CN101393685B - Electronic public transport stop board realizing relay type communication by using ISM frequency band - Google Patents
Electronic public transport stop board realizing relay type communication by using ISM frequency band Download PDFInfo
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- CN101393685B CN101393685B CN2008102018682A CN200810201868A CN101393685B CN 101393685 B CN101393685 B CN 101393685B CN 2008102018682 A CN2008102018682 A CN 2008102018682A CN 200810201868 A CN200810201868 A CN 200810201868A CN 101393685 B CN101393685 B CN 101393685B
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Abstract
The invention relates to an electronic bus station board which can realize relay type communication through an ISM public frequency band. The normal station name, line numbers and orderly arranged line drawing marked with the name of each station are arranged on the front side of the board, and a light emitting diode (LED) is embedded below each station name; a circuit board is installed on the back side of the board, and a board-to-board relay type ISM wireless communication module, a board-to-arriving bus ISM wireless communication module, a bus arriving detector and an LED bus stopping position display which are arranged on the circuit board are connected with a microcontroller; and a solar panel and an accumulator module are connected with both the microcontroller and each element circuit on the circuit board. The electronic bus station board has the advantages that the fabrication cost is low, the pollution of the electromagnetic wave is small, and the feed of commercial power isnot needed; not only the real-time information on the position of the coming bus is visually provided for the passengers waiting for the bus, but also the real-time efficient dispatching can be possible for the bus line management department.
Description
Technical field
The present invention relates to a kind of electronic public transport stop board of realizing relay type communication with ISM band, be used for to the city bus real-time information that the passenger provides the vehicle that be about to arrive now to locate what station intuitively of waiting, providing also for the real-time high-efficiency scheduling of public bus network administrative authority may.
Background technology
At present, both at home and abroad as public transit vehicle arrive at a station the forecast electronic station board system mainly contain following two types:
1. " GPS global location+GPRS/CDMA network+short-distance wireless communication " scheme.The mode of intelligence transmission of this scheme is: vehicle determines to pull in through satellite GPS location-＞vehicle with short-distance wireless communication notify station board-＞station board through GPRS or cdma network notice supervisory control desk-