CN109085188B - Explosive particle detection device and method - Google Patents
Explosive particle detection device and method Download PDFInfo
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- CN109085188B CN109085188B CN201810856367.1A CN201810856367A CN109085188B CN 109085188 B CN109085188 B CN 109085188B CN 201810856367 A CN201810856367 A CN 201810856367A CN 109085188 B CN109085188 B CN 109085188B
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- 239000002360 explosive Substances 0.000 title claims abstract description 77
- 239000002245 particle Substances 0.000 title claims abstract description 59
- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 54
- 239000012528 membrane Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011810 insulating material Substances 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 5
- 230000002285 radioactive effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention relates to a device and a method for detecting explosive particles, wherein an adsorption fan carries out directional circulation on air in an adsorption pipeline under the rotation of a motor output shaft, so that the explosive particles can be adsorbed along with the directional flow of the air, and a normally open switch is used for controlling a motor working circuit and controlling whether the motor works or not; the length of the fan is consistent with the inner radius of the circular center of the adsorption pipeline, so that the air circulation efficiency inside the fan is higher; the water storage device can help to store water, the producer is used for generating steam, and a valve is connected between the water storage device and the producer to enable the steam to be generated quantitatively; the whole semi-permeable membrane generating device is wrapped with the insulating material, and the insulating material is wrapped with the heat insulation membrane, so that discomfort of a user can be prevented, and the safety of the semi-permeable membrane generating device is improved; and the background monitoring PC stores the back thorn detection result and can compare the back thorn detection result with the transmitted back thorn detection result according to the internal original explosive peak-valley diagram.
Description
Technical Field
The invention relates to detection of explosives through a non-contact radioactive source technology, which is mainly applied to the safety field of airports and railway stations, in particular to an explosive particle detection device and method.
Background
With the progress of the current science and technology and the great increase of the income of people, people are in a normal state when going out to travel and work, and with the rise of the technology on traffic equipment in China, a great deal of high-speed rails are put into use, but in the occasions of the high-speed rails and airplanes with great investment, the situation that some illegal persons need to be prevented from being damaged arbitrarily is required.
Peace and quiet development has become the subject of the world today, however, terrorist attack activity occurs frequently, casualties and extensive panic caused by explosion are still the main attack methods adopted by terrorists, because nitro compounds such as RDX, PETN, TNG and TNT are often used by terrorists due to large explosive particles and low price, any explosive volatilizes into the air, only the difference exists in the volatilization amount, if the volatile air of the explosive in the air can be detected rapidly, the position of the explosive can be tracked and determined, thereby preventing the explosion, therefore, the rapid and sensitive detection of hidden explosive has very important significance. Meanwhile, in the detection process, the non-contact type measurement is realized without contacting the detected object, so that the method can not only conceal but also embody the respect to the detected personnel, and belongs to a more civilized detection mode.
The conventional explosive detection method, which is often limited to collect the residual chemical components on the detected object by a contact method to determine whether the detected object carries or contacts the explosive; meanwhile, the detection process is complex, the sensitivity is low, the carrying is inconvenient, accurate detection information cannot be provided sometimes, the detection time is too long, and the like.
Therefore, the proposed explosive detection device is not slow.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and is realized by the following technical scheme: in one aspect, an explosive particle detection apparatus, comprising: the explosive detection device comprises an explosive particle detection device main body and a background monitoring PC, wherein information interaction is carried out between the explosive particle detection device main body and the background monitoring PC through a wireless network, the explosive detection device comprises an explosive particle adsorption device, a semi-permeable membrane generation device, a reflection source device and a waveform diagram generator, and the explosive detection device comprises an explosive particle adsorption device, a semi-permeable membrane generation device, a reflection source device and a waveform diagram generator which are sequentially connected in an end-to-end mode.
As above-mentioned an preferred mode, explosive particle adsorption equipment is including adsorbing the mouth, be connected with the adsorption pipeline with adsorbing the mouth, be provided with in the adsorption pipeline and adsorb the leaf fan, it has the motor to adsorb the leaf fan center outer even, the motor electricity is connected with the battery, and has normally open switch through wire electric connection between motor and the battery.
Through above-mentioned technical scheme, adsorb the leaf fan under the rotation of motor output shaft, the air in the adsorption tube carries out directional circulation for the explosive granule can be adsorbed along with the directional flow of air, and wherein normally open switch is used for carrying out the control to motor work circuit, controls its work whether.
In one preferable embodiment, the center of the adsorption duct is circular, the center of the adsorption fan is coincident with the center of the adsorption fan, and the radius of the adsorption fan is equal to the radius of the center of the adsorption duct.
Through above-mentioned technical scheme, the length of leaf fan is unanimous with the inner radius at the circular center of absorption pipeline, can make its inside circulation of air efficiency higher.
Preferably, the semi-permeable membrane generating device comprises a water reservoir and a producer, a valve is connected between the water reservoir and the producer, and the producer is wound with a heating wire which is powered by a battery.
By the technical scheme, the water storage device can help to store water, the producer is used for generating steam, and a valve is connected between the water storage device and the producer to enable the steam to be generated in a fixed quantity.
In the above preferred embodiment, the entire semi-permeable film forming apparatus is wrapped with an insulating material, and the insulating material is wrapped with a heat insulating film.
Through the technical scheme, the whole semi-permeable membrane generating device is wrapped with the insulating material, and the insulating material is wrapped with the heat insulation membrane, so that discomfort of a user can be prevented, and the safety of the semi-permeable membrane generating device is improved.
In one preferred embodiment, the reflection source device is a radiation signal source, and the radiation signal is a 63Ni radiation source.
As a preferable mode, the oscillogram generator transmits the reaction spectrum to the background monitoring PC after the reflection source device is contacted with the substance.
As one preferable mode, the background monitor PC is configured to store a result of each detection, and further includes a timer and a cleaner, where the cleaner is configured to clean stored result information, and the timer is configured to perform timing, so that the cleaner performs interval-specific cleaning.
Through the technical scheme, the background monitoring PC stores the result of each detection, and can compare the graph with the graph transmitted back according to the internal original explosive peak-valley graph, if the comparison is consistent, the information is fed back to the explosive particle detection device main body and the buzzer inside the controller rings when finding the oscillogram in which the explosive particles exist.
In another aspect, the present invention provides a method for an explosive particle detection apparatus, comprising: the method comprises the following steps: s1, absorbing explosive particles on the surface of the human body by an explosive particle adsorption device;
s2, performing semi-permeable membrane treatment on the particles by using steam by using a semi-permeable membrane generating device;
s3, a reflection source device, which is used for processing the semi-permeable membrane by a 63Ni radioactive source;
s4, generating a waveform diagram by the waveform diagram generator to form peaks and troughs;
and S5, comparing the oscillogram with the oscillogram of the explosion particles stored in the background by the background detection PC.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, the adsorption fan carries out directional circulation on the air in the adsorption pipeline under the rotation of the motor output shaft, so that explosive particles can be adsorbed along with the directional flow of the air, and the normally open switch is used for controlling the working circuit of the motor and controlling whether the motor works or not; the length of the fan is consistent with the inner radius of the circular center of the adsorption pipeline, so that the air circulation efficiency inside the fan is higher; the water reservoir can help to store water, wherein the producer is used for generating steam, and a valve is connected between the water reservoir and the producer to enable the steam to be generated quantitatively; the whole semi-permeable membrane generating device is wrapped with the insulating material, and the insulating material is wrapped with the heat insulation membrane, so that discomfort of a user can be prevented, and the safety of the semi-permeable membrane generating device is improved; the background monitoring PC stores the result of each detection, and can compare with the picture that transmits back according to inside original explosive peak-valley picture, if the contrast is unanimous, finds the oscillogram that has the explosive granule to exist, then feeds back information to explosive granule detection device main part, the ring of the inside bee calling organ of controller.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
fig. 2 is an internal structure diagram of the handheld explosive detector of the present invention.
Reference numerals: 1-an explosive particle detection device body; 2-background monitoring PC; 3-an explosive particle adsorption device; 4-a semi-permeable membrane generating device; 5-a reflection source device; 6-waveform diagram generator; 7-an adsorption port; 8-an adsorption pipeline; 9-adsorption leaf fan; 10-a motor; 11-a battery; 12-a normally open switch; 13-a water reservoir; 14-a producer; 15-a valve; 16-electric heating wire; 17-an insulating material; 18-a thermally insulating film; 19-a timer; 20-a remover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to the drawings, in one aspect, an explosive particle detection apparatus, comprising: the explosive detection device comprises an explosive particle detection device main body 1 and a background monitoring PC2, wherein information interaction is carried out between the explosive particle detection device main body 1 and the background monitoring PC2 through a wireless network, the explosive detection device comprises an explosive particle adsorption device 3, a semi-permeable membrane generation device 4, a reflection source device 5 and a waveform diagram generator 6, and the explosive detection device comprises the explosive particle adsorption device 3, the semi-permeable membrane generation device 4, the reflection source device 5 and the waveform diagram generator 6 which are sequentially connected in an end-to-end mode.
As one of the above preferred modes, the explosive particle adsorption device 3 includes an adsorption port 7, be connected with the adsorption pipeline 8 with the adsorption port 7, be provided with in the adsorption pipeline 8 and adsorb leaf fan 9, it has motor 10 to adsorb leaf fan 9 center outer even, motor 10 electricity is connected with battery 11, and has normally open switch 12 through wire electric connection between motor 10 and the battery 11.
Through the technical scheme, the adsorption fan blades 9 are rotated by the output shaft of the motor 10, air in the adsorption pipeline 8 is directionally circulated, so that explosive particles can be adsorbed along with the directional flow of the air, and the normally open switch 12 is used for controlling the working circuit of the motor 10 and controlling whether the motor 10 works or not.
In one preferred embodiment, the center of the adsorption duct 8 is circular, the center of the adsorption fan 9 coincides with the center of the adsorption fan, and the radius of the adsorption fan 9 coincides with the center radius of the adsorption duct 8.
Through above-mentioned technical scheme, the length of leaf fan is unanimous with the inner radius at the circular center of adsorption pipeline 8, can make its inside circulation of air efficiency higher.
As a preferred mode, the semi-permeable membrane generating device 4 comprises a water reservoir 13 and a producer 14, a valve 15 is connected between the water reservoir 13 and the producer 14, and a heating wire 16 is wound outside the producer 14, wherein the heating wire 16 is powered by a battery 11.
By the above solution, the water reservoir 13 can help to store water, wherein the producer 14 is used to produce steam, and the connection between the water reservoir 13 and the producer 14 can enable the steam to be produced in a fixed amount by the valve 15.
In the above preferred embodiment, the entire semi-permeable film forming apparatus 4 is wrapped with an insulating material 17, and the insulating material 17 is wrapped with a heat insulating film 18.
Through the technical scheme, the whole semi-permeable membrane generating device 4 is wrapped by the insulating material 17, and the insulating material 17 is wrapped by the heat insulation membrane 18, so that discomfort of a user can be prevented, and the safety of the semi-permeable membrane generating device is improved.
In one preferred embodiment, the reflection source device 5 is a radiation signal source, and the radiation signal is a 63Ni radiation source.
As a preferred mode, the waveform generator 6 transmits the reaction pattern to the background monitor PC2 after the reflection source device 5 is contacted with the substance.
As a preferable mode, the background monitor PC2 is configured to store the result of each detection, the background monitor PC2 further includes a timer 19 and a clearer 20, the clearer 20 is configured to clear the stored result information, and the timer 19 is configured to perform timing so that the clearer 20 performs interval-specified clearing.
Through the technical scheme, the background monitoring PC2 stores the result of each detection, and can compare the graph with the graph transmitted back according to the original explosive peak-valley graph in the controller, if the comparison is consistent, the information is fed back to the explosive particle detection device main body 1 and the buzzer in the controller sounds when finding the oscillogram in which the explosive particles exist.
In another aspect, the present invention provides a method for an explosive particle detection apparatus, comprising: the method comprises the following steps: s1, absorbing explosive particles on the surface of the human body by the explosive particle adsorption device 3;
s2, performing semi-permeable membrane treatment on the particles by using steam by using the semi-permeable membrane generating device 4;
s3, a reflection source device 5, and a 63Ni radioactive source is used for processing the semi-permeable membrane;
s4, generating a waveform diagram by the waveform diagram generator 6 to form peaks and troughs;
and S5, comparing the oscillogram with the oscillogram of the explosion particles stored in the background by the background detection PC.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, the adsorption fan 9 is rotated by the output shaft of the motor 10, the air in the adsorption pipeline 8 is directionally circulated, so that explosive particles can be adsorbed along with the directional flow of the air, wherein the normally open switch 12 is used for controlling the working circuit of the motor 10 and controlling whether the motor works or not; the length of the fan is consistent with the inner radius of the circular center of the adsorption pipeline 8, so that the air circulation efficiency inside the fan is higher; the reservoir 13 can help to store moisture, wherein the producer 14 is used to generate steam, and a valve 15 connected between the reservoir 13 and the producer 14 can enable a steam generation quantity; the whole semi-permeable membrane generating device 4 is wrapped with the insulating material 17, and the insulating material 17 is wrapped with the heat insulation membrane 18, so that discomfort of a user can be prevented, and the safety of the semi-permeable membrane generating device is improved; the background monitoring PC2 stores the result of each detection, and can compare the graph with the graph transmitted back according to the original explosive peak-valley graph in the background monitoring PC2, if the comparison is consistent, the information is fed back to the explosive particle detection device main body 1 and the buzzer in the controller rings when finding the waveform graph with the existence of the explosive particles.
When the device is put into use, an inspector holds the device, presses the normally open switch, the motor drives the adsorption leaf fan to rotate, the motor drives air to flow when the adsorption leaf fan rotates, external air can adsorb explosive particles to be adsorbed to the inside, then the valve is opened, water in the water storage device flows into the production device, water vapor can be formed under the heating of the heating wire, the water vapor can enable the explosive particles to emit specific waves under the action of rays, and the emitted wave pattern can identify whether the explosive particles are the explosive particles.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. An explosive particle detection apparatus, characterized by: the system comprises an explosive particle detection device main body (1) and a background monitoring PC (2), wherein information interaction is carried out between the explosive particle detection device main body (1) and the background monitoring PC (2) through a wireless network, the explosive detection device comprises an explosive particle adsorption device (3), a semi-permeable membrane generation device (4), a reflection source device (5) and a waveform diagram generator (6), and the explosive particle adsorption device (3), the semi-permeable membrane generation device (4), the reflection source device (5) and the waveform diagram generator (6) are sequentially connected end to end; the oscillogram generator (6) is used for transmitting the reaction spectrum to the background monitoring PC (2) after the reflection source device (5) is contacted with the substance; the semi-permeable membrane generating device (4) comprises a water storage device (13) and a producer (14), a valve (15) is connected between the water storage device (13) and the producer (14), a heating wire (16) is wound outside the producer (14), and the heating wire (16) is powered by a battery (11); the whole semi-permeable membrane generating device (4) is wrapped by an insulating material (17), and the insulating material (17) is wrapped by a heat insulation membrane (18); the heating wire (16) is used to heat water in the producer (14) to form water vapour for causing explosive particles to emit waves under the influence of radiation.
2. The explosives particle detection device of claim 1, characterized in that: explosive particle adsorption equipment (3) is including adsorbing mouth (7), adsorb mouth (7) and be connected with adsorption tube way (8), be provided with in adsorption tube way (8) and adsorb leaf fan (9), it has motor (10) to adsorb leaf fan (9) center outer the connection, motor (10) electricity is connected with battery (11), and has normally open switch (12) through wire electric connection between motor (10) and battery (11).
3. The explosives particle detection device of claim 2, characterized in that: the center of the adsorption pipeline (8) is circular, the center of the adsorption fan (9) coincides with the center of the adsorption fan, and the radius of the adsorption fan (9) is consistent with the radius of the center of the adsorption pipeline (8).
4. The explosives particle detection device of claim 1, characterized in that: the reflection source device (5) is a radiation signal source, and the radiation signal is a 63Ni radiation source.
5. The explosives particle detection device of claim 1, characterized in that: the background monitoring PC (2) is used for storing the detection result every time, the background monitoring PC (2) is further provided with a timer (19) and a cleaner (20), the cleaner (20) is used for cleaning the stored result information, and the timer (19) is used for timing so that the cleaner (20) performs interval designated cleaning.
6. A detection method using the explosive particle detection apparatus according to any one of claims 1 to 5, characterized in that: the method comprises the following steps: s1, absorbing explosive particles on the surface of a human body by an explosive particle adsorption device (3);
s2, performing semi-permeable membrane treatment on the particles by using steam by using the semi-permeable membrane generating device (4);
s3, a reflection source device (5), and a 63Ni radioactive source is used for processing the semi-permeable membrane;
s4, generating a waveform diagram by a waveform diagram generator (6) to form peaks and troughs;
and S5, comparing the oscillogram with the oscillogram of the explosion particles stored in the background by the background detection PC.
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| CN2424463Y (en) * | 2000-03-24 | 2001-03-21 | 中国科学院安徽光学精密机械研究所 | On-line measurer for content of breathable air dust |
| CN2447777Y (en) * | 2000-08-08 | 2001-09-12 | 北京迪克机电技术有限公司 | Beta ray dust gauge |
| CN2709976Y (en) * | 2004-07-13 | 2005-07-13 | 郑州市光力科技发展有限公司 | Integral device for powder sampling and investigating |
| CN102565019A (en) * | 2012-01-05 | 2012-07-11 | 吉林省公安厅物证鉴定中心 | Mini-type portable type TNT (2,4,6-trinitrotoluene) explosive detector |
| CN103234878B (en) * | 2013-04-26 | 2015-09-16 | 东南大学 | The measurement mechanism of the PM2.5 distribution of particles after steam phase transformation condensation growth and method |
| CN103785265A (en) * | 2014-02-24 | 2014-05-14 | 深圳市泓耀环保有限公司 | Novel indoor air purification device |
| CN104089938B (en) * | 2014-07-22 | 2017-07-21 | 北京艾泰克科技有限公司 | Noncontact nanometer exploder detecting device |
| CN104906913B (en) * | 2015-04-17 | 2016-08-24 | 东南大学 | A kind of method and device utilizing humidification and condensation to bear water reduction airborne suspended particulate |
| CN106442320A (en) * | 2016-07-26 | 2017-02-22 | 北京艾泰克科技有限公司 | Portable explosive molecular detector |
| CN108152178A (en) * | 2016-12-05 | 2018-06-12 | 天津普瑞爱尔科技有限公司 | β rays sensor for particulate matter concentration detection and its detection method |
| KR101993438B1 (en) * | 2017-08-24 | 2019-06-27 | 지티엘코리아(주) | System for detecting explosives |
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