CN113990142A - Digital equivalent nuclear radiation field simulation training system and method - Google Patents
Digital equivalent nuclear radiation field simulation training system and method Download PDFInfo
- Publication number
- CN113990142A CN113990142A CN202111429217.0A CN202111429217A CN113990142A CN 113990142 A CN113990142 A CN 113990142A CN 202111429217 A CN202111429217 A CN 202111429217A CN 113990142 A CN113990142 A CN 113990142A
- Authority
- CN
- China
- Prior art keywords
- equivalent
- radiation
- nuclear radiation
- radiation source
- uwb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The system comprises equivalent radiation source equipment, a front-end nuclear radiation detector, a communication module, a UWB server, an on-site monitoring host, a rear-end server, an operation analysis module and a monitoring system, wherein the equivalent radiation source equipment, the front-end nuclear radiation detector, the communication module, the UWB server and the on-site monitoring host are arranged in a closed space, and the rear-end server, the operation analysis module and the monitoring system are positioned at the rear end. The equivalent radiation source device and the front-end nuclear radiation detector both comprise a UWB positioning tag for positioning and a LoRa communication module. When the device is used, the real-time positioning information of the equivalent radiation source device and the front-end nuclear radiation detector is obtained based on the UWB positioning technology, data transmission is carried out between a rear-end system and a closed space by utilizing the LoRa base station, the real-time radiation dose equivalent value of the front-end nuclear radiation detector is calculated at the rear end, and the calculation is transmitted to the front-end nuclear radiation detector for display. The invention realizes the control of the real nuclear radiation field, avoids the influence of radiation generated by a real source on practical training personnel, visually displays the radiation value in the radiation field and improves the calculation precision of the nuclear radiation dose equivalent.
Description
Technical Field
The invention relates to the technical field of nuclear radiation simulation training, in particular to a digital equivalent nuclear radiation field simulation training system and method suitable for an indoor closed space scene.
Background
In the rescue operation, people, environment and the like need to be measured by special nuclear radiation measuring instruments, and the principle of the radioactive measurement and the method of skilled operation need to be mastered, so that the radioactive measurement needs to be trained and exercised systematically. In order to reduce the harm to personnel, development of a corresponding simulation device and a corresponding simulation system is an important means in nuclear emergency drilling or related scientific research and teaching.
At present, most of the electromagnetic radiation methods are adopted to simulate a nuclear radiation field, and the simulated radiation field is far from the actual radiation field in distribution and is difficult to simulate the actual radiation condition more closely; and when the signal reception is unstable, if a large area of radiation field is to be simulated, a stronger power electric wave needs to be transmitted, which can cause serious interference to broadcasting and communication. In addition, the adoption of the analog signal detector and the analog transmitting device is bound by the range limitation, the wider nuclear radiation field simulation requirement cannot be met, and the analog signal is easy to cause interference on field instrument equipment, so that the simulation accuracy is influenced. Therefore, a nuclear and radiation monitoring training system integrating nuclear and radiation accident scene simulation, analog detection and remote control is established, the aim of effective training is achieved in the environment without radiation hazard, and the practical requirement of nuclear emergency teaching training is still met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a digital equivalent nuclear radiation field simulation training system and method, a UWB accurate indoor positioning technology and a LoRa Internet of things communication technology are adopted, equivalent radiation source equipment and a front-end nuclear radiation detector are designed to be embedded into a UWB positioning label and a LORA communication module, the nuclear accident simulation training is ensured to be carried out through the operation and control of a rear-end server and the real-time communication capacity of the front end and the rear end, and a trainer displays the radiation level in real time through a front-end radiation dosator, so that the accuracy of simulation training is improved.
The technical scheme of the invention is as follows: the digital equivalent nuclear radiation field simulation training system comprises equivalent radiation source equipment, a front-end nuclear radiation detector, a communication module, a UWB server, an on-site monitoring host, a rear-end server, an operation analysis module and a monitoring system, wherein the equivalent radiation source equipment, the front-end nuclear radiation detector, the communication module, the UWB server and the on-site monitoring host are arranged in a closed space, and the rear-end server, the operation analysis module and the monitoring system are positioned at the rear end.
The equivalent radiation source equipment comprises a UWB positioning tag A, a state display lamp, a LoRa communication module A, a controller A and a power supply, wherein the UWB positioning tag A, the state display lamp and the LoRa communication module are electrically connected with the controller A; the UWB positioning tag A is used for self-positioning of equivalent radiation source equipment, the state display lamp is used for displaying the working state of the equivalent radiation source equipment, and the LoRa communication module A is used for realizing data receiving and transmitting of the equivalent radiation source equipment; controller A receives the status instruction and UWB positioning label A serial number change data that set up through monitored control system, control status display lamp state and UWB positioning label A's serial number to send the operating condition of equivalent radiation source equipment through loRa communication module A.
