CN212568670U - Environment monitoring device - Google Patents
Environment monitoring device Download PDFInfo
- Publication number
- CN212568670U CN212568670U CN202020533069.1U CN202020533069U CN212568670U CN 212568670 U CN212568670 U CN 212568670U CN 202020533069 U CN202020533069 U CN 202020533069U CN 212568670 U CN212568670 U CN 212568670U
- Authority
- CN
- China
- Prior art keywords
- air
- detector
- monitoring device
- nuclear radiation
- environmental monitoring
- 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
- Measurement Of Radiation (AREA)
Abstract
An environment monitoring device includes an air detector set and a nuclear radiation detector. The air detector group is used for detecting detection data of at least one component to be detected in the air passing through the air detector group; the nuclear radiation detector is used to detect radiation from the environment surrounding the nuclear radiation detector. The environment monitoring device can monitor air quality, can also monitor radiation conditions in the environment, and can be used for monitoring special application scenes with toxic and harmful chemical gases and ionizing radiation risks.
Description
Technical Field
The utility model relates to an environmental monitoring technical field, concretely relates to environmental monitoring device.
Background
The existing environment monitoring device can be used in various places and open places for environment alarm monitoring, such as environmental air emergency measurement, factory/boundary area environmental air monitoring, public environment monitoring, occupational health environment monitoring of laboratories, mining area workshops, mining area environments and the like.
Some environmental monitoring devices can detect poisonous and harmful gas in air quality and the air, and detectable air composition includes Volatile Organic Compounds (VOCs) and the monitoring of multiple inorganic toxic gas, such as inorganic toxic gas and inert gases such as carbon dioxide such as chlorine, ammonia, hydrogen chloride, hydrogen sulfide. Another part of the environment monitoring device can monitor the radiation in the environment.
However, for some special application scenarios, there are not only toxic and harmful chemical gases, but also ionizing radiation risks, especially radiochemical laboratories, nuclear medicine research laboratories, nuclear technology utilization sites, nuclear facilities, etc. where radiation workplaces coexist with hazards of general chemical factors, and for these application scenarios, not only the prevention and treatment of radiation hazards need to be emphasized, but also early warning and monitoring of hazards of chemical components in the air need to be emphasized. However, the existing environment monitoring device cannot monitor the air quality and the radiation condition in the environment at the same time, and is difficult to meet the use requirement.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide an environment monitoring device that overcomes or at least partially solves the above problems.
The utility model provides an environment monitoring device, include: the air detector group is used for detecting detection data of at least one component to be detected in the air passing through the air detector group; a nuclear radiation detector to detect radiation of an environment surrounding the nuclear radiation detector.
Optionally, the environment monitoring apparatus further comprises: the nuclear radiation detector comprises a box body, wherein an accommodating cavity used for accommodating the air detector group and the nuclear radiation detector is defined in the box body, and the box body is further provided with an air inlet used for enabling the air to enter the accommodating cavity and an air outlet used for discharging the air out of the accommodating cavity.
Optionally, the environment monitoring apparatus further comprises: and the air processing unit is arranged on an air flow path between the air inlet and the air detector group in the accommodating cavity so as to perform at least one operation of mixing, dehumidifying, drying and grading on the air passing through the air processing unit.
Optionally, the environment monitoring apparatus further comprises: the sampling pump is arranged in the accommodating cavity and used for promoting the air to enter the accommodating cavity from the air inlet and then to pass through the nuclear radiation detector, the gas processing unit and the air detector group and then to be discharged from the air outlet.
Optionally, the volume of the accommodating cavity is less than 8 cubic decimeters, and the box body comprises a box body shell made of a corrosion-resistant material or a radiation-resistant material.
Optionally, the air inlet is provided with an assembly structure for connecting an external gas production pipeline.
Optionally, the air detector group comprises at least one air detector; each of the air detectors is configured to detect detection data of one of the components to be detected in the air passing through the air detector, and each of the air detectors includes: a chemical sensor, a laser sensor, and an optical sensor.
Optionally, the at least one air detector is a plurality of air detectors arranged according to the detection index requirement of the at least one component to be detected.
Optionally, the nuclear radiation detector includes a gamma ray detector, and the environment monitoring device further includes: and the nuclear radiation early warning detector is configured to send out early warning information when the detection result of the gamma ray detector exceeds a set range.
Optionally, the air detector group and the nuclear radiation detector are arranged such that detection by the nuclear radiation detector precedes detection by the air detector group or detection by the air detector group is simultaneous with detection by the nuclear radiation detector.
Optionally, the environment monitoring apparatus further comprises: the signal conversion unit is used for receiving detection results of the air detector group and the nuclear radiation detector and converting the detection results into digital electric signals; and the display unit is used for receiving and displaying the digital electric signal.
Compared with the prior art, the utility model provides an environment monitoring device can not only monitor the air quality, can also monitor the radiation condition in the environment, can be used for monitoring had both existed poisonous and harmful chemical gas, has the special application scene of ionizing radiation risk again, satisfies user's user demand.
And relevant parts of the environment monitoring device are arranged in the box body, the box body is small in size and convenient to carry, and a box body shell of the box body is made of corrosion-resistant materials or radiation-resistant materials, so that the service life of the environment monitoring device is guaranteed.
Through the arrangement of the gas processing unit, the arrangement of the plurality of air detectors, the air detector group and the arrangement of the nuclear radiation detectors, the accuracy of the detection result is improved.
Through the arrangement of the nuclear radiation early warning detector, the signal conversion unit and the display unit, a user can conveniently know related information.
The chemical sensor has the characteristics of low detection line, high sensitivity and miniaturization. The arrangement of the laser sensor and the optical sensor enables the air detector to detect detection data of certain specific gases, so that the range of the environment monitoring device capable of detecting the components to be detected of the air is wider. Different gamma ray detectors are selected, so that the nuclear radiation detector is applicable to different measuring ranges.
The assembly structure and the sampling pump enable the environment monitoring device to collect gas more conveniently.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Fig. 1 is a schematic structural diagram of an environment monitoring device according to an embodiment of the present invention.
It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention. It is to be understood that the described embodiment is one embodiment of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs.
This embodiment provides an environmental monitoring device 10, and fig. 1 is a schematic structural diagram of the environmental monitoring device 10 according to an embodiment of the present invention.
The environmental monitoring device 10 includes an air detector array 100 and a nuclear radiation detector 200. In some embodiments, the environmental monitoring device 10 may be an environmental monitoring meter.
The air detector group 100 is configured to detect detection data of at least one component to be detected in air passing through the air detector group 100, the component to be detected may be PM2.5 (inhalable particles), Volatile Organic Compounds (VOCs), a plurality of toxic and harmful gases, and the like, the toxic and harmful gases may be toxic gases such as chlorine, ammonia, hydrogen chloride, hydrogen sulfide, and the like, or harmful gases such as carbon dioxide, and the detection data may include content of the component to be detected, and the like.
The air detector pack 100 may include at least one air detector 110; each air detector 110 is used to detect data of detection of a component to be detected in the air passing through the air detector 110.
The probe head of each air detector 110 may be different so that each air detector 110 may be used to detect different components to be detected, and table 1 below shows various relevant data for the probe heads that may be used for the air detectors 110:
TABLE 1 correlation data of the probe of the air detector
Each air detector 110 may include one of a chemical sensor, a laser sensor, and an optical sensor (in some embodiments, the air detector pack 100 may be accompanied by additional nuclear radiation detectors). The chemical sensor is used to detect data of detection of a component to be detected in the air passing through the air detector 110. The chemical sensor has the characteristics of low detection line, high sensitivity and miniaturization. An air detector 110 including a chemical sensor may be used to detect CO, H2S, an air detector 110 including a laser sensor may be used to detect CO, SF6The laser sensor may also be a laser particulate matter sensor for detecting PM2.5, and the air detector 110 including an optical sensor may be used for detecting CO. This arrangement allows the air detector 110 to detect data for certain specific gases, allowing the environmental monitoring apparatus 10 to detect a wider range of air constituents to be detected.
The at least one air detector 110 can be a plurality of air detectors 110 arranged according to detection criteria requirements of the at least one component to be detected. The detection index requirement of the at least one component to be detected can be the detection lower limit of the component to be detected, and the plurality of air detectors 110 can be arranged such that the detection lower limits of the corresponding components to be detected are arranged from low to high, that is, the air firstly passes through the corresponding air detector 110 with the low detection lower limit and then passes through the corresponding air detector 110 with the high detection lower limit, thereby improving the accuracy of the detection result. In other embodiments, the detection index requirement may also be the resolution, sensitivity, and the like of each air detector 110, so that the detection of each air detector 110 meets the respective resolution, sensitivity, and the like requirement.
The nuclear radiation detector 200 is used to detect radiation from the environment surrounding the nuclear radiation detector 200, including in the air of the surrounding environment. The environment monitoring device 10 can monitor air quality, can also monitor radiation conditions in the environment, and can be used for monitoring special application scenes with toxic and harmful chemical gases and ionizing radiation risks.
The nuclear radiation detector 200 may include a gamma ray detector, specifically, the gamma ray detector may be a cesium iodide detector, a sodium iodide detector, a GM (Geiger-muller) detector, etc., and the GM detector is a detector including a GM counting tube, which is not described herein since such detectors are known to those skilled in the art and can be easily implemented. Different gamma ray detectors may be selected to allow the nuclear radiation detector 200 to be used with different ranges.
The environmental monitoring device 10 may further include a nuclear radiation early warning detector 700, where the nuclear radiation early warning detector 700 is configured to send out early warning information when a detection result of the gamma ray detector exceeds a set range, and the nuclear radiation early warning detector 700 may be a NaI1 detector or the like. The setting range can be set when the factory leaves, can also be set by a user, and can be adjusted according to the requirements of the user. The nuclear radiation early warning detector 700 is arranged to facilitate the user to know relevant information, so that the radiation is prevented from affecting the body health of the user.
The nuclear radiation detector 200 may be different probes, as shown in table 2, and the probe of the nuclear radiation detector 200 may be a radiation monitoring probe, an emergency gamma dose rate instrument probe, or the like.
TABLE 2 correlation data of the probe of a nuclear radiation detector
The environmental monitoring device 10 can also include a housing 300. the housing 300 can include a housing shell made of a corrosion resistant material (e.g., a material that is resistant to corrosion by gases such as HF, fluorine, hydrogen sulfide, etc.) or a radiation resistant material (e.g., a lead plate, lead glass, a lead-containing graphite material, etc.). The service life of the environment monitoring device 10 is ensured.
The housing 300 defines a cavity for accommodating the air detector group 100 and the nuclear radiation detector 200, and the volume of the cavity may be less than 8 cubic decimeters, so that the whole environment monitoring device 10 is small in volume and convenient to carry.
The case 300 is further opened with an air inlet 310 for allowing air to enter the receiving chamber and an air outlet 320 for discharging air out of the receiving chamber. The air inlet 310 may be provided with a mounting structure for connecting an external gas production line. The assembly structure may be a threaded structure, a snap-fit structure, or the like, such that the environmental monitoring device 10 is more convenient for collecting gas.
The air detector set 100 and the nuclear radiation detector 200 are both disposed in the accommodating cavity of the box 300, so that the whole environment monitoring device 10 is convenient to carry, and the nuclear radiation early warning detector 700 can also be disposed in the accommodating cavity, so that the whole environment monitoring device 10 is further portable.
The environmental monitoring apparatus 10 may further include a gas processing unit 400, the gas processing unit 400 being disposed on an air flow path between the air inlet 310 and the air detector set 100 in the receiving chamber to at least one of mix, dehumidify, dry, and classify air passing through the gas processing unit 400. Specifically, the gas treatment unit 400 may include at least one of a mixer, a dehumidifier, a dryer, and a classification processor, etc. The air processed by the gas processing unit 400 enters the air detector set 100, so that the accuracy of the detection result can be improved.
Specifically, the air detector set 100 and the nuclear radiation detector 200 are arranged such that the detection by the nuclear radiation detector 200 precedes the detection by the air detector set 100 or the detection by the air detector set 100 and the nuclear radiation detector 200 are simultaneous. To avoid chemical and optical interference with the nuclear radiation detector 200.
When the nuclear radiation detector 200 is detected before the air detector set 100 is detected, the nuclear radiation detector 200 may be disposed closer to the air inlet 310, and the air detector set 100 is disposed farther from the air inlet 310, in this case, the gas processing unit 400 may be disposed on an air flow path between the air inlet 310 and the nuclear radiation detector 200, or may be disposed on an air flow path between the nuclear radiation detector 200 and the air detector set 100 (as will be understood by those skilled in the art, in this case, the air flow path between the air inlet 310 and the air detector set 100 includes an air flow path between the air inlet 310 and the nuclear radiation detector 200 and an air flow path between the nuclear radiation detector 200 and the air detector set 100), preferably, the gas processing unit 400 may be disposed on an air flow path between the nuclear radiation detector 200 and the air detector pack 100; when the air detector set 100 and the nuclear radiation detector 200 detect simultaneously, the distance between the nuclear radiation detector 200 and the air inlet 310 and the distance between the air detector set 100 and the air inlet 310 may be set to be the same, and in this case, the gas processing unit 400 is disposed on the air flow path between the air inlet 310 and the air detector set 100.
The environmental monitoring device 10 may further include a sampling pump 500, and the sampling pump 500 is disposed in the accommodating cavity and is configured to promote air to enter the accommodating cavity through the air inlet 310 and then to be discharged through the air outlet 320 after passing through the nuclear radiation detector 200, the gas processing unit 400 and the air detector group 100. Thereby making the environmental monitoring device 10 more convenient for collecting gases and, in other embodiments, the sampling pump 500 may not be provided, allowing air to diffuse freely into the containment chamber.
In some embodiments, the environmental monitoring device 10 may also include an air purifier built in to perform simple pre-treatment operations on the gas passing therethrough; the nuclear radiation detector 200 can be selected to be different types of nuclear radiation detectors 200, so that the switching monitoring of the measuring range can be realized, and the monitoring range is wider.
The environmental monitoring device 10 may further include a signal conversion unit 800 and a display unit 900.
The signal conversion unit 800 is configured to receive the detection results of the air detector group 100 and the nuclear radiation detector 200 and convert the detection results into digital electrical signals, and the signal conversion unit 800 may be a converter or an amplifier. The display unit 900 is used to receive and display the digital electrical signals. So that the user can know the relevant information. Specifically, the signal conversion unit 800 may be disposed in the accommodating cavity, and the display unit 900 may be disposed outside the accommodating cavity, for example, may be fixed to a housing case.
In some embodiments, the environmental monitoring device 10 may further include a unit for implementing functions such as meter calibration, automatic compensation, etc., so that the environmental monitoring device 10 can maintain the accuracy of the monitoring results for a long period of time.
For the embodiments of the present invention, it should be further explained that, under the condition of no conflict, the features in the embodiments and embodiments of the present invention can be combined with each other to obtain a new embodiment.
The above embodiments of the present invention are only examples, but the scope of the present invention is not limited thereto, and the scope of the present invention should be determined by the scope of the claims.
Claims (10)
1. An environmental monitoring device, comprising:
the air detector group is used for detecting detection data of at least one component to be detected in the air passing through the air detector group;
a nuclear radiation detector for detecting radiation of an environment surrounding the nuclear radiation detector;
the nuclear radiation detector comprises a box body, wherein an accommodating cavity used for accommodating the air detector group and the nuclear radiation detector is defined in the box body, and the box body is further provided with an air inlet used for enabling the air to enter the accommodating cavity and an air outlet used for discharging the air out of the accommodating cavity.
2. The environmental monitoring device of claim 1, further comprising:
and the air processing unit is arranged on an air flow path between the air inlet and the air detector group in the accommodating cavity so as to perform at least one operation of mixing, dehumidifying, drying and grading on the air passing through the air processing unit.
3. The environmental monitoring device of claim 2, further comprising:
the sampling pump is arranged in the accommodating cavity and used for promoting the air to enter the accommodating cavity from the air inlet and then to pass through the nuclear radiation detector, the gas processing unit and the air detector group and then to be discharged from the air outlet.
