CN210427814U - Remote real-time monitoring device for nuclear radiation source equipment - Google Patents
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Abstract
The utility model discloses a remote real-time monitoring device of nuclear radiation source equipment, which is directly arranged on the nuclear radiation source equipment and comprises a singlechip module for realizing the main control function, a first nuclear radiation detection module, a second nuclear radiation detection module, a wireless communication module and a camera module which can work alternately, wherein the first nuclear radiation detection module, the second nuclear radiation detection module, the wireless communication module and the camera module are respectively connected with the singlechip module; the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with high sensitivity, the second nuclear radiation detection module is a high-intensity nuclear radiation detection module placed in a radiation-proof material, and the wireless communication module is connected with corresponding local off-site monitoring equipment and remote monitoring equipment through a network. The device can be arranged on nuclear radiation source equipment, can realize real-time uninterrupted detection on the nuclear radiation source equipment, and can prevent the nuclear radiation source equipment from being damaged by strong radiation.
Description
Technical Field
The utility model relates to a radiation safety monitoring technical field, in particular to remote real-time monitoring device of nuclear radiation source equipment.
Background
With the rapid development of nuclear technology and information technology, the application market of nuclear radiation sources is becoming widespread. Through applications in industry, agriculture, medicine and research, radiation sources provide great benefits to human beings and society, and make important contributions to technological progress. Meanwhile, the radiation source is not well managed, which causes serious harm to the environment and human health. At present, the traditional supervision modes of the radiation source mainly comprise locking, warning, manual nursing and the like, but the loss and leakage accidents caused by human factors are all the same, and great threats are brought to the social and public safety.
In the prior art, the monitoring of the radioactive source equipment is mainly carried out by adopting a fixed monitor outside the radioactive source, wherein the fixed monitor realizes the tracking and alarming of the radioactive source equipment through a GPS positioning method outdoors and a base station positioning method indoors, the accurate position of the radioactive source equipment is reported to a GIS platform of a monitoring center, and meanwhile, the alarming functions of boundary crossing, vibration, inclination, commercial power cut-off alarming and the like can be realized. When the radioactive source equipment is stolen or moved outdoors, the GPS can immediately enter a working state, and sends accurate position information to the management platform through the GPRS wireless communication function, so that the management platform can know the moving direction and speed of the radioactive source equipment in detail, and can visually display the real-time coordinate and the accurate position of the supervised radioactive source equipment on an electronic map, thereby realizing all-weather supervision.
The patent application number 201410009499.2 of the Chinese utility model provides an intelligent radiation monitor, which comprises a microprocessor, a GPS positioning unit, a GPRS wireless communication and auxiliary positioning unit, a direct current power supply, a radiation dose detector and an anti-dismantling signal processing unit, wherein the radiation dose detector is a Geiger-Maitreya counter tube; the anti-dismantling signal processing unit is a closed signal loop unit and is connected between the casing of the radioactive source equipment to be monitored and the microprocessor through a closed loop; the radiation dose detector, the GPS positioning unit and the GPRS wireless communication and auxiliary positioning unit are respectively in signal connection with the microprocessor.
However, the current radiation monitoring devices still have certain limitations, and generally, the radiation monitoring devices are used for detecting a fixed nuclear radiation source and detecting the radiation source beyond a certain distance (such as 10 to 50 meters) from the radiation source, but are not suitable for detecting a mobile nuclear radiation source device such as a portable mobile flaw detector.
In the prior art, mobile nuclear radiation source detection equipment such as a mobile gamma-ray flaw detector and the like is widely applied to the internal quality inspection of welding seams and castings, such as the welding seams of various pressurized containers, boilers, ship bodies, oil and gas pipelines and the like, pressurized castings of various steel casting valves, pump bodies, oil drilling and chemical engineering and oil refining equipment, precisely cast turbine blades, various aluminum-magnesium alloy castings for aviation and automobile industries and the like, because the equipment has a simple structure, is convenient to operate and carry, and does not use water and electricity. However, the radioactive source emits rays, which causes great harm to people, and the careless operation can cause radiation to people, so that the probability of leukemia is increased, and radiation accidents are caused. Therefore, the radiation protection and accurate monitoring of the mobile gamma-ray flaw detector must be paid attention to and the mobile gamma-ray flaw detector is guaranteed to be used safely.
Since the nuclear radiation source flaw detection equipment such as a mobile gamma ray flaw detector needs to be moved and the position of the nuclear radiation source flaw detection equipment is not fixed, a monitoring device of the nuclear radiation source flaw detection equipment needs to be moved together with the nuclear radiation source flaw detection equipment, and the monitoring equipment does not exist at present. A mobile nuclear radiation source flaw detection device, wherein a nuclear radiation source is usually installed in a safety shielding box (lead or depleted uranium material), the radiation intensity around the device is not large, but when the device (such as a gamma flaw detector) carries out flaw detection operation, the radiation source can be led out of the shielding box and can be always led out from one direction, so that the peripheral radiation intensity is particularly large, and irreversible damage can be easily caused to monitoring equipment arranged in a close distance; if the sensitivity of the nuclear radiation detection module is too low, the precision of the detection result of the radiation source is influenced; if the sensitivity is too high, the monitoring device is easily destroyed by the high intensity radiation and fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a remote real-time monitoring device for nuclear radiation source equipment, aiming at the defects of the prior art, and mainly aiming at arranging a monitoring device for the nuclear radiation source equipment on a monitoring site of the nuclear radiation source equipment, binding the monitoring device for the nuclear radiation source equipment and a shell of the nuclear radiation source equipment one to one and following the nuclear radiation source equipment, moving the monitoring device and the nuclear radiation flaw detection equipment together, being convenient for carrying and using, and realizing following type monitoring of the equipment; the nuclear radiation detection device comprises a nuclear radiation detection module, a first nuclear radiation detection module, a second nuclear radiation detection module and a high-strength nuclear radiation detection module, wherein the nuclear radiation detection module is arranged in the device and used for monitoring the nuclear radiation amount of a site in real time, the first nuclear radiation detection module is a low-strength nuclear radiation detection module with high sensitivity, the second nuclear radiation detection module is arranged in a high-strength nuclear radiation detection module made of a radiation-proof material, and the nuclear radiation detection module and the high-strength nuclear radiation detection module are switched to prevent the nuclear radiation source device from being damaged by nuclear radiation when the nuclear radiation source device goes out of a box or.
Meanwhile, a singlechip module is arranged in the nuclear radiation source equipment monitoring device and serves as a main control module of the device, the singlechip module judges the nuclear radiation intensity and counts the times of the nuclear radiation source entering and exiting the nuclear radiation source equipment, and the local off-site monitoring equipment and the remote monitoring equipment can judge the working state of the nuclear radiation source equipment and the position of the nuclear radiation source according to the count value of the singlechip.
By arranging the local off-site monitoring equipment and the remote monitoring equipment, the remote real-time monitoring of the nuclear radiation source equipment monitoring field can be realized by sending a request signal to the nuclear radiation source equipment monitoring device, and when a single chip module in the device receives the request signal, the image information in the camera module is sent to the remote monitoring equipment or the local monitoring equipment through the wireless communication module.
In order to achieve the above object, the utility model adopts the following technical scheme:
a remote real-time detection device for nuclear radiation source equipment is directly arranged on the nuclear radiation source equipment and comprises a single chip microcomputer module for realizing a main control function, a first nuclear radiation detection module, a second nuclear radiation detection module, a wireless communication module and a camera module, wherein the first nuclear radiation detection module, the second nuclear radiation detection module, the wireless communication module and the camera module can work alternately; the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with high sensitivity, the second nuclear radiation detection module is a high-intensity nuclear radiation detection module placed in a radiation-proof material, and the wireless communication module is connected with corresponding local off-site monitoring equipment and remote monitoring equipment through a network.
As a further improvement of the present invention, the device further includes a battery module for monitoring the electric quantity of the battery and protecting the battery from overcharge and overdischarge, and the battery module is connected to the single chip microcomputer.
As a further improvement, the device is still including the LED display module who is used for showing initial environment radiant quantity intensity value, real-time environment radiant quantity intensity value, nuclear radiation source discrepancy radiation source equipment number of times, LED display module with single chip module is connected.
As a further improvement, the device further comprises a button module for controlling the display content of the LED display module by the single chip module, and the button module is connected with the single chip module.
As a further improvement of the utility model, the remote real-time detection device of the nuclear radiation source equipment is a container with an open side, and the shell of the container is made of radiation-proof material; the second nuclear radiation detection module, the single chip microcomputer module, the wireless communication module and the battery module are arranged on one side of the device, which is sealed inside the device, and the side of the device adopts a thickened radiation-proof material sealing device; the first nuclear radiation detection module is arranged on one side of an opening in the device, and the side of the device is sealed by a non-radiation-proof material baffle; the first nuclear radiation detection module is isolated from other modules by adopting anti-radiation material isolation plates.
As a further improvement of the present invention, the first nuclear radiation detection module is also provided with an auxiliary radiation protection assembly, the auxiliary radiation protection assembly includes a radiation protection material baffle which is a fan-shaped cylinder, the radiation protection material baffle is further coated with a radiation protection coating, when the nuclear radiation source device is in a normal working state, the radiation protection material baffle is arranged on one side of the first nuclear radiation detection module and the radiation protection material isolation plate, and the radiation protection material baffle has no influence on nuclear radiation detection of the first nuclear radiation detection module; when the device starts an automatic protection program, the radiation protection material baffle rotates to a preset angle and is placed between the first nuclear radiation detection module and the non-radiation protection material baffle, and then the influence of nuclear radiation on the first detection module is isolated.
As a further improvement of the present invention, the nuclear radiation detection module is designed according to the principle of a geiger counter, and its core component is a geiger tube. The Geiger tube is designed according to the ionization property of ray to gas, and is characterized by that a metal tube whose two ends are closed by insulating material is filled with thin gas, and a metal wire electrode is mounted on the axis of the tube, and between the wall of the metal tube and the metal wire electrode a voltage slightly lower than the breakdown voltage of gas in the tube is added.
As a further improvement of the utility model, the nuclear radiation detection module adopts an M4011 Geiger tube, a tin oxide cathode of the tube system and a coaxial cylindrical thin-wall structure pulse application type halogen tube are used for detecting gamma rays of 20 mR/h-120 mR/h and soft β rays of 100-1800 Dev/min.cm & lt 2 & gt at the temperature of the surrounding medium from-40 ℃ to 55 ℃, the gas in the tube does not discharge under the normal state, when high-speed particles are injected into the tube, the energy of the particles enables the gas in the tube to be ionized and conductive, and a rapid gas discharge phenomenon is generated between a filament and the tube wall, so that a pulse current signal is output.
As a further improvement of the utility model, the single chip microcomputer module adopts a Mega2560 module, and it is arranged in debugging and the control of whole nuclear radiation source equipment monitoring device system.
As a further improvement of the present invention, the wireless communication module selects the module based on the SIM868 chip as the main control chip.
Compared with the prior art have the advantages that:
1. the utility model discloses long-range real time monitoring device of nuclear radiation source equipment, it is key to lie in, has solved following difficult problem: the nuclear radiation source equipment monitoring device is directly arranged on nuclear radiation source equipment, a nuclear radiation source equipment monitoring device is arranged on a nuclear radiation source equipment monitoring site, and the nuclear radiation source equipment monitoring device and a nuclear radiation source equipment shell are bound and followed one to one, so that the following type monitoring is realized;
2. the nuclear radiation detection module of the utility model switches the first nuclear radiation detection module and the second nuclear radiation detection module according to the size change of the nuclear radiation amount on site, thereby preventing the nuclear radiation detection equipment from being damaged by nuclear radiation when the nuclear radiation source equipment is taken out of a box or returns to the box for operation, and realizing remote real-time uninterrupted monitoring of the equipment;
3. the utility model discloses the long-range real time monitoring device of nuclear radiation source equipment, the master control module of device is regarded as to singlechip module in the nuclear radiation source equipment monitoring device, adopts the intensity of radiation and the method of counting mutually supporting to judge the state of nuclear radiation source. The nuclear radiation intensity is judged through the single chip microcomputer module, the number of times of the nuclear radiation source entering and exiting the radiation source device is counted, and the local off-site monitoring device and the remote monitoring device can judge the working state of the nuclear radiation source device and the position of the nuclear radiation source according to the counting value of the single chip microcomputer: when the singlechip records the number of times of the nuclear radiation source entering and exiting the radiation source equipment as N, the nuclear radiation source equipment is in a non-working state, and the nuclear radiation source equipment is in the equipment; when the count is N +1, the nuclear radiation source equipment is in a working state, and the nuclear radiation source is pushed to the outside from the inside of the equipment; when the count is N +2, the nuclear radiation source device is in a working state, and the nuclear radiation source is positioned outside the device; when the count is N +3, the nuclear radiation source equipment is in a working state, the nuclear radiation source is positioned outside the equipment and returns to the equipment from the outside of the equipment; when the count is N +4, the nuclear radiation source equipment is in a non-working state, and the nuclear radiation source is returned to be positioned inside the equipment;
4. the utility model discloses nuclear radiation source equipment remote real-time monitoring device, local off-site monitoring equipment and remote monitoring equipment can be through sending request signal to nuclear radiation source equipment monitoring device, when the single chip microcomputer module in the device received request signal, send the image information in the camera module to remote monitoring equipment or local monitoring equipment through wireless communication module, realize the remote real-time monitoring to nuclear radiation source equipment monitoring scene;
5. the utility model discloses long-range real time monitoring device of nuclear radiation source equipment, the LED display module of radiation source equipment number of times is gone out with initial environment radiant quantity intensity value, real-time environment radiant quantity intensity value, nuclear radiation source discrepancy in and out to the nuclear radiation source equipment monitoring device in the singlechip module can also receive various information and handle the back, transmit to the LED display module in the device, show initial environment radiant quantity intensity value, real-time environment radiant quantity intensity value, nuclear radiation source discrepancy radiation source equipment number of times on the device in real time through the LED display screen, thereby can also control to singlechip module emergence control signal through button module the demonstration content of LED display module.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic block diagram of a monitoring device for nuclear radiation source equipment according to the present invention;
fig. 2 is a flow chart of the remote real-time monitoring method of the nuclear radiation source device of the present invention;
fig. 3 is a schematic cross-sectional view of the first nuclear radiation detection module of the monitoring device for nuclear radiation source equipment according to the present invention;
fig. 4 is a schematic cross-sectional structure diagram of the first nuclear radiation detection module of the monitoring device of the nuclear radiation source equipment of the present invention when the power is off;
fig. 5 is a schematic circuit diagram of a master control single chip module in the nuclear radiation source equipment monitoring device of the present invention;
fig. 6 is a schematic circuit diagram of a wireless communication module in the monitoring device of the nuclear radiation source equipment of the present invention.
In the drawings: 1. a non-radiation protective material baffle; 2. a first nuclear radiation detection module; 3. a radiation-proof material separator; 4. a shield of radiation protective material.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the remote real-time detection apparatus for a nuclear radiation source device provided by the present invention is directly disposed on the nuclear radiation source device, and includes a single chip microcomputer module for implementing a main control function, a first nuclear radiation detection module and a second nuclear radiation detection module capable of working alternately, a wireless communication module, and a camera module, wherein the first nuclear radiation detection module, the second nuclear radiation detection module, the wireless communication module, and the camera module are respectively connected to the single chip microcomputer module; the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with high sensitivity, the second nuclear radiation detection module is a high-intensity nuclear radiation detection module placed in a radiation-proof material, and the wireless communication module is connected with corresponding local off-site monitoring equipment and remote monitoring equipment through a network.
The device also comprises a battery module used for monitoring the electric quantity of the battery and protecting the battery from overcharge and overdischarge, and the battery module is connected with the singlechip.
The device also comprises an LED display module used for displaying the initial environment radiation intensity value, the real-time environment radiation intensity value and the number of times of the nuclear radiation source entering and exiting the radiation source equipment, and the LED display module is connected with the single chip microcomputer module.
The device also comprises a key module used for controlling the single chip microcomputer module so as to control the LED display module to display contents, and the key module is connected with the single chip microcomputer module.
As a further improvement of the utility model, the remote real-time detection device of the nuclear radiation source equipment is a container with an open side, and the shell of the container is made of radiation-proof material; the second nuclear radiation detection module, the single chip microcomputer module, the wireless communication module and the battery module are arranged on one side of the device, which is sealed inside the device, and the side of the device adopts a thickened radiation-proof material sealing device; the first nuclear radiation detection module is arranged on one side of an opening in the device, and the side of the device is sealed by a non-radiation-proof material baffle plate 1; the first nuclear radiation detection module 2 is isolated from other modules by adopting a radiation-proof material isolation plate 3.
The first nuclear radiation detection module is also provided with a radiation-proof auxiliary assembly, the radiation-proof auxiliary assembly comprises a radiation-proof material baffle plate 4 which is a fan-shaped cylinder, the radiation-proof material baffle plate 4 is also coated with radiation-proof paint, and when the nuclear radiation source equipment is in a normal working state, the radiation-proof material baffle plate is arranged on one side of the first nuclear radiation detection module 2 and one side of the radiation-proof material isolation plate 3 and has no influence on nuclear radiation detection of the first nuclear radiation detection module 2; when the device starts an automatic protection program, the radiation protection material baffle 4 rotates to a preset angle and is placed between the first nuclear radiation detection module 2 and the non-radiation protection material baffle 1, and then the influence of nuclear radiation on the first detection module is isolated.
The nuclear radiation detection module is designed according to the geiger counter principle, and the core component of the nuclear radiation detection module is a geiger tube. The Geiger tube is designed according to the ionization property of ray to gas, and is characterized by that a metal tube whose two ends are closed by insulating material is filled with thin gas, and a metal wire electrode is mounted on the axis of the tube, and between the wall of the metal tube and the metal wire electrode a voltage slightly lower than the breakdown voltage of gas in the tube is added.
The nuclear radiation detection module adopts an M4011 Geiger tube, a tin oxide cathode is arranged in the tube, a coaxial cylindrical thin-wall structure pulse application type halogen tube is used for detecting gamma rays of 20 mR/h-120 mR/h and soft β rays of 100-1800 devariate/min.cm & lt 2 & gt at the temperature of a surrounding medium from-40 ℃ to 55 ℃, gas in the tube does not discharge in a normal state, when high-speed particles are injected into the tube, the energy of the particles enables the gas in the tube to be ionized and conductive, a rapid gas discharge phenomenon is generated between a filament and the tube wall, and a pulse current signal is output.
Referring to fig. 5, the single chip module adopts a Mega2560 module, which is used for the whole nuclear radiation source
And debugging and controlling the system in the equipment monitoring device. This embodiment uses a Mega2560 module for commissioning and controlling the overall system operation. Such as: receiving and calculating signals of the nuclear radiation module, reading and calculating GPS signals, controlling the GSM module, sending corresponding information to the GSM module and sending the information to the target server through the module.
Referring to fig. 6, the wireless communication GSM module selects a module based on a SIM868 chip as a main control chip. The SIM868 that this embodiment adopted is a high performance industrial grade four-frequency GSM/GPRS/GPS/bluetooth module, and the interface is abundant, and the function is perfect, job stabilization, and anti-interference is strong, and the peripheral circuit integrated level is high, and the size is small and exquisite. The method is particularly suitable for various fields needing voice/short message/GPRS data service/GPS/Bluetooth, such as: intelligent home, intelligent centralized meter reading system, remote monitoring, public transportation, shared bicycle, etc.
The utility model provides a remote real-time monitoring device of nuclear radiation source equipment's working procedure does:
(1) setting a remote monitoring device and an onboard nuclear radiation source device monitoring device bound and followed with a nuclear radiation source device shell, setting the device on a monitoring site of the nuclear radiation source device bound with the device, and carrying out uninterrupted monitoring on the working state of the nuclear radiation source device and the position of a nuclear radiation source; the nuclear radiation source equipment monitoring device is internally provided with a wireless communication module which is connected with corresponding local off-site monitoring equipment and remote monitoring equipment through a network;
(2) a first nuclear radiation detection module and a second nuclear radiation detection module which work alternately are arranged in the nuclear radiation source equipment monitoring device; the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with higher sensitivity, and the second nuclear radiation detection module is a high-intensity nuclear radiation detection module placed in a radiation-proof material;
(3) the single chip microcomputer module is arranged in the nuclear radiation source equipment monitoring device and controls the first nuclear radiation detection module and the second nuclear radiation detection module; when the first nuclear radiation detection module or the second nuclear radiation detection module is in a working state, the working nuclear radiation detection module detects the radiation quantity of a radiation source, amplifies and shapes the intensity detection signal of the nuclear radiation ray, converts the intensity detection signal into a level signal acceptable by a single chip microcomputer and transmits the level signal to the single chip microcomputer module, and the single chip microcomputer module judges the intensity of the nuclear radiation quantity and counts the times of the nuclear radiation source entering and exiting the radiation source equipment;
(4) the method comprises the steps that a nuclear radiation source device monitoring device is powered on and initialized, the nuclear radiation source device is in a non-working state at the moment, a first nuclear radiation detection module is used for detecting and monitoring the nuclear radiation source device and the environment radiation quantity, and the initial environment radiation quantity intensity value is input into a single chip microcomputer module; the singlechip module records the number of times of the nuclear radiation source entering and exiting the radiation source equipment as N (N is a natural number);
