CN119413225A - A handheld nuclear radiation and chemical substance triple detector - Google Patents
A handheld nuclear radiation and chemical substance triple detector Download PDFInfo
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- CN119413225A CN119413225A CN202411239399.9A CN202411239399A CN119413225A CN 119413225 A CN119413225 A CN 119413225A CN 202411239399 A CN202411239399 A CN 202411239399A CN 119413225 A CN119413225 A CN 119413225A
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- 230000005855 radiation Effects 0.000 title claims abstract description 46
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 132
- 239000000523 sample Substances 0.000 claims abstract description 62
- 238000001228 spectrum Methods 0.000 claims abstract description 44
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 31
- 238000001237 Raman spectrum Methods 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 239000000383 hazardous chemical Substances 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000003440 toxic substance Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
- G01N21/658—Raman scattering enhancement Raman, e.g. surface plasmons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
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Abstract
本发明属于核辐射与有毒有害物质检测技术领域，具体为一种手持式核辐射与化学物质三重检测仪。包括控制主板、拉曼光谱检测模块、核素鉴别和辐射剂量探测模块、光谱检测探头、触摸控制屏、内置电池和壳体；控制主板、拉曼光谱检测模块、核素鉴别和辐射剂量探测模块、内置电池设置于主壳中；拉曼光谱检测模块、核素鉴别和辐射剂量探测模块和内置电池同控制主板连接；主壳顶端设有透光孔，对应到拉曼光谱检测模块上的拉曼激光发射孔，透光孔外侧上设有可拆卸的光谱检测探头；触摸控制屏设置于主壳正面，和控制主板连接；本发明结构简单，便于携带，具有拉曼光谱检测、核素种类鉴别、辐射剂量探测等三重功能，现场手持操作，操作便捷快速。
The present invention belongs to the technical field of nuclear radiation and toxic and hazardous substances detection, and is specifically a handheld nuclear radiation and chemical substance triple detector. It includes a control mainboard, a Raman spectrum detection module, a nuclide identification and radiation dose detection module, a spectrum detection probe, a touch control screen, a built-in battery and a shell; the control mainboard, the Raman spectrum detection module, the nuclide identification and radiation dose detection module, and the built-in battery are arranged in the main shell; the Raman spectrum detection module, the nuclide identification and radiation dose detection module and the built-in battery are connected to the control mainboard; a light-transmitting hole is arranged at the top of the main shell, corresponding to the Raman laser emission hole on the Raman spectrum detection module, and a detachable spectrum detection probe is arranged on the outside of the light-transmitting hole; the touch control screen is arranged on the front of the main shell and connected to the control mainboard; the present invention has a simple structure, is easy to carry, has triple functions such as Raman spectrum detection, nuclide type identification, and radiation dose detection, and can be operated handheld on site, which is convenient and fast to operate.
Description
Technical Field
The invention belongs to the technical field of nuclear radiation and toxic and harmful substance detection, and particularly relates to a handheld nuclear radiation and chemical substance triple detector.
Background
Currently, there are numerous units for the production, sale, use of radioisotopes and radiation devices, among which are a considerable number of related units and sites for chemical production, operation, etc. For example, 60Co、137 Cs nuclear radiation source has the advantages of strong penetrability, non-contact continuous test and the like as a level indicator, is particularly suitable for measuring substances in containers such as high-pressure, high-temperature, corrosive and toxic substances and the like, and is widely applied to the industries such as hazardous chemical production, petrochemical industry, chemical fertilizers and the like.
The detection of disaster sites such as fire and explosion accidents, chemical accidents, nuclear accidents and the like in units and places is an important content of fire rescue work. The rapid and effective detection is carried out on the fire rescue site, and meanwhile, chemical substances are identified and analyzed, and the types and the radiation doses of environmental nuclides are identified and detected, so that the fire rescue site is greatly beneficial to scientifically carrying out fire rescue, emergency treatment and other works, and is also beneficial to guaranteeing the life safety and the physical health of fire rescue workers.
However, it is difficult to perform comprehensive and effective detection and analysis on fire scene substances and environments by using a single detection method and instrument. The Raman spectrum technology has the advantages of short analysis time, strong discrimination capability, convenient use and the like, can accurately and qualitatively analyze solid and liquid samples in a short time, is widely applied to various field detection works, and is a powerful and ideal technical means for quick detection work of fire-fighting rescue field chemical substances. Raman spectroscopy can detect and analyze chemical substances, but cannot determine the species and radiation dose in the environment. The existing related nuclear radiation detection equipment can detect nuclide types and radiation doses, but cannot detect chemical substances on a fire scene. Therefore, the existing single raman spectrometer or related instruments such as a nuclear and nuclear radiation detector cannot comprehensively and effectively detect chemical substances on fire scene, nuclides in environment and radiation dose, and cannot meet the fire scene detection work requirements of nuclear dangerous chemical accidents.
Disclosure of Invention
The invention aims to provide a hand-held nuclear radiation and chemical substance triple detector which is simple to operate and convenient to carry.
The invention provides a handheld nuclear radiation and chemical substance triple detector which comprises a control main board, a Raman spectrum detection module, a nuclide identification and radiation dose detection module, a spectrum detection probe, a touch control screen, a built-in battery and a shell, wherein the control main board is connected with the Raman spectrum detection module;
The shell comprises a main shell and a back shell, the back surface of the main shell is opened, and the back shell cover is combined at the position of the opening;
The control main board, the Raman spectrum detection module and the built-in battery are arranged in the main shell;
The back shell is provided with a hollow protruding part, and the nuclide identification and radiation dose detection module is arranged in the protruding part;
the Raman spectrum detection module is provided with a Raman laser emission hole which is closely arranged at the inner side of the light hole, and a detachable spectrum detection probe is arranged at the outer side of the light hole;
a control button is also arranged on the main shell and connected with the control main board;
the touch control screen is arranged on the front surface of the main shell and connected with the control main board, and can control Raman spectrum detection, nuclide identification and radiation dose detection.
In the invention, the positions of the light holes of the main shell and the positions of the spectrum detection probes are correspondingly provided with the magnetic attraction rings, the main shell is detachably connected with the spectrum detection probes in a magnetic attraction mode, and the spectrum detection probes can directly detect samples.
The invention is also provided with a sample-placing type spectrum detection bin, the top surface of the bin body is provided with an opening to form a storage cavity for placing a transparent sample bottle, the side surface of the bin body is provided with a magnetic attraction ring which is used for being detachably connected with the main shell, and the surface is provided with a through hole or made of transparent material for allowing Raman laser to pass through and irradiate into the bin body;
The opening of the top surface of the bin body is also provided with a slot for inserting the lamellar surface-enhanced Raman detection device, so that a sample of the surface-enhanced Raman detection device faces the light hole;
And the Raman laser emitted by the Raman spectrum detection module irradiates the sample in the sample bottle or on the enhancement substrate of the surface enhanced Raman detection device.
When the device is used, aiming at an accident scene, the device can be started through a control button, the functions of nuclide identification and radiation dose detection are selected through a screen, a nuclide identification and radiation dose detection module is started through a control main board, the detection information of nuclide identification and radiation dose detection is processed through the control main board, and then the detection result is displayed on the screen;
For the solid and liquid samples, such as chemicals, soil and other residues, liquid substances and the like, which can be directly extracted, a spectrum detection probe is directly taken down to be replaced by a sample-placing type spectrum detection bin, the chemicals, soil and other residues are placed in a transparent sample bottle, the transparent sample bottle is placed in an opening of the sample-placing type spectrum detection bin, raman laser emitted by a raman spectrum detection module is directly irradiated into the transparent sample bottle through a light transmission hole or a transparent surface to carry out sample detection, collected spectrum information is processed through a control main board and then a detection analysis result is displayed on a screen, or for the liquid sample with low concentration, such as the solution sample with low concentration of the chemical substances in the soil and other substrates, the spectrum detection probe is directly taken down to be replaced by the sample-placing type spectrum detection bin, the low concentration solution sample is dripped on a reinforcing substrate of a lamellar surface-reinforcing raman detection device, the surface-reinforcing raman detection device is enabled to contain the compound sample to be detected, the surface-reinforcing raman detection device is inserted into a groove of the sample-placing type spectrum detection bin to carry out sample detection, the collected spectrum information is directly irradiated through the control main board to carry out the light transmission hole or the transparent surface to carry out the control of the sample, and then the analysis result is displayed on the screen.
The invention has simple structure and convenient carrying, has triple functions of Raman spectrum detection, nuclide identification, radiation detection and the like, is operated in a handheld manner on site, and can provide quick and reliable technical support for the on-site detection work of fire rescue of nuclear-related dangerous chemicals.
Drawings
Fig. 1 is a general illustration of the present invention.
Fig. 2 is a schematic representation of the explosive structure of the present invention.
FIG. 3 is a schematic diagram of a sample placement-type spectral detection cartridge according to the present invention.
In the figure, the reference numeral 1 is a control main board, 2 is a Raman spectrum detection module, 3 is a spectrum detection probe, 4 is a nuclide identification and radiation dose detection module, 5 is a built-in battery, 6 is a touch control screen, 7 is a main shell, 8 is a back shell, 9 is a sample placement type spectrum detection bin, 10 is a protruding part, 11 is a light hole, 12 is a Raman laser emission hole, 13 is a cylindrical object placement inner cavity, and 14 is a strip-shaped slot.
Detailed Description
The invention comprises a control main board 1, a Raman spectrum detection module 2, a spectrum detection probe 3, a nuclide identification and radiation dose detection module 4, a built-in battery 5, a touch control screen 6 and a shell 7;
the shell is made of plastic materials, is integrally cuboid and comprises a main shell 7 and a back shell 8, the back of the main shell 7 is opened, a baffle in a structural form is arranged at the front position and is used for supporting and fixing components in each shell, and the back shell 8 is covered at the position of the back opening;
the control main board 1, the Raman spectrum detection module 2 and the built-in battery 5 are arranged in the main shell 7, and the Raman spectrum detection module 2 and the built-in battery 5 are connected with the control main board 1 through circuits;
The back shell 8 is provided with a hollow protruding part 10, the nuclide identification and radiation dose detection module 4 is arranged in the protruding part 10, so that the nuclide identification and radiation dose detection module 4 and the Raman spectrum detection module 2 are separated into two working areas, and the nuclide identification and radiation dose detection module 4 is connected with the control main board 1 through a flat cable;
the Raman spectrum detection module 2 is provided with a Raman laser emitting hole 12, the Raman laser emitting hole 12 is closely arranged at the inner side of the light hole 11, the outer side of the light hole 11 is provided with a detachable spectrum detection probe 3, the light hole 11 of the main shell 7 and the spectrum detection probe 3 are correspondingly provided with magnetic attraction rings, the main shell 7 and the spectrum detection probe 3 are detachably connected in a magnetic attraction mode, the spectrum detection probe 3 can be directly contacted with a sample for detection, the length of the spectrum detection probe 3 is matched with that of the Raman laser focusing point, and more accurate spectrum test is performed;
The magnetic attraction ring can be an annular magnet or a magnetic strip which is annularly arranged at the position of the light hole 11, and a metal strip is arranged at the position corresponding to the insertion position of the spectrum detection probe 3, and the positions of the spectrum detection probe 3 and the light hole 11 of the main shell are provided with concave clamping grooves for embedding and fixing the magnetic attraction ring and the metal strip;
the periphery area of the light hole 11 of the main shell 7 is provided with a concave structure, and the butt joint surface of the corresponding spectrum detection probe 3 is provided with a convex structure, so that the spectrum detection probe 3 is convenient to adsorb, install and position;
The side surface of the main shell 7 is also provided with a plurality of control buttons which are connected with the control main board 1 through a circuit and can control and select Raman spectrum detection, nuclide identification, radiation detection, startup and shutdown and the like;
the touch control screen 6 is arranged on the front surface of the main shell 7 and fixed on the baffle plate, the touch control screen 6 is connected with the control main board 1 through a circuit, and control such as Raman spectrum detection, nuclide identification, radiation dose detection and test parameter setting can be performed through the touch control screen 6.
In addition, the sample placing type spectrum detection bin 9 is also arranged, the bin body is a cube, the top surface of the bin body is provided with an opening and is a round opening, a cylindrical object placing inner cavity 13 is formed in the bin body and used for placing a transparent sample bottle, one side surface of the bin body is in butt joint with the main shell 1, the side surface is provided with a magnetic attraction ring and a protrusion structure used for positioning and is used for being detachably connected with the main shell 1 in a magnetic attraction positioning way, and the side surface is provided with a through hole for Raman laser to penetrate through and irradiate into the bin body, or the side surface is provided with an opening, the protrusion structure is a transparent block and is embedded and fixed in the opening and used for the Raman laser to penetrate through the transparent block and irradiate into the bin body;
the cylindrical inner cavity 13 of the bin body is provided with a strip-shaped slot 14 correspondingly on the left and right sides, a lamellar surface-enhanced Raman detection device can be inserted, a sample of the surface-enhanced Raman detection device faces the light hole 11, and Raman laser emitted by the Raman spectrum detection module 2 irradiates the sample in the sample bottle or on the enhanced substrate of the surface-enhanced Raman detection device.
The nuclide identification and radiation dose detection module 4 is an integrated component of an existing nuclide identification module and radiation dose detection module, or an existing direct dual function integrated module.
When the device is used, aiming at an accident scene, the device can be started through a control button, the functions of nuclide identification and radiation dose detection are selected through a screen, a nuclide identification and radiation dose detection module is started through a control main board, the detection information of nuclide identification and radiation dose detection is processed through the control main board, and then the detection result is displayed on the screen;
For the solid and liquid samples, such as chemicals, soil and other residues, liquid substances and the like, which can be directly extracted, a spectrum detection probe is directly taken down to be replaced by a sample-placing type spectrum detection bin, the chemicals, soil and other residues are placed in a transparent sample bottle, the transparent sample bottle is placed in an opening of the sample-placing type spectrum detection bin, raman laser emitted by a raman spectrum detection module is directly irradiated into the transparent sample bottle through a light transmission hole or a transparent surface to carry out sample detection, collected spectrum information is processed through a control main board and then a detection analysis result is displayed on a screen, or for the liquid sample with low concentration, such as the solution sample with low concentration of the chemical substances in the soil and other substrates, the spectrum detection probe is directly taken down to be replaced by the sample-placing type spectrum detection bin, the low concentration solution sample is dripped on a reinforcing substrate of a lamellar surface-reinforcing raman detection device, the surface-reinforcing raman detection device is enabled to contain the compound sample to be detected, the surface-reinforcing raman detection device is inserted into a groove of the sample-placing type spectrum detection bin to carry out sample detection, the collected spectrum information is directly irradiated through the control main board to carry out the light transmission hole or the transparent surface to carry out the control of the sample, and then the analysis result is displayed on the screen.
The invention has simple structure and convenient carrying, has triple functions of Raman spectrum detection, nuclide identification, radiation detection and the like, is operated in a handheld manner on site, and can provide quick and reliable technical support for the on-site detection work of fire rescue of nuclear-related dangerous chemicals.
While the above-described methods are illustrated and described as a series of structures for simplicity of explanation, it is to be understood and appreciated that the methods are not limited by the specific details, as some structures may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by those skilled in the art.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The hand-held nuclear radiation and chemical substance triple detector is characterized by comprising a control main board, a Raman spectrum detection module, a nuclide identification and radiation dose detection module, a spectrum detection probe, a touch control screen, a built-in battery and a shell;
The shell comprises a main shell and a back shell, the back surface of the main shell is opened, and the back shell cover is combined at the position of the opening;
The control main board, the Raman spectrum detection module and the built-in battery are arranged in the main shell;
The back shell is provided with a hollow protruding part, and the nuclide identification and radiation dose detection module is arranged in the protruding part;
the Raman spectrum detection module is provided with a Raman laser emission hole which is closely arranged at the inner side of the light hole, and a detachable spectrum detection probe is arranged at the outer side of the light hole;
a control button is also arranged on the main shell and connected with the control main board;
the touch control screen is arranged on the front surface of the main shell and connected with the control main board, and can control Raman spectrum detection, nuclide identification and radiation dose detection.
2. The hand-held nuclear radiation and chemical substance triple detector according to claim 1, wherein magnetic attraction rings are correspondingly arranged on the positions of the light holes of the main shell and the spectrum detection probes, the main shell and the spectrum detection probes are detachably connected in a magnetic attraction mode, and the spectrum detection probes can directly detect samples.
3. The hand-held nuclear radiation and chemical substance triple detector according to claim 2, further comprising a sample placement type spectrum detection bin, wherein the top surface of the bin body is provided with an opening to form a storage cavity for placing a transparent sample bottle, the side surface of the bin body is provided with a magnetic attraction ring for being detachably connected with the main shell, and the surface is provided with a through hole or a transparent material for allowing Raman laser to penetrate through and irradiate into the bin body;
And a slot is further formed in the opening of the top surface of the bin body and is used for inserting the lamellar surface-enhanced Raman detection device, so that a sample of the surface-enhanced Raman detection device faces the light hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411239399.9A CN119413225A (en) | 2024-09-05 | 2024-09-05 | A handheld nuclear radiation and chemical substance triple detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411239399.9A CN119413225A (en) | 2024-09-05 | 2024-09-05 | A handheld nuclear radiation and chemical substance triple detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119413225A true CN119413225A (en) | 2025-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411239399.9A Pending CN119413225A (en) | 2024-09-05 | 2024-09-05 | A handheld nuclear radiation and chemical substance triple detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119413225A (en) |
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2024
- 2024-09-05 CN CN202411239399.9A patent/CN119413225A/en active Pending
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