CN221198809U

CN221198809U - Sulfur hexafluoride gas leak detector

Info

Publication number: CN221198809U
Application number: CN202323377633.8U
Authority: CN
Inventors: 赵强
Original assignee: Chongqing Yiming Electric Automation Equipment Co ltd
Current assignee: Chongqing Yiming Electric Automation Equipment Co ltd
Filing date: 2023-12-12
Publication date: 2024-06-21
Anticipated expiration: 2033-12-12

Abstract

The utility model relates to the technical field of gas leak detectors, in particular to a sulfur hexafluoride gas leak detector, which comprises a leak detector body, wherein one side of the leak detector body is provided with a connecting pipe in a penetrating manner, one end of the connecting pipe is connected with an air inlet telescopic hose, one end of the air inlet telescopic hose is connected with an air inlet cylinder, and a fixing assembly and a limiting assembly are arranged inside the air inlet cylinder; the fixing component can fix the frame embedded with the dust screen; the limiting component is used for limiting the moving track of the frame embedded with the dust screen. When more dust is accumulated on the dustproof net layer, the engineering personnel can pull the movable rod outwards until the stop post completely exits from the slot, and pull the mounting ring to easily detach the mounting ring, so that the dustproof net layer on the inner side of the mounting ring can be easily cleaned; the fixing mode can easily detach the mounting ring to clean the dust screen layer, so that the detection sensitivity is improved.

Description

Sulfur hexafluoride gas leak detector

Technical Field

The utility model relates to the technical field of gas leak detectors, in particular to a sulfur hexafluoride gas leak detector.

Background

The sulfur hexafluoride gas leak detector is suitable for units such as power supply departments, installation and maintenance units, electric power experiment research institutions, SF6 high-voltage switch factories and the like; the device is a special instrument for detecting leakage of SF6 electrical equipment, and mainly utilizes a gas sensor to detect gas types existing in the environment.

The traditional sulfur hexafluoride gas leak detector can be provided with a dust screen at the opening of the front end of the air inlet pipe when in use, so that dust and flying insects in the air can be prevented from entering the leak detector from the air inlet pipe, the internal circuit is prevented from being damaged by the flying insects, but after the sulfur hexafluoride gas leak detector is used for a long time, the dust screen at the opening of the air inlet pipe is easy to accumulate dust and flying insects, and the detection precision is influenced.

Disclosure of utility model

The application aims to provide a sulfur hexafluoride gas leak detector, which solves the problems that dust and flying insects are easily accumulated on a dust screen at an opening of an air inlet pipe after the leak detector in the prior art is used for a long time, and the detection precision is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sulfur hexafluoride gas leak detector comprises a leak detector body, wherein a connecting pipe is arranged on one side of the leak detector body in a penetrating manner, one end of the connecting pipe is connected with an air inlet telescopic hose, one end of the air inlet telescopic hose is connected with an air inlet cylinder, and a fixing assembly and a limiting assembly are arranged inside the air inlet cylinder; the fixing component can fix the frame embedded with the dust screen; the limiting component is used for limiting the moving track of the frame embedded with the dust screen;

The fixed component comprises a mounting cylinder, a movable rod, a stop column and a telescopic spring, wherein the mounting cylinder is embedded and mounted on the inner side of the air inlet cylinder, one side of the mounting cylinder is provided with the movable rod in a penetrating manner, one end of the movable rod is positioned outside the air inlet cylinder, the stop column is mounted on the other end of the movable rod, and the stop column is positioned inside the air inlet cylinder; one end of the telescopic spring is connected with the inner wall of one side of the mounting cylinder, the other end of the telescopic spring is connected with the stop post, and the telescopic spring is positioned at the outer side of the movable rod;

The utility model discloses a telescopic hose, including the cylinder, the fixed subassembly, the cylinder is installed through the fixed subassembly, the inboard of collar is inlayed and is had the dust screen layer, and the dust screen layer is used for preventing dust and winged insect entering into the inside of the telescopic hose that admits air, the slot has been seted up to the outside symmetry of collar, and the slot matches with the size of locking post.

Preferably, the limiting assembly comprises a limiting groove and a sliding block, wherein the limiting groove is symmetrically formed in the inner surface of the air inlet cylinder, the sliding block is symmetrically arranged on the outer side of the mounting ring, and the sliding block is in sliding connection with the limiting groove.

Preferably, a gas sensor is installed on the inner bottom surface of the connecting pipe in a penetrating manner, the gas sensor is used for detecting the gas type sucked into the air inlet telescopic hose, and the other end of the connecting pipe is connected with the vacuum suction pump through a pipeline.

Preferably, an LCD display is mounted on the top of the leak detector body, and is electrically connected to the gas sensor, and the LCD display is used for displaying data information sensed and transmitted by the gas sensor.

Preferably, a peripheral frame is mounted at the bottom end of the leak detector body, and the peripheral frame is located outside the leak detector body.

Preferably, the bottom of the peripheral frame is symmetrically provided with travelling wheels.

Preferably, the top of peripheral frame is symmetrically run through and is installed the screw rod, and the twist grip is installed on the top of screw rod, and the sucking disc is installed to the bottom of screw rod, and the sucking disc is used for stably adsorbing the ground that this leak detector contacted.

Compared with the prior art, the utility model has the beneficial effects that:

1. When the mounting ring is fixed, an engineering person can pull the movable rod outwards to enable the stop post to move into the mounting cylinder, the telescopic spring is compressed, the sliding block at the outer side of the mounting ring corresponds to the limiting groove on the air inlet cylinder, the mounting ring is pushed inwards until the slot on the mounting ring corresponds to the stop post, at the moment, the movable rod can be loosened, and after the telescopic spring is free from the limitation of external pressure, the elastic restoring force of the telescopic spring drives the stop post to slide into the slot, and at the moment, the mounting ring is fixed; when more dust is accumulated on the dustproof net layer, an engineering person can pull the movable rod outwards until the stop post completely exits from the slot, and pull the mounting ring to easily detach the mounting ring, so that the dustproof net layer on the inner side of the mounting ring can be easily cleaned; the fixing mode can easily detach the mounting ring to clean the dust screen layer, so that the detection sensitivity is improved.

2. According to the utility model, after an engineering person moves the leak detector body to a designated position, the rotating handle can be rotated, the screw rod can be lifted in the peripheral frame by rotating the rotating handle, the lifting of the screw rod can drive the sucking disc to lift together, and the rotating handle is rotated until the sucking disc at the bottom of the screw rod sucks the ground, so that the sulfur hexafluoride gas detector can be kept stable when in use and is not easy to collide.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side cross-sectional view of an intake cylinder of the present utility model;

FIG. 3 is a schematic view of the mounting ring structure of the present utility model;

FIG. 4 is a cross-sectional view of a connecting tube structure of the present utility model;

Fig. 5 is a front cross-sectional view of the peripheral shelf of the present utility model.

In the figure: 1. a leak detector body; 2. a connecting pipe; 3. an intake telescopic hose; 4. an intake cylinder; 5. a limiting groove; 6. a mounting cylinder; 7. a movable rod; 8. a stopper post; 9. a telescopic spring; 10. a mounting ring; 11. a slide block; 12. a slot; 13. a dust-proof screen layer; 14. a gas sensor; 15. an LCD display; 16. a peripheral frame; 17. a walking wheel; 18. a screw; 19. a rotating handle; 20. and a sucking disc.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further explained below with reference to the accompanying drawings 1-5:

