thereby causing the filter plate to be blocked, affecting the air inlet efficiency, and the fine particulate matter that has not been filtered will be re-entrained and enter the equipment interior through the gap during the air suction process, thereby accelerating the wear of the equipment interior.

[0004] Therefore, the utility model provides a tunnel permanent magnet variable frequency air compressor air inlet system to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a tunnel permanent magnet variable frequency air compressor air inlet system, which solves the problem of the tunnel permanent magnet variable frequency air compressor in the prior art that cannot clean the surface of the filter plate and cannot reduce the secondary dust caused by airflow turbulence through the cooperation of the filter assembly and the flow guide assembly.

[0006] To solve the above technical problems, the utility model is realized through the following technical schemes.

[0007] The utility model discloses a tunnel permanent magnet variable frequency air compressor air inlet system, which includes a permanent magnet variable frequency air compressor body, a shell is fixedly connected to one side of the permanent magnet variable frequency air compressor body, a filter assembly is arranged in the shell, the filter assembly includes a filter plate, the filter plate is arranged on one side of the permanent magnet variable frequency air compressor body, a transmission motor is fixedly connected to one side of the bottom of the shell, a threaded rod is fixedly connected to the output end of the transmission motor, a cleaning plate is arranged on one side of the threaded rod, a flow guide assembly is arranged on one side of the inner cavity of the shell, the flow guide assembly includes a rotating rod, the rotating rod is rotatably connected to one side of the inner wall of the shell, a flow guide plate is fixedly connected to the surface of the rotating rod, and the flow guide plate is used to guide the flow direction of the airflow.

[0008] The utility model further provides for, the threaded rod surface is connected with the threaded bush, the threaded bush one side is fixedly connected with the moving plate, the moving plate one side is fixedly connected with the cleaning plate one side.

[0009] The utility model further provides for, the shell inner chamber one side is fixedly connected with the vertical rod, the vertical rod surface is connected with the sliding block, the sliding block one side is fixedly connected with the vertical board, the vertical board one side is fixedly connected with the cross rod, the cross rod surface both sides all are rotatably connected with the connecting plate through the pivot, the connecting plate one side is fixedly connected with the rotary rod surface, the vertical rod surface top is equipped with the spring.

[0010] The utility model further provides for, the vertical board one side is fixedly connected with the fixed plate, the fixed plate one side is fixedly connected with the push plate, the push plate top and bottom are contacted with the moving plate top and bottom respectively.

[0011] The utility model further provides for, the permanent magnet variable frequency air compressor body is provided with the ventilation groove, and the filter plate is connected in the ventilation groove through magnetism.

[0012] The utility model further provides for, the shell inner chamber one side is fixedly connected with the limit rod, and the moving plate one side is slidably connected on the limit rod surface.

[0013] The utility model further provides for, the permanent magnet variable frequency air compressor body one side is rotatably connected with the box door through the hinge, and the box door one side is fixedly connected with the controller.

[0014] The utility model has the following beneficial effects.

[0015] 1. The utility model discloses a filter assembly, including filter plate, transmission motor, threaded rod and cleaning plate, realizes the automatic cleaning function of the dust on the filter plate surface, and transmission motor drives threaded rod to drive cleaning plate to move, and the dust on the filter plate surface is scraped, prevents the dust accumulation and leads to the filter plate block, thereby ensures the efficient operation of the air intake system, prolongs the service life of equipment.

[0016] 2. The utility model discloses the design of the flow guide component, including rotary rod and flow guide plate, can effectively guide the flow direction of airflow, reduces airflow turbulence phenomenon, ensures that airflow passes through filter plate smoothly, avoids the secondary dust problem caused by airflow turbulence, prevents fine particulate matter from entering the equipment inside, reduces equipment wear and tear, improves operating stability and reliability. ACCURACY OF DRAWINGS

[0017] In order to make the technical scheme of the embodiments of the utility model more clearly, the following will briefly introduce the drawing needed to be used in the embodiment description.

[0018] Figure 1 It is a kind of tunnel for the perspective drawing of the air intake system of permanent magnet variable frequency air compressor.

[0019] Figure 2 It is an inside structure diagram of the shell of the air inlet system of the permanent magnet variable frequency air compressor for a tunnel.

[0020] Figure 3 It is a structure diagram of the flow guide assembly of the air inlet system of the permanent magnet variable frequency air compressor for a tunnel.

[0021] Figure 4 It is a structure diagram of the filter assembly of the air inlet system of the permanent magnet variable frequency air compressor for a tunnel.

[0022] In the drawings: 1, permanent magnet variable frequency air compressor body; 2, shell; 3, filter plate; 4, transmission motor; 5, threaded rod; 6, cleaning plate; 7, rotating rod; 8, flow guide plate; 9, threaded sleeve; 10, moving plate; 11, vertical rod; 12, sliding block; 13, vertical plate; 14, cross rod; 15, connecting plate; 16, spring; 17, fixed plate; 18, toggle plate; 19, limiting rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4 The utility model discloses a kind of air inlet systems of permanent magnet variable frequency air compressor for tunnel, including permanent magnet variable frequency air compressor body 1, permanent magnet variable frequency air compressor body 1 side fixedly connected with shell 2;Shell 2 inside is provided with filter assembly, filter assembly includes filter plate 3, filter plate 3 is arranged in permanent magnet variable frequency air compressor body 1 side, shell 2 bottom side fixedly connected with transmission motor 4, transmission motor 4 output end is fixedly connected with threaded rod 5, threaded rod 5 side is provided with cleaning plate 6;Shell 2 inner chamber side is provided with flow guide assembly, flow guide assembly includes rotating rod 7, rotating rod 7 is rotatably connected in shell 2 inner wall side, rotating rod 7 surface is fixedly connected with flow guide plate 8, for guiding the flow direction of air flow by flow guide plate 8.

[0026] Specifically: shell 2 can be fixedly supported filter assembly and flow guide assembly, threaded rod 5 top is rotatably connected with shell 2 inner chamber top by rotating shaft, and its bottom is fixedly connected with transmission motor 4 output end, cleaning plate 6 is fixedly connected with air vent inside magnetism by neodymium iron boron permanent magnet, and it can be conveniently disassembled and cleaned after long time use.

[0027] Embodiment 2

[0028] Please refer to Figures 1-4On the basis of embodiment 1, the surface of the threaded rod 5 is threadedly connected with a threaded sleeve 9, one side of the threaded sleeve 9 is fixedly connected with a moving plate 10, one side of the moving plate 10 is fixedly connected with one side of the cleaning plate 6, one side of the inner cavity of the shell 2 is fixedly connected with a vertical rod 11, the surface of the vertical rod 11 is slidingly connected with a sliding block 12, one side of the sliding block 12 is fixedly connected with a vertical plate 13, one side of the vertical plate 13 is fixedly connected with a horizontal rod 14, both sides of the surface of the horizontal rod 14 are rotatably connected with a connecting plate 15 through a rotating shaft, one side of the connecting plate 15 is fixedly connected with the surface of the rotating rod 7, the surface of the vertical rod 11 is sleeved with a spring 16 at the top, one side of the vertical plate 13 is fixedly connected with a fixed plate 17, one side of the fixed plate 17 is fixedly connected with a push plate 18, the top and the bottom of the push plate 18 are in contact with the top and the bottom of the moving plate 10 respectively, the permanent magnet variable frequency air compressor body 1 is provided with a ventilation groove, the filter plate 3 is magnetically connected in the ventilation groove, one side of the inner cavity of the shell 2 is fixedly connected with a limiting rod 19, one side of the moving plate 10 is slidingly connected with the surface of the limiting rod 19, one side of the permanent magnet variable frequency air compressor body 1 is movably connected with a box door through a hinge, one side of the box door is fixedly connected with a controller.

[0029] Specifically: the cleaning plate 6 can effectively clean the surface of the filter plate 3, prevent the problem that the dust is accumulated too much in the local area during use and causes the air suction efficiency to be reduced, the spring 16 is sleeved on the top of the surface of the vertical rod 11, and the top and the bottom thereof are fixedly connected with the top of the inner cavity of the shell 2 and the top of the moving plate 10 respectively, so that the moving plate 10 has stable resetting capacity when moving, the moving plate 10 drives the vertical plate 13 to move vertically through the push plate 18, and then the guide plate 8 is swung, the air flow guiding effect is optimized, and the phenomenon of air flow disorder is reduced, in addition, the design of the box door not only facilitates detection and maintenance of the internal device, but also facilitates disassembly and assembly of the filter plate 3, and the maintenance convenience and operation efficiency of the equipment are improved.

[0030] The working principle of the utility model is as follows: when the permanent magnet variable frequency air compressor runs, the transmission motor 4 starts, drives the threaded rod 5 to rotate, the threaded rod 5 drives the moving plate 10 to move vertically along the limiting rod 19 through the threaded sleeve 9, the cleaning plate 6 on the moving plate 10 moves and contacts the surface of the filter plate 3, and the dust accumulated on the surface of the filter plate 3 is scraped off, this process ensures that the surface of the filter plate 3 is always kept clean, prevents the filter plate 3 from being blocked due to dust accumulation, and thus maintains high efficient air inlet efficiency.

[0031] When the moving plate 10 is in contact with the dial plate 18, the dial plate 18 drives the fixed plate 17 to move, the fixed plate 17 drives the vertical plate 13 to move, the vertical plate 13 drives the connecting plate 15 to move through the horizontal rod 14, the connecting plate 15 drives the rotating rod 7 to rotate, and the rotating rod 7 drives the guide plate 8 to swing, so that the airflow guiding effect is optimized, and airflow turbulence is reduced.

[0032] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A permanent magnet variable frequency air compressor air inlet system for a tunnel, comprising a permanent magnet variable frequency air compressor body (1), characterized in that: The permanent magnet variable frequency air compressor body (1) one side fixedly connected with the shell (2); The filter assembly is arranged in the shell (2), the filter assembly includes filter plate (3), the filter plate (3) is arranged on the side of the permanent magnet variable frequency air compressor body (1), the bottom of the shell (2) is fixedly connected with the transmission motor (4), the transmission motor (4) output end is fixedly connected with the threaded rod (5), the threaded rod (5) one side is provided with the cleaning plate (6); The shell (2) inner cavity one side is provided with guide component, the guide component includes rotating rod (7), the rotating rod (7) is rotatably connected to the inner wall of the shell (2) one side, the rotating rod (7) surface is fixedly connected with the guide plate (8), the guide plate (8) is used for guiding the flow direction of airflow.

2. The air intake system of the permanent-magnet variable-frequency air compressor for tunnels according to claim 1, characterized in that: The threaded rod (5) surface is screw connected with the threaded sleeve (9), the threaded sleeve (9) one side is fixedly connected with the moving plate (10), the moving plate (10) one side is fixedly connected with the cleaning plate (6) one side.

3. The air intake system of the permanent-magnet variable-frequency air compressor for tunnels according to claim 1, characterized in that: The shell (2) inner cavity one side is fixedly connected with the vertical rod (11), the vertical rod (11) surface is slidably connected with the sliding block (12), the sliding block (12) one side is fixedly connected with the vertical plate (13), the vertical plate (13) one side is fixedly connected with the horizontal rod (14), the horizontal rod (14) surface both sides are rotatably connected with the connecting plate (15) through the rotating shaft, the connecting plate (15) one side is fixedly connected with the rotating rod (7) surface, the vertical rod (11) surface top is provided with spring (16).

4. The air intake system of the permanent-magnet variable-frequency air compressor for tunnels according to claim 3, characterized in that: The vertical plate (13) one side is fixedly connected with the fixed plate (17), the fixed plate (17) one side is fixedly connected with the push plate (18), the push plate (18) top and bottom are respectively contacted with the moving plate (10) top and bottom.

5. The air intake system of the permanent-magnet variable-frequency air compressor for tunnels according to claim 1, characterized in that: The permanent magnet variable frequency air compressor body (1) is provided with ventilation groove, the filter plate (3) is connected in the ventilation groove through magnetic.

6. The air intake system of the permanent-magnet variable-frequency air compressor for tunnels according to claim 2, characterized in that: The shell (2) inner cavity one side is fixedly connected with the limit rod (19), the moving plate (10) one side is slidably connected to the surface of the limit rod (19).

7. The air intake system of a permanent-magnet variable-frequency air compressor for a tunnel according to claim 1, characterized in that: The permanent magnet variable frequency air compressor body (1) one side is movably connected with the box door through the hinge, the box door one side is fixedly connected with the controller.

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