The front-end nuclear radiation detector comprises a UWB positioning label B, a warning device, a LoRa communication module B, a radiation dose display, an equipment starting button, an equipment effective lamp, a controller B and a power supply, wherein the UWB positioning label B, the warning device, the LoRa communication module B, the radiation dose display, the equipment starting button and the equipment effective lamp are all electrically connected with the controller B; the UWB positioning tag B is used for self-positioning of the front-end nuclear radiation detector, the LoRa communication module B is used for achieving data receiving and sending of the front-end nuclear radiation detector, the radiation dose displayer is used for displaying the radiation dose equivalent value of the front-end nuclear radiation detector at the current position in real time, the equipment starting button is used for starting the front-end nuclear radiation detector, the equipment validation lamp is used for displaying the working state of the front-end nuclear radiation detector, and the controller B controls the state of the equipment validation lamp according to the state of the equipment starting button; receiving the change data of the serial number of the UWB positioning label B set by the monitoring system, and controlling the serial number of the UWB positioning label B; and receiving a radiation dose equivalent value threshold value set by the monitoring system and a real-time radiation dose equivalent value of each effective front-end nuclear radiation detector, displaying the radiation dose equivalent values on a radiation dose display, and if the real-time radiation dose equivalent value is greater than the radiation dose equivalent value threshold value, controlling an alarm device to give an alarm prompt by a controller B.
Communication module includes UWB basic station, POE switch and the loRa basic station more than three, and UWB basic station more than three and loRa basic station fixed mounting are at the top in the enclosure space.
The UWB server is used for calculating the positioning information of each effective equivalent radiation source device and the front-end nuclear radiation detector according to the data sent by the POE switch, and realizing the data transmission between the UWB positioning tag A, UWB positioning tag B and the field monitoring host.
The field monitoring host is used for realizing the forwarding between the data in the closed space and the data at the rear end, and mainly comprises receiving the state data of the equivalent radiation source equipment and the front-end nuclear radiation detector and positioning information; and sending the transmission of the state instruction, the radiation value data, the UWB positioning label A number change data and the UWB positioning label B number change data of the equivalent radiation source equipment.
The back-end server is used for realizing data transmission between the on-site monitoring host and the operational analysis module and the monitoring system, and mainly comprises the steps of receiving data sent by the on-site monitoring host, uploading positioning information to the operational analysis module, uploading state data to the monitoring system, and receiving state instructions, radiation value data, UWB positioning tag A number change data and UWB positioning tag B number change data of equivalent radiation source equipment sent by the monitoring system and sending the equivalent radiation source equipment state instructions, the radiation value data, the UWB positioning tag A number change data and the UWB positioning tag B number change data to the on-site monitoring host.
And the operation analysis module is used for calculating the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector according to the positioning information and sending the real-time radiation dose equivalent value to the monitoring system.
The monitoring system is used for setting and sending source item parameters of equivalent radiation source equipment, state instructions of the equivalent radiation source equipment, UWB positioning label A number change data, UWB positioning label B number change data, radiation dose equivalent value threshold values, and states of all equivalent radiation source equipment, states of all front-end nuclear radiation detectors and radiation value data.
The further technical scheme of the invention is as follows: the UWB positioning tag A is connected with the controller A through an SPI bus, the state display lamp A is electrically connected with the controller A, and the LoRa communication module A is in data communication with the controller A through a serial port UART; UWB location label B and radiation dose display all are connected with controller B through the SPI bus, and warning device, equipment start button and equipment are taken effect the lamp and are connected with controller B electricity, and LoRa communication module B carries out data communication through serial ports UART and controller B.
The invention further adopts the technical scheme that: the state data are effective conditions and warning conditions of the equivalent radiation source device and the front-end nuclear radiation detector, and the radiation value data comprise a radiation dose equivalent value threshold value and real-time radiation dose equivalent values of the front-end nuclear radiation detectors which are effective.
The further technical scheme of the invention is as follows: the number of the equivalent radiation source equipment and the number of the front-end nuclear radiation detectors are multiple; the warning device comprises an alarm indicator light and a buzzer.
The invention provides another technical scheme that: the method applied to the digital equivalent nuclear radiation field simulation training system comprises the following steps,
and S01, starting the system, setting and displaying the source item parameters, the state instructions and the radiation dose equivalent value thresholds of the equivalent radiation source equipment through the monitoring system, and sending the set sending source item parameters, the state instructions and the radiation dose equivalent value thresholds to the equivalent radiation source equipment, so that the equivalent radiation source equipment takes effect and lights the state display lamp.
And S02, one or more training personnel hold the front-end nuclear radiation detector to enter the closed space, and press an equipment validation button on the front-end nuclear radiation detector.
And S03, the UWB base station in the communication module acquires the positioning information of the equivalent radiation source device and the front-end nuclear radiation detector in the closed space according to the UWB positioning tag A and the UWB positioning tag B respectively, and sends the positioning information to the operation analysis module through the POE switch, the UWB server, the field monitoring host and the rear-end server in sequence.
