CN-121974115-A - State detection method, device, equipment and medium for conveyer belt

CN121974115ACN 121974115 ACN121974115 ACN 121974115ACN-121974115-A

Abstract

The embodiment of the invention discloses a state detection method, device, equipment and medium for a conveyer belt, which comprise the steps of continuously obtaining a plurality of port video frames of the current conveyer belt through a target acquisition device, obtaining video frame rates used for collecting the plurality of port video frames, carrying out port identification on each port video frame based on a target port identification model to obtain port position information in each port video frame, determining port position change information of ports in adjacent port video frames based on the port position information corresponding to the plurality of port video frames, determining movement speed information of ports in the current conveyer belt based on the video frame rates and the position change information, and determining a current state detection result corresponding to the current conveyer belt based on the port standard state information, the position change information and/or the movement speed information. By the technical scheme of the embodiment of the invention, contact state detection is avoided, equipment operation and maintenance cost is reduced, and accuracy and efficiency of conveyer belt state detection are improved.

Inventors

WU YINGXIANG
LIN LIMING
LIANG TIANYU
Li Diyu
ZHENG HAOXUAN
XIE YUAN
CHEN HAOWEI
ZHU JIANSHENG
ZHANG YINGXI
He Chengle
CHEN YINGYI
LEI JIAMIN
LI ZENGDA
ZENG ZIYANG
LIU HUANCHAO
LIANG YUNTING
Ning Turui
CHEN JIANFENG
ZHOU WEITAO
CHEN ZHENYE

Assignees

广东中烟工业有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260119

Claims (10)

1. A method of detecting a state of a conveyor belt, comprising: continuously acquiring a plurality of port video frames of a current conveyor belt through target acquisition equipment, and acquiring video frame rates used for acquiring the plurality of port video frames; performing port identification on each port video frame based on the target port identification model to obtain port position information in each port video frame; determining the position change information of the port in the adjacent port video frames based on the port position information corresponding to the plurality of port video frames; Determining moving speed information of a port in the current conveyor belt based on the video frame rate and the position change information; And comparing the standard state information of the port with the position change information and/or the moving speed information to determine a current state detection result corresponding to the current conveyor belt.
2. The method according to claim 1, wherein the determining the current state detection result corresponding to the current conveyor belt based on the comparison between the port standard state information and the position change information and/or the movement speed information includes: comparing the rated speed information and the moving speed information in the standard state information of the port, determining a first state detection result corresponding to the current conveyor belt, and/or, Comparing rated displacement information in the standard state information of the port with the position change information to determine a second state detection result corresponding to the current conveyor belt; and determining a current state detection result corresponding to the current conveyor belt based on the first state detection result and/or the second state detection result.
3. The method of claim 1, wherein the target collection device comprises a first collection device and a second collection device, wherein the first collection device is arranged behind a feeding end blanking hopper of a tobacco shred conveying belt in a tobacco shred production line, and the second collection device is arranged in front of a discharging end blanking hopper of the tobacco shred conveying belt in the tobacco shred production line.
4. A method according to claim 3, characterized in that the method further comprises: determining a first acquisition time of the first acquisition equipment in the current port connection period and a second acquisition time of the second acquisition equipment in the current port connection period; and determining the current port connection period of the port connection in the current conveyer belt based on the first acquisition time and the second acquisition time.
5. The method of claim 4, wherein the port standard status information further comprises a nominal port cycle, the method further comprising: Comparing the rated port period with the current port period to determine a third state detection result corresponding to the current conveyor belt; And determining a target state detection result corresponding to the current conveyor belt based on the current state detection result and the third state detection result.
6. The method of claim 1, wherein the output of the target port identification model further comprises identification result confidence; before determining the position change information of the port in the adjacent port video frame, the method further comprises: and screening each port video frame based on a preset confidence threshold and the recognition result confidence outputted by the target port recognition model to obtain the port video frame of the position change information to be determined.
7. A condition detection apparatus for a conveyor belt, the apparatus comprising: the device comprises a port video frame acquisition module, a video frame acquisition module and a video frame acquisition module, wherein the port video frame acquisition module is used for continuously acquiring a plurality of port video frames of a current conveyer belt through target acquisition equipment and acquiring video frame rates used by the plurality of port video frames; the port position information determining module is used for carrying out port identification on each port video frame based on the target port identification model to obtain port position information in each port video frame; the position change information determining module is used for determining the position change information of the port in the adjacent port video frames based on the port position information corresponding to the plurality of port video frames; The moving speed information determining module is used for determining moving speed information of a port in the current conveyor belt based on the video frame rate and the position change information; The current state detection result determining module is used for comparing the standard state information of the port with the position change information and/or the moving speed information to determine a current state detection result corresponding to the current conveyor belt.
8. An electronic device, the electronic device comprising: One or more processors; A memory for storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the method of detecting a state of a conveyor belt according to any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements a method for detecting the condition of a conveyor belt according to any one of claims 1-6.
10. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the method of detecting the condition of a conveyor belt according to any one of claims 1-6.

Description

State detection method, device, equipment and medium for conveyer belt Technical Field The embodiment of the invention relates to the technical field of equipment quality detection, in particular to a state detection method, device, equipment and medium of a conveyer belt. Background In the tobacco shred production process, a conveying belt is core equipment for conveying tobacco shreds. The stability of the running state directly determines the continuity and production efficiency of the tobacco shred production flow. Once the conveying belt has faults such as slipping or overspeed, cut-off of cut tobacco conveying is extremely easy to be caused, and great production economic loss is caused. At present, the conventional conveying belt fault detection means mostly adopt contact sensors, such as a speed sensor, a tension sensor and the like. However, the detection mode has a plurality of defects that firstly, the contact sensor is easily interfered by factors such as tobacco shred dust, production environment humidity and the like, so that the detection precision is reduced, false alarm or missing alarm is frequently caused, secondly, the sensor is directly contacted with the conveying belt, abrasion is easily generated during long-term operation, maintenance and replacement are required frequently, and the operation and maintenance cost of equipment is increased. Disclosure of Invention The embodiment of the invention provides a state detection method, device, equipment and medium for a conveyor belt, which are used for accurately and conveniently determining the current state detection result corresponding to the tobacco shred conveyor belt in a tobacco shred production line, avoiding contact state detection, reducing equipment operation and maintenance cost and improving accuracy and efficiency of conveyor belt state detection. In a first aspect, an embodiment of the present invention provides a method for detecting a state of a conveyor belt, including: continuously acquiring a plurality of port video frames of a current conveyor belt through target acquisition equipment, and acquiring video frame rates used for acquiring the plurality of port video frames; performing port identification on each port video frame based on the target port identification model to obtain port position information in each port video frame; determining the position change information of the port in the adjacent port video frames based on the port position information corresponding to the plurality of port video frames; Determining moving speed information of a port in the current conveyor belt based on the video frame rate and the position change information; And comparing the standard state information of the port with the position change information and/or the moving speed information to determine a current state detection result corresponding to the current conveyor belt. Optionally, the method further comprises the steps of comparing rated speed information in the standard state information of the port with the moving speed information to determine a first state detection result corresponding to the current conveyor belt, and/or comparing rated displacement information in the standard state information of the port with the position change information to determine a second state detection result corresponding to the current conveyor belt, and determining the current state detection result corresponding to the current conveyor belt based on the first state detection result and/or the second state detection result. Optionally, the method further comprises the steps that the target collecting device comprises a first collecting device and a second collecting device, the first collecting device is arranged behind a feeding end blanking hopper of the tobacco shred conveying belt in the tobacco shred manufacturing production line, and the second collecting device is arranged in front of a discharging end blanking hopper of the tobacco shred conveying belt in the tobacco shred manufacturing production line. Optionally, the method further comprises the steps of determining a first collection time of the first collection device in the current port connection period and a second collection time of the second collection device in the current port connection period, and determining the current port connection period of the port connection in the current conveyer belt based on the first collection time and the second collection time. Optionally, the port standard state information further comprises a rated port period, the method further comprises the steps of comparing the rated port period with the current port period, determining a third state detection result corresponding to the current conveyor belt, and determining a target state detection result corresponding to the current conveyor belt based on the current state detection result and the third state detection result. Optionally, the output result of the target port identificati