WO2021115315A1 - 核电厂辐射剂量分布的测量方法和测量系统 - Google Patents
核电厂辐射剂量分布的测量方法和测量系统 Download PDFInfo
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Definitions
- the present invention belongs to the field of nuclear power technology. More specifically, the present invention relates to a method and system for measuring radiation dose distribution of nuclear power plants.
- radiation dose measurement in nuclear power plants is achieved by installing fixed radiation dose measurement devices in some areas of nuclear power plants.
- the fixed radiation dose measurement device can only measure the radiation dose at the point where it is displayed in real time.
- Other areas without a fixed radiation dose measurement device are blind areas, and the limitation of the number of measurement devices results in many blind areas in the factory.
- nuclear power plants In order to meet the needs of production dispatching and command and emergency response, nuclear power plants have already set up a wireless communication system for calling and tracing people and issuing nuclear emergency information, as well as providing mobile data transmission services.
- a wireless communication system for calling and tracing people and issuing nuclear emergency information, as well as providing mobile data transmission services.
- a macro base station corresponds to a large area, even if portable personal radiation dosimeters or other mobile dose measuring devices are installed
- the wireless transmission module can only display the dose value in the corresponding area, and cannot accurately locate the dose value and the location of the plant.
- the purpose of the present invention is to provide a method and system that can accurately and comprehensively measure the radiation dose distribution of nuclear power plants, so as to issue early warning information in time when the radiation dose unexpectedly exceeds the standard, and remind staff to stay away from related occupational health and safety hazards. Area.
- the present invention provides a method for measuring radiation dose distribution in a nuclear power plant, the method comprising:
- the data processing system determines the mobile dose measuring device carried by the worker according to the identity of the worker, and uses the radiation dose measured by the mobile dose measuring device carried by the worker when the video image is intercepted as the worker’s location
- the radiation dose of the location is marked on the radiation dose distribution map of the nuclear power plant.
- the nuclear power plant radiation dose distribution measurement method of the present invention also includes the following steps:
- the radiation dose measured by the mobile dose measuring device carried by the worker is calculated according to the time when the worker enters and exits the monitoring blind zone and the work
- the corresponding relationship between the positions of personnel in the monitoring blind zone is as follows:
- the data processing system calculates the specific time point when the worker passes through each location point in the monitoring blind zone, and then The radiation dose measured by the mobile dose measuring device carried by the staff at the specific time point is used as the radiation dose at the corresponding location; or
- the time period during which the staff enters and exits the monitoring blind zone is divided to obtain multiple specific time points.
- the data processing system calculates the position of the staff in the monitoring blind zone at each specific time point.
- the radiation dose measured by the mobile dose measuring device carried by the worker at each specific time point is taken as the radiation dose at the corresponding location point.
- the method of intercepting video images is as follows: multiple measurement points are identified in the video image of each video camera. At any measuring point, the camera will capture the video image at that time;
- the data processing system confirms the identity of the staff member, and records the location of the staff member at the same time: the data processing system confirms the identity of the staff member through face recognition or identity recognition mark, and will intercept the video image. The coordinates of the measuring point where the staff is located are taken as their location;
- the identification mark is a unique string of characters, letters, numbers, two-dimensional codes or bar codes set on the helmets or clothes of the workers.
- each mobile dose measuring device is assigned a unique ID, and each mobile dose measuring device is associated with only one worker;
- step 3 the method of determining the mobile dose measurement device carried by the worker according to the identity of the worker is: searching for the ID of the mobile dose measurement device associated with the worker, and the mobile dose measurement corresponding to the ID
- the device is a mobile dose measuring device carried by the worker.
- the video monitoring system and the wireless communication system use the same time reference signal to ensure that they are synchronized in time.
- the present invention also provides a system for measuring radiation dose distribution in a nuclear power plant, which includes:
- a mobile dose measuring device equipped with a wireless transmission module for measuring the radiation dose at the location and real-time transmission of the measured radiation dose through the wireless communication system;
- Wireless communication system covering all the area to be measured, used to transmit the radiation dose measured by the mobile dose measuring device to the data processing system;
- Video surveillance system including multiple video cameras set in the area to be measured, used to intercept the video image and transmit the video image together with the interception time when the staff carrying the mobile dose measuring device enters the surveillance range of the video camera Data processing system;
- the data processing system is used to receive the radiation dose transmitted by the wireless communication system in real time and the video image transmitted by the video monitoring system, and confirm the identity of the worker according to the received video image, and record the location of the worker at the same time; It is used to determine the mobile dose measuring device carried by the worker according to the identity of the worker, and the radiation dose measured by the mobile dose measuring device carried by the worker at the time when the video image is intercepted is used as the radiation at the location of the worker The dose is marked on the radiation dose distribution map of the nuclear power plant.
- the data processing system is also used to set the movement of the staff in the monitoring blind zone between the monitoring ranges of adjacent video cameras as a uniform motion, according to the The time for the staff to enter and exit the monitoring blind zone, calculate the corresponding relationship between the radiation dose measured by the mobile dose measuring device carried by the staff and the position of the staff in the monitoring blind zone, and mark it in the nuclear power plant Plant radiation dose distribution map.
- the data processing system calculates the radiation measured by the mobile dose measurement device carried by the worker according to the time when the worker enters and exits the monitoring blind zone.
- the corresponding relationship between the dose and the position of the worker in the monitoring blind zone is as follows:
- the data processing system calculates the specific time point when the worker passes through each location point in the monitoring blind zone, and then The radiation dose measured by the mobile dose measuring device carried by the staff at the specific time point is used as the radiation dose at the corresponding location; or
- the time period during which the staff enters and exits the monitoring blind zone is divided to obtain multiple specific time points.
- the data processing system calculates the position of the staff in the monitoring blind zone at each specific time point.
- the radiation dose measured by the mobile dose measuring device carried by the worker at each specific time point is taken as the radiation dose at the corresponding location point.
- the data processing system intercepts video images by identifying multiple measurement points in the video image of each video camera. When a worker passes through any When measuring a point, the camera will capture the current video image;
- the data processing system confirms the identity of the staff member according to the received video image, and records the location of the staff member at the same time: the data processing system uses face recognition or identity identification mark to identify the staff member in the video image. Perform identity confirmation, and use the coordinates of the measurement point where the staff member was located when the video image was intercepted as their location;
- the identification mark is a unique string of characters, letters, numbers, two-dimensional codes or bar codes set on the helmets or clothes of the workers.
- each mobile dose measurement device is assigned a unique ID, and each mobile dose measurement device is associated with only one worker;
- the method for the data processing system to determine the mobile dose measuring device carried by the worker according to the identity of the worker is: searching for the ID of the mobile dose measuring device associated with the worker, and the mobile dose corresponding to the ID
- the measuring device is a mobile dose measuring device carried by the worker.
- the video monitoring system and the wireless communication system use the same time reference signal to ensure that they are synchronized in time.
- the data processing system marks a certain position on the nuclear power plant radiation dose distribution map and finds that the position has been marked with radiation dose, it will The new radiation dose updates the old radiation dose.
- the method and system for measuring radiation dose distribution in nuclear power plants according to the present invention can pass the mobile type carried by all workers in the nuclear power plant by installing a certain number of video cameras and cooperating with the existing wireless communication system.
- the radiation dose measured by the dose measurement device in real time can accurately draw the radiation dose distribution map in the area where the dose measurement is required in the nuclear power plant. Therefore, in the case of accidental excessive radiation dose, early warning messages can be issued in time to remind staff to stay away from related areas that may endanger occupational health and safety.
- Fig. 1 is a flowchart of a preferred embodiment of the method for measuring radiation dose distribution in a nuclear power plant according to the present invention.
- Fig. 2 is a schematic diagram of a preferred embodiment of the radiation dose distribution measurement system of a nuclear power plant according to the present invention.
- the method for measuring radiation dose distribution of a nuclear power plant according to the present invention includes:
- Step 101 Equip the staff with a mobile dose measuring device with wireless communication function.
- the mobile dose measuring device carried by the staff measures the radiation dose at the location and passes the wireless communication system The measured radiation dose is transmitted to the data processing system in real time.
- the area to be measured refers to the area in the nuclear power plant where radiation dose measurement is required.
- each mobile dose measurement device is assigned a unique ID, and each mobile dose measurement device is associated with only one worker. Every staff member carrying a mobile dose measuring device can confirm their identity through video images.
- the specific method of identity confirmation can be face recognition, or a unique identification mark can be placed on the staff’s helmet or clothing. , Such as a string of text, letters, numbers, QR codes or barcodes, etc.
- Step 102 Use multiple video cameras of the video surveillance system to monitor the area to be measured.
- a worker carrying a mobile dose measuring device enters the monitoring range of the video camera, intercept the video image and transmit the video image together with the interception time to the data processing.
- the data processing system confirms the identity of the worker and records the location of the worker at the same time.
- multiple video cameras are installed in the area to be measured, and the exact location of each camera is marked on the floor plan of the corresponding plant.
- the video monitoring system and the wireless communication system use the same time reference signal to ensure that they are synchronized in time.
- the method of intercepting the video image is: identifying multiple measurement points in the video image of each video camera, for example, marking the measurement points by drawing a line or area.
- the camera That is, the video image at that time is captured.
- the data processing system confirms the identity of the worker and records the location of the worker at the same time: the data processing system confirms the identity of the worker through face recognition or identity recognition mark, and will intercept the video image. The coordinates of the measurement point where the staff member is located are taken as their location.
- Step 103 The data processing system determines the mobile dose measuring device carried by the worker according to the identity of the worker, and uses the radiation dose measured by the mobile dose measuring device carried by the worker when the video image is intercepted as the location of the worker.
- the radiation dose is marked on the radiation dose distribution map of the nuclear power plant.
- the method for determining the mobile dose measuring device carried by the worker according to the identity of the worker is: searching for the ID of the mobile dose measuring device associated with the worker, and the mobile dose measuring device corresponding to the ID is the same.
- the method for measuring radiation dose distribution of a nuclear power plant of the present invention also includes the following steps:
- Step 104 For the surveillance blind zone between the surveillance ranges of adjacent video cameras, set the movement of the staff in the surveillance blind zone to be a uniform motion, and calculate the mobile type carried by the staff according to the time when the staff enters and exits the surveillance blind zone. The corresponding relationship between the radiation dose measured by the dose measuring device and the position of the worker in the monitoring blind zone is marked on the radiation dose distribution map of the nuclear power plant.
- the method of calculating the correspondence between the radiation dose measured by the mobile dose measuring device carried by the worker and the position of the worker in the monitoring blind zone is as follows:
- the data processing system calculates the specific time point when the worker passes through each location in the monitoring blind zone.
- the radiation dose measured by the mobile dose measuring device at the specific time point is used as the radiation dose at the corresponding location; or
- the time period for the staff to enter and exit the blind monitoring zone is divided to obtain multiple specific time points.
- the data processing system calculates the position of the staff in the blind monitoring zone at each specific time point.
- the radiation dose measured by the mobile dose measuring device carried by the worker at each specific time point is taken as the radiation dose at the corresponding location point.
- steps 103 and 104 if a certain position on the radiation dose distribution map of a nuclear power plant is marked with radiation dose, and it is found that the position has been marked with radiation dose, then the old radiation dose will be measured with the new radiation dose. Update.
- the radiation dose distribution measurement method of the nuclear power plant of the present invention is coordinated with a video camera and a wireless communication system, and the radiation dose measured in real time by the mobile dose measurement device carried by all the workers in the nuclear power plant accurately plots the radiation dose required in the nuclear power plant. Radiation dose distribution diagram in the dose measurement area.
- the radiation dose distribution measurement system of the nuclear power plant of the present invention includes a mobile dose measurement device 20, a wireless communication system 30, a video monitoring system 40, and a data processing system 50.
- the mobile dose measuring device 20 is equipped with a wireless transmission module for measuring the radiation dose at the location and transmitting the measured radiation dose in real time through the wireless communication system 30.
- Each mobile dose measuring device 20 is assigned a unique ID, and each mobile dose measuring device 20 is associated with only one worker. Every staff member carrying the mobile dose measuring device 20 can confirm their identity through video images.
- the specific method of identity confirmation can be face recognition, or a unique identity can be set on the staff’s helmet or clothes. logo (such as a string of words, letters or numbers, etc.).
- the mobile dose measuring device 20 may be a portable personal radiation dosimeter.
- the wireless communication system 30 is installed in important factories such as nuclear islands, and has covered all the area to be measured, and is used to transmit the radiation dose measured by the mobile dose measuring device 20 to the data processing system 50.
- the area to be measured refers to the area in the nuclear power plant where radiation dose measurement is required.
- the video monitoring system 40 includes a plurality of video cameras arranged in the area to be measured, which is used to capture the video image and combine the video image with the capture time when the staff carrying the mobile dose measuring device 20 enters the monitoring range of the video camera Transmitted to the data processing system 50.
- the video monitoring system 40 and the wireless communication system 30 use the same time reference signal to ensure that they are synchronized in time.
- the data processing system 50 is used for receiving the radiation dose transmitted by the wireless communication system 30 in real time and the video image transmitted by the video monitoring system, and confirming the identity of the staff member according to the received video image, and recording the location of the staff member at the same time; It is used to determine the mobile dose measuring device carried by the worker according to the identity of the worker. The radiation dose measured by the mobile dose measuring device carried by the worker at the time the video image is intercepted is used as the radiation dose mark of the worker’s location. Radiation dose distribution map of nuclear power plant.
- the data processing system intercepts the video image by identifying multiple measurement points in the video image of each video camera, for example, marking the measurement points by drawing a line or area. When a worker passes through any measurement point When the time, the camera intercepts the video image at that time.
- the data processing system confirms the identity of the staff member according to the received video image, and records the location of the staff member at the same time: the data processing system performs facial recognition or identification marks on the staff member in the video image. The identity is confirmed, and the coordinates of the measurement point where the staff member was located when the video image was intercepted are taken as their location.
- the data processing system determines the mobile dose measuring device carried by the worker according to the worker’s identity: searching for the ID of the mobile dose measuring device associated with the worker, and the mobile dose measuring device corresponding to the ID It is the mobile dose measuring device carried by the worker.
- the data processing system 50 marks a certain position on the radiation dose distribution map of the nuclear power plant and finds that the position has been marked with radiation dose, it will update the old radiation dose with the new radiation dose.
- the data processing system 50 is also used to set the movement of the staff in the surveillance blind zone between the adjacent video camera monitoring ranges to be a uniform motion, and calculate the mobile type carried by the staff according to the time when the staff enters and exits the surveillance blind zone.
