Radioactive source tracking and monitoring deviceTechnical field
The utility model is related to carry out security control technical field to radioactive source, it is particularly a kind of to radioactive source into line traceMonitoring device.
Background technology
At present, radioactive source and x-ray apparatus application are further extensive, not only in nuclear facilities, research institutions, medical institutions,The all trades and professions such as matter and coal exploration and exploitation, machine-building and installation are also all applied.With the extensive use shape of radioactive sourceWhat it is into sharp contrast is：For a long time, the monitoring work of radioactive source is constantly in backward artificial monitor stages, and radioactive source is lostEvent happens occasionally, and the particle of radioactive source transmitting not only forms function of human body different degrees of injury, also causes dirt to environmentDye.
The different ray types discharged according to radioactive source, can be divided into αsource, radiator beta-ray, gamma ray radiator and neutronThe harmfulness such as source etc., wherein gamma ray radiator and neutron source are maximum.
At present to radioactive source monitoring mainly using γ radiation dose monitorings instrument, RFID, video monitoring etc., and built in radioactive sourceIf being used widely in development, but still deposited in terms of its degree of automation, device arithmetic speed, dosage rate error, mobile monitorIn larger deficiency.
Invention content
There is provided the purpose of the utility model is to overcome the above-mentioned insufficient of the prior art it is a kind of to radioactive source into line traceMonitoring device.
The technical solution of the utility model is：Radioactive source tracking and monitoring device, including host computer and end-probing device.
The host computer includes computer monitoring end, handheld device client and server, computer monitoring end and handHolding equipment client is connect by communication network with server.
The end-probing device includes pressure sensor, Temperature Humidity Sensor, SD card hold-up vessel, GPRS and remotely leads toBelieve module, low-power scm, power supply, gamma-ray probe and GPS/LBS base stations/WIFI locating modules.
The signal output end of pressure sensor and a ends of low-power scm connect, the signal output of Temperature Humidity SensorEnd connect with the b ends of low-power scm, the c ends connection of the data line of SD card hold-up vessel and low-power scm, power supply andThe e ends of the d ends connection of low-power scm, gamma-ray probe and low-power scm connect, and GPRS remote communication modules connectThe g ends of receiving end and low-power scm connect, and the transmitting terminal of GPRS remote communication modules and the f ends of low-power scm connect,The receiving terminal of GPS/LBS base stations/WIFI locating modules and the i ends of low-power scm connect, GPS/LBS base stations/WIFI positioningThe transmitting terminal of module and the h ends of low-power scm connect.
The process of radioactive source tracking and monitoring device tracking monitoring radioactive source is as follows：
Radioactive source is enclosed in radioactive source hold-up vessel, and end-probing device is mounted on radioactive source hold-up vessel.
Pressure sensor is used for detecting the pressure parameter of radioactive source hold-up vessel, and the pressure parameter detected is sent toPre-set pressure security threshold value is compared in low-power scm, with low-power scm, judges that radioactive source storage is heldThe seal degree of device and whether illegally opening, when the pressure parameter detected is less than pre-set pressure security threshold value,End-probing device by GPRS remote communication modules to server send out alarm signal and exception after pressure parameter.
Temperature Humidity Sensor detects temperature, the humidity of radioactive source hold-up vessel local environment, and by the temperature detected andHumidity sends low-power scm to, and low-power scm is joined according to the storage environment humiture of pre-set different radioactive sourcesNumber, the data detected with reference to Temperature Humidity Sensor judge whether the storage condition humiture of radioactive source hold-up vessel is suitable, peaceEntirely, when storage condition humiture is exceeded, end-probing device sends out alarm signal by GPRS remote communication modules to serverNumber and exception after humiture parameter.
Radioactive particle in gamma-ray probe detection radioactive source hold-up vessel local environment, gamma-ray probe is using lidLeather-Muller step-by-step counting pipe, when gamma-ray probe detects radioactive particle, Geiger-Miller step-by-step counting pipe can generate electricityPulse signal, electric impulse signal is transferred to low-power scm after extra pulse discriminator circuit enhanced processing, by low-power consumption monolithicMachine generates dosage rate after being handled, and is compared with the dosage rate secure threshold being set in advance in low-power scm,When dosage rate is below or above dosage rate secure threshold, end-probing device is sent out by GPRS remote communication modules to serverGo out the dosage rate parameter after alarm signal and exception.
Dosage rate secure threshold is according to the initial radioactive activity of radioactive source in radioactive source hold-up vessel and radioactive nucleusThe decay formula of elementIt is configured, and as time goes by being capable of adjust automatically.
The position signal of GPS/LBS base stations/WIFI locating modules generation radioactive source hold-up vessel, by low-power scmAfter processing, end-probing device sends out position tracking signal by GPRS remote communication modules to server.
SD card hold-up vessel is used for preserving the information such as dosage rate, longitude and latitude, humiture, the pressure of radioactive source, scene in real timeStaff can easily check the history work log of radioactive source tracking and monitoring device by SD card.
The utility model has following features compared with prior art：
Radioactive source tracking and monitoring device provided by the utility model can timely and effectively detect radioactive source hold-up vesselThe information such as pressure, the humiture of storage condition, the dosage rate of radioactive source and geographical location, in case of exception, monitoring center canTo receive warning message in time and take measures, the further diffusion of radioactive pollution is prevented.
The detailed construction of the utility model is further described below in conjunction with the drawings and specific embodiments.
Description of the drawings
Attached drawing 1 is radioactive source tracking and monitoring apparatus structure block diagram provided by the utility model.
Specific embodiment
Radioactive source tracking and monitoring device, including host computer 1 and end-probing device 2.
The host computer 1 includes computer monitoring end 1-1, handheld device client 1-2 and server 1-3, computerMonitoring client 1-1 is connect with handheld device client 1-2 by communication network with server 1-3.
The end-probing device 2 include pressure sensor 2-1, Temperature Humidity Sensor 2-2, SD card hold-up vessel 2-3,GPRS remote communication modules 2-4, low-power scm 2-5, power supply 2-6, gamma-ray probe 2-7, GPS/LBS base station/WIFI are fixedPosition module 2-8.
The low-power scm 2-5 uses the microcontroller with ARM kernels, which has arithmetic speedSoon, low in energy consumption, the advantages that precision is high.
The gamma-ray probe 2-7 uses GM counting tubes, and the particle ionization signal generated through high-pressure modular excitation canAmplified by discriminator circuit, shaping, send to low-power scm 2-5, dose of radiation is measured using Time-to-Count methods in real timeRate.
The communication chip that the GPS/LBS base stations/WIFI locating modules 2-8 is used can realize that remote data is received and dispatched,GPRS/GSM/GPS functions are integrated with, GPS/LBS (base station location)/multiple location technologies of WIFI can be used, be applicable in indoor and outdoorA variety of demands are to make up communicate caused by suspension or network failure discontinuous problem and GPS location precision problem.
The signal output end of pressure sensor 2-1 is connect with a ends of low-power scm 2-5, Temperature Humidity Sensor 2-2'sSignal output end is connect with the b ends of low-power scm 2-5, data line and the low-power scm 2-5 of SD card hold-up vessel 2-3The connection of c ends, power supply 2-6 connect with the d ends of low-power scm 2-5, the e of gamma-ray probe 2-7 and low-power scm 2-5End connection, the receiving terminal of GPRS remote communication modules 2-4 are connect with the g ends of low-power scm 2-5, GPRS remote communication modulesThe transmitting terminal of 2-4 is connect with the f ends of low-power scm 2-5, the receiving terminal of GPS/LBS base stations/WIFI locating modules 2-8 with it is lowThe i ends connection of power consumption microcontroller 2-5, the transmitting terminal of GPS/LBS base stations/WIFI locating modules 2-8 is with low-power scm 2-5'sH ends connect.
The process of radioactive source tracking and monitoring device tracking monitoring radioactive source is as follows：
Radioactive source is enclosed in radioactive source hold-up vessel, and end-probing device 2 is mounted on radioactive source hold-up vessel.
Pressure sensor 2-1 is used for detecting the pressure parameter of radioactive source hold-up vessel, and the pressure parameter detected is passedLow-power scm 2-5 is given, is compared with pressure security threshold value pre-set in low-power scm 2-5, judges to putIt penetrates the seal degree of source hold-up vessel and whether illegally opens, when the pressure parameter detected is pacified less than pre-set pressureDuring full threshold value, end-probing device 2 is by GPRS remote communication modules 2-4 after server 1-3 sends out alarm signal and exceptionPressure parameter.
Temperature Humidity Sensor 2-2 detects temperature, the humidity of radioactive source hold-up vessel local environment, and the temperature that will be detectedAnd humidity sends low-power scm 2-5 to, low-power scm 2-5 is according to the storage environments of pre-set different radioactive sourcesWhether humiture parameter, the storage condition for judging radioactive source hold-up vessel with reference to the Temperature Humidity Sensor 2-2 data detected fitPreferably, safety, when storage condition humiture is exceeded, end-probing device 2 is by GPRS remote communication modules 2-4 to server 1-3 send out the humiture parameter after alarm signal and exception.
Radioactive particle in gamma-ray probe 2-7 detection radioactive source hold-up vessel local environments, gamma-ray probe 2-7 are adoptedWith Geiger-Miller step-by-step counting pipe, when gamma-ray probe 2-7 detects radioactive particle, Geiger-Miller step-by-step counting pipe meetingElectric impulse signal is generated, electric impulse signal is transferred to low-power scm 2-5 after extra pulse discriminator circuit enhanced processing, byLow-power scm 2-5 generates dosage rate after being handled, and the dosage rate with being set in advance in low-power scm 2-5 is pacifiedFull threshold value is compared, and when dosage rate is below or above dosage rate secure threshold, end-probing device 2 is remotely led to by GPRSLetter module 2-4 to server 1-3 send out alarm signal and exception after dosage rate parameter.
Dosage rate secure threshold is according to the initial radioactive activity of radioactive source in radioactive source hold-up vessel and radioactive nucleusThe decay formula of elementIt is configured, and as time goes by being capable of adjust automatically.
The position signal of GPS/LBS base stations/WIFI locating modules 2-8 generation radioactive source hold-up vessels, by low-power consumption listAfter piece machine 2-5 processing, end-probing device 2 sends out position tracking by GPRS remote communication modules 2-4 to server 1-3 to be believedNumber.
SD card hold-up vessel 2-3 is used for preserving the information such as dosage rate, longitude and latitude, humiture, the pressure of radioactive source in real time, existingField staff can easily check the history work log of radioactive source tracking and monitoring device by SD card 2-3.