Hydrogen detector verification device

Abstract

The utility model discloses a hydrogen detector calibration device, and relates to the technical field of calibration devices. The hydrogen detector verification device comprises a calibration tube and a calibration cover arranged on the calibration tube, the calibration tube is provided with a bending positioning tube, a plurality of groups of metal wires are embedded in the bending positioning tube, a butt joint group is arranged between the calibration cover and the bending positioning tube, the calibration cover is fixedly connected with a protective cover, and a wireless camera is movably clamped in the protective cover. According to the hydrogen detector verification device, through the design of the bending positioning pipe and the cooperation of the metal wire in the bending positioning pipe, the angle positions of the bending positioning pipe and the calibration cover relative to the calibration pipe are convenient to adjust, so that the calibration cover is suitable for verification of a hydrogen detector at an inclined position; and a protective cover and a wireless camera are additionally arranged on the calibration cover, so that visual operation can be realized when some hydrogen detectors which are inconvenient to directly observe are inspected.

Description

Technical Field

[0001] The utility model relates to the technical field of calibration devices, in particular to a hydrogen detector calibration device. Background Art

[0002] At present, hydrogen detection alarm systems are widely used in various production areas. They are an important monitoring method to ensure safe operation in production areas. In order to ensure the stability of hydrogen detectors, regular calibration is required.

[0003] The current calibration device utilizes a hydrogen cylinder connected to a conversion joint, the conversion joint is connected to a calibration tube and a calibration cover, the calibration cover is attached to the position of the hydrogen detector, and the calibrated standard gas source is continuously delivered by the hydrogen cylinder, thereby realizing the calibration of the hydrogen detector. In the prior art, many hydrogen detectors are installed at an inclined position. Currently, a straight-through type is adopted between the calibration tube and the calibration cover, which is not convenient for angle adjustment. As a result, when the inclined hydrogen detector is calibrated, the calibration cover and the detector do not fit well. At the same time, when some hydrogen detectors are installed at positions that are not convenient for direct viewing by the naked eye, it is difficult to realize calibration. In view of the deficiencies in the prior art, the utility model provides a hydrogen detector calibration device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a hydrogen detector calibration device. Through the design of a bending positioning tube and the metal wire inside the bending positioning tube, the angular position of the bending positioning tube and the calibration cover relative to the calibration tube can be conveniently adjusted, so that the calibration cover is suitable for calibrating hydrogen detectors in an inclined position. At the same time, a protective cover and a wireless camera are added to the calibration cover to facilitate visual operation when inspecting hydrogen detectors in positions that are not convenient for direct viewing.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hydrogen detector calibration device, including a calibration tube and a calibration cover arranged on the calibration tube, the calibration tube is provided with a bent positioning tube, and the bent positioning tube has multiple groups of metal wires embedded inside;

[0006] A docking assembly is provided between the calibration cover and the bending positioning tube;

[0007] The calibration cover is fixedly connected with a protective cover, and the interior of the protective cover is movably connected with a wireless camera.

[0008] Preferably, the docking assembly includes a screw tube arranged on the bending positioning tube and a threaded sleeve arranged on the calibration cover, and the threaded sleeve is threadedly connected to the screw tube.

[0009] Preferably, a first rubber ring is sleeved on the outer side of the spiral tube, and a second rubber ring is movably clamped inside the threaded sleeve.

[0010] Preferably, a snap-in assembly corresponding to the wireless camera is provided inside the protective cover, and the snap-in assembly includes a snap-in strip fixedly connected to the inside of the protective cover and screws threadedly connected to both sides of the protective cover, and the wireless camera is movably snap-in between the snap-in strip and the screw.

[0011] Preferably, one end of the screw rod close to the wireless camera is rotatably connected to a clamping plate.

[0012] Preferably, a rotating handle is provided on the screw rod.

[0013] The utility model discloses a hydrogen detector calibration device, which has the following beneficial effects:

[0014] The hydrogen detector calibration device, through the design of a bending positioning tube and the metal wire inside the bending positioning tube, makes it easy to adjust the angle position of the bending positioning tube and the calibration cover relative to the calibration tube, so that the calibration cover is suitable for calibrating hydrogen detectors in an inclined position. At the same time, a protective cover and a wireless camera are added to the calibration cover to facilitate visual operation when inspecting hydrogen detectors in positions that are not convenient for direct viewing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a disassembly diagram of the calibration cover of the utility model;

[0018] Figure 3 It is a cross-sectional view of the bending and positioning tube of the utility model;

[0019] Figure 4 The figure is a disassembly diagram of the wireless camera of the present utility model.

[0020] In the figure: 1. calibration tube; 2. bending positioning tube; 201. screw tube; 2011. first rubber ring; 202. metal wire; 3. calibration cover; 301. threaded sleeve; 3011. second rubber ring; 4. protective cover; 401. clamping strip; 402. wireless camera; 403. screw; 4031. clamping plate; 4032. rotating handle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0022] The embodiment of the present application provides a hydrogen detector calibration device to solve the problem in the prior art that many hydrogen detectors are installed at an inclined position. Currently, a straight-through type is used between the calibration tube and the calibration cover, which is not convenient for angle adjustment. As a result, when calibrating the inclined hydrogen detector, the calibration cover and the detector do not fit well. At the same time, some hydrogen detectors are difficult to calibrate when the installation position is not convenient for direct viewing by the naked eye.

[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] The utility model embodiment discloses a hydrogen detector calibration device, according to the attached Figure 1-4 As shown, it includes a calibration tube 1 and a calibration cover 3 arranged on the calibration tube 1, the calibration tube 1 is provided with a bending positioning tube 2, and the inside of the bending positioning tube 2 is embedded with multiple groups of metal wires 202;

[0025] A docking assembly is provided between the calibration cover 3 and the bending positioning tube 2;

[0026] The calibration cover 3 is fixedly connected with a protective cover 4, and the interior of the protective cover 4 is movably connected with a wireless camera 402.

[0027] Furthermore, the docking assembly includes a screw tube 201 arranged on the bending positioning tube 2 and a threaded sleeve 301 arranged on the calibration cover 3. The threaded sleeve 301 is threadedly connected to the screw tube 201. The docking assembly is convenient for realizing the position docking between the calibration cover 3 and the bending positioning tube 2, so that the calibration cover 3 can be easily replaced according to different hydrogen detectors.

[0028] Furthermore, a first rubber ring 2011 is sleeved on the outer side of the screw tube 201, and a second rubber ring 3011 is movably clamped inside the threaded sleeve 301. When the threaded sleeve 301 is docked with the screw tube 201, the first rubber ring 2011 and the second rubber ring 3011 are clamped respectively, thereby forming a double-layer seal at the connection position between the calibration cover 3 and the bending positioning tube 2, ensuring good sealing between the calibration cover 3 and the bending positioning tube 2 and not easy to leak.

[0029] Specifically, the interior of the protective cover 4 is provided with a snap-on assembly corresponding to the wireless camera 402, and the snap-on assembly includes a clip strip 401 fixedly connected to the interior of the protective cover 4 and screws 403 threadedly connected to both sides of the protective cover 4. The wireless camera 402 is movably snap-on between the clip strip 401 and the screw 403. The wireless camera 402 is convenient to load inside the protective cover 4, so it can be used on demand. When the wireless camera 402 is needed, it is snap-on between the clip strip 401 and the screw 403 to realize visual use.

[0030] Furthermore, one end of the screw rod 403 close to the wireless camera 402 is rotatably connected to a clamping plate 4031, and the clamping plate 4031 is provided to enhance the clamping effect of the screw rod 403 on the wireless camera 402, so that the wireless camera 402 is not easy to loosen after being fixed.

[0031] Furthermore, a rotating handle 4032 is provided on the screw 403, and the rotating handle 4032 makes it easier and more labor-saving to rotate the screw 403. When installing the wireless camera 402, first clamp the wireless camera 402 in the clamping strip 401, and then rotate the screw 403 so that the screw 403 pushes the clamping plate 4031 to clamp the wireless camera 402.

[0032] The hydrogen detector calibration device, through the design of the bending positioning tube 2, cooperates with the metal wire 202 inside the bending positioning tube 2, so that the angular position of the bending positioning tube 2 and the calibration cover 3 relative to the calibration tube 1 can be easily adjusted, so that the calibration cover 3 is suitable for the calibration of hydrogen detectors in an inclined position. At the same time, a protective cover 4 and a wireless camera 402 are added to the calibration cover 3 to facilitate visual operation when inspecting some hydrogen detectors that are not convenient for direct viewing.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hydrogen detector calibration device, comprising a calibration tube (1) and a calibration cover (3) arranged on the calibration tube (1), characterized in that: The calibration tube (1) is provided with a bent positioning tube (2), and the bent positioning tube (2) has multiple groups of metal wires (202) embedded inside. A docking assembly is provided between the calibration cover (3) and the bending positioning tube (2); The calibration cover (3) is fixedly connected to a protective cover (4), and a wireless camera (402) is movably connected inside the protective cover (4).

2. A hydrogen detector calibration device according to claim 1, characterized in that: The docking assembly comprises a screw tube (201) arranged on the bending positioning tube (2) and a threaded sleeve (301) arranged on the calibration cover (3); the threaded sleeve (301) is threadedly connected to the screw tube (201).

3. A hydrogen detector calibration device according to claim 2, characterized in that: A first rubber ring (2011) is sleeved on the outside of the screw tube (201), and a second rubber ring (3011) is movably clamped inside the threaded sleeve (301).

4. A hydrogen detector calibration device according to claim 1, characterized in that: A snap-on assembly corresponding to the wireless camera (402) is provided inside the protective cover (4), the snap-on assembly comprising a snap-on strip (401) fixedly connected to the inside of the protective cover (4) and screw rods (403) threadedly connected to two sides of the protective cover (4), and the wireless camera (402) is movably snap-on between the snap-on strip (401) and the screw rods (403).

5. A hydrogen detector calibration device according to claim 4, characterized in that: One end of the screw rod (403) close to the wireless camera (402) is rotatably connected to a clamping plate (4031).

6. A hydrogen detector calibration device according to claim 5, characterized in that: The screw rod (403) is provided with a rotating handle (4032).

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