(5) when the intensity values of the nuclear radiation source equipment and the environment radiation amount detected by the first nuclear radiation detection module are within a set low-intensity radiation value range (set to be 0-1 milli-siever), the first nuclear radiation detection module is kept in an electrified monitoring state under the control of the single chip microcomputer, the radiation source equipment and the environment radiation amount are monitored uninterruptedly, and the single chip microcomputer module records the number of times of the nuclear radiation source entering and exiting the radiation source equipment as N +0(N is a natural number); transmitting the collected radiation intensity value signals and the numerical value of the access count to local off-site monitoring equipment or remote monitoring equipment;
(6) when the nuclear radiation source equipment and the environment radiation amount detected by the first nuclear radiation detection module exceed the threshold value of the high point of the low-intensity radiation value range (set as 1 milli-siever), the first nuclear radiation detection module is powered off and stops working under the control of the single chip microcomputer, meanwhile, the second nuclear radiation detection module is powered on and starts and keeps an uninterrupted monitoring state, the second nuclear radiation detection module detects that the source equipment in the set high-intensity radiation value range (which can be set as 1-400 milli-siever) is uninterruptedly monitored, and the number of times of the nuclear radiation source entering and exiting the source equipment is recorded as N + 1; transmitting the collected radiation intensity value signals and the number of times of entering and exiting equipment to local off-site monitoring equipment or remote monitoring equipment;
(7) when the intensity values of the nuclear radiation source equipment and the environment radiation quantity detected by the second nuclear radiation detection module are within the range of the set low-energy radiation value again (set to be 0-1 milli-siever), the second nuclear radiation detection module is powered off and stops working under the control of the single chip microcomputer, meanwhile, the first nuclear radiation detection module is started and keeps a power-on monitoring state, and the number of times of the nuclear radiation source entering and exiting the radiation source equipment is recorded as N + 2; transmitting the collected radiation intensity value signals to local off-site monitoring equipment or remote monitoring equipment;
(8) when the nuclear radiation source equipment and the environment radiation amount detected by the first nuclear radiation detection module exceed the threshold value of the high point of the low-intensity radiation value range again (set as 1-400 millisiever), the first nuclear radiation detection module is powered off and stops working under the control of the single chip microcomputer, meanwhile, the second nuclear radiation detection module is powered on and started and keeps an uninterrupted monitoring state, the second nuclear radiation detection module detects that the source equipment in the set high-intensity radiation value range (set as 1-400 millisiever) is uninterruptedly monitored, and the number of times of the nuclear radiation source entering and exiting the source equipment is recorded as N + 3; transmitting the collected radiation intensity value signals and the number of times of entering and exiting equipment to local off-site monitoring equipment or remote monitoring equipment;
(9) when the intensity values of the nuclear radiation source equipment and the environment radiation quantity detected by the second nuclear radiation detection module are within the range of the set low-energy radiation value again (set to be 0-1 milli-siever), the second nuclear radiation detection module is powered off and stops working under the control of the single chip microcomputer, meanwhile, the first nuclear radiation detection module is started and keeps a power-on monitoring state, and the number of times of the nuclear radiation source entering and exiting the radiation source equipment is recorded as N + 4; transmitting the collected radiation intensity value signals to local field monitoring equipment or remote monitoring equipment;
(10) repeating the steps (4) to (9), and implementing uninterrupted monitoring on the working state of the nuclear radiation source equipment and the position of the nuclear radiation source; the local off-site monitoring equipment and the remote monitoring equipment can judge the working state of the nuclear radiation source equipment and the position of the nuclear radiation source according to the counting value of the single chip microcomputer: when the singlechip records the number of times of the nuclear radiation source entering and exiting the radiation source equipment as N, the nuclear radiation source equipment is in a non-working state, and the nuclear radiation source equipment is in the equipment; when the count is N +1, the nuclear radiation source equipment is in a working state, and the nuclear radiation source is pushed to the outside from the inside of the equipment; when the count is N +2, the nuclear radiation source device is in a working state, and the nuclear radiation source is positioned outside the device; when the count is N +3, the nuclear radiation source equipment is in a working state, the nuclear radiation source is positioned outside the equipment and returns to the equipment from the outside of the equipment; when the count is N +4, the nuclear radiation source device is in a non-operating state, the nuclear radiation source has returned to be inside the device.
The step (4) further comprises the following steps:
(41) the nuclear radiation source equipment monitoring device is also provided with a camera module, when the nuclear radiation source equipment monitoring device is powered on and initialized, a singlechip module in the nuclear radiation source equipment monitoring device starts the camera module, the camera module is adopted to carry out all-weather real-time monitoring on a radiation source monitoring site, and the video of the site is stored; the local off-site monitoring equipment and the remote monitoring equipment can send request signals to the nuclear radiation source equipment monitoring device, and when the single chip microcomputer module in the device receives the request signals, the real-time monitoring camera information in the camera module or the stored monitoring camera information is sent to the local off-site monitoring equipment and the remote monitoring equipment through the wireless communication module, so that the remote real-time monitoring of the nuclear radiation source equipment monitoring site is realized.
The step (10) further comprises the steps of:
(101) the local monitoring equipment can receive information transmitted by a corresponding nuclear radiation source equipment monitoring device, and judges the working state of the nuclear radiation source equipment and the position of a nuclear radiation source according to the count value of a single chip microcomputer module of the nuclear radiation source equipment monitoring device in the information;
(102) the remote monitoring equipment can receive information transmitted by one or more corresponding nuclear radiation source equipment monitoring devices, can select the information transmitted by any one of the nuclear radiation source equipment monitoring devices to judge, and judges the working state of the nuclear radiation source equipment and the position of the nuclear radiation source according to the count value of the single chip microcomputer module in the nuclear radiation source equipment monitoring device.
Compared with the prior art have the advantages that:
1. the utility model discloses the remote real-time monitoring device of nuclear radiation source equipment, its key point lies in, sets up the nuclear radiation source equipment monitoring device at the nuclear radiation source equipment monitoring scene, and it sets up on the nuclear radiation source equipment directly, makes this nuclear radiation source equipment monitoring device and nuclear radiation source equipment casing one-to-one bind and follow; the nuclear radiation detection module in the device is used for monitoring the nuclear radiation quantity of a site in real time, wherein the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with higher sensitivity, and the second nuclear radiation detection module is a high-intensity nuclear radiation detection module arranged in a radiation-proof material; the nuclear radiation detection module has a radiation protection function, a nuclear radiation detection module in work detects the radiation quantity, amplifies and shapes a detection signal of nuclear radiation rays, converts the detection signal into a level signal acceptable by a single chip microcomputer and then transmits the level signal to the single chip microcomputer module, the single chip microcomputer module judges the nuclear radiation quantity, and the single chip microcomputer module can automatically switch a first nuclear radiation detection module and a second nuclear radiation detection module according to the peripheral nuclear radiation quantity or a nuclear radiation source device out-of-box or back-of-box operation signal, so that the nuclear radiation detection device is prevented from being damaged by nuclear radiation when the nuclear radiation source device is out-of-box or back-of-box operated;
2. the utility model discloses long-range real time monitoring device of nuclear radiation source equipment, singlechip module in the nuclear radiation source equipment monitoring device are as the host system of device, and singlechip module carries out nuclear radiant quantity intensity and judges and count the number of times that nuclear radiation source came in and go out the radiation source equipment, and local off-site monitoring equipment and remote monitering equipment can judge the operating condition of nuclear radiation source equipment and the position of nuclear radiation source according to the count value of singlechip: when the singlechip records the number of times of the nuclear radiation source entering and exiting the radiation source equipment as N, the nuclear radiation source equipment is in a non-working state, and the nuclear radiation source equipment is in the equipment; when the count is N +1, the nuclear radiation source equipment is in a working state, and the nuclear radiation source is pushed to the outside from the inside of the equipment; when the count is N +2, the nuclear radiation source device is in a working state, and the nuclear radiation source is positioned outside the device; when the count is N +3, the nuclear radiation source equipment is in a working state, the nuclear radiation source is positioned outside the equipment and returns to the equipment from the outside of the equipment; when the count is N +4, the nuclear radiation source equipment is in a non-working state, and the nuclear radiation source is returned to be positioned inside the equipment;
3. the utility model discloses nuclear radiation source equipment remote real-time monitoring device, local off-site monitoring equipment and remote monitoring equipment can be through sending request signal to nuclear radiation source equipment monitoring device, when the single chip microcomputer module in the device received request signal, send the image information in the camera module to remote monitoring equipment or local monitoring equipment through wireless communication module, realize the remote real-time monitoring to nuclear radiation source equipment monitoring scene;
4. the utility model discloses long-range real time monitoring device of nuclear radiation source equipment, the LED display module of radiation source equipment number of times is gone out with initial environment radiant quantity intensity value, real-time environment radiant quantity intensity value, nuclear radiation source discrepancy in and out to the nuclear radiation source equipment monitoring device in the singlechip module can also receive various information and handle the back, transmit to the LED display module in the device, show initial environment radiant quantity intensity value, real-time environment radiant quantity intensity value, nuclear radiation source discrepancy radiation source equipment number of times on the device in real time through the LED display screen, thereby can also control to singlechip module emergence control signal through button module the demonstration content of LED display module.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (6)
1. A remote real-time monitoring device for nuclear radiation source equipment is characterized in that the remote real-time monitoring device is directly arranged on the nuclear radiation source equipment and comprises a single chip microcomputer module for realizing a main control function, a first nuclear radiation detection module, a second nuclear radiation detection module, a wireless communication module and a camera module, wherein the first nuclear radiation detection module, the second nuclear radiation detection module, the wireless communication module and the camera module can work alternately; the first nuclear radiation detection module is a low-intensity nuclear radiation detection module with high sensitivity, the second nuclear radiation detection module is a high-intensity nuclear radiation detection module placed in a radiation-proof material, and the wireless communication module is connected with corresponding local off-site monitoring equipment and remote monitoring equipment through a network.
2. The remote real-time monitoring device for nuclear radiation source equipment according to claim 1, further comprising a battery module for monitoring the amount of charge of the battery and protecting the battery from overcharge and overdischarge, the battery module being connected to the single chip microcomputer.
3. The remote real-time monitoring device for the nuclear radiation source equipment according to claim 1, further comprising an LED display module for displaying an initial environmental radiation intensity value, a real-time environmental radiation intensity value, and the number of times the nuclear radiation source enters or exits the radiation source equipment, wherein the LED display module is connected to the single chip microcomputer module.
4. The remote real-time monitoring device for the nuclear radiation source equipment according to claim 3, further comprising a key module for controlling the single chip microcomputer module so as to control the LED display module to display contents, wherein the key module is connected with the single chip microcomputer module.
5. The remote real-time monitoring device for the nuclear radiation source equipment according to claim 1, wherein the remote real-time detection device for the nuclear radiation source equipment is a container with an open side, and a shell of the container is made of a radiation-proof material; the second nuclear radiation detection module, the single chip microcomputer module, the wireless communication module and the battery module are arranged on one side of the device, which is sealed inside the device, and the side of the device adopts a thickened radiation-proof material sealing device; the first nuclear radiation detection module is arranged on one side of an opening in the device, and the side of the device is sealed by a non-radiation-proof material baffle (1); the first nuclear radiation detection module (2) is isolated from other modules by adopting a radiation-proof material isolation plate (3).
6. The remote real-time monitoring device for the nuclear radiation source equipment according to claim 1, wherein the first nuclear radiation detection module is also provided with an auxiliary radiation protection component, the auxiliary radiation protection component comprises a radiation protection material baffle plate (4) which is a fan-shaped cylinder, the radiation protection material baffle plate (4) is further coated with a radiation protection coating, and when the nuclear radiation source equipment is in a normal working state, the radiation protection material baffle plate is arranged on one side of the first nuclear radiation detection module (2) and the radiation protection material isolation plate (3) and has no influence on nuclear radiation detection of the first nuclear radiation detection module (2); when the device starts an automatic protection program, the radiation protection material baffle (4) rotates to a preset angle and is placed between the first nuclear radiation detection module (2) and the non-radiation protection material baffle (1), and then the influence of nuclear radiation on the first detection module is isolated.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110988963A (en) * | 2019-04-12 | 2020-04-10 | 生态环境部华南环境科学研究所 | Remote real-time monitoring method and device for nuclear radiation source equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110988963A (en) * | 2019-04-12 | 2020-04-10 | 生态环境部华南环境科学研究所 | Remote real-time monitoring method and device for nuclear radiation source equipment |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Sili Inventor after: Guo Qingwei Inventor after: Chen Fuzhang Inventor after: Gan Mi Inventor after: Yao Xuzhong Inventor after: Luo Xueting Inventor after: Xu Yue Inventor before: Chen Sili Inventor before: Guo Qingwei Inventor before: Chen Fuzhang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |