CN118090657A - Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof - Google Patents
Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof Download PDFInfo
- Publication number
- CN118090657A CN118090657A CN202410220512.2A CN202410220512A CN118090657A CN 118090657 A CN118090657 A CN 118090657A CN 202410220512 A CN202410220512 A CN 202410220512A CN 118090657 A CN118090657 A CN 118090657A
- Authority
- CN
- China
- Prior art keywords
- detector
- carbon dioxide
- concentration
- display screen
- cave
- 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.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 36
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000007774 longterm Effects 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000011160 research Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012937 correction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 4
- 231100000572 poisoning Toxicity 0.000 abstract description 3
- 230000000607 poisoning effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the technical field of carbon dioxide detectors, in particular to a long-short-period mode combined cave carbon dioxide concentration detector and a detection method thereof, wherein the detector comprises a detector body, the detector body comprises a detector shell, a sensor detection head is arranged at the top of the detector shell, an SD card storage is arranged at the upper end part of one side of the detector shell, and a battery mounting box is arranged at the lower end part of one side of the detector shell; the front side surface of detector casing is equipped with the display screen, the front side surface of detector casing still is equipped with on & off switch and control button, on & off switch and control button all locate the below of display screen. The method can realize the real-time monitoring of the carbon dioxide in the cave, help researchers study under the normal carbon dioxide concentration, reduce the possibility of carbon dioxide poisoning of scientific researchers in the scientific research process, realize the long-term monitoring of the carbon dioxide in the cave, and reduce the complicated repeated steps in the study process.
Description
Technical Field
The invention relates to the technical field of carbon dioxide detectors, in particular to a cave carbon dioxide concentration detector combining long-term and short-term modes and a detection method thereof.
Background
The historic climate change history is rebuilt, the change rule of the earth weather climate is searched from the historic climate change history, and important scientific basis can be provided for the prediction and forecast work of the extreme event.
Carbon dioxide plays an important role in the study of the ancient climate of a cave, and past climate conditions can be deduced by studying the content and the change of the carbon dioxide in the cave. The carbon dioxide in most caverns has no exact detection standard, the concentration of the carbon dioxide is often higher, and emergency situations such as carbon dioxide poisoning and the like are easy to occur under all unknown conditions. In addition, humidity in the cave is great in addition, and current carbon dioxide detector is because be difficult for carrying, and object collision easily causes the damage of detector when following, causes the loss, and does not have the test probe of special processing to expose outside for a long time, not only has the dust to get into through the detection hole, and cave humidity is stronger moreover, and the unavoidable moisture can get into test probe, influences the accuracy of follow-up detection data, corrodes even and destroys test probe.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the cave carbon dioxide concentration detector with the combination of the long-period mode and the short-period mode and the detection method thereof, which can realize the real-time monitoring of cave carbon dioxide, help researchers study under the normal carbon dioxide concentration, reduce the possibility of carbon dioxide poisoning of researchers in the scientific research process, realize the long-period monitoring of cave carbon dioxide and reduce the complicated repeated steps of the research process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a cave carbon dioxide concentration detector that long-short period mode combines, includes the detector body, the detector body includes the detector casing, the top of detector casing is equipped with the sensor and detects the head, the one side upper end of detector casing is equipped with SD card accumulator, the one side lower extreme of detector casing is equipped with the battery mounting box;
The front side surface of detector casing is equipped with the display screen, the front side surface of detector casing still is equipped with on & off switch and control button, on & off switch and control button all locate the below of display screen.
Preferably, a tripod is fixedly arranged at the bottom of the detector shell.