- the corresponding relationship between the radiation dose measured by the dose measuring device and the position of the worker in the monitoring blind zone is marked on the radiation dose distribution map of the nuclear power plant.
- the method of calculating the correspondence between the radiation dose measured by the mobile dose measuring device carried by the worker and the position of the worker in the monitoring blind zone according to the time when the worker enters and exits the monitoring blind zone is as follows:
- the data processing system calculates the specific time point when the worker passes through each location in the monitoring blind zone.
- the radiation dose measured by the mobile dose measuring device at the specific time point is used as the radiation dose at the corresponding location; or
- the time period for the staff to enter and exit the blind monitoring zone is divided to obtain multiple specific time points.
- the data processing system calculates the position of the staff in the blind monitoring zone at each specific time point.
- the radiation dose measured by the mobile dose measuring device carried by the worker at each specific time point is taken as the radiation dose at the corresponding location point.
- the method and system for measuring radiation dose distribution in nuclear power plants according to the present invention can pass the mobile type carried by all workers in the nuclear power plant by installing a certain number of video cameras and cooperating with the existing wireless communication system.
- the radiation dose measured in real time by the dose measuring device accurately draws the radiation dose distribution map in the area where the dose measurement is required in the nuclear power plant (especially the important factory buildings such as nuclear islands). Therefore, in the case of accidental excessive radiation dose, early warning messages can be issued in time to remind staff to stay away from related areas that may endanger occupational health and safety.
Abstract
一种核电厂辐射剂量分布的测量方法和测量系统，通过设置一定数量的视频摄像机，与现有无线通信系统（30）相配合，即可通过核电厂内所有工作人员携带的移动式剂量测量装置（20）实时测得的辐射剂量，准确绘制出核电厂内需要进行剂量测量区域内的辐射剂量分布图。因此，在辐射剂量意外超标的情况下，可及时发出预警信息，提醒工作人员远离相关可能危害职业健康安全的区域。
Description
本发明属于核电技术领域，更具体地说，本发明涉及一种核电厂辐射剂量分布的测量方法和测量系统。
为保证核电厂工作人员的人身安全，需要对核电厂内的辐射剂量分布进行测量，以便在辐射剂量意外超标的情况下，及时发出预警信息，提醒工作人员远离相关可能危害职业健康安全的区域。
目前，核电厂辐射剂量测量是通过在核电厂部分区域内设置固定式辐射剂量测量装置来实现的。但是，固定式辐射剂量测量装置只能实时测量显示所在位置点的辐射剂量，其他未设置固定式辐射剂量测量装置的区域则为盲区，而测量装置数量的限制则导致厂房内存在较多盲区。
虽然核电厂已经为工作人员配有便携式个人辐射剂量表，但是便携式个人辐射剂量表在未加装无线数据模式的情况下为离线数据，无法与所在位置以及测量时间相关联，在事故工况下不能做到及时预警，可能影响到工作人员的职业健康安全。
为满足生产调度指挥和应急响应的需要，核电厂已经设有一套无线通信系统，用于呼叫寻人和发布核应急信息，以及提供移动数据传输服务。但是，由于当前核电厂无线通信系统大多采用宏基站方式进行核岛等厂房内的无线室分覆盖，一台宏基站对应一大片区域，便携式个人辐射剂量表或其他移动式剂量测量装置即使加装无线传输模块，也只能显示对应区域内的剂量值，无法做到剂量值与厂房所在位置的准确定位。
