Self-cleaning purging device for lens of gas analyzer

Abstract

The utility model relates to the technical field of gas detection, and discloses a gas analyzer lens self-cleaning purging device which comprises a controller, an air compressor and a gas cavity, the output end of the air compressor is fixedly communicated with a purging pipeline, the output end of the purging pipeline is fixedly provided with a purging disc, and the purging disc is fixedly connected with the controller. According to the self-cleaning purging device for the lens of the gas analyzer, gas is compressed through the air compressor, airflow dredging is conducted through the purging pipeline and the purging disc, then the purging gas is heated through the heater in the heating cavity, the purging gas is heated through the purging pipeline, and the purging efficiency is improved. The two purging communicating pipes are fixedly communicated with the interiors of the first inner insertion pipe and the second inner insertion pipe through the connecting flanges respectively to directly purge the lens and decompose impurities such as oil stains on the lens and purge the impurities out of the inner insertion pipes, so that the purposes of melting and decomposing the impurities such as oil stains and water on the isolation lens and removing the impurities are achieved; and then the compressed air is discharged out of the inserted pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a self-cleaning and blowing device for a lens of a gas analyzer. Background Art

[0002] Gas analyzers are process analysis instruments that measure gas composition. Commonly used ones include thermal conductivity gas analyzers, electrochemical gas analyzers, and infrared absorption analyzers. Infrared absorption analyzers are analytical instruments that work based on the selective absorption characteristics of different component gases to infrared rays of different wavelengths. Measuring this absorption spectrum can identify the type of gas; measuring the absorption intensity can determine the concentration of the measured gas. Infrared analyzers have a wide range of uses. They can not only analyze gas components, but also solution components. They are highly sensitive, respond quickly, can indicate continuously online, and can also form a regulation system.

[0003] When the gas analyzer is running on-site, it needs a pipeline cleaning and purging device to blow dust and other impurities from the outside out of the inner tube pipeline in order to keep the pipeline clean and maintain the accuracy of the measurement data. However, after the analyzer has been running for a period of time, the purging air is impure and contains impurities such as oil and water, which makes the isolation lens contaminated with oil, water and other impurities, resulting in a significant decrease in the light transmittance of the equipment, seriously affecting the test of the gas analyzer and causing the instrument to operate abnormally. It is necessary to manually disassemble the instrument and wipe the lens on-site, and then reinstall and debug it, which leads to additional labor costs and affects the performance of the equipment. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a self-cleaning purge device for the lenses of a gas analyzer to solve the problem mentioned in the above background technology that after the analyzer has been running for a period of time, the purge air is impure and contains impurities such as oil and water, which causes the isolation lens to be contaminated with oil, water and other impurities, resulting in a significant reduction in the light transmittance of the equipment, seriously affecting the test of the gas analyzer and causing the instrument to operate abnormally. It is necessary to manually disassemble the instrument and wipe the lenses on site, and then reinstall and debug, which requires additional labor costs and affects the performance of the equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning purge device for a gas analyzer lens, comprising a controller, an air compressor and a gas chamber, wherein the output end of the air compressor is fixedly connected with a purge pipeline, the output end of the purge pipeline is fixedly installed with a purge disk, the purge disk is fixedly connected with a connecting pipe away from the output end of the purge pipeline, the output end of the connecting pipe is fixedly connected with a heating chamber, a heater is arranged inside the heating chamber, a temperature sensor is fixedly installed on the outer surface of the heating chamber, the sensing end of the temperature sensor is fixedly connected to the inside of the heating chamber through the inner wall of the heating chamber, the outer surface of the heating chamber is fixedly connected with two purge connecting pipes, the outer surface of the gas chamber is fixedly connected with a No. 1 inner insert tube and a No. 2 inner insert tube, the output end of the No. 1 inner insert tube away from the gas chamber is provided with a laser emitting end, the output end of the No. 2 inner insert tube away from the gas chamber is provided with a laser analyzer, the outer surfaces of the No. 1 inner insert tube and the No. 2 inner insert tube are both provided with connecting flanges, and the two purge connecting pipes are respectively fixedly connected with the inside of the No. 1 inner insert tube and the No. 2 inner insert tube through the connecting flanges.

[0006] Preferably, the outer surface of the controller is provided with a plurality of data line connection ports, and data transmission lines, information receiving lines and control lines are respectively inserted inside the plurality of data line connection ports, the output end of the control line is electrically connected to the inside of the heater through the inner wall of the heating chamber, the output end of the data transmission line away from the controller is electrically connected to the inside of the laser analyzer, the input end of the information receiving line is electrically connected to the inside of the temperature sensor, and a display screen is provided on the outer surface of the controller.

[0007] Preferably, a No. 1 isolation lens is provided on the outer surface of the No. 1 inner tube close to the laser emitting end, and a No. 2 isolation lens is provided on the outer surface of the No. 2 inner tube close to the laser analyzer.

[0008] Preferably, the sensing end of the temperature sensor is arranged near the outlets of the two purge connecting tubes, and the output end of the heater is fixedly connected to the two purge connecting tubes through the interior of the heating chamber.

[0009] Preferably, an electronic circuit module is disposed inside the controller, and the display screen adopts a touch screen control display screen.

[0010] Preferably, the two purge connecting tubes are both made of thermal insulation material, and the output ends of the two purge connecting tubes away from the heating chamber are respectively close to the first isolation lens and the second isolation lens.

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

[0012] 1. The self-cleaning purge device for the lens of the gas analyzer uses an air compressor to compress the gas through the purge pipeline and the purge disk to clear the airflow, and then heats the purge gas through the heater in the heating chamber. Then, the two purge connecting pipes are fixedly connected to the inside of the No. 1 inner tube and the No. 2 inner tube through the connecting flange, and the lens is directly purged to decompose the impurities such as oil on the lens and blow them out of the inner tube, thereby achieving the effect of melting and decomposing the impurities such as oil, water on the isolation lens, and then discharging them out of the inner pipeline with the compressed air.

[0013] 2. The self-cleaning and purging device for the gas analyzer lens is configured with a plurality of data line connection ports on the outer surface of the controller, and a control line fixedly connected to the heater, an information receiving line fixedly connected to the temperature sensor, and a data transmission line fixedly connected to the laser analyzer are inserted into the corresponding data line connection ports, so that the temperature sensor, the heater, and the laser analyzer are centrally controlled and collected, thereby achieving the effect of facilitating the controller to collect the penetration rate information and temperature information of the laser analyzer and controlling the heater to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front view of the structure of the utility model;

[0016] Figure 3 It is a top view schematic diagram of the structure of the utility model;

[0017] Figure 4 It is a top view and cross-sectional schematic diagram of the heating chamber structure of the utility model.

[0018] In the figure: 1. controller; 2. display screen; 3. data transmission line; 4. information receiving line; 5. control line; 6. air compressor; 7. purge pipeline; 8. purge disk; 9. connecting pipe; 10. heating chamber; 11. temperature sensor; 12. heater; 13. purge connecting pipe; 14. connecting flange; 15. No. 1 inner tube; 16. No. 2 inner tube; 17. laser analyzer; 18. laser emitting end; 19. gas chamber. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1:

[0021] Please refer to Figure 1-4 ,

[0022] A gas analyzer lens self-cleaning purge device comprises a controller 1, an air compressor 6 and a gas chamber 19, wherein the output end of the air compressor 6 is fixedly connected with a purge pipeline 7, the output end of the purge pipeline 7 is fixedly installed with a purge disk 8, the purge disk 8 is fixedly connected with a connecting pipe 9 away from the output end of the purge pipeline 7, the output end of the connecting pipe 9 is fixedly connected with a heating chamber 10, the interior of the heating chamber 10 is provided with a heater 12, the outer surface of the heating chamber 10 is fixedly installed with a temperature sensor 11, the sensing end of the temperature sensor 11 is fixedly connected to the interior of the heating chamber 10 through the inner wall of the heating chamber 10 The outer surface of the heating chamber 10 is fixedly connected with two purge connecting pipes 13, the outer surface of the gas chamber 19 is fixedly connected with a No. 1 inner tube 15 and a No. 2 inner tube 16, the output end of the No. 1 inner tube 15 away from the gas chamber 19 is provided with a laser emitting end 18, the output end of the No. 2 inner tube 16 away from the gas chamber 19 is provided with a laser analyzer 17, the outer surfaces of the No. 1 inner tube 15 and the No. 2 inner tube 16 are both provided with connecting flanges 14, and the two purge connecting pipes 13 are fixedly connected with the inside of the No. 1 inner tube 15 and the No. 2 inner tube 16 through the connecting flanges 14.

[0023] Specifically, compressed gas is passed through the air compressor 6 through the purge pipeline 7 and the purge disk 8 for airflow clearance, and then the purge gas is heated by the heater 12 in the heating chamber 10, and then the two purge connecting pipes 13 are fixedly connected to the interior of the No. 1 inner tube 15 and the No. 2 inner tube 16 through the connecting flange 14, so as to directly purge the lens, decompose the impurities such as oil on the lens and blow them out of the inner tube, thereby achieving the effect of melting and decomposing the impurities such as oil, water on the isolation lens, and then discharging them out of the inner pipeline with the compressed air.

[0024] In the embodiment: the outer surface of the No. 1 inner tube 15 close to the laser emitting end 18 is provided with a No. 1 isolation lens, and the outer surface of the No. 2 inner tube 16 close to the laser analyzer 17 is provided with a No. 2 isolation lens.

[0025] Specifically, a No. 1 isolation lens is provided on the outer surface of the No. 1 inner tube 15 near the laser emitting end 18 , and a No. 2 isolation lens is provided on the outer surface of the No. 2 inner tube 16 near the laser analyzer 17 , so as to complete gas analysis with the laser emitting end 18 and the laser analyzer 17 .

[0026] In the embodiment, the sensing end of the temperature sensor 11 is arranged near the outlets of the two purge connecting pipes 13 , and the output end of the heater 12 is fixedly connected with the two purge connecting pipes 13 through the interior of the heating chamber 10 .

[0027] Specifically, because the sensing end of the temperature sensor 11 is arranged near the outlet of the two purge connecting pipes 13, the detected temperature is more accurate, and the output end of the heater 12 is fixedly connected with the two purge connecting pipes 13 through the interior of the heating chamber 10, so that the effect of purging the No. 1 isolation lens and the No. 2 isolation lens is better.

[0028] In the embodiment: the outer surface of the No. 1 inner tube 15 close to the laser emitting end 18 is provided with a No. 1 isolation lens, and the outer surface of the No. 2 inner tube 16 close to the laser analyzer 17 is provided with a No. 2 isolation lens.

[0029] Specifically, because the two purge connecting pipes 13 are made of thermal insulation materials, the hot air heated by the heater 12 is reduced from being lost in the two purge connecting pipes 13, affecting the cleaning effect, and the output ends of the two purge connecting pipes 13 away from the heating chamber 10 are respectively close to the isolation lens No. 1 and the isolation lens No. 2, so that the isolation lens No. 1 and the isolation lens No. 2 can be cleaned more accurately.

[0030] Working principle: compressed gas is passed through the air compressor 6 through the purge pipeline 7 and the purge disk 8 for airflow clearance, and then the purge gas is heated by the heater 12 in the heating chamber 10. At the same time, the outer surface of the gas chamber 19 is fixedly connected with the No. 1 inner tube 15 and the No. 2 inner tube 16. The output end of the No. 1 inner tube 15 away from the gas chamber 19 is provided with a laser emitting end 18, and the output end of the No. 2 inner tube 16 away from the gas chamber 19 is provided with a laser analyzer 17. The outer surfaces of the No. 1 inner tube 15 and the No. 2 inner tube 16 are both provided with connecting flanges 14, and then the two purge connecting pipes 13 are fixedly connected with the interior of the No. 1 inner tube 15 and the No. 2 inner tube 16 through the connecting flanges 14, respectively, to directly purge the lens, decompose the impurities such as oil on the lens and blow them out of the inner tube. Compared with the related art, the self-cleaning purge device for the lens of a gas analyzer provided by the utility model has the following beneficial effects: thereby achieving the effect of melting and decomposing impurities such as oil, water on the isolation lens, and then discharging them out of the inner pipeline with compressed air.

[0031] Embodiment 2:

[0032] Please refer to Figure 1-4 ,

[0033] The outer surface of the controller 1 is provided with a plurality of data line connection ports, and the interiors of the plurality of data line connection ports are respectively inserted with a data transmission line 3, an information receiving line 4 and a control line 5. The output end of the control line 5 is electrically connected to the interior of the heater 12 through the inner wall of the heating chamber 10, the output end of the data transmission line 3 away from the controller 1 is electrically connected to the interior of the laser analyzer 17, and the input end of the information receiving line 4 is electrically connected to the interior of the temperature sensor 11. A display screen 2 is provided on the outer surface of the controller 1.

[0034] Specifically, by setting a plurality of data line connection ports on the outer surface of the controller 1, the control line 5 fixedly connected to the heater 12, the information receiving line 4 fixedly connected to the temperature sensor 11 and the data transmission line 3 fixedly connected to the laser analyzer 17 are inserted into the corresponding data line connection ports, and the temperature sensor 11, the heater 12 and the laser analyzer 17 are centrally controlled and collected, thereby achieving the effect of facilitating the controller 1 to collect the penetration information and temperature information of the laser analyzer 17 and controlling the heater 12 to work.

[0035] In the embodiment: an electronic circuit module is arranged inside the controller 1 , and the display screen 2 is controlled by a touch screen.

[0036] Specifically, an electronic circuit module is provided inside the controller 1. The controller 1 is an existing structure, and the control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection are not described in detail. The electronic circuit module and the display screen 2 use a touch screen to control the display screen 2, which is convenient for operation.

[0037] Working principle: by setting a plurality of data line connection ports on the outer surface of the controller 1, the outer surface of the controller 1 is provided with a plurality of data line connection ports, and the interiors of the plurality of data line connection ports are respectively inserted with data transmission lines 3, information receiving lines 4 and control lines 5, the output end of the control line 5 is electrically connected to the interior of the heater 12 through the inner wall of the heating chamber 10, the output end of the data transmission line 3 away from the controller 1 is electrically connected to the interior of the laser analyzer 17, the input end of the information receiving line 4 is electrically connected to the interior of the temperature sensor 11, the control line 5 fixedly connected to the heater 12, the information receiving line 4 fixedly connected to the temperature sensor 11 and the data transmission line 3 fixedly connected to the laser analyzer 17 are inserted into the corresponding data line connection ports, the temperature sensor 11, the heater 12 and the laser analyzer 17 are centrally controlled and collected, and finally presented on the display screen 2. Compared with the related art, the self-cleaning and purging device for the lens of a gas analyzer provided by the utility model has the following beneficial effects: thereby achieving the effect of facilitating the controller 1 to collect the penetration information and temperature information of the laser analyzer 17, and controlling the heater 12 to work.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas analyzer lens self-cleaning purge device, comprising a controller (1), an air compressor (6) and a gas chamber (19), characterized in that: The output end of the air compressor (6) is fixedly connected to a purge pipeline (7), a purge disk (8) is fixedly installed on the output end of the purge pipeline (7), a connecting pipe (9) is fixedly connected to the output end of the purge disk (8) away from the output end of the purge pipeline (7), the output end of the connecting pipe (9) is fixedly connected to a heating chamber (10), a heater (12) is arranged inside the heating chamber (10), a temperature sensor (11) is fixedly installed on the outer surface of the heating chamber (10), the sensing end of the temperature sensor (11) is fixedly connected to the inside of the heating chamber (10) through the inner wall of the heating chamber (10), and the outer surface of the heating chamber (10) is fixedly connected to the inner wall of the heating chamber (10). Two purge connecting pipes (13) are connected, the outer surface of the gas cavity (19) is fixedly connected with a first inner tube (15) and a second inner tube (16), the output end of the first inner tube (15) away from the gas cavity (19) is provided with a laser emitting end (18), the output end of the second inner tube (16) away from the gas cavity (19) is provided with a laser analyzer (17), the outer surfaces of the first inner tube (15) and the second inner tube (16) are both provided with connecting flanges (14), and the two purge connecting pipes (13) are fixedly connected with the inside of the first inner tube (15) and the second inner tube (16) respectively through the connecting flanges (14).

2. A gas analyzer lens self-cleaning purge device according to claim 1, characterized in that: The controller (1) is provided with a plurality of data line connection ports on its outer surface, and a data transmission line (3), an information receiving line (4) and a control line (5) are respectively inserted into the interior of the plurality of data line connection ports. The output end of the control line (5) is electrically connected to the interior of the heater (12) through the inner wall of the heating chamber (10), the output end of the data transmission line (3) away from the controller (1) is electrically connected to the interior of the laser analyzer (17), and the input end of the information receiving line (4) is electrically connected to the interior of the temperature sensor (11). The controller (1) is provided with a display screen (2) on its outer surface.

3. A gas analyzer lens self-cleaning purge device according to claim 1, characterized in that: The outer surface of the No. 1 inner tube (15) close to the laser emitting end (18) is provided with a No. 1 isolation lens, and the outer surface of the No. 2 inner tube (16) close to the laser analyzer (17) is provided with a No. 2 isolation lens.

4. A gas analyzer lens self-cleaning purge device according to claim 1, characterized in that: The sensing end of the temperature sensor (11) is arranged near the outlets of the two purge connecting pipes (13), and the output end of the heater (12) is fixedly connected to the two purge connecting pipes (13) through the interior of the heating chamber (10).

5. A gas analyzer lens self-cleaning purge device according to claim 2, characterized in that: An electronic circuit module is arranged inside the controller (1), and the display screen (2) adopts a touch screen control display screen (2).

6. A gas analyzer lens self-cleaning purge device according to claim 3, characterized in that: The two purge connecting pipes (13) are both made of heat-insulating materials, and the output ends of the two purge connecting pipes (13) away from the heating chamber (10) are respectively close to the first isolation lens and the second isolation lens.

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