CN114166804A - Fluorescence detector capable of continuously monitoring and detection method - Google Patents
Fluorescence detector capable of continuously monitoring and detection method Download PDFInfo
- Publication number
- CN114166804A CN114166804A CN202010944053.4A CN202010944053A CN114166804A CN 114166804 A CN114166804 A CN 114166804A CN 202010944053 A CN202010944053 A CN 202010944053A CN 114166804 A CN114166804 A CN 114166804A
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- fluorescence detector
- test paper
- vertical plate
- sampling test
- stepping motor
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 title abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 238000012360 testing method Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000001917 fluorescence detection Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 5
- 230000001976 improved effect Effects 0.000 abstract description 4
- 239000000383 hazardous chemical Substances 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 description 10
- 239000003814 drug Substances 0.000 description 7
- 229940079593 drug Drugs 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—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
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N2001/022—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/04—Batch operation; multisample devices
- G01N2201/0438—Linear motion, sequential
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention belongs to the technical field of hazardous substance detection, and particularly relates to a fluorescence detector and a detection system capable of continuously monitoring, which comprise: a vertical plate; the wiping head is arranged at the top end of the inner side of the vertical plate, and the top end of the wiping head is higher than the top end of the vertical plate; sampling test paper; one or more rollers which play a role in tensioning and guiding the test paper which is wiped and sampled; a first stepper motor; a second stepping motor; the fluorescent detector is arranged on one side of the wiping head along the paper roll conveying direction, and the probe of the fluorescent detector is close to the sampling test paper part of the wiped object to detect the substance; and the data processing and control module. The automatic wiping and sampling device disclosed by the invention has the advantages that the automatic wiping and sampling of the sampling test paper are realized, the manual wiping and manual plugging into the equipment detection port are avoided, the labor cost is reduced, the working efficiency is improved, the large-flow uninterrupted detection requirement is met, the automatic replacement of the polluted sampling test paper above the wiping head is realized, the manual participation is not required, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of hazardous substance detection, and particularly relates to a detector and a detection method capable of continuously monitoring contraband such as drugs and explosives.
Background
Powdery crystals or solid explosives, drugs, highly toxic drugs and the like are easy to hide, carry, move and transport, and become important contraband which harms the society. The detection of dangerous goods in the prior art is mainly divided into two modes, one mode is that a large amount of samples are needed to analyze a detection result, and the other mode is that a trace detection technology is utilized to carry out detection and analysis.
However, most of the trace detection equipment at the present stage adopts a table-type or handheld detector, in order to achieve the detection purpose, the sampling test paper needs to be sequentially wiped and sampled on the surface of the explosive package by manpower, and then the sampling test paper is sent into the equipment for detection, so that the detection requirements of non-invasive, rapid and continuous contraband articles such as explosives and the like cannot be met, and therefore, how to rapidly and nondestructively detect suspicious contraband articles in the flow under the premise of ensuring the human body safety has very important significance for national safety and social stability.
Disclosure of Invention
One of the objectives of the present invention is to provide an automatic detector capable of continuously monitoring contraband articles such as drugs and explosives, which can quickly and efficiently detect and locate explosives and violent materials in express packages.
The second objective of the present invention is to provide an automatic detection method corresponding to the above-mentioned detector capable of continuously monitoring contraband such as drugs and explosives.
In order to achieve the above object, the present invention provides a fluorescence detector capable of continuous monitoring, comprising: a vertical plate; the wiping head is arranged at the top end of the inner side of the vertical plate, and the top end of the wiping head is higher than the top end of the vertical plate by a distance smaller than 10 mm; sampling test paper; one or more rollers which play a role in tensioning and guiding the test paper which is wiped and sampled; a first stepper motor; a second stepping motor; the fluorescent detector is arranged on one side of the wiping head along the paper roll conveying direction, and the probe of the fluorescent detector is close to the sampling test paper part of the wiped object to detect the substance; and the data processing and control module.
Preferably, the vertical plate structure further comprises an induction sensor arranged on the outer side of the top of the vertical plate and used for inducing the articles.
Preferably, the wiping head is a spring pressing component or a roller which can be pressed downwards; further preferably, the top end of the spring pressing component or the upper top end of the roller under the condition of no pressure is slightly higher than the top end of the vertical plate.
Preferably, an encoder is located in the direction of transport of the sample strip for calculating the length of the sample strip passing through the fluorescence detector.
Preferably, the roller and the fluorescence detector are arranged on the same side.
Preferably, the vertical plate also comprises a reinforcing rib at the bottom of the vertical plate.
Preferably, the data processing and control module is electrically connected with the induction sensor, the first stepping motor, the second stepping motor, the fluorescence detector and the encoder.
The outside of wiping the head is walked around to the sampling test paper, a plurality of roller bearings and encoder, and be connected to both ends on the output shaft of first step motor and second step motor, the output shaft of first step motor is the pay-off axle, the output shaft of second step motor is for drawing the material axle, both take-ups make the sampling test paper be in the tensioning state, the sampling test paper that does not wipe promptly is rolled up in first step motor, in operation, first step motor and second step motor produce the linkage, play the tensioning, the effect of initial coiling and transport sampling test paper, the sampling test paper that will have cleaned is rolled up on second step motor. Wherein the sampling test paper is in the form of a roll, preferably a strip.
Preferably, the fluorescence detector also has a housing designed according to the use requirements.
Preferably, the fluorescence detector also has a power source.
According to another aspect of the present invention, there is provided a fluorescence detection method capable of continuous monitoring, comprising contacting an object to be detected with a sampling test paper of a fluorescence detector, wherein the sampling test paper of the fluorescence detector is a roll.
The invention has the beneficial effects that: 1. compared with the existing scheme, the detection instrument is installed below the seams of the two conveying belts, automatic wiping and sampling of the friction sampling test paper are achieved, handheld equipment is not needed, manual wiping and manual filling in of an equipment detection port are avoided, the labor cost is reduced, the working efficiency is improved, and the large-flow uninterrupted detection requirement is met. 2. The sampling test paper is in a roll material form, and after the device detects that the package contains explosives, the device can automatically send a signal to enable the stepping motor to rotate to drive the sampling test paper, so that the automatic replacement of the polluted sampling test paper surface above the ejector rod contact is realized, the manual participation is not needed, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a continuously monitored fluorescence detector according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a spring pressing assembly according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper" - "lower" - "front" - "rear" - "left" - "right" - "top" - "bottom" - "inner" - "outer" etc. indicate orientations or positional relationships that are based on those shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation-be constructed and operated in a particular orientation-and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" - "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted" -; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, an embodiment of the present invention provides a fluorescence detector capable of continuous monitoring, including: a vertical plate 1; the sensor 2 is arranged on the outer side of the top of the vertical plate 1 and used for sensing the package; the spring pressing component 3 is arranged on the inner side of the top of the vertical plate 1, and the top end of a mandril 3-1 of the spring pressing component 3 is slightly higher than the top end of the vertical plate 1 under the condition of no pressure; the roller 4 plays a role in tensioning and guiding the sampling test paper 5, and the tensioning of the sampling test paper 5 comprises a plurality of rollers 4 arranged on the inner side of the vertical plate 1; a 10Y80G stepping motor 6 arranged at the bottom of the left side of the vertical plate 1 and beside the roller 4; an E6B2-CWZ3E encoder 9 in the middle of the vertical plate 1 is used for calculating the length of the sampling test paper passing through the fluorescence detector; the 30300G stepping motor 7 is positioned below the 10Y80G stepping motor 6; the fluorescent detector 8 is arranged on the right side (namely the side along the paper rolling conveying direction) of the spring pressing component 3, and the substance detection is carried out by the probe of the fluorescent detector approaching to the sampling test paper part of the wiped object; a fixed bottom plate 11 for supporting the vertical plate 1; reinforcing ribs 13 are arranged at the bottom of the vertical plate 1; a data processing and control module 12.
The sampling test paper 5 bypasses the outer side of the spring pressing component 3, the plurality of rollers 4 and the encoder 9, and two ends of the sampling test paper are connected to output shafts of the stepping motors 6 and 7, wherein the output shaft of the stepping motor 6 is a feeding shaft, the output shaft of the stepping motor 7 is a pulling shaft, the two shafts are tensioned, so that the sampling test paper 5 is in a tensioned state, and the sampling test paper 5 is in a roll material form, preferably in a belt shape. The sampling test paper 5 which is not wiped is rolled on the stepping motor 6, when the sampling test paper rolling machine works, the stepping motor 6 and the stepping motor 7 are linked to play roles in tensioning, initially winding and conveying the sampling test paper, and the wiped sampling test paper is rolled on the stepping motor 7. The data processing and control module 12 is electrically connected with the induction sensor 2, the stepping motor 6, the stepping motor 7, the fluorescence detector 8 and the encoder 9, the data processing and control module 12 is used for receiving signals of the induction sensor 2, the fluorescence detector 8 and the encoder 9, the stepping motor 6 and the stepping motor 7 are controlled to rotate after receiving the signal that the induction sensor 2 passes through the article, and the sampling test paper which is wiped with the article is transferred to the probe of the fluorescence detector 8.
Preferably, the fluorescence detector also has a housing designed according to the use requirements.
Specifically, as shown in fig. 2, the spring pressing assembly 3 includes a top rod 3-1, a spring 3-2 sleeved on the top rod 3-1, a fixing block 3-3 and a limiting block 3-4.
The ejector rod 3-1 is sleeved with the spring 3-2, then the rod body is sleeved into the fixed block 3-3, the limiting block 3-4 is screwed at the tail end of the ejector rod 3-1 to prevent the spring from popping, and the ejector rod 3-1 and the limiting block are connected through screws. The spring pressing component 3-3 is connected with the vertical plate 1 through the fixing block 3-3.
The working principle of the detector is as follows: the detector can be made into a handheld device or a device capable of being fixed, the spring pressing component which is wound with the sampling test paper and is positioned at the top of the vertical plate is in contact with an object to be detected, the sampling test paper wipes substances on the surface of the object to be detected, and the wiped sampling test paper is driven by the motor to rotate to the fluorescent detector along the rolling shaft for substance detection. If the article contains drugs or explosives, drug or explosive powder can be remained on the sampling test paper, a powder area (a pollution surface) remained on the sampling test paper is driven to a fluorescence detector below through the rotation of a stepping motor, the detection is carried out through a system containing the fluorescence detector based on a fluorescence sensing technology, and data analysis is carried out through a data processing and control module. And the sampling test paper on the top of the vertical plate is clean sampling test paper.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A fluorescence detector capable of being continuously monitored is characterized by comprising a vertical plate, a wiping head, a sampling test paper, a first stepping motor, a second stepping motor, a fluorescence detector and a data processing and control module, wherein the wiping head is arranged at the top end of the inner side of the vertical plate, and the top end of the wiping head is higher than that of the vertical plate;
the sampling test paper bypasses the outer side of the wiping head and connects two ends of the sampling test paper to output shafts of a first stepping motor and a second stepping motor, the output shaft of the first stepping motor is a feeding shaft, and the output shaft of the second stepping motor is a pulling shaft.
2. The fluorescence detector according to claim 1, further comprising one or more rollers disposed inside the vertical plate, an inductive sensor disposed on the top of the vertical plate for sensing an object, an encoder disposed in the direction of the transportation of the sample strip, a stiffener disposed on the bottom of the vertical plate, a housing, and a power source.
3. The fluorescence detector according to claim 1 or 2, wherein the data processing and control module is electrically connected to the first stepper motor, the second stepper motor, and the fluorescence detector.
4. The fluorescence detector according to claim 1 or 2, wherein the data processing and control module is electrically connected to the first stepper motor, the second stepper motor, the fluorescence detector, the inductive sensor, and the encoder.
5. The fluorescence detector according to claim 1, wherein the wiping head and the fluorescence detector are disposed on the same side of the riser.
6. The continuously monitorable fluorescence detector instrument of claim 1 wherein said wiping head is a depressible spring loaded assembly or roller.
7. The fluorescence detector capable of continuous monitoring according to claim 6, wherein said spring pressing assembly comprises a top bar, a spring fitted on the top bar, a fixing block and a limiting block.
8. The continuously monitorable fluorescence detector according to claim 1 and wherein the distance from the tip of the wiper head to the tip of the riser is < 10 mm.
9. The continuously monitorable fluorescence detector according to claim 1 and wherein the sample strip is in the form of a strip.