4. The environmental monitoring device of claim 1,
the volume of the containing cavity is less than 8 cubic decimeters, and the box body comprises a box body shell made of corrosion-resistant materials or radiation-resistant materials.
5. The environmental monitoring device of claim 1,
and an assembly structure for connecting an external gas production pipeline is arranged at the air inlet.
6. The environmental monitoring device of claim 1, wherein the set of air detectors includes at least one air detector; each of the air detectors is configured to detect detection data of one of the components to be detected in the air passing through the air detector, and each of the air detectors includes:
a chemical sensor, a laser sensor, and an optical sensor.
7. The environmental monitoring device of claim 6,
the at least one air detector is a plurality of air detectors arranged according to the detection index requirement of the at least one component to be detected.
8. The environmental monitoring device of claim 1, wherein the nuclear radiation detector comprises a gamma ray detector, and the environmental monitoring device further comprises:
and the nuclear radiation early warning detector is configured to send out early warning information when the detection result of the gamma ray detector exceeds a set range.
9. The environmental monitoring device of claim 1,
the air detector group and the nuclear radiation detector are arranged such that detection by the nuclear radiation detector precedes detection by the air detector group or the air detector and the nuclear radiation detector detect simultaneously.
10. The environmental monitoring device of claim 1, further comprising:
the signal conversion unit is used for receiving detection results of the air detector group and the nuclear radiation detector and converting the detection results into digital electric signals;
and the display unit is used for receiving and displaying the digital electric signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533069.1U CN212568670U (en) | 2020-04-13 | 2020-04-13 | Environment monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533069.1U CN212568670U (en) | 2020-04-13 | 2020-04-13 | Environment monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212568670U true CN212568670U (en) | 2021-02-19 |
Family
ID=74616702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020533069.1U Active CN212568670U (en) | 2020-04-13 | 2020-04-13 | Environment monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212568670U (en) |
-
2020
- 2020-04-13 CN CN202020533069.1U patent/CN212568670U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ashley et al. | NIOSH manual of analytical methods (NMAM) | |
| George | State-of-the-art instruments for measuring radon/thoron and their progeny in dwellings-a review | |
| CN105043954B (en) | The calibration system and its scaling method of digital dust instrument | |
| Andrews et al. | NIOSH manual of analytical methods (NMAM) | |
| US4801800A (en) | Radon collection apparatus and method | |
| CN104964903B (en) | A kind of airborne X-fluorescence real-time analyzer in high-altitude | |
| CN212568670U (en) | Environment monitoring device | |
| KR102159254B1 (en) | Apparatus for analysis of fine dust and method for analysis of fine dust | |
| Subramanian et al. | Studies on chemical speciation of sodium aerosols produced in sodium fire | |
| Iimoto et al. | Development of a technique for the measurement of the radon exhalation rate using an activated charcoal collector | |
| US4972081A (en) | Detection of contaminants in air | |
| Cee et al. | Sampling of inorganic gases and vapours | |
| Sciocchetti et al. | A new technique for measuring radon exposure at working places | |
| Ferber et al. | Dosimeter for oxides of nitrogen | |
| Lalau et al. | Performance evaluation of radon monitors at IFIN-HH, Romania | |
| CN220399653U (en) | Activated carbon box sampler for detecting radon concentration in mine | |
| Schulte | Modern concepts of air sampling and problems for the future | |
| JPH03183985A (en) | Radiation measuring and analyzing device | |
| Rhodes et al. | Portable X-ray survey meters for in situ trace element monitoring of air particulates | |
| Negro | Radometer-a portable field instrument for the rapid measurement of environmental radon and thoron | |
| Kumar et al. | Development of a PIN diode-based on-line measurement system for radon (222 Rn) and thoron (220 Rn) in the environment | |
| Bierbaum et al. | US Approach for Air Sampling of Workplace Contaminants: Current Basis and Future Options | |
| Wallingford | GCA respirable-dust monitor field trial, Barne, Vermont, November 5-14, 1973 | |
| Stetter et al. | Portable toxic vapor detector and analyzer using an electrochemical sensor array | |
| Nagamatsu et al. | A simple method for sampling and measurement of radiocarbon by a passive diffusion sampling technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |