CN-122022673-A - Nuclear power plant intelligent storage accurate inventory system and method thereof

CN122022673ACN 122022673 ACN122022673 ACN 122022673ACN-122022673-A

Abstract

The invention relates to an intelligent storage accurate inventory system of a nuclear power plant and a method thereof. The system comprises a 3D contour detection module, a three-dimensional (3D) contour detection module and a three-dimensional (three-dimensional) contour detection module, wherein the 3D contour detection module is arranged at a warehouse entry port and is used for carrying out non-contact 3D scanning on warehouse entry cargoes so as to obtain contour data and judging whether the outer contour and macroscopic surface defects of the cargoes accord with the standard of a three-dimensional warehouse cargo space. The special weighing and checking machine is arranged at a checking station in a warehouse and comprises a weighing platform, a code scanning module for reading the bar codes of a tray and goods, and a data acquisition module for acquiring weight, bar codes and image data in real time. The automatic inventory algorithm server is in communication connection with the weighing inventory special machine and is integrated with a weight-quantity inversion module, and the weight-quantity inversion module is used for reversely calculating the quantity of materials according to the single-piece weight database and the total weight. The difference comparison module is used for comparing the actual measurement data with the theoretical inventory of the warehouse management system in a difference mode and generating an inventory report.

Inventors

LI CHANGHONG
YE CHUNMING
Cui Zhihu
JU HUAFENG

Assignees

阳江核电有限公司

Dates

Publication Date: 20260512
Application Date: 20260112

Claims (10)

1. Accurate inventory system of nuclear power plant's intelligent storage, its characterized in that includes: the three-dimensional warehouse is provided with a standard cargo space and stores nuclear power spare parts of various types and large weight span; The 3D contour detection module is arranged at the warehouse entry port and is used for carrying out non-contact 3D scanning on warehouse entry cargoes so as to obtain contour data and judge whether the outer contour and macroscopic surface defects of the cargoes accord with the standard of a three-dimensional warehouse cargo space or not; The weighing and checking special machine is arranged at a checking station in the warehouse and comprises a weighing platform, a code scanning module for reading the bar codes of the tray and the goods, and a data acquisition module for acquiring weight, bar codes and image data in real time; the automatic checking algorithm server is in communication connection with the weighing and checking special machine and is integrated with the weighing and checking special machine: the weight-quantity inversion module is used for reversely calculating the quantity of materials according to the single-piece weight database and the total weight; the difference comparison module is used for performing difference comparison on the measured data and theoretical inventory of the warehouse management system and generating an inventory report; the warehouse management system is in bidirectional data butt joint with the 3D contour detection module, the weighing and checking special machine and the automatic checking algorithm server, so that warehouse entry, warehouse exit and release and dynamic inventory update are realized; And the AGV robot/four-way vehicle is used for responding to the conveying instruction of the warehouse management system, and conveying the tray in the warehouse to the checking station of the weighing and checking special machine.
2. The intelligent storage accurate inventory method for the nuclear power plant, which is applied to the system of claim 1, is characterized by comprising the following steps of: s11, creating a newly added warehousing task, namely receiving an upstream warehousing instruction by a warehousing management system and generating a unique warehousing single number; S12, registering warehouse-in data, namely recording material class codes, batch numbers, minimum packaging unit quantity and measuring units, single bare piece weight and packaging total weight for each batch of materials one by one; S13, appearance detection, namely carrying out full-contour scanning on the minimum packaging unit through a 3D contour detection module, establishing a three-dimensional model and marking appearance dimension data, judging that the appearance is abnormal if the three-dimensional model exceeds an allowable threshold value with a preset standard deviation, and turning to the step S16; S14, weight detection, namely placing the minimum packaging unit on a weighing platform, acquiring the weight of a single bare piece and the total weight of the package, and if the theoretical weight difference registered in the step S12 exceeds a preset allowable deviation, judging that the weight is abnormal and turning to the step S16; s15, setting up the trays, namely when the step S13 and the step S14 are judged to be normal, the warehouse management system distributes various materials or a plurality of batches to the same tray/material cage according to the class codes, batch numbers and weight distribution strategies, and binds the tray ID with all minimum packing unit IDs; s16, performing exception handling; S17, finishing putting on the shelf.
3. The intelligent warehouse accurate inventory method of a nuclear power plant according to claim 2, wherein step S16 includes: if the weight is abnormal, a weight difference rechecking list is generated, and the rechecking is executed and the weight of the single piece in the step S12 is updated; if the appearance is abnormal, comparing the two adjacent three-dimensional model identification results, and if the deviation exists continuously, marking the abnormal packaging unit ID and returning to the warehouse management system to reject the loading.
4. The intelligent warehouse accurate inventory method of a nuclear power plant according to claim 2, wherein step S17 includes: The AGV robot/four-way vehicle carries the qualified trays to the appointed goods space of the three-dimensional warehouse, the warehouse management system updates the warehouse in real time, and the inventory data is accurate to the category, batch, quantity and single-piece weight of the minimum packaging unit for checking and using in the follow-up automatic checking.
5. The intelligent warehouse accurate inventory method of a nuclear power plant as claimed in claim 4, wherein the step S17 further comprises: after the inventory is updated, the warehouse management system automatically generates and writes a warehouse event log to meet the quality assurance traceability requirement of the nuclear power spare parts, wherein the warehouse event log comprises a warehouse unit number, a pallet ID, all minimum packing unit IDs, a three-dimensional model file URL, a weighing time stamp and an abnormal marking bit.
6. The intelligent storage accurate inventory method of a nuclear power plant according to claim 2, further comprising the step of a warehouse-out process: S21, creating a material ex-warehouse task, namely receiving a work order by a warehouse management system, pre-occupying corresponding warehouse position inventory, generating the ex-warehouse task order and locking material types, batches and quantity; s22, judging a picking strategy, namely comparing the quantity of the work orders required by the warehouse management system with the quantity of the existing whole bags at the warehouse location, if the quantity of the work orders required by the warehouse location exceeds the quantity of the existing whole bags at the warehouse location, executing whole bag picking, otherwise, executing unpacking picking; s23, weight pre-deduction, namely calculating theoretical deduction total weight according to the weight of a single piece by the required quantity by a warehouse management system no matter the whole package or unpacking, and synchronously updating the virtual inventory; s24, picking the real objects, namely carrying the target pallet to a picking station of a delivery port by an AGV robot/a four-way vehicle, finishing picking according to a strategy of the step S22, and acquiring the actual deduction total weight in real time by on-site weighing equipment; s25, judging the intelligent difference, namely if the difference between the theoretical deduction total weight and the actual deduction total weight is larger than a preset allowable deviation, judging that the difference is abnormal, automatically generating a difference rechecking list by the warehouse management system, triggering an alarm, and prompting manual rechecking; S26, returning the container to a warehouse; and S27, officially deducting the inventory, namely officially deducting the inventory quantity and weight by the warehouse management system after rechecking, releasing the pre-occupation, updating the state of the warehouse location to be available, and completing the ex-warehouse.
7. The intelligent warehouse accurate inventory method of a nuclear power plant as claimed in claim 6, wherein the step S26 includes: and (5) weighing and rechecking the residual materials and the containers after the picking is finished, returning the containers to the original goods position or the near-end goods position of a temporary storage port of the return warehouse distributed by the system by the AGV robot if the weight is consistent with the residual theoretical weight, and returning to the step (S25) for rechecking if the weights are inconsistent.
8. The intelligent warehouse accurate inventory method of a nuclear power plant according to claim 6, wherein the unpacking and sorting in step S22 includes: the unpacking label comprises a work order number, a required quantity, a theoretical weight and a two-dimensional code/bar code; unpacking operation is carried out after code scanning confirmation so as to ensure traceability.
9. The intelligent storage accurate inventory method of a nuclear power plant according to claim 2, further comprising the inventory flow step of: s31, generating an inventory plan, wherein the inventory management system automatically generates the inventory plan according to a preset period or a trigger condition and month/half year/year, locks the to-be-checked goods space and freezes corresponding inventory transaction; s32, unloading the container, namely carrying the target tray/material cage from the three-dimensional warehouse goods space to the inventory opening by using a four-way vehicle, a conveyor belt or an AGV robot; s33, weighing and comparing, namely, the weighing and checking special machine is used for integrally weighing the container and the materials to obtain the actual total weight, and comparing the actual total weight with the theoretical total weight of the container recorded in the warehouse management system; S34, judging that no difference exists if the difference between the actual total weight and the theoretical total weight does not exceed a preset allowable deviation, and executing step S36; s35, checking the difference, namely automatically generating a difference checking list by a warehouse management system, checking the difference reason on site by a manager, and finishing the difference registration at a mobile terminal; s36, updating total weight of the bin theory, namely taking the actual total weight as new total weight of the bin theory to be rewritten into a database no matter whether a difference exists or not; and S37, returning the container to a warehouse, namely, conveying the container to an original goods position or a centralized goods position of the same batch designated by the system by the AGV robot, and releasing the freezing by the warehouse management system and ending the inventory.
10. The intelligent warehouse accurate inventory method of a nuclear power plant according to claim 9, wherein in step S35, the difference registration includes: If the difference is confirmed to be the material loss, the warehouse management system executes inventory quantity deduction and triggers safety inventory early warning; if the difference is confirmed to be the metering error, only the total weight of the goods space theory is updated, the stock quantity is not modified, and the account is kept consistent.

Description

Nuclear power plant intelligent storage accurate inventory system and method thereof Technical Field The invention relates to the technical field of nuclear power storage, in particular to an intelligent storage accurate inventory system and method for a nuclear power plant. Background The development process of the warehouse management counting technology comprises 1, manual counting, 2, scanning bar code counting, 3, wireless radio frequency identification counting, and 4, artificial intelligence AI counting. The automatic checking of the existing warehouse management mainly realizes automatic checking through a wireless radio frequency identification technology, but partial materials cannot be monitored during checking because the shielding and shielding of the wireless radio frequency identification cannot be identified, so that the automatic checking is required for placing the materials, and the automatic checking can be successfully performed without shielding. The simple artificial intelligence AI is checked and can be suitable for equipment with similar standards and specifications, and a manufacturer can generally adopt AI to count and count, but the artificial intelligence AI has long learning time and large error for a large amount of materials, especially materials with larger appearance differences. The spare parts equipment of the nuclear power station has high value and low universality, the warehouse needs to reflect the accurate quantity of the inventory in real time, and the general inventory method is difficult to meet the requirements because the equipment types are up to 16 ten thousand. The simple adoption of the wireless radio frequency identification can easily cause the problem of counting accuracy due to the shielding problem, and the simple adoption of the weight calculation can not realize accurate approval due to the variety of precision and varieties. Disclosure of Invention The invention aims to solve the technical problem of providing an intelligent storage accurate inventory system and an intelligent storage accurate inventory method for a nuclear power plant. The technical scheme adopted by the invention for solving the technical problems is that the intelligent storage accurate inventory system of the nuclear power plant comprises: the three-dimensional warehouse is provided with a standard cargo space and stores nuclear power spare parts of various types and large weight span; The 3D contour detection module is arranged at the warehouse entry port and is used for carrying out non-contact 3D scanning on warehouse entry cargoes so as to obtain contour data and judge whether the outer contour and macroscopic surface defects of the cargoes accord with the standard of a three-dimensional warehouse cargo space or not; The weighing and checking special machine is arranged at a checking station in the warehouse and comprises a weighing platform, a code scanning module for reading the bar codes of the tray and the goods, and a data acquisition module for acquiring weight, bar codes and image data in real time; the automatic checking algorithm server is in communication connection with the weighing and checking special machine and is integrated with the weighing and checking special machine: the weight-quantity inversion module is used for reversely calculating the quantity of materials according to the single-piece weight database and the total weight; the difference comparison module is used for performing difference comparison on the measured data and theoretical inventory of the warehouse management system and generating an inventory report; the warehouse management system is in bidirectional data butt joint with the 3D contour detection module, the weighing and checking special machine and the automatic checking algorithm server, so that warehouse entry, warehouse exit and release and dynamic inventory update are realized; And the AGV robot/four-way vehicle is used for responding to the conveying instruction of the warehouse management system, and conveying the tray in the warehouse to the checking station of the weighing and checking special machine. In addition, the invention also provides an intelligent storage accurate inventory method of the nuclear power plant, which is applied to the system, and comprises the steps of the storage flow: s11, creating a newly added warehousing task, namely receiving an upstream warehousing instruction by a warehousing management system and generating a unique warehousing single number; S12, registering warehouse-in data, namely recording material class codes, batch numbers, minimum packaging unit quantity and measuring units, single bare piece weight and packaging total weight for each batch of materials one by one; S13, appearance detection, namely carrying out full-contour scanning on the minimum packaging unit through a 3D contour detection module, establishing a three-dimensional model and marking appearance dimension data, judging t