CN217277850U

CN217277850U - NDIR-based methane sensor

Info

Publication number: CN217277850U
Application number: CN202220262067.2U
Authority: CN
Inventors: 蔡立山
Original assignee: Dahaoheshan Jiangsu Environmental Protection Co Ltd
Current assignee: Dahaoheshan Jiangsu Environmental Protection Co Ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-23
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a methane sensor based on NDIR, comprising a main body, the lateral wall fixedly connected with link of main part, the main part passes through link fixedly connected with sleeve, telescopic lateral wall is provided with fixing device, fixing device includes spacing frame, stopper, threaded rod, turning block and extrusion piece, the utility model relates to a methane detects technical field. This kind of methane sensor based on NDIR, the lateral wall that has reached the main part sets up the link, be used for installing the sleeve, and telescopic lateral wall sets up fixing device, cup joint the sleeve with the interior stock of mine hole, and utilize fixing device to fix the stock, can install the main part fast, improve main part installation stability, the inside strutting arrangement that sets up of sleeve simultaneously, be convenient for support the stock tip, reduce the impact during installation, and support the stock, cooperate with fixing device, improve overall installation stability, satisfy user demand's purpose.

Description

NDIR-based methane sensor

Technical Field

The utility model relates to a methane detects the field, and more specifically says, relates to a methane sensor based on NDIR.

Background

Coal mine safety is always a concern and an urgent need to be solved in China, and the coal mine collection and production face a lot of difficulties, particularly, a great amount of flammable and explosive gas can be generated in the production process of the coal mine. The methane sensor is used for continuously monitoring the methane concentration in coal mine roadways, mining working faces, goafs, return air roadways, electromechanical chambers and the like in a coal mine safety detection system, can automatically give out sound and light alarms when the methane concentration exceeds the limit, can be used for carrying coal mine underground operators, methane detection personnel, underground managers and the like, and can also be used for fixing the places. At present, current methane sensor based on NDIR, the staff of being not convenient for installs fast, and installation stability is poor for single structure, and then influences equipment life, can't satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the current methane sensor based on NDIR who exists among the prior art, single structure, the staff of being not convenient for installs fast, and installation stability is poor, and then influences equipment life, can't satisfy the problem of user demand, the utility model aims to provide a methane sensor based on NDIR, it can realize that the lateral wall of main part sets up the link for the installation sleeve, and telescopic lateral wall sets up fixing device, cup joint sleeve and the interior stock of mine cave, and utilize fixing device to fix the stock, can install the main part fast, improve main part installation stability, the inside strutting arrangement that sets up of sleeve simultaneously is convenient for support the stock tip, reduce the impact when installing, and support the stock, cooperate with fixing device, improve overall installation stability, satisfy the user demand.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

A methane sensor based on NDIR comprises a main body, wherein a connecting frame is fixedly connected to the side wall of the main body, a sleeve is fixedly connected to the main body through the connecting frame, and a fixing device is arranged on the side wall of the sleeve;

fixing device includes spacing frame, stopper, threaded rod, turning block and extrusion piece, spacing frame is located telescopic inside, the stopper is located spacing frame's inside, the one end of threaded rod and the lateral wall fixed connection of stopper, threaded rod and spacing frame threaded connection, the threaded rod is located the outside one end of spacing frame and turning block fixed connection, the opposite side and the extrusion piece fixed connection of stopper, extrusion piece and spacing frame sliding connection, the extrusion piece extends to telescopic inside.

Preferably, the surface of the main body is provided with a rubber sleeve.

Preferably, the interior of the sleeve is provided with a support means.

Preferably, strutting arrangement includes fixed plate, supporting spring, contact plate, leads positive pole and baffle, fixed plate and telescopic inner wall fixed connection, supporting spring's one end and the bottom fixed connection of fixed plate, supporting spring keeps away from the one end and the contact plate fixed connection of fixed plate, the top of contact plate with lead positive pole fixed connection, lead positive pole and fixed plate sliding connection, supporting spring cup joints with leading positive pole, lead the top of positive pole and the bottom fixed connection of baffle.

Preferably, the bottom of the contact plate is fixedly connected with a rubber pad.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the lateral wall through the main part sets up the link for the installation sleeve, and telescopic lateral wall sets up fixing device, cup joints sleeve and the interior stock of ore deposit hole, and utilizes fixing device to fix the stock, can install the main part fast, improves main part installation stability.

2. Through the inside strutting arrangement that sets up of sleeve, be convenient for support the stock tip, reduce the impact during installation to support the stock, cooperate with fixing device, improve whole installation stability.

Drawings

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

fig. 2 is a schematic view of the overall external structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the sleeve according to the present invention;

fig. 4 is a schematic view of a part of an enlarged structure of fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

1. a main body; 2. a connecting frame; 3. a sleeve; 4. a fixing device; 41. a limiting frame; 42. a limiting block; 43. a threaded rod; 44. rotating the block; 45. extruding the block; 5. a support device; 51. a fixing plate; 52. a support spring; 53. a contact plate; 54. a guide rod; 55. a baffle plate; 56. a rubber cushion.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: a methane sensor based on NDIR comprises a main body 1, wherein a connecting frame 2 is fixedly connected to the side wall of the main body 1, a sleeve 3 is fixedly connected to the main body 1 through the connecting frame 2, and a fixing device 4 is arranged on the side wall of the sleeve 3; the lateral wall of main part 1 sets up link 2 for installation sleeve 3, and the lateral wall of sleeve 3 sets up fixing device 4, cup joints sleeve 3 and the stock in the mine cave, and utilizes fixing device 4 to fix the stock, can install main part 1 fast, improves 1 installation stability of main part.

