CN218331482U

CN218331482U - Inflammable and explosive gas monitoring devices

Info

Publication number: CN218331482U
Application number: CN202222524602.XU
Authority: CN
Inventors: 余克红; 胡文兵; 张亮
Original assignee: Hubei Zhonghuan Zhian Technology Co ltd
Current assignee: Hubei Zhonghuan Zhian Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-17
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of gas monitoring, in particular to a flammable and explosive gas monitoring device, which comprises a gas monitoring equipment body, wherein a sensor body is arranged inside the gas monitoring equipment body, a dustproof mechanism is detachably arranged at the bottom end of a shell, and a cleaning mechanism is arranged on the dustproof mechanism; the dustproof mechanism comprises a connector, a connecting ring, a filter screen and a connecting seat, wherein the connecting ring is arranged at the middle end of the inner wall of the connector, and the connecting seat is arranged at the central position of the connector; clearance mechanism includes stop gear, micro motor, pivot, first mounting bar and second mounting bar, and the inner wall of mount pad sliding connection casing all installs the clearance brush on first mounting bar and the second mounting bar, the other end butt filter screen of clearance brush. The utility model discloses be convenient for block that the dust depends on the probe of sensor in a large number to can in time clear up the dust that will block on the dust screen, promote monitoring efficiency, the dismouting of being convenient for has brought the facility for the use.

Description

Inflammable and explosive gas monitoring devices

Technical Field

The utility model relates to a gas monitoring technology field specifically is a flammable explosive gas monitoring devices.

Background

Flammable gas means a gas that has a lower explosion limit of less than 10% or a difference between the upper and lower explosion limits of greater than 20% when mixed with air. Common flammable gases include hydrogen, methane, propane, ethylene, ethane, acetylene and the like, the gases have the characteristics of flammability and explosiveness, and also have the performances of diffusivity, electrification, corrosivity, toxicity and the like, the harm of the flammable and explosive gases becomes a global problem, and the monitoring, early warning and prevention of the flammable and explosive gases are highly concerned by various social circles all the time. Traditional inflammable and explosive gas monitoring facilities includes the casing, is provided with display screen, wiring end, audible and visual alarm lamp, pilot lamp and sensor on the casing, and for monitoring gas better, can be provided with the dust screen in sensor installation department usually, avoids the more sensor work of depending on monitor probe of external environment dust.

Chinese patent No. CN212060178U discloses a flammable and explosive gas monitoring device, which can actively act to meet the wind direction, so as to avoid monitoring untimely and control the optimal processing time at any time, so as to avoid causing greater danger.

However, the above-mentioned known solutions have the following disadvantages: if current flammable explosive gas monitoring devices uses in the more environment of dust if installing, dust screen and sensor probe can be depended on by the dust, if not in time handle, cause the unable accurate monitoring gas of sensor easily, cause the sensor malfunctioning, reduce monitoring efficiency, increase danger.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a flammable and explosive gas monitoring devices.

The technical scheme of the utility model: a flammable and explosive gas monitoring device comprises a gas monitoring equipment body, wherein a sensor body is arranged inside the gas monitoring equipment body, a shell is installed at the monitoring end of the gas monitoring equipment body, the sensor body is arranged close to the shell, a dustproof mechanism is detachably arranged at the bottom end of the shell, and a cleaning mechanism is arranged on the dustproof mechanism;

the dustproof mechanism comprises a connecting body, a connecting ring, a filter screen and a connecting seat, wherein one end of the connecting body is connected with the bottom end of the shell, the connecting ring is arranged at the middle end of the inner wall of the connecting body, the connecting seat is arranged at the central position of the connecting body, and the connecting seat is connected with the connecting ring through the filter screen;

clearance mechanism includes stop gear, micro motor, the apparatus further comprises a rotating shaft, first mounting bar and second mounting bar, stop gear is by mount pad and cross shelves pole, the inner wall of mount pad sliding connection casing, the top of mount pad is connected to cross shelves pole, micro motor's outside is provided with the casing, the top and the spacing connection of cross shelves pole of casing, micro motor's output is connected in the one end transmission of pivot, the other end of pivot passes the connecting seat and is connected with the second mounting bar, the pivot rotates with the connecting seat to be connected, first mounting bar sets up the one end lateral wall that is close to micro motor in the pivot, all install the clearance brush on first mounting bar and the second mounting bar, the other end butt filter screen of clearance brush.

Preferably, the connecting body is provided in a cylindrical shape with both ends open.

Preferably, the bottom end of the outer wall of the shell is provided with a threaded part A, the inner wall of the connecting body is provided with a threaded part B, and the threaded part B is matched with the threaded part A.

Preferably, the bottom end edge of the mount abuts between the housing and the connection ring.

Preferably, a limiting block is installed on the casing outside the micro motor, a limiting seat is installed on the cross-shaped gear rod, and the limiting block is inserted into the limiting seat in a sliding mode.

Preferably, the outer diameter of the filter screen is slightly larger than the inner diameter of the mounting seat; the length of the first mounting bar is slightly smaller than the inner radius of the mounting seat.

Preferably, the second mounting bar is connected with the bottom of pivot through the screw, and first mounting bar is provided with two sets ofly, and two sets of first mounting bars all are connected with the lateral wall of pivot through the screw.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model discloses a filter screen is convenient for block the dust in the monitoring environment and depends on the probe of the sensor body in a large number, avoids dust to interfere with the monitoring; the dust-proof mechanism is convenient to disassemble and assemble, and is convenient for daily maintenance; the dust attached to the upper end face and the lower end face of the filter screen can be cleaned simultaneously through the cleaning mechanism, so that the entering of interference gas is avoided, and the monitoring efficiency is improved; simultaneously second mounting bar and first mounting bar easy dismounting are swift, are convenient for regularly change the cleaning brush.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the connector of the present invention;

fig. 4 is a schematic view of the mounting seat structure of the present invention.

Reference numerals are as follows: 1. a gas monitoring device body; 101. a sensor body; 102. a housing; 2. a connector; 201. a connecting ring; 202. a filter screen; 203. a connecting seat; 3. a micro-motor; 301. a limiting block; 302. a rotating shaft; 303. a first mounting bar; 304. a second mounting bar; 305. cleaning brushes; 4. a mounting seat; 401. a cross bar; 402. a limiting seat.

Detailed Description

Example one

As shown in fig. 1 and fig. 2, the utility model provides a flammable and explosive gas monitoring device, which comprises a gas monitoring device body 1, wherein a sensor body 101 is arranged inside the gas monitoring device body 1, a housing 102 is installed at the monitoring end of the gas monitoring device body 1, and the sensor body 101 is arranged near the housing 102, and is characterized in that a dustproof mechanism is detachably arranged at the bottom end of the housing 102, and a cleaning mechanism is arranged on the dustproof mechanism;

as shown in fig. 1, 2 and 3, the dustproof mechanism includes a connector 2, a connector ring 201, a filter screen 202 and a connector base 203, one end of the connector 2 is connected to the bottom end of the housing 102, the connector ring 201 is installed at the middle end of the inner wall of the connector 2, the connector base 203 is arranged at the center position of the connector 2, and the connector base 203 is connected to the connector ring 201 through the filter screen 202;

furthermore, the connecting body 2 is designed into a cylindrical shape with two open ends, so that gas can enter conveniently, and the sensor body 101 can monitor flammable and explosive gas in real time conveniently;

further, a threaded portion A is arranged at the bottom end of the outer wall of the shell 102, a threaded portion B is arranged on the inner wall of the connecting body 2, and the threaded portion B is matched with the threaded portion A, so that the connecting body 2 and the shell 102 can be conveniently mounted and dismounted;

as shown in fig. 2 and 4, the cleaning mechanism includes a limiting mechanism, the micro motor 3, the rotating shaft 302, a first mounting bar 303 and a second mounting bar 304, the limiting mechanism includes a mounting seat 4 and a cross bar 401, the mounting seat 4 is slidably connected to the inner wall of the housing 102, the cross bar 401 is connected to the top end of the mounting seat 4, a casing is disposed outside the micro motor 3, the top end of the casing is connected to the cross bar 401 in a limiting manner, one end of the rotating shaft 302 is connected to the output end of the micro motor 3 in a transmission manner, the other end of the rotating shaft 302 penetrates through the connecting seat 203 and is connected to the second mounting bar 304, the rotating shaft 302 is rotatably connected to the connecting seat 203, the first mounting bar 303 is disposed on a side wall of the rotating shaft 302 near the micro motor 3, the cleaning brush 305 is disposed on both the first mounting bar and the second mounting bar 304, and the other end of the cleaning brush 305 abuts against the filter screen 202.

Further, the edge of the bottom end of the mounting seat 4 is abutted between the shell 102 and the connecting ring 201, so that the mounting seat 4 is prevented from sliding along the inner wall of the shell 102 to accidentally injure the probe of the sensor body 101, and meanwhile, the mounting seat 4 is prevented from generating displacement to interfere with the limit of the micro motor 3;

further, a limit block 301 is mounted on the casing outside the micro motor 3, a limit seat 402 is mounted on the cross-shaped stop rod 401, and the limit block 301 is slidably inserted into the limit seat 402;

further, the outer diameter of the filter screen 202 is slightly larger than the inner diameter of the mounting seat 4; the length of first mounting bar 303 is slightly less than the inner radius of mount pad 4, and the first mounting bar 303 of being convenient for rotates clearance filter screen 202 in the inner wall of mount pad 4.

