A reactor fuel pool in initial load detector mounting device
By using mounting brackets, moving rails, laser rangefinders, and control systems within the reactor fuel pool, the problem of inaccurate detector positioning in complex environments was solved, enabling high-precision detector installation and real-time position adjustment, thus ensuring the safety of the fuel loading process.
Patent Information
- Application Number
- CN202411659821.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2044-11-19
AI Technical Summary
When existing initial loading detectors are installed in the reactor fuel pool, they are difficult to accurately locate and adapt to complex environments, resulting in inaccurate measurement results and an inability to effectively prevent critical and supercritical accidents.
By employing mounting brackets, moving guide rails, laser rangefinders, cable winding and unwinding devices, and control systems, combined with drive motors and AI intelligent modules, the detector's real-time position monitoring and automatic adjustment are achieved, ensuring measurement accuracy and precise positioning.
It achieves high-precision installation and real-time position monitoring of the detector, enabling accurate adjustment of the detector position in complex environments, avoiding accidents, and improving the safety and accuracy of the loading process.
Smart Images
Figure CN119724650B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of radiation detection, in particular to a primary charging detector installation device in a reactor fuel pool. BACKGROUND
[0002] The main function of the primary charging detection system of the nuclear power plant is to monitor the neutron flux and changes in the core during the first charging of the reactor. Since the assembly releases fewer neutrons during the charging process, and the out-of-pile nuclear measurement system source range channel is a certain distance from the core, in order to more accurately reflect the state of the core, temporary detectors need to be given in the core to ensure that the reactor does not occur critical and supercritical accidents during the charging process, and to ensure the safety of the reactor primary charging.
[0003] Therefore, it is particularly important to ensure that the measurement section of the primary charging detector is highly consistent with the secondary source position and to achieve precise positioning of the probe in the longitudinal direction. In the prior art, when installing the primary charging detector, manual adjustment and position measurement are generally used, and the measurement results are not accurate, which cannot adapt to the complex installation environment on site. SUMMARY
[0004] The present application provides a primary charging detector installation device in a reactor fuel pool, which can monitor the position information of the detector in real time and facilitate the installation and placement of the detector.
[0005] In order to achieve the above purpose, the present application provides a primary charging detector installation device in a reactor fuel pool, which comprises a mounting bracket, a moving guide rail, a laser range finder, a cable winding and unwinding device, and a control box, wherein: the mounting bracket is arranged at the edge of the reactor fuel pool and comprises a horizontal mounting bracket and a vertical mounting bracket; the moving guide rail comprises a first moving guide rail and a second moving guide rail, the first moving guide rail is fixed on the horizontal mounting bracket, and the second moving guide rail is arranged on the first moving guide rail and can move as a whole on the first moving guide rail; the laser range finder is arranged on the second moving guide rail and can move on the second moving guide rail; the cable winding and unwinding device is arranged on the vertical mounting bracket and connected with the detector through a cable below; the control box is fixed on the mounting bracket and electrically connected with the laser range finder and the cable winding and unwinding device.
[0006] Further, the first moving guide rail is provided with a first driving motor for driving the second moving guide rail to move in the vertical direction on the first moving guide rail; the second moving guide rail is provided with a second driving motor for driving the laser range finder to move in the horizontal direction on the second moving guide rail.
[0007] Further, the control system is connected with the control box.
[0008] Further, the measurement accuracy of the laser range finder is ±1mm, and the measurement frequency is 1Hz.
[0009] Further, the material of the mounting bracket is aluminum alloy.
[0010] Further, the control box is in a sealed structure as a whole, and the working temperature range is-10℃-50℃.
[0011] Further, the control box is in a sealed structure as a whole, and the working temperature range is-10℃-50℃.
[0012] Further, the control system comprises an AI intelligent module, a central processing module and a display module, wherein: the central processing module is electrically connected with the AI intelligent module and the control management module, respectively, for processing the position information of the detector and adjusting the position thereof; the AI intelligent module is electrically connected with the control management module, for intelligently identifying the positioning information of the detector; and the display module is electrically connected with the central processing module, for displaying the position information and adjustment information of the detector.
[0013] The application provides a reactor fuel pool in primary loading detector mounting device, which has the following
[0014] Advantages:
[0015] The application has the advantages of simple structure, rapid installation and removal, accurate determination of the vertical position of the primary loading detector, high and continuous measurement accuracy, automatic adjustment of the installation position of the detector, accurate positioning, and convenient real-time monitoring of the position of the detector. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and to make the other features, objectives, and advantages of the present application more apparent. The illustrative embodiments of the present application as set forth in the accompanying drawings and their description are intended to explain the present application, and do not constitute an improper limitation of the present application. In the drawings:
[0017] Figure 1 is a schematic view of a reactor fuel pool in primary loading detector mounting device provided by the embodiments of the present application;
[0018] In the figure: 1-horizontal mounting bracket, 2-vertical mounting bracket, 3-first moving guide rail, 4-second moving guide rail, 5-laser range finder, 6-cable winding and unwinding device, 7-control box, 8-first driving motor, 9-second driving motor, 10-control system. DETAILED DESCRIPTION
[0019] In order to enable persons skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative labor should belong to the protection scope of the present application.
[0020] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0021] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0022] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For persons skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.
[0023] In addition, the meaning of the term "a plurality of" should be two and more than two.
[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0025] As shown in Figure 1 The present application provides a reactor fuel pool in primary loading probe installation device, which comprises a mounting bracket, a moving guide rail, a laser range finder 5, a cable winding and unwinding device 6 and a control box 7, wherein: the mounting bracket is arranged at the edge of the reactor fuel pool and comprises a horizontal mounting bracket 1 and a vertical mounting bracket 2; the moving guide rail comprises a first moving guide rail 3 and a second moving guide rail 4, the first moving guide rail 3 is fixed on the horizontal mounting bracket 1, and the second moving guide rail 4 is arranged on the first moving guide rail 3 and can move on the first moving guide rail 3 as a whole; the laser range finder 5 is arranged on the second moving guide rail 4 and can move on the second moving guide rail 4; the cable winding and unwinding device 6 is arranged on the vertical mounting bracket 2 and connected with the probe through a cable below; and the control box 7 is fixed on the mounting bracket and electrically connected with the laser range finder 5 and the cable winding and unwinding device 6 respectively.
[0026] Specifically, the reactor fuel pool in primary loading probe installation device provided by the embodiments of the present application is mainly used for determining the position of the primary loading probe, and can automatically adjust the position of the probe according to the actual detection situation. The mounting seat bracket plays a role of fixing and supporting and is arranged at the edge of the reactor fuel pool as a whole, the horizontal mounting bracket 1 is used for fixing the moving guide rail, and the vertical mounting bracket 2 is used for fixing the cable winding and unwinding device 6 and the control box 7; the moving guide rail is fixed on the horizontal mounting bracket 1 by screws and can be quickly installed and disassembled; the laser range finder 5 is used for continuous measurement and real-time provision of probe depth position information; during detection, the laser range finder 5 emits laser light, the distance of the laser range finder 5 in the horizontal and vertical directions is adjusted through the moving guide rail, and when the emitted laser light hits the probe, it is reflected, and the real-time vertical height information of the probe can be obtained according to the reflected light; the cable winding and unwinding device 6 is connected with the primary loading probe below and can move the probe up and down, so as to realize control of the distance of the probe in the vertical direction; and the control box 7 is used for power supply to each mechanism and control of the moving position of the laser range finder 5 and the extension and retraction length of the cable of the cable winding and unwinding device 6.
[0027] Further, the first moving guide rail 3 is provided with a first driving motor 8 for driving the second moving guide rail 4 to move in the vertical direction on the first moving guide rail 3; the second moving guide rail 4 is provided with a second driving motor 9 for driving the laser range finder 5 to move in the horizontal direction on the second moving guide rail 4. The first driving motor 8 can drive the second moving guide rail 4 to move in the Y-axis direction on the first moving guide rail 3; the second driving motor 9 can drive the laser range finder 5 to move in the X-axis direction on the second moving guide rail 4; thus, the laser range finder 5 can move left and right in the horizontal direction and up and down in the vertical direction, and the moving precision can reach 1mm.
[0028] Further, the control system 10 is connected with the control box 7. The control system 10 is used for processing the position information of the detector, adjusting the position of the detector in real time according to the position information, and displaying the position information and adjustment information of the detector.
[0029] Further, the measurement precision of the laser range finder 5 is ±1mm, and the measurement frequency is 1Hz. The laser range finder 5 can continuously measure, display and record the distance information with the frequency of 1Hz, the measurement precision reaches ±1mm, and the installation precision of the existing initial charging detector is greatly improved.
[0030] Further, the material of the mounting bracket is aluminum alloy, which is light in weight, high in strength, convenient to disassemble, and can adapt to the complex and narrow environment of the nuclear power site and be conveniently transported during use.
[0031] Further, the control box 7 adopts a sealed structure as a whole, and the working temperature range is-10℃-50℃, which can adapt to the temperature and humidity environment of the nuclear power site.
[0032] Further, the control box 7 is provided with a power module and a control management module inside, wherein: the power module is electrically connected with the first driving motor 8, the second driving motor 9, the laser range finder 5 and the cable winding and unwinding device 6 respectively for power supply; the control management module is electrically connected with the first driving motor 8 and the second driving motor 9 respectively for controlling the moving position and distance of the laser range finder 5; the control management module is electrically connected with the laser range finder 5 for receiving the position information detected by the laser range finder 5; and the control management module is also electrically connected with the cable winding and unwinding device 6 for controlling and adjusting the position of the detector.
[0033] Further, the control system 10 comprises an AI intelligent module, a central processing module and a display module, wherein: the central processing module is electrically connected with the AI intelligent module and the control management module respectively, for processing the position information of the detector and adjusting the position thereof; the AI intelligent module is electrically connected with the control management module, for intelligently identifying the positioning information of the detector; and the display module is electrically connected with the central processing module, for displaying the position information and adjustment information of the detector.
[0034] Specifically, when the initial charging detector detects the installation, first, the detector is placed into the reactor fuel pool through the cable winding and unwinding device 6; then, the first driving motor 8 and the second driving motor 9 are controlled to operate by the control management module, so that the laser range finder 5 moves on the moving guide rail to detect and measure the position of the detector below; then, the control management module receives the reflected light information and uploads it to the AI intelligent module and the central processing module respectively, the central processing module determines the specific position of the detector according to the information of the reflected light and the positioning result of the AI intelligent module, and displays the position through the display module; finally, according to the actual detection condition, the position of the detector in the reactor fuel pool is adjusted by the control management module controlling the cable winding and unwinding device 6, and the position information of the detector is monitored and displayed again through the laser range finder 5, so that the real-time monitoring and real-time adjustment of the position of the detector in the reactor fuel pool are realized, and the accurate positioning of the position of the detector is ensured.
[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for installing an initial fuel loading detector in a reactor fuel pool, characterized in that, Includes mounting brackets, moving guide rails, laser rangefinder, cable retraction device, and control box, among which: The mounting brackets are located at the edge of the reactor fuel pool and include horizontal mounting brackets and vertical mounting brackets; The movable guide rail includes a first movable guide rail and a second movable guide rail. The first movable guide rail is fixed on the horizontal mounting bracket, and the second movable guide rail is disposed on the first movable guide rail. The second movable guide rail as a whole can move on the first movable guide rail. The laser rangefinder is mounted on the second moving guide rail and is able to move on the second moving guide rail; The cable retraction device is mounted on the vertical mounting bracket and is connected to the detector below via a cable; The control box is fixed on the mounting bracket and is electrically connected to the laser rangefinder and the cable retraction device, respectively. A first drive motor is provided on the first moving guide rail for driving the second moving guide rail to move vertically on the first moving guide rail; a second drive motor is provided on the second moving guide rail for driving the laser rangefinder to move horizontally on the second moving guide rail. The control box contains a power module and a control management module, wherein: The power module is electrically connected to the first drive motor, the second drive motor, the laser rangefinder, and the cable winding and unwinding device, respectively, and is used to supply power. The control and management module is electrically connected to the first drive motor and the second drive motor respectively, and is used to control the movement position and distance of the laser rangefinder; The control and management module is electrically connected to the laser rangefinder and is used to receive the position information detected by the laser rangefinder. The control and management module is also electrically connected to the cable retraction device and is used to control and adjust the position of the detector.
2. The device for installing an initial fuel loading detector in a reactor fuel pool according to claim 1, characterized in that, It also includes a control system, which is connected to the control box.
3. The device for installing the initial fuel loading detector in the reactor fuel pool according to claim 2, characterized in that, The laser rangefinder has a measurement accuracy of ±1mm and a measurement frequency of 1Hz.
4. The device for installing the initial fuel loading detector in the reactor fuel pool according to claim 3, characterized in that, The mounting bracket is made of aluminum alloy.
5. The device for installing an initial fuel loading detector in a reactor fuel pool according to claim 4, characterized in that, The control box adopts a sealed structure and has an operating temperature range of -10℃ to 50℃.
6. The device for installing an initial fuel loading detector in a reactor fuel pool according to claim 5, characterized in that, The control system includes an AI intelligent module, a central processing module, and a display module, wherein: The central processing module is electrically connected to the AI intelligent module and the control and management module respectively, and is used to process the detector's position information and adjust its position; The AI intelligent module is electrically connected to the control and management module and is used to intelligently identify the location information of the detector; The display module is electrically connected to the central processing module and is used to display the detector's position information and adjustment information.
Citation Information
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