CN201556307U - Automatic bus station reporting device based on wireless radiofrequency communication technology - Google Patents
Automatic bus station reporting device based on wireless radiofrequency communication technology Download PDFInfo
- Publication number
- CN201556307U CN201556307U CN2009202457764U CN200920245776U CN201556307U CN 201556307 U CN201556307 U CN 201556307U CN 2009202457764 U CN2009202457764 U CN 2009202457764U CN 200920245776 U CN200920245776 U CN 200920245776U CN 201556307 U CN201556307 U CN 201556307U
- Authority
- CN
- China
- Prior art keywords
- module
- bluetooth
- communication technology
- device based
- public transport
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model discloses an automatic bus station reporting device based on wireless radiofrequency communication technology, which comprises a station bluetooth transmitting end and a vehicle-mounted bluetooth receiving end, wherein the station bluetooth transmitting end comprises a bluetooth transmitting module, the power supply of the station bluetooth transmitting end is provided by an electric supply module; the vehicle-mounted bluetooth receiving end comprises a CPU control unit, and a bluetooth receiving module, a voice control and voice storer and a display control and type matrix storer are connected on the CPU control unit and correspond to the bluetooth transmitting module; the voice control and voice storer is connected with a press key controller and a loudspeaker, and the display control and type matrix storer is connected with an LED display module. The automatic bus station reporting device based on wireless radiofrequency communication technology can utilize only one pair of bluetooth modules to realize the positioning of each bus station, has stable operating mode, simple maintenance and low maintenance cost, and can facilitate traditional hand-operated bus station reporting systems to be reformed.
Description
Technical field
The utility model belongs to automation field, relate to a kind of public transport automatic broadcasting device, particularly a kind of public transport automatic broadcasting device based on the radio frequency communication technology, this device is finished the point-to-multipoint communication of bus station and bus by the blue tooth wireless communication technology, realizes bus automatic broadcasting function in the process of moving.Also utilize LED display and intelligent sound control signal simultaneously, can show in real time with voice suggestion public transport and arrive website, make things convenient for getting on or off the bus of passenger, having cancelled the driver will call out the stops by button and remind the operation of passenger getting on/off, make the driver more be absorbed in the driving of automobile, improve the security of bus travel.
Background technology
21 century is the information age, and each subject intersects infiltration mutually, and mechanical engineering heats up day by day with the competitive power of electronization, and Electronic Control is showing more and more important role in the progradation of modernized paces.
Public transit system is the important component part of traffic system, and by key control, the notice of having disperseed the driver has caused potential safety hazard to a certain extent at flow of the people and the bigger bus station of vehicle flowrate to traditional voice broadcast function by the driver.Simultaneously, traditional voice broadcast does not have screen display, when noise is big in passenger that the sense of hearing is bad or the car, is difficult to clearly obtain the information of arriving at a station, and influences transfer opportunity.In addition, existing automatic bus stop announcing system adopts GPS mostly, GPRS, and technology such as CDMA are as the location approach, and manufacturing cost is higher, and technical difficulty is big, the maintenance cost height.
Summary of the invention
Defective or deficiency at above-mentioned prior art existence, the purpose of this utility model is, a kind of public transport automatic broadcasting device based on the radio frequency communication technology is provided, and this device is finished the website voice automatically and is reported automatically and LED site information Presentation Function by the blue tooth wireless communication technology.
In order to realize above-mentioned task, the utility model is taked following technical solution:
A kind of public transport automatic broadcasting device based on the radio frequency communication technology is made up of website Bluetooth transmission end and on-vehicle Bluetooth receiving end, it is characterized in that:
Described website Bluetooth transmission end comprises a Bluetooth transmission module, and the Bluetooth transmission module provides power supply by supply module;
Described on-vehicle Bluetooth receiving end comprises the CPU control module, on the CPU control module, be connected with bluetooth receiver module, voice control and speech memory, demonstration control and the type matrix storer corresponding with the Bluetooth transmission module, wherein, voice control and speech memory are connected with button controller and loudspeaker, show that control and type matrix storer are connected with the LED display module.
Some other characteristics of the present utility model are:
Described supply module is selected powered battery or solar panel or accumulator for use.
Described Bluetooth transmission module is selected the nRF24E1 chip for use.
Described CPU control module is selected single chip computer AT 89C51 for use.
The described bluetooth receiver module corresponding with the Bluetooth transmission module is the Nrf2401 chip.
Described voice control and speech memory are selected W51300 voice control chip for use.
Described LED display module is made of EPROM27512 and 8255A.
Public transport automatic broadcasting device based on the radio frequency communication technology of the present utility model has the following advantages:
(1) installation cost is low.Automatic bus stop announcing system on the market adopts GPS mostly, GPRS, and CDMA etc. are as the location approach, and cost is higher.The utility model only needs a pair of bluetooth module just can realize the location of each bus station.And can transform traditional manual public transport reporting station system, further reduced cost.
(2) stable working state.As means of communication, the 2.4GHz special frequency channel can effectively be avoided the interference of other wireless device with bluetooth.Simultaneously be not subjected to inclement weather, the influence of the traffic of blocking up.
(3) the Bluetooth transmission module of bus station can adopt the solar panel power supply, economizes on resources the protection environment.
(4) safeguard that simply maintenance cost is low.
Description of drawings
Fig. 1 is a device overall design block diagram;
Fig. 2 is a Bluetooth transmission module nRF24E1 structural drawing;
Fig. 3 is a car-mounted terminal overall circuit structural drawing;
Fig. 4 is the system software process flow diagram.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
1, hardware design
1.1 device overall design
Public transport automatic broadcasting device based on the radio frequency communication technology of the present utility model, The general frame as shown in Figure 1, be divided into website Bluetooth transmission end and on-vehicle Bluetooth receiving end two large divisions.
Website Bluetooth transmission end comprises a Bluetooth transmission module, and the Bluetooth transmission module selects for use the nRF24E1 chip as the website signal source, provides power supply by supply module; The nRF24E1 chip is that the website number information is launched in the 30-40 rice scope towards periphery in the center in real time with the signal source.
The on-vehicle Bluetooth receiving end comprises the CPU control module, on the CPU control module, be connected with bluetooth receiver module, voice control and speech memory, demonstration control and the type matrix storer corresponding with the Bluetooth transmission module, wherein, voice control and speech memory are connected with button controller and loudspeaker, show that control and type matrix storer are connected with the LED display module.
The CPU control module is selected single chip computer AT 89C51 for use, the bluetooth receiver module corresponding with the Bluetooth transmission module is the Nrf2401 chip, single chip computer AT 89C51 receives Bluetooth transmission module nRF24E1 chip emission data by the Nrf2401 chip, and carries out site information by the voice control of AT89C51 Single-chip Controlling and speech memory, demonstration control and type matrix storer and LED screen and show.Realize public transit system automatic broadcasting function.
Each module connected mode as shown in Figure 3, nRF2401 links to each other with the 1 serial pin of single chip computer AT 89C51,3 serial pins control voice control and the speech memories of single chip computer AT 89C51, the 2 serial pins of single chip computer AT 89C51 are then controlled the LED display module.Single chip computer AT 89C51 stable performance is widely used, and cost is low, can finely satisfy system's control requirement.
Device is a core with nRF24012.4G wireless data transmission chip, realizes the wireless telecommunications of website and bus, and antijamming capability is strong, and data rate is fast.The Bluetooth transmission module can realize well that the point-to-multipoint signal transmits.The on-vehicle Bluetooth receiver module that nRF2401 and single chip computer AT 89C51 form provides good assurance for the reception of site information with to the control of subordinate unit.Whole device is strong by antijamming capability, transmits stable wireless blue tooth signal transmitting and receiving technology, has realized the automatic broadcasting function of public transit system, can effectively reduce driver and crew member's workload.Simultaneously, this device adopts components and parts few, and cost is low, and convenient upgrading to existing artificial reporting station system has good application prospects in public transit system.
1.2 website Bluetooth transmission end
Website Bluetooth transmission end mainly comprises the Bluetooth transmission module, and the Bluetooth transmission module provides power supply by supply module; The nRF24E1 chip that the Bluetooth transmission module selects for use Nordic company to produce, the nRF24E1 chip is the radio transceiver chip that a kind of frequency of operation can reach 2.4GHz, operating voltage: 1.9~3.6V, frequency range: 2.4GHz, sensitivity :-105dBm, signal transmission distance: 30-40 rice, debud mode: GFSK; Its structural drawing is referring to Fig. 2.
The nRF24E1 chip comprises: 10 analog to digital converters of enhancement mode 8501 kernels, wireless transceiver 24014,9 road 100KSPS and RC oscillator etc.
Before the device work, site number information-1byte site number can be write in the internal storage space of nRF24E1, in the device operational process, send to the bus travel terminal by nRF2401 Bluetooth transmission module in real time, forming with the website is the signal launch site of the 30m-40m radius at center.Under sending mode, the consumption of nRF2401E1 chip current only is 10.5M, and power consumption is quite low.Therefore, the optional pattern that combines with accumulator with battery powered mode or employing sun power of supply module.In addition, the nRF24E1 chip adopts the sending mode of point-to-multipoint, also can guarantee the stable communication of same website and many public transport.
1.3 on-vehicle Bluetooth receiving end
The on-vehicle Bluetooth receiver module as the CPU control module, connects nRF2401 bluetooth receiver module with single chip computer AT 89C51 simultaneously.When the bus in travelling on public bus network sails the site information launch site into, the bluetooth receiver module begins the receiving station number information, and signal reached the AT89C51 control module, in order to drive voice control and speech memory and LED display module, see car-mounted terminal interface synoptic diagram 3 in detail.In addition, have the situation of many public websites of circuit public transport in the reality, consider the uniqueness of bus operation cost and website management information, identical address number is all adopted in the nRF2401 wireless telecommunications address of all terminals.
1.4 voice control and speech memory
Voice control and speech memory as shown in Figure 3, the W51300 pronounciation processing chip that this module adopts Winband company to produce, operating voltage: 2.5~5.5V, maximum RAM:512K~16M, mode of operation: CPU control with by key control.The 512KB-16MB Flash RAM that this module is plug-in, its record length is the longest to reach 50 minutes.Operating voltage 2.5~5.5V, record length can be regulated on request, and speech intelligibility is good.W51300 provides button and CPU control two kinds of mode of operations altogether, below mainly introduces the CPU control model.W51300 provides can be by 10 kinds of modes of operation of CPU control, and mode of operation is relevant with the umber of pulse that W 51300 is remembered.Pulse counting process with the rising edge of CPU 1 pin signal till the negative edge of 1 pin signal, the 2 pin pulse number during this period that is designated as.Working pulse number and mode of operation corresponding relation are as follows:
1 pulse | Show sound |
2 pulses | Playback |
3 pulses | Voice content is removed |
4 pulses | Stop the recording playback sound |
5 pulses | Storer resets |
1 pulse | Show sound |
6 pulses | System reset |
7 pulses | Read the current address pointer |
8 pulses | Read segment encode |
9 pulses | Deposit the 4B data to storer |
10 pulses | From memory read 4B content |
In addition, because the button that W51300 provides and two kinds of patterns of CPU control.This device under normal circumstances adopts blue teeth wireless control, and in particular cases can adopt the button mode of operation in that system is overdue or malfunctioning etc.
1.5LED display module
As shown in Figure 3, the LED display module selects for use EPROM27512 and 8255A to constitute.Show control and type matrix storer by single chip computer AT 89C51 control, a slice of parallel port expansion simultaneously 8255A.Single chip computer AT 89C51 extends out a slice EROM27512 (64K) in order to stored programme and character pattern data, and capacity is approximately 1600 Chinese characters, can satisfy name of station and other Chinese characters storage needs.When operation device, when the on-vehicle Bluetooth receiving terminal receives website Bluetooth transmission end number information, single chip computer AT 89C51 just controls showing control and type matrix storer by the P1 mouth, realizes the demonstration of site information by the LED display module.
2. software design:
2.1 the software design of platform Bluetooth transmission module
Be integrated with enhancement mode 8051 controllers in the nRF24E1 chip, thus in 8051 controllers the programming program make the nRF24E1 chip constantly outbound platform numbering data get final product.
2.2 on-vehicle Bluetooth receives the software design with processing module
Terminal is in the signal search state generally speaking.When the nRF2401 chip has searched Bluetooth signal, just attempt to set up communication with it.If can be successful, then think the signal that the platform bluetooth module sends and read the platform numbering, disconnect bluetooth communication subsequently with this platform.Processing module is retrieved this platform numbering, if can on on-chip memory, retrieve this site number, then think website on this bus routes of this website, extract this website voice messaging and display message and carry out twice report by single chip computer AT 89C51 chip and show.The on-vehicle Bluetooth receiver module is got back to search pattern after finishing above-mentioned work, when searching the platform Bluetooth signal once more, at first it is judged.If still the numbering of handling last time thinks that then bus does not roll this platform as yet away from, then returns the continuation search pattern.If have new platform numbering to occur, then think promptly to be for further processing the bus approaching next stop.Workflow as shown in Figure 4.
Claims (7)
1. the public transport automatic broadcasting device based on the radio frequency communication technology is made up of website Bluetooth transmission end and on-vehicle Bluetooth receiving end, it is characterized in that:
Described website Bluetooth transmission end comprises a Bluetooth transmission module, and the Bluetooth transmission module provides power supply by supply module;
Described on-vehicle Bluetooth receiving end comprises the CPU control module, on the CPU control module, be connected with bluetooth receiver module, voice control and speech memory, demonstration control and the type matrix storer corresponding with the Bluetooth transmission module, wherein, voice control and speech memory are connected with button controller and loudspeaker, show that control and type matrix storer are connected with the LED display module.
2. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that described supply module is selected powered battery or solar panel or accumulator for use.
3. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that described Bluetooth transmission module is selected the nRF24E1 chip for use.
4. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that described CPU control module is selected single chip computer AT 89C51 for use.
5. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that, the described bluetooth receiver module corresponding with the Bluetooth transmission module is the Nrf2401 chip.
6. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that, described voice control and speech memory are selected W51300 voice control chip for use.
7. the public transport automatic broadcasting device based on the radio frequency communication technology as claimed in claim 1 is characterized in that described LED display module is made of EPROM27512 and 8255A.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202457764U CN201556307U (en) | 2009-12-15 | 2009-12-15 | Automatic bus station reporting device based on wireless radiofrequency communication technology |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202457764U CN201556307U (en) | 2009-12-15 | 2009-12-15 | Automatic bus station reporting device based on wireless radiofrequency communication technology |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201556307U true CN201556307U (en) | 2010-08-18 |
Family
ID=42615994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009202457764U Expired - Fee Related CN201556307U (en) | 2009-12-15 | 2009-12-15 | Automatic bus station reporting device based on wireless radiofrequency communication technology |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201556307U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102568233A (en) * | 2012-02-22 | 2012-07-11 | 毛振刚 | Automatic station reporting system of bus |
CN102592469A (en) * | 2012-02-19 | 2012-07-18 | 南京理工大学常熟研究院有限公司 | Intelligent bus transfer prompting system |
CN103065493A (en) * | 2012-12-20 | 2013-04-24 | 河北省自动化研究所 | Public transportation vehicle automatic station announcement method |
CN103471604A (en) * | 2012-06-08 | 2013-12-25 | 昆达电脑科技(昆山)有限公司 | Method and navigation apparatus for backwards counting doorplate number by voice |
CN108335514A (en) * | 2017-01-19 | 2018-07-27 | 中移物联网有限公司 | A kind of based reminding method and system of vehicle website |
CN109285377A (en) * | 2018-08-31 | 2019-01-29 | 司振国 | The method that three board of bus station based on wireless communication technique and speech synthesis is shown and voice plays |
WO2019056873A1 (en) * | 2017-09-22 | 2019-03-28 | 智易达有限公司 | Station reporting system and method |
-
2009
- 2009-12-15 CN CN2009202457764U patent/CN201556307U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102592469A (en) * | 2012-02-19 | 2012-07-18 | 南京理工大学常熟研究院有限公司 | Intelligent bus transfer prompting system |
CN102568233A (en) * | 2012-02-22 | 2012-07-11 | 毛振刚 | Automatic station reporting system of bus |
CN103471604A (en) * | 2012-06-08 | 2013-12-25 | 昆达电脑科技(昆山)有限公司 | Method and navigation apparatus for backwards counting doorplate number by voice |
CN103471604B (en) * | 2012-06-08 | 2017-03-15 | 昆达电脑科技(昆山)有限公司 | The method of voice back-counting house number and guider |
CN103065493A (en) * | 2012-12-20 | 2013-04-24 | 河北省自动化研究所 | Public transportation vehicle automatic station announcement method |
CN108335514A (en) * | 2017-01-19 | 2018-07-27 | 中移物联网有限公司 | A kind of based reminding method and system of vehicle website |
WO2019056873A1 (en) * | 2017-09-22 | 2019-03-28 | 智易达有限公司 | Station reporting system and method |
CN109547918A (en) * | 2017-09-22 | 2019-03-29 | 智易达有限公司 | Reporting station system and its method |
CN109547918B (en) * | 2017-09-22 | 2020-11-06 | 星贝瑞有限公司 | Station reporting system and method thereof |
US11364942B2 (en) | 2017-09-22 | 2022-06-21 | Starberry Limited | Stop announcement system and method therefor |
CN109285377A (en) * | 2018-08-31 | 2019-01-29 | 司振国 | The method that three board of bus station based on wireless communication technique and speech synthesis is shown and voice plays |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201556307U (en) | Automatic bus station reporting device based on wireless radiofrequency communication technology | |
CN101799979B (en) | All-weather driving service system | |
CN208298009U (en) | A kind of vehicle-mounted V2X device, vehicle and system | |
CN204390492U (en) | A kind of car networking traffic information broadcasting terminals and broadcasting system | |
CN206226731U (en) | A kind of vehicle intelligent cloud mirror system | |
WO2021223312A1 (en) | Public transportation smart monitoring cloud service platform | |
CN103413429B (en) | A kind of public transport vehicle-mounted video monitoring based on davinci platform and dispatching management information system | |
CN2904159Y (en) | GPS automatic station reporting wireless staff instrument | |
CN202948558U (en) | Bus intelligent dispatching system based on mobile phone | |
CN107248311A (en) | For the electronic license plate of the vehicles, parking stall, intelligent parking system and method | |
CN101594771B (en) | Embedded vehicle-mounted GPRS system | |
CN201340660Y (en) | Public transport intelligent terminal | |
CN202075874U (en) | Acquisition terminal of radio frequency vehicle-mounted automatic station reporting device | |
CN205017347U (en) | Many CAN network data collection of [electric] motor coach and wireless transmission device | |
CN103400495B (en) | Davinci platform-based bus multimedia play and video monitoring and scheduling system | |
CN203520631U (en) | High-efficiency vehicle dispatching system | |
CN202696902U (en) | Signal intensity distribution acquiring system, signal intensity distribution acquisition and optimization analysis system | |
CN103679317A (en) | Government vehicle dispatching system | |
CN206235847U (en) | Vehicle monitor terminal and system based on GPRS communications and Big Dipper positioning | |
CN106341148A (en) | Vehicle-mounted wireless communication system based on solar energy | |
CN103413432B (en) | A kind of public transport vehicle-mounted multimedia based on davinci platform and dispatching management information system | |
CN212555899U (en) | Thermal runaway monitoring device, server equipment, convenient terminal and vehicle | |
CN103413430B (en) | Based on public transport multimedia and the schedule management method of davinci platform | |
CN204392235U (en) | A kind of mobile phone type intelligent vehicle mounted terminal | |
CN207663572U (en) | For the electronic license plate of the vehicles, parking stall and intelligent parking system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101215 |