Embodiment one: as shown in fig. 1-3, a sulfur hexafluoride gas leak detector comprises a leak detector body 1, wherein a connecting pipe 2 is installed on one side of the leak detector body 1 in a penetrating manner, one end of the connecting pipe 2 is connected with an air inlet telescopic hose 3, one end of the air inlet telescopic hose 3 is connected with an air inlet cylinder 4, and a fixing component and a limiting component are arranged inside the air inlet cylinder 4; the fixing component can fix the frame embedded with the dust screen; the limiting component is used for limiting the moving track of the frame embedded with the dust screen, the fixed component comprises a mounting cylinder 6, a movable rod 7, a stop column 8 and a telescopic spring 9, the mounting cylinder 6 is embedded and mounted on the inner side of the air inlet cylinder 4, one side of the mounting cylinder 6 is provided with the movable rod 7 in a penetrating manner, one end of the movable rod 7 is positioned on the outer side of the air inlet cylinder 4, the stop column 8 is mounted on the other end of the movable rod 7, and the stop column 8 is positioned in the air inlet cylinder 4; One end of the telescopic spring 9 is connected with one side inner wall of the mounting cylinder 6, the other end of the telescopic spring 9 is connected with the stop column 8, the telescopic spring 9 is located on the outer side of the movable rod 7, the mounting ring 10 is mounted on the air inlet cylinder 4 through the fixing component, the dust screen layer 13 is inlaid on the inner side of the mounting ring 10, the dust screen layer 13 is used for preventing dust and winged insects from entering the air inlet telescopic hose 3, the slots 12 are symmetrically formed in the outer side of the mounting ring 10, and the slots 12 are matched with the stop column 8 in size. The leak detector body 1 provides a mounting location for the connection tube 2. The connection pipe 2 provides a mounting location for the intake telescopic hose 3. The intake telescopic hose 3 provides a mounting location for the intake cylinder 4. The intake cylinder 4 provides mounting locations for the securing assembly and the limiting assembly, and provides mounting locations for the mounting cylinder 6 and the limiting slot 5. The mounting cylinder 6 provides a mounting location for the movable rod 7. The movable rod 7 provides a mounting location for the stopper post 8. The mounting ring 10 can be fixed by the cooperation of the stop post 8 and the slot 12. A telescopic spring 9 connects the stopper post 8 and the mounting cylinder 6. The mounting ring 10 provides mounting locations for the slider 11 and dust screen layer 13 and provides an opening location for the slot 12. The co-operation of the slide 11 and the limit groove 5 is such that the mounting ring 10 does not shift when moving inside the inlet cylinder 4, ensuring that the slot 12 and the stop post 8 are on the same axis. The dust screen layer 13 can prevent dust and flying insects from entering the air suction pipe when the leak detector sucks the external air. When the mounting ring 10 is fixed, an engineering person can pull the movable rod 7 outwards to enable the stop post 8 to move into the mounting cylinder 6, the telescopic spring 9 is compressed, the sliding block 11 on the outer side of the mounting ring 10 corresponds to the limiting groove 5 on the air inlet cylinder 4, the mounting ring 10 is pushed inwards until the slot 12 on the mounting ring 10 corresponds to the stop post 8, the movable rod 7 can be loosened at the moment, after the telescopic spring 9 has no limitation of external pressure, the elastic restoring force of the telescopic spring 9 drives the stop post 8 to slide into the slot 12, and the mounting ring 10 is fixed at the moment; When more dust is accumulated on the dustproof net layer 13, an engineer can pull the movable rod 7 outwards until the stop post 8 completely exits the slot 12 and pull the mounting ring 10, so that the mounting ring 10 can be easily detached, and the dustproof net layer 13 on the inner side of the mounting ring 10 can be easily cleaned; the fixing mode can easily detach the mounting ring 10 to clean the dust screen layer 13, and the detection sensitivity is improved.

Embodiment two: as shown in fig. 1 to 5, the limiting assembly comprises a limiting groove 5 and a sliding block 11, the limiting groove 5 is symmetrically arranged on the inner surface of the air inlet cylinder 4, the sliding block 11 is symmetrically arranged on the outer side of the mounting ring 10, the sliding block 11 is in sliding connection with the limiting groove 5, a gas sensor 14 is installed on the inner bottom surface of the connecting pipe 2 in a penetrating mode, the gas sensor 14 is used for detecting the gas type sucked into the air inlet telescopic hose 3, the other end of the connecting pipe 2 is connected with a vacuum suction pump through a pipeline, an LCD display 15 is installed at the top of the leak detector body 1, the LCD display 15 is electrically connected with the gas sensor 14, and the LCD display 15 is used for displaying data information sensed and sent by the gas sensor 14. The leak detector body 1 provides a mounting location for an LCD display 15. The connection pipe 2 provides a mounting position for the gas sensor 14 and can connect the suction pipe with the vacuum suction pump. The gas sensor 14 may sense whether sulfur hexafluoride gas is present. The LCD display 15 may display the currently detected relevant data. When the detector works, the vacuum suction pump sucks gas in a detection area into the inside of the air inlet telescopic hose 3 through the connecting pipe 2, the air inlet telescopic hose 3 and the air inlet cylinder 4, if the gas sensor 14 in the connecting pipe 2 detects leaked sulfur hexafluoride gas, the detection result is sent to the LCD display 15, and the detection result is displayed on the LCD display 15.

Embodiment III: the bottom of leak detector body 1 installs peripheral frame 16, and peripheral frame 16 is located the outside of leak detector body 1, and the bottom symmetry of peripheral frame 16 installs walking wheel 17, and the top symmetry of peripheral frame 16 is run through and is installed screw rod 18, and twist grip 19 is installed on the top of screw rod 18, and sucking disc 20 is installed to the bottom of screw rod 18, and sucking disc 20 is used for the stable ground that adsorbs this leak detector contact. The leak detector body 1 provides a mounting location for the peripheral shelf 16. The peripheral frame 16 provides a mounting location for the road wheels 17 and the screw 18. The travelling wheel 17 facilitates movement of the sulphur hexafluoride gas detector. Screw 18 provides a mounting location for handle 19 and suction cup 20. The handle 19 can facilitate the rotation of the screw 18 by the engineer. The suction cup 20 can suck the contacted ground to stabilize the detector. When the engineering personnel moves the leak detector body 1 to the appointed position, the rotating handle 19 can be rotated, the screw rod 18 can be lifted in the peripheral frame 16 by rotating the rotating handle 19, the screw rod 18 can drive the sucking disc 20 to lift together, and the rotating handle 19 is rotated until the sucking disc 20 at the bottom of the screw rod 18 sucks the ground, so that the sulfur hexafluoride gas detector can be kept stable when in use and is not easy to collide.

Working principle: before the sulfur hexafluoride gas leak detector is used, whether the sulfur hexafluoride gas leak detector has the problem of influencing the use is checked, firstly, the sulfur hexafluoride gas leak detector is placed at a position required to be used, after an engineering person moves the leak detector body 1 to a specified position, the rotating handle 19 can be rotated, the screw rod 18 can be lifted and lowered in the peripheral frame 16 by rotating the rotating handle 19, and the rotating handle 19 is rotated until the sucking disc 20 at the bottom of the screw rod 18 sucks the ground, so that the sulfur hexafluoride gas leak detector can be kept stable in use and is not easy to collide. When the detector works, the vacuum suction pump sucks gas in a detection area through the connecting pipe 2, the air inlet telescopic hose 3 and the air inlet cylinder 4, and if the gas sensor 14 in the connecting pipe 2 detects leaked sulfur hexafluoride gas, the detection result is sent to the LCD display 15 and displayed on the LCD display 15. When the mounting ring 10 is fixed, an engineering person can pull the movable rod 7 outwards to enable the stop post 8 to move into the mounting cylinder 6, the telescopic spring 9 is compressed, the sliding block 11 on the outer side of the mounting ring 10 corresponds to the limiting groove 5 on the air inlet cylinder 4, the mounting ring 10 is pushed inwards until the slot 12 on the mounting ring 10 corresponds to the stop post 8, the movable rod 7 can be loosened at the moment, after the telescopic spring 9 has no limitation of external pressure, the elastic restoring force of the telescopic spring 9 drives the stop post 8 to slide into the slot 12, and the mounting ring 10 is fixed at the moment; when more dust is accumulated on the dustproof net layer 13, an engineer can pull the movable rod 7 outwards until the stop post 8 completely exits the slot 12 and pull the mounting ring 10, so that the mounting ring 10 can be easily detached, and the dustproof net layer 13 on the inner side of the mounting ring 10 can be easily cleaned; the fixing mode can easily detach the mounting ring 10 to clean the dust screen layer 13, and the detection sensitivity is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A sulfur hexafluoride gas leak detector comprising a leak detector body (1), characterized in that: one side of the leak detector body (1) is provided with a connecting pipe (2) in a penetrating manner, one end of the connecting pipe (2) is connected with an air inlet telescopic hose (3), one end of the air inlet telescopic hose (3) is connected with an air inlet cylinder (4), and a fixing component and a limiting component are arranged inside the air inlet cylinder (4); the fixing component can fix the frame embedded with the dust screen; the limiting component is used for limiting the moving track of the frame embedded with the dust screen;

The fixed assembly comprises a mounting cylinder (6), a movable rod (7), a stop column (8) and a telescopic spring (9), wherein the mounting cylinder (6) is embedded and mounted on the inner side of the air inlet cylinder (4), one side of the mounting cylinder (6) is provided with the movable rod (7) in a penetrating manner, one end of the movable rod (7) is positioned on the outer portion of the air inlet cylinder (4), the stop column (8) is mounted on the other end of the movable rod (7), and the stop column (8) is positioned in the air inlet cylinder (4); one end of the telescopic spring (9) is connected with the inner wall of one side of the mounting cylinder (6), the other end of the telescopic spring (9) is connected with the stop column (8), and the telescopic spring (9) is positioned at the outer side of the movable rod (7);

The utility model discloses a telescopic hose, including installation ring (10), fixed subassembly, cylinder (4) are admitted air, install collar (10) through fixed subassembly, the inboard of collar (10) is inlayed and is had dust screen layer (13), and dust screen layer (13) are used for preventing dust and winged insect entering the inside of admitting air telescopic hose (3), slot (12) have been seted up to the outside symmetry of collar (10), and slot (12) and the size phase-match of stopping post (8).

2. A sulfur hexafluoride gas leak detector as defined in claim 1, wherein: the limiting assembly comprises a limiting groove (5) and a sliding block (11), the limiting groove (5) is symmetrically formed in the inner surface of the air inlet cylinder (4), the sliding block (11) is symmetrically arranged on the outer side of the mounting ring (10), and the sliding block (11) is in sliding connection with the limiting groove (5).

3. A sulfur hexafluoride gas leak detector as defined in claim 1, wherein: the gas sensor (14) is installed on the inner bottom surface of the connecting pipe (2) in a penetrating mode, the gas sensor (14) is used for detecting gas types sucked into the air inlet telescopic hose (3), and the other end of the connecting pipe (2) is connected with the vacuum suction pump through a pipeline.

4. A sulfur hexafluoride gas leak detector as defined in claim 1, wherein: an LCD display (15) is arranged at the top of the leak detector body (1), the LCD display (15) is electrically connected with the gas sensor (14), and the LCD display (15) is used for displaying data information sensed and sent by the gas sensor (14).

5. A sulfur hexafluoride gas leak detector as defined in claim 1, wherein: the bottom end of the leak detector body (1) is provided with a peripheral frame (16), and the peripheral frame (16) is positioned on the outer side of the leak detector body (1).

6. A sulfur hexafluoride gas leak detector as defined in claim 5, wherein: the bottom of the peripheral frame (16) is symmetrically provided with travelling wheels (17).

7. A sulfur hexafluoride gas leak detector as defined in claim 5, wherein: the top of peripheral frame (16) symmetry runs through and installs screw rod (18), and twist grip (19) are installed on the top of screw rod (18), and sucking disc (20) are installed to the bottom of screw rod (18), and sucking disc (20) are used for stably adsorbing the ground that this leak detector contacted.