Detection mechanism, detection device and detection system
By incorporating multiple imaging and rotating components within the inspection mechanism, and integrating the camera with a supplementary light, the problem of the inability to clearly image the gap at the center of the fuel assembly in existing technologies has been solved, resulting in a more efficient inspection effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA GENERAL NUCLEAR POWER OPERATION
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-31
AI Technical Summary
Existing testing agencies are unable to clearly photograph the gaps between fuel rods at the center of nuclear power plant fuel assemblies, resulting in insufficient testing capabilities.
Design an inspection mechanism including multiple imaging components surrounding the outer periphery of the workpiece to be inspected. Through the cooperation of rotating components and driving components, the camera and the supplementary light are integrated. The camera shoots the gap at the center through the gap of the fuel rods, and the supplementary light provides a clear light source.
It improves the clarity and accuracy of fuel assembly inspection, enhances inspection capabilities, and ensures clear imaging of gaps in the center.
Smart Images
Figure CN122487362A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of testing equipment technology, and in particular to a testing organization, testing device and testing system. Background Technology
[0002] During the operation of a nuclear power plant, the irradiated fuel assemblies need to be inspected periodically. A nuclear power plant's fuel assemblies consist of multiple spaced fuel rods. Related technologies use inspection equipment equipped with cameras to photograph the gaps between the fuel rods in the fuel assemblies, allowing workers to determine if there are any foreign objects. However, existing inspection cameras can only capture images of the gaps between the fuel rods on the periphery of the fuel assembly, making it difficult to photograph the gaps between the fuel rods at the center of the assembly.
[0003] To address the aforementioned issues, related technologies involve arranging multiple illumination lamps around the circumference of the fuel assembly. Each lamp emits light towards the fuel assembly to illuminate the gap between the fuel rods at its center. However, only a small portion of the light emitted by the lamps penetrates the gap between the fuel rods at the center of the fuel assembly along the camera's shooting direction. This results in the camera being unable to clearly capture the gap, and the detection capability of the inspection mechanism failing to meet the inspection requirements for the fuel assembly. Summary of the Invention
[0004] Therefore, it is necessary to propose a testing organization, testing device, and testing system to address the problem that the current testing capabilities of testing institutions cannot meet the testing requirements for fuel assemblies.
[0005] A detection mechanism includes multiple imaging components, which are arranged around the periphery of a workpiece to be inspected and are communicatively connected to a display module. The workpiece to be inspected moves relative to the imaging components along its own central axis. Each imaging component includes:
[0006] Fixed base;
[0007] A rotating assembly includes a rotating shell, a first driving member, and a second driving member. The fixed ends of the first driving member and the second driving member are both located on the rotating shell. The output end of the first driving member is rotatably connected to the fixed base. The first driving member is used to drive the rotating shell to rotate relative to the fixed base around a first rotation axis.
[0008] The imaging component is connected to the output end of the second driving component. The second driving component is used to drive the imaging component to rotate relative to the rotating shell around a second rotation axis. The first rotation axis intersects the second rotation axis, and the first rotation axis or the second rotation axis is parallel to the central axis of the object to be tested. The imaging component includes a camera and a fill light. The fill light is disposed on the camera and is used to emit light to the object to be tested.
[0009] In one embodiment, the detection mechanism further includes a plurality of supports surrounding the outer periphery of the object to be tested;
[0010] Each of the brackets is provided with at least one of the shooting components, and the mounting base is connected to the bracket.
[0011] In one embodiment, the first rotation axis intersects the arrangement direction of the test piece and the corresponding bracket, and the second rotation axis is parallel to the central axis of the test piece.
[0012] In one embodiment, one end of any two adjacent brackets is provided with a plug, and the other end of any two adjacent brackets is provided with a socket, the plug being inserted into the socket.
[0013] In one embodiment, the socket is provided with a plug hole, and along the axial direction of the plug hole, one end of the plug is connected to the corresponding bracket, and the other end of the plug extends into the plug hole.
[0014] In one embodiment, the plug includes a plug section and a limiting section coaxially arranged and connected to each other. The plug section is located inside the plug hole, and the limiting section is located outside the plug hole. The limiting section is provided with a limiting boss, and there is a gap between the limiting boss and the corresponding bracket.
[0015] A sleeve is fitted onto the limiting section, with a portion of the sleeve located within the gap. The limiting boss is used to restrict the movement of the sleeve along the axial direction of the plug. A portion of the sleeve is fitted onto the outer periphery of the socket and threadedly connected to the socket.
[0016] In one embodiment, the detection mechanism includes a plurality of light-emitting lamps arranged around the outer periphery of the object to be tested, and at least one of the light-emitting lamps is provided on any one of the brackets.
[0017] In one embodiment, the first rotation axis is parallel to the central axis of the object to be tested;
[0018] The second rotation axis is parallel to the arrangement direction of the test piece and the corresponding bracket.
[0019] In one embodiment, along the axial direction of the object to be tested, the bracket is located on one side of the corresponding imaging component, and the bracket is provided with a hook.
[0020] In one embodiment, the outer peripheral wall of the bracket near the shooting component is provided with a limiting member.
[0021] In one embodiment, the bracket is provided with two clamping members arranged at intervals, the two clamping members being arranged at intervals along the direction of the bracket pointing towards the object to be tested;
[0022] Along the arrangement direction of the two clamping members, at least one of the clamping members is provided with a fastener, and the fastener is threadedly connected to the corresponding clamping member.
[0023] In one embodiment, the bracket is provided with a guide hole, the axis of which is parallel to the central axis of the component to be tested;
[0024] The shooting assembly includes a connecting tube group, which passes through the guide through hole of the corresponding bracket. The connecting tube group includes multiple connecting tubes, which are arranged along the axial direction of the guide through hole, and any two adjacent connecting tubes are movably connected. The connecting tube farthest from the bracket among the multiple connecting tubes is connected to the fixed base.
[0025] In one embodiment, the shooting component includes a bracket, and the other connecting tube farthest from the bracket among the plurality of connecting tubes is connected to the bracket, the bracket being provided with a mounting slot.
[0026] This application also proposes a detection device, which includes the detection mechanism provided in the foregoing embodiments of this application, and
[0027] The display module is communicatively connected to the camera and is used to acquire and display image information captured by the camera.
[0028] This application also proposes a detection system, which includes the detection device provided in the foregoing embodiments of this application.
[0029] The detection mechanism, detection device, and detection system in this embodiment include multiple imaging components. These components are positioned around the periphery of the workpiece to be inspected, allowing the detection mechanism to capture images of the workpiece. By establishing a communication connection between the imaging components and a display module, the images captured by each component can be transmitted to the display module for display. This facilitates cross-comparison of images from multiple imaging components, resulting in more accurate image information of the workpiece. The workpiece moves relative to the imaging components along its central axis, allowing the imaging components to capture images at any position along the central axis. The imaging components include a fixed base and a rotating component. The fixed end of the first driving member of the rotating component is mounted on the rotating shell of the rotating component, and the output end of the first driving member is rotatably connected to the fixed base. When the output end of the first driving member rotates relative to the fixed base around a first rotation axis, the rotating shell rotates around the first rotation axis under the drive of the first driving member.
[0030] By mounting the fixed end of the second drive component of the rotating assembly onto the rotating housing, the second drive component can rotate around the first rotation axis under the drive of the rotating housing. By connecting the output end of the second drive component to the imaging component, the imaging component can be driven to rotate synchronously as the second drive component rotates around the first rotation axis. By allowing the second drive component to drive the imaging component to rotate relative to the rotating housing around the second rotation axis, the second drive component can simultaneously drive the imaging component to rotate around the first rotation axis and the second rotation axis, thereby adjusting the imaging direction of the imaging component around the first and second rotation axes, so that the imaging component faces the side of the object to be detected closest to the imaging component.
[0031] By incorporating a camera into the imaging device, the camera can capture images of the gap between the fuel rods (not shown) surrounding the component under inspection, specifically at the center of the component. Furthermore, by integrating a supplementary light into the imaging device and placing it on top of the camera, the light emitted by the supplementary light can, during camera capture, largely penetrate the gap between the fuel rods surrounding the component (the camera's shooting direction) and illuminate the central gap, resulting in a clearer image and enhanced inspection capabilities. Attached Figure Description
[0032] To more clearly illustrate the technical solutions in the embodiments or exemplary embodiments of this application, the accompanying drawings used in the description of the embodiments or exemplary embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0033] Figure 1 This is a schematic diagram of the imaging component of the detection mechanism in one embodiment of this application.
[0034] Figure 2 for Figure 1 The diagram shows the internal structure of the second rotating shell in the shooting assembly, where the second driving element is installed.
[0035] Figure 3 for Figure 2 A magnified view of the structure at point A in the middle.
[0036] Figure 4 for Figure 1 The diagram shows the structure of the camera component in the camera assembly.
[0037] Figure 5 for Figure 1 The diagram shows the structure of the imaging assembly after the second rotating shell and the imaging component have been disassembled.
[0038] Figure 6 for Figure 5 The diagram shows the internal structure of the first rotating shell.
[0039] Figure 7 This is an assembly diagram of the testing mechanism and the part to be tested in one embodiment of this application.
[0040] Figure 8 for Figure 7 A schematic diagram of the structure of the central support.
[0041] Figure 9 for Figure 7 A magnified view of the structure at point B.
[0042] Figure 10 for Figure 9 The structure shown is a cross-sectional view along the CC direction.
[0043] Figure 11 This is a partial structural diagram of the testing mechanism in one embodiment of this application.
[0044] Figure 12 This is a partial structural diagram of the testing mechanism in one embodiment of this application.
[0045] Figure 13This is a schematic diagram of the detection device in one embodiment of this application.
[0046] Figure label:
[0047] Detection system 1;
[0048] Detection device 10,
[0049] The components include: a detection mechanism 100, a shooting assembly 110, a fixed base 111, a rotating assembly 112, a rotating shell 112-1, a first rotating shell 112-1-1, a second rotating shell 112-1-2, a first driving component 112-2, a first transmission gear set 112-3, a first transmission gear 112-3-1, a second transmission gear 112-3-2, a third transmission gear 112-3-3, a first transmission worm 112-3-4, a first transmission worm wheel 112-3-5, a first transmission shaft 112-4, a second driving component 112-5, a second transmission gear set 112-6, a fourth transmission gear 112-6-1, a fifth transmission gear 112-6-2, and a third transmission gear 112-6-2. Second transmission worm gear 112-6-3, second transmission worm wheel 112-6-4, shooting component 113, shooting shell 113-1, camera 113-2, fill light 113-3, rotating shaft 113-4, connecting pipe assembly 114, connecting pipe 114-1, bracket 115, hanging groove 115-1, bracket 120, plug 121, plug section 121-1, limiting section 121-2, limiting boss 121-3, socket 122, plug hole 122-1, limiting component 123, clamping component 124, fastener 125, guide through hole 126, swing arm 127, hook 128, sleeve 130, sleeve body 131, retaining ring 132, light 140;
[0050] Display module 200;
[0051] Control cabinet 300;
[0052] Cable 400;
[0053] Item 2 to be tested. Detailed Implementation
[0054] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0055] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0056] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0057] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0058] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0059] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.
[0060] Please see Figures 1 to 6 , Figure 1 A schematic diagram of the structure of a detection mechanism 100 according to an embodiment of this application is shown. An embodiment of this application provides a detection mechanism 100, which includes multiple imaging components 110. The imaging components 110 are arranged around the outer periphery of the workpiece 2 to be detected and are communicatively connected to a display module 200. The workpiece 2 to be detected moves relative to the imaging components 110 along its own central axis.
[0061] Optionally, the test piece 2 includes multiple fuel rods that extend along the central axis of the test piece 2. The multiple fuel rods are arranged in a row along a first direction V1 and in a column along a second direction V2. The first direction V1, the second direction V2, and the extension direction of the central axis of the test piece 2 intersect each other.
[0062] In one example, the imaging assembly 110 includes a fixed base 111 and a rotating assembly 112. The rotating assembly 112 includes a rotating shell 112-1, a first driving member 112-2, and a second driving member 112-5. The fixed ends of the first driving member 112-2 and the second driving member 112-5 are both located on the rotating shell 112-1. The output end of the first driving member 112-2 is rotatably connected to the fixed base 111. The first driving member 112-2 is used to drive the rotating shell 112-1 to rotate relative to the fixed base 111 around a first rotation axis S1.
[0063] Optionally, the rotating assembly 112 includes a rotating shell 112-1, the rotating shell 112-1 includes a first rotating shell 112-1-1, a first driving member 112-2 is located inside the first rotating shell 112-1-1, the fixed end of the first driving member 112-2 is connected to the rotating shell 112-1, and the output end of the first driving member 112-2 is rotatably connected to the fixed base 111.
[0064] Optionally, the rotating assembly 112 includes a first drive shaft 112-4, which extends along a first rotation axis S1. One end of the first drive shaft 112-4 is connected to the output end of the first drive member 112-2, and the other end of the first drive shaft 112-4 passes through the fixed base 111. The output end of the first drive member 112-2 drives the first drive shaft 112-4 to rotate around its own central axis.
[0065] Optionally, the rotating assembly 112 includes a first transmission gear set 112-3, located within the first rotating housing 112-1-1. The first transmission gear set 112-3 includes a first transmission worm 112-3-4 and a first transmission worm wheel 112-3-5. The first transmission worm 112-3-4 is rotatably connected to the rotating housing 112-1, and its rotation axis intersects with the first rotation axis S1 and the second rotation axis S2. The output end of the first driving member 112-2 is connected to the first transmission worm 112-3-4 to drive its rotation. The first transmission worm gear 112-3-5 is connected to the rotating housing 112-1. The central axis of the first transmission worm gear 112-3-5 is collinear with the first rotation axis S1. The first transmission worm gear 112-3-5 meshes with the first transmission worm 112-3-4 to rotate under the drive of the first transmission worm 112-3-4. One end of the first transmission shaft 112-4 is coaxially arranged and connected to the first transmission worm gear 112-3-5.
[0066] Optionally, the first transmission gear set 112-3 includes a third transmission gear 112-3-3, which is coaxially arranged and connected with the first transmission worm 112-3-4. The output end of the first driving member 112-2 is connected to the third transmission gear 112-3-3 to drive the third transmission gear 112-3-3 to rotate, thereby driving the first transmission worm 112-3-4 to rotate synchronously.
[0067] Optionally, the first transmission gear set 112-3 includes a second transmission gear 112-3-2, which is rotatably connected to the rotating housing 112-1. The rotation axis of the second transmission gear 112-3-2 is parallel to the rotation axis of the first transmission worm 112-3-4. The second transmission gear 112-3-2 meshes with the third transmission gear 112-3-3. The output end of the first driving member 112-2 is connected to the second transmission gear 112-3-2 to drive the second transmission gear 112-3-2 to rotate.
[0068] Optionally, the module of the third transmission gear 112-3-3 is equal to the module of the second transmission gear 112-3-2, and the number of teeth of the third transmission gear 112-3-3 is less than the number of teeth of the second transmission gear 112-3-2.
[0069] Optionally, the rotation axis of the output end of the first driving member 112-2 is parallel to the first rotation axis S1, and the first transmission gear set 112-3 includes a first transmission gear 112-3-1. The first transmission gear 112-3-1 is sleeved outside the output end of the first driving member 112-2 and meshes with the second transmission gear 112-3-2 for transmission.
[0070] Optionally, the module of the second transmission gear 112-3-2 is equal to the module of the first transmission gear 112-3-1, and the number of teeth of the second transmission gear 112-3-2 is more than the number of teeth of the first transmission gear 112-3-1.
[0071] In one example, the imaging component 110 may include an imaging element 113, which is connected to the output end of a second driving element 112-5. The second driving element 112-5 drives the imaging element 113 to rotate relative to the rotating shell 112-1 around a second rotation axis S2. A first rotation axis S1 intersects the second rotation axis S2. The first rotation axis S1 or the second rotation axis S2 is parallel to the central axis of the object to be inspected 2. The imaging element 113 includes a camera 113-2 and a fill light 113-3. The fill light 113-3 is mounted on the camera 113-2 and is used to emit light onto the object to be inspected 2.
[0072] Optionally, the rotating shell 112-1 includes two second rotating shells 112-1-2, which are located on opposite sides of the first rotating shell 112-1-1 along the extension direction of the second rotation axis S2. A second driving member 112-5 is located within one of the second rotating shells 112-1-2. The fixed end of the second driving member 112-5 is connected to the rotating shell 112-1, and the output end of the second driving member 112-5 is connected to the imaging member 113 to drive the imaging member 113 to rotate relative to the rotating shell 112-1 around the second rotation axis S2.
[0073] Optionally, the rotating assembly 112 includes a second transmission gear set 112-6, which is located within a second rotating housing 112-1-2. The second transmission gear set 112-6 includes a second transmission worm 112-6-3 and a second transmission worm wheel 112-6-4. The second transmission worm 112-6-3 extends along the extension direction of the first rotation axis S1 and is rotatably connected to the rotating housing 112-1 about its own central axis. The output end of the second driving member 112-5 is drively connected to the second transmission worm 112-6-3 to drive the second transmission worm 112-6-3 to rotate. The second transmission worm wheel 112-6-4 is rotatably connected to the rotating housing 112-1 about the second rotation axis S2, and the second transmission worm wheel 112-6-4 meshes with the second transmission worm 112-6-3 for transmission. The shooting member 113 is connected to the second transmission worm wheel 112-6-4.
[0074] Optionally, the second transmission gear set 112-6 includes a fifth transmission gear 112-6-2, which is coaxially arranged and connected with the second transmission worm 112-6-3. The output end of the second driving member 112-5 is connected to the fifth transmission gear 112-6-2 to drive the fifth transmission gear 112-6-2 to rotate, thereby driving the second transmission worm 112-6-3 to rotate synchronously.
[0075] Optionally, the rotation axis of the output end of the second driving member 112-5 is parallel to the first rotation axis S1. The second transmission gear set 112-6 includes a fourth transmission gear 112-6-1, which is sleeved outside the output end of the second driving member 112-5 and meshes with the fifth transmission gear 112-6-2 for transmission.
[0076] Optionally, the camera component 113 includes a camera housing 113-1 and a rotating shaft 113-4. The rotating shaft 113-4 extends along the second rotation axis S2 and passes through the second transmission worm gear 112-6-4. The camera housing 113-1 is connected to one end of the rotating shaft 113-4 away from the second transmission worm gear 112-6-4. The camera 113-2 and the fill light 113-3 are located on the camera housing 113-1.
[0077] Optionally, the camera 113-2 and the fill light 113-3 are arranged along the extension direction of the first rotation axis S1.
[0078] In this embodiment, the detection mechanism 100 includes multiple imaging components 110, which are arranged around the periphery of the workpiece 2 to be inspected, allowing the detection mechanism 100 to capture images of the workpiece 2. By establishing a communicative connection between the imaging components 110 and the display module 200, the image information captured by each imaging component 110 can be transmitted to the display module 200 for display. This facilitates cross-comparison of the images captured by multiple imaging components 110, resulting in a more accurate image of the workpiece 2. Furthermore, by allowing the workpiece 2 to move relative to the imaging components 110 along its central axis, the imaging components 110 can capture images of any position on the workpiece 2 along its central axis. By setting the shooting component 110 to include a fixed base 111 and a rotating component 112, the fixed end of the first driving member 112-2 of the rotating component 112 is mounted on the rotating shell 112-1 of the rotating component 112, so that the output end of the first driving member 112-2 is rotatably connected to the fixed base 111. When the output end of the first driving member 112-2 rotates relative to the fixed base 111 around the first rotation axis S1, the rotating shell 112-1 can rotate around the first rotation axis S1 under the drive of the first driving member 112-2.
[0079] By mounting the fixed end of the second drive member 112-5 of the rotating assembly 112 onto the rotating shell 112-1, the second drive member 112-5 can rotate around the first rotation axis S1 under the drive of the rotating shell 112-1. By connecting the output end of the second drive member 112-5 to the imaging member 113, the second drive member 112-5 can drive the imaging member 113 to rotate synchronously while rotating around the first rotation axis S1. By having the second drive member 112-5 drive the imaging member 113 to rotate around the second rotation axis S2 relative to the rotating shell 112-1, the second drive member 112-5 can drive the imaging member 113 to rotate around the second rotation axis S2 while simultaneously driving the imaging member 113 to rotate around the first rotation axis S1. This adjusts the imaging direction of the imaging member 113 around the first rotation axis S1 and the second rotation axis S2, so that the imaging member 113 faces the side of the object to be detected 2 closest to the imaging member 113.
[0080] By including a camera 113-2 in the imaging component 113, the imaging component 113 can use the camera 113-2 to capture images of the gap between the fuel rods (not shown) at the center of the sample 2. By including a supplementary light 113-3 in the imaging component 113, and integrating the supplementary light 113-3 with the camera 113-2, when the camera 113-2 is capturing images, most of the light emitted by the supplementary light 113-3 can pass through the gap between the fuel rods at the center of the sample 2 along the direction of the camera 113-2 towards the sample 2 (the shooting direction of the camera 113-2), illuminating the gap between the fuel rods at the center of the sample 2. This makes the image captured by the camera 113-2 clearer and improves the detection capability of the detection mechanism 100.
[0081] Please see Figure 7 , Figure 11 as well as Figure 12 In some embodiments, the detection mechanism 100 further includes a plurality of supports 120, which surround the outer periphery of the workpiece 2 to be detected. Each support 120 is provided with at least one imaging component 110, and a fixing base 111 is connected to the support 120.
[0082] In this embodiment, the detection mechanism 100 surrounds the outer periphery of the component 2 to be tested with multiple supports 120. At least one imaging component 110 is mounted on each support 120, and the mounting base 111 of each imaging component 110 is connected to the support 120, thus assembling the imaging components 110 and the support 120 together. In this way, when the component 2 to be tested is located in a water tank, the support 120 can be fixed to the side wall of the water tank to ensure the relative positional relationship between each imaging component 110 and the component 2 to be tested.
[0083] Please see Figure 7 In some embodiments, the first rotation axis S1 intersects the arrangement direction S3 of the test piece 2 and the corresponding bracket 120, and the second rotation axis S2 is parallel to the central axis of the test piece 2.
[0084] In this embodiment, the detection mechanism 100 is configured such that the first rotation axis S1 intersects the arrangement direction S3 of the component to be tested 2 and the corresponding bracket 120, resulting in different directions of the first rotation axis S1 of different imaging components 110. By making the second rotation axis S2, which intersects the first rotation axis S1, parallel to the central axis of the component to be tested 2, the first rotation axes S1 of multiple imaging components 110 are arranged around the central axis of the component to be tested 2 on its outer periphery.
[0085] Please see Figure 7 , Figure 9 as well as Figure 10 In some embodiments, one end of any two adjacent brackets 120 is provided with a plug 121, and the other end of any two adjacent brackets 120 is provided with a socket 122, and the plug 121 is plugged into the socket 122.
[0086] In this embodiment, the detection mechanism 100 can more easily assemble multiple supports 120 into a frame surrounding the outer periphery of the workpiece 2 by setting a plug 121 on one of any two adjacent supports 120 and a socket 122 on the other, and plugging the plug 121 and socket 122 together.
[0087] Please see Figure 7 , Figure 9 as well as Figure 10 In some embodiments, the socket 122 is provided with a plug hole 122-1. Along the axial direction of the plug hole 122-1, one end of the plug 121 is connected to the corresponding bracket 120, and the other end of the plug 121 extends into the plug hole 122-1.
[0088] In this embodiment, the detection mechanism 100 connects one end of the plug 121 to the corresponding bracket 120 by providing a plug hole 122-1 on the socket 122, and extends the other end of the plug 121 into the plug hole 122-1 along the axial direction of the plug hole 122-1. This allows the plug 121 to be connected to and disconnected from the socket 122 simply by inserting or removing the other end of the plug 121 from the plug hole 122-1, thus reducing the complexity of connecting and disconnecting the plug 121 and the socket 122.
[0089] Please see Figure 7 , Figure 9 as well as Figure 10 In some embodiments, the plug 121 includes a plug section 121-1 and a limiting section 121-2 that are coaxially arranged and interconnected. The plug section 121-1 is located inside the plug hole 122-1, and the limiting section 121-2 is located outside the plug hole 122-1. The limiting section 121-2 is provided with a limiting boss 121-3, and there is a gap between the limiting boss 121-3 and the corresponding bracket 120.
[0090] Optionally, the limiting boss 121-3 is arranged around the outer periphery of the limiting segment 121-2 around the axis of the limiting segment 121-2.
[0091] In one example, a sleeve 130 is fitted on the limiting section 121-2, with a portion of the sleeve 130 located within the gap. The limiting boss 121-3 is used to limit the movement of the sleeve 130 along the axial direction of the plug 121. A portion of the sleeve 130 is fitted onto the outer periphery of the socket 122 and threadedly connected to the socket 122.
[0092] Optionally, the sleeve 130 includes a sleeve body 131 and a retaining ring 132. The sleeve body 131 is sleeved outside the limiting section 121-2 and the socket 122, and is threadedly connected to the socket 122. The retaining ring 132 is disposed on the inner wall of the sleeve body 131 and located within the gap.
[0093] Optionally, the retaining ring 132 is arranged in a ring around the central axis of the sleeve body 131.
[0094] In this embodiment, the detection mechanism 100 sets the insertion section 121-1 of the plug 121 inside the insertion hole 122-1 and sets the limiting section 121-2 of the plug 121 outside the insertion hole 122-1, so that part of the plug 121 extends into the insertion hole 122-1. By setting a limiting boss 121-3 on the limiting section 121-2, the limiting boss 121-3 can abut against the outer periphery of the opening of the insertion hole 122-1 during the movement of the limiting section 121-2 toward the insertion hole 122-1, preventing the limiting section 121-2 from extending into the insertion hole 122-1. In this way, it can be ensured that when the plug 121 is plugged into the socket 122, only the insertion section 121-1 extends into the insertion hole 122-1.
[0095] By setting a gap between the limiting boss 121-3 and the corresponding bracket 120, a portion of the sleeve 130 fitted on the limiting section 121-2 is located within the gap. When the portion of the sleeve 130 is fitted onto the outer periphery of the socket 122 and threadedly connected to the socket 122, the gap between the limiting boss 121-3 and the corresponding bracket 120 can limit the axial movement of the sleeve 130 along the plug 121.
[0096] Please see Figure 7 In some embodiments, the detection mechanism 100 includes a plurality of light-emitting lamps 140, which surround the outer periphery of the workpiece 2 to be tested, and at least one light-emitting lamp 140 is provided on any one of the supports 120.
[0097] In this embodiment, the detection mechanism 100 includes multiple light-emitting lamps 140 arranged around the outer periphery of the component to be tested 2, causing the lamps to emit light towards the component. This ensures that more light passes through the gaps between the fuel rods around the component to be tested 2 and enters the gap between the fuel rods at the center of the component, thereby illuminating more gaps between the fuel rods in the component.
[0098] Please see Figure 11 and Figure 12In some embodiments, the first rotation axis S1 is parallel to the central axis of the test piece 2, and the second rotation axis S2 is parallel to the arrangement direction S3 of the test piece 2 and the corresponding bracket 120.
[0099] In this embodiment, the detection mechanism 100 sets its first rotation axis S1 parallel to the central axis of the component to be tested 2, making the directions of the first rotation axes S1 of different imaging components 110 parallel to each other. By setting the second rotation axis S2 parallel to the arrangement direction S3 of the component to be tested 2 and the corresponding bracket 120, the directions of the second rotation axes S2 of different imaging components 110 can be different, allowing the second rotation axes S2 of multiple imaging components 110 to be arranged around the central axis of the component to be tested 2.
[0100] Please see Figure 11 and Figure 12 In some embodiments, along the axial direction of the object to be tested 2, the bracket 120 is located on one side of the corresponding imaging component 110, and the bracket 120 is provided with a hook 128.
[0101] In this embodiment, the detection mechanism 100 is equipped with a hook 128 on the support 120. After a rope is tied to the hook 128, the support 120 can be lowered into the water pool until the support 120 is lowered to the target distance from the bottom of the water pool.
[0102] Please see Figure 11 In some embodiments, the outer peripheral wall of the bracket 120 near the imaging assembly 110 is provided with a limiting member 123.
[0103] Optionally, the limiting member 123 is disposed on the outer peripheral wall of the bracket 120 on the side near the shooting component 110.
[0104] In this embodiment, the detection mechanism 100 provides a limiting member 123 on the outer peripheral wall of the bracket 120 near the shooting component 110, so that when the bracket 120 is inserted into the mesh hole of the grid plate in the pool, the limiting member 123 can abut against the outer periphery of the mesh hole, preventing the shooting component 110 on the bracket 120 from falling into the mesh hole of the grid plate.
[0105] Please see Figure 12 In some embodiments, the bracket 120 is provided with two clamping members 124 arranged at intervals, and the two clamping members 124 are arranged at intervals along the direction of the bracket 120 pointing to the object to be tested 2.
[0106] In one example, along the arrangement direction of the two clamping members 124, at least one clamping member 124 is provided with a fastener 125, and the fastener 125 is threadedly connected to the corresponding clamping member 124.
[0107] In this embodiment, the detection mechanism 100 uses two clamping members 124 on the support 120. These clamping members 124 are spaced apart along the direction from the support 120 towards the object to be detected 2, allowing the gap between any two clamping members 124 to engage with the edge frame (not shown) of the pool opening. This allows the support 120 to be secured to the edge frame of the pool opening, enabling multiple supports 120 to be positioned at the edge of the pool opening.
[0108] By having a fastener 125 pass through at least one of the two clamping members 124 along the arrangement direction of the two clamping members 124, the fastener 125 can move towards the edge of the pool opening along the arrangement direction of the two clamping members 124, thereby firmly engaging the bracket 120 with the edge of the pool opening.
[0109] Please see Figure 12 In some embodiments, the bracket 120 is provided with a guide hole 126, the axis of which is parallel to the central axis of the component to be tested 2.
[0110] The shooting assembly 110 includes a connecting tube group 114, which passes through the guide hole 126 of the corresponding bracket 120. The connecting tube group 114 includes multiple connecting tubes 114-1, which are arranged along the axial direction of the guide hole 126, and any two adjacent connecting tubes 114-1 are movably connected. The connecting tube 114-1 that is farthest from the bracket 120 among the multiple connecting tubes 114-1 is connected to the fixing seat 111.
[0111] Optionally, the connecting pipe 114-1 is made of glass fiber.
[0112] Optionally, the connecting pipe 114-1 has multiple drainage holes on its wall. This allows the connecting pipe 114-1 to extend below the surface of the water in the pool.
[0113] Optionally, any two adjacent connecting pipes 114-1 can be rotatably connected about an axis parallel to the second rotation axis S2.
[0114] Optionally, along the direction of the bracket 120 pointing towards the part to be tested 2, the bracket 120 is provided with a through groove (not marked) on the side of the bracket 120 near the part to be tested 2. The through groove is connected to the guide through hole 126, and the axis of the through groove is parallel to the central axis of the part to be tested 2.
[0115] Optionally, the bracket 120 includes a swing arm 127, which is located on the side of the through groove near the fixed base 111 along the extension direction of the first rotation axis S1. The extension direction of the swing arm 127 is parallel to the extension direction of the second rotation axis S2, and the two ends of the swing arm 127 are located on opposite sides of the through groove along the extension direction of the swing arm 127. One end of the swing arm 127 is rotatably connected to the bracket 120, and the other end abuts against the bracket 120. The rotation axis of the swing arm 127 is parallel to the direction of the bracket 120 pointing towards the workpiece 2 to be tested.
[0116] In this embodiment, the detection mechanism 100 provides a guide hole 126 on the bracket 120, making the axis of the guide hole 126 parallel to the central axis of the component to be tested 2. The connecting pipe assembly 114 is inserted through the guide hole 126 of the corresponding bracket 120, so that when the bracket 120 is fixed to the side wall of the pool, the connecting pipe assembly 114 can move in the pool along the axial direction of the guide hole 126.
[0117] By setting the connecting pipe assembly 114 to include multiple connecting pipes 114-1, arranging the multiple connecting pipes 114-1 along the axial direction of the guide through hole 126, and movably connecting any two adjacent connecting pipes 114-1, the flexibility of the connecting pipe assembly 114 can be improved, making the connecting pipe assembly 114 easier to bend and fold.
[0118] By connecting the connecting pipe 114-1 that is furthest from the bracket 120 among the multiple connecting pipes 114-1 to the fixed base 111, the connecting pipe group 114 can move in the pool along the axial direction of the guide hole 126. The connecting pipe 114-1 connected to the fixed base 111 can drive the fixed base 111 to move synchronously, so that the shooting component 110 can move closer to or further away from the bottom of the pool along the axial direction of the guide hole 126.
[0119] Please see Figure 12 In some embodiments, the shooting component 110 includes a bracket 115, and the other connecting pipe 114-1 that is furthest from the bracket 120 among a plurality of connecting pipes 114-1 is connected to the bracket 115. The bracket 115 is provided with a hanging groove 115-1.
[0120] Optionally, the mounting slot 115-1 includes multiple slots, which are arranged along the extension direction of the first rotation axis S1.
[0121] Optionally, the mounting slot 115-1 extends through the bracket 115 along the direction from the bracket 120 toward the part to be tested 2.
[0122] Optionally, the bracket 120 includes a pull rope (not shown), one end of which is connected to the other end of the swing arm 127, and the other end of which is connected to the hanger 115, so that the other end of the swing arm 127 always remains in contact with the bracket 120.
[0123] In this embodiment, the detection mechanism 100 includes a shooting component 110 with a bracket 115. The other connecting pipe 114-1, which is furthest from the bracket 120 among the multiple connecting pipes 114-1, is connected to the bracket 115. After the bracket 115 is attached to the frame at the edge of the pool opening, the bracket 115 can pull the connecting pipe group 114, thereby lifting the shooting component 110 through the connecting pipe group 114, thus maintaining the distance between the shooting component 110 and the bottom of the pool.
[0124] Please see Figure 13 This application also proposes a detection device 10, which includes a detection mechanism 100 and a display module 200. The display module 200 is communicatively connected to the camera 113-2 and is used to acquire and display image information captured by the camera 113-2.
[0125] Optionally, the detection device 10 includes a control cabinet 300. The camera 113-2 is electrically connected to a control unit (not shown) in the control cabinet 300 via a cable 400. The control unit is communicatively connected to the display module 200. In this way, the image information captured by the camera 113-2 can be transmitted to the control unit via the cable 400, stored in the control unit, or forwarded by the control unit to the display module 200 for display.
[0126] Optionally, the cameras 113-2 of the multiple shooting components 110 are electrically connected to the control unit via different cables 400.
[0127] Optionally, the supplementary light 113-3 is electrically connected to the control unit via cable 400. In this way, the control unit can turn the supplementary light 113-3 on or off, or adjust the brightness of the supplementary light 113-3.
[0128] Optionally, the fill lights 113-3 of the multiple shooting components 110 are electrically connected to the control unit via different cables 400.
[0129] Optionally, the lamp 140 is electrically connected to the control unit via a cable 400. In this way, the control unit can turn the lamp 140 on or off, or adjust the brightness of the lamp 140.
[0130] In this embodiment, the detection device 10 includes a detection mechanism 100 comprising multiple imaging components 110. These imaging components 110 are positioned around the periphery of the workpiece 2 to be inspected, allowing the detection mechanism 100 to capture images of the workpiece 2. By establishing a communicative connection between the imaging components 110 and the display module 200, the image information captured by each imaging component 110 can be transmitted to the display module 200 for display. This facilitates cross-comparison of the images captured by the multiple imaging components 110, resulting in a more accurate acquisition of image information of the workpiece 2. Furthermore, by allowing the workpiece 2 to move relative to the imaging components 110 along its central axis, the imaging components 110 can capture images of any position on the workpiece 2 along its central axis. By setting the shooting component 110 to include a fixed base 111 and a rotating component 112, the fixed end of the first driving member 112-2 of the rotating component 112 is mounted on the rotating shell 112-1 of the rotating component 112, so that the output end of the first driving member 112-2 is rotatably connected to the fixed base 111. When the output end of the first driving member 112-2 rotates relative to the fixed base 111 around the first rotation axis S1, the rotating shell 112-1 can rotate around the first rotation axis S1 under the drive of the first driving member 112-2.
[0131] By mounting the fixed end of the second drive member 112-5 of the rotating assembly 112 onto the rotating shell 112-1, the second drive member 112-5 can rotate around the first rotation axis S1 under the drive of the rotating shell 112-1. By connecting the output end of the second drive member 112-5 to the imaging member 113, the second drive member 112-5 can drive the imaging member 113 to rotate synchronously while rotating around the first rotation axis S1. By having the second drive member 112-5 drive the imaging member 113 to rotate around the second rotation axis S2 relative to the rotating shell 112-1, the second drive member 112-5 can drive the imaging member 113 to rotate around the second rotation axis S2 while simultaneously driving the imaging member 113 to rotate around the first rotation axis S1. This adjusts the imaging direction of the imaging member 113 around the first rotation axis S1 and the second rotation axis S2, so that the imaging member 113 faces the side of the object to be detected 2 closest to the imaging member 113.
[0132] By including a camera 113-2 in the imaging component 113, the imaging component 113 can use the camera 113-2 to capture images of the gap between the fuel rods (not shown) at the center of the sample 2. By including a supplementary light 113-3 in the imaging component 113, and integrating the supplementary light 113-3 with the camera 113-2, when the camera 113-2 is capturing images, most of the light emitted by the supplementary light 113-3 can pass through the gap between the fuel rods at the center of the sample 2 along the direction of the camera 113-2 towards the sample 2 (the shooting direction of the camera 113-2), illuminating the gap between the fuel rods at the center of the sample 2. This makes the image captured by the camera 113-2 clearer and improves the detection capability of the detection mechanism 100.
[0133] By communicating with the camera 113-2 through the display module 200, the information captured by the camera 113-2 can be transmitted to the display module 200 for display, so that staff can remotely observe the shooting results of the camera 113-2.
[0134] Please see Figure 13 This application also proposes a detection system 1, which includes a detection device 10.
[0135] In this embodiment, the detection device 10 includes a detection mechanism 100 comprising multiple imaging components 110. These imaging components 110 are positioned around the periphery of the workpiece 2 to be inspected, allowing the detection mechanism 100 to capture images of the workpiece 2. By establishing a communicative connection between the imaging components 110 and the display module 200, the image information captured by each imaging component 110 can be transmitted to the display module 200 for display. This facilitates cross-comparison of the images captured by the multiple imaging components 110, resulting in a more accurate acquisition of image information of the workpiece 2. Furthermore, by allowing the workpiece 2 to move relative to the imaging components 110 along its central axis, the imaging components 110 can capture images of any position on the workpiece 2 along its central axis. By setting the shooting component 110 to include a fixed base 111 and a rotating component 112, the fixed end of the first driving member 112-2 of the rotating component 112 is mounted on the rotating shell 112-1 of the rotating component 112, so that the output end of the first driving member 112-2 is rotatably connected to the fixed base 111. When the output end of the first driving member 112-2 rotates relative to the fixed base 111 around the first rotation axis S1, the rotating shell 112-1 can rotate around the first rotation axis S1 under the drive of the first driving member 112-2.
[0136] By mounting the fixed end of the second drive member 112-5 of the rotating assembly 112 onto the rotating shell 112-1, the second drive member 112-5 can rotate around the first rotation axis S1 under the drive of the rotating shell 112-1. By connecting the output end of the second drive member 112-5 to the imaging member 113, the second drive member 112-5 can drive the imaging member 113 to rotate synchronously while rotating around the first rotation axis S1. By having the second drive member 112-5 drive the imaging member 113 to rotate around the second rotation axis S2 relative to the rotating shell 112-1, the second drive member 112-5 can drive the imaging member 113 to rotate around the second rotation axis S2 while simultaneously driving the imaging member 113 to rotate around the first rotation axis S1. This adjusts the imaging direction of the imaging member 113 around the first rotation axis S1 and the second rotation axis S2, so that the imaging member 113 faces the side of the object to be detected 2 closest to the imaging member 113.
[0137] By including a camera 113-2 in the imaging component 113, the imaging component 113 can use the camera 113-2 to capture images of the gap between the fuel rods (not shown) at the center of the sample 2. By including a supplementary light 113-3 in the imaging component 113, and integrating the supplementary light 113-3 with the camera 113-2, when the camera 113-2 is capturing images, most of the light emitted by the supplementary light 113-3 can pass through the gap between the fuel rods at the center of the sample 2 along the direction of the camera 113-2 towards the sample 2 (the shooting direction of the camera 113-2), illuminating the gap between the fuel rods at the center of the sample 2. This makes the image captured by the camera 113-2 clearer and improves the detection capability of the detection mechanism 100.
[0138] By communicating with the camera 113-2 through the display module 200, the information captured by the camera 113-2 can be transmitted to the display module 200 for display, so that staff can remotely observe the shooting results of the camera 113-2.
[0139] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0140] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A testing institution, characterized in that, The detection mechanism includes multiple imaging components, which are arranged around the periphery of the object to be inspected and are communicatively connected to a display module. The object to be inspected moves relative to the imaging components along its own central axis. Each imaging component includes: Fixed base; A rotating assembly includes a rotating shell, a first driving member, and a second driving member. The fixed ends of the first driving member and the second driving member are both located on the rotating shell. The output end of the first driving member is rotatably connected to the fixed base. The first driving member is used to drive the rotating shell to rotate relative to the fixed base around a first rotation axis. The imaging component is connected to the output end of the second driving component. The second driving component is used to drive the imaging component to rotate relative to the rotating shell around a second rotation axis. The first rotation axis intersects the second rotation axis, and the first rotation axis or the second rotation axis is parallel to the central axis of the object to be tested. The imaging component includes a camera and a fill light. The fill light is disposed on the camera and is used to emit light to the object to be tested.
2. The testing mechanism according to claim 1, characterized in that, The testing mechanism also includes multiple supports, which surround the outer periphery of the part to be tested; Each of the brackets is provided with at least one of the shooting components, and the mounting base is connected to the bracket.
3. The testing mechanism according to claim 2, characterized in that, The first rotation axis intersects the arrangement direction of the test piece and the corresponding bracket, and the second rotation axis is parallel to the central axis of the test piece.
4. The testing mechanism according to claim 2, characterized in that, One end of any two adjacent brackets is provided with a plug, and the other end of any two adjacent brackets is provided with a socket, and the plug is inserted into the socket.
5. The testing mechanism according to claim 4, characterized in that, The socket is provided with a plug hole. Along the axial direction of the plug hole, one end of the plug is connected to the corresponding bracket, and the other end of the plug extends into the plug hole.
6. The testing mechanism according to claim 5, characterized in that, The plug includes a plug section and a limiting section that are coaxially arranged and connected to each other. The plug section is located inside the plug hole, and the limiting section is located outside the plug hole. The limiting section is provided with a limiting boss, and there is a gap between the limiting boss and the corresponding bracket. A sleeve is fitted onto the limiting section, with a portion of the sleeve located within the gap. The limiting boss is used to restrict the movement of the sleeve along the axial direction of the plug. A portion of the sleeve is fitted onto the outer periphery of the socket and threadedly connected to the socket.
7. The testing mechanism according to claim 2, characterized in that, The testing mechanism includes multiple light-emitting lamps, which surround the outer periphery of the object to be tested, and at least one of the light-emitting lamps is provided on any one of the brackets.
8. The testing mechanism according to claim 2, characterized in that, The first rotation axis is parallel to the central axis of the workpiece to be tested; The second rotation axis is parallel to the arrangement direction of the test piece and the corresponding bracket.
9. The testing mechanism according to claim 8, characterized in that, Along the axial direction of the object to be tested, the bracket is located on one side of the corresponding imaging component, and the bracket is provided with a hook.
10. The testing mechanism according to claim 9, characterized in that, The bracket has a limiting member on the outer peripheral wall of the side closest to the shooting component.
11. The testing mechanism according to claim 8, characterized in that, The bracket is provided with two clamping members arranged at intervals, and the two clamping members are arranged at intervals along the bracket in the direction pointing to the object to be tested; Along the arrangement direction of the two clamping members, at least one of the clamping members is provided with a fastener, and the fastener is threadedly connected to the corresponding clamping member.
12. The testing mechanism according to claim 11, characterized in that, The bracket is provided with a guide hole, and the axis of the guide hole is parallel to the central axis of the component to be tested; The shooting assembly includes a connecting tube group, which passes through the guide through hole of the corresponding bracket. The connecting tube group includes multiple connecting tubes, which are arranged along the axial direction of the guide through hole, and any two adjacent connecting tubes are movably connected. The connecting tube farthest from the bracket among the multiple connecting tubes is connected to the fixed base.
13. The testing mechanism according to claim 12, characterized in that, The shooting component includes a bracket, and the other connecting pipe that is furthest from the bracket among the plurality of connecting pipes is connected to the bracket, and the bracket is provided with a hanging groove.
14. A detection device, characterized in that, The detection device includes the detection mechanism described in any one of claims 1 to 13, and The display module is communicatively connected to the camera and is used to acquire and display image information captured by the camera.
15. A detection system, characterized in that, The detection system includes the detection device as described in claim 14.