Sulfur hexafluoride concentration monitoring mechanism

Abstract

The utility model discloses a sulfur hexafluoride concentration monitoring mechanism which comprises a device main body, an air vent is formed outside the device main body, a suction nozzle is fixedly connected outside the device main body, a sliding plate is slidably connected inside the device main body, an exhaust device is fixedly connected to the upper side of the device main body, and an exhaust pipe is fixedly connected to the lower side of the exhaust device. Two groups of symmetrically arranged fixing plates are fixedly connected to the bottom of the device main body, a winding column is rotatably connected between the two groups of fixing plates, a pull rope is fixedly connected between the winding column and the sliding plate, a handle is rotatably connected to the outside of the fixing plate, a mounting groove is formed in the device main body, and a concentration detection device is mounted in the mounting groove. According to the device, gas can be automatically sucked through the negative pressure principle to detect the concentration of sulfur hexafluoride, a worker does not need to hold an instrument by hand for detection, the collected gas can be automatically discharged after detection is completed, a detection area is cleaned, and errors occurring in next detection are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas concentration detection, in particular to a sulfur hexafluoride concentration monitoring mechanism. Background Art

[0002] Sulfur hexafluoride is colorless and odorless, has good thermal and chemical stability, excellent electrical insulation and arc extinguishing properties, so it is widely used in electrical equipment, which greatly improves the safety and reliability of the equipment. Its use has the advantages of reducing the size of high-voltage electrical equipment, reducing equipment weight, increasing the breaking capacity of electrical equipment, and reducing maintenance workload.

[0003] However, sulfur hexafluoride is also a gas that is harmful to the human body. When sulfur hexafluoride leaks and reaches a certain concentration, it will cause breathing difficulties, numbness of the limbs, and even suffocation and death. Therefore, sulfur hexafluoride needs to be monitored. However, the current monitoring method for sulfur hexafluoride is mainly manual on-site monitoring with handheld monitoring instruments. The gas is colorless and odorless, and it is easy for safety accidents to occur when staff conduct on-site monitoring. Therefore, in response to the above technical problems, a sulfur hexafluoride concentration monitoring mechanism is proposed. Utility Model Content

[0004] The utility model aims to provide a sulfur hexafluoride concentration monitoring mechanism, which can automatically inhale gas to detect the sulfur hexafluoride concentration through the negative pressure principle, without the need for manual handheld instruments for detection, and can automatically discharge the collected gas after the detection is completed, and clean the detection area to reduce the error in the next detection.

[0005] The utility model is realized by the following technical solutions:

[0006] A sulfur hexafluoride concentration monitoring mechanism comprises a device body, wherein a vent is provided on the outside of the device body, a suction nozzle is fixedly connected to the outside of the device body, and the suction nozzle covers the vent, a slide is slidably connected to the inside of the device body, an exhaust device is fixedly connected to the upper side of the device body, and the exhaust device is located on a side away from the suction nozzle, an exhaust pipe is fixedly connected to the lower side of the exhaust device, and the exhaust pipe extends into the device body, two groups of symmetrically arranged fixing plates are fixedly connected to the bottom of the device body, a winding column is rotatably connected between the two groups of the fixing plates, a pull rope is fixedly connected between the winding column and the slide board, and the pull rope passes through the outer wall of the device body and is slidably connected to the device body, a handle is rotatably connected to the outside of the fixing plate, and the handle is fixedly connected to the winding column, an installation groove is provided inside the device body, and the installation groove is located on a side close to the suction nozzle, and a concentration detection device is installed inside the installation groove.

[0007] Preferably, the installation slots are provided on left and right sides of the device body.

[0008] Preferably, a telescopic rod and a spring are fixedly connected between the slide plate and the device body, and the spring is sleeved on the outside of the telescopic rod, and the telescopic rod and the spring are installed on the side away from the suction nozzle.

[0009] Preferably, the outside of the slide plate is fixedly connected with a connecting rod, the end of the connecting rod is fixedly connected with a cleaning structure, and the cleaning structure is slidably connected to the device body, and the cleaning structure is located on the side close to the suction nozzle.

[0010] Preferably, the cleaning structure is a hollow rectangular frame structure, and the cleaning structure is made of a sponge absorbent material.

[0011] Preferably, a liquid storage tank is fixedly connected to the outside of the device body, and the liquid storage tank is located at the upper part of the device body. A conveying device is fixedly connected to the inside of the liquid storage tank. A hose is fixedly connected between the conveying device and the cleaning structure, and the hose can be bent arbitrarily.

[0012] Preferably, a mounting plate is fixedly connected to the rear side of the device body, and a mounting hole is provided on the outside of the mounting plate.

[0013] The technical solution of the utility model has at least the following beneficial effects:

[0014] The utility model provides a sulfur hexafluoride concentration monitoring mechanism, which divides the interior of the device body into two areas through a slide plate, and can create a vacuum area through an exhaust device. Through the negative pressure principle, the slide plate can be pulled to automatically inhale gas to detect the sulfur hexafluoride concentration, and no manual handheld instrument is needed for detection. After the detection is completed, the collected gas can be automatically discharged through spring rebound, and the detection area can be cleaned through a cleaning structure to reduce errors in the next detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 for Figure 1 A magnified view of middle;

[0018] Figure 4 for Figure 2 Enlarged view of middle B;

[0019] Figure 5 for Figure 2 Enlarged view of middle C;

[0020] Figure 6It is a second overall structural schematic diagram of the utility model;

[0021] Figure 7 for Figure 6 Enlarged view of middle D;

[0022] Figure 8 It is a schematic diagram of the partial internal structure of the utility model;

[0023] Fig. 9 for Figure 8 Enlarged view of E in the middle;

[0024] Icons: 1. Device body; 2. Vent; 3. Nozzle; 4. Slide plate; 5. Exhaust device; 6. Exhaust pipe; 7. Fixing plate; 8. Winding column; 9. Pull rope; 10. Handle; 11. Mounting slot; 12. Concentration detection device; 13. Telescopic rod; 14. Spring; 15. Connecting rod; 16. Cleaning structure; 17. Liquid storage tank; 18. Conveying device; 19. Hose; 20. Mounting plate; 21. Mounting hole. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-9 The utility model proposes a sulfur hexafluoride concentration monitoring mechanism, including a device body 1, a vent 2 is opened on the outside of the device body 1, a suction nozzle 3 is fixedly connected to the outside of the device body 1, and the suction nozzle 3 covers the vent 2, a slide plate 4 is slidably connected to the inside of the device body 1, an exhaust device 5 is fixedly connected to the upper side of the device body 1, and the exhaust device 5 is located on the side away from the suction nozzle 3, an exhaust pipe 6 is fixedly connected to the lower side of the exhaust device 5, and the exhaust pipe 6 extends into the device body 1, and the bottom of the device body 1 is fixedly connected to two sets of A fixed plate 7 is arranged therein, a winding column 8 is rotatably connected between the two groups of fixed plates 7, a pull rope 9 is fixedly connected between the winding column 8 and the slide plate 4, and the pull rope 9 passes through the outer wall of the device body 1 and is slidably connected to the device body 1, a handle 10 is rotatably connected to the outside of the fixed plate 7, and the handle 10 is fixedly connected to the winding column 8, an installation groove 11 is opened inside the device body 1, and the installation groove 11 is located on the side close to the suction nozzle 3, a concentration detection device 12 is installed inside the installation groove 11, and the model of the concentration detection device 12 is TIF XP-1A gas leak detector.

[0027] The mounting grooves 11 are provided on the left and right sides of the device body 1, so that all-round gas detection can be performed and detection errors can be reduced.

[0028] A telescopic rod 13 and a spring 14 are fixedly connected between the slide plate 4 and the device body 1, and the spring 14 is sleeved on the outside of the telescopic rod 13. The telescopic rod 13 and the spring 14 are installed on the side away from the suction nozzle 3. The spring 14 is provided to facilitate the rebound of the slide plate 4 to achieve the discharge of gas.

[0029] The outside of the slide plate 4 is fixedly connected to a connecting rod 15, the end of the connecting rod 15 is fixedly connected to a cleaning structure 16, and the cleaning structure 16 is slidably connected to the device body 1. The cleaning structure 16 is located on the side close to the suction nozzle 3. The connecting rod 15 can enable the cleaning structure 16 to follow the slide plate 4 to slide and scrape the inner wall of the device body 1.

[0030] The cleaning structure 16 is a hollow rectangular frame structure, and the cleaning structure 16 is made of a sponge absorbent material.

[0031] The outside of the device body 1 is fixedly connected to a liquid storage tank body 17, and the liquid storage tank body 17 is located in the upper part of the device body 1. The inside of the liquid storage tank body 17 is fixedly connected to a conveying device 18. A hose 19 is fixedly connected between the conveying device 18 and the cleaning structure 16, and the hose 19 can be bent arbitrarily.

[0032] A mounting plate 20 is fixedly connected to the rear side of the device body 1 , and a mounting hole 21 is provided on the outside of the mounting plate 20 . The device can be installed in a target detection device through the mounting plate 20 and the mounting hole 21 .

[0033] The working principle of a sulfur hexafluoride concentration monitoring mechanism based on the embodiment is that when it is necessary to detect the sulfur hexafluoride concentration of the air in a certain device, the inside of the device body 1 is first divided into two areas by the slide plate 4, and the exhaust device 5 is operated to exhaust the area away from the suction nozzle 3 through the exhaust pipe 6 to create a vacuum area. In this process, the handle 10 is held tightly to prevent the slide plate 4 from sliding. Then, according to the negative pressure principle, the handle 10 is turned to make the winding column 8 wind the pull rope 9, so that the slide plate 4 can be pulled, and the gas can be automatically inhaled through the suction nozzle 3. At the same time, the spring 14 is compressed, and the concentration detection device 1 in the installation groove 11 is connected to the concentration detection device 1 in the installation groove 11. 2 for detecting the concentration of sulfur hexafluoride, it is possible to achieve detection without manual handheld instruments, and after the detection is completed, the slide plate 4 can be automatically reset and rebounded by the rebound of the spring 14 and the negative pressure in the vacuum area, and the collected gas can be automatically discharged, and in this process, the conveying device 18 can be controlled to convey the clean water or disinfectant in the liquid storage tank 17 to the cleaning structure 16 through the hose 19. Since the cleaning structure 16 is supported by a water-absorbing material such as a sponge, it can be adsorbed, and the inner wall of the device body 1 in the monitoring area can be scraped and washed by sliding with the slide plate 4, so as to ensure internal cleanliness and reduce errors in the next detection.

[0034] 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 sulfur hexafluoride concentration monitoring mechanism, characterized in that: The device comprises a device body (1), the outside of the device body (1) is provided with a vent (2), the outside of the device body (1) is fixedly connected to a suction nozzle (3), and the suction nozzle (3) covers the vent (2), the inside of the device body (1) is slidably connected to a slide plate (4), the upper side of the device body (1) is fixedly connected to an exhaust device (5), and the exhaust device (5) is located on a side away from the suction nozzle (3), the lower side of the exhaust device (5) is fixedly connected to an exhaust pipe (6), and the exhaust pipe (6) extends into the device body (1), and the bottom of the device body (1) is fixedly connected to two groups of symmetrically arranged A fixing plate (7) is provided, a winding column (8) is rotatably connected between the two groups of fixing plates (7), a pull rope (9) is fixedly connected between the winding column (8) and the slide plate (4), and the pull rope (9) passes through the outer wall of the device body (1) and is slidably connected to the device body (1), a handle (10) is rotatably connected to the outside of the fixing plate (7), and the handle (10) is fixedly connected to the winding column (8), an installation groove (11) is provided inside the device body (1), and the installation groove (11) is located on a side close to the suction nozzle (3), and a concentration detection device (12) is installed inside the installation groove (11).

2. A sulfur hexafluoride concentration monitoring mechanism according to claim 1, characterized in that: The installation groove (11) is arranged on the left and right sides of the inside of the device body (1).

3. A sulfur hexafluoride concentration monitoring mechanism according to claim 1, characterized in that: A telescopic rod (13) and a spring (14) are fixedly connected between the slide plate (4) and the device body (1), and the spring (14) is sleeved on the outside of the telescopic rod (13). The telescopic rod (13) and the spring (14) are installed on a side away from the suction nozzle (3).

4. A sulfur hexafluoride concentration monitoring mechanism according to claim 1, characterized in that: The outside of the slide plate (4) is fixedly connected to a connecting rod (15), the end of the connecting rod (15) is fixedly connected to a cleaning structure (16), and the cleaning structure (16) is slidably connected to the device body (1), and the cleaning structure (16) is located on a side close to the suction nozzle (3).

5. A sulfur hexafluoride concentration monitoring mechanism according to claim 4, characterized in that: The cleaning structure (16) is a hollow rectangular frame structure, and the cleaning structure (16) is made of a sponge water-absorbing material.

6. A sulfur hexafluoride concentration monitoring mechanism according to claim 4, characterized in that: The outside of the device body (1) is fixedly connected to a liquid storage tank (17), and the liquid storage tank (17) is located at the upper part of the device body (1). The inside of the liquid storage tank (17) is fixedly connected to a conveying device (18). A hose (19) is fixedly connected between the conveying device (18) and the cleaning structure (16), and the hose (19) can be bent arbitrarily.

7. A sulfur hexafluoride concentration monitoring mechanism according to claim 1, characterized in that: A mounting plate (20) is fixedly connected to the rear side of the device body (1), and a mounting hole (21) is provided on the outside of the mounting plate (20).

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