And S04, the operation analysis module calculates the real-time radiation dose equivalent value of the front-end nuclear radiation detector according to the positioning information and sends the real-time radiation dose equivalent value to the monitoring system.
And S05, the monitoring system displays the real-time radiation dose equivalent value, and respectively transmits the real-time radiation dose equivalent value to the corresponding front-end nuclear radiation detector through the rear-end server, the field monitoring host and the LoRa base station in sequence, and the controller B of the front-end nuclear radiation detector controls the radiation dose display to display the real-time radiation dose equivalent value.
And S06, judging the sizes of the real-time radiation dose equivalent value and the radiation dose equivalent value threshold value by the controller B of the front-end nuclear radiation detector, controlling the warning device to give an alarm if the real-time radiation dose equivalent value is larger than the radiation dose equivalent value threshold value, and sending the alarm state of the front-end nuclear radiation detector to the monitoring system through the LoRa communication module B to be displayed sequentially through the field monitoring host and the rear-end server.
The further technical scheme of the invention is as follows: the specific steps of calculating the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector according to the positioning information are as follows:
s041, according to the UWB positioning label A of the equivalent radiation source device, obtaining the source item parameter set value (Q) of the equivalent radiation source devicei,Di) And positioning information, wherein QiQuality factors corresponding to the radiation type of the equivalent radiation source device, DiThe dosage value of the origin of the equivalent radiation source equipment is represented by gray Gy, i is the number of effective equivalent radiation source equipment, and j is a natural number above 1.
And S042, acquiring positioning information of the front-end nuclear radiation detector according to the UWB positioning tag B of the front-end nuclear radiation detector, wherein the number of the front-end nuclear radiation detector is j, and j is a natural number more than 1.
S043, calculating the linear distance R between each front-end nuclear radiation detector and the equivalent radiation source equipmentij。
And S044, calculating real-time radiation dose equivalent values of the front-end nuclear radiation detectors, wherein the calculation formula is as follows.
Wherein HjThe real-time radiation dose equivalent value of the front-end nuclear radiation detector which is effective for the jth is in unit of Vout Sv; qiThe quality factor of the ith equivalent radiation source device; diThe unit is Gory Gy which is the origin dosage value of the ith equivalent radiation source equipment; rijThe linear distance between the front-end nuclear radiation detector which is validated for the jth and the ith equivalent radiation source device is measured in meters.
The invention further adopts the technical scheme that: if the number of the UWB positioning tag a of the equivalent radiation source device or the UWB positioning tag B of the front-end nuclear radiation detector needs to be reset,
in the step S01, UWB positioning tag a number change data and UWB positioning tag B number change data are set by the monitoring system, and sequentially pass through the back-end server, the on-site monitoring host, and the LoRa base station, and are respectively sent to the equivalent radiation source device and the front-end nuclear radiation detector, and the UWB positioning tag a number change data and the UWB positioning tag B number change data are displayed on the monitoring system.
Compared with the prior art, the invention has the following characteristics:
(1) the invention adopts digital simulation, the nuclear radiation adopts digital signals to replace analog signals, and the data of the simulated nuclear radiation field is generated by a computer through a mathematical theory algorithm and is closer to a real radiation field; the digital signal can not cause interference to on-site instruments and equipment, and the health safety of on-site related personnel can not be threatened while the smooth proceeding of radiation field simulation is ensured.
(2) The system can set the radiation type, the radiation intensity, the number of radiation sources and the like in real time according to the requirements, is not limited by the range of simulation training, adopts a UWB positioning technology and a LoRa technology, supports a back-end system to carry out real-time accurate monitoring on the field simulation condition and can change a simulation scheme at any time, so that the simulation training in a closed space is more efficient and flexible, and the application field of the system is improved.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of an equivalent radiation source device in the system of the present invention;
FIG. 3 is a schematic diagram of the architecture of the front-end radiation detector in the system of the present invention;
FIG. 4 is a flow chart of a simulated training method of the present invention;
FIG. 5 is a flow chart of a computing process of the calculation analysis system of the present invention;
fig. 6 is a schematic distribution diagram of front-end nuclear radiation detectors and equivalent radiation source devices in a closed space according to a fourth embodiment of the present invention.
Detailed Description
In a first embodiment, as shown in fig. 1 to 3, the digital equivalent nuclear radiation field simulation training system includes an equivalent radiation source device, a front-end nuclear radiation detector, a communication module, a UWB server, an on-site monitoring host, a back-end server, an operation and analysis module, and a monitoring system, which are disposed in an enclosed space.
Equivalent radiation source equipment includes UWB location label A, status display lamp, loRa communication module A, controller A and power. The UWB positioning tag A is connected with the controller A through an SPI bus, the state display lamp A is electrically connected with the controller A, and the LoRa communication module A is in data communication with the controller A through a serial port UART; UWB location label A is used for the self-align of equivalent radiation source equipment, and the status display lamp is used for showing the operating condition of equivalent radiation source equipment, and LoRa communication module A is used for realizing the data transceiver of equivalent radiation source equipment. Controller A receives the status instruction and UWB positioning label A serial number change data that set up through monitored control system, control status display lamp state and UWB positioning label A's serial number to send the operating condition of equivalent radiation source equipment through loRa communication module A. The number of the equivalent radiation source devices is one, and the equivalent radiation source devices are arranged in the closed space.
The front-end nuclear radiation detector comprises a UWB positioning label B, a warning device, a LoRa communication module B, a radiation dose display, a device starting button, a device effective lamp, a controller B and a power supply, wherein the warning device comprises an alarm indicating lamp and a buzzer. UWB location label B and radiation dose display all are connected with controller B through the SPI bus, and warning device, equipment start button and equipment are taken effect the lamp and are connected with controller B electricity, and LoRa communication module B carries out data communication through serial ports UART and controller B. The UWB positioning tag B is used for self-positioning of a front-end nuclear radiation detector. And the LoRa communication module B is used for realizing data receiving and transmitting of the front-end nuclear radiation detector. The radiation dose display is used for displaying the radiation dose equivalent value of the front-end nuclear radiation detector at the current position in real time. An equipment activation button is used to activate the front-end nuclear radiation detector. The equipment validation lamp is used for displaying the working state of the front-end nuclear radiation detector. The controller B controls the state of the equipment effective lamp according to the state of the equipment starting button; receiving the change data of the serial number of the UWB positioning label B set by the monitoring system, and controlling the serial number of the UWB positioning label B; and receiving a radiation dose equivalent value threshold value set by the monitoring system and a real-time radiation dose equivalent value of each effective front-end nuclear radiation detector, displaying the radiation dose equivalent values on a radiation dose display, and if the real-time radiation dose equivalent value is greater than the radiation dose equivalent value threshold value, controlling an alarm device to give an alarm prompt by a controller B. The front-end nuclear radiation detector is a handheld device, and the training personnel enter the closed space by holding the front-end nuclear radiation detector. The number of the front-end nuclear radiation detectors can be set to be one or more, namely, the simulation training can be carried out by one or more training personnel at the same time.
Communication module includes UWB basic station, POE switch and loRa basic station more than three. More than three UWB base stations and LoRa base stations are fixedly arranged on the top in the closed space so as to accurately position and transmit data of equivalent radiation source equipment and a front-end nuclear radiation detector in the space.
The UWB server is used for calculating the positioning information of each effective equivalent radiation source device and the front-end nuclear radiation detector according to the data sent by the POE switch, and realizing the data transmission between the UWB positioning tag A, UWB positioning tag B and the field monitoring host. The positioning based on the UWB positioning tag, the UWB base station, the POE switch, and the UWB server is the prior art, and is not described herein.
The field monitoring host is used for realizing the forwarding between the data in the closed space and the data at the rear end, and mainly comprises receiving the state data of the equivalent radiation source equipment and the front-end nuclear radiation detector and positioning information; and sending the transmission of the state instruction, the radiation value data, the UWB positioning label A number change data and the UWB positioning label B number change data of the equivalent radiation source equipment. The state data are effective conditions and warning conditions of the equivalent radiation source device and the front-end nuclear radiation detector, and the radiation value data comprise a radiation dose equivalent value threshold value and real-time radiation dose equivalent values of the front-end nuclear radiation detectors which are effective.
The back-end server is used for realizing data transmission between the on-site monitoring host and the operational analysis module and the monitoring system, and mainly comprises the steps of receiving data sent by the on-site monitoring host, uploading positioning information to the operational analysis module, uploading state data to the monitoring system, and receiving state instructions, radiation value data, UWB positioning tag A number change data and UWB positioning tag B number change data of equivalent radiation source equipment sent by the monitoring system and sending the equivalent radiation source equipment state instructions, the radiation value data, the UWB positioning tag A number change data and the UWB positioning tag B number change data to the on-site monitoring host.
And the operation analysis module is used for calculating the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector according to the positioning information and sending the real-time radiation dose equivalent value to the monitoring system.
The monitoring system is used for setting and sending source item parameters of equivalent radiation source equipment, state instructions of the equivalent radiation source equipment, UWB positioning label A number change data, UWB positioning label B number change data, radiation dose equivalent value threshold values, and states of all equivalent radiation source equipment, states of all front-end nuclear radiation detectors and radiation value data.
The second embodiment is basically similar to the system of the first embodiment, except that: the number of the equivalent radiation source devices is more than two, and the equivalent radiation source devices are all arranged in the closed space.
Specifically, it is assumed that three equivalent radiation source devices with numbers of A, B, C exist in the enclosed space, and a certain training person holds the front-end nuclear radiation detector with the number 1 and enters the enclosed space. During actual nuclear radiation detection, the irradiation of the equivalent radiation source equipment is all-around, the dosage of irradiated objects with different heights needs to be measured, and the heights of different training personnel are different, so that the heights of the front-end nuclear radiation detectors are different. That is, the coordinate setting of the front-end nuclear radiation detector includes XYZ three directions.
In a third embodiment, as shown in fig. 4, the method applied to the digital equivalent nuclear radiation field simulation training system in the first embodiment includes the following steps:
and S01, starting the system, setting and displaying the source item parameters, the state instructions and the radiation dose equivalent value thresholds of the equivalent radiation source equipment through the monitoring system, and sending the set sending source item parameters, the state instructions and the radiation dose equivalent value thresholds to the equivalent radiation source equipment, so that the equivalent radiation source equipment takes effect and lights the state display lamp.
And S02, one or more training personnel hold the front-end nuclear radiation detector to enter the closed space, and press an equipment validation button on the front-end nuclear radiation detector.
And S03, the UWB base station in the communication module acquires the positioning information of the equivalent radiation source device and the front-end nuclear radiation detector in the closed space according to the UWB positioning tag A and the UWB positioning tag B respectively, and sends the positioning information to the operation analysis module through the POE switch, the UWB server, the field monitoring host and the rear-end server in sequence.
And S04, the operation analysis module calculates the real-time radiation dose equivalent value of the front-end nuclear radiation detector according to the positioning information and sends the real-time radiation dose equivalent value to the monitoring system.
As shown in fig. 5, the specific steps of calculating the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector according to the positioning information are as follows:
s041, according to the UWB positioning label A of the equivalent radiation source device, obtaining the source item parameter set value (Q) of the equivalent radiation source devicei,Di) And positioning information, wherein QiOf the radiation type for equivalent radiation source apparatusQuality factor corresponding to type, DiFor the value of the origin dose of the equivalent radiation source device, the unit is gray Gy, i is the number of effective equivalent radiation source devices, and in this embodiment, the number of effective equivalent radiation source devices i =1 is set.
S042, acquiring positioning information of the front-end nuclear radiation detector according to the UWB positioning tag B of the front-end nuclear radiation detector, where j is a natural number greater than 1, and the number of the front-end nuclear radiation detectors is j in this embodiment;
s043, calculating the linear distance R between each front-end nuclear radiation detector and the equivalent radiation source equipmentj(ii) a S044, calculating real-time radiation dose equivalent values of the front-end nuclear radiation detectors, wherein the calculation formula is as follows:
wherein HjThe real-time radiation dose equivalent value of the jth front-end nuclear radiation detector is in unit of Vout Sv; q1Is the quality factor of the equivalent radiation source equipment; d1The dosage value of the equivalent radiation source equipment origin is represented by the unit of gray Gy; rjIs the linear distance between the jth front-end nuclear radiation detector and the equivalent radiation source device, and has the unit of meter.
And S05, the monitoring system displays the real-time radiation dose equivalent value, and respectively transmits the real-time radiation dose equivalent value to the corresponding front-end nuclear radiation detector through the rear-end server, the field monitoring host and the LoRa base station in sequence, and the controller B of the front-end nuclear radiation detector controls the radiation dose display to display the real-time radiation dose equivalent value.
And S06, judging the sizes of the real-time radiation dose equivalent value and the radiation dose equivalent value threshold value by the controller B of the front-end nuclear radiation detector, controlling the warning device to give an alarm if the real-time radiation dose equivalent value is larger than the radiation dose equivalent value threshold value, and sending the alarm state of the front-end nuclear radiation detector to the monitoring system through the LoRa communication module B to be displayed sequentially through the field monitoring host and the rear-end server.
The method of the fourth embodiment is basically similar to that of the third embodiment, except that: the digital equivalent nuclear radiation field simulation training system is applied to the digital equivalent nuclear radiation field simulation training system in the second embodiment, and in the specific step, the number of equivalent radiation source devices in the step S01 is more than two, and the equivalent radiation source devices are all arranged in a closed space; in step S044, the calculation formula of the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector is as follows:
wherein HjThe real-time radiation dose equivalent value of the front-end nuclear radiation detector which is effective for the jth is in unit of Vout Sv; qiThe quality factor of the ith equivalent radiation source device; diThe unit is Gory Gy which is the origin dosage value of the ith equivalent radiation source equipment; rijThe linear distance between the front-end nuclear radiation detector which is validated for the jth and the ith equivalent radiation source device is measured in meters.
Taking i =3 and j =1 as an example, the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector is calculated according to the positioning information as follows: let the three equivalent radiation sources numbered A, B, C be Cs137Irradiating; A. b, C equivalent radiation source origin dose values are respectively 10Gy, 15Gy and 20 Gy; A. b, C, the coordinates of the position of the three equivalent radiation source points are (1800, 2800, 0), (5000, 2000, 0), (2000, 1500, 0), and the current position coordinate of the front-end nuclear radiation detector with the number 1 held by a certain practical training person is D (3500, 3500, 0), as shown in fig. 6, in this embodiment, since the coordinate values in the Z direction are all 0, fig. 6 only shows that the practical training person at the position D in the XY direction receives the distribution of A, B, C equivalent radiation source radiation.
The position coordinates of A, B, C equivalent radiation source equipment obtained by a UWB base station in the closed space through a UWB positioning label A of A, B, C equivalent radiation source equipment based on a UWB positioning technology are respectively (1800, 2800, 0), (5000, 2000, 0), (2000, 1500, 0), the position coordinates of the practical training personnel obtained through a UWB positioning label B of a front-end nuclear radiation detector with the number 1 are (3500, 3500, 0), and the position coordinates of A, B, C equivalent radiation source equipment and the position coordinates of the practical training personnel are sent to an operation analysis system through a UWB server, a field monitoring host and a rear-end server.
The operation analysis system respectively calculates the linear distance R of the training personnel to A, B, C equivalent radiation source equipmentA1、RB1、RC1And then calculating and generating a real-time radiation dose equivalent value to which the training staff is subjected at the position point through a formula (2).
The calculation process is as follows:
Q=25；
RA1=1838cm=18.38m；
RB1=2121cm=21.21m；
RC1=2500cm=25m；
the real-time radiation dose equivalent value that this real standard personnel received at this position point is 0.189Sv promptly, send the real-time radiation dose equivalent value that generates to monitored control system and show, and by monitored control system, the rear end server, on-the-spot monitoring host computer and LoRa base station send number 1 front end nuclear radiation detector in real time and show, front end nuclear radiation detector judges the size of real-time radiation dose equivalent value and radiation dose equivalent value threshold value, if real-time radiation dose equivalent value is greater than radiation dose equivalent value threshold value, then control alarm device and send out the police dispatch newspaper, pass through LoRa communication module B with the alarm state of front end nuclear radiation detector and loop through on-the-spot monitoring host computer and rear end server and send monitoring system to show simultaneously.
The fifth embodiment is basically similar to the third embodiment in the method, and the difference is that: if the number of the UWB positioning tag a of the equivalent radiation source device or the UWB positioning tag B of the front-end nuclear radiation detector needs to be reset,
in the step S01, UWB positioning tag a number change data and UWB positioning tag B number change data are set by the monitoring system, and sequentially pass through the back-end server, the on-site monitoring host, and the LoRa base station, and are respectively sent to the equivalent radiation source device and the front-end nuclear radiation detector, and the UWB positioning tag a number change data and the UWB positioning tag B number change data are displayed on the monitoring system.
Claims (7)
1. The digital equivalent nuclear radiation field simulation training system is characterized in that: the system comprises equivalent radiation source equipment, a front-end nuclear radiation detector, a communication module, a UWB server and an on-site monitoring host which are arranged in a closed space, and a rear-end server, an operation analysis module and a monitoring system which are positioned at the rear end;
the equivalent radiation source equipment comprises a UWB positioning tag A, a state display lamp, a LoRa communication module A, a controller A and a power supply, wherein the UWB positioning tag A, the state display lamp and the LoRa communication module are electrically connected with the controller A; the UWB positioning tag A is used for self-positioning of equivalent radiation source equipment, the state display lamp is used for displaying the working state of the equivalent radiation source equipment, and the LoRa communication module A is used for realizing data receiving and transmitting of the equivalent radiation source equipment; the controller A receives a state instruction set by the monitoring system and UWB positioning tag A number change data, controls the state of the state display lamp and the UWB positioning tag A number, and sends the working state of the equivalent radiation source equipment through the LoRa communication module A;
the front-end nuclear radiation detector comprises a UWB positioning label B, a warning device, a LoRa communication module B, a radiation dose display, an equipment starting button, an equipment effective lamp, a controller B and a power supply, wherein the UWB positioning label B, the warning device, the LoRa communication module B, the radiation dose display, the equipment starting button and the equipment effective lamp are all electrically connected with the controller B; the UWB positioning tag B is used for self-positioning of the front-end nuclear radiation detector, the LoRa communication module B is used for achieving data receiving and sending of the front-end nuclear radiation detector, the radiation dose displayer is used for displaying the radiation dose equivalent value of the front-end nuclear radiation detector at the current position in real time, the equipment starting button is used for starting the front-end nuclear radiation detector, the equipment validation lamp is used for displaying the working state of the front-end nuclear radiation detector, and the controller B controls the state of the equipment validation lamp according to the state of the equipment starting button; receiving the change data of the serial number of the UWB positioning label B set by the monitoring system, and controlling the serial number of the UWB positioning label B; receiving a radiation dose equivalent value threshold value set by a monitoring system and real-time radiation dose equivalent values of all effective front-end nuclear radiation detectors, displaying the radiation dose equivalent values on a radiation dose display, and if the real-time radiation dose equivalent values are larger than the radiation dose equivalent value threshold value, controlling an alarm device to give an alarm prompt by a controller B;
the communication module comprises more than three UWB base stations, a POE (power over Ethernet) switch and a LoRa base station, wherein the more than three UWB base stations and the LoRa base station are fixedly arranged at the top in the closed space;
the UWB server is used for calculating positioning information of each effective equivalent radiation source device and the front-end nuclear radiation detector according to data sent by the POE switch, and realizing data transmission between a UWB positioning tag A, UWB positioning tag B and the field monitoring host;
the field monitoring host is used for realizing the forwarding between the data in the closed space and the data at the rear end, and mainly comprises receiving the state data of the equivalent radiation source equipment and the front-end nuclear radiation detector and positioning information; transmitting a state instruction of equivalent radiation source equipment, radiation value data, UWB positioning label A number change data and UWB positioning label B number change data;
the back-end server is used for realizing data transmission between the on-site monitoring host and the operational analysis module and the monitoring system, and mainly comprises a receiving module, an operational analysis module, a monitoring system and an equivalent radiation source device, wherein the receiving module is used for receiving data sent by the on-site monitoring host, uploading positioning information to the operational analysis module, uploading state data to the monitoring system, and receiving state instructions, radiation value data, UWB positioning tag A number change data and UWB positioning tag B number change data of the equivalent radiation source device sent by the monitoring system and sending the equivalent radiation source device state instructions, the radiation value data, the UWB positioning tag A number change data and the UWB positioning tag B number change data to the on-site monitoring host;
the operation analysis module is used for calculating real-time radiation dose equivalent values of all effective front-end nuclear radiation detectors according to the positioning information and sending the real-time radiation dose equivalent values to the monitoring system;
the monitoring system is used for setting and sending source item parameters of equivalent radiation source equipment, state instructions of the equivalent radiation source equipment, UWB positioning label A number change data, UWB positioning label B number change data, radiation dose equivalent value threshold values, and states of all equivalent radiation source equipment, states of all front-end nuclear radiation detectors and radiation value data.
2. The digital equivalent nuclear radiation field simulation training system as set forth in claim 1, wherein: the UWB positioning tag A is connected with the controller A through an SPI bus, the state display lamp A is electrically connected with the controller A, and the LoRa communication module A is in data communication with the controller A through a serial port UART; UWB location label B and radiation dose display all are connected with controller B through the SPI bus, and warning device, equipment start button and equipment are taken effect the lamp and are connected with controller B electricity, and LoRa communication module B carries out data communication through serial ports UART and controller B.
3. The digital equivalent nuclear radiation field simulation training system as set forth in claim 1, wherein: the state data are effective conditions and warning conditions of the equivalent radiation source device and the front-end nuclear radiation detector, and the radiation value data comprise a radiation dose equivalent value threshold value and real-time radiation dose equivalent values of the front-end nuclear radiation detectors which are effective.
4. The digital equivalent nuclear radiation field simulation training system as set forth in claim 1, wherein: the number of the equivalent radiation source equipment and the number of the front-end nuclear radiation detectors are multiple; the warning device comprises an alarm indicator light and a buzzer.
5. The method applied to the digital equivalent nuclear radiation field simulation practical training system as claimed in any one of claims 1 to 4, is characterized in that: comprises the following steps of (a) carrying out,
s01, starting the system, setting and displaying the source item parameters, the state instructions and the radiation dose equivalent value thresholds of the equivalent radiation source equipment through the monitoring system, and sending the set sending source item parameters, the state instructions and the radiation dose equivalent value thresholds to the equivalent radiation source equipment to enable the equivalent radiation source equipment to take effect and light a state display lamp;
s02, one or more training personnel hold the front-end nuclear radiation detector to enter the closed space, and press an equipment validation button on the front-end nuclear radiation detector;
s03, the UWB base station in the communication module respectively obtains the positioning information of the equivalent radiation source device and the front-end nuclear radiation detector in the closed space according to the UWB positioning tag A and the UWB positioning tag B, and sends the positioning information to the operation analysis module through the POE switch, the UWB server, the field monitoring host and the rear-end server in sequence;
s04, the operation analysis module calculates the real-time radiation dose equivalent value of the front-end nuclear radiation detector according to the positioning information and sends the real-time radiation dose equivalent value to the monitoring system;
s05, the monitoring system displays the real-time radiation dose equivalent value, and respectively transmits the real-time radiation dose equivalent value to the corresponding front-end nuclear radiation detector through the rear-end server, the field monitoring host and the LoRa base station, and the controller B of the front-end nuclear radiation detector controls the radiation dose display to display the real-time radiation dose equivalent value;
and S06, judging the sizes of the real-time radiation dose equivalent value and the radiation dose equivalent value threshold value by the controller B of the front-end nuclear radiation detector, controlling the warning device to give an alarm if the real-time radiation dose equivalent value is larger than the radiation dose equivalent value threshold value, and sending the alarm state of the front-end nuclear radiation detector to the monitoring system through the LoRa communication module B to be displayed sequentially through the field monitoring host and the rear-end server.
6. The digital equivalent nuclear radiation field simulation training method of claim 5, which is characterized in that: the specific steps of calculating the real-time radiation dose equivalent value of each effective front-end nuclear radiation detector according to the positioning information are as follows:
s041, according to the UWB positioning label A of the equivalent radiation source device, obtaining the source item parameter set value (Q) of the equivalent radiation source devicei,Di) And positioning information, wherein QiQuality factors corresponding to the radiation type of the equivalent radiation source device, DiDose for equivalent radiation source apparatus originThe value is gray Gy, i is the number of effective equivalent radiation source devices, and j is a natural number above 1;
s042, acquiring positioning information of the front-end nuclear radiation detector according to the UWB positioning tag B of the front-end nuclear radiation detector, wherein the number of the front-end nuclear radiation detector is j, and j is a natural number more than 1;
s043, calculating the linear distance R between each front-end nuclear radiation detector and the equivalent radiation source equipmentij；
S044, calculating real-time radiation dose equivalent values of the front-end nuclear radiation detectors, wherein the calculation formula is as follows:
wherein HjThe real-time radiation dose equivalent value of the front-end nuclear radiation detector which is effective for the jth is in unit of Vout Sv; qiThe quality factor of the ith equivalent radiation source device; diThe unit is Gory Gy which is the origin dosage value of the ith equivalent radiation source equipment; rijThe linear distance between the front-end nuclear radiation detector which is validated for the jth and the ith equivalent radiation source device is measured in meters.
7. The method for simulating and training the digitized equivalent nuclear radiation field according to claim 5 or 6, which is characterized in that: if the number of the UWB positioning tag a of the equivalent radiation source device or the UWB positioning tag B of the front-end nuclear radiation detector needs to be reset,
in the step S01, UWB positioning tag a number change data and UWB positioning tag B number change data are set by the monitoring system, and sequentially pass through the back-end server, the on-site monitoring host, and the LoRa base station, and are respectively sent to the equivalent radiation source device and the front-end nuclear radiation detector, and the UWB positioning tag a number change data and the UWB positioning tag B number change data are displayed on the monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429217.0A CN113990142A (en) | 2021-11-29 | 2021-11-29 | Digital equivalent nuclear radiation field simulation training system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429217.0A CN113990142A (en) | 2021-11-29 | 2021-11-29 | Digital equivalent nuclear radiation field simulation training system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113990142A true CN113990142A (en) | 2022-01-28 |
Family
ID=79732307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111429217.0A Pending CN113990142A (en) | 2021-11-29 | 2021-11-29 | Digital equivalent nuclear radiation field simulation training system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113990142A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116663268A (en) * | 2023-05-18 | 2023-08-29 | 中国人民解放军海军工程大学 | Nuclear accident radioactivity leakage radiation protection simulation method |
-
2021
- 2021-11-29 CN CN202111429217.0A patent/CN113990142A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116663268A (en) * | 2023-05-18 | 2023-08-29 | 中国人民解放军海军工程大学 | Nuclear accident radioactivity leakage radiation protection simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2876893B1 (en) | Cloud-based monitoring apparatus | |
| JP2019028063A (en) | Method for providing air quality information | |
| JP2019028065A (en) | System for providing air quality information | |
| CN103995509A (en) | Robot for poultry house environment monitoring and monitoring method and system thereof | |
| CN104483583A (en) | Vehicle-mounted type electromagnetic radiation on-line monitoring system | |
| CN204536438U (en) | Vehicular electromagnetic radiation on-Line Monitor Device and on-line monitoring system | |
| CN113990142A (en) | Digital equivalent nuclear radiation field simulation training system and method | |
| CN112230266A (en) | Radiation monitoring system | |
| US20200117840A1 (en) | Injection of simulated sources in a system of networked sensors | |
| JP5577121B2 (en) | Radiation measurement equipment | |
| CN204666278U (en) | Wireless type temperature on-line monitoring device | |
| CN113567911A (en) | Detection positioning method and system for unmanned aerial vehicle control device | |
| CN113724555A (en) | Simulation system is searched to radiation source | |
| CN109187850A (en) | A kind of laboratory intelligent and safe management system and its working method | |
| KR101938550B1 (en) | Disaster preventer trainning system, portable terminal for trainning disaster preventer and method for operating disaster preventer trainning system | |
| CN107748379A (en) | The safety monitoring system of radiation agent content detection | |
| CN207937007U (en) | Radioactive source monitoring system for source container | |
| CN208255428U (en) | Radioactive source detection device | |
| CN210515728U (en) | Simulated radiation detection device and system | |
| JP4972056B2 (en) | Radiation measurement equipment | |
| JP2010071979A (en) | Radiation measuring device and radiation measurement training system | |
| RU137628U1 (en) | RADIOMETER-SIMULATOR SIMULATOR-SIMULATOR | |
| US20170323580A1 (en) | Buried asset detection simulator using retrofitted electromagnetic locate device | |
| CN104469667A (en) | Examination room mobile phone positioning and monitoring system | |
| CN111445744A (en) | Simulated radiation detection device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |