CN202995048U - On-vehicle radioactivity detection system - Google Patents
On-vehicle radioactivity detection system Download PDFInfo
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- CN202995048U CN202995048U CN 201220627023 CN201220627023U CN202995048U CN 202995048 U CN202995048 U CN 202995048U CN 201220627023 CN201220627023 CN 201220627023 CN 201220627023 U CN201220627023 U CN 201220627023U CN 202995048 U CN202995048 U CN 202995048U
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- computing machine
- dose rate
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- radiological measuring
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Abstract
The utility model belongs to the technical field of radioactivity detection, and discloses an on-vehicle radioactivity detection system. The on-vehicle radioactivity detection system comprises the following components: a carrying device, a neutron detector, a GPS positioning system, a gamma ray detector, a power supply and a computer. The on-vehicle radioactivity detection system is characterized by comprising a dose rate instrument and a portable gamma spectrometer. The on-vehicle radioactivity detection system has the following advantages: capability of performing 360 DEG detection under a moving condition and performing directional detection under a stationary condition, and capability of realizing dose rate measurement in detecting the neutron and the gamma ray.
Description
Technical field
The utility model belongs to the radiological measuring technical field, is specifically related to vehicular radiological measuring system.
Background technology
Radiological measuring work is shifted, guarantees that by illegal national security facility and the public's safety has great importance to preventing nuclear material or other radiomaterials.At present, radic has three types: the one, for the fixation measuring device of personnel, vehicle, container etc.; The 2nd, portable small-sized hand-held radiac; The 3rd, with the radioactivity survey device as carrier such as automobile, aircraft.
For vehicular radiological measuring system, the general gamma ray detector that only is equipped with in detection system in prior art, and gamma-rays is vulnerable to the plumbous shielding that waits heavy metal material, so detection to shielded gamma activity material, its validity greatly reduces, if and gamma-ray detection and neutron detector are used in conjunction with, more be conducive to the detection of radiomaterial.Li Xinjun etc. disclose in vehicular radiological measuring device in " China Atomic Energy Science Research Institute's annual report " in 2007 and have passed through
3He proportional counter tube and plastic scintillant are respectively to neutron and gamma-ray detection.
In prior art, disclosed vehicular pick-up unit is for portable 360 ° of radioactivity surveys, and environmental activity in the zone is investigated.And if the while can be realized the function of oriented detection under stationary state, such as can be at the train station, the place, gateway of customs, nuclear facilities and other critical facility and unit is used for personnel and the vehicle that passes through carried out radiological measuring, can increase the radiometric range of application of vehicular.
Summary of the invention
(1) utility model purpose
Problem existing according to prior art, the utility model provide a kind of not only can be under mobile status 360 ° of detections but also directional detection under static state, and can realize the radiological measuring system that dose rate is measured in to neutron and gamma-ray detection.
(2) technical scheme
In order to solve the existing problem of prior art, the utility model is achieved through the following technical solutions:
Vehicular radiological measuring system, this system comprise toter, neutron detector, GPS positioning system, gamma ray detector, power supply, computing machine, and key is, this system also comprises dose rate instrument, portable gamma energy spectrometer; The dose rate data that dose rate instrument is measured are transferred to computing machine by bluetooth communication; Computing machine receives neutron count rate, γ counting rate by serial communication, and the data that receive are processed, shown and store; The GPS positioning system can detection vehicle the geographical location information of operation, simultaneously this information exchange is crossed USB interface and passes to computing machine; By GIS software with the radiological measuring data with deposit in the database of computing machine after the GPS locating information is synchronizeed, the information exchange in this database is crossed 3G network and is sent to the command and control center.
Its optimal technical scheme is:
Neutron detector is
3He proportional counter tube, gamma ray detector are plastic scintillant, both are positioned at the cabinet of the checkout equipment of vehicular radiological measuring system, wherein
3The He proportional counter tube is arranged on the back of plastic scintillant; Dose rate instrument is digitizing nucleic analyser CdZnTe;
A side at plastic scintillant is installed dismountable lead shield body, can realize under static state gamma-ray orientation survey.
(3) beneficial effect
The technical scheme that adopts the utility model to adopt detects radiomaterial, has the following beneficial effect that has
(1) this system comprises dose rate instrument, when surveying gamma-rays and neutron, dose rate is measured, the dose rate data can more directly judge the impact of radioactive material confrontation human body, and simultaneously, the dose rate data can be proved the measurement data of neutron count rate and γ counting rate.
(2) this system both can carry out 360 ° of measurements under mobile status, can the lead shield body be installed by the side at plastic scintillant again, realized the gamma-ray orientation survey under the fixed-site stationary state.
(3) will
3The He proportional counter tube is arranged on the back of plastic scintillant, and plastic scintillant can also be used to conduct when being used as gamma-ray detection
3The slowing down layer of He proportional counter tube.
(4) be equipped with portable gamma energy spectrometer, can check the measurement result of vehicular radiological measuring system, in addition some vehicle can't manually be verified in close place.
Description of drawings
Fig. 1 vehicular radiological measuring system schematic;
1. vehicle-mounted computer table; 2.GPS positioning system; 3. computing machine; 4. dose rate instrument; 5. seat; 6. electric battery; 7. vehicle power; 8. mounting bracket; Radic (be plastic scintillant and
3The He proportional counter tube).
Embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is further elaborated.
Vehicular radiological measuring system, as shown in Figure 1, this system comprise vehicle, vehicle-mounted computer table 1, GPS positioning system 2, computing machine 3, dose rate instrument 4, seat 5, electric battery 6, vehicle power 7, mounting bracket 8, radic 9(be plastic scintillant and
3The He proportional counter tube), portable gamma energy spectrometer, wherein vehicle-mounted computer table is used for fixing and places GPS positioning system 2, computing machine 3 and dose rate instrument 4, seat 5 provides work space for survey crew, electric battery 6 output 36V voltages, export to vehicle power, vehicle power 7 is 220V voltage with the 36V voltage transition of electric battery input, supplies with checkout equipment 9 and computing machine 3 uses, checkout equipment 9 is core components of this system, it comprise the large tracts of land plastic scintillant survey gamma-rays and
3The He proportional counter tube comes detected neutron.Vehicle-mounted computer table 1, seat 5, electric battery 6, vehicle power 7 and checkout equipment 9 are fixed on erecting frame 8, and erecting frame 8 is positioned over bottom vehicle tank.Realize detection to nuclear material and radiomaterial by the variation of surveying gamma-rays or neutron intensity, when reaching alarm condition, send the sound and light alarm signal.Vehicular radiological measuring system disposition has portable gamma energy spectrometer, can check the measurement result of vehicular radiological measuring system, in addition some vehicle can't manually be verified in close place.
The dose rate data of dose rate instrument 4 are transferred to computing machine by bluetooth communication; Computing machine 3 receives neutron count rate, γ counting rate by serial communication, and the data that receive are processed, shown and store; GPS positioning system 2 can detection vehicle the geographical location information of operation, simultaneously this information exchange is crossed USB interface and passes to computing machine; By GIS software with the radiological measuring data with deposit in the database of computing machine after the GPS locating information is synchronizeed, the information exchange in this database is crossed 3G network and is sent to the command and control center.
Use this detection system when the northwest nuclear facilities is carried out the environmental activity sample-out count, the detection system working stability.
Claims (3)
1. vehicular radiological measuring system, this system comprises toter, neutron detector, GPS positioning system, gamma ray detector, power supply, computing machine, it is characterized in that, this system also comprises dose rate instrument, portable gamma energy spectrometer; The dose rate data that dose rate instrument is measured are transferred to computing machine by bluetooth communication; Computing machine receives neutron count rate, γ counting rate by serial communication, and the data that receive are processed, shown and store; The GPS positioning system can detection vehicle the geographical location information of operation, simultaneously this information exchange is crossed USB interface and passes to computing machine; By GIS software with the radiological measuring data with deposit in the database of computing machine after the GPS locating information is synchronizeed, the information exchange in this database is crossed 3G network and is sent to the command and control center.
2. vehicular radiological measuring according to claim 1 system, is characterized in that, neutron detector is
3He proportional counter tube, gamma ray detector are plastic scintillant, both are positioned at the cabinet of the checkout equipment of vehicular radiological measuring system, wherein
3The He proportional counter tube is arranged on the back of plastic scintillant; Dose rate instrument is digitizing nucleic analyser CdZnTe.
3. vehicular radiological measuring according to claim 1 system, is characterized in that, in a side of plastic scintillant, dismountable lead shield body is installed, and can realize under static state gamma-ray orientation survey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627023 CN202995048U (en) | 2012-11-25 | 2012-11-25 | On-vehicle radioactivity detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627023 CN202995048U (en) | 2012-11-25 | 2012-11-25 | On-vehicle radioactivity detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202995048U true CN202995048U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220627023 Expired - Lifetime CN202995048U (en) | 2012-11-25 | 2012-11-25 | On-vehicle radioactivity detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967876A (en) * | 2012-11-25 | 2013-03-13 | 中国原子能科学研究院 | Vehicle-mounted radioactivity detecting system |
| CN105785421A (en) * | 2016-04-19 | 2016-07-20 | 成都新核泰科科技有限公司 | Vehicle-mounted nuclear radiation detector |
-
2012
- 2012-11-25 CN CN 201220627023 patent/CN202995048U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967876A (en) * | 2012-11-25 | 2013-03-13 | 中国原子能科学研究院 | Vehicle-mounted radioactivity detecting system |
| CN105785421A (en) * | 2016-04-19 | 2016-07-20 | 成都新核泰科科技有限公司 | Vehicle-mounted nuclear radiation detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |