Connection system and method of plug-and-play shelf label network

Abstract

The invention provides a connection system and method of a plug-and-play shelf label network. The system comprises a conductive contact structure of a four-wire busbar, contact springs, a bridge connection device and an end connector, the conductive contact structure is arranged in a guide rail substrate of a shelf, the bridge connection device is between the guide rail substrate and two spliced busbar segments of one shelf, and the end connector is arranged between layers of the shelf and between shelves, and is connected to the main network. The system is simple and reasonable in the integral structure, convenient to install and use onsite, and characterized by plug-and-play, a thickened PCB copper foil replaces a copper bar for confluence, the medium cost is reduced, and production technology is simplified. 24V power supply and a CAN high-speed automobile communication bus are used, the communication speed is improved by 10 times, and the number of labels covered by the bus in each area is increased to 4 times of the original and reaches 128.

Description

technical field [0001] The invention relates to the technical field of the Internet of Things, in particular to a plug-and-play shelf label networking connection system and method. Background technique [0002] At present, the wired data communication of the shelf label network mostly uses the RS-485 communication bus, and there are the following problems: [0003] 1) Most of the above-mentioned shelf label networking needs to be physically connected through bus bars embedded with copper bars, and the cost of media is relatively high; [0004] 2) The shelf label is not easy to plug in and take off on site; the existing commercially available tee T-shaped connector has a problem of too large size, which often exceeds the label installation space; when a point in a bus is poorly connected, it will cause the entire line to be networked Fault; [0005] 3) The existing commercially available copper shrapnel are all used for contacting lithium batteries of mobile phones. The shr...

AI Technical Summary

Problems solved by technology

[0003] 1) Most of the above-mentioned shelf label networking needs to be physically connected through bus bars embedded with copper bars, and the cost of media is relatively high;

[0004] 2) The shelf label is not easy to plug in and take off on site; the existing commercially available three-way T-shaped connector has a problem of too large size, which often exceeds the label installation space; when a point in a bus is poorly connected, it will cause the entire line to be networked Fault;

[0005] 3) The existing commercially available copper shrapnel are all used for contacting lithium batteries of mobile phones. The shrapnel is shaped into an asymmetrical triangle on both sides. If the label slides left and right on the guide rail, the shrapnel will be damaged;

[0006] 4) The currently popular RS-485 communication bus method, in order to avoid communication competition conflicts caused by multiple tags working concurrently, the number of tags covered by the bus in each area is limited to less than 32, resulting in a higher cost per tag allocated to the regional control equipment. high

[0007] 5) Most of the current popular shelf network power supply voltages do not exceed 12V, which limits the number of tags covered by each regional power supply, resulting in an excessively high cost of regional power supply equipment allocated to each label

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