CN214012004U - Fuel assembly identification and positioning system based on image processing - Google Patents
Fuel assembly identification and positioning system based on image processing Download PDFInfo
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- CN214012004U CN214012004U CN202022431075.9U CN202022431075U CN214012004U CN 214012004 U CN214012004 U CN 214012004U CN 202022431075 U CN202022431075 U CN 202022431075U CN 214012004 U CN214012004 U CN 214012004U
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Abstract
The utility model discloses a fuel assembly identification and positioning system based on image processing, which comprises a fuel assembly, an underwater camera, an image identification system and a man-machine interaction system; the upper end surface of the fuel assembly is provided with an identification code for identifying the identity of the fuel assembly and a positioning hole for fixing the position of the gripping apparatus; the underwater camera is positioned on the fuel assembly through the gripping apparatus, acquires the identification code information and the positioning hole information of the upper end face of the fuel assembly, and converts the identification code and the positioning hole information into digital signals; the image recognition system is used for acquiring the digital signal of the underwater camera and converting the digital signal into image information; the man-machine interaction system is used for visualizing the image information in the image recognition system. The utility model discloses can effectively shorten loading and unloading operation time, provide technical condition for further realizing that fuel assembly loading and unloading is automatic.
Description
Technical Field
The utility model belongs to the technical field of fuel assembly, especially, relate to fuel assembly dress reloading equipment field.
Background
The nuclear physical parameters of each group of fuel assemblies in the nuclear island plant of the nuclear power plant are different, such as enrichment degree, burnup depth and the like, and the position of each group of fuel assemblies in the reactor core is also determined. Therefore, the refueling process must accurately place each group of fuel assemblies into the corresponding locations in the core. At present, the traditional method in the nuclear power plant is to compare codes positioned on the upper end surfaces of fuel assemblies one by one through an underwater camera to confirm that each position of a reactor core is loaded with a correct fuel assembly. Meanwhile, when the fuel assembly in the pile is grabbed, if the position of the grabber and the position of the fuel assembly have deviation, an operator needs to manually eliminate the deviation through an underwater camera, so that the time for loading and unloading the fuel is influenced. The method identifies the coding information of the upper end face of the fuel assembly through image processing, and automatically compares the information of the fuel assembly; meanwhile, the position information of the fuel assembly is obtained through image processing, and technical conditions are provided for automatic centering operation and automatic grabbing of the grab.
SUMMERY OF THE UTILITY MODEL
In order to realize the automatic identification of the fuel assembly and the acquisition of the position information of the fuel assembly, technical conditions are provided for realizing the automation of the loading and unloading of the fuel assembly. The utility model provides a fuel assembly identification and positioning system based on image processing, which comprises a fuel assembly, an underwater camera, an image identification system and a man-machine interaction system;
the upper end surface of the fuel assembly is provided with an identification code for identifying the identity of the fuel assembly and a positioning hole for fixing the position of the gripping apparatus;
the underwater camera is positioned on the fuel assembly through the gripping apparatus, acquires the identification code information and the positioning hole information of the upper end face of the fuel assembly, and converts the identification code and the positioning hole information into digital signals;
the image recognition system is used for acquiring the digital signal of the underwater camera and converting the digital signal into image information;
the man-machine interaction system is used for visualizing the image information in the image recognition system.
Preferably, the head of the underwater camera is provided with an enhanced illumination component (11), an optical system (10), a charge coupler (9) and a data acquisition card (8); the image of the upper end face of the fuel assembly is projected into the charge coupler (9) through the optical system (10) and converted into an electric quantity signal, and the data acquisition card (8) acquires the electric quantity signal and then analyzes and converts the electric quantity signal into a digital signal.
Preferably, the underwater camera (5) is arranged at the central shaft of the gripper body (6) of the gripper, a positioning pin (7) is arranged at the bottom of the gripper, and the positioning pin (7) is matched with the positioning hole on the upper end face of the fuel assembly.
Preferably, the human-computer interaction system comprises an input and output display module.
The system is convenient to operate, can effectively shorten the material loading and unloading operation time, and provides technical conditions for further realizing the automation of fuel assembly loading and unloading.
Drawings
FIG. 1 is a block diagram of a fuel assembly image recognition system;
FIG. 2 is a schematic view of an identification code and a positioning hole on the upper end face of the fuel assembly;
wherein, 1-identification code; 2-positioning hole 1; 3-positioning hole 2; 4-a fuel assembly;
FIG. 3 is a schematic view of a gripper;
wherein, 5-underwater camera; 6-a gripper body; 7-a positioning pin;
FIG. 4 is a schematic view of an underwater camera;
11-an optical system; 10-enhanced lighting; 9-a charge coupler; 8-a data acquisition card;
FIG. 5 is a schematic diagram of a human-machine interaction system interface;
wherein, 12-image display area; 13-image processing area; 14-result display area.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 2, a unique identification code 1 is engraved on the upper end face of each fuel assembly, and a positioning hole 1 and a positioning hole 2 are formed for centering operation of the gripping apparatus; as shown in figure 3, an underwater camera 5 is arranged at the central shaft of a gripping apparatus body 6 of the gripping apparatus, and a positioning pin 7 is arranged at the bottom of the gripping apparatus and matched with a positioning hole at the upper end surface of the fuel assembly. As shown in FIG. 4, the camera head is provided with an enhanced light source 11, an image of the upper end face of the fuel assembly is projected into the charge coupler 9 through an optical system 10 and converted into an electric quantity signal, and the data acquisition card 8 acquires the electric quantity signal and sends the electric quantity signal to the industrial personal computer for analysis and processing. As shown in fig. 5, the operator displays the image information of the upper end face of the fuel assembly in the image display area 12 of the human-computer interface, performs image processing and feature recognition in the image processing area 13, and finally displays the identification code of the fuel assembly and the position information of the positioning hole in the result display area 14.
The specific operation steps are as follows:
1) the underwater camera converts the identification code and the positioning hole information on the fuel assembly into a digital signal;
2) the digital signal of the underwater camera is transmitted to the image recognition system and converted into image information;
3) the image recognition system carries out contour edge extraction and feature recognition on the positioning holes and the identification codes in the image information, and outputs and displays recognition results through the human-computer interaction system;
4) and the man-machine interaction system keeps the image recognition result and provides the image recognition result for the gripper to operate and use.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to encompass such modifications and variations. The above-described embodiments or implementations are merely illustrative of the present invention, which may be embodied in other specific forms or arrangements without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be determined by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be embraced therein.
Claims (4)
1. A fuel assembly identification and positioning system based on image processing is characterized by comprising a fuel assembly, an underwater camera, an image identification system and a man-machine interaction system;
the upper end surface of the fuel assembly is provided with an identification code for identifying the identity of the fuel assembly and a positioning hole for fixing the position of the gripping apparatus;
the underwater camera is positioned on the fuel assembly through the gripping apparatus, acquires the identification code information and the positioning hole information of the upper end face of the fuel assembly, and converts the identification code and the positioning hole information into digital signals;
the image recognition system is used for acquiring the digital signal of the underwater camera and converting the digital signal into image information;
the man-machine interaction system is used for visualizing the image information in the image recognition system.
2. The fuel assembly identification and positioning system based on image processing as claimed in claim 1, wherein said underwater camera head is provided with an enhanced illumination component (11), an optical system (10), a charge-coupled device (9), a data acquisition card (8); the image of the upper end face of the fuel assembly is projected into the charge coupler (9) through the optical system (10) and converted into an electric quantity signal, and the data acquisition card (8) acquires the electric quantity signal and then analyzes and converts the electric quantity signal into a digital signal.
3. The fuel assembly identification and positioning system based on image processing as claimed in claim 1, characterized in that the underwater camera (5) is arranged at the central shaft of the gripper body (6) of the gripper, and the bottom of the gripper is provided with a positioning pin (7), and the positioning pin (7) is matched with the positioning hole on the upper end face of the fuel assembly.
4. The image-processing-based fuel assembly identification and positioning system of claim 1, wherein the human-computer interaction system comprises an input-output display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022431075.9U CN214012004U (en) | 2020-10-28 | 2020-10-28 | Fuel assembly identification and positioning system based on image processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022431075.9U CN214012004U (en) | 2020-10-28 | 2020-10-28 | Fuel assembly identification and positioning system based on image processing |
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| CN214012004U true CN214012004U (en) | 2021-08-20 |
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| CN202022431075.9U Active CN214012004U (en) | 2020-10-28 | 2020-10-28 | Fuel assembly identification and positioning system based on image processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112232264A (en) * | 2020-10-28 | 2021-01-15 | 上海核工程研究设计院有限公司 | Fuel assembly identification and positioning system based on image processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112232264A (en) * | 2020-10-28 | 2021-01-15 | 上海核工程研究设计院有限公司 | Fuel assembly identification and positioning system based on image processing |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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