阅读说明：本技术 一种基于三维图像及视频技术的皮带机物料堆积检测系统 (Belt feeder material piles up detecting system based on three-dimensional image and video technology ) 是由 李铮 戴卫东 绍俊杰 杨成龙 姚伟 张�杰 李函阳 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种基于三维图像及视频技术的皮带机物料堆积检测系统,包括皮带机、高清摄像仪、主控器和视频监测报警装置主机,高清摄像仪、主控器与视频监测报警装置主机之间信号连接,高清摄像仪和视频监测报警装置主机之间信号连接有信号中继传输处理器一,视频监测报警装置主机上信号连接有声光报警器,声光报警器、高清摄像仪、信号中继传输处理器一和视频监测报警装置主机通过隔爆型不间断电源一进行供电,主控器与视频监测报警装置主机之间信号连接有信号中继传输处理器二,信号中继传输处理器二通过隔爆型不间断电源二进行供电。本发明的优点在于：能够实时检测输送机运行状态、检测准确率高、具有预警功能。(The invention discloses a belt conveyor material accumulation detection system based on three-dimensional image and video technology, which comprises a belt conveyor, a high-definition camera, a main controller and a video monitoring and alarming device host, wherein the high-definition camera, the main controller and the video monitoring and alarming device host are in signal connection, a signal relay transmission processor I is in signal connection between the high-definition camera and the video monitoring and alarming device host, an audible and visual alarm is in signal connection with the video monitoring and alarming device host, the audible and visual alarm, the high-definition camera, the signal relay transmission processor I and the video monitoring and alarming device host supply power through a flame-proof type uninterrupted power supply I, a signal relay transmission processor II is in signal connection between the main controller and the video monitoring and alarming device host, and the signal relay transmission processor II supplies power through the flame-proof type uninterrupted power supply. The invention has the advantages that: the conveyor running state can be detected in real time, the detection accuracy is high, and the conveyor running state early warning device has an early warning function.)

1. The utility model provides a belt feeder material piles up detecting system based on three-dimensional image and video technique, includes belt feeder (1), high definition appearance (2), master controller (3) and video monitoring alarm device host computer (4), its characterized in that: the high-definition camera (2), the main controller (3) and the video monitoring and alarming device host (4) are in signal connection, a signal relay transmission processor I (5) is connected between the high-definition camera (2) and the video monitoring alarm device host (4) through signals, the video monitoring alarm device host (4) is connected with an audible and visual alarm (6) through signals, the audible and visual alarm (6), the high-definition camera (2), the signal relay transmission processor I (5) and the video monitoring alarm device host (4) are powered by an explosion-proof uninterrupted power supply I (7), a second signal relay transmission processor (8) is connected between the master controller (3) and the main machine (4) of the video monitoring and alarming device through signals, and the second signal relay transmission processor (8) supplies power through a second explosion-proof uninterrupted power supply (9).

2. The belt conveyor material accumulation detection system based on the three-dimensional image and video technology as claimed in claim 1, characterized in that: high definition appearance (2) of making a video recording are installed in belt feeder (1) coal bunker mouth 1.5~2.5 meters department, high definition appearance (2) one side of making a video recording is equipped with rather than the light filling lamp that cooperates the use.

3. The belt conveyor material accumulation detection system based on the three-dimensional image and video technology as claimed in claim 1, characterized in that: the controller of the belt conveyor (1) adopts a PLC, and the controller of the belt conveyor (1) is in signal connection with the main controller (3).

4. The belt conveyor material accumulation detection system based on the three-dimensional image and video technology as claimed in claim 1, characterized in that: the ground monitoring and alarming device is characterized in that a ground monitoring and managing background (10) is connected to the main controller (3) through signals, and the ground monitoring and managing background (10) is connected with the video monitoring and alarming device host (4) through signals.

5. The belt conveyor material accumulation detection system based on the three-dimensional image and video technology as claimed in claim 1, characterized in that: the main controller (3) is integrated with a processing module, a calculating module, an analyzing module, a storage module and a data transmission module.

Technical Field

The invention relates to the technical field of material accumulation detection systems, in particular to a belt conveyor material accumulation detection system based on three-dimensional image and video technology.

background

The belt conveyor is widely applied in coal enterprises and is an indispensable logistics conveying device for forming a complete production line. In the production process, when a problem occurs at one part, the whole production line is shut down in a related way, and great loss is caused to the production. Therefore, a plurality of protective devices are additionally arranged on the belt conveyer at present, and play a certain role in the production process. However, because the coal production environment is relatively severe, machine parts are easy to rust and fail, and phenomena of missing report and false report often occur, so that no reliable technology is available at present, and common accidents such as coal piling at a feed bin opening and the like can be completely solved. Each production unit mainly relies on manual inspection to find problems, but accidents cannot be avoided due to factors such as insufficient personnel experience, fatigue operation, vacancy, omission and the like, and meanwhile, the labor cost is greatly increased.

Disclosure of Invention

The invention aims to solve the technical problem of providing a belt conveyor material accumulation detection system based on three-dimensional image and video technology, which can detect the running state of a conveyor in real time, has high detection accuracy and has an early warning function.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a belt feeder material piles up detecting system based on three-dimensional image and video technique, includes belt feeder, high definition appearance, master controller and video monitoring alarm device host computer of making a video recording, signal connection between high definition appearance, master controller and the video monitoring alarm device host computer of making a video recording, signal connection has signal relay transmission processor one between high definition appearance and the video monitoring alarm device host computer of making a video recording, signal connection has audible-visual annunciator on the video monitoring alarm device host computer, audible-visual annunciator, high definition appearance, signal relay transmission processor one and video monitoring alarm device host computer supply power through flame proof type uninterrupted power source one, signal connection has signal relay transmission processor two between master controller and the video monitoring alarm device host computer, signal relay transmission processor two supplies power through flame proof type uninterrupted power source two.

As the improvement, the high definition camera is installed in 1.5~2.5 meters department of belt conveyor coal storehouse mouth, high definition camera one side is equipped with rather than the light filling lamp that cooperates the use.

As an improvement, the controller of the belt conveyor adopts a PLC, and is in signal connection with a main controller.

As an improvement, the main controller is connected with a ground monitoring management background through signals, and the ground monitoring management background is connected with a host of the video monitoring alarm device through signals.

As an improvement, the main controller is integrated with a processing module, a calculating module, an analyzing module, a storage module and a data transmission module.

The invention has the beneficial effects that: according to the belt conveyor material accumulation detection system based on the three-dimensional image and video technology, the working pictures of a monitoring area are continuously collected through the camera, and the main controller calculates the ratio of the number Qc of coal particle pixels in an image to the total number Q of pixels in a defined detection area to obtain the relative area S. When the relative area S is larger than a first threshold value Ts1, it is determined that a large coal block or coal piling condition exists in the image, and when the relative area S is larger than a second threshold value Ts2, it is determined that the coal piling condition occurs, and the master controller further sends out an alarm signal, so that the personnel safety is ensured, the occurrence of accidents is avoided, meanwhile, the labor cost is reduced, and the early warning accuracy is improved.

Drawings

FIG. 1 is a schematic structural diagram of a belt conveyor material accumulation detection system based on three-dimensional image and video technology according to the present invention;

Fig. 2 is a schematic diagram of installation positions of a high-definition camera and an audible and visual alarm of the belt conveyor material accumulation detection system based on three-dimensional image and video technology.

Detailed Description

The invention provides a belt conveyor material accumulation detection system based on three-dimensional image and video technology, which comprises a belt conveyor 1, a high-definition camera 2, a main controller 3 and a video monitoring and alarming device host 4, wherein the high-definition camera 2, the main controller 3 and the video monitoring and alarming device host 4 are in signal connection, a signal relay transmission processor I5 is in signal connection between the high-definition camera 2 and the video monitoring and alarming device host 4, an audible and visual alarm 6 is in signal connection on the video monitoring and alarming device host 4, the audible and visual alarm 6, the high-definition camera 2, the signal relay transmission processor I5 and the video monitoring and alarming device host 4 are powered by an explosion-proof uninterrupted power supply I7, and a signal relay transmission processor II 8 is in signal connection between the main controller 3 and the video monitoring and alarming device host 4, and the second signal relay transmission processor 8 supplies power through a second explosion-proof uninterrupted power supply 9.

High definition appearance 2 of making a video recording is installed in 1 coal bunker mouth 1.5~2.5 meters department of belt feeder, 2 one side of high definition appearance of making a video recording is equipped with the light filling lamp rather than the cooperation use, adopts remote non-contact measurement, has improved high definition appearance 2's life greatly, and the supplementary light filling lamp is assisted high definition appearance 2 of making a video recording and is shot, guarantees to shoot image, video definition.

The controller of the belt conveyor 1 adopts a PLC, the controller of the belt conveyor 1 is in signal connection with the main controller 3, and the input end and the output end of the PLC of the controller of the belt conveyor 1 are allocated with corresponding IP addresses, so that the running state and corresponding parameters of the belt conveyor 1 can be checked and modified.

The signal connection has ground control management backstage 10 on the master controller 3, ground control management backstage 10 and video monitoring alarm device host computer 4 signal connection, and ground control management backstage 10 collects data and real time monitoring each equipment's running state, concentrates the demonstration through the visual of data in centralized control room or dispatch room, through setting for unusual alarm value, can look over and monitor all equipment's running state directly perceivedly.

The main controller 3 is integrated with a processing module, a calculating module, an analyzing module, a storage module and a data transmission module, and the processing module is used for preprocessing video information, including image graying and filtering processing, so that subsequent calculation is facilitated; the calculation module calculates the ratio of the number Qc of coal particles in the image to the total number Q of pixels of a demarcated detection area to obtain a relative area S, when the relative area S is larger than a first threshold Ts1, the situation of large coal blocks or coal piling in the image is determined, and when the relative area S is larger than a second threshold Ts2, the situation of coal piling is determined; a video analysis model library is arranged in the analysis module, and the characteristics of the acquired image are automatically identified and analyzed; the data transmission module receives and transmits video and image information. In order to improve the accuracy of calculation and analysis, an analysis mode and an algorithm based on a three-dimensional image recognition technology are constructed to form a special embedded intelligent video analyzer, a common foreign matter characteristic database is intelligently established, an embedded algorithm set is formed through three-dimensional image algorithm recognition and model training, and the database is continuously updated according to recognized data, so that the recognition accuracy of the algorithm is improved.

The working principle of the invention is as follows: when the belt conveyor material accumulation detection system based on the three-dimensional image and video technology is used, a high-definition camera erected above a coal bunker opening is used for continuously collecting working pictures of a monitoring area, and a main controller calculates the ratio of the number Qc of coal particle pixels in an image to the total number Q of pixels in a defined detection area through preprocessing (including image graying and filtering), so that a relative area S is obtained. When the relative area S is larger than a first threshold Ts1, determining that a large coal block or coal pile condition exists in the image, and when the relative area S is larger than a second threshold Ts2, determining that the coal pile condition occurs. In order to improve the accuracy, an analysis mode and an algorithm based on a three-dimensional image recognition technology are constructed to form a special embedded intelligent video analyzer, a related video analysis model library and an algorithm set are embedded into the analyzer, and the characteristics of the acquired image are automatically recognized and analyzed. The method comprises the steps of intelligently establishing a common foreign matter characteristic database, forming an embedded algorithm set through three-dimensional image algorithm identification and model training, continuously updating the database according to identified data, and improving the identification accuracy of the algorithm. And transmitting the real-time video information to a data signal relay transmission processor and an earth surface monitoring management background center for displaying. If the belt below the conveyor unit is suddenly stopped and the belt above the conveyor unit continues to produce or a large material blocks the bin opening (the coal flow of the discharging bin opening exceeds the set height and time), the video monitoring device sends out an alarm and a stop signal. The ground monitoring management background can check the running state of the real-time high-quality display conveyer belt on line and realize the storage of large-capacity data. A multi-way switching mode, a history recording playback, and the like are supported. The system has the function of displaying images by a display, users in the local area network can browse and access video images on a computer, and the user authority adopts a centralized management mode to uniformly manage and set parameters, authority and the like. The database of the normal operation characteristics and the deviation characteristics of the conveying belt is intelligently established, so that the historical statistics and the characteristic construction of deviation abnormity are realized, and the deviation monitoring is more accurate. The distance between the high-definition camera and the coal bunker opening is 1.5-2.5 m, and the service life of the measuring instrument is greatly prolonged through long-distance non-contact measurement.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.