10. A method of continuously monitoring fluorescence detection, comprising contacting an article to be detected with a sample strip of a fluorescence detector according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944053.4A CN114166804A (en) | 2020-09-10 | 2020-09-10 | Fluorescence detector capable of continuously monitoring and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944053.4A CN114166804A (en) | 2020-09-10 | 2020-09-10 | Fluorescence detector capable of continuously monitoring and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN114166804A true CN114166804A (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010944053.4A Pending CN114166804A (en) | 2020-09-10 | 2020-09-10 | Fluorescence detector capable of continuously monitoring and detection method |
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| CN (1) | CN114166804A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252934A (en) * | 2020-09-10 | 2022-03-29 | 浙江啄云智能科技有限公司 | Detector, detection system and detection method capable of continuously monitoring forbidden substances |
| CN115420535A (en) * | 2022-08-05 | 2022-12-02 | 临海市鸥巡电子科技有限公司 | Automatic sample collection device |
| CN115684113A (en) * | 2022-10-28 | 2023-02-03 | 北京卓因达科技有限公司 | Device and method for automatically detecting trace substances on surface |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090246881A1 (en) * | 2006-09-22 | 2009-10-01 | Redxdefense, Llc | Detection of Explosives Using Luminescence |
| JP2010207728A (en) * | 2009-03-10 | 2010-09-24 | Seiko Epson Corp | Sheet end detector, wiping unit, and droplet discharging apparatus |
| CN203249788U (en) * | 2013-05-09 | 2013-10-23 | 苏州微木智能系统有限公司 | Handheld continuous sampling device |
| CN106644553A (en) * | 2016-12-08 | 2017-05-10 | 清华大学 | Wiping sampling device, card reader and gate machine |
| CN206208559U (en) * | 2016-09-19 | 2017-05-31 | 黄京跃 | A kind of novel quantitative sampling robot |
| CN206696044U (en) * | 2017-02-27 | 2017-12-01 | 深圳中物安防科技有限公司 | A kind of heating sampling control system of fluorescence explosive detection instrument |
| US20180196078A1 (en) * | 2017-01-11 | 2018-07-12 | Nuctech Company Limited | Wiping-type sample sampling and feeding device, card reading apparatus, and gate machine apparatus |
| CN109421378A (en) * | 2017-09-01 | 2019-03-05 | 精工爱普生株式会社 | Wiper unit, liquid injection apparatus and wiper member use up state judging method |
| CN110398467A (en) * | 2019-08-31 | 2019-11-01 | 蒋夏丽 | Method and device for detecting narcotics and explosives |
| CN110567930A (en) * | 2019-10-22 | 2019-12-13 | 中国人民解放军军事科学院军事医学研究院 | A quantum dot fluorescence detection device and a quantum dot fluorescence monitor |
-
2020
- 2020-09-10 CN CN202010944053.4A patent/CN114166804A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090246881A1 (en) * | 2006-09-22 | 2009-10-01 | Redxdefense, Llc | Detection of Explosives Using Luminescence |
| JP2010207728A (en) * | 2009-03-10 | 2010-09-24 | Seiko Epson Corp | Sheet end detector, wiping unit, and droplet discharging apparatus |
| CN203249788U (en) * | 2013-05-09 | 2013-10-23 | 苏州微木智能系统有限公司 | Handheld continuous sampling device |
| CN206208559U (en) * | 2016-09-19 | 2017-05-31 | 黄京跃 | A kind of novel quantitative sampling robot |
| CN106644553A (en) * | 2016-12-08 | 2017-05-10 | 清华大学 | Wiping sampling device, card reader and gate machine |
| US20180196078A1 (en) * | 2017-01-11 | 2018-07-12 | Nuctech Company Limited | Wiping-type sample sampling and feeding device, card reading apparatus, and gate machine apparatus |
| CN206696044U (en) * | 2017-02-27 | 2017-12-01 | 深圳中物安防科技有限公司 | A kind of heating sampling control system of fluorescence explosive detection instrument |
| CN109421378A (en) * | 2017-09-01 | 2019-03-05 | 精工爱普生株式会社 | Wiper unit, liquid injection apparatus and wiper member use up state judging method |
| JP2019043031A (en) * | 2017-09-01 | 2019-03-22 | セイコーエプソン株式会社 | WIPER UNIT, LIQUID EJECTING DEVICE, AND WIPPING MEMBER END STATE JUDGING METHOD |
| CN110398467A (en) * | 2019-08-31 | 2019-11-01 | 蒋夏丽 | Method and device for detecting narcotics and explosives |
| CN110567930A (en) * | 2019-10-22 | 2019-12-13 | 中国人民解放军军事科学院军事医学研究院 | A quantum dot fluorescence detection device and a quantum dot fluorescence monitor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252934A (en) * | 2020-09-10 | 2022-03-29 | 浙江啄云智能科技有限公司 | Detector, detection system and detection method capable of continuously monitoring forbidden substances |
| CN115420535A (en) * | 2022-08-05 | 2022-12-02 | 临海市鸥巡电子科技有限公司 | Automatic sample collection device |
| CN115684113A (en) * | 2022-10-28 | 2023-02-03 | 北京卓因达科技有限公司 | Device and method for automatically detecting trace substances on surface |
| CN115684113B (en) * | 2022-10-28 | 2024-03-08 | 北京卓因达科技有限公司 | Automatic detection device and method for surface trace substances |
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Application publication date: 20220311 |