CN100463008C - A GIS-based bus electronic stop sign system - Google Patents

Abstract

Translated fromChinese

基于GIS的公交电子站牌系统，包括车载终端、GIS基站和电子广播站牌，车载终端包括车载控制处理芯片以及与车载控制处理芯片相连接的车辆信息发送芯片、记录上下车人数的红外探测器和存储车辆编号、车载人数的车辆状态存储器、发送车辆即时状态的终端控制按钮；电子广播站牌包括站牌控制处理芯片以及与站牌控制处理芯片相连接的信息接收芯片、电子地图处理芯片、车辆位置计算芯片、车辆位置显示模块。本发明经过电子站牌计算处理后，对每条线路上的所有公交车进行位置的精确定点显示，并即时更新；同时将公交车上的人流信息，车辆运转情况等信息在电子站牌广播栏进行滚动显示。从而让乘客能方便的清楚即将进站的车辆到站时间和车辆运行、人流情况，从而选择好的乘车方式。GIS-based bus electronic stop sign system, including vehicle-mounted terminals, GIS base stations and electronic broadcast stop signs, vehicle-mounted terminals include vehicle-mounted control processing chips, vehicle information sending chips connected to the vehicle-mounted control processing chips, and infrared detectors that record the number of people getting on and off the bus and the vehicle state memory for storing the vehicle number and the number of people on board, and the terminal control button for sending the instant state of the vehicle; the electronic broadcast stop sign includes a stop sign control processing chip and an information receiving chip connected to the stop sign control processing chip, an electronic map processing chip, Vehicle position calculation chip, vehicle position display module. After the calculation and processing of the electronic stop sign, the present invention displays the positions of all the buses on each line at a precise point, and updates them immediately; at the same time, the information on the flow of people on the bus, the operating conditions of the vehicles, etc. are displayed on the broadcast column of the electronic stop sign Scroll display. So that passengers can conveniently know the arrival time of the vehicles that are about to enter the station, the operation of the vehicles, and the flow of people, so as to choose a good way to take the bus.

Description

A kind of public transport electronic station board system based on GIS

Technical field

The invention belongs to the wireless communication technique field, be specifically related to a kind of electronic bus stop board based on generalized information system.

Background technology

Be accompanied by the develop rapidly of national economy, urban population expands day by day, and motor vehicles sharply increase, and the pressure of Urban Transportation is also increasing.No matter be developed country or developing country, this bottleneck has all seriously influenced the comprehensive development in city.Developed countries such as America and Japan Europe just drop into huge fund very early and carry out Bus information Study on Technology and exploitation.The Chinese government has also given great attention to this, ITS (intelligent transportation system) has been built and listed national national economy and social development ＂ 15 ＂ program outlines in, and given the emphasis support as the pioneer field of future transportation construction and development.This is to realizing that extensive traffic growth by single dependence infrastructure expansion is for relying on scientific and technological advances, to raise the efficiency with benefit is the transformation of the intensive transport development of core, realization makes full use of and traffic environment traffic resource, the particularly continuous improvement of urban traffic environment, enforcement continuous development of society economy strategy ensures that the sound development of communications and transportation will be played huge facilitation.Wherein greatly develop public transport, can attract travel amount, change people's trip mode, reduce the magnitude of traffic flow on road surface, eliminate mixed traffic, can thoroughly solve the situation of China's traffic congestion.

Can add up with technology according to U.S.'s industry, perfect informationization can be enterprise and reduces by 12% cost, the managerial personnel of minimizing 10%, raising 10%～15% productive capacity, 4%～20% the profit that increases.And the data processing of enterprises of public transport inside and information processing account for 70% of whole business decision, focus on by computer technology, can make managerial personnel from data-oriented and form steering surface to being material object and market.

Public transport intelligent dispatch management system is the important component part of Bus information system, it is the necessary means that improves the public transport service level, attracts travel amount, having embodied the modern transportation management level in a city, is one of important measures of Chinese transport solution problem.

1, the development of homemade 3S technology

The 3S technology is the abbreviation of GIS, GPS, RS technology.For guaranteeing upgrading in time of spatial data, adapt to the variation requirement that THRIVING URBAN CONSTRUCTION is brought, must comprehensively adopt the 3S technology, utilize RS, GPS technology to carry out the tracking and the measurement of landform, landforms change information, realize upgrading in time and safeguarding of urban GIS basic resource, guarantee the ageing of space resources basic data.Homemade 3S core technology will be played an important role in the basic resource data platform construction of city space.

