Intelligent monitoring system for nuclear fuel operation

Abstract

The utility model discloses an intelligent monitoring system for nuclear fuel operation, which is used for monitoring the operation working conditions of fuel hoisting equipment and fuel assemblies in a fuel plant and a reactor plant. The nuclear fuel operation intelligent monitoring system comprises a camera shooting assembly, a transmission assembly connected with the camera shooting assembly, a control assembly connected with the transmission assembly and a display assembly connected with the control assembly. According to the intelligent monitoring system for nuclear fuel operation, a plurality of cameras are arranged, so that a set of multi-picture monitoring system formed by multiple cameras is formed, and a nuclear fuel operator or a refueling main pipe can monitor real-time pictures of all nuclear fuel hoisting scenes in a fuel plant and a reactor plant at the same time on a remotely-controlled operation table; the remote monitoring of nuclear fuel operation is easily realized, the working efficiency and the reliability are greatly improved, the problem of monitoring dead angles caused by a traditional single-camera single-picture monitoring mode is solved, a multi-camera simultaneous video recording function can be realized, and the backtracking of the nuclear fuel operation process is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of nuclear fuel operation applications, in particular to an intelligent monitoring system for nuclear fuel operation. Background Art

[0002] At present, nuclear power units still adopt the traditional monitoring mode of a single camera and a single picture, or the way that nuclear fuel operators go to the fuel pool or above the core pool to observe with a telescope to monitor nuclear fuel operation. However, the traditional monitoring mode of a single camera and a single picture causes dead angles in monitoring, while the way of observing with a telescope is prone to misjudgment, affecting the correctness and integrity of actual operation. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an intelligent monitoring system for nuclear fuel operation.

[0004] The technical solution adopted by the utility model to solve its technical problem is to construct an intelligent monitoring system for nuclear fuel operation, which is used to monitor the operation status of fuel lifting equipment and fuel assemblies in the fuel building and the reactor building. The intelligent monitoring system for nuclear fuel operation includes a camera assembly, a transmission assembly connected to the camera assembly, a control assembly connected to the transmission assembly, and a display assembly connected to the control assembly;

[0005] The camera assembly includes a plurality of cameras, and the plurality of cameras are distributed in the fuel building and the reactor building to obtain working images of the fuel lifting equipment and fuel assemblies in the fuel building and the reactor building.

[0006] In some embodiments, the plurality of cameras are divided into a first camera, a second camera, a third camera, a fourth camera, and a fifth camera;

[0007] The first camera and the second camera are installed in the spent fuel pool of the fuel building, the third camera is installed in the bridge crane guardrail area of the fuel building, and the fourth camera and the fifth camera are installed in the fuel transfer pool of the fuel building.

[0008] In some embodiments, the transmission assembly includes a first transfer box, a first switch, a second switch, a first optical network converter, and a second optical network converter;

[0009] The control assembly includes a first terminal control box;

[0010] The first camera, the second camera, the third camera, and the fourth camera are commonly communicatively connected to the first transfer box, and the first transfer box is communicatively connected to the first terminal control box;

[0011] The image signal collected by the fifth camera is sequentially transmitted to the first terminal control box through the first switch, the first optical network converter, the second optical network converter, and the second switch.

[0012] In some embodiments, the display component includes a first display screen and a second display screen, and the first display screen and the second display screen are commonly connected to the first terminal control box.

[0013] In some embodiments, the control component further includes a first operator connected to the first terminal control box.

[0014] In some embodiments, the multiple cameras are further divided into a sixth camera, a seventh camera, an eighth camera, a ninth camera, and a tenth camera. The sixth camera and the seventh camera are installed in the core pool of the reactor building, the eighth camera and the ninth camera are installed in the reactor transfer pool of the reactor building, and the tenth camera is installed on the refueling machine of the reactor building.

[0015] In some embodiments, the transmission component includes a first cable reel, a second cable reel, a third switch, a fourth switch, a third optical network converter, and a fourth optical network converter;

[0016] The control component includes a second terminal control box;

[0017] The sixth camera and the seventh camera are commonly connected to the first cable reel, the eighth camera and the ninth camera are commonly connected to the second cable reel, and the first cable reel and the second cable reel are commonly connected to the second terminal control box;

[0018] The image signal collected by the tenth camera is sequentially transmitted to the second terminal control box through the third switch, the third optical network converter, the fourth optical network converter, and the fourth switch.

[0019] In some embodiments, the display component includes a third display screen and a fourth display screen, and the third display screen and the fourth display screen are commonly connected to the second terminal control box.

[0020] In some embodiments, the control component further includes a second operator connected to the second terminal control box.

[0021] In some embodiments, the multiple cameras are all radiation-resistant industrial cameras.

[0022] Implementing the present utility model has the following beneficial effects: By setting multiple cameras, the nuclear fuel operation intelligent monitoring system forms a multi-screen monitoring system composed of multiple cameras. Nuclear fuel operators or refueling supervisors can simultaneously monitor the real-time images of all nuclear fuel lifting scenarios in the fuel building and the reactor building on the remotely controlled operation console, easily achieving remote monitoring of nuclear fuel operations, greatly improving work efficiency and reliability, solving the problem of dead angles in monitoring caused by the traditional single-camera single-screen monitoring mode, and enabling the function of simultaneous video recording by multiple cameras, which is convenient for tracing back the nuclear fuel operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the technical solutions of the present utility model, the following will further explain the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings. In the drawings:

[0024] Figure 1 is the overall schematic diagram of the nuclear fuel operation intelligent monitoring system of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] To have a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings and are in a specific orientation structure and operation, only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific orientation, so it should not be construed as a limitation to the present utility model.

[0026] It should also be noted that, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. When a component is referred to as being "on" or "under" another component, the component can be "directly" or "indirectly" located above the other component, or there may also be one or more intermediate components. Terms such as "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Referring to Figure 1 , which is a nuclear fuel operation intelligent monitoring system in some embodiments of the present utility model, used to monitor the operating conditions of fuel handling equipment and fuel assemblies in the fuel building and the reactor building. The nuclear fuel operation intelligent monitoring system includes a camera assembly 1, a transmission assembly 2 connected to the camera assembly 1, a control assembly 3 connected to the transmission assembly 2, and a display assembly 4 connected to the control assembly 3. The camera assembly 1 includes multiple cameras, and the multiple cameras are distributed in the fuel building and the reactor building to obtain the working images of the fuel handling equipment and fuel assemblies in the fuel building and the reactor building. In this embodiment, the multiple cameras are all radiation-resistant industrial cameras, and a radiation-resistant industrial camera is a camera device that can prevent radiation interference. In this nuclear fuel operation intelligent monitoring system, an optical fiber network is also provided for signal transmission.

[0028] It can be understood that by setting multiple cameras, the nuclear fuel operation intelligent monitoring system forms a multi-camera multi-screen monitoring system. Nuclear fuel operators or refueling supervisors can simultaneously monitor the real-time images of all nuclear fuel handling scenarios in the fuel building and the reactor building on the remotely controlled operation console, easily realizing remote monitoring of nuclear fuel operations, greatly improving work efficiency and reliability, solving the problem of dead angles in monitoring caused by the traditional single-camera single-screen monitoring mode, and enabling the function of simultaneous video recording by multiple cameras, which is convenient for tracing the nuclear fuel operation process.

[0029] Specifically, the multiple cameras are divided into a first camera 101, a second camera 102, a third camera 103, a fourth camera 104, and a fifth camera 105. The first camera 101 and the second camera 102 are installed in the spent fuel pool 51 of the fuel building. The third camera 103 is installed in the bridge crane guardrail area 52 of the fuel building. The fourth camera 104 and the fifth camera 105 are installed in the fuel transfer pool 53 of the fuel building. Among them, the first camera 101 and the second camera 102 can be installed in the spent fuel pool 51 of the fuel building through mounting brackets, and the third camera 103 can also be installed in the bridge crane guardrail area 52 of the fuel building through mounting brackets.

[0030] In addition, the transmission component 2 includes a first transfer box 201, a first switch 202, a second switch 203, a first optical network converter 204, and a second optical network converter 205. The control component 3 includes a first terminal control box 31. The first camera 101, the second camera 102, the third camera 103, and the fourth camera 104 are commonly communicatively connected to the first transfer box 201. The first transfer box 201 is communicatively connected to the first terminal control box 31. The image signals collected by the fifth camera 105 are transmitted to the first terminal control box 31 after passing through the first switch 202, the first optical network converter 204, the second optical network converter 205, and the second switch 203 in sequence. The first camera 101, the second camera 102, the third camera 103, and the fourth camera 104 can all be connected to the first transfer box 201 through cables, and the image signals collected by the first camera 101, the second camera 102, the third camera 103, and the fourth camera 104 are then conveyed to the first terminal control box 31 through the first transfer box 201. In addition, the image signals collected by the fifth camera 105 can be transmitted to the first terminal control box 31 through the optical fiber network after passing through the first switch 202, the first optical network converter 204, the second optical network converter 205, and the second switch 203 in sequence.

[0031] The display component 4 includes a first display screen 41 and a second display screen 42. The first display screen 41 and the second display screen 42 are commonly connected to the first terminal control box 31. The first display screen 41 and the second display screen 42 are used to display the image information processed by the first terminal control box 31. Nuclear fuel operators can monitor the nuclear fuel operation process through the display screens. The control component 3 further includes a first operator 32 connected to the first terminal control box 31. The first operator 32 can be a remote control hand controller, which is convenient for the operator to perform remote control.

[0032] The multiple cameras are further divided into a sixth camera 106, a seventh camera 107, an eighth camera 108, a ninth camera 109, and a tenth camera 110. The sixth camera 106 and the seventh camera 107 are installed in the core pool 61 of the reactor building. The eighth camera 108 and the ninth camera 109 are installed in the reactor transfer pool 62 of the reactor building. The tenth camera 110 is installed on the refueling machine 63 of the reactor building. The sixth camera 106 and the seventh camera 107 can be installed in the core pool 61 of the reactor building through mounting brackets. The eighth camera 108 and the ninth camera 109 can also be installed in the reactor transfer pool 62 of the reactor building through mounting brackets. And the tenth camera 110 can also be installed on the refueling machine 63 of the reactor building through a mounting bracket.

[0033] Among them, the transmission component 2 includes a first cable reel 206, a second cable reel 207, a third switch 208, a fourth switch 209, a third optical network converter 210, and a fourth optical network converter 211. The control component 3 includes a second terminal control box 33. The sixth camera 106 and the seventh camera 107 are jointly connected to the first cable reel 206. The eighth camera 108 and the ninth camera 109 are jointly connected to the second cable reel 207. The first cable reel 206 and the second cable reel 207 are jointly connected to the second terminal control box 33. The image signals collected by the tenth camera 110 are transmitted to the second terminal control box 33 after passing through the third switch 208, the third optical network converter 210, the fourth optical network converter 211, and the fourth switch 209 in sequence. The sixth camera 106 and the seventh camera 107 can be connected to the first cable reel 206 through cables. The eighth camera 108 and the ninth camera 109 can be connected to the second cable reel 207 through cables. And the image signals collected by the tenth camera 110 can be transmitted to the second terminal control box 33 after passing through the third switch 208, the third optical network converter 210, the fourth optical network converter 211, and the fourth switch 209 using an optical fiber network in sequence.

[0034] The display component 4 includes a third display screen 43 and a fourth display screen 44. The third display screen 43 and the fourth display screen 44 are jointly connected to the second terminal control box 33 to facilitate nuclear fuel operators to obtain image information on core refueling and fuel replacement through the display screen. Between the spent fuel building and the reactor building, nuclear fuel operators can realize functions such as real-time viewing, playback, and mutual viewing of camera images through the display screen. The control component 3 further includes a second operator 34 connected to the second terminal control box 33. The second operator 34 can be a remote control handle to facilitate the operator to perform remote control.

[0035] Understandably, the above embodiments only represent the preferred embodiments of the present utility model, and the description thereof is relatively specific and detailed. However, it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, the above technical features can be freely combined, and several deformations and improvements can also be made, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made to the scope of the claims of the present utility model shall fall within the scope covered by the claims of the present utility model.

Claims

1. An intelligent monitoring system for nuclear fuel operations, which is used to monitor the operating conditions of fuel handling equipment and fuel assemblies in the fuel building and the reactor building, and is characterized in that, The intelligent monitoring system for nuclear fuel operation includes a camera assembly (1), a transmission assembly (2) connected to the camera assembly (1), a control assembly (3) connected to the transmission assembly (2), and a display assembly (4) connected to the control assembly (3); The camera assembly (1) includes a plurality of cameras, and the plurality of cameras are distributed in the fuel building and the reactor building to obtain working images of the fuel lifting equipment and fuel assemblies in the fuel building and the reactor building; The plurality of cameras are divided into a first camera (101), a second camera (102), a third camera (103), a fourth camera (104), and a fifth camera (105); The first camera (101) and the second camera (102) are installed in the spent fuel pool (51) of the fuel building, the third camera (103) is installed in the gantry guardrail area (52) of the fuel building, and the fourth camera (104) and the fifth camera (105) are installed in the fuel transfer pool (53) of the fuel building; The transmission assembly (2) includes a first transfer box (201), a first switch (202), a second switch (203), a first optical network converter (204), and a second optical network converter (205); The control assembly (3) includes a first terminal control box (31); The first camera (101), the second camera (102), the third camera (103), and the fourth camera (104) are commonly communicatively connected to the first transfer box (201), and the first transfer box (201) is communicatively connected to the first terminal control box (31); The image signal collected by the fifth camera (105) is transmitted to the first terminal control box (31) after passing through the first switch (202), the first optical network converter (204), the second optical network converter (205), and the second switch (203) in sequence.

2. The intelligent monitoring system for nuclear fuel operations according to claim 1, wherein The display assembly (4) includes a first display screen (41) and a second display screen (42), and the first display screen (41) and the second display screen (42) are commonly connected to the first terminal control box (31).

3. The intelligent monitoring system for nuclear fuel operation according to claim 1, wherein The control assembly (3) further includes a first operator (32) connected to the first terminal control box (31).

4. The intelligent monitoring system for nuclear fuel operations according to claim 1, characterized in that, The plurality of cameras are further divided into a sixth camera (106), a seventh camera (107), an eighth camera (108), a ninth camera (109), and a tenth camera (110). The sixth camera (106) and the seventh camera (107) are installed in the core pool (61) of the reactor building, the eighth camera (108) and the ninth camera (109) are installed in the reactor transfer pool (62) of the reactor building, and the tenth camera (110) is installed on the refueling machine (63) of the reactor building.

5. The intelligent monitoring system for nuclear fuel operations according to claim 4, wherein The transmission component (2) includes a first cable reel (206), a second cable reel (207), a third switch (208), a fourth switch (209), a third optical network converter (210), and a fourth optical network converter (211); The control component (3) includes a second terminal control box (33); The sixth camera (106) and the seventh camera (107) are commonly connected to the first cable reel (206), the eighth camera (108) and the ninth camera (109) are commonly connected to the second cable reel (207), and the first cable reel (206) and the second cable reel (207) are commonly connected to the second terminal control box (33); The image signal collected by the tenth camera (110) is transmitted to the second terminal control box (33) after passing through the third switch (208), the third optical network converter (210), the fourth optical network converter (211), and the fourth switch (209) in sequence.

6. The intelligent monitoring system for nuclear fuel operations according to claim 5, characterized in that The display component (4) includes a third display screen (43) and a fourth display screen (44), and the third display screen (43) and the fourth display screen (44) are commonly connected to the second terminal control box (33).

7. The intelligent monitoring system for nuclear fuel operation according to claim 5, characterized in that, The control component (3) further includes a second operator (34) connected to the second terminal control box (33).

8. The intelligent monitoring system for nuclear fuel operation according to claim 1, characterized in that Multiple cameras are all radiation-resistant industrial cameras.

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