The invention also provides a detection method of the cave carbon dioxide concentration detector combined with the long-term and short-term modes, which comprises the following steps:
Step 1, if the real-time monitoring is carried out, after a switch key of a CO 2 detector is opened by a scientific research person, the mode is adjusted to a real-time monitoring mode through a control button, then the upper limit value and the lower limit value of the concentration of CO 2 are set, and are calibrated at the same time, waiting for 2 seconds, waiting for the concentration of CO 2 in the air to be detected by a sensor detection head and calculating the real-time concentration of CO 2, simultaneously sending data to a central console in the display screen, judging whether the concentration of CO 2 is in a normal range by the central console in the display screen, and displaying the result on the display screen; if the concentration exceeds the set concentration limit value of CO 2, an alarm on a display screen can give an alarm; if the concentration does not exceed the set limit value, ending the measurement;
Step 2, if long-term monitoring is required, a scientific research staff installs a tripod to the bottom of the CO 2 detector, adjusts the tripod to a proper height, places the tripod on the ground, opens a switch key of the CO 2 detector, controls a control button to select a correction module, then selects a mode module to adjust the mode to a long-term monitoring mode, selects a required time interval, starts automatic timing by an electronic clock on a display screen at the moment, monitors and generates daily average CO 2 concentration data and related curves of CO 2 in the air by a sensor detection head, displays the daily average CO 2 concentration data and related curves on the display screen, and stores the daily average CO 2 concentration data and the related curves in an SD card storage.
By adopting the technical scheme: firstly, long-term monitoring and short-term detection are combined, so that the cave carbon dioxide detector can provide more comprehensive data, and the detection is more flexible and adaptive. Secondly, the sensor detection head adopts a working principle of non-infrared interference, so that related interference factors are avoided; meanwhile, the separation membrane made of silicon dioxide is used for absorbing redundant moisture interfering with the reaction and is suitable for complex and changeable environments in the cave. Finally, the whole body of the cave carbon dioxide concentration detector is made of antirust and anti-corrosion materials, and a dampproof and anti-aging coating is also coated on the electronic display screen.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention can be used for recording the air quality change condition in the cave on a long-term and short-term time scale, and is helpful for knowing the long-term change characteristic of CO 2 in the high-humidity cave environment.
2. In the invention, predictive maintenance is performed by calculating the average concentration of carbon dioxide in the area by taking different time intervals as a unit during long-term monitoring, and data is stored in an SD card; the short-term detection can provide real-time information, and real-time early warning is carried out when the concentration of carbon dioxide in the area suddenly increases abnormally, which is particularly important for environments such as cave exploration or underground operation, and can prompt scientific researchers to take measures in time so as to ensure life safety.
3. The sensor detection head of the invention adopts the working principle of non-infrared interference, thereby avoiding related interference factors; meanwhile, the separation membrane made of silicon dioxide is used for absorbing redundant moisture of interference reaction, and is suitable for complex and changeable environments in the cave, so that more accurate scientific research on the protection of the driving.
4. The invention can provide the result of combining long-term monitoring and short-term observation for the scientific research workers so as to further improve the working efficiency of the scientific research workers.
Drawings
FIG. 1 is a schematic diagram of a carbon dioxide concentration detector according to the present invention;
FIG. 2 is a flow chart of the detection method of the present invention.
In the figure: 1 sensor detection head, 2 detector casing, 3SD card accumulator, 4 display screen, 5 on & off switch, 6 control button, 7 battery mounting box, 8 tripod.
Detailed Description
The following technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings, so that those skilled in the art can better understand the advantages and features of the present invention, and thus the protection scope of the present invention is more clearly defined. The described embodiments of the present invention are intended to be only a few, but not all embodiments of the present invention, and all other embodiments that may be made by one of ordinary skill in the art without inventive faculty are intended to be within the scope of the present invention.
Referring to fig. 1, a long-short period mode combined cave carbon dioxide concentration detector comprises a detector body, wherein the detector body comprises a detector shell 2, a sensor detection head 1 is arranged at the top of the detector shell 2, an SD card storage 3 is arranged at the upper end part of one side of the detector shell 2, and a battery mounting box 7 is arranged at the lower end part of one side of the detector shell 2;
the front side surface of detector casing 2 is equipped with display screen 4, the front side surface of detector casing 2 still is equipped with on & off switch 5 and control button 6, on & off switch 5 and control button 6 all locate the below of display screen 4.
Wherein, tripod 8 is fixed mounting in the bottom of detector casing 2.
In the embodiment, the outer part of the sensor detection head 1 is made of a titanium alloy, and a separation membrane made of SiO 2 in the inner part plays a role of drying, so that a protective filtering device is made of two layers, namely corrosion resistance and oxidation resistance; the sensor is SENSEAIRS core infrared sensor, and the working principle of the sensor detection head 1 is non-infrared interference (NDIR). The detector housing 2 is made of ABS material, is corrosion-resistant, oxidation-resistant, and waterproof, and has a grade of IP66. The SD card memory 3 is used for storing data information 1TB, and the reading speed is 150MB/S. The display screen 4 is an electronic display screen and is used for displaying the concentration of CO 2 and a real-time curve in real time, emitting red light and alarming when the concentration of CO 2 exceeds a set upper limit, and displaying the average concentration of CO 2 every 24 hours and generating a corresponding curve in a long-term monitoring mode. The display screen is internally provided with a central console, which stores data information and controls a central system for detection and data transmission. The data transmission aspect adopts modbus and 485 interfaces, a GX-12-4P plug, an RS232 output Json data format is provided, and a hard disk memory and a data interface are arranged in the data transmission aspect, so that the data can be stored and transmitted in a signal-free wild tunnel. Meanwhile, the internal program is provided with a timing system electronic clock, and under a long-term monitoring mode, the detection time interval can be set, so that the requirement of timing detection and data collection is met. In addition, the display screen is coated with a Parylene coating, has the characteristics of no color and transparency, no influence on light transmittance, moisture and water resistance, can reach the protection grade of IP68, and has the functions of aging resistance, corrosion resistance and UV resistance. The switch key 5 is made of stainless steel/aluminum alloy, is waterproof, dustproof, corrosion-resistant, high-temperature-resistant and damage-resistant, and has a mechanical life of more than 100 ten thousand times. The control button 6 is made of stainless steel/aluminum alloy, is waterproof, dustproof, corrosion-resistant, high-temperature-resistant, damage-resistant and has a mechanical life of more than 100 ten thousand times, and has a calibration button, so that the upper limit of the concentration of CO 2 can be set by the user, and meanwhile, a short-term detection mode and a long-term monitoring mode can be set. The battery mounting box 7 can be provided with 4 1.5v dry batteries, and is internally provided with a low-power-consumption rate collector, the static power is less than 50uA, so that the instrument can operate for a long time with low power consumption in a long-term monitoring mode. The tripod bracket 8 is formed by a detachable magnesium-aluminum alloy thickened and reinforced foot rest, and the outside is coated with an ABS resin antirust and corrosion-resistant coating.
Referring to fig. 2, a method for detecting a carbon dioxide concentration detector of a cave by combining long-term and short-term modes comprises the following steps:
Step 1, if the real-time monitoring is performed, after a switch key 5 of a CO 2 detector is opened by a scientific research person, the mode is adjusted to a real-time monitoring mode through a control button 6, then the upper limit value and the lower limit value of the concentration of CO 2 are set, and are calibrated at the same time, waiting for 2 seconds, waiting for the concentration of CO 2 in the air to be detected by a sensor detection head 1 and calculated as real-time CO 2, simultaneously sending data to a central console in the display screen 4, judging whether the concentration of CO 2 is in a normal range by the central console in the display screen 4, and displaying the result on the display screen 4; if the concentration exceeds the set concentration limit value of CO 2, an alarm on the display screen 4 can give an alarm; if the concentration does not exceed the set limit value, ending the measurement;
Step 2, if long-term monitoring is to be performed, a scientific research staff installs the tripod 8 at the bottom of the CO 2 detector, adjusts the tripod to a proper height, places the tripod on the ground, opens the CO 2 detector on-off key 5, controls the control button 6 to select the correction module, then selects the mode module to adjust the mode to be a long-term monitoring mode, selects a required time interval, if the time interval is set to be 6 hours, an electronic clock on the display screen 4 starts to automatically count, and with 24 hours as a unit, CO 2 in the air is monitored by the sensor detection head 1, daily average CO 2 concentration data and related curves are generated, displayed on the display screen 4 and stored in the SD card storage 3.
In this embodiment, first, long-term monitoring and short-term detection are combined, so that the cave carbon dioxide detector can provide more comprehensive data, and the detection has flexibility and adaptability. Secondly, the sensor detection head adopts a working principle of non-infrared interference, so that related interference factors are avoided; meanwhile, the separation membrane made of silicon dioxide is used for absorbing redundant moisture interfering with the reaction and is suitable for complex and changeable environments in the cave. Finally, the whole body of the cave carbon dioxide concentration detector is made of antirust and anti-corrosion materials, and a dampproof and anti-aging coating is also coated on the electronic display screen, so that the service life of the cave carbon dioxide concentration detector is effectively prolonged.
In summary, the method can be used for recording the air quality change condition in the cave on a long-and-short-term time scale, and is helpful for knowing the long-term change characteristic of CO 2 in the high-humidity cave environment; the combined result of long-term monitoring and short-term observation can be provided for the scientific research workers, so that the working efficiency of the scientific research workers is further improved.
The description and practice of the invention disclosed herein will be readily apparent to those skilled in the art, and may be modified and adapted in several ways without departing from the principles of the invention. Accordingly, modifications or improvements may be made without departing from the spirit of the invention and are also to be considered within the scope of the invention.
Claims (3)
1. The utility model provides a cave carbon dioxide concentration detector that long-short period mode combines, includes the detector body, its characterized in that, the detector body includes detector casing (2), the top of detector casing (2) is equipped with sensor detection head (1), one side upper end of detector casing (2) is equipped with SD card accumulator (3), one side lower extreme of detector casing (2) is equipped with battery mounting box (7);
The front side surface of detector casing (2) is equipped with display screen (4), the front side surface of detector casing (2) still is equipped with on & off switch (5) and control button (6), on & off switch (5) and control button (6) all locate the below of display screen (4).
2. The long-short period mode combined cave carbon dioxide concentration detector according to claim 1, wherein a tripod 8 is fixedly arranged at the bottom of the detector shell (2).
3. The method for detecting the carbon dioxide concentration of the cave combined with the long-short period mode according to claim 2, which is characterized by comprising the following steps:
Step 1, if the real-time monitoring is carried out, after a switch key (5) of a CO 2 detector is opened by a scientific research personnel, the mode is adjusted to a real-time monitoring mode through a control button (6), then the upper limit value and the lower limit value of the concentration of CO 2 are set, the calibration is carried out simultaneously, 2 seconds are waited, the concentration of CO 2 in the air is waited for being detected by a sensor detection head (1) and calculated, meanwhile, data is sent to a central console in a display screen (4), and the central console in the display screen (4) judges whether the concentration of CO 2 is in a normal range or not and then is displayed on the display screen (4); if the concentration exceeds the set concentration limit value of CO 2, an alarm on the display screen (4) can give an alarm; if the concentration does not exceed the set limit value, ending the measurement;
Step 2, if long-term monitoring is required, a scientific research person installs a tripod (8) at the bottom of the CO 2 detector, adjusts the tripod to a proper height, places the tripod on the ground, opens a CO 2 detector switch key (5), controls a control button (6) to select a correction module, then selects a mode module to adjust the mode to a long-term monitoring mode, selects a required time interval, starts automatic timing by an electronic clock on a display screen (4), monitors and generates daily average CO 2 concentration data and a related curve by a sensor detection head (1) in 24h as a unit, displays the daily average CO 2 concentration data and the related curve on the display screen (4), and stores the daily average CO 2 concentration data and the related curve in an SD card storage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410220512.2A CN118090657A (en) | 2024-02-28 | 2024-02-28 | Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410220512.2A CN118090657A (en) | 2024-02-28 | 2024-02-28 | Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118090657A true CN118090657A (en) | 2024-05-28 |
Family
ID=91147272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410220512.2A Pending CN118090657A (en) | 2024-02-28 | 2024-02-28 | Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118090657A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9182751B1 (en) * | 2013-07-16 | 2015-11-10 | Alarm.Com Incorporated | Carbon dioxide monitoring |
| CN204902896U (en) * | 2015-09-17 | 2015-12-23 | 中国地质科学院岩溶地质研究所 | Cave carbon dioxide concentration, continuous automatic monitoring device of temperature and humidity |
| CN107505278A (en) * | 2017-09-19 | 2017-12-22 | 桂林电子科技大学 | A kind of online gas concentration lwevel monitoring instrument and detection method |
| CN210664590U (en) * | 2019-11-08 | 2020-06-02 | 贵州黔之境农旅发展有限公司 | Cave environment influences monitoring devices to human body |
| CN111239333A (en) * | 2019-09-26 | 2020-06-05 | 贵州师范大学 | Device and method suitable for monitoring air environments of different heights of cave |
| CN212513124U (en) * | 2020-06-29 | 2021-02-09 | 贵州黔之境农旅发展有限公司 | Cave carbon dioxide concentration, temperature and humidity continuous automatic monitoring device |
| CN115097077A (en) * | 2022-06-30 | 2022-09-23 | 中国华能集团清洁能源技术研究院有限公司 | Concentration monitoring device for carbon dioxide in karst cave |
| CN116148498A (en) * | 2023-03-23 | 2023-05-23 | 南通大学 | Long-term karst water drop rate measuring and receiving device |
-
2024
- 2024-02-28 CN CN202410220512.2A patent/CN118090657A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9182751B1 (en) * | 2013-07-16 | 2015-11-10 | Alarm.Com Incorporated | Carbon dioxide monitoring |
| CN204902896U (en) * | 2015-09-17 | 2015-12-23 | 中国地质科学院岩溶地质研究所 | Cave carbon dioxide concentration, continuous automatic monitoring device of temperature and humidity |
| CN107505278A (en) * | 2017-09-19 | 2017-12-22 | 桂林电子科技大学 | A kind of online gas concentration lwevel monitoring instrument and detection method |
| CN111239333A (en) * | 2019-09-26 | 2020-06-05 | 贵州师范大学 | Device and method suitable for monitoring air environments of different heights of cave |
| CN210664590U (en) * | 2019-11-08 | 2020-06-02 | 贵州黔之境农旅发展有限公司 | Cave environment influences monitoring devices to human body |
| CN212513124U (en) * | 2020-06-29 | 2021-02-09 | 贵州黔之境农旅发展有限公司 | Cave carbon dioxide concentration, temperature and humidity continuous automatic monitoring device |
| CN115097077A (en) * | 2022-06-30 | 2022-09-23 | 中国华能集团清洁能源技术研究院有限公司 | Concentration monitoring device for carbon dioxide in karst cave |
| CN116148498A (en) * | 2023-03-23 | 2023-05-23 | 南通大学 | Long-term karst water drop rate measuring and receiving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USRE43903E1 (en) | Severe weather detector and alarm | |
| US6310554B1 (en) | Severe weather detection apparatus and method of detecting and warning of severe weather conditions | |
| CN104076068A (en) | Vehicle and monitoring alarm apparatus for environment inside vehicle | |
| US4918628A (en) | Stability meter for floating objects | |
| CN109110060A (en) | A kind of intelligence Marine Radioactivity in-situ monitoring anchor system's buoy and application method | |
| CN118090657A (en) | Cave carbon dioxide concentration detector combining long-term mode and short-term mode and detection method thereof | |
| CN108267170B (en) | Environment monitoring method and device | |
| CN101476897A (en) | Board displacement digital displaying detector with recording and alarming function | |
| CN2475032Y (en) | Indoor air quality monitor | |
| CN209841846U (en) | Floated water quality detection sensing device | |
| CN203178232U (en) | Vehicle and interior environmental monitoring alarming device | |
| CN202093193U (en) | Meteorological instrument | |
| CN215387274U (en) | Be used for carbon dioxide fire extinguisher failure detection warning base | |
| CN115389595A (en) | Long-life intelligent carbon monoxide sensor | |
| CN201429490Y (en) | Acoustic anemometry for SF6 gas-leakage monitoring and alarming system | |
| CN113350727A (en) | Be used for carbon dioxide fire extinguisher failure detection warning base | |
| CN112288273B (en) | Intelligent information management system for offshore small ship | |
| CN213874455U (en) | Indoor microenvironment intelligent sensing device | |
| CN211505378U (en) | Multifunctional multi-scene indoor environment monitor | |
| CN210865021U (en) | Well lid alarm and alarm system | |
| CN215984655U (en) | Reservoir safety monitoring equipment with early warning function | |
| CN207248915U (en) | A kind of self-tolerant acceleration monitoring device | |
| CN211504233U (en) | Sewage treatment device regular maintenance control system | |
| CN213518602U (en) | Gas detection alarm device | |
| CN220339424U (en) | Device for monitoring concentration pressure intensity of carbon dioxide inside and outside airtight goaf |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |