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Radio frequency communication station board system for bus stations

A technology of radio frequency communication and bus station, which is applied in the field of radio frequency communication station sign system of bus station, can solve the problems of poor real-time performance, high equipment cost, difficult application, etc., achieve the effect of safe high-speed wireless connection and reduce wiring engineering

Inactive Publication Date: 2018-10-30
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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  • Radio frequency communication station board system for bus stations
  • Radio frequency communication station board system for bus stations

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Embodiment Construction

[0054] The block diagram of the circuit structure of a radio frequency communication stop sign system at a bus station 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. Radio frequency communication is adopted between the intelligent display stop sign and the vehicle-mounted controller 11 . 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.

[0055] The hardware structure of the sig...

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Abstract

The invention relates to a radio frequency communication station board system for a bus stations. A bus is in communication with a bus station through an nRF905 radio frequency module, the nRF905 radio frequency module of the nRF905 radio frequency module is used for monitoring information in air and receiving arrival data of the bus station. The alternating current power supply of an intelligentdisplay station board derives from a street lamp power supply on the roadside, and an integrated controller is in communication with the intelligent display station board through a power line and is connected to a mobile wireless communication network through a 4G wireless router. A passenger can view arrival condition of each line of the bus through mobile phone APP.

Description

(1) Technical field: [0001] The invention relates to a radio frequency communication stop sign system of 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 passes through 0 to generate a sudden change current, which is used as a signal 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 signals through carr...

Claims

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Application Information

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IPC IPC(8): G08G1/133H04B3/54
CPCG08G1/133H04B3/54
Inventor 张金木
Owner FUZHOU ZHUNDIAN INFORMATION TECH CO LTD
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