CN215574978U - Fixed gas detector calibration device - Google Patents
Fixed gas detector calibration device Download PDFInfo
- Publication number
- CN215574978U CN215574978U CN202121695862.2U CN202121695862U CN215574978U CN 215574978 U CN215574978 U CN 215574978U CN 202121695862 U CN202121695862 U CN 202121695862U CN 215574978 U CN215574978 U CN 215574978U
- Authority
- CN
- China
- Prior art keywords
- gas
- calibration
- detector
- infrared remote
- telescopic rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a fixed gas detector calibration device, which comprises a gas transmission part, a telescopic rod and a calibration part, wherein the gas transmission part is connected with the telescopic rod; the gas transmission part comprises a standard gas cylinder, a constant-flow pressure reduction valve, a manual gas valve, a gas transmission pipe and a universal gas calibration cover; the gas transmission pipe is used for communicating the standard gas cylinder and the universal gas calibration cover; the constant-flow pressure reduction valve is arranged at the gas outlet of the standard gas cylinder; the manual gas valve is arranged on the gas transmission pipe; the universal gas calibration cover is used for completely sealing the sensor part of the gas detector to be calibrated inside and is hinged to the telescopic end of the telescopic rod; the calibration part comprises an infrared signal transmitting head, an infrared receiving head and a learning type infrared remote controller which are arranged on the telescopic rod; the infrared receiving head is electrically connected with the learning type infrared remote controller; and the infrared signal transmitting head is electrically connected with the learning type infrared remote controller and is used for transmitting an infrared remote control instruction to the gas detector to be calibrated to carry out infrared remote control.
Description
Technical Field
The utility model belongs to the field of field manual calibration of gas detectors, and particularly relates to a fixed gas detector calibration device which is convenient for field personnel to manually calibrate a gas detector.
Background
At present, the gas sensors used in gas alarms for detecting combustible, toxic and harmful gases on the market can be roughly classified according to the working principle of the sensors: the gas detector comprises a catalytic combustion type sensor, an electrochemical type sensor, an infrared optical sensor, a semiconductor type sensor, a PID (proportion integration differentiation) sensor and the like, wherein the problems of zero offset, sensitivity attenuation, damage caused by environmental factors (temperature, humidity, vibration, poisoning, oil stain blockage and the like) of the gas sensor in the using process and the like cannot be fundamentally solved by any type of sensor, and the problems are influenced by the factors, so that when a manufacturer of the gas detector leaves factory equipment, in order to ensure that the equipment has good metering precision, the service life of the sensor used by the gas detector and the calibration detection period in the running process of the detector can be noted, and the gas detector is periodically maintained, namely: the gas detector is ventilated and detected by using standard gas with known concentration, and is calibrated again, so that the gas detector can normally operate in the whole life cycle, and the gas monitored by the detector has good measurement precision.
For complex field environments, chemical enterprises can impose strict requirements on the installation position of the gas detector according to the density of leaked gas which may occur in a factory. Generally, when the measured gas density is higher than the air density, the gas detector is fixedly arranged below the gas release source, and when the gas density is lighter than the air, the gas detector is arranged 0.5-2 meters above the gas release source. Therefore, the installation position of the on-site gas detector is often higher or lower, and the regular maintenance and calibration work of the equipment by workers is greatly influenced. Meanwhile, chemical enterprises using the gas detector can generally provide periodic detection requirements higher than those specified by equipment manufacturers according to the detection periods specified by the equipment manufacturers so as to ensure the safety production of the enterprises, and the cost of manpower and material resources of the chemical enterprises is greatly increased. In addition, the operator also has the risk of non-standard inspection, and the non-standard inspection also can bring artificial damage to equipment instruments, thereby bringing certain hidden danger to the safety production of factories.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims to provide a fixed type gas detector calibration device aiming at the defects of the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the fixed gas detector calibration device comprises a gas transmission part, a telescopic rod and a calibration part; the gas transmission part comprises a standard gas cylinder, a constant-flow pressure reduction valve, a manual gas valve, a gas transmission pipe and a universal gas calibration cover; the gas transmission pipe is used for communicating the standard gas cylinder and the universal gas calibration cover; the constant-flow pressure reducing valve is arranged at the gas outlet of the standard gas cylinder and is used for reducing the pressure of high-pressure standard gas in the standard gas cylinder and then feeding the high-pressure standard gas into the gas chamber of the universal gas calibration cover at a constant flow rate; the manual gas valve is arranged on a gas transmission pipe and used for communicating or cutting off a ventilation channel between the standard gas cylinder and the universal gas calibration cover; the universal gas calibration cover is used for completely sealing the sensor part of the gas detector to be calibrated inside and is hinged to the telescopic end of the telescopic rod; the calibration part comprises an infrared signal transmitting head, an infrared receiving head and a learning type infrared remote controller which are arranged on the telescopic rod; the infrared receiving head is electrically connected with the learning type infrared remote controller and is used for learning an infrared remote control instruction of the gas detector to be calibrated; and the infrared signal transmitting head is electrically connected with the learning type infrared remote controller and is used for transmitting an infrared remote control instruction to the gas detector to be calibrated to carry out infrared remote control.
Based on the above, the general gas calibration cover comprises the plugging thin sheet made of plastic, and the plugging thin sheet is arranged at the opening of the general gas calibration cover by adopting a multi-sheet petal-shaped stacking structure.
Based on the above, the telescopic rod is provided with the locking screw for locking the telescopic length of the telescopic rod.
Based on the above, the telescopic rod is further provided with a gas pipe fixing ring for fixing the gas pipe.
Based on the above, the device further comprises a video monitoring part, wherein the video monitoring part comprises a video camera and a storage display module; the video camera is used for shooting the display condition of the detector, and is electrically connected with the storage display module in a wireless or wired mode so as to store and display the display condition of the detector on site.
Based on the above, the functions of the learning type infrared remote controller and the storage display module are realized by adopting a touch display control screen.
Based on the above, the touch display screen further comprises an illuminating device, and the illuminating device is electrically connected with the touch display control screen so as to adjust the brightness of an illuminating lamp of the illuminating device.
Compared with the prior art, the utility model has substantive characteristics and progress, and particularly comprises the following steps:
1. by using the telescopic rod and the rotary adjustable universal gas calibration cover, the problem that normal calibration operation cannot be performed in a complex field environment is solved;
2. the petal-shaped laminated plugging sheet meets the sealing performance of the air chamber and does not hinder the operation;
3. by setting the learning function of the remote controller, the learning record of the remote controllers of different manufacturers and the sending of infrared signals can be realized, and the sending of the infrared signals can realize a smaller visual included angle, so that the interference on other detectors installed in the surrounding environment caused by operating the remote controller in an open environment is avoided;
4. the visualization of the calibration process is realized by arranging a video monitoring part.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the plugging sheet of the present invention.
In the figure: 1. a universal gas calibration cover; 2. an air inlet; 3. locking the screw; 4. a gas delivery pipe; 5. a manual gas valve; 6. a constant flow pressure reducing valve; 7. a standard gas cylinder; 8. a handle; 9. a touch display control screen; 10. a telescopic rod; 11. an all-in-one machine; 12. a blocking sheet; 13. a gas pipe fixing ring; 14. a gas detector; 15. a sensor portion of the gas detector; 16. remote controller of gas detector.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in FIG. 1, the present invention provides a fixed gas detector calibration device, which comprises a gas transmission part, a telescopic rod 10, a calibration part and a video monitoring part.
The gas transmission part comprises a standard gas bottle 7, a constant-flow pressure reduction valve 6, a manual gas valve 5, a gas transmission pipe 4 and a universal gas calibration cover 1; the gas transmission pipe 4 is used for communicating the standard gas cylinder 7 with the universal gas calibration cover 1; the constant-flow pressure reduction valve 6 is arranged at the gas outlet of the standard gas cylinder 7 and is used for reducing the pressure of high-pressure standard gas in the standard gas cylinder and then entering a gas chamber of the universal gas calibration cover 1 through the gas inlet 2 at a constant flow rate; the manual gas valve 5 is arranged on the gas transmission pipe 4 and used for communicating or cutting off a ventilation channel between the standard gas cylinder 7 and the universal gas calibration cover 1; the universal gas calibration cover 1 is used for completely sealing a sensor part of a gas detector to be calibrated inside and is hinged to the telescopic end of the telescopic rod 10; specifically, the universal gas calibration cover 1 may be a hollow cylindrical cover with an opening at one end, the hollow portion is an air chamber, a plastic plugging sheet is disposed at the opening, and the plugging sheet is disposed at the opening of the universal gas calibration cover in a multi-petal stacking structure, as shown in fig. 2.
The telescopic rod 10 is provided with a plurality of locking screws 3 for locking the telescopic length of the telescopic rod; in other embodiments, the locking screw 3 is further used for locking the rotation angle between the universal gas calibration cover and the telescopic rod; the bottom end of the telescopic rod 10 is provided with a handle, so that the telescopic rod is convenient to hold. In particular, for convenience of operation, the telescopic rod 10 is further provided with a gas pipe fixing ring 13 for fixing the gas pipe. Aiming at the installation positions of the gas detector with different heights, the locking screw 3 can be opened to adjust the length of the telescopic rod 10 to a proper length, and the locking screw 3 is screwed down after adjustment.
The calibration part comprises an infrared signal transmitting head, an infrared receiving head and a learning type infrared remote controller which are arranged on the telescopic rod; the infrared receiving head is electrically connected with the learning type infrared remote controller and is used for learning an infrared remote control instruction of the gas detector to be calibrated; and the infrared signal transmitting head is electrically connected with the learning type infrared remote controller and is used for transmitting an infrared remote control instruction to the gas detector to be calibrated to carry out infrared remote control.
The video monitoring part comprises a video camera and a storage display module; the video camera is used for shooting the display condition of the detector, and is electrically connected with the storage display module in a wireless or wired mode so as to store and display the display condition of the detector on site.
Specifically, the video camera, the infrared signal emitting head and the lighting device may be integrated into an integrated machine 11 integrating functions of shooting, infrared emission and lighting, and the integrated machine is arranged at the front end of the telescopic rod 10; the learning type infrared remote controller and the storage display module are realized by adopting a touch display control screen 9 and are arranged at the rear end of the telescopic rod 10 close to the handle 8.
In other embodiments, the fixed gas detector calibration device further comprises an illumination device, and the illumination device is electrically connected with the touch display control screen 9 to adjust the brightness of an illumination lamp of the illumination device.
The use process of the device comprises the following steps:
instruction learning and pre-calibration preparation
The touch display control screen 9 is used for reading and storing the remote controller 16 of the gas detector 14 to be calibrated in advance, and an infrared remote control instruction of the gas detector 14 to be calibrated is learned. And adjusting the position of the universal gas calibration cover 1 and the position of the integrated machine 11, installing the standard gas cylinder 7, adjusting the pressure of the constant-flow pressure reducing valve 6, and closing the manual gas valve 5.
Zero point calibration
Whether the concentration value displayed by the on-site gas detector is zero or not is observed through the integrated machine 11 and the touch display control screen 9, and the brightness of an illuminating lamp on the integrated machine 11 can be adjusted according to the light of the on-site environment. If the concentration value is not zero and the concentration value displayed by the gas detector 14 is observed to be stable in the air, the infrared signal transmitting head on the operation integrated machine 11 sends a zero calibration instruction by touching the keys on the display control screen 9, so as to perform zero calibration operation on the gas detector 14.
Detector marking inspection
After the zero calibration is completed, the universal gas calibration cover 1 is covered on the sensor part 15 of the gas detector 14, the middle of the laminated plugging sheet on the universal gas calibration cover 1 is soft, the periphery of the laminated plugging sheet is slightly hard, and the sensor part 15 of the gas detector 14 can be completely sealed in the gas chamber of the universal gas calibration cover 1. At this time, the manual gas valve 5 is opened, the standard gas will fill the gas chamber of the whole gas calibration cover 1, fully react with the sensor part 15 of the gas detector 14, and after the indication value of the gas detector 14 is stabilized, the key of the touch display control screen 9 is operated, and the single-point calibration operation is finished. And repeating the execution until all the single-point calibration is completed.
The whole using process can be used for storing videos or photos, and data record inquiry is realized.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (7)
1. A fixed gas detector calibration device is characterized in that: comprises a gas transmission part, a telescopic rod and a calibration part;
the gas transmission part comprises a standard gas cylinder, a constant-flow pressure reduction valve, a manual gas valve, a gas transmission pipe and a universal gas calibration cover;
the gas transmission pipe is used for communicating the standard gas cylinder and the universal gas calibration cover;
the constant-flow pressure reducing valve is arranged at the gas outlet of the standard gas cylinder and is used for reducing the pressure of high-pressure standard gas in the standard gas cylinder and then feeding the high-pressure standard gas into the gas chamber of the universal gas calibration cover at a constant flow rate;
the manual gas valve is arranged on a gas transmission pipe and used for communicating or cutting off a ventilation channel between the standard gas cylinder and the universal gas calibration cover;
the universal gas calibration cover is used for completely sealing the sensor part of the gas detector to be calibrated inside and is hinged to the telescopic end of the telescopic rod;
the calibration part comprises an infrared signal transmitting head, an infrared receiving head and a learning type infrared remote controller which are arranged on the telescopic rod;
the infrared receiving head is electrically connected with the learning type infrared remote controller and is used for learning an infrared remote control instruction of the gas detector to be calibrated;
and the infrared signal transmitting head is electrically connected with the learning type infrared remote controller and is used for transmitting an infrared remote control instruction to the gas detector to be calibrated to carry out infrared remote control.
2. The stationary gas detector calibration apparatus as set forth in claim 1, wherein: the general gas calibration cover comprises a plastic plugging sheet, and the plugging sheet is arranged at an opening of the general gas calibration cover in a petal-shaped stacking structure.
3. The stationary gas detector calibration apparatus as set forth in claim 1, wherein: the telescopic link is provided with the locking screw who is used for locking the flexible length of telescopic link.
4. The stationary gas detector calibration apparatus as set forth in claim 1, wherein: the telescopic rod is also provided with a gas pipe fixing ring for fixing the gas pipe.
5. The stationary gas detector calibration apparatus as set forth in claim 1, wherein: the system also comprises a video monitoring part, wherein the video monitoring part comprises a video camera and a storage display module; the video camera is used for shooting the display condition of the detector, and is electrically connected with the storage display module in a wireless or wired mode so as to store and display the display condition of the detector on site.
6. The stationary gas detector calibration apparatus as set forth in claim 5, wherein: the learning type infrared remote controller and the storage display module are realized by adopting a touch display control screen.
7. The stationary gas detector calibration apparatus as set forth in claim 6, wherein: the touch display control screen is electrically connected with the touch display screen, and the lighting device is electrically connected with the touch display control screen to adjust the brightness of a lighting lamp of the lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695862.2U CN215574978U (en) | 2021-07-26 | 2021-07-26 | Fixed gas detector calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695862.2U CN215574978U (en) | 2021-07-26 | 2021-07-26 | Fixed gas detector calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574978U true CN215574978U (en) | 2022-01-18 |
Family
ID=79828195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121695862.2U Active CN215574978U (en) | 2021-07-26 | 2021-07-26 | Fixed gas detector calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574978U (en) |
-
2021
- 2021-07-26 CN CN202121695862.2U patent/CN215574978U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201335967Y (en) | On-line monitoring system for emission of industrial fumes and flue gases | |
| CN1936995A (en) | Control for industrial smoke on-line monitoring system and data transmission system and method | |
| WO2018209779A1 (en) | Air valve control method, control device, control system, and fume hood | |
| CN207610828U (en) | Portable door and window leakproofness field detecting device | |
| CN215574978U (en) | Fixed gas detector calibration device | |
| US8220308B2 (en) | Systems and methods for remotely calibrating a gas sensor | |
| CN2932374Y (en) | SF6 intelligent environment monitoring and control system and its SF6 laser detector | |
| CN201476813U (en) | Direct insert type continuous smoke monitoring data collection system | |
| CN110554145A (en) | device and method for remotely detecting and calibrating automatic flue gas monitoring system | |
| CN201425573Y (en) | Maintenance-free device for measuring dust concentration | |
| CN211577114U (en) | Novel intelligent movement gas cylinder detects transportation device | |
| CN210834838U (en) | Gas analysis device of security device | |
| CN112033865A (en) | Gas detection system and detection method | |
| CN209154977U (en) | A kind of fire fighting gas fire extinguishing system wireless pressure monitoring device | |
| CN214668559U (en) | Ultralow CEMS continuous emission monitoring devices of flue gas | |
| CN212780392U (en) | Beta-ray dust automatic monitor capable of real-time measurement | |
| CN209264679U (en) | A kind of multistation gas detecting instrument verification machine | |
| CN211913376U (en) | Intelligent gas distribution system and intelligent gas distribution device | |
| CN201397295Y (en) | Indoor air quality detector | |
| CN208476274U (en) | A kind of gas drainage pipeline gas multi-parameter | |
| CN110230773A (en) | Indoor gas corrugated stainless steel tubing pipe-line system | |
| CN114999132B (en) | Calibration device of gas alarm | |
| CN220491411U (en) | Calibration assembly frame | |
| CN217688100U (en) | Take extraction formula oxygen content analysis mechanism of pulse blowback | |
| CN218214378U (en) | High altitude combustible gas alarm calibrating installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |