CN219552249U

CN219552249U - Explosion-proof infrared gas analyzer

Info

Publication number: CN219552249U
Application number: CN202223234147.6U
Authority: CN
Inventors: 刘云飞; 罗娟丽; 龚建军; 刘卫军; 余永舟; 孙果
Original assignee: Wuxi Kunlun Fuji Instrument Co ltd
Current assignee: Wuxi Kunlun Fuji Instrument Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-08-18
Anticipated expiration: 2032-12-03

Abstract

The utility model discloses an explosion-proof infrared gas analyzer, which comprises an explosion-proof box body, wherein a plurality of lugs are fixedly welded on one side of the explosion-proof box body, a plurality of air pipe clamping sleeve connectors are arranged on one side of the periphery of the explosion-proof box body, a plurality of explosion-proof power connectors are arranged at the bottom of the periphery of the explosion-proof box body, an operation through hole is formed in one side of the explosion-proof box body, a protective ring is arranged on the outer side of the operation through hole, a mounting plate is arranged in the operation through hole, and a magnetic control operation screen and a plurality of operation keys are arranged on the mounting plate. This kind of explosion-proof infrared gas analysis appearance, through the integral type explosion-proof box structure that sets up, and a plurality of trachea cutting ferrule that sets up outside explosion-proof box connects and a plurality of explosion-proof power connection, improves the overall structure intensity of this analysis appearance, has stronger antiknock performance, and conveniently carries out external trachea or power cord at any time.

Description

Explosion-proof infrared gas analyzer

Technical Field

The utility model relates to the technical field of gas analysis equipment, in particular to an explosion-proof infrared gas analyzer.

Background

In petrochemical industry, steel industry, coal industry and other industries, components and content of certain gases are detected, and a gas analyzer is needed. Because of the specificity of the detection environment, the detection instrument is required to have an explosion-proof function and an online detection capability, so that the gas concentration is detected in a dangerous area in real time, and a data reference is provided for the control of the production process.

The traditional gas analyzer internal structure is too simple, does not have certain explosion-proof structure, and when carrying out dangerous goods and detecting, dangerous easily takes place, and traditional detection does not possess the performance that isolated gas detected, reduces the continuity that gas detected, and is inconvenient to use. Therefore, we make improvements to this and propose an explosion-proof infrared gas analyzer.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an explosion-proof infrared gas analyzer, which comprises an explosion-proof box body, wherein a plurality of lugs are fixedly welded on one side of the explosion-proof box body, a plurality of air pipe clamping sleeve connectors are arranged on one side of the periphery of the explosion-proof box body, a plurality of explosion-proof power connectors are arranged at the bottom of the periphery of the explosion-proof box body, an operation through hole is formed in one side of the explosion-proof box body, a protective ring is arranged outside the operation through hole, a mounting plate is arranged in the operation through hole, a magnetic control operation screen and a plurality of operation keys are arranged on the mounting plate, a mounting frame is fixedly arranged in the explosion-proof box body through bolts, and a sensor acquisition module, an infrared analysis detection module and a signal transmission module are fixedly arranged at the top of the mounting frame.

As a preferable technical scheme of the utility model, the infrared analysis detection module comprises a measurement chamber, wherein a gas inlet and a gas outlet are respectively formed in two ends of the top of the measurement chamber, an infrared generator is arranged at one end of the measurement chamber positioned at the gas inlet, and a detector is arranged at the other end of the measurement chamber positioned at the gas outlet.

As a preferable technical scheme of the utility model, a light cutting plate is arranged between the measuring chamber and the infrared generator, a motor is arranged on one side of the light cutting plate, and an output shaft of the motor is in transmission connection with the central end of one side of the light cutting plate through a coupler.

As a preferred embodiment of the present utility model, the detector is internally partitioned into a front expansion chamber and a rear expansion chamber by a diaphragm, and a mass flow sensor is provided at the bottom of the diaphragm.

As a preferable technical scheme of the utility model, the signal transmission module comprises a signal connector bracket, and a plurality of input and output circuit boards are fixedly arranged on the top of the signal connector bracket.

As a preferable technical scheme of the utility model, the periphery of the operation through hole is provided with a mounting end, and the protective ring is sleeved on the periphery of the mounting end.

As a preferable technical scheme of the utility model, the mass flow sensor is connected with a signal processing arithmetic unit, one end of the signal processing arithmetic unit is connected with a display, and one end of the display is provided with an output end.

The beneficial effects of the utility model are as follows:

1. according to the explosion-proof infrared gas analyzer, through the integrated explosion-proof box body structure, the plurality of air pipe clamping sleeve connectors and the plurality of explosion-proof power connectors are arranged on the periphery of the explosion-proof box body, so that the overall structural strength of the analyzer is improved, the explosion-proof infrared gas analyzer has stronger explosion-proof performance, and an external air pipe or a power line can be conveniently connected at any time;

2. according to the flameproof infrared gas analyzer, the gas to be analyzed is conveyed into the measuring chamber through the connecting pipe, and the motor drives the light cutting plate to rotate, so that infrared rays emitted by the infrared generator are intermittently irradiated to the gas to be analyzed, and the use safety of the analyzer is improved;

3. according to the explosion-proof infrared gas analyzer, the expansion coefficient of gas can be measured through the front expansion chamber and the rear expansion chamber, and then data are collected through the mass flow sensor, so that statistics calculation is convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is an overall schematic diagram of an explosion-proof infrared gas analyzer of the present utility model;

FIG. 2 is a schematic diagram showing the detachment of a guard ring of the flameproof infrared gas analyzer of the present utility model;

FIG. 3 is a schematic view of the inner cross section of an explosion-proof box of the explosion-proof infrared gas analyzer of the present utility model;

FIG. 4 is a schematic cross-sectional view of an infrared analysis and detection module of an explosion-proof infrared gas analyzer according to the present utility model.

In the figure: 1. an explosion-proof box body; 101. an operation through hole; 102. a mounting end; 2. ear pieces; 3. a tracheal tube cutting sleeve joint; 4. an explosion-proof power supply connector; 5. a protective ring; 6. a mounting plate; 7. a magnetic control operation screen; 8. operating the key; 9. a mounting frame; 10. a sensor acquisition module; 11. an infrared analysis detection module; 1101. a measuring chamber; 1102. a gas inlet; 1103. a gas outlet; 1104. an infrared generator; 1105. a detector; 1106. a light cutting plate; 1107. a motor; 1108. a diaphragm; 1109. a mass flow sensor; 12. a signal transmission module; 1201. a signal connector holder; 1202. an input/output circuit board.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-4, the explosion-proof infrared gas analyzer comprises an explosion-proof box body 1, wherein a plurality of lugs 2 are fixedly welded on one side of the explosion-proof box body 1, a plurality of air pipe clamping sleeve connectors 3 are arranged on one side of the periphery of the explosion-proof box body 1, a plurality of explosion-proof power connectors 4 are arranged at the bottom of the periphery of the explosion-proof box body 1, an operation through hole 101 is formed in one side of the explosion-proof box body 1, a protection ring 5 is arranged outside the operation through hole 101, an installation plate 6 is arranged inside the operation through hole 101, a magnetic control operation screen 7 and a plurality of operation keys 8 are arranged on the installation plate 6, an installation frame 9 is fixedly installed inside the explosion-proof box body 1 through bolts, and a sensor acquisition module 10, an infrared analysis detection module 11 and a signal transmission module 12 are fixedly installed on the top of the installation frame 9.

The infrared analysis detection module 11 includes a measurement chamber 1101, a gas inlet 1102 and a gas outlet 1103 are respectively provided at two ends of the top of the measurement chamber 1101, an infrared generator 1104 is provided at one end of the measurement chamber 1101 located at the gas inlet 1102, a detector 1105 is provided at the other end of the measurement chamber 1101 located at the gas outlet 1103, and the gas accessed from the outside can be analyzed through the set infrared analysis detection module 11, namely, the gas accessed from the gas inlet 1102 is irradiated by infrared rays emitted by the infrared generator 1104, so that components in the gas can be analyzed conveniently.

Wherein, be provided with the cutting board 1106 between measuring chamber 1101 and the infrared generator 1104, cutting board 1106 one side is provided with motor 1107, and the output shaft of motor 1107 passes through the shaft coupling and is connected with cutting board 1106 one side center end transmission, can drive cutting board 1106 through the motor 1107 that sets up and rotate, cuts off the light that infrared generator 1104 sent, realizes intermittent inside infrared irradiation to measuring chamber 1101.

The front expansion chamber and the rear expansion chamber are separated by the diaphragm 1108 in the detector 1105, the mass flow sensor 1109 is arranged at the bottom of the diaphragm 1108, and the expansion coefficient of gas can be measured by the arranged front expansion chamber and rear expansion chamber, so that data is collected by the mass flow sensor 1109, and statistical calculation is convenient.

The signal transmission module 12 includes a signal connector bracket 1201, and a plurality of input/output circuit boards 1202 are fixedly mounted on the top of the signal connector bracket 1201, and signals generated by detection can be transmitted through the signal transmission module 12, so that analysis and storage are convenient.

Wherein, operation through-hole 101 periphery is provided with installation end 102, and guard ring 5 cup joints in installation end 102 periphery, installs guard ring 5 through the installation end 102 that sets up, makes things convenient for the dismouting of guard ring 5, improves the convenience of installation.

The mass flow sensor 1109 is connected with a signal processing arithmetic unit, one end of the signal processing arithmetic unit is connected with a display, and one end of the display is provided with an output end.

Working principle: when the explosion-proof box is used, a plurality of lugs 2 welded on one side of the explosion-proof box body 1 are installed on a wall surface through screws, the air pipes are connected through a plurality of air pipe clamping sleeve connectors 3, gas to be analyzed conveniently enters the explosion-proof box body 1 to be analyzed smoothly, then a plurality of explosion-proof power connectors 4 are connected with a power supply to provide power support for the analyzer, an infrared analysis detection module 11 can analyze externally accessed gas, namely infrared rays emitted by an infrared generator 1104 irradiate the gas accessed by a gas inlet 1102, so that components in the gas are conveniently analyzed, a motor 1107 can drive a light cutting plate 1106 to rotate, light emitted by the infrared generator 1104 is cut off, intermittent infrared irradiation is realized inside a measuring chamber 1101, expansion coefficients of the gas can be measured, further data are collected through a mass flow sensor 1109, signals generated by detection can be transmitted, and analysis and storage are convenient.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an explosion-proof infrared gas analysis appearance, includes explosion-proof box (1), its characterized in that, explosion-proof box (1) one side fixed welding has a plurality of tab (2), explosion-proof box (1) periphery one side is provided with a plurality of trachea cutting ferrule (3), just explosion-proof box (1) periphery bottom is provided with a plurality of explosion-proof power connection (4), operation through-hole (101) have been seted up to explosion-proof box (1) one side, operation through-hole (101) outside is provided with guard ring (5), operation through-hole (101) inside is provided with mounting panel (6), just be provided with magnetic control operation screen (7) and a plurality of operation button (8) on mounting panel (6), explosion-proof box (1) inside have mounting bracket (9) through bolt fixed mounting, mounting bracket (9) top fixed mounting has sensor to gather module (10), infrared analysis detection module (11) and signal transmission module (12).

2. The explosion-proof infrared gas analyzer according to claim 1, wherein the infrared analysis detection module (11) comprises a measurement chamber (1101), a gas inlet (1102) and a gas outlet (1103) are respectively formed in two ends of the top of the measurement chamber (1101), an infrared generator (1104) is arranged at one end of the measurement chamber (1101) located at the gas inlet (1102), and a detector (1105) is arranged at the other end of the measurement chamber (1101) located at the gas outlet (1103).

3. The explosion-proof infrared gas analyzer according to claim 2, wherein a light cutting plate (1106) is arranged between the measuring chamber (1101) and the infrared generator (1104), a motor (1107) is arranged on one side of the light cutting plate (1106), and an output shaft of the motor (1107) is in transmission connection with one side central end of the light cutting plate (1106) through a coupler.

4. The flameproof infrared gas analyzer according to claim 2, wherein the detector (1105) is partitioned inside by a diaphragm (1108) into a front expansion chamber and a rear expansion chamber, and a mass flow sensor (1109) is provided at the bottom of the diaphragm (1108).

5. The explosion-proof infrared gas analyzer according to claim 1, wherein the signal transmission module (12) comprises a signal connector bracket (1201), and a plurality of input/output circuit boards (1202) are fixedly mounted on the top of the signal connector bracket (1201).

6. The explosion-proof infrared gas analyzer according to claim 1, wherein a mounting end (102) is arranged on the periphery of the operation through hole (101), and the protection ring (5) is sleeved on the periphery of the mounting end (102).

7. The explosion-proof infrared gas analyzer according to claim 4, wherein the mass flow sensor (1109) is connected with a signal processing arithmetic unit, one end of the signal processing arithmetic unit is connected with a display, and one end of the display is provided with an output end.