Multi-gas detection device

Abstract

The utility model discloses a multi-gas detection device which comprises a gas detector and a mounting seat, a mounting arm is arranged on one side of the mounting seat, two sides of the gas detector are rotatably connected with one end of the mounting arm through a connecting shaft, one end of the connecting shaft is in transmission connection with a motor through a chain wheel rack group, and a protective cover is arranged on the outer side of the mounting arm and the gas detector. A through hole is formed in the side wall of the gas detector, a dust filter screen is arranged in the through hole in the side wall of the protective cover, a filter screen cleaning brush is arranged on the outer side of the gas detector through a mounting frame, and one end of the filter screen cleaning brush is tightly attached to the inner wall of the dust filter screen. The dust filtering net is arranged in the through hole in the side wall of the protective cover, so that dust and impurity filtering treatment can be carried out on the gas, and the situation that dust is accumulated outside the detection probe and influences the detection precision is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection equipment, in particular to a multi-gas detection device. Background Art

[0002] A mine is a general term for the shafts, chambers, equipment, ground buildings and structures that form an underground coal mine production system. Sometimes, the inclined shafts, vertical shafts, and horizontal shafts in the underground development of mines are also called mines. The size of the mine field, the production capacity of the mine and the service life are determined. The development of mines can be divided into vertical shaft development, inclined shaft development, horizontal shaft development and comprehensive development. There will be various gases in the coal mine, and these gases will inevitably be harmful, so gas detection devices should be used to detect the gases underground.

[0003] In the prior art, a multi-gas detection device for underground mines with application number 202121283636.3 includes a base. First, the gas underground in the coal mine can be pumped to the ground through a centrifugal pump and a first pipeline, and then the gas underground in the coal mine can be pumped to the inside of the detection chamber through a connecting pipe. The underground gas can be detected through the detection probe and air detector inside the detection chamber, and finally the detection result of the underground gas can be displayed through a display. It is very convenient to use and worthy of promotion. However, no protective mechanism is set on the outside of the detection probe, and dust is easily accumulated on the outside of the detection probe to affect the detection accuracy. Utility Model Content

[0004] The utility model aims to provide a multi-gas detection device to solve the problem in the prior art that no protection mechanism is arranged outside the detection probe and dust is easily accumulated outside the detection probe to affect the detection accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-gas detection device, comprising a gas detector and a mounting seat, a mounting arm is vertically provided on one side of the mounting seat, and the middle parts of both sides of the gas detector are rotatably connected to one end of the mounting arm through a connecting shaft, one end of the connecting shaft is connected to a motor through a sprocket rack group, the sprocket rack group includes a driving sprocket, a driven sprocket and a driving chain, protective covers are provided on the outside of the mounting arm and the gas detector, a dust filter is provided in the through hole of the side wall of the protective cover, a filter cleaning brush is provided on the outside of the gas detector through a mounting frame, and one end of the filter cleaning brush is arranged close to the inner wall of the dust filter.

[0006] Furthermore, mounting holes are provided at four corners of the mounting seat, and the mounting seat is mounted and fixed in the mounting holes by first bolts.

[0007] Furthermore, a connecting seat is provided at one end of the protective cover, and the connecting seat is fixed to one side of the mounting seat by a second bolt.

[0008] Furthermore, one end of the protective cover is configured as a semicircular cover body, and the inner diameter of the semicircular cover body is larger than the outer diameter of the gas detector.

[0009] Furthermore, the filter cleaning brush is configured as an arc-shaped brush that matches the lower end surface of the protective cover, and two groups of filter cleaning brushes are symmetrically arranged about the gas detector.

[0010] Furthermore, a positioning seat is provided at one end of the mounting frame, and the positioning seat is fixed to the outside of the gas detector by screws.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a protective cover on the outside of the mounting arm and the gas detector, so that the outside of the detection probe can be covered and protected to prevent external force from directly colliding with the detection probe and causing damage. A dust filter is provided in the through hole of the side wall of the protective cover, so that dust and impurities can be filtered out of the gas to prevent dust from accumulating on the outside of the detection probe and affecting the detection accuracy.

[0013] The utility model also has a gas detector whose middle parts on both sides are rotatably connected to one end of the mounting arm via a connecting shaft, and one end of the connecting shaft is connected to a motor via a sprocket rack group, so that the connecting shaft is driven by the motor and the sprocket rack group to rotate forward and reversely, thereby adjusting the use angle of the detection probe at one end of the gas detector to meet the detection needs at different longitudinal angles.

[0014] The utility model also provides a filter cleaning brush on the outside of the gas detector through a mounting bracket, and one end of the filter cleaning brush is arranged close to the inner wall of the dust filter, and the filter cleaning brush is arranged to be an arc-shaped brush matched with the lower end surface of the protective cover, so that when the gas detector is driven to rotate and adjust by the motor and the sprocket rack group, the filter cleaning brush can clean the inside of the dust filter to prevent dust from clogging the dust filter and causing gas to not circulate and affect the efficiency of gas detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is the overall structural front view of the utility model;

[0017] Figure 2 It is a schematic diagram of the protective cover structure of the utility model;

[0018] Figure 3 It is a left view of the connection structure of the gas detector of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure of the filter cleaning brush of the utility model.

[0020] In the figure: 1. mounting seat; 2. mounting arm; 3. connecting shaft; 4. gas detector; 5. protective cover; 6. first bolt; 7. mounting hole; 8. driven sprocket; 9. driving sprocket; 10. driving chain; 11. mounting frame; 12. filter cleaning brush; 13. positioning seat; 14. dust filter; 15. through hole; 16. connecting seat; 17. second bolt; 18. motor. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, a multi-gas detection device includes a gas detector 4 and a mounting base 1. A plurality of detection probes are arranged on one side of the gas detector 4, including sensors for detecting gases such as CO, SO2, O3, NO, NO2, H2S, and VOCs. A mounting arm 2 is vertically arranged on one side of the mounting base 1, and the middle parts of both sides of the gas detector 4 are rotatably connected to one end of the mounting arm 2 through a connecting shaft 3. Four corners of the mounting base 1 are provided with mounting holes 7, and the mounting base 1 is fixedly installed in the mounting holes 7 by a first bolt 6, so as to facilitate the installation and fixing of the gas detector 4. One end of the connecting shaft 3 is connected to a motor 18 through a sprocket rack group. The sprocket rack group includes a driving sprocket 9, a driven sprocket 8, and a driving chain 10, so that the motor 18 and the sprocket rack group drive the connecting shaft 3 to rotate forward and reversely, thereby adjusting the use angle of the detection probe at one end of the gas detector 4, which can meet the detection and use requirements of different longitudinal angles.

[0023] like Figure 1 and Figure 2As shown, in order to prevent external force from directly colliding with the detection probe and causing damage, a protective cover 5 is provided on the outside of the mounting arm 2 and the gas detector 4. One end of the protective cover 5 is arranged into a semicircular cover body, and the inner diameter of the semicircular cover body is larger than the outer diameter of the gas detector 4, so that the outside of the detection probe can be covered and protected to prevent external force from directly colliding with the detection probe and causing damage. In addition, a connecting seat 16 is provided at one end of the protective cover 5, and the connecting seat 16 is fixed to one side of the mounting seat 1 by a second bolt 17, so that the protective cover 5 can be installed and fixed to one side of the mounting seat 1. A dust filter net 14 is provided in the through hole 15 on the side wall of the protective cover 5, so that dust and impurities can be filtered out of the gas to prevent dust from accumulating on the outside of the detection probe and affecting the detection accuracy.

[0024] like Figure 1 and Figure 2 As shown, in order to clean the inner side of the dust filter 14, a filter cleaning brush 12 is provided on the outer side of the gas detector 4 through a mounting frame 11, and one end of the filter cleaning brush 12 is arranged close to the inner wall of the dust filter 14, and the filter cleaning brush 12 is arranged to be an arc-shaped brush matched with the lower end surface of the protective cover 5, and two groups of filter cleaning brushes 12 are symmetrically arranged about the gas detector 4, so that when the gas detector 4 is driven to rotate and adjust by the motor 18 and the sprocket rack group, the filter cleaning brush 12 can clean the inner side of the dust filter 14 to prevent dust from clogging the dust filter 14 and causing gas to not circulate and affect the efficiency of gas detection, and a positioning seat 13 is provided at one end of the mounting frame 11, and the positioning seat 13 is fixed to the outside of the gas detector 4 by screws, so as to facilitate the installation of the filter cleaning brush 12 on the outside of the gas detector 4.

[0025] The working principle and use process of the utility model are as follows: when in use, the gas detector 4 is installed on one side of the detection room wall through the installation arm 2, the connecting shaft 3 and the mounting seat 1, and multiple gas detections are performed through multiple detection probes provided on one side of the gas detector 4. At the same time, the protective cover 5 provided on the outer side of the installation arm 2 and the gas detector 4 can be used to cover and protect the outside of the detection probe to prevent external force from directly colliding with the detection probe and causing damage. At the same time, a dust filter 14 is provided in the through hole 15 on the side wall of the protective cover 5, so that dust and impurities can be filtered out of the gas to prevent dust from accumulating on the outside of the detection probe and affecting the detection accuracy.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-gas detection device, comprising a gas detector (4) and a mounting base (1), characterized in that: A mounting arm (2) is vertically provided on one side of the mounting seat (1), and the middle parts of both sides of the gas detector (4) are rotatably connected to one end of the mounting arm (2) through a connecting shaft (3), and one end of the connecting shaft (3) is connected to a motor (18) through a sprocket rack group. A protective cover (5) is provided on the outside of the mounting arm (2) and the gas detector (4), and a dust filter (14) is provided in a through hole (15) on the side wall of the protective cover (5). A filter cleaning brush (12) is provided on the outside of the gas detector (4) through a mounting frame (11), and one end of the filter cleaning brush (12) is arranged in close contact with the inner wall of the dust filter (14).

2. A multi-gas detection device according to claim 1, characterized in that: The four corners of the mounting seat (1) are provided with mounting holes (7), and the mounting seat (1) is mounted and fixed in place via first bolts (6) in the mounting holes (7).

3. A multi-gas detection device according to claim 1, characterized in that: A connecting seat (16) is provided at one end of the protective cover (5), and the connecting seat (16) is fixed to one side of the mounting seat (1) via a second bolt (17).

4. A multi-gas detection device according to claim 3, characterized in that: One end of the protective cover (5) is configured as a semicircular cover body, and the inner diameter of the semicircular cover body is greater than the outer diameter of the gas detector (4).

5. A multi-gas detection device according to claim 1, characterized in that: The filter cleaning brush (12) is configured as an arc-shaped brush that matches the lower end surface of the protective cover (5), and two groups of the filter cleaning brushes (12) are symmetrically arranged with respect to the gas detector (4).

6. A multi-gas detection device according to claim 1, characterized in that: A positioning seat (13) is provided at one end of the mounting frame (11), and the positioning seat (13) is fixed to the outside of the gas detector (4) by means of screws.

Images