CN213986848U - Radioactive substance storage and transportation monitoring system - Google Patents
Radioactive substance storage and transportation monitoring system Download PDFInfo
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- CN213986848U CN213986848U CN202022878977.7U CN202022878977U CN213986848U CN 213986848 U CN213986848 U CN 213986848U CN 202022878977 U CN202022878977 U CN 202022878977U CN 213986848 U CN213986848 U CN 213986848U
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Abstract
The utility model discloses a radioactive substance stores and transportation monitoring system, including radioactive substance storage jar, monitoring devices and monitoring platform be provided with monitoring devices on the radioactive substance storage jar, detection device and monitoring platform network communication are connected, monitoring devices includes power module, signal acquisition module, sensor module, communication module and display module, sensor module and display module all are connected with signal acquisition module electricity, signal acquisition module passes through communication module and is connected with the monitoring platform electricity, signal acquisition module, sensor module, communication module and display module all are connected with the power module electricity, have the high advantage of integrated nature, provide the hardware support for eliminating healthy hidden danger and in time monitoring.
Description
Technical Field
The utility model belongs to the technical field of nuclear radiation safety monitoring, concretely relates to radioactive substance stores and transportation monitoring system.
Background
Under the background of the accelerated development of the national nuclear power, nuclear industry and radioactive medical industry, the production demand of radioactive substances in China is increased, and in view of the special properties of the radioactive substances, the radioactive substances need to be safely controlled, particularly in the links of storage and transportation.
The radioactive substance is safely controlled, and two aspects of work need to be completed, namely, a stable storage or transportation environment is maintained through a safe storage measure, so that the safety of the chemical property of the material is ensured; secondly, through the security precaution measures, the physical security of the radioactive substance is ensured, and the unauthorized movement and the theft behavior are prevented. To realize the safety control of radioactive materials, the radioactive materials need to be monitored to ensure the safety and the controllability of the radioactive materials.
The existing radioactive substance storage monitoring measures are few, and are mainly realized by adopting the modes of personnel supervision, monitoring video installation, regular radioactive measurement, regular inventory and the like, and the existing radioactive substance monitoring generally takes a storehouse or a carriage as a monitoring unit, only one set of monitoring system is arranged in the storehouse or the carriage, each radioactive substance storage device cannot be monitored independently, and the problems of poor integration, untimely monitoring and personnel health hidden danger exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a radioactive substance storage and transportation monitoring system.
The specific scheme is as follows:
the utility model provides a radioactive substance stores and transportation monitoring system, includes radioactive substance storage jar, monitoring devices and monitoring platform, be provided with monitoring devices on the radioactive substance storage jar, monitoring devices and monitoring platform network communication are connected, wherein, monitoring devices includes power module, signal acquisition module, sensor module, communication module and display module, sensor module and display module all are connected with signal acquisition module electricity, signal acquisition module passes through communication module and is connected with the monitoring platform electricity, signal acquisition module, sensor module, communication module and display module all are connected with the power module electricity.
Still be provided with orientation module among the monitoring devices, orientation module is connected with signal acquisition module electricity, orientation module is one or two kinds in big dipper orientation module or the GPS orientation module.
The signal acquisition module comprises a central processing unit, a storage unit, an I/O interface and a communication unit, wherein the storage unit is electrically connected with the central processing unit, the central processing unit is electrically connected with the communication module through the communication unit, and the central processing unit is electrically connected with the sensor module through the I/O interface.
The communication module comprises a wired communication module and a wireless communication module, the wired communication module is any one of an Ethernet interface or an RS485 interface, and the wireless communication module is any one of a Zigbee communication protocol or an LoRa communication protocol.
The sensor module comprises a built-in sensor unit and an external sensor unit, the built-in sensor unit comprises a temperature and humidity sensor, a gamma detector, a vibration detector and an electronic optical fiber sealing unit, and the temperature and humidity sensor, the gamma detector, the vibration detector and the electronic optical fiber sealing unit are all electrically connected with the signal acquisition module.
The external sensor unit comprises a weighing sensor, a position proximity switch and a neutron detector, wherein the weighing sensor, the position proximity switch and the neutron detector are all electrically connected with the signal acquisition module.
The display module is an LED display screen.
The monitoring device is also provided with an alarm device, the alarm device is electrically connected with the signal acquisition module, and the alarm device is one or two of an audible and visual alarm or a voice alarm.
The power module comprises a direct-current power circuit and a battery pack unit, the battery pack unit is electrically connected with the direct-current power circuit, and the battery pack unit and the direct-current power circuit are electrically connected with the signal acquisition module.
The monitoring platform is one or more of a server, a workstation, a PC (personal computer) or a mobile terminal.
The utility model discloses a radioactive substance stores and transports monitoring system, be provided with monitoring devices and monitoring platform in the system, the integration has multiple sensor among the monitoring devices, has the advantage that integrated nature is high, gamma detector is used for detecting the radiant quantity, and whether electron optic fibre seals the encapsulation that the unit is used for detecting radioactive substance unusual, provides hardware support for eliminating healthy hidden danger, communication connection between monitoring devices and the monitoring platform provides good support for timely monitoring.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those skilled in the art without any inventive work are included in the scope of the present invention.
As shown in fig. 1, a radioactive substance storage and transportation monitoring system, includes radioactive substance storage jar, monitoring devices and monitoring platform 1, be provided with monitoring devices on the radioactive substance storage jar, monitoring devices and monitoring platform 1 network communication are connected, wherein, monitoring devices includes power module 13, signal acquisition module 5, sensor module 19, communication module 2 and display module 10, sensor module 19 and display module 10 all are connected with signal acquisition module 5 electricity, signal acquisition module 5 is connected with monitoring platform 1 electricity through communication module 2, signal acquisition module 5, sensor module 19, communication module 2 and display module 10 all are connected with power module 13 electricity.
The radioactive substance storage and transportation monitoring system adopts the mode that the monitoring device is fixed on the radioactive substance storage tank and the radioactive substance storage tank can be monitored in real time, the monitoring device is in network communication connection with the monitoring platform 1, the monitoring platform 1 can acquire the state of the radioactive substance storage tank in real time, and good hardware support is provided for monitoring of the radioactive substance. In this embodiment, each radioactive material storage tank is provided with a monitoring device, so that the storage state of each radioactive material storage tank stored in a warehouse or transported in a carriage can be acquired, and the safe storage of the radioactive materials is facilitated.
Still be provided with orientation module 12 among the monitoring devices, orientation module 12 is connected with signal acquisition module 5 electricity, orientation module 12 is one or two kinds in big dipper orientation module or the GPS orientation module. The positioning module 12 can be a Beidou positioning module alone, or a GPS positioning module or a double positioning module combining the Beidou positioning module and the GPS positioning module. The Beidou positioning module can capture and track signals of satellites, performs positioning calculation according to the acquired satellite data, and finally obtains longitude and latitude information of stored or transported radionuclides, and has the characteristics of high positioning accuracy, ultralow power consumption and small size, and in the embodiment, the positioning module 12 is preferably a Beidou positioning module.
No matter the radiation storage jar is in the storage process or in the transportation process, the positioning module 12 can obtain the position information of radiation storage jar, the positioning module 12 transmits the position information to the signal acquisition module 5, and transmits to the detection platform 1 through the signal acquisition module 5. When an accident occurs in a certain radioactive storage tank, the positioning module 12 provides high-precision position information for the quasi-positioning radioactive storage tank.
The signal acquisition module 5 comprises a central processing unit 7, a storage unit 8, an I/O interface 9 and a communication unit 6, wherein the storage unit 8 is electrically connected with the central processing unit 7, the central processing unit 7 is electrically connected with the communication module 2 through the communication unit 6, and the central processing unit 7 is electrically connected with a sensor module 19 through the I/O interface 9.
The central processing unit 7 is preferably an ARM-series microprocessor, which is a high-performance and low-power consumption RISC chip and has been applied to various occasions such as industry, military industry, aviation, aerospace and the like, and the application of the central processing unit is increasingly wide and mature with the development of technology.
The central processing unit 7 takes ARM micro control as a core, integrates an SDRAM memory chip, a FLASH memory chip, a clock chip and the like, and adopts a TFT liquid crystal screen to form a main controller. The main controller software adopts a real-time embedded operating system (RTOS), comprises a user interactive interface (GUI), a TCP/IP network communication protocol stack and the like, and has the characteristics of real-time performance, high reliability and the like.
The central processing unit 7 realizes the functions of accessing, decoding, converting data formats and the like of various sensor data formats.
The storage unit 8 can store data transmitted by the sensor module 19, the storage unit 8 is preferably a FLASH memory, the FLASH memory is also called a FLASH memory, the advantages of a ROM and a RAM are combined, the FLASH memory not only has the performance of being electrically erasable and programmable, but also can quickly read the data, and the stored data cannot be lost due to power failure.
The I/O interface may transmit data acquired by the sensor module 19 to the central processing unit 7 in the form of an electrical signal, and the central processing unit 7 processes and transmits the acquired signal.
An ethernet port or an RS485 serial port is arranged in the communication unit 6 to realize wired communication connection between the signal acquisition module 5 and the monitoring platform 1, a Zigbee chip or a LoRa radio frequency chip is further arranged in the communication module, and the signal acquisition module 5 performs wireless communication with the monitoring platform 1 through the Zigbee chip or the LoRa radio frequency chip. In this embodiment, the Zigbee chip is preferably MC13224 of freshel, and the LoRa radio frequency chip is preferably SX 1276.
The communication module 2 comprises a wired communication module 3 and a wireless communication module 4, the wired communication module 3 is any one of an ethernet interface or an RS485 interface, and the wireless communication module 4 is any one of a Zigbee communication protocol or an LoRa communication protocol.
The monitoring platform 1 and the signal acquisition module 5 can be in wired communication connection through an Ethernet interface, and can also be in wired communication connection through RS485, the Ethernet interface is a local area network communication mode which is most widely applied, the Ethernet interface adopts a TCP/IP protocol to realize network communication, the RS485 generally adopts a master-slave communication mode in a communication network, namely a master machine is provided with a plurality of slave machines, the RS485 has a hidden trouble of common-mode interference in the transmission process, in the embodiment, the Ethernet interface is preferably adopted to realize wired communication connection, and the beneficial effect of stable communication is achieved. In addition, in consideration of the data security problem during data transmission, in the embodiment, the data to be transmitted is preferably encrypted by using a 3DES encryption algorithm, wherein the 3DES encryption algorithm is a 128-bit encryption algorithm developed from a symmetric encryption algorithm DES encryption, and uses a 128-bit key to encrypt and decrypt the data, so as to ensure the security during data transmission.
The temperature and humidity sensor 23 mostly uses a temperature and humidity integrated probe as a temperature measuring element, a humidity sensitive element and a temperature sensitive element are arranged in the temperature measuring element, temperature and humidity signals can be collected through the temperature measuring probe, and are converted into current signals or voltage signals which are in linear relation with temperature and humidity after being processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current and reverse protection, and the like, and then the current signals or the voltage signals are output, and the temperature and humidity sensor 23 can output the current signals or the voltage signals to the signal acquisition module 5 through interfaces such as RS485 or RS 232. In this embodiment, the model of the temperature and humidity sensor 23 is preferably TN95, the TN95 is an industrial-grade temperature chip, the temperature measurement range is-40 ℃ to 85 ℃, and the temperature and humidity sensor 23 can reflect the change of the external environment of the radiation source by monitoring the change of the environmental temperature.
The gamma detector 22 is used for detecting the radiation dose of the radioactive substance in the process of storage or transportation, the device has certain radiation resistance, and the accumulated dose can reach 100 Gy. In this embodiment, the γ detector 22 employs a GM tube as a detecting element for γ rays, the types of rays that can be detected by the γ detector 22 include X rays and γ rays, the energy range of the γ detector 22 is 50KeV to 3MeV, the measurement range is 0.1 μ Gy/h to 10Gy/h, the reference energy is 137Cs to 661KeV, the response time is 3 seconds, and the basic error is less than or equal to ± 15%.
The vibration detector 21 adopts a three-axis gyro acceleration sensor, monitors acceleration signals of the radiation storage tank, judges vibration of a radioactive source and impact of external force, and is used for monitoring shaking, sudden vibration, dumping and the like of the radiation storage tank.
The electronic optical fiber seal-marking unit 20, the optical fiber sensor and the optical fiber transceiving module are connected with the optical fiber sensor and the optical fiber transceiving module through optical fibers, the optical fiber transceiving module is electrically connected with the signal acquisition module 5, the optical fiber sensor can not only transmit optical signals, but also can be bundled or wound on a radioactive storage tank, when the optical fiber sensor is damaged, the optical fiber transceiving module cannot receive the optical signals, the optical fiber transceiving module transmits the abnormity to the signal acquisition module 5, and the optical fiber transceiving module is preferably of the type WT 6118-412-1C-ST.
The external sensor unit 17 comprises a weighing sensor 16, a position proximity switch 15 and a neutron detector 14, wherein the weighing sensor 16, the position proximity switch 15 and the neutron detector 14 are all electrically connected with the signal acquisition module 5. The weighing sensor 16 is used for monitoring the quality of the radioactive storage tanks, the position proximity switch 15 is used for monitoring the distance between different radioactive storage tanks, and the neutron detector 14 is used for nuclear power measurement of a reactor or distribution measurement of neutron fluence rate of the reactor core.
The monitoring device is further provided with an alarm device 11, the alarm device 11 is electrically connected with the signal acquisition module 5, and the alarm device 11 is one or two of an audible and visual alarm or a voice alarm.
The signal acquisition module 5 is provided with a plurality of preset values, and when the signal value acquired by the sensor module 19 exceeds the preset value, the signal acquisition module 5 drives the alarm device 11 to give an alarm.
The power module 13 comprises a direct-current power circuit and a battery pack unit, the battery pack unit is electrically connected with the direct-current power circuit, and the battery pack unit and the direct-current power circuit are both electrically connected with the signal acquisition module 5. When the power supply is normal, the direct-current power supply circuit supplies power to the monitoring device and simultaneously charges the battery pack unit, when power is lost accidentally, the battery pack unit supplies power to the monitoring device, and the direct-current power supply circuit comprises a bridge rectifier circuit, a filter circuit and a voltage reduction conversion circuit.
The monitoring platform 1 is one or more of a server, a workstation, a PC or a mobile terminal.
The specific working process of the system is as follows:
the signal acquisition module 5 on each radiation storage jar passes through sensor module 19 humiture, gamma radiation dose, the vibration state of radiation storage jar, electron seal sign state, the quality of radiation storage jar, the distance and the reactor core neutron fluence rate between the radiation storage jar in the environment are gathered simultaneously to the signal acquisition module 5, signal transmission that the signal acquisition module 5 will gather shows in to display module 10, in the information transmission to the monitoring platform 1 that will gather simultaneously.
Preset values of all signals are stored in the signal acquisition module 5, and if any one of monitoring values of temperature and humidity, gamma radiation dose, the quality of a radioactive storage tank, the distance between the radioactive storage tanks or the neutron fluence rate in a reactor core exceeds the corresponding preset value, the signal acquisition module 5 drives an alarm device to give an alarm, and meanwhile, position information is transmitted to the detection platform 1 through the positioning module 12;
if the vibration state of the radioactive substance storage tank is toppling or the electronic seal is marked as an open state, the signal acquisition module 5 can drive the alarm device to give an alarm, and meanwhile, the positioning module 12 transmits the position information to the detection platform 1 so as to position the abnormal radioactive substance storage tank.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a radioactive substance stores and transportation monitoring system, includes radiation storage jar, monitoring devices and monitoring platform (1), its characterized in that: be provided with monitoring devices on the storage jar of radioactive substance, monitoring devices and monitoring platform (1) network communication are connected, wherein, monitoring devices includes power module (13), signal acquisition module (5), sensor module (19), communication module (2) and display module (10), sensor module (19) and display module (10) all are connected with signal acquisition module (5) electricity, signal acquisition module (5) are connected with monitoring platform (1) electricity through communication module (2), signal acquisition module (5), sensor module (19), communication module (2) and display module (10) all are connected with power module (13) electricity.
2. The radioactive material storage and transportation monitoring system according to claim 1, wherein: still be provided with orientation module (12) among the monitoring devices, orientation module (12) are connected with signal acquisition module (5) electricity, orientation module (12) are one or two kinds in big dipper orientation module or the GPS orientation module.
3. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the signal acquisition module (5) comprises a central processing unit (7), a storage unit (8), an I/O interface (9) and a communication unit (6), wherein the storage unit (8) is electrically connected with the central processing unit (7), the central processing unit (7) is electrically connected with the communication module (2) through the communication unit (6), and the central processing unit (7) is electrically connected with the sensor module (19) through the I/O interface (9).
4. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the communication module (2) comprises a wired communication module (3) and a wireless communication module (4), the wired communication module (3) is any one of an Ethernet interface or an RS485 interface, and the wireless communication module (4) is any one of a Zigbee communication protocol or a LoRa communication protocol.
5. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the sensor module (19) comprises a built-in sensor unit (18) and an external sensor unit (17), the built-in sensor unit (18) comprises a temperature and humidity sensor (23), a gamma detector (22), a vibration detector (21) and an electronic optical fiber sealing unit (20), and the temperature and humidity sensor (23), the gamma detector (22), the vibration detector (21) and the electronic optical fiber sealing unit (20) are all electrically connected with the signal acquisition module (5).
6. The radioactive material storage and transportation monitoring system according to claim 5, wherein: the external sensor unit (17) comprises a weighing sensor (16), a position proximity switch (15) and a neutron detector (14), wherein the weighing sensor (16), the position proximity switch (15) and the neutron detector (14) are electrically connected with the signal acquisition module (5).
7. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the display module (10) is an LED display screen.
8. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the monitoring device is further provided with an alarm device (11), the alarm device (11) is electrically connected with the signal acquisition module (5), and the alarm device (11) is one or two of a sound-light alarm or a voice alarm.
9. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the power module (13) comprises a direct-current power circuit and a battery pack unit, the battery pack unit is electrically connected with the direct-current power circuit, and the battery pack unit and the direct-current power circuit are both electrically connected with the signal acquisition module (5).
10. The radioactive material storage and transportation monitoring system according to claim 1, wherein: the monitoring platform (1) is one or more of a server, a workstation, a PC (personal computer) or a mobile terminal.
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| CN202022878977.7U CN213986848U (en) | 2020-12-04 | 2020-12-04 | Radioactive substance storage and transportation monitoring system |
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| CN202022878977.7U CN213986848U (en) | 2020-12-04 | 2020-12-04 | Radioactive substance storage and transportation monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743707A (en) * | 2022-03-10 | 2022-07-12 | 中国原子能科学研究院 | Volatile nuclear material storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743707A (en) * | 2022-03-10 | 2022-07-12 | 中国原子能科学研究院 | Volatile nuclear material storage device |
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