Automatic alarm device for thermal control of power plant

Abstract

The utility model relates to the technical field of power plant thermotechnical control, and discloses an automatic alarm device for power plant thermotechnical control, which comprises a protection box, the protection box is fixedly connected with an automatic alarm device body, the protection box is connected with a filter screen in a clamping manner, the protection box is fixedly connected with a motor, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is fixedly connected with the automatic alarm device body. The threaded rod is in threaded connection with a first moving block, the first moving block is rotationally connected with a brush roller, the brush roller is fixedly connected with a gear, the protection box is fixedly connected with a rack, the rack is meshed with the gear, the brush roller is rotationally connected with a second moving block, the second moving block is provided with a through hole, and the protection box is fixedly connected with a sliding shaft. And the sliding shaft is in sliding connection with the through hole. According to the cleaning device, the brush roller is driven by the motor to move, and the brush roller rotates under the action of the gear and the rack in the moving process, so that the rotating bristles are used for cleaning the filter screen, the labor cost is reduced, and the normal use of the device is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal control of power plants, in particular to an automatic alarm device for thermal control of power plants. Background Art

[0002] With the rapid development of the power industry, the complexity and safety requirements of thermal processes in power plants are increasing. As the core link of power plant operation, the stability and safety of thermal control are directly related to the operating efficiency and economic benefits of the entire power plant.

[0003] Automatic alarm devices are often installed in thermal control systems of power plants. However, due to the high dust concentration in power plants, in order to prevent dust from falling on the probe of the automatic alarm device and affecting the accuracy of detection, the automatic alarm device is usually installed in a protective box with a filter. However, existing automatic alarm devices for thermal control of power plants often cause the filter to be clogged after long-term use, and the filter usually needs to be manually removed for cleaning, which is cumbersome. In addition, the automatic alarm device needs to be inspected and maintained regularly, and most of the existing automatic alarm devices for thermal control of power plants require tools to be disassembled, which increases the workload of maintenance personnel. Therefore, the market needs an automatic alarm device for thermal control of power plants. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an automatic alarm device for thermal control of a power plant.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic alarm device for thermal control of a power plant, comprising a protection box, the protection box is fixedly connected to the automatic alarm device body, the protection box is clamped with a filter, the protection box is fixedly connected to a motor, the output end of the motor is fixedly connected to a threaded rod, the threaded rod is threadedly connected to a moving block one, the moving block one is rotatably connected to a brush roller, the brush roller is fixedly connected to a gear, the protection box is fixedly connected to a rack, the rack is meshed with the gear, the brush roller is rotatably connected to a moving block two, the moving block two is provided with a through hole, the protection box is fixedly connected to a sliding shaft, and the sliding shaft is slidably connected to the through hole.

[0006] As a further description of the above technical solution:

[0007] The protection box is provided with an insertion slot, the filter screen is fixedly connected with a clamping block, and the clamping block is clamped with the insertion slot.

[0008] As a further description of the above technical solution:

[0009] The protection box is fixedly connected with a spring 1, and the spring 1 is fixedly connected with a limiting block.

[0010] As a further description of the above technical solution:

[0011] The protection box is provided with a slide groove 1, and the slide groove 1 is slidably connected with the limit block.

[0012] As a further description of the above technical solution:

[0013] The limit block is fixedly connected with a pull rope, the protection box is fixedly connected with a reversing wheel, and the pull rope is slidably connected with the reversing wheel.

[0014] As a further description of the above technical solution:

[0015] The protection box is provided with a second slide groove, the second slide groove is slidably connected with a button, and the button is fixedly connected with a drawstring.

[0016] As a further description of the above technical solution:

[0017] The limiting block is arranged in the insertion slot.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the brush roller is driven by a motor to move. During the movement of the brush roller, the brush roller is rotated by the gear and the rack, so that the filter is cleaned by the rotating bristles, which prevents the filter from being blocked after long-term use and requiring manual cleaning, reduces labor costs, and ensures the normal use of the automatic alarm device.

[0020] 2. In the utility model, the filter is fixed by clamping the card block with the limit block. When the automatic alarm device body needs to be repaired, the limit block and the card block can be separated by pressing a button, thereby completing the disassembly and repair, avoiding the problem that the staff needs to use tools to disassemble and assemble, and reducing the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of an automatic alarm device for thermal control in a power plant proposed by the utility model;

[0022] Figure 2 This is a partial structural diagram of an automatic alarm device for thermal control in a power plant proposed by the utility model. Figure 1 ;

[0023] Figure 3 This is a partial structural diagram of an automatic alarm device for thermal control in a power plant proposed by the utility model. Figure 2 ;

[0024] Figure 4This is a partial structural cross-sectional view of an automatic alarm device for thermal control in a power plant proposed by the utility model;

[0025] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0026] Figure 6 for Figure 4 Enlarged view of point B in the middle.

[0027] Legend:

[0028] 1. Protective box; 2. Automatic alarm device body; 3. Filter; 4. Motor; 5. Threaded rod; 6. Moving block 1; 7. Brush roller; 8. Gear; 9. Rack; 10. Moving block 2; 11. Through hole; 12. Sliding shaft; 13. Insert slot; 14. Block; 15. Limit block; 16. Slide slot 1; 17. Spring 1; 18. Reversing wheel; 19. Pull rope; 20. Button; 21. Slide slot 2. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-Figure 6 The utility model provides an embodiment: an automatic alarm device for thermal control in a power plant, comprising a protection box 1, the protection box 1 is fixedly connected with an automatic alarm device body 2, the protection box 1 is clamped with a filter screen 3, the protection box 1 is fixedly connected with a motor 4, the output end of the motor 4 is fixedly connected with a threaded rod 5, the threaded rod 5 is threadedly connected with a moving block 6, the moving block 6 is rotatably connected with a brush roller 7, the brush roller 7 is fixedly connected with a gear 8, the protection box 1 is fixedly connected with a rack 9, the rack 9 is meshed with the gear 8, the brush roller 7 is rotatably connected with a moving block 2 10, the moving block 2 10 is provided with a through hole 11, the protection box 1 is fixedly connected with a sliding shaft 12, the sliding shaft 12 is slidably connected with the through hole 11, the brush roller 7 is driven to move by the motor 4, and the brush roller 7 is rotated by the gear 8 and the rack 9 during the movement, so that the rotating bristles are used to clean the filter screen 3, so as to prevent the filter screen 3 from being blocked after long-term use and requiring manual cleaning, thereby reducing labor costs and ensuring the normal use of the automatic alarm device.

[0031] The protection box 1 is provided with an insertion slot 13, the filter screen 3 is fixedly connected with a card block 14, the card block 14 is clamped with the insertion slot 13, the protection box 1 is fixedly connected with a spring 17, the spring 17 is fixedly connected with a limit block 15, the protection box 1 is provided with a slide slot 16, the slide slot 16 is slidably connected with the limit block 15, the limit block 15 is fixedly connected with a pull rope 19, the protection box 1 is fixedly connected with a reversing wheel 18, the pull rope 19 is slidably connected with the reversing wheel 18, the protection box 1 is provided with a slide slot 21, the slide slot 21 is slidably connected with a button 20, the button 20 is fixedly connected with the pull rope 19, the limit block 15 is arranged in the insertion slot 13, the card block 14 is clamped by the limit block 15 to complete the fixing of the filter screen 3, when the automatic alarm device body 2 needs to be inspected and repaired, only the button 20 needs to be pressed to disengage the limit block 15 from the card block 14, thereby completing the disassembly and inspection, avoiding the problem that the staff can only disassemble and assemble with tools, and reducing the labor of the staff.

[0032] Working principle: first, the user starts the motor 4, the motor 4 drives the threaded rod 5, the threaded rod 5 drives the moving block 6 to move, the moving block 6 drives the brush roller 7 to move, the brush roller 7 drives the moving block 2 10 to move along the sliding shaft 12, the sliding shaft 12 restricts the moving block 6 from rotating, the brush roller 7 drives the gear 8 to move, the gear 8 meshes with the rack 9 during the movement and rotates, the gear 8 drives the brush roller 7 to rotate, so that the rotating bristles brush the filter 3 to clean it, preventing the filter 3 from being blocked after long-term use and requiring manual cleaning, reducing labor costs, and ensuring the normal use of the automatic alarm device, and then, when maintenance is needed, When the automatic alarm device body 2 is in operation, the user only needs to press the buttons 20 on both sides, the buttons 20 pull the pull rope 19, and the pull rope 19 pulls the limit block 15 to slide along the slide groove 16, so that the limit block 15 is disengaged from the card block 14, so that the card block 14 is no longer stuck. At this point, the card block 14 can be removed and can be disassembled for maintenance without using tools, which reduces the labor of the staff. Finally, after the staff completes the maintenance, the card block 14 is inserted into the insertion groove 13, and the card block 14 pushes the card block 14 to slide along the slide groove 16. After the card block 14 is fully inserted, the limit block 15 is reset by the elastic force of the spring 17 to jam the card block 14. At this point, the installation is completed.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic alarm device for thermal control in a power plant, comprising a protection box (1), characterized in that: The protection box (1) is fixedly connected to an automatic alarm device body (2), the protection box (1) is clamped with a filter (3), the protection box (1) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a threaded rod (5), the threaded rod (5) is threadedly connected to a moving block (6), the moving block (6) is rotatably connected to a brush roller (7), the brush roller (7) is fixedly connected to a gear (8), the protection box (1) is fixedly connected to a rack (9), the rack (9) is meshed with the gear (8), the brush roller (7) is rotatably connected to a moving block (10), the moving block (10) is provided with a through hole (11), the protection box (1) is fixedly connected to a sliding shaft (12), and the sliding shaft (12) is slidably connected to the through hole (11).

2. The automatic alarm device for thermal control of a power plant according to claim 1, characterized in that: The protection box (1) is provided with an insertion slot (13), the filter screen (3) is fixedly connected with a clamping block (14), and the clamping block (14) is clamped with the insertion slot (13).

3. The automatic alarm device for thermal control of a power plant according to claim 2 is characterized in that: The protection box (1) is fixedly connected to a spring 1 (17), and the spring 1 (17) is fixedly connected to a limiting block (15).

4. The automatic alarm device for thermal control of a power plant according to claim 3 is characterized by: The protection box (1) is provided with a slide groove (16), and the slide groove (16) is slidably connected to the limit block (15).

5. The automatic alarm device for thermal control of a power plant according to claim 4 is characterized in that: The limit block (15) is fixedly connected to a pull rope (19), the protection box (1) is fixedly connected to a reversing wheel (18), and the pull rope (19) is slidably connected to the reversing wheel (18).

6. The automatic alarm device for thermal control of a power plant according to claim 5, characterized in that: The protection box (1) is provided with a second slide groove (21), the second slide groove (21) is slidably connected with a button (20), and the button (20) is fixedly connected to the pull rope (19).

7. The automatic alarm device for thermal control of a power plant according to claim 6, characterized in that: The limiting block (15) is arranged in the insertion groove (13).

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