The fixing device 4 comprises a limiting frame 41, a limiting block 42, a threaded rod 43, a rotating block 44 and an extruding block 45, the limiting frame 41 is located inside the sleeve 3, the limiting block 42 is located inside the limiting frame 41, one end of the threaded rod 43 is fixedly connected with the side wall of the limiting block 42, the threaded rod 43 is in threaded connection with the limiting frame 41, one end of the threaded rod 43, which is located outside the limiting frame 41, is fixedly connected with the rotating block 44, the other side of the limiting block 42 is fixedly connected with the extruding block 45, the extruding block 45 is in sliding connection with the limiting frame 41, and the extruding block 45 extends to the inside of the sleeve 3. Set up fixing device 4, stopper 42 is located inside spacing frame 41, prevents that the bolt from dropping, when needs fix the stock, rotates turning block 44, drives threaded rod 43 and rotates, drives stopper 42 motion, drives extrusion piece 45 motion, extrudees fixedly to the stock, improves sleeve 3 and stock installation stability, and then improves main part 1 installation stability.

The surface of the main body 1 is provided with a rubber sleeve. The surface of main part 1 sets up the rubber sleeve, is convenient for protect main part 1.

The interior of the sleeve 3 is provided with support means 5. The supporting device 5 is arranged inside the sleeve 3, so that the end part of the anchor rod is supported conveniently, the impact during installation is reduced, the anchor rod is supported, and the anchor rod is matched with the fixing device 4, so that the overall installation stability is improved.

The supporting device 5 comprises a fixing plate 51, a supporting spring 52, a contact plate 53, a positive guiding rod 54 and a baffle 55, wherein the fixing plate 51 is fixedly connected with the inner wall of the sleeve 3, one end of the supporting spring 52 is fixedly connected with the bottom of the fixing plate 51, one end of the supporting spring 52 far away from the fixing plate 51 is fixedly connected with the contact plate 53, the top of the contact plate 53 is fixedly connected with the positive guiding rod 54, the positive guiding rod 54 is slidably connected with the fixing plate 51, the supporting spring 52 is sleeved with the positive guiding rod 54, and the top of the positive guiding rod 54 is fixedly connected with the bottom of the baffle 55. Set up strutting arrangement 5, when the stock inserts inside sleeve 3, contact with contact plate 53 to the extrusion drives contact plate 53 upward movement, increases supporting spring 52's elastic potential energy, has certain shock-absorbing capacity, and when fixing device 4 fixed the stock, supporting spring 52 was in compression state, is convenient for support the stock, further improves stock fixed stability.

A rubber pad 56 is fixedly connected to the bottom of the contact plate 53. A rubber pad 56 is arranged at the bottom of the contact plate 53, so that the collision between the end of the anchor rod and the contact plate 53 is reduced.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical proposal and the improvement conception of the utility model are added with equivalent replacement or change; are all covered by the protection scope of the utility model.

Claims

1. A NDIR-based methane sensor comprising a body (1), characterized in that: the side wall of the main body (1) is fixedly connected with a connecting frame (2), the main body (1) is fixedly connected with a sleeve (3) through the connecting frame (2), and a fixing device (4) is arranged on the side wall of the sleeve (3);

fixing device (4) are including spacing frame (41), stopper (42), threaded rod (43), turning block (44) and extrusion piece (45), spacing frame (41) are located the inside of sleeve (3), stopper (42) are located the inside of spacing frame (41), the one end of threaded rod (43) and the lateral wall fixed connection of stopper (42), threaded rod (43) and spacing frame (41) threaded connection, threaded rod (43) are located the outside one end of spacing frame (41) and turning block (44) fixed connection, the opposite side and the extrusion piece (45) fixed connection of stopper (42), extrusion piece (45) and spacing frame (41) sliding connection, extrusion piece (45) extend to the inside of sleeve (3).

2. The NDIR-based methane sensor according to claim 1, wherein: the surface of the main body (1) is provided with a rubber sleeve.

3. The NDIR-based methane sensor according to claim 1, wherein: a supporting device (5) is arranged inside the sleeve (3).

4. The NDIR-based methane sensor according to claim 3, wherein: the supporting device (5) comprises a fixing plate (51), a supporting spring (52), a contact plate (53), a guide rod (54) and a baffle plate (55), the fixing plate (51) is fixedly connected with the inner wall of the sleeve (3), one end of the supporting spring (52) is fixedly connected with the bottom of the fixing plate (51), one end, far away from the fixing plate (51), of the supporting spring (52) is fixedly connected with the contact plate (53), the top of the contact plate (53) is fixedly connected with the guide rod (54), the guide rod (54) is slidably connected with the fixing plate (51), the supporting spring (52) is sleeved with the guide rod (54), and the top of the guide rod (54) is fixedly connected with the bottom of the baffle plate (55).

5. The NDIR-based methane sensor according to claim 4, wherein: the bottom of the contact plate (53) is fixedly connected with a rubber pad (56).