In this embodiment, the limiting seat 402 is inserted into the limiting block 301 in a sliding manner by aligning with the limiting block 301, so that the bottom edge of the mounting seat 4 abuts against the connecting ring 201, then the top end of the mounting seat 4 is pushed into the casing 102, and meanwhile, the connecting body 2 is rotated, so that the connecting body 2 is in threaded connection with the casing 102 until the bottom edge of the mounting seat 4 abuts against the bottom end of the casing 102, and then the installation of the dustproof mechanism can be completed, and the arrangement of the filter screen 202 can prevent a large amount of dust from attaching to the probe of the sensor body 101 to interfere with measurement; regularly start micro motor 3 through the controller and drive pivot 302 and rotate, pivot 302 rotates and drives first mounting bar 303 and second mounting bar 304 and rotate, and then make the clearance brush 305 on the first mounting bar 303 carry out the dust clearance to filter screen 202 top end face, clearance brush 305 on the second mounting bar 304 carries out the dust clearance to filter screen 202 bottom end face, dust among the clearance wafts towards the below of casing 102, avoid the too much interference gas's on filter screen 202 entering of attaching to of dust, after using a period, the staff can be with rotating connector 2 with its and casing 102 separation, carry out routine maintenance to dustproof mechanism and clearance mechanism.

Example two

As shown in fig. 2 and 4, the utility model provides a flammable and explosive gas monitoring devices compares in embodiment one, and second mounting bar 304 is connected through the bottom of screw with pivot 302, and first mounting bar 303 is provided with two sets ofly, and two sets of first mounting bars 303 all are connected through the lateral wall of screw with pivot 302.

In this embodiment, the screw is taken down, so that the second mounting bar 304 and the rotating shaft 302 can be separated, the first mounting bar 303 and the rotating shaft 302 can be separated, and the second mounting bar 304 and the first mounting bar 303 can be detached conveniently for replacement or cleaning.

The working principle is as follows: the filter screen 202 is convenient for preventing a large amount of dust in the monitoring environment from attaching to the probe of the sensor body 101, so that the dust is prevented from interfering monitoring; the dust-proof mechanism is convenient to disassemble and assemble, and is convenient for daily maintenance; the dust attached to the upper end face and the lower end face of the filter screen 202 can be cleaned simultaneously through the cleaning mechanism, so that the entering of interference gas is avoided, and the monitoring efficiency is improved; meanwhile, the second mounting bar 304 and the first mounting bar 303 are convenient and quick to disassemble and assemble, and the cleaning brush 305 is convenient to replace regularly.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A flammable and explosive gas monitoring device comprises a gas monitoring equipment body (1), wherein a sensor body (101) is arranged inside the gas monitoring equipment body (1), a shell (102) is installed at the monitoring end of the gas monitoring equipment body (1), and the sensor body (101) is arranged close to the shell (102), and is characterized in that a dustproof mechanism is detachably arranged at the bottom end of the shell (102), and a cleaning mechanism is arranged on the dustproof mechanism;

the dustproof mechanism comprises a connecting body (2), a connecting ring (201), a filter screen (202) and a connecting seat (203), one end of the connecting body (2) is connected with the bottom end of the shell (102), the connecting ring (201) is installed at the middle end of the inner wall of the connecting body (2), the connecting seat (203) is arranged at the central position of the connecting body (2), and the connecting seat (203) is connected with the connecting ring (201) through the filter screen (202);

clearance mechanism includes stop gear, micro motor (3), pivot (302), first mounting bar (303) and second mounting bar (304), stop gear is by mount pad (4) and cross shelves pole (401), the inner wall of mount pad (4) sliding connection casing (102), the top of mount pad (4) is connected to cross shelves pole (401), micro motor's (3) outside is provided with the casing, the top and the spacing connection of cross shelves pole (401) of casing, the output of micro motor (3) is connected in the one end transmission of pivot (302), the other end of pivot (302) passes connecting seat (203) and is connected with second mounting bar (304), pivot (302) rotate with connecting seat (203) and are connected, first mounting bar (303) set up the one end lateral wall that is close to micro motor (3) in pivot (302), all install clearance brush (305) on first mounting bar (303) and the second mounting bar (304), the other end butt clearance brush (305) of clearance brush (305) filters screen (202).

2. A combustible and explosive gas monitoring device according to claim 1, characterised in that the connecting body (2) is formed as a cylinder open at both ends.

3. A combustible and explosive gas monitoring device according to claim 1, characterized in that the bottom end of the outer wall of the casing (102) is provided with a threaded portion a, the inner wall of the connecting body (2) is provided with a threaded portion B, and the threaded portion B is matched with the threaded portion a.

4. A combustible and explosive gas monitoring device according to claim 1, characterised in that the bottom end edge of the mounting seat (4) abuts between the housing (102) and the connection ring (201).

5. A flammable and combustible gas monitoring device according to claim 1, wherein a limiting block (301) is installed on a casing outside the micro motor (3), a limiting seat (402) is installed on the cross-shaped lever (401), and the limiting block (301) is slidably inserted into the limiting seat (402).

6. A flammable and explosive gas monitoring apparatus according to claim 1, wherein the external diameter of the filter screen (202) is slightly larger than the internal diameter of the mounting seat (4); the length of the first mounting strip (303) is slightly smaller than the inner radius of the mounting seat (4).

7. A flammable and explosive gas monitoring device according to claim 1, wherein the second mounting bars (304) are connected with the bottom end of the rotating shaft (302) through screws, two sets of the first mounting bars (303) are provided, and the two sets of the first mounting bars (303) are connected with the side wall of the rotating shaft (302) through screws.