CN112067571A - Gas concentration calibration testing machine - Google Patents
Gas concentration calibration testing machine Download PDFInfo
- Publication number
- CN112067571A CN112067571A CN202010887057.3A CN202010887057A CN112067571A CN 112067571 A CN112067571 A CN 112067571A CN 202010887057 A CN202010887057 A CN 202010887057A CN 112067571 A CN112067571 A CN 112067571A
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- Prior art keywords
- gas
- testing machine
- gas concentration
- calibration
- electrically connected
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- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 230000001012 protector Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000012895 dilution Substances 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
Abstract
The invention discloses a gas concentration calibration testing machine which comprises a testing machine shell, wherein a main exhaust pipe is fixedly arranged at the top of the testing machine shell, and a pure gas tank, a gas calibration box a, a gas calibration box b, a hygrothermograph, an infrared gas analyzer a, a double-loop gas concentration calibrator, an infrared gas analyzer b, a leakage protector, an exhaust pipe interface, a centralized control board and a pipeline exhaust fan are fixedly arranged on the inner side wall of the testing machine shell. The gas concentration calibration testing machine has the functions of concentration safety protection, automatic or manual injection of gas concentration, automatic dilution of gas concentration, monitoring and alarming of environment concentration and the like, can test parameters such as set values, alarm values, action values, response time, recovery time and the like of the gas concentration and verify the parameters, and has the function of exhausting gas in a test box to the outside after detection is finished, so that the safety is high.
Description
Technical Field
The invention relates to the technical field of gas concentration detection equipment, in particular to a gas concentration calibration testing machine.
Background
Common gas concentration testing equipment in the market at present is regulated manually, the time is long, the danger is high, the setting parameters are inaccurate, the time and the labor are consumed, particularly, the toxic and harmful gas test has high environmental condition requirements and the like, and the aim of the gas concentration detection test in the true sense cannot be achieved.
For this reason, we propose a gas concentration calibration tester to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a gas concentration calibration testing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the gas concentration calibration testing machine comprises a testing machine shell, wherein a main exhaust pipe is fixedly arranged at the top of the testing machine shell, a pure gas tank, a gas calibration box a, a gas calibration box b, a hygrothermograph, an infrared gas analyzer a, a double-loop gas concentration calibrator, an infrared gas analyzer b, a leakage protector, an exhaust pipe interface, a centralized control board and a pipeline exhaust fan are fixedly arranged on the inner side wall of the testing machine shell, and mounting ports corresponding to the hygrothermograph, the infrared gas analyzer a, the double-loop gas concentration calibrator, the infrared gas analyzer b and the leakage protector are arranged on the testing machine shell;
the output end of the pure gas tank is respectively connected with a gas calibration box a and a gas calibration box b through a gas tank output pipe, a control device a is fixedly arranged on the gas tank output pipe, and the control device a is electrically connected with a centralized control board;
the input end of the pipeline exhaust fan is respectively connected with the gas calibration box a and the gas calibration box b through a gas outlet fixed pipe, the output end of the pipeline exhaust fan is connected with an exhaust pipe interface through a gas outlet hose, and the pipeline exhaust fan is electrically connected with the centralized control board;
the gas calibration box a and the gas calibration box b are both connected with a control device b through a gas inlet hose, and the control device b is electrically connected with a centralized control board;
the centralized control board is respectively and electrically connected with the hygrothermograph, the infrared gas analyzer a, the double-loop gas concentration calibrator, the infrared gas analyzer b and the leakage protector.
Preferably, the gas concentration calibrator comprises a display screen and a single chip microcomputer, and the single chip microcomputer of the gas concentration calibrator comprises an automatic (manual) injection module, a concentration calibration module, a gas stirring module, an air pump and an automatic exhaust module.
Preferably, the infrared gas analyzer comprises a display screen and a single chip microcomputer, and the single chip microcomputer of the infrared gas analyzer comprises a concentration setting module, a concentration sampling module and a setting determination module.
Preferably, a working table plate is fixedly connected to one side of the testing machine shell.
Preferably, an openable access door is installed on one side, far away from the workbench plate, of the testing machine shell.
Preferably, the input end of the earth leakage protector is electrically connected with a three-hole plug.
Preferably, the testing machine casing internal fixation is provided with fluorescent lamp and lighting switch, lighting switch is connected with fluorescent lamp and earth-leakage protector electricity respectively, be provided with the installing port that corresponds with lighting switch on the testing machine casing.
Preferably, the control device a is a gas injection electromagnetic valve, and the gas injection electromagnetic valve is electrically connected with the centralized control board.
Preferably, the control device b is an air inlet electromagnetic valve, and the air inlet electromagnetic valve is electrically connected with the centralized control board.
Preferably, a barometer is mounted on the gas tank output pipe.
Preferably, the bottom of the testing machine casing is fixedly provided with a roller.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
1. the gas concentration calibration testing machine has the functions of concentration safety protection, automatic or manual injection of gas concentration, automatic dilution of gas concentration, monitoring and alarming of environment concentration and the like, can test parameters such as a set value, an alarm value, an action value, response time, recovery time and the like of the gas concentration and carry out verification, and has the function of discharging gas in a test box to the outside after detection is finished, so that the safety is high;
2. the gas concentration calibration testing machine is simple in structure, convenient to use, capable of being automatically operated, free of manual adjustment, high in efficiency and high in safety;
3. in the invention, the gas concentration calibration testing machine is convenient to move and transport, is convenient to overhaul the inside and has good market prospect.
Drawings
FIG. 1 is a schematic structural diagram of a gas concentration calibration testing machine according to the present invention;
FIG. 2 is a schematic diagram of a rear view structure of the gas concentration calibration testing machine according to the present invention;
FIG. 3 is a schematic side view of the gas concentration calibration testing machine according to the present invention;
FIG. 4 is a schematic view of the internal structure of the gas concentration calibration testing machine according to the present invention;
fig. 5 is a schematic structural diagram of a gas concentration calibration testing machine according to the present invention.
In the figure: 1. a testing machine shell; 2. a hygrothermograph; 3. an infrared gas analyzer a; 4. a dual-loop gas concentration calibrator; 5. an infrared gas analyzer b; 6. a light switch; 7. a leakage protector; 8. a gas calibration box a; 9. a work table; 10. a gas calibration box b; 11. a roller; 12. a fluorescent lamp; 13. an exhaust pipe interface; 14. a centralized control board; 15. a main exhaust pipe; 16. a barometer; 17. a pure gas tank; 18. an air outlet hose; 19. an air outlet fixing pipe; 20. a pipeline exhaust fan; 21. an air intake hose; 22. an air inlet solenoid valve; 23. a gas injection electromagnetic valve; 24. an access door.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the gas concentration calibration testing machine comprises a testing machine housing 1, a main exhaust pipe 15 is fixedly arranged at the top of the testing machine housing 1, a pure gas tank 17, a gas calibration box a8, a gas calibration box b10, a hygrothermograph 2, an infrared gas analyzer a3, a dual-loop gas concentration calibrator 4, an infrared gas analyzer b5, a leakage protector 7, an exhaust pipe interface 13, a centralized control board 14 and a pipeline exhaust fan 20 are fixedly arranged on the inner side wall of the testing machine housing 1, and mounting ports corresponding to the hygrothermograph 2, the infrared gas analyzer a3, the dual-loop gas concentration calibrator 4, the infrared gas analyzer b5 and the leakage protector 7 are arranged on the testing machine housing 1;
the output end of the pure gas tank 17 is respectively connected with a gas calibration tank a8 and a gas calibration tank b10 through a gas tank output pipe, a control device a is fixedly arranged on the gas tank output pipe, and the control device a is electrically connected with the centralized control board 14;
the input end of the pipeline exhaust fan 20 is respectively connected with the gas calibration box a8 and the gas calibration box b10 through a gas outlet fixed pipe 19, the output end of the pipeline exhaust fan 20 is connected with the exhaust pipe connector 13 through a gas outlet hose 18, and the pipeline exhaust fan 20 is electrically connected with the centralized control board 14;
the gas calibration box a8 and the gas calibration box b10 are both connected with a control device b through a gas inlet hose 21, and the control device b is electrically connected with the centralized control board 14;
the centralized control board 14 is electrically connected with the hygrothermograph 2, the infrared gas analyzer a3, the dual-loop gas concentration calibrator 4, the infrared gas analyzer b5 and the earth leakage protector 7 respectively.
Preferably, the input voltage of the gas concentration calibration tester is 220V.
Among them, the earth leakage protector 7 plays a role of protection.
Further, a workbench plate 9 is fixedly connected to one side of the testing machine housing 1.
Further, an openable access door 24 is installed on the side of the tester housing 1 away from the workbench plate 9.
Further, the input end of the earth leakage protector 7 is electrically connected with a three-hole plug.
Further, a fluorescent lamp 12 and an illumination switch 6 are fixedly arranged in the testing machine case 1, the illumination switch 6 is electrically connected with the fluorescent lamp 12 and the leakage protector 7 respectively, and a mounting opening corresponding to the illumination switch 6 is arranged on the testing machine case 1.
The fluorescent lamp 12 is an LED fluorescent lamp and is used for illuminating the inside of the testing machine housing 1.
Preferably, the gas calibration box a8 and the gas calibration box b10 are transparent gas calibration boxes.
Further, the control device a is an air injection solenoid valve 23, and the air injection solenoid valve 23 is electrically connected to the centralized control board 14. The gas injection solenoid valve 23 is used for controlling the on-off of the gas tank output pipe.
Further, the control device b is an intake solenoid valve 22, and the intake solenoid valve 22 is electrically connected to the centralized control board 14. The intake solenoid valve 22 is used to control the on/off of the intake hose 21.
Further, a barometer 16 is mounted on the gas tank output pipe. The gas pressure gauge 16 is used for detecting the gas pressure in the pure gas tank 17 and the gas tank output pipe.
Further, the bottom of the testing machine casing 1 is fixedly provided with a roller 11. The roller 11 is used for facilitating the movement of the gas concentration calibration testing machine.
In the invention, when a gas concentration test is required, gas enters a gas calibration box a8 and a gas calibration box b10 through an air inlet hose 21, then the gas in the gas calibration box a8 and the gas calibration box b10 are respectively detected through an infrared gas analyzer a3, an infrared gas analyzer b5 and a double-loop gas concentration calibrator 4, and meanwhile, the gas in a pure gas tank 17 is pumped into the gas calibration box a8 and the gas calibration box b10 according to a gas concentration set value, and the gas in the gas calibration box a8 and the gas calibration box b10 is diluted.
The gas concentration calibration testing machine has the functions of safety protection of concentration, monitoring and alarming of automatic or manual injection gas concentration, automatic dilution gas concentration and environment concentration and the like, can test parameters such as set values, alarm values, action values, response time, recovery time and the like of the gas concentration and verify the parameters, and has the function of discharging gas inside a test box to the outside after detection is completed, so that the safety is high.
The gas concentration calibration testing machine is simple in structure, convenient to use, capable of being automatically operated, free of manual adjustment, high in efficiency and high in safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The gas concentration calibration testing machine is characterized by comprising a testing machine shell (1), the top of the testing machine casing (1) is fixedly provided with a main exhaust pipe (15), the inner side wall of the testing machine casing (1) is fixedly provided with a pure gas tank (17), a gas calibration box a (8), a gas calibration box b (10), a hygrothermograph (2), an infrared gas analyzer a (3), a double-loop gas concentration calibrator (4), an infrared gas analyzer b (5), a leakage protector (7), an exhaust pipe interface (13), a centralized control board (14) and a pipeline exhaust fan (20), the testing machine shell (1) is provided with mounting ports corresponding to the hygrothermograph (2), the infrared gas analyzer a (3), the double-loop gas concentration calibrator (4), the infrared gas analyzer b (5) and the leakage protector (7);
the output end of the pure gas tank (17) is respectively connected with a gas calibration box a (8) and a gas calibration box b (10) through a gas tank output pipe, a control device a is fixedly arranged on the gas tank output pipe, and the control device a is electrically connected with a centralized control board (14);
the input end of the pipeline exhaust fan (20) is respectively connected with the gas calibration box a (8) and the gas calibration box b (10) through a gas outlet fixed pipe (19), the output end of the pipeline exhaust fan (20) is connected with an exhaust pipe connector (13) through a gas outlet hose (18), and the pipeline exhaust fan (20) is electrically connected with the centralized control board (14);
the gas calibration box a (8) and the gas calibration box b (10) are both connected with a control device b through a gas inlet hose (21), and the control device b is electrically connected with a centralized control board (14);
the centralized control board (14) is respectively electrically connected with the hygrothermograph (2), the infrared gas analyzer a (3), the double-loop gas concentration calibrator (4), the infrared gas analyzer b (5) and the leakage protector (7).
2. The gas concentration calibration testing machine according to claim 1, characterized in that a work table plate (9) is fixedly connected to one side of the testing machine housing (1).
3. The gas concentration calibration testing machine according to claim 2, characterized in that the side of the testing machine housing (1) away from the work bench (9) is provided with an openable access door (24).
4. The gas concentration calibration testing machine according to claim 1, wherein the input end of the leakage protector (7) is electrically connected with a three-hole plug.
5. The gas concentration calibration testing machine according to claim 1, wherein a fluorescent lamp (12) and a lighting switch (6) are fixedly arranged in the testing machine housing (1), the lighting switch (6) is electrically connected with the fluorescent lamp (12) and the leakage protector (7) respectively, and a mounting opening corresponding to the lighting switch (6) is arranged on the testing machine housing (1).
6. The gas concentration calibration testing machine according to claim 1, wherein the control device a is a gas injection solenoid valve (23), and the gas injection solenoid valve (23) is electrically connected with the centralized control board (14).
7. The gas concentration calibration testing machine according to claim 1, wherein the control device b is an air inlet solenoid valve (22), and the air inlet solenoid valve (22) is electrically connected with the centralized control board (14).
8. The gas concentration calibration testing machine according to claim 1, wherein a barometer (16) is mounted on the gas tank output pipe.
9. The gas concentration calibration testing machine according to claim 1, characterized in that the bottom of the testing machine housing (1) is fixedly provided with rollers (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887057.3A CN112067571A (en) | 2020-08-28 | 2020-08-28 | Gas concentration calibration testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887057.3A CN112067571A (en) | 2020-08-28 | 2020-08-28 | Gas concentration calibration testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN112067571A true CN112067571A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887057.3A Pending CN112067571A (en) | 2020-08-28 | 2020-08-28 | Gas concentration calibration testing machine |
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| Country | Link |
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| CN (1) | CN112067571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093840A (en) * | 2021-03-12 | 2021-07-09 | 浙江盘毂动力科技有限公司 | Industrial automation environmental control system |
-
2020
- 2020-08-28 CN CN202010887057.3A patent/CN112067571A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093840A (en) * | 2021-03-12 | 2021-07-09 | 浙江盘毂动力科技有限公司 | Industrial automation environmental control system |
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