Methane sensor verification and inspection device

Abstract

The utility model discloses a methane sensor verification and inspection device which comprises a methane sensor verification and inspection structure, and a movable clamping structure is arranged on the lower side of the methane sensor verification and inspection structure and used for clamping and fixing a methane sensor and automatically sealing the methane sensor. A waste gas recovery assembly is arranged on one side of the movable clamping structure and used for collecting and storing used methane gas, the methane sensor verification and inspection structure comprises a detection box, the detection box telescopically adjusts a second supporting plate through a telescopic structure, and a supporting limiting assembly is fixed to the detection box and used for supporting and clamping a gas storage tank. The gas storage tank is communicated with the glass rotameter body through a first gas conveying pipe, the glass rotameter body is communicated with the first gas inlet pipe through a second gas conveying pipe, and the first gas inlet pipe is connected with the sealed methane sensor through an automatic connecting assembly fixed to the second supporting plate. A methane sensor verification and inspection structure is arranged, and the automatic connecting assembly automatically moves the first gas inlet pipe and communicates with the methane sensor in a sealed mode.

Description

Technical Field

[0001] The utility model relates to the technical field of methane sensors, in particular to a methane sensor verification and testing device. Background Art

[0002] Methane sensors are used in coal mine safety detection systems to continuously monitor methane concentrations in coal mine shafts, mining faces, goafs, return air tunnels, electromechanical chambers, etc. After production, methane sensors need to be tested to see if they can work normally. Currently, methane sensors are manually operated methane sensor calibration and inspection devices. If a large number of methane sensors are tested simultaneously, the entire detection time is long and the efficiency is low. In addition, manual operation is easily affected by the external environment, which affects the accuracy of the inspection data. Utility Model Content

[0003] The purpose of the utility model is to provide a methane sensor calibration and testing device to solve the problems proposed in the above-mentioned background technology that a large number of methane sensors are tested simultaneously, the entire test time is long, the efficiency is low, and the human operation is easily affected by the external environment, thus affecting the accuracy of the inspection data.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a methane sensor calibration and testing device, including a methane sensor calibration and testing structure, a mobile clamping structure is arranged on the lower side of the methane sensor calibration and testing structure and is used to clamp and fix the methane sensor and automatically seal the methane sensor, a waste gas recovery component is arranged on one side of the mobile clamping structure and is used to collect and store the methane gas after use, the methane sensor calibration and testing structure includes a detection box, the detection box is telescopically adjusted by a telescopic structure of the second support plate, the detection box is fixed with a support limit assembly and is used to support and clamp the gas storage tank, the gas storage tank is connected to the glass rotor flowmeter body through a first gas supply pipe, the glass rotor flowmeter body is connected to the first air inlet pipe through a second gas supply pipe, and the first air inlet pipe is connected to the sealed methane sensor through an automatic connection assembly fixed on the second support plate.

[0005] Preferably, the support and limiting assembly comprises a first support plate, the first support plate is arranged between the first fixing plates, and the first fixing plate adjusts the position of the first clamping plate by telescopic structure.

[0006] By adopting the above technical solution, gas storage tanks of different diameters are limited and fixed by setting the support and limiting components.

[0007] Preferably, the automatic connection component comprises a manipulator, and a mechanical gripper is fixed at one end of the manipulator.

[0008] By adopting the above technical solution, the first air intake pipe is moved by the automatic connection component.

[0009] Preferably, the mobile clamping structure includes a mobile component, a clamping component is fixed on the mobile component and is used to clamp the methane sensor, the clamping component includes a second fixed plate, and the second fixed plate is telescopically adjusted in position by a telescopic structure.

[0010] By adopting the above technical solution, methane sensors of different volumes are clamped and fixed by setting a clamping assembly.

[0011] Preferably, the moving assembly comprises a gear, and the gear is snap-connected to a driving rack fixed on the sliding plate.

[0012] By adopting the above technical solution, the methane sensor on the sliding plate is moved by setting a moving component.

[0013] Preferably, the exhaust gas recovery assembly includes a second air intake pipe, which is embedded in the storage box and connected to the exhaust gas storage tank via a third air supply pipe.

[0014] By adopting the above technical solution, the used methane is recovered and stored by setting up a waste gas recovery unit.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the methane sensor verification and testing device

[0016] (1) A methane sensor verification and inspection structure is provided, and multiple groups of automatic connection components automatically move multiple groups of first air intake pipes and seal and connect them with the methane sensor. The entire operation does not require manual operation, avoiding the influence of the external environment and affecting the detection quality of the methane sensor. In addition, multiple groups of first air intake pipes work simultaneously, shortening the efficiency of the entire methane sensor verification and inspection work;

[0017] (2) A mobile clamping structure and an exhaust gas recovery assembly are provided. With the assistance of the mobile assembly, the sliding plate is moved out of the detection box to facilitate the staff to place methane sensors of different shapes between the clamping assemblies and perform limit clamping, thereby increasing practicality. In addition, the exhaust gas after use is stored and recovered through the exhaust gas recovery assembly to prevent methane from entering the operating environment and affecting the quality of the operating environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a rear view structural diagram of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the support and limit assembly of the utility model.

[0022] In the figure: 1. Methane sensor calibration and inspection structure; 11. Detection box; 12. Support and limit assembly; 121. First support plate; 122. First fixed plate; 123. First clamping plate; 13. Gas storage tank; 14. First gas pipeline; 15. Glass rotor flowmeter body; 16. Second gas pipeline; 17. First air inlet pipe; 18. Second support plate; 19. Automatic connection assembly; 191. Robot; 192. Robot gripper; 2. Mobile clamping structure; 21. Mobile assembly; 211. Gear; 212. Drive rack; 213. Sliding plate; 22. Clamping assembly; 221. Second fixed plate; 222. Second clamping plate; 3. Waste gas recovery assembly; 31. Second air inlet pipe; 32. Third gas pipeline; 33. Waste gas storage tank; 34. Storage box. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a methane sensor verification and testing device such as Figure 1 , Figure 2 and Figure 4 As shown, it includes a methane sensor verification and inspection structure 1, which includes a detection box 11. The detection box 11 is telescopically adjusted to adjust the second support plate 18 through a telescopic structure. The detection box 11 is fixed with a support limit assembly 12 and is used to support and clamp a gas storage tank 13. The gas storage tank 13 is connected to a glass rotor flowmeter body 15 through a first gas delivery pipe 14. The glass rotor flowmeter body 15 is connected to a first air inlet pipe 17 through a second gas delivery pipe 16. The first air inlet pipe 17 is connected to a sealed methane sensor through an automatic connection assembly 19 fixed on the second support plate 18;

[0025] Preferably, the telescopic structure provided on the detection box 11 is a hydraulic cylinder, which is a prior art. Five groups of support and limit assemblies 12 are evenly distributed on the upper side of the detection box 11, and each group of support and limit assemblies 12 is provided with three. The hydraulic cylinder on the detection box 11 drives the first air inlet pipe 17 on the second support plate 18 to adjust the height through the hydraulic rod. A small camera module is embedded on the lower side of the second support plate 18. The small camera module films the entire connection operation and transmits the image to the PLC for storage, which is convenient for comparison in case of problems later. The data after the methane sensor verification and inspection is displayed on the display screen embedded on the front side of the detection box 11, which is convenient for staff to observe. Five groups of automatic connection assemblies 19 are evenly distributed on the second support plate 18;

[0026] Specifically, the support and limit assembly 12 includes a first support plate 121, which is arranged between the first fixing plates 122, and the first fixing plate 122 adjusts the position of the first clamping plate 123 through a telescopic structure, wherein an arc groove is provided on the first support plate 121, and the telescopic structure on the first support plate 121 is an electric telescopic rod, and the gas storage tanks 13 of different volumes are limited and fixed by the first clamping plate 123 under the auxiliary action of the electric telescopic rod on the first support plate 121;

[0027] Further preferably, the automatic connection component 19 includes a manipulator 191, and a mechanical gripper 192 is fixed at one end of the manipulator 191, wherein a rotator body is embedded on the lower side of the second support plate 18, and the manipulator 191 is fixed on the rotator body;

[0028] In the above scheme, with the assistance of the mechanical gripper 192 on the manipulator 191, the first air inlet pipe 17 is passed through the methane sensor, and the support and limit assembly 12 on the detection box 11 supports and limits the gas storage tank 13. The methane in the gas storage tank 13 enters the glass rotor flowmeter body 15 through the first gas pipe 14, and the gas finally enters the methane sensor through the second gas pipe 16 and the first air inlet pipe 17 for detection.

[0029] like Figure 1 , Figure 2 and Figure 3 As shown, the mobile clamping structure 2 includes a mobile component 21, a clamping component 22 is fixed on the mobile component 21 and is used to clamp the methane sensor, the clamping component 22 includes a second fixed plate 221, and the second fixed plate 221 adjusts the position of the second clamping plate 222 through a telescopic structure, wherein the mobile component 21 includes a gear 211, the gear 211 is engaged and connected to a driving rack 212 fixed on a sliding plate 213, the motor fixed on the detection box 11 drives the gear 211 to rotate, and the gear 211 rotates to drive the sliding plate 213 to move out of the detection box 11 through the driving rack 212, so that the staff can replace different types of methane sensors, and five groups of clamping components 22 are evenly distributed on the sliding plate 213;

[0030] Preferably, the sliding plate 213 is penetrated by a strip hole, and later the first air intake pipe 17 penetrates the hole and communicates with the exhaust gas recovery unit 3;

[0031] Specifically, four groups of second fixed plates 221 are provided, and the hydraulic cylinders on the four groups of second fixed plates 221 drive the second clamping plates 222 to move relatively through four groups of hydraulic rods, and finally limit and clamp the methane sensors of different volumes to prevent the methane sensors from moving and affecting the normal calibration and inspection processing of the methane sensors.

[0032] like Figure 1 and Figure 2 As shown, the exhaust gas recovery unit 3 includes a second air intake pipe 31, which is embedded in the storage box 34, and the second air intake pipe 31 is connected to the exhaust gas storage tank 33 through a third air delivery pipe 32;

[0033] Specifically, five groups of waste gas storage tanks 33 are evenly distributed in the storage box 34;

[0034] In the above scheme, after the methane sensor calibration and inspection is completed, the first intake pipe 17 is passed through the strip hole on the sliding plate 213 with the assistance of the automatic connection component 19, and finally sealed with the second intake pipe 31. A sealing ring is arranged between the second intake pipe 31 and the first intake pipe 17 to prevent gas leakage. With the assistance of the methane booster pump on the second gas pipeline 16, the used methane is stored in the waste gas storage tank 33, which is convenient for later recycling and reuse, avoiding waste and increasing costs.

[0035] Working principle: When using the methane sensor calibration and testing device, connect the external power supply, move the clamping structure 2 to clamp and fix the methane sensor, and calibrate and test the methane sensor through the methane sensor calibration and testing structure 1, and finally store the exhaust gas in the exhaust gas recovery unit 3.

[0036] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A methane sensor verification and testing device, comprising a methane sensor verification and testing structure (1), a mobile clamping structure (2) is arranged at the lower side of the methane sensor verification and testing structure (1) and is used to clamp and fix the methane sensor and automatically seal the methane sensor, and a waste gas recovery unit (3) is arranged at one side of the mobile clamping structure (2) and is used to collect and store the used methane gas, characterized in that: The methane sensor verification and testing structure (1) comprises a detection box (11), the detection box (11) is telescopically adjustable through a telescopic structure for a second support plate (18), a support limit assembly (12) is fixed on the detection box (11) and is used to support and clamp a gas storage tank (13), the gas storage tank (13) is connected to a glass rotor flowmeter body (15) through a first gas supply pipe (14), the glass rotor flowmeter body (15) is connected to a first air inlet pipe (17) through a second gas supply pipe (16), and the first air inlet pipe (17) is connected to a sealed methane sensor through an automatic connection assembly (19) fixed on the second support plate (18).

2. The methane sensor verification and testing device according to claim 1 is characterized in that: The support and limiting assembly (12) comprises a first support plate (121), wherein the first support plate (121) is arranged between first fixing plates (122), and the first fixing plate (122) is telescopically adjusted to adjust the position of the first clamping plate (123) through a telescopic structure.

3. The methane sensor verification and testing device according to claim 1 is characterized in that: The automatic connection component (19) comprises a mechanical arm (191), and a mechanical gripper (192) is fixed at one end of the mechanical arm (191).

4. The methane sensor verification and testing device according to claim 1, characterized in that: The mobile clamping structure (2) comprises a mobile component (21), a clamping component (22) is fixed on the mobile component (21) and is used to clamp the methane sensor, the clamping component (22) comprises a second fixing plate (221), and the second fixing plate (221) is telescopically adjusted through a telescopic structure to adjust the position of the second clamping plate (222).

5. The methane sensor verification and testing device according to claim 4 is characterized in that: The moving assembly (21) comprises a gear (211), and the gear (211) is engaged with a driving rack (212) fixed on a sliding plate (213).

6. The methane sensor verification and testing device according to claim 1, characterized in that: The waste gas recovery assembly (3) comprises a second air intake pipe (31), the second air intake pipe (31) is embedded in the storage box (34), and the second air intake pipe (31) is connected to the waste gas storage tank (33) through a third air delivery pipe (32).

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