2, spatial information obtains and treatment technology

Realized integrated application to wireless data communications, basic geography information (GIS), location technology (GPS) and integrated information treatment technology etc., set up travel information service subsystem and city space location and traffic-information service subsystem, support personal digital assistant devices such as all kinds of vehicle mounted guidances, palm PC, mobile phone.

Realized unified navigator fix service center system, moving target has been carried out centralized direction and monitoring, when providing service, also provide the navigator fix service for the public for public security, fire-fighting, rescue and other special vehicle.Set up the traffic-information service subsystem, collection, management and the service of urban transportation integrated information are provided, provide urban transportation and traffic information to the public, the regulation and control traffic resource excavates traffic potential, the service society public.

3, intelligent public transportation system (Intelligent Public Transportation System, IPTS)

IPTS not only brings a brand-new system for us, has also brought brand new concept and brand-new method for designing.The system designer of IPTS must use the theory and the method for systems engineering, stands in the height of ITS, from the angle structure IPTS of the overall situation.And observe the framework of ITS and relevant standard and agreement.

4, existing " electronic stop plate " achievement in research is abundant

In recent years, the achievement in research of " electronic stop plate " is abundant, and simplified summary is as follows:

The electronic stop plate building block has been gradually transformed into the module of division of labor careful by original several simple module: enumerate several examples

(1), remote maintenance update module, deal with data information module, reception control center data message module, document transmission module, time-to-go light display module, LED broadcast message display module, time switch host module and temperature regulating and controlling module

(2), the module formation reported automatically in main control processor, bus routes bus stop map plate, information display screen, radio modem and voice.

It is little that the technology that existing similar patent is used has the coverage, lack dirigibility, the data transmission difficulty, cost of development is big and be subject to interference, and error is big, shortcomings such as data volume is little, what is more important is owing to technology limitation, and the target of the desired realization of electronic stop plate: accuracy shows that Vehicular behavior is not well realized, causes the regular hour to postpone and wrong the forecast, thereby make the passenger not high to the confidence level of electronic stop plate, electronic stop plate has also lost its effect.

Summary of the invention

The objective of the invention is to relevant information in the passenger that waits provides more accurate position of bus report information and bus car, thereby the convenient passenger who waits at platform can be in time according to the display message of electronic stop plate, take oneself the most effective by bus scheme, allow the passenger that waits of public transport platform can Methodistic a kind of public transport electronic station board system of waiting based on GIS.

For achieving the above object, the technical solution used in the present invention is: comprise car-mounted terminal, GIS base station and electronics broadcasting station board, be characterized in that said car-mounted terminal comprises that the information of vehicles to GIS base station transmission vehicle position information that is installed on the interior vehicle-mounted control process chip of car body and is connected with the vehicle-mounted control process chip sends the vehicle-state storer of chip, the infrared eye that writes down the number of getting on or off the bus and store car numbering, vehicle-mounted number, the terminal control knob of transmission vehicle immediate status;

Said electronics broadcasting station board comprises station board control and treatment chip and the information of vehicles that is used to accept the transmission of GIS base station that is connected with station board control and treatment chip, replys the message pick-up chip of confirmation simultaneously, the electronic chart process chip that the up-to-date map that the GIS base station is upgraded shows, the vehicle location computing chip of the information calculations vehicle position information that provides according to the GIS base station, Weather information that transmit information of vehicles that processing is sent by car-mounted terminal and GIS base station and broadcast message display chip and with electronic chart, the vehicle location display module that vehicle location shows.

