A tracking control system for long-distance belt transmission line
A tracking control and transmission line technology, applied in conveyor control devices, conveyors, conveyor objects, etc., can solve problems such as multiple packages, jams, and fewer packages, and achieve the effect of improving the level of automation
Active Publication Date: 2019-06-11
CHINA POST SCI & TECH
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Problems solved by technology
[0005] (2) The physical size, weight, and shape of the parcels actually handled are often very different, and at the same time, due to the shape, tumbling, and jamming of the mail during the transmission process, interference signals will be generated during photoelectric detection;
[0006] (3) During the mail transmission process, due to the frequent start and stop of the motors of each section, there will be phenomena such as squeezing and slipping
The existence of the above problems will cause "multiple packets", "few packets" and "jamming" when tracking transmission
Method used
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[0022] The whole system of the present invention adopts the segment tracking method, and establishes a data stack in each segment for processing the mail of this segment. It is necessary to record the time of each email entering this section, the gap before and after, the length of the email, the unique tracking code, the current location and other information, and pre-judge the time and location of each email entering the next section.
[0023] The photoelectric signal is detected every 10 milliseconds at the exit of each section, and various logic processes are performed according to the state of the mail header, mail tail, the upper and lower sections and this section in the mail, and the motor start and stop conditions.
[0024] At the same time, the speed and start and stop of the motor should be determined according to the status of the front and rear sections and this section. There are 9 ways to stop the motor:
[0025] (1) emergency stop
[0026] (2) Idle shutdown (...
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Provided is a tracking control system for a long-distance belt conveying line. The long-distance belt conveying line is composed of a plurality of belt conveyor sections. The tracking control system comprises an information processor, mirror reversal photoelectronic devices installed on side plates at the tails of the belt conveyor sections correspondingly, and code disk signal detection devices installed on power shafts of the belt conveyor sections correspondingly. Each code disk signal detection device comprises a mechanical code disk and a proximity switch. The information processor is used for establishing a data storage area for each belt conveyor section so as to record mail data of the belt conveyor section, and the mail data comprise the information, such as the time, time interval, mail length, unique tracking code and current position, of each mail having access to the belt conveyor section. The information processor is used for prejudging when and where each mail enters the next belt conveyor section.
Description
technical field [0001] The invention belongs to the technical field of logistics equipment, in particular to a tracking control system for long-distance belt transmission lines. Background technique [0002] Now there are more and more applications of belt transmission lines in the logistics industry, but most of the transmission lines are simply transported, and then manually sorted or packaged, which restricts the improvement of the automation level of the entire industry. Even if a few packages are tracked and controlled by sensors, most of them are short-distance and regular package transmissions. At present, my country has bottlenecks in the tracking and control of transmission lines under long-distance, irregular packages, and complex conditions. [0003] In short-distance transmission lines or regular, standard mail can be processed by the traditional first-in-first-out (FIFO) method. However, there are the following problems in actual use: [0004] (1) For transmi...
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IPC IPC(8): B65G43/08
CPCB65G43/08B65G2203/044
Inventor 王宏庆邬建中余飞
Owner CHINA POST SCI & TECH