Nuclear power station remote underwater non-contact measuring device

Abstract

The utility model provides a remote underwater non-contact measuring device for a nuclear power station. The remote underwater non-contact measuring device comprises a measuring mechanism, the measuring mechanism comprises a main body assembly and a positioning assembly. The positioning assembly is arranged at the end part of the main body assembly; the positioning assembly is used for positioning the main body assembly to the surface of an object to be detected; the main body assembly comprises a laser part and a camera part which are arranged on the inner side of the positioning assembly, the laser part and the camera part are arranged at an interval, a laser beam emitted by the laser part is perpendicular to the surface of the object to be measured to form a laser image, and the camera part captures the laser image at a preset angle. Through the main body assembly and the positioning assembly, the main body assembly comprises the laser part and the camera part, and the positioning assembly, the laser part and the camera part are matched, so that the surface of the object to be measured is measured in the remote underwater environment of the nuclear power station. The risk that personnel and equipment are in direct contact with severe environments such as high radiation and deep water areas is avoided, and the measurement precision and efficiency are greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nuclear power plant monitoring and maintenance, and particularly relates to a nuclear power plant remote underwater non-contact measuring device. BACKGROUND

[0002] A nuclear power unit has a significant difference in the design of in-core components compared with traditional units, especially the heavy reflector layer design unique to EPR units, which becomes an important part of the lower in-core components. However, when the surface of the in-core component heavy reflector layer is marked by foreign matter friction, although most of the mark data can be obtained by observing the mark features through underwater television, the limitations of underwater television make it impossible to obtain the three-dimensional depth information of the mark. The traditional mode of topography is difficult to implement in such a high radiation dose and underwater depth environment, not only almost impossible to implement, but also with great inaccuracy and foreign matter falling risk, so the accurate evaluation of the mark becomes very difficult. CONTENT OF THE UTILITY MODEL

[0003] The nuclear power plant remote underwater non-contact measuring device can realize fast and accurate measurement of the marks of underwater equipment of the nuclear power plant, and provides strong support for the safe operation and maintenance of the nuclear power plant.

[0004] The technical scheme adopted by the present application to solve the technical problems is:

[0005] In an embodiment, a nuclear power plant remote underwater non-contact measuring device is provided, comprising a measuring mechanism;

[0006] The measuring mechanism comprises a main body assembly and a positioning assembly;

[0007] The positioning assembly is arranged at the end of the main body assembly and is used to position the main body assembly to the surface of the object to be measured;

[0008] The main body assembly comprises a laser piece and a camera piece arranged inside the positioning assembly, the laser piece and the camera piece are arranged at intervals, and the laser beam emitted by the laser piece forms a laser image perpendicular to the surface of the object to be measured, and the camera piece captures the laser image at a preset angle.

[0009] In an embodiment, the positioning assembly comprises a first positioning piece and a second positioning piece;

[0010] The first positioning piece is arranged at the top end, and the second positioning piece is arranged at the bottom end.

[0011] In an embodiment, the nuclear power plant remote underwater non-contact measuring device further comprises a boom assembly;

[0012] The boom assembly is arranged outside the first positioning piece and is used to place the measuring mechanism to the position of the object to be measured.

[0013] In one embodiment, the boom assembly comprises a telescopic member and a float;

[0014] One end of the telescopic member is connected to an external fixed device, and the other end is connected to the measuring mechanism;

[0015] The float is arranged on the telescopic member to provide buoyancy for the measuring mechanism.

[0016] In one embodiment, the measuring mechanism comprises a base for accommodating the main body assembly; the base is provided with baffles at both ends for fixing the main body assembly;

[0017] The main body assembly is provided with a first extension with a fixing bolt at both sides, and the base is provided with a first fixing hole matched with the fixing bolt at both sides;

[0018] The base comprises a fixing part provided with a fixing bolt, and the baffles are respectively provided with a second fixing hole matched with the fixing bolt at both sides.

[0019] In one embodiment, the positioning assembly is triangular; the base of the positioning assembly is connected to the end of the main body assembly; and the corresponding vertex of the base of the positioning assembly is in contact with the object to be measured.

[0020] In one embodiment, the positioning assembly is made of flexible material.

[0021] In one embodiment, the length of the positioning assembly is 265mm.

[0022] In one embodiment, the laser member comprises a laser scanner, and the camera member comprises an underwater camera.

[0023] In one embodiment, the distance between the laser member and the camera member is 207mm.

[0024] The implementation of this application has the following beneficial effects: This utility model provides a remote underwater non-contact measurement device for nuclear power plants, including a measurement mechanism; the measurement mechanism includes a main component and a positioning component; the positioning component is disposed at the end of the main component; it is used to position the main component on the surface of the object to be measured; the main component includes a laser element and a camera element disposed inside the positioning component, the laser element and the camera element are spaced apart, and the laser beam emitted by the laser element is perpendicular to the surface of the object to be measured to form a laser image, and the camera element captures the laser image at a preset angle. This utility model, through the main component and the positioning component, the main component including the laser element and the camera element, and the cooperation of the positioning component, the laser element and the camera element, realizes the measurement of the surface of the object to be measured in a remote underwater environment of a nuclear power plant. This not only avoids the risk of personnel and equipment directly contacting harsh environments such as high radiation and deep water, but also greatly improves the accuracy and efficiency of the measurement. Attached Figure Description

[0025] The present application will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the structure of a remote underwater non-contact measurement device for a nuclear power plant, as described in one embodiment.

[0027] Figure 2 This is an exploded view of an embodiment of a remote underwater non-contact measurement device for a nuclear power plant.

[0028] The component numbers are as follows:

[0029] 1-Measuring device,

[0030] 10-Measuring mechanism; 11-Main body assembly; 111-Laser component; 112-Camera component; 113-First extension; 12-Positioning assembly; 121-First positioning component; 122-Second positioning component; 13-Base; 131-Baffle; 132-First fixing hole; 133-Fixing part Detailed Implementation

[0031] The application will be described in further detail below with specific reference being made to the drawings. Like elements in different embodiments are denoted by like reference numerals. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the application. However, it will be apparent to one skilled in the art that the specific features described can not be felt to be critical in every case, and that some features who can be omitted or substituted in various situations, or can be replaced by other elements, materials, methods. In some cases, some operations related to the application are not shown or described in the specification, in order to avoid the core of the application being overwhelmed by too much description, and it is not necessary for those skilled in the art to fully understand the related operations according to the description in the specification and the general technical knowledge in the art.

[0032] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be sequentially adjusted or adjusted in a manner that can be easily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of clearly describing a certain embodiment, and do not mean that the sequence is necessary, unless otherwise stated that a certain sequence must be followed.

[0033] The serial numbers of the components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. Unless otherwise specified, the "connection" and "coupling" in this application include direct and indirect connection and coupling.

[0034] Compared with the prior art, the traditional nuclear power plant underwater measurement has high risk and low precision. The utility model discloses a main component 11 and positioning assembly 12, the main component 11 includes laser piece 111 and camera piece 112, the cooperation of positioning assembly 12, laser piece 111 and camera piece 112 realizes the measurement of the surface of the measured object in the remote underwater environment of nuclear power plant. Not only avoid the risk of direct contact of personnel and equipment with high radiation, deep water and other harsh environments, but also greatly improve the measurement accuracy and efficiency.

[0035] Please refer to Figure 1 In one embodiment, a nuclear power plant remote underwater non-contact measurement device 1 is provided, comprising a measurement mechanism 10;

[0036] The measurement mechanism 10 comprises a main component 11 and a positioning assembly 12;

[0037] The positioning assembly 12 is arranged at the end of the main component 11; for positioning the main component 11 to the surface of the measured object;

[0038] The main body assembly 11 includes a laser component 111 and a camera component 112 arranged inside the positioning assembly 12, and the laser component 111 and the camera component 112 are arranged at intervals, and the laser beam emitted by the laser component 111 forms a laser image vertically on the surface of the object to be measured, and the camera component 112 captures the laser image at a preset angle.

[0039] It should be noted that the main body assembly 11 of the measuring mechanism 10 includes the laser component 111 and the camera component 112, which are arranged at intervals, wherein the positions of the laser component 111 and the camera component 112 are arbitrary, but need to be kept at intervals to ensure that the laser beam can be projected vertically to the surface of the object to be measured to form a clear laser image. The camera component 112 accurately captures these images at a preset angle, laying the foundation for subsequent data processing and analysis. Such a layout design makes the laser component 111, the camera component 112, and the laser projection point or line on the surface of the object to be measured approximately form a triangular relationship in space.

[0040] In addition, the positioning assembly 12 is stably mounted at one end of the main body assembly 11 and is designed for accurate positioning of the measuring device 1 to the surface of the object to be measured, especially considering the particularity of the underwater working environment, and has good sealing and stability performance, ensuring that the measuring position can still be accurately maintained under complex conditions.

[0041] The laser component 111 and the camera component 112 work cooperatively, the laser beam forms characteristic marks on the surface of the object through a special optical path, and the camera component 112 captures these marks in real time and converts them into digital signals. As an option, the measuring mechanism 10 can include a data processing unit and an output unit, which further analyzes and calculates these digital signals through the data processing unit to obtain accurate measurement results, and then displays or stores these results through the output unit; or the measuring mechanism 10 can also choose to directly display or transmit these original digital signals through the output unit for subsequent processing by other systems. As an illustration, the preset angle can be 45 degrees, or 30 degrees, 60 degrees, 75 degrees, etc. Depending on the actual application scenario.

[0042] As an option, the camera assembly adopts an adjustable angle structure, aiming to flexibly adapt to the different needs of the positioning and measuring stages. During positioning, the operator can accurately determine the required height by observing the images captured by the camera assembly, and verify whether the laser line has been accurately projected to that height. Alternatively, the measuring mechanism 10 includes a separate environmental detection camera, which is responsible for capturing high-definition images of the surrounding environment during positioning, providing the operator with a comprehensive field of view to assist in determining the relative position relationship between the measuring device 1 and the object to be measured, ensuring the accuracy and safety of the positioning process.

[0043] Further, the positioning assembly 12 includes a first positioning component 121 and a second positioning component 122;

[0044] The first positioning member 121 is arranged at the top end, and the second positioning member 122 is arranged at the bottom end.

[0045] Please refer to Figure 2 Further, the nuclear power plant remote underwater non-contact measurement device 1 further comprises a boom assembly.

[0046] The boom assembly is arranged outside the first positioning member 121, and is used to place the measurement mechanism 10 to the position of the object to be measured.

[0047] It should be noted that the boom assembly connects the external operation platform and the measurement device 1, and is installed outside the first positioning member 121, which not only provides support, but also flexibly delivers the measurement mechanism 10 to the position of the object to be measured through its telescopic and rotating functions, especially suitable for target areas with limited space or difficult to reach.

[0048] Further, the boom assembly comprises a telescopic member and a float;

[0049] One end of the telescopic member is connected to the external fixed equipment, and the other end is connected to the measurement mechanism 10;

[0050] The float is arranged on the telescopic member and is used to provide buoyancy for the measurement mechanism 10.

[0051] It should be noted that the boom assembly is a key component for connecting the external fixed equipment and the measurement device 1, and the boom assembly is composed of a telescopic member and a float. One end of the telescopic member is connected to the external fixed equipment, and the other end is connected to the measurement mechanism 10. Through the telescopic function, the position of the measurement mechanism 10 can be flexibly adjusted, so that it can reach the vicinity of the object to be measured. The float is installed on the telescopic member, which provides additional buoyancy support for the entire measurement system, reduces the resistance problem caused by its own weight during underwater operation, and makes the measurement mechanism 10 more stable in water. Suspended or moved, thereby improving the flexibility and precision of operation.

[0052] Further, the measurement mechanism 10 comprises a base 13 accommodating a main body assembly 11; the base 13 is provided with a baffle plate 131 at both ends for fixing the main body assembly 11;

[0053] The main body assembly 11 is provided with a first extension 113 with a fixing screw on both sides, and the base 13 is provided with a first fixing hole 132 matched with the fixing screw on both sides.

[0054] The base 13 comprises a fixing portion 133 provided with a fixing screw, and the baffle plate 131 is provided with a second fixing hole matched with the fixing screw on both sides.

[0055] It should be noted that the measuring mechanism 10 includes a base 13 for accommodating the main body assembly 11, and baffles 131 fixed at both ends of the base 13 to ensure that the main body assembly 11 does not displace during use. The base 13 and the baffles 131 together provide a stable support environment for the main body assembly 11. The main body assembly 11 is located in the base 13 and is connected to the base 13 through the first fixed holes 132 on the two sides of the first extension 113 and the fixed bolts on the two sides of the first fixed holes 132, realizing the stable connection between the main body assembly 11 and the base 13. The design of the first extension 113 and the first fixed hole 132 ensures that the main body assembly 11 can be firmly installed on the base 13, while facilitating disassembly and maintenance. In addition to providing physical support, the base 13 also contains a fixed part 133 with fixed bolts to enhance the stability of the overall structure. The second fixed holes on both sides of the baffles 131 match the fixed bolts of the fixed part 133, so that the baffles 131 can be fastened to the base 13 through bolts, further strengthening the structural integrity of the entire system. This multi-point fixing strategy not only improves the anti-vibration ability, but also increases the adaptability of the equipment under complex conditions.

[0056] Further, the positioning assembly 12 is triangular; the bottom edge of the positioning assembly 12 is connected to the end of the main body assembly 11; and the corresponding vertex of the bottom edge of the positioning assembly 12 is in contact with the object to be measured.

[0057] It should be noted that the boom assembly: as a key component connecting the external fixed equipment and the measuring device 1, the boom assembly is composed of a telescopic part and a float. One end of the telescopic part is connected to the external fixed equipment, and the other end is connected to the measuring mechanism 10. Through its telescopic function, the position of the measuring mechanism 10 can be flexibly adjusted, so that it can reach the vicinity of the object to be measured. The float is installed on the telescopic part, which provides additional buoyancy support for the entire measuring system, reducing the resistance problem caused by its own weight during underwater operation, so that the measuring mechanism 10 can be more stably suspended or moved in water, thereby improving the flexibility and precision of operation.

[0058] Further, the positioning assembly 12 is made of flexible material.

[0059] Further, the positioning assembly 12 is 265 mm long.

[0060] It should be noted that the flexible material is used to manufacture the positioning assembly 12, which is 265 mm long. The choice of this flexible material gives the positioning assembly 12 greater adaptability and flexibility, allowing it to better conform to the surface of different shapes of objects to be measured while maintaining structural strength, thereby ensuring accurate positioning during measurement.

[0061] Further, the laser part 111 includes a laser scanner, and the camera part 112 includes an underwater camera.

[0062] Further, the laser piece 111 is 207mm away from the camera piece 112.

[0063] It should be noted that the measuring mechanism 10 is composed of a laser piece 111 and a camera piece 112. The laser piece 111 is a high-precision laser scanner used to project a laser line to determine the specific position of the target object; the camera piece 112 is a specially designed underwater camera responsible for capturing image information. It is worth noting that the distance between the laser scanner and the underwater camera is set to 207mm, and such a layout optimizes the efficiency of their collaborative work, ensuring that the data obtained is accurate and comprehensive, which helps subsequent analysis and processing.

[0064] The utility model discloses a main body assembly 11 and positioning assembly 12, and the main body assembly 11 includes laser piece 111 and camera piece 112, and the cooperation of positioning assembly 12, laser piece 111 and camera piece 112 realizes the surface of the object to be measured in the remote underwater environment of nuclear power station is measured. Not only avoid the risk that personnel and equipment directly contact high radiation, deep water area and so on bad environment, also greatly improve the precision and efficiency of measurement.

[0065] The above application uses specific examples to illustrate the present application, which is only used to help understand the present application and does not limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, a number of simple deductions, deformations or substitutions can be made.

Claims

1. A nuclear power plant remote underwater non-contact measuring device, characterized in that, The measuring mechanism (10) comprises a main body assembly (11) and a positioning assembly (12); The positioning assembly (12) is arranged at the end of the main body assembly (11); and the main body assembly (11) is positioned on the surface of the object to be measured. The main body assembly (11) comprises a laser component (111) and a camera component (112) arranged inside the positioning assembly (12); the laser component (111) and the camera component (112) are arranged at intervals, and the laser beam emitted by the laser component (111) forms a laser image perpendicular to the surface of the object to be measured; and the camera component (112) captures the laser image at a preset angle. The positioning assembly (12) comprises a first positioning component (121) and a second positioning component (122).

2. The remotely underwater non-contact measuring device for nuclear power plants according to claim 1, characterized in that, The first positioning component (121) is arranged at the top end, and the second positioning component (122) is arranged at the bottom end. The nuclear power plant remote underwater non-contact measuring device further comprises a boom assembly.

3. The remotely underwater non-contact measuring device for nuclear power plants according to claim 2, characterized in that, The boom assembly is arranged outside the first positioning component (121) and is used to place the measuring mechanism (10) at the position of the object to be measured. The boom assembly comprises a telescopic component and a float.

4. The remotely underwater non-contact measuring device for nuclear power plants according to claim 3, characterized in that, One end of the telescopic component is connected to an external fixed device, and the other end is connected to the measuring mechanism (10). The float is arranged on the telescopic component and is used to provide buoyancy for the measuring mechanism (10). The measuring mechanism (10) comprises a base (13) accommodating the main body assembly (11); and the base (13) is provided with a baffle (131) at both ends for fixing the main body assembly (11).

5. The nuclear power plant remote underwater non-contact measurement apparatus of claim 1, wherein, The main body assembly (11) is provided with a first extension (113) with a fixing bolt at both sides, and the base (13) is provided with a first fixing hole (132) matched with the fixing bolt at both sides. The base (13) comprises a fixing portion (133) provided with a fixing bolt, and the baffle (131) is provided with a second fixing hole at both sides matched with the fixing bolt. The positioning assembly is triangular; the bottom side of the positioning assembly is connected to the end of the main body assembly (11); and the corresponding vertex of the bottom side of the positioning assembly is in contact with the object to be measured.

6. The remotely underwater non-contacting measuring device for nuclear power plants of claim 1, characterized in that, The positioning assembly (12) is made of flexible material.

7. The nuclear power plant remote underwater non-contact measurement apparatus of claim 1, wherein, The length of the positioning assembly (12) is 265 mm.

8. The nuclear power plant remote underwater non-contact measurement apparatus of claim 1, wherein, The laser component (111) comprises a laser scanner, and the camera component (112) comprises an underwater camera.

9. The nuclear power plant remote underwater non-contact measurement apparatus of claim 1, wherein, The distance between the laser component (111) and the camera component (112) is 207 mm.

10. The nuclear power plant remote underwater non-contact measurement apparatus of claim 1, wherein, ​

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