Station board control and treatment chip of the present invention comprises a command execution chip and a memory buffer; The message pick-up chip comprises message recipient and information cache device, wherein the information cache device is the fixing storage space of each Transporting Arrangement, its total volume is greater than the data total amount of all information of vehicles of time point, adopt the GPRS communication mode, the corresponding channel of each vehicle, and message recipient receives the signal of " missing the stop " vehicle; The electronic chart process chip is solidified with the electronic chart processing module of generalized information system, constitute independently firmware, the use standard is: 20020557-T-466 car borne GPS navigation electronic chart standard, cartographic information is carried out the dot matrix processing, submit station board control and treatment chip to and give the vehicle location display module to handle; The vehicle location computing chip is solidified with the vehicle location computing module of generalized information system, constitute independently firmware, the use standard is: 20010486-T-466 car borne GPS navigation electronic chart standard, the positional information of all these road buses between starting point and terminal point is transferred to the vehicle location computing chip to be handled, and result submitted to station board control and treatment chip, and give the vehicle location display module and handle, this vehicle location computing chip comprises five computing units of the positional information of five different vehicle of parallel computation, be used to store the buffer storage unit of untreated vehicle signal still and the scheduling process chip that the information distribution of each time point is calculated; The broadcast message display chip comprise the source that is used for identifying information and type information identification chip, be used for relevant information is carried out the information processing chip of standardization and the LCDs of roll display broadcast message; The vehicle location display module adopts dot matrix to show.

After the computing of the present invention's process electronic stop plate, the pinpoint that all buses on every circuit is carried out the position shows, and immediate updating; With the people's stream information on the bus, information such as vehicle operation situation are broadcasted the hurdle at electronic stop plate and are carried out roll display simultaneously.Thereby vehicle arrival time that the passenger can easily be known be about to enter the station and vehicle operating, stream of people's situation, thereby the mode by bus that chooses.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a workflow diagram of the present invention.

Embodiment

Below in conjunction with accompanying drawing the present invention is described in further detail.

Referring to Fig. 1, the present invention includes car-mounted terminal, GIS base station and electronics broadcasting station board, said car-mounted terminal comprises the execution various command, call information of vehicles that the vehicle-mounted control process chip 4 of other parts of car-mounted terminal and the employing GPRS communication mode that is connected with vehicle-mounted control process chip 4 send from vehicle position information to the GIS base station send chip 1, record get on or off the bus information such as the infrared eye 2 of number and store car driver numbering, bus number, vehicle-mounted number vehicle-state storer 3, send the terminal control knob 11 of vehicle immediate status;

Said electronics broadcasting station board comprises station board control and treatment chip 5 and be connected with station board control and treatment chip 5 message pick-up chip 6, electronic chart process chip 7, vehicle location computing chip 8, Weather information and broadcast message display chip 9 and vehicle location display module 10;

Station board control and treatment chip 5 is used to carry out various command, calls other parts of electronics broadcasting station board, and this station board control and treatment chip 5 comprises a command execution chip and buffering storer;

Message pick-up chip 6 is used to accept information of vehicles and other advertising messages of base station transmission, reply confirmation simultaneously, this message pick-up chip 6 message recipients and information cache device, wherein the information cache device is the fixing storage space of each Transporting Arrangement, its total volume is greater than the data total amount of all information of vehicles of time point, adopt the GPRS communication mode, the corresponding channel of each vehicle, and message recipient receives the signal of " missing the stop " vehicle;

The up-to-date map that electronic chart process chip 7 is upgraded the GIS base station shows, be cured on the chip by generalized information system, constitute independently firmware, the use standard is: 20020557-T-466 (car borne GPS navigation electronic chart standard), cartographic information is carried out the dot matrix processing, submit station board control and treatment chip 5 to and give vehicle location display module 10 to handle;

Vehicle location computing chip 8 is to calculate vehicle position information according to the generalized information system of solidifying, be cured on the chip by generalized information system, constitute independently firmware, the use standard is: 20010486-T-466 (car borne GPS navigation electronic chart standard), the positional information of all these road buses between starting point and terminal point is transferred to vehicle location computing chip 8 handle, this vehicle location computing chip 8 comprises five computing units of positional information that can five different vehicle of parallel computation; Be used to store the buffer storage unit of untreated vehicle signal still; The scheduling process chip that the information distribution of each time point is calculated is submitted to station board control and treatment chip 5, and give vehicle location display module 10 and handle.

Broadcast message display chip 9 is to handle Weather information and other information of being transmitted by the information of vehicles and the GIS base station of car-mounted terminal transmission, and broadcast message display chip 9 comprises source and the type information identification chip that is used for identifying information; Be used for relevant information is carried out the information processing chip of standardization; The LCDs of roll display broadcast message; The Weather information that shows comprises weather condition, temperature conditions and humidity situation; Vehicle-mounted specific information: target vehicle numbering, transmission reason (traffic hazard, vehicle trouble, service dispute, flash appeal, vehicle stop up);

Vehicle location display module 10 is that electronic chart, vehicle location are shown.Take the accurate display technique of grid, dot matrix shows that it is good to have sharpness, the advantage that accuracy is high.

The GIS base station comprises multiple back-up systems such as satellite navigation system, generalized information system, advertisement information distribution system.

Wherein the infrared eye 2 of car-mounted terminal and terminal control knob 11 provide part video data source for the broadcast message display chip 9 of electronics broadcasting station board; Vehicle-state storer 3 provides calculating parameter for the vehicle location computing chip 8 of electronics broadcasting station board.The GIS base station provides part video data source for the broadcast message display chip 9 of electronics broadcasting station board; The GIS base station provides calculating parameter for the electronic chart process chip 7 of electronics broadcasting station board.And above-mentioned data are all submitted control chip 5 to by the message pick-up chip 6 unified backs that receive of electronics broadcasting station board, distribute to each demonstration, computing chip by control chip 5.

Referring to Fig. 2, message pick-up chip 6 of the present invention deposits in the information cache device by message recipient reception information of vehicles and other broadcast messages from the GIS base station.When new same type data arrive, the information cache device will abandon old data, store new data;

Station board control and treatment chip 5 proposes data by the command execution chip to message pick-up chip 6 in each clock period and accepts applications, and with in the storage data write buffering memory in the information cache device;

Station board control and treatment chip 5 utilizes the command execution chip to judge information source, and does following arrangement: if information of vehicles then calls the position that vehicle location computing chip 8 calculates vehicle; If broadcast message is then called broadcast message display chip 9 display of broadcast information;

Vehicle location computing module 8 writes buffer storage unit with the data in the station board control and treatment chip 5, and gives computing unit by the scheduling process chip with information distribution, calculates the positional information of vehicle;

The vehicle location computing module returns result of calculation to buffer storage unit, and notice station board control and treatment chip 5 calculating operations are finished;

Station board control and treatment chip 5 proposes the processing of map dot matrix by the command execution chip to electronic chart process chip 7;

Electronic chart process chip 7 is finished the processing of map dot matrix, and the 5 perfect lattice calculating of notice station board control and treatment chip;

Station board control and treatment chip 5 proposes the electronic chart refresh process by the command execution chip to vehicle location display module 10, and will " the data submission vehicle location display module 10 of memory buffer.

Vehicle location display module 10 refreshes electronic chart;

Broadcast message display chip 9 is submitted broadcast message to the information Recognition chip, and the back of classifying is submitted to and carried out standardization, and shows by LCDs.

Claims (7)

Translated fromChinese

1.基于GIS的公交电子站牌系统，包括车载终端、GIS基站和电子广播站牌，其特征在于：1. The GIS-based bus electronic stop sign system, comprising a vehicle-mounted terminal, a GIS base station and an electronic broadcast stop sign, is characterized in that:所说的车载终端包括安装于车体内的车载控制处理芯片(4)以及与车载控制处理芯片(4)相连接的向GIS基站发送车辆位置信息的车辆信息发送芯片(1)、记录上下车人数的红外探测器(2)和存储车辆编号、车载人数的车辆状态存储器(3)、发送车辆即时状态的终端控制按钮(11)；Said vehicle-mounted terminal includes a vehicle-mounted control processing chip (4) installed in the vehicle body and a vehicle information sending chip (1) that is connected to the vehicle-mounted control processing chip (4) to send vehicle position information to the GIS base station, and records the number of people getting on and off the vehicle. An infrared detector (2) and a vehicle state memory (3) for storing the vehicle number and the number of people on board, and a terminal control button (11) for sending the instant state of the vehicle;所说的电子广播站牌包括站牌控制处理芯片(5)以及与站牌控制处理芯片(5)相连接的用于接受GIS基站传送的车辆信息，同时应答确认信息的信息接收芯片(6)、将GIS基站更新的最新地图显示出来的电子地图处理芯片(7)、根据GIS基站提供的信息计算车辆位置信息的车辆位置计算芯片(8)、处理由车载终端发送的车辆信息和GIS基站传递的天气信息和广播信息显示芯片(9)和将电子地图、车辆位置显示出来的车辆位置显示模块(10)。Said electronic broadcast stop sign includes a stop sign control processing chip (5) and an information receiving chip (6) connected to the stop sign control processing chip (5) for receiving vehicle information transmitted by the GIS base station and responding to confirmation information at the same time , the electronic map processing chip (7) that displays the latest map updated by the GIS base station, the vehicle position calculation chip (8) that calculates the vehicle position information according to the information provided by the GIS base station, and processes the vehicle information sent by the vehicle terminal and the transmission of the GIS base station A weather information and broadcast information display chip (9) and a vehicle position display module (10) for displaying electronic maps and vehicle positions.2.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的站牌控制处理芯片(5)包括一个命令执行芯片和一个缓冲存储器。2. The GIS-based bus electronic stop sign system according to claim 1, characterized in that: said stop sign control processing chip (5) includes an order execution chip and a buffer memory.3.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的信息接收芯片(6)包括信息接收器和信息缓存器，其中信息缓存器为每个车辆安排固定的存储空间，其总容量大于一个时间点所有车辆信息的数据总量，采用GPRS通信方式，每个车辆对应一个频道，而信息接收器接收“过站”车辆的信号。3. The GIS-based bus electronic stop sign system according to claim 1, characterized in that: said information receiving chip (6) comprises an information receiver and an information buffer, wherein the information buffer arranges a fixed The storage space, whose total capacity is greater than the total amount of data of all vehicle information at a time point, adopts GPRS communication mode, each vehicle corresponds to a channel, and the information receiver receives the signal of the "passing" vehicle.4.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的电子地图处理芯片(7)固化有GIS系统的电子地图处理模块，构成独立的固件，使用标准为：20020557-T-466车载GPS导航电子地图规范，将地图信息进行点阵化处理，提交站牌控制处理芯片(5)并交予车辆位置显示模块(10)处理。4. the electronic bus stop sign system based on GIS according to claim 1, is characterized in that: said electronic map processing chip (7) is solidified with the electronic map processing module of GIS system, constitutes independent firmware, and using standard is : 20020557-T-466 vehicle-mounted GPS navigation electronic map specification, the map information is carried out dot-matrix processing, and the stop sign control processing chip (5) is submitted to the vehicle position display module (10) for processing.5.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的车辆位置计算芯片(8)固化有GIS系统的车辆位置计算模块，构成独立的固件，使用标准为：20010486-T-466车载GPS导航电子地图规范，将所有在起点和终点之间的该路公交车的位置信息交由车辆位置计算芯片(8)处理，并将处理结果提交给站牌控制处理芯片(5)，并交给车辆位置显示模块(10)处理，该车辆位置计算芯片(8)包括并行计算五辆不同车辆的位置信息的五个计算单元、用于存储尚未处理的汽车信号的缓冲存储单元和对各个时间点的信息分配计算的调度处理芯片。5. the electronic bus stop sign system based on GIS according to claim 1, is characterized in that: said vehicle position calculation chip (8) is solidified with the vehicle position calculation module of GIS system, constitutes independent firmware, and using standard is : 20010486-T-466 vehicle-mounted GPS navigation electronic map specification, the position information of all the buses between the starting point and the end point is handed over to the vehicle position calculation chip (8) for processing, and the processing result is submitted to the stop board control process chip (5), and handed over to the vehicle position display module (10) for processing, the vehicle position calculation chip (8) includes five calculation units for parallel calculation of the position information of five different vehicles, for storing unprocessed vehicle signals A buffer storage unit and a scheduling processing chip that distributes and calculates information at each time point.6.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的广播信息显示芯片(9)包括用于识别信息的来源和类型信息的识别芯片、用于对相关信息进行标准化处理的信息处理芯片和滚动显示广播信息的液晶显示屏。6. The GIS-based bus electronic stop sign system according to claim 1, characterized in that: said broadcast information display chip (9) includes an identification chip for source and type information of identification information, for identifying relevant An information processing chip for standardized processing of information and an LCD screen for scrolling and displaying broadcast information.7.根据权利要求1所述的基于GIS的公交电子站牌系统，其特征在于：所说的车辆位置显示模块(10)采用点阵显示。7. The GIS-based electronic bus stop board system according to claim 1, characterized in that: said vehicle position display module (10) adopts dot matrix display.

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