Mine gas detection sampling device

Abstract

The utility model discloses a mine gas detecting and sampling device which comprises a shell, a partition plate is arranged on the upper portion of the inner side of the shell, a center column is rotationally installed on one side of the upper end of the partition plate, the outer end of the center column extends to the top of the shell, the interior of the center column is of a cavity structure, and a rotation driving assembly capable of driving the center column to rotate horizontally is arranged in the shell. The periphery of the upper end of the central column is fixedly communicated with a plurality of capturing leaf plates with cavities inside, the expanded capturing leaf plates can actively suck ambient air through an air inlet window, so that the sampling range is effectively expanded, and the sucked air can be directly guided into an air collection cabin and is directly sensed and measured by a sensing probe; useless air after detection can be directly discharged by the exhaust hole; in conclusion, the gas detection sampling device effectively prevents and reduces the defects of leak detection and difficulty in capturing during operation of a traditional detector, the detection is more timely, and the efficient monitoring and safety early warning of the device are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine detection equipment technical field, concretely is a mine gas detection sampling device. BACKGROUND

[0002] The mine gas detector is a kind of equipment specially used to detect the concentration of various harmful gases in mine environment, to ensure the safety of underground staff.This detector usually has multiple functions, can monitor and display the concentration of multiple gases in real time, including oxygen, methane, carbon monoxide, hydrogen sulfide, etc., to help staff take timely measures to avoid potential safety hazards.But in actual use, the traditional gas detector is placed at a relatively random position, and the detection probe of the detector is fixed, which has certain randomness in sensing sensitivity for the volatile combustible gas, especially for some low-concentration combustible gas, which has certain drawbacks of missed detection and difficult to capture, which is not conducive to efficient monitoring and safety warning of the device. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments.Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] Therefore, the purpose of the utility model is to provide a mine gas detection sampling device to solve the problem of the traditional gas detector, which is placed at a relatively random position, and the detection probe of the detector is fixed, which has certain randomness in sensing sensitivity for the volatile combustible gas, especially for some low-concentration combustible gas, which has certain drawbacks of missed detection and difficult to capture, which is not conducive to efficient monitoring and safety warning of the device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a mine gas detection sampling device, comprising a shell, the inner side upper part of the shell has a partition, the upper end of the partition is rotatably installed on one side and the outer end extends to the top of the shell, the center column is a hollow structure, the shell has a rotating drive assembly that can drive the center column to rotate horizontally, a plurality of capture leaf plates are fixedly connected around the upper end of the center column and have cavities inside, the windward side of the capture leaf plate has an air inlet window, the inner side lower part of the shell has a gas collection cabin, the upper end of the gas collection cabin is provided with a fan, and the input end of the fan is connected with the lower end of the center column, the bottom of the gas collection cabin has a sensing probe located directly below the fan, and the bottom of the gas collection cabin is provided with exhaust holes connected to the outside of the shell.

[0006] As a preferred scheme of the mine gas detection sampling device, the rotating driving assembly comprises a bearing seat for rotatingly mounting the central column on the shell, a first belt pulley fixed to the outer circumferential side of the central column, a second belt pulley rotatingly mounted on the inner side of the shell and parallel to the first belt pulley, a belt wound around the first belt pulley and the second belt pulley, and a motor for driving the second belt pulley to rotate.

[0007] As a preferred scheme of the mine gas detection sampling device, the windward surface of the capturing leaf plate is further provided with a filter screen covering the air inlet window, and the filter screen and the air inlet window are detachably connected.

[0008] As a preferred scheme of the mine gas detection sampling device, the fan input end is communicated with a wind conveying hose, the other end of the wind conveying hose is communicated with the lower end of the central column through a sealing bearing, and the sealing bearing is fixedly mounted on the partition plate.

[0009] As a preferred scheme of the mine gas detection sampling device, the bottom of the shell is provided with a detection analyzer corresponding to the sensing probe.

[0010] As a preferred scheme of the mine gas detection sampling device, the inside of the exhaust hole is further provided with a mesh.

[0011] As a preferred scheme of the mine gas detection sampling device, the front surface of the shell is provided with a total control unit of the sampling device, that is, a control display area, and the back surface of the shell is further provided with a detachable maintenance cover.

[0012] Compared with the prior art, the mine gas detection sampling device has the advantages that: when in use, the fan forms negative pressure suction on the central column and the plurality of capturing leaf plates through the wind conveying hose and the sealing bearing, and the plurality of capturing leaf plates rotate at a uniform speed under the driving of the rotating driving assembly. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole external structure schematic view of the utility model;

[0014] Figure 2 It is the shell internal structure schematic view of the utility model;

[0015] Figure 3 It is the utility model Figure 2 The partial detail structure schematic view of the utility model;

[0016] Figure 4 It is the utility model capture leaf plate detail schematic view.

[0017] In the figure: 100, shell;110, partition;120, gas collecting cabin;130, exhaust hole;131, mesh;200, center column;300, rotary drive assembly;310, bearing seat;320, first belt pulley;330, second belt pulley;340, belt;350, motor;400, capture leaf plate;401, air inlet window;402, filter screen;410, connecting column;500, fan;600, wind conveying hose;610, sealing bearing;700, sensing probe;710, detection analyzer;800, control display area. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is described in detail below with the help of the attached drawings.

[0019] Secondly, the utility model is described in detail in combination with the schematic view, and in the detailed description of the utility model embodiment, for the convenience of description, the sectional view of device structure will be partially enlarged without the general proportion, and the schematic view is only an example, which should not limit the scope of the utility model protection here. In addition, three-dimensional spatial dimensions of length, width and depth should be contained in actual manufacture.

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the specific embodiment of the utility model will be described in further detail below with the help of the attached drawings.

[0021] Figures 1-4 It is the whole structure schematic view of the utility model mine gas detection sampling device, please refer to Figures 1-4The mine gas detection sampling device of the embodiment comprises a shell 100, the inner side upper portion of the shell 100 is provided with a partition plate 110, the upper end of the partition plate 110 is rotatably installed on one side and the outer end extends to the top of the shell 100, the center column 200 is a hollow structure, the inside of the shell 100 is provided with a rotating drive assembly 300 capable of driving the center column 200 to rotate horizontally, a plurality of capture leaf plates 400 are fixedly connected around the upper end of the center column 200 and have cavities in the inside, the windward side of the capture leaf plate 400 is provided with an air inlet window 401, the inner side lower portion of the shell 100 is provided with a gas collection cabin 120, the upper end of the gas collection cabin 120 is provided with a fan 500, the input end of the fan 500 is communicated with the lower end of the center column 200, the bottom of the gas collection cabin 120 is provided with a sensing probe 700 located directly below the fan 500, and the bottom of the gas collection cabin 120 is provided with exhaust holes 130 communicated with the outside of the shell 100.

[0022] The rotating driving assembly 300 comprises a bearing seat 310 for rotatably mounting the central column 200 on the shell 100, a first belt pulley 320 fixed to the outer circumferential side of the central column 200, a second belt pulley 330 rotatably mounted on the inner side of the shell 100 and parallel to the first belt pulley 320, a belt 340 wound around the first belt pulley 320 and the second belt pulley 330, and a motor 350 for driving the second belt pulley 330 to rotate. When in use, the motor 350 drives the first belt pulley 320 to rotate through the second belt pulley 330 and the belt 340, and then drives the central column 200 and the plurality of capture leaf plates 400 to rotate synchronously. The windward surface of the capture leaf plate 400 is further provided with a filter screen 402 covering the air inlet window 401, and the filter screen 402 and the air inlet window 401 are detachable. The intersection of the plurality of capture leaf plates 400 is fixedly connected with a connecting column 410, and the connecting column 410 and the central column 200 are threadedly connected and communicated with each other. It can be understood that the leaf plate group can be conveniently disassembled and assembled through the cooperation of the connecting column 410, which is simple and convenient. The fan 500 is connected with a wind conveying hose 600 at the input end, and the other end of the wind conveying hose 600 is connected with the lower end of the central column 200 through a sealing bearing 610, and the sealing bearing 610 is fixedly mounted on the partition plate 110. Through the cooperation of the sealing bearing 610, the wind conveying hose 600 and the partition plate 110, the central column 200 will not rotate with the wind conveying hose 600 when rotating, and the smooth air flow can be maintained at the same time. The bottom of the shell 100 is provided with a detection analyzer 710 corresponding to the sensing probe 700. Specifically, in this embodiment, when in use, the fan 500 forms a negative pressure suction on the central column 200 and the plurality of capture leaf plates 400 through the wind conveying hose 600 and the sealing bearing 610, and the plurality of capture leaf plates 400 rotate at a uniform speed under the driving of the rotating driving assembly 300. During this process, the plurality of expanded capture leaf plates 400 can actively inhale the surrounding air through the air inlet window 401, so that the sampling range is effectively improved. The inhaled air is directly introduced into the gas collection chamber 120 and sensed by the sensing probe 700, and the useless air after detection is directly discharged through the exhaust hole 130. In summary, the gas detection sampling device effectively prevents and reduces the missed detection and difficult capture of the conventional detection instrument during operation, the detection is more timely, and the efficient monitoring and safety warning of the device are ensured.

[0023] Further, the inside of the exhaust hole 130 is further provided with a mesh 131, which can prevent mosquitoes from entering the gas collection chamber 120 and the inside of the device through the exhaust hole 130.

[0024] Further, the front of the shell 100 has the total control unit of the sampling device, that is, the operation display area 800, and the back of the shell 100 is further provided with a detachable maintenance cover. Through the operation display area 800, the staff can conveniently perform integrated operation and program setting on the detection sampling device, and meanwhile, the concentration of the combustible gas and related data indexes can be observed through the display screen. Of course, in other embodiments, the detection sampling device can also be remotely connected and data shared with the control terminal through wired or wireless mode, and no limitation is made in this regard.

[0025] Although the present application has been described with reference to the embodiments above in the foregoing description, it is to be understood that various modifications can be made without departing from the scope of the present application. In particular, the features of the embodiments of the present application can be used in any combination without structural conflict. The description of the application is not intended to be exhaustive or to limit the application to the precise form disclosed. Accordingly, many modifications and variations are possible in light of the above teachings without departing from the scope of the present application.

Claims

1. A mine gas detection sampling device, characterized in that, The utility model provides a kind of sampling device, including shell (100), the inside upper portion of shell (100) has baffle (110), the center column (200) of baffle (110) upper end one side rotation is installed and outer end extends to the top of shell (100), center column (200) inside is hollow structure, the inside of shell (100) has rotation drive component (300) that can drive center column (200) horizontal rotation, the upper end of center column (200) is fixedly connected with a plurality of and has the hollow cavity of inside in the periphery of capture vane (400), the air inlet window (401) of windward side of capture vane (400) has, the inside lower portion of shell (100) has gas collection cabin (120), fan (500) is provided at the upper end of gas collection cabin (120), and the input end of fan (500) is connected with the lower end of center column (200), the bottom of gas collection cabin (120) is centrally located with the sensing probe (700) located directly below fan (500), the exhaust hole (130) that is communicated with the outside of shell (100) is provided at the bottom of gas collection cabin (120) both sides.

2. The mine gas detection sampling device according to claim 1, characterized in that: The rotation drive component (300) includes a bearing seat (310) for rotatingly mounting the center column (200) on the shell (100), a first belt pulley (320) fixed to the outer peripheral side of the center column (200), a second belt pulley (330) rotationally mounted on the inside of the shell (100) and parallel to the first belt pulley (320), a belt (340) wound around the first belt pulley (320) and the second belt pulley (330), and a motor (350) for rotating the second belt pulley (330).

3. The mine gas detection sampling device of claim 1, wherein: The windward surface of the capture vane (400) is further provided with a filter screen (402) covering the air inlet window (401), and the filter screen (402) and the air inlet window (401) are detachably connected, a plurality of the connecting columns (410) are fixedly connected at the intersection of the capture vanes (400), and the connecting columns (410) and the center column (200) are threadedly connected and interconnected.

4. The mine gas detection sampling device of claim 1, wherein: The input end of the fan (500) is connected with a wind delivery hose (600), the other end of the wind delivery hose (600) is interconnected with the lower end of the center column (200) through a sealing bearing (610) provided therebetween, and the sealing bearing (610) is fixedly mounted on the baffle (110).

5. The mine gas detection sampling device of claim 1, wherein: The bottom of the shell (100) is provided with a detection analyzer (710) corresponding to the sensing probe (700).

6. The mine gas detection sampling device of claim 1, wherein: The inside of the exhaust hole (130) is further provided with a mesh (131).

7. The mine gas detection sampling device of claim 1, wherein: The front of the shell (100) is provided with a total control unit of the sampling device, i.e., a control display area (800), and the back of the shell (100) is further provided with a detachable maintenance cover.

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