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Intelligent stop board display system of bus station

An intelligent display and display system technology, applied in traffic control systems, traffic control systems of road vehicles, transmission systems, etc., can solve the problems of high equipment cost, poor real-time performance, complex data processing, etc., and achieve reduced wiring engineering, safe high-speed Effect of wireless connection

Inactive Publication Date: 2018-12-07
FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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Problems solved by technology

[0004] The detection of TW A CS signals is mainly based on time-domain difference technology. Most of these methods have complex data processing, poor real-time performance, and high equipment costs. In order to determine whether the signal bit is "1" or "0", due to the rigor of the calculation, the interference signal will seriously affect the judgment result of the detected signal, so the original method is difficult to apply in our country

Method used

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  • Intelligent stop board display system of bus station
  • Intelligent stop board display system of bus station

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Embodiment Construction

[0055] The block diagram of the circuit structure of a bus station intelligent stop sign display system is as follows: figure 2 shown. It consists of a centralized controller and multiple intelligent display stop signs. The centralized controller is composed of a signal sending end A, a signal receiving end B, a 4G wireless router 2 , a keyboard display module 10 and a microcontroller module 1 . The intelligent display stop sign is composed of signal sending terminal A, signal receiving terminal B and nRF905 radio frequency communication module 1. The intelligent display stop sign and the vehicle-mounted controller 7 adopt radio frequency communication. The centralized controller communicates with the intelligent display stop sign using the power line. The terminal is the computer management system located on the top layer, which is composed of 4G wireless router, microcontroller module and computer.

[0056] The hardware structure of the signal sending end A, the signal ...

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Abstract

The invention relates to an intelligent stop board display system of a bus station. The system can be used when a passenger who waits for buses in the bus stations needs to know arrival time of buses.The buses are in nRF905 radio frequency communication with the bus station. An nRF905 radio frequency communication module in the bus station monitors information in the air, and receives arrival data of the buses, and the adjacent buses use different communication frequencies. An AC power supply of the intelligent display stop board takes special-purposed power from street lamps along the road,and a concentrated controller communicates with each intelligent display stop board via a power line, and accesses the mobile wireless communication network via a 4G wireless router.

Description

(1) Technical field: [0001] The present invention relates to an intelligent stop sign display system at a bus station, which includes a centralized controller and various intelligent display stop signs, adopts a power line communication method, and sends a wide pulse signal to a specific point where the cycle voltage of the power grid crosses 0 to generate a sudden change current, which is used as the position of the signal value, the centralized controller receives the data collected by each intelligent display stop sign, and accesses the 4G mobile wireless communication network through a wireless router, so that no matter where you are, you can use mobile phones, computers and handheld mobile devices to realize wireless networking. (two) background technology: [0002] Current power line communication mainly refers to power line carrier communication and two-way power frequency communication. Power line carrier communication PLC uses the existing power line to transmit sig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/123G08G1/127H04B3/54
CPCG08G1/123G08G1/127H04B3/542
Inventor 张金木
Owner FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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