CN211123311U - Detection device for underwater suspected explosion source - Google Patents
Detection device for underwater suspected explosion source Download PDFInfo
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- CN211123311U CN211123311U CN201922419880.7U CN201922419880U CN211123311U CN 211123311 U CN211123311 U CN 211123311U CN 201922419880 U CN201922419880 U CN 201922419880U CN 211123311 U CN211123311 U CN 211123311U
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Abstract
The utility model provides a detection device of suspected explosion source under water, this detection device include neutron radiation source and gamma ray detector, and this neutron radiation source is used for to waiting to detect the suspected explosion source emission neutron under water, and this gamma ray detector is used for detecting the gamma ray that comes from the suspected explosion source under water. According to the utility model discloses a detection device including neutron radiation source and gamma ray detector's suspected explosion source under water can enlarge greatly and detect the radius of the suspected explosion source under water, realizes the remote detection of the suspected explosion source under water, has reduced the danger degree. In addition, the detection accuracy of the underwater suspected explosion source is greatly improved through a neutron element analysis technology, the risk of false alarm is reduced, the detection efficiency is improved, and therefore the production efficiency is improved.
Description
Technical Field
The utility model relates to a detection device of suspected explosion source, concretely relates to a detection device that is used for suspected explosion source under water.
Background
At present, the anti-terrorism situation in China and abroad is severe, and the underwater security protection equipment which is produced in this environment provides safety guarantee for ship navigation and ports and dams with important political and military significance. In the present case, the major threat of ships, ports and dams comes from explosives launched at fixed points in the water by terrorists or hostile forces. The enemy potential force hides an explosion source underwater in advance, and after detonation is carried out in a touch or remote control mode, serious damage is caused to nearby ships, submarines, ports or dams and the like. If these explosives cannot be detected and handled in a timely manner, there is a high probability of irreparable damage to the associated vessel, port or dam.
At present, underwater detectors mainly comprise two types, one type is detection equipment based on sonar, and the equipment has the defects of low precision and low working speed; the other type is a video-based underwater television, and the equipment is greatly influenced by the transparency of seawater, has short detection distance and can only be within a range of several meters. In addition, although research on underwater detection using laser light is advanced, the detection distance and accuracy are difficult to meet the actual requirements due to the backscattering of seawater.
In addition, because the suspected explosive source is located in water, the conventional dangerous goods radiographic imaging technology does not have good applicability due to the strong ray attenuation effect of water. Accordingly, there is a need in the art to provide a hazardous material detection device that can quickly and efficiently identify a suspected source of an explosion in water in case the surrounding facility is damaged by the explosive.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one aspect among the above-mentioned technical problem, the embodiment of the utility model provides a detection device of suspected explosion source under water, through neutron element analysis technique, detect and analyze the characteristic element that suspected explosion source is rich in, realize the effective detection and the discrimination of potential explosion source under water.
According to an aspect of the utility model, a detection device of suspected explosion source under water is provided, and this detection device includes neutron radiation source and gamma-ray detector, and this neutron radiation source is used for to waiting to detect the suspected explosion source emission neutron under water, and this gamma-ray detector is used for detecting the gamma-ray that comes from the suspected explosion source under water.
According to the utility model discloses a detection device including neutron radiation source and gamma ray detector's suspected explosion source under water can enlarge greatly and detect the radius of the suspected explosion source under water, realizes the remote detection of the suspected explosion source under water, has reduced the danger degree. In addition, the detection accuracy of the underwater suspected explosion source is greatly improved through a neutron element analysis technology, the risk of false alarm is reduced, the detection efficiency is improved, and therefore the production efficiency is improved.
According to the utility model discloses a detection device's of suspected explosive source an preferred embodiment under water, detection device of suspected explosive source still includes and bears the device, and this bears the device and is used for bearing neutron radiation source and gamma ray detector to can move in aqueous.
In another preferred embodiment of the detection device of a suspected source of explosion underwater according to the invention, the carrying device comprises a monitoring vessel.
According to a further preferred embodiment of the device for detecting a suspected source of explosion underwater, the carrier device comprises a cable for releasing or retrieving the neutron emitting source and the gamma ray detector into or from the water.
In a further preferred embodiment of the device for detecting a source of a suspected explosion underwater according to the invention, the cable comprises a cable.
According to the utility model discloses a detection device of suspected explosion source under water still one preferred embodiment, detection device of suspected explosion source under water still includes the controller, the controller is used for controlling neutron radiation source emission neutron and to coming from gamma-ray detector's data are gathered and are analyzed.
In another preferred embodiment of the device for detecting a suspected explosive source under water according to the present invention, the controller is in communication with the neutron radiation source and the gamma-ray detector via a cable for releasing or retrieving the neutron radiation source and the gamma-ray detector into or from the water.
According to a further preferred embodiment of the device for detecting an underwater suspected explosive source of the present invention, the neutron radioactive source comprises a D-D neutron generator or a Cf-252 isotope neutron radioactive source.
In a further preferred embodiment of the device for detecting a source of a suspected explosion underwater according to the invention, the gamma-ray detector comprises a NaI detector or L aBr3And a detector.
Compared with the prior art, the utility model discloses at least one among the following beneficial effect has:
(1) according to the utility model discloses a detection device of suspected explosion source under water can carry out accurate judgement to it on the basis of detecting device of suspected explosion source under water. Irradiating the underwater suspected explosion source by a neutron radiation source, processing and analyzing components of the underwater suspected explosion source by utilizing ray characteristics of gamma rays generated by irradiating the explosion source with neutrons, and judging that the underwater suspected explosion source contains explosives when certain characteristic values of the detected gamma rays reach a certain threshold value;
(2) according to the utility model discloses a detection device of suspected explosion source under water including neutron radiation source and gamma-ray detector can enlarge the radius of detection of suspected explosion source under water greatly, realizes the remote detection of suspected explosion source under water, has reduced the danger degree;
(3) the detection accuracy of the underwater suspected explosion source is greatly improved through a neutron element analysis technology, the risk of false alarm is reduced, the detection efficiency is improved, and therefore the production efficiency is improved.
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 diagram of a device for detecting a suspected explosive source underwater according to an exemplary 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.
The utility model provides a detection device of suspected explosion source under water realizes the accurate detection and the discrimination to suspected explosion source under water through this detection device to reduce the loss that the explosive is detonated and causes as far as possible. The explosives are generally rich in elements such as carbon (C), hydrogen (H), nitrogen (N) and oxygen (O), and the content of characteristic elements of the detected object can be analyzed by a neutron element analysis technology, so as to determine whether the explosives exist in the detected object, so as to identify the explosive source.
The device 10 for detecting an underwater suspected explosive source according to the present invention mainly comprises a neutron radioactive source 12 for emitting neutron beam and a gamma-ray detector 14 for detecting gamma-ray emitted from the suspected explosive source 40 due to receiving the neutron beam. The neutron radioactive source 12 is used for generating neutrons and emitting the generated neutrons to an underwater suspected explosion source 4() to be detected; the gamma ray detector 14 is used to detect gamma rays generated by the neutron beam encountered by the underwater suspected explosive source 40 to confirm the presence of explosives.
Here, a moderating shield (not shown) may be provided in the neutron radiation source 12 to perform a moderating shield process on neutrons generated from the neutron radiation source 12, thereby generating a corresponding neutron beam according to a demand. The explosive source usually contains nitrogen elements, fast neutrons generated by the neutron radioactive source 12 can be moderated into thermal neutrons through the moderating shield, then the content of the nitrogen elements is determined by detecting characteristic gamma rays emitted by the suspected explosive source 40 in water under the irradiation of the thermal neutrons through the gamma ray detector 14, and then whether the suspected explosive source in water is an explosive or not is judged, and the related elimination work of the explosive is further carried out.
According to the utility model discloses a detection device 10 of suspected explosion source under water can carry out the analysis to the elemental content who is detected the object through neutron elemental analysis technique, and then confirms whether there is the explosive in suspected explosion source 40 under water to accomplish the discernment operation of explosion source. Gamma rays emitted by the underwater suspected explosion source 40 after receiving neutrons can be detected by the gamma ray detector 14, and the content of characteristic elements in the underwater suspected explosion source 40 can be accurately determined by analyzing the detected gamma rays, so that the explosion source can be accurately identified.
According to the utility model discloses a detection device 10 of suspected explosive source still includes load device 16 under water, and load device 16 is used for bearing neutron radiation source 12 and gamma ray detector 14 to this load device 16 can move in aqueous. The carrier device 16 may be a vehicle floating on water or a vehicle capable of being submerged. Preferably, the carrier 16 comprises a monitoring vessel capable of sailing on water, so as to transport the neutron-emitting source 12 and the gamma-ray detector 14 to the water area where the detection of the underwater suspected explosive source is required, and after sailing substantially directly above the underwater suspected explosive source, the neutron-emitting source 12 and the gamma-ray detector 14 are released into the water to detect the relevant local water area. Additionally, the carrier 16 may also include a submersible that can transport the neutron-emitting source 12 and the gamma ray detector 14 to any location in the body of water, and control the neutron-emitting source 12 to emit neutrons to the suspected explosive source at a suitable location adjacent the underwater suspected explosive source, and detect and analyze gamma rays emitted from the object to be detected by the gamma ray detector 14.
Further, the carrier 16 of the device 10 for detecting underwater suspected explosive sources according to the present invention includes a cable 18 for releasing or retrieving the neutron emitting source 12 and the gamma ray detector 14 into or from the water. Accordingly, the carrier device 16 may be kept away from the underwater suspected explosive source 40, such as by sailing the carrier device 16, e.g., a monitoring vessel, directly above the underwater suspected explosive source 40, the monitoring vessel releasing the neutron radiation source 12 and the gamma ray detector 14 via the cable 18 into the monitoring range of the detection device 10 of the underwater suspected explosive source, and controlling the neutron radiation source 12 to emit neutrons and the gamma ray detector 14 to detect gamma rays. Advantageously, the cable includes a cable that provides both limited movement of the neutron source 12 and the gamma ray detector 14 and communication with the neutron source 12 and the gamma ray detector 14 for communication with the neutron source 12 and the gamma ray detector 14.
In order to realize the control of the neutron radioactive source 12 and the gamma-ray detector 14, the detection device for the underwater suspected explosive source according to the present invention further includes a controller 20, wherein the controller 20 is used for controlling the neutron radioactive source 12 to emit neutrons and collecting and analyzing data from the gamma-ray detector 14. The controller 20 may be a single chip, a computer, a mobile phone, or other similar mobile terminal, which has data processing and storing functions.
Further, the controller 20 may be communicatively coupled to the neutron radiation source 12 and the gamma ray detector 14 via cables that release or retrieve the neutron radiation source 12 and the gamma ray detector 14 into or from the water. That is, the neutron radiation source 12 and the gamma ray detector 14 may be provided with limited movement by cables, and information communication between the neutron radiation source 12 and the gamma ray detector 14 and the controller 20 may be achieved by cables.
The neutron radiation source may be a D-D neutron generator or a Cf-252 isotope neutron radiation source, both of which are capable of meeting the neutron radiation requirements for the underwater suspected explosive 40. additionally, the gamma ray detector includes a NaI detector or L aBr3The two gamma ray detectors can detect gamma rays emitted by an explosive source through neutron irradiation, and process detection signals through the controller 20 to judge whether the suspected explosive source is an explosive or not.
The utility model provides a detection device 10 of suspected explosive source under water is at first through the neutron irradiation that neutron radiation source 12 sent to wait to detect the object, then detects the neutron irradiation and waits to detect the characteristic gamma ray that sends behind the object to the analysis and confirm to detect the element content characteristic of the material of object, and then judges whether to contain the explosive in waiting to detect the object. According to the utility model discloses a detection device design of suspected explosion source under water can be used to the investigation of the suspected explosion source in important waters, effectively prevents to travel the naval vessel in the waters and suffers explosion attack, further strengthens the monitoring ability to waters safety.
The detection device 10 for the underwater suspected explosion source can be applied to the investigation of the suspected explosion source of an important water area. The utility model discloses an utilize the basis the utility model discloses a detection device 10 of suspected explosive source under water carries out the explosive source and surveys time measuring, at first utilizes patrol ship or utilizes the utility model provides a bearing device 16 carries out the waters and surveys, in case discover under water suspected explosive source 40, then can make bearing device 16 sail to near waters of suspected explosive source 40 under water, transfers neutron radiation source 12 to the release position through release hawser 18 to make under water suspected explosive source 40 be in the irradiation range of neutron radiation source 12. At the same time, the gamma ray detector 14 is lowered into the vicinity of the underwater suspected explosive source 40 so that gamma rays emanating therefrom can be detected. Here, the gamma ray detector 14 may be closer to the underwater suspected explosive source 40 than the neutron source 12 to more accurately and quickly measure gamma rays. In addition, the cable connecting the controller 20 to the neutron radiation source 12 and the cable connecting the controller 20 to the gamma ray detector 14 may be the same cable or different cables.
After the above placing operation is ready, the controller 20 is used to control the neutron radioactive source 12 (which may be a D-D neutron generator, or a Cf-252 isotope neutron source) to radiate neutrons to irradiate the underwater suspected explosion source 40, the gamma ray detector 14 (which may be a NaI detector, or an L aBr3 detector, or other detectors) is used to detect gamma ray signals from the underwater suspected explosion source 40, the detected signals are transmitted to the controller 20 through the cable 18, and the controller 20 analyzes and determines the content characteristics of material elements (mainly N elements) in the object to be detected, so as to determine whether explosives exist in the object to be detected.
According to the utility model discloses a detection device 10 of suspected explosion source under water can carry out accurate judgement to it on the basis of detecting device 10 of suspected explosion source under water. The neutron radioactive source 12 irradiates the underwater suspected explosion source 40, the ray characteristics of gamma rays generated by irradiating the explosion source with neutrons are utilized to process and analyze components of the underwater suspected explosion source 40, and when certain characteristic values of the detected gamma rays reach a certain threshold value, the underwater suspected explosion source 40 can be judged to contain explosives. The detection device 10 for the underwater suspected explosive source not only can greatly improve the operation radius for screening the suspected explosive source in the water area, but also greatly improves the screening accuracy of the suspected explosive source, thereby having important application value for protecting important water areas.
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 (9)
1. A device for detecting a suspected source of an underwater explosion, comprising:
the neutron radioactive source is used for emitting neutrons to the underwater suspected explosive source to be detected; and
a gamma ray detector for detecting gamma rays from the underwater suspected explosive source.
2. The apparatus for detecting a source of a suspected explosion under water according to claim 1,
the detection device for the underwater suspected explosive source further comprises a bearing device, wherein the bearing device is used for bearing the neutron radioactive source and the gamma-ray detector and can move in water.
3. The apparatus for detecting a source of a suspected explosion under water according to claim 2,
the load bearing device comprises a monitoring ship.
4. The apparatus for detecting a source of a suspected explosion under water according to claim 2,
the carrier includes a cable for releasing and retrieving the neutron radiation source and the gamma ray detector into and out of the water.
5. The apparatus for detecting a source of a suspected explosion under water according to claim 4,
the cable comprises a cable.
6. The apparatus for detecting a source of a suspected explosion under water according to claim 1,
the detection device for the underwater suspected explosive source further comprises a controller, and the controller is used for controlling the neutron radioactive source to emit neutrons and collecting and analyzing data from the gamma ray detector.
7. The apparatus for detecting a source of a suspected explosion under water according to claim 6,
the controller is in communication connection with the neutron radioactive source and the gamma-ray detector through cables for releasing the neutron radioactive source and the gamma-ray detector into water or withdrawing the neutron radioactive source and the gamma-ray detector from water.
8. The apparatus for detecting a source of a suspected explosion underwater according to any one of claims 1 to 7,
the neutron radiation source comprises a D-D neutron generator or a Cf-252 isotope neutron radiation source.
9. The apparatus for detecting a source of a suspected explosion underwater according to any one of claims 1 to 7,
the gamma ray detector comprises a NaI detector or L aBr3And a detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419880.7U CN211123311U (en) | 2019-12-27 | 2019-12-27 | Detection device for underwater suspected explosion source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419880.7U CN211123311U (en) | 2019-12-27 | 2019-12-27 | Detection device for underwater suspected explosion source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123311U true CN211123311U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922419880.7U Active CN211123311U (en) | 2019-12-27 | 2019-12-27 | Detection device for underwater suspected explosion source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211123311U (en) |
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2019
- 2019-12-27 CN CN201922419880.7U patent/CN211123311U/en active Active
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