有鉴于此，确有必要提供一种能够准确、全面地测量核电厂辐射剂量分布的方法和系统。
发明内容
本发明的目的在于：提供一种能够准确、全面地测量核电厂辐射剂量分布的方法和系统，以在辐射剂量意外超标的情况下，及时发出预警信息，提醒工作人员远离相关可能危害职业健康安全的区域。
为了实现上述发明目的，本发明提供了一种核电厂辐射剂量分布的测量方法，所述方法包括：
1)为工作人员配备具有无线通信功能的移动式剂量测量装置，当工作人员在待测量区域内移动时，所述工作人员携带的移动式剂量测量装置测量所在位置的辐射剂量并通过无线通信系统将测得的辐射剂量实时传送给数据处理系统；
2)以视频监控系统的多台视频摄像机监控待测量区域，当携带移动式剂量测量装置的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统，数据处理系统对所述工作人员进行身份确认，同时记录所述工作人员所在位置；
3)数据处理系统根据所述工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时所述工作人员携带的移动式剂量测量装置测得的辐射剂量，作为所述工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，还包括以下步骤：
4)对于相邻视频摄像机监控范围之间的监控盲区，设定工作人员在所述监控盲区内的移动为匀速运动，根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，根据所述工作人 员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在监控盲区中所在位置之间的对应关系的方式为：
在监控盲区中设定多个位置点，根据所述工作人员进出所述监控盲区的时间，由数据处理系统计算所述工作人员在监控盲区中经过每一位置点的具体时间点，以所述工作人员携带的移动式剂量测量装置在所述具体时间点测得的辐射剂量作为对应位置点的辐射剂量；或
按照相同时间间隔对所述工作人员进出所述监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时所述工作人员在监控盲区中所处的位置点，将所述工作人员携带的移动式剂量测量装置在所述每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，所述步骤2)中，截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，当工作人员经过任一测量点时，摄像机即截取当时的视频图像；
数据处理系统对所述工作人员进行身份确认，同时记录所述工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对所述工作人员进行身份确认，并将截取视频图像时所述工作人员所在测量点的坐标作为其所在位置；
所述身份识别标志是设置在工作人员的头盔或者衣服上的、具有唯一性的一串文字、字母、数字、二维码或条形码。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，每一移动式剂量测量装置均分配有唯一的ID，且每一移动式剂量测量装置与唯一一位工作人员相关联；
步骤3)中根据所述工作人员身份确定其携带的移动式剂量测量装置的方式为：查找与所述工作人员相关联的移动式剂量测量装置的ID，与所述ID对应的移动式剂量测量装置即为所述工作人员携带的移动式剂量测量装置。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，所述视频监控系统和所述无线通信系统采用同一时间基准信号，以确保二者在时间上保持同步。
作为本发明核电厂辐射剂量分布的测量方法的一种改进，如果对核电厂辐射剂量分布地图上的某一位置进行辐射剂量标记时，发现所述位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
为了实现上述发明目的，本发明还提供了一种核电厂辐射剂量分布的测量系统，其包括：
移动式剂量测量装置，装有无线传输模块，用于测量所在位置的辐射剂量并通过无线通信系统对测得的辐射剂量进行实时传送；
无线通信系统，覆盖全部待测量区域，用于将移动式剂量测量装置测得的辐射剂量传送给数据处理系统；
视频监控系统，包括多台设置在待测量区域内的视频摄像机，用于当携带移动式剂量测量装置的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统；
数据处理系统，用于接收无线通信系统实时传送的辐射剂量以及视频监控系统传送的视频图像，并根据接收到的视频图像对所述工作人员进行身份确认，同时记录所述工作人员所在位置；还用于根据所述工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时所述工作人员携带的移动式剂量测量装置测得的辐射剂量，作为所述工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，所述数据处理系统还用于设定工作人员在相邻视频摄像机监控范围之间的监控盲区内的移动为匀速运动，根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，所述数据处理系统根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系的方式为：
在监控盲区中设定多个位置点，根据所述工作人员进出所述监控盲区的时间，由数据处理系统计算所述工作人员在监控盲区中经过每一位置点的具体时间点，以所述工作人员携带的移动式剂量测量装置在所述具体时间点测得的辐射剂量作为对应位置点的辐射剂量；或
按照相同时间间隔对所述工作人员进出所述监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时所述工作人员在监控盲区中所处的位置点，将所述工作人员携带的移动式剂量测量装置在所述每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，所述数据处理系统截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，当工作人员经过任一测量点时，摄像机即截取当时的视频图像；
所述数据处理系统根据接收到的视频图像对所述工作人员进行身份确认，同时记录所述工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对视频图像中的工作人员进行身份确认，并将截取视频图像时所述工作人员所在测量点的坐标作为其所在位置；
所述身份识别标志是设置在工作人员的头盔或者衣服上的、具有唯一性的一串文字、字母、数字、二维码或条形码。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，每一移动式剂量测量装置均分配有唯一的ID，且每一移动式剂量测量装置与唯一一位工作人员相关联；
所述数据处理系统根据所述工作人员身份确定其携带的移动式剂量测量装 置的方式为：查找与所述工作人员相关联的移动式剂量测量装置的ID，与所述ID对应的移动式剂量测量装置即为所述工作人员携带的移动式剂量测量装置。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，所述视频监控系统和所述无线通信系统采用同一时间基准信号，以确保二者在时间上保持同步。
作为本发明核电厂辐射剂量分布的测量系统的一种改进，如果数据处理系统对核电厂辐射剂量分布地图上的某一位置进行辐射剂量标记时，发现所述位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
与现有技术相比，本发明核电厂辐射剂量分布的测量方法和测量系统通过设置一定数量的视频摄像机，与现有无线通信系统相配合，即可通过核电厂内所有工作人员携带的移动式剂量测量装置实时测得的辐射剂量，准确绘制出核电厂内需要进行剂量测量区域内的辐射剂量分布图。因此，在辐射剂量意外超标的情况下，可及时发出预警信息，提醒工作人员远离相关可能危害职业健康安全的区域。
下面结合附图和具体实施方式，本发明核电厂辐射剂量分布的测量方法和测量系统进行详细说明。
图1为本发明核电厂辐射剂量分布的测量方法的一个较佳实施方式的流程图。
图2为本发明核电厂辐射剂量分布的测量系统的一个较佳实施方式的示意图。
为了使本发明的目的、技术方案及其有益技术效果更加清晰，以下结合附图和具体实施方式，对本发明进行进一步详细说明。应当理解的是，本说明书中描述的具体实施方式仅仅是为了解释本发明，并非为了限定本发明。
请参阅图1，本发明核电厂辐射剂量分布的测量方法，包括：
步骤101，为工作人员配备具有无线通信功能的移动式剂量测量装置，当工作人员在待测量区域内移动时，该工作人员携带的移动式剂量测量装置测量所在位置的辐射剂量并通过无线通信系统将测得的辐射剂量实时传送给数据处理系统。
具体地，待测量区域是指核电厂内需要进行辐射剂量测量的区域。
具体地，每一移动式剂量测量装置均分配有唯一的ID，且每一移动式剂量测量装置与唯一一位工作人员相关联。每一携带移动式剂量测量装置的工作人员都可以通过视频图像进行身份确认，身份确认的具体方式可以是人脸识别，也可以是在工作人员的头盔或者衣服上设置具有唯一性的身份识别标志，如一串文字、字母、数字、二维码或条形码等。
步骤102，以视频监控系统的多台视频摄像机监控待测量区域，当携带移动式剂量测量装置的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统，数据处理系统对该工作人员进行身份确认，同时记录该工作人员所在位置。
具体地，在待测量区域安装多台视频摄像机，并在对应厂房的建筑平面图上标注出各台摄像机的准确位置。
具体地，该视频监控系统和该无线通信系统采用同一时间基准信号，以确保二者在时间上保持同步。
具体地，截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，例如通过划出线条或区域对测量点进行标识，当工作人员经过任一测量点时，摄像机即截取当时的视频图像。
具体地，数据处理系统对该工作人员进行身份确认，同时记录该工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对该工作人员进行身份确认，并将截取视频图像时该工作人员所在测量点的坐标作为其所在 位置。
步骤103，数据处理系统根据该工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时该工作人员携带的移动式剂量测量装置测得的辐射剂量，作为该工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
具体地，根据该工作人员身份确定其携带的移动式剂量测量装置的方式为：查找与该工作人员相关联的移动式剂量测量装置的ID，与该ID对应的移动式剂量测量装置即为该工作人员携带的移动式剂量测量装置。
本发明核电厂辐射剂量分布的测量方法还包括以下步骤：
步骤104，对于相邻视频摄像机监控范围之间的监控盲区，设定工作人员在该监控盲区内的移动为匀速运动，根据该工作人员进出该监控盲区的时间，计算该工作人员携带的移动式剂量测量装置测得的辐射剂量与该工作人员在该监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
具体地，根据该工作人员进出该监控盲区的时间，计算该工作人员携带的移动式剂量测量装置测得的辐射剂量与该工作人员在监控盲区中所在位置之间的对应关系的方式为：
在监控盲区中设定多个位置点，根据该工作人员进出该监控盲区的时间，由数据处理系统计算该工作人员在监控盲区中经过每一位置点的具体时间点，以该工作人员携带的移动式剂量测量装置在该具体时间点测得的辐射剂量作为对应位置点的辐射剂量；或
按照相同时间间隔对该工作人员进出该监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时该工作人员在监控盲区中所处的位置点，将该工作人员携带的移动式剂量测量装置在该每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
具体地，在步骤103、104中，如果对核电厂辐射剂量分布地图上的某一位 置进行辐射剂量标记时，发现该位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
本发明核电厂辐射剂量分布的测量方法通过视频摄像机与无线通信系统相配合，通过核电厂内所有工作人员携带的移动式剂量测量装置实时测得的辐射剂量，准确绘制出了核电厂内需要进行剂量测量区域内的辐射剂量分布图。
请参阅图2，本发明核电厂辐射剂量分布的测量系统包括移动式剂量测量装置20、无线通信系统30、视频监控系统40、数据处理系统50。
移动式剂量测量装置20，装有无线传输模块，用于测量所在位置的辐射剂量并通过无线通信系统30对测得的辐射剂量进行实时传送。每一移动式剂量测量装置20均分配有唯一的ID，且每一移动式剂量测量装置20与唯一一位工作人员相关联。每一携带移动式剂量测量装置20的工作人员都可以通过视频图像进行身份确认，身份确认的具体方式可以是人脸识别，也可以是在工作人员的头盔或者衣服上设置具有唯一性的身份识别标志(如一串文字、字母或数字等)。移动式剂量测量装置20可以是便携式个人辐射剂量表。
无线通信系统30，设置在核岛等重要厂房内，已覆盖全部待测量区域，用于将移动式剂量测量装置20测得的辐射剂量传送给数据处理系统50。待测量区域是指核电厂内需要进行辐射剂量测量的区域。
视频监控系统40，包括多台设置在待测量区域内的视频摄像机，用于当携带移动式剂量测量装置20的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统50。视频监控系统40和无线通信系统30采用同一时间基准信号，以确保二者在时间上保持同步。
数据处理系统50，用于接收无线通信系统30实时传送的辐射剂量以及视频监控系统传送的视频图像，并根据接收到的视频图像对该工作人员进行身份确认，同时记录该工作人员所在位置；还用于根据该工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时该工作人员携带的移动式剂量测 量装置测得的辐射剂量，作为该工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
具体地，数据处理系统截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，例如通过划出线条或区域对测量点进行标识，当工作人员经过任一测量点时，摄像机即截取当时的视频图像。
具体地，数据处理系统根据接收到的视频图像对该工作人员进行身份确认，同时记录该工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对视频图像中的工作人员进行身份确认，并将截取视频图像时该工作人员所在测量点的坐标作为其所在位置。
具体地，数据处理系统根据该工作人员身份确定其携带的移动式剂量测量装置的方式为：查找与该工作人员相关联的移动式剂量测量装置的ID，与该ID对应的移动式剂量测量装置即为该工作人员携带的移动式剂量测量装置。
具体地，如果数据处理系统50对核电厂辐射剂量分布地图上的某一位置进行辐射剂量标记时，发现该位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
数据处理系统50，还用于设定工作人员在相邻视频摄像机监控范围之间的监控盲区内的移动为匀速运动，根据该工作人员进出该监控盲区的时间，计算该工作人员携带的移动式剂量测量装置测得的辐射剂量与该工作人员在该监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
具体地，根据该工作人员进出该监控盲区的时间，计算该工作人员携带的移动式剂量测量装置测得的辐射剂量与该工作人员在该监控盲区中所在位置之间的对应关系的方式为：
在监控盲区中设定多个位置点，根据该工作人员进出该监控盲区的时间，由数据处理系统计算该工作人员在监控盲区中经过每一位置点的具体时间点，以该工作人员携带的移动式剂量测量装置在该具体时间点测得的辐射剂量作为 对应位置点的辐射剂量；或
按照相同时间间隔对该工作人员进出该监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时该工作人员在监控盲区中所处的位置点，将该工作人员携带的移动式剂量测量装置在该每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
与现有技术相比，本发明核电厂辐射剂量分布的测量方法和测量系统通过设置一定数量的视频摄像机，与现有无线通信系统相配合，即可通过核电厂内所有工作人员携带的移动式剂量测量装置实时测得的辐射剂量，准确绘制出核电厂内需要进行剂量测量区域(尤其是核岛等重要厂房)内的辐射剂量分布图。因此，在辐射剂量意外超标的情况下，可及时发出预警信息，提醒工作人员远离相关可能危害职业健康安全的区域。
根据上述说明书的揭示和教导，本发明所属领域的技术人员还可以对上述实施方式进行适当的变更和修改。因此，本发明并不局限于上面揭示和描述的具体实施方式，对本发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本发明构成任何限制。
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- 一种核电厂辐射剂量分布的测量方法，其特征在于，所述方法包括：1)为工作人员配备具有无线通信功能的移动式剂量测量装置，当工作人员在待测量区域内移动时，所述工作人员携带的移动式剂量测量装置测量所在位置的辐射剂量并通过无线通信系统将测得的辐射剂量实时传送给数据处理系统；2)以视频监控系统的多台视频摄像机监控待测量区域，当携带移动式剂量测量装置的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统，数据处理系统对所述工作人员进行身份确认，同时记录所述工作人员所在位置；3)数据处理系统根据所述工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时所述工作人员携带的移动式剂量测量装置测得的辐射剂量，作为所述工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
- 根据权利要求1所述的核电厂辐射剂量分布的测量方法，其特征在于，还包括以下步骤：4)对于相邻视频摄像机监控范围之间的监控盲区，设定工作人员在所述监控盲区内的移动为匀速运动，根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
- 根据权利要求2所述的核电厂辐射剂量分布的测量方法，其特征在于，根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在监控盲区中所在位置之间的对应关系的方式为：在监控盲区中设定多个位置点，根据所述工作人员进出所述监控盲区的时 间，由数据处理系统计算所述工作人员在监控盲区中经过每一位置点的具体时间点，以所述工作人员携带的移动式剂量测量装置在所述具体时间点测得的辐射剂量作为对应位置点的辐射剂量；或按照相同时间间隔对所述工作人员进出所述监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时所述工作人员在监控盲区中所处的位置点，将所述工作人员携带的移动式剂量测量装置在所述每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
- 根据权利要求1所述的核电厂辐射剂量分布的测量方法，其特征在于，所述步骤2)中，截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，当工作人员经过任一测量点时，摄像机即截取当时的视频图像；数据处理系统对所述工作人员进行身份确认，同时记录所述工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对所述工作人员进行身份确认，并将截取视频图像时所述工作人员所在测量点的坐标作为其所在位置；所述身份识别标志是设置在工作人员的头盔或者衣服上的、具有唯一性的一串文字、字母、数字、二维码或条形码。
- 根据权利要求1所述的核电厂辐射剂量分布的测量方法，其特征在于，每一移动式剂量测量装置均分配有唯一的ID，且每一移动式剂量测量装置与唯一一位工作人员相关联；步骤3)中根据所述工作人员身份确定其携带的移动式剂量测量装置的方式为：查找与所述工作人员相关联的移动式剂量测量装置的ID，与所述ID对应的移动式剂量测量装置即为所述工作人员携带的移动式剂量测量装置。
- 根据权利要求1至5中任一项所述的核电厂辐射剂量分布的测量方法，其特征在于，所述视频监控系统和所述无线通信系统采用同一时间基准信号， 以确保二者在时间上保持同步。
- 根据权利要求1至5中任一项所述的核电厂辐射剂量分布的测量方法，其特征在于，如果对核电厂辐射剂量分布地图上的某一位置进行辐射剂量标记时，发现所述位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
- 一种核电厂辐射剂量分布的测量系统，其特征在于，包括；移动式剂量测量装置，装有无线传输模块，用于测量所在位置的辐射剂量并通过无线通信系统对测得的辐射剂量进行实时传送；无线通信系统，覆盖全部待测量区域，用于将移动式剂量测量装置测得的辐射剂量传送给数据处理系统；视频监控系统，包括多台设置在待测量区域内的视频摄像机，用于当携带移动式剂量测量装置的工作人员进入视频摄像机监控范围内时，截取视频图像并将视频图像与截取时间一起传送给数据处理系统；数据处理系统，用于接收无线通信系统实时传送的辐射剂量以及视频监控系统传送的视频图像，并根据接收到的视频图像对所述工作人员进行身份确认，同时记录所述工作人员所在位置；还用于根据所述工作人员身份确定其携带的移动式剂量测量装置，以视频图像截取时间时所述工作人员携带的移动式剂量测量装置测得的辐射剂量，作为所述工作人员所在位置的辐射剂量标记在核电厂辐射剂量分布地图上。
- 根据权利要求8所述的核电厂辐射剂量分布的测量系统，其特征在于，所述数据处理系统还用于设定工作人员在相邻视频摄像机监控范围之间的监控盲区内的移动为匀速运动，根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系，并标记在核电厂辐射剂量分布地图上。
- 根据权利要求9所述的核电厂辐射剂量分布的测量系统，其特征在于， 所述数据处理系统根据所述工作人员进出所述监控盲区的时间，计算所述工作人员携带的移动式剂量测量装置测得的辐射剂量与所述工作人员在所述监控盲区中所在位置之间的对应关系的方式为：在监控盲区中设定多个位置点，根据所述工作人员进出所述监控盲区的时间，由数据处理系统计算所述工作人员在监控盲区中经过每一位置点的具体时间点，以所述工作人员携带的移动式剂量测量装置在所述具体时间点测得的辐射剂量作为对应位置点的辐射剂量；或按照相同时间间隔对所述工作人员进出所述监控盲区的时间段进行划分，得到多个具体时间点，由数据处理系统计算出每一具体时间点时所述工作人员在监控盲区中所处的位置点，将所述工作人员携带的移动式剂量测量装置在所述每一具体时间点测得的辐射剂量作为对应位置点的辐射剂量。
- 根据权利要求8所述的核电厂辐射剂量分布的测量系统，其特征在于，所述数据处理系统截取视频图像的方式为：在每台视频摄像机的视频图像中标识出多个测量点，当工作人员经过任一测量点时，摄像机即截取当时的视频图像；所述数据处理系统根据接收到的视频图像对所述工作人员进行身份确认，同时记录所述工作人员所在位置的方式为：数据处理系统通过人脸识别或身份识别标志对视频图像中的工作人员进行身份确认，并将截取视频图像时所述工作人员所在测量点的坐标作为其所在位置；所述身份识别标志是设置在工作人员的头盔或者衣服上的、具有唯一性的一串文字、字母、数字、二维码或条形码。
- 根据权利要求8所述的核电厂辐射剂量分布的测量系统，其特征在于，每一移动式剂量测量装置均分配有唯一的ID，且每一移动式剂量测量装置与唯一一位工作人员相关联；所述数据处理系统根据所述工作人员身份确定其携带的移动式剂量测量装 置的方式为：查找与所述工作人员相关联的移动式剂量测量装置的ID，与所述ID对应的移动式剂量测量装置即为所述工作人员携带的移动式剂量测量装置。
- 根据权利要求8至12中任一项所述的核电厂辐射剂量分布的测量系统，其特征在于，所述视频监控系统和所述无线通信系统采用同一时间基准信号，以确保二者在时间上保持同步。
- 根据权利要求8至12中任一项所述的核电厂辐射剂量分布的测量系统，其特征在于，如果数据处理系统对核电厂辐射剂量分布地图上的某一位置进行辐射剂量标记时，发现所述位置已经标记过辐射剂量，则以新的辐射剂量对旧的辐射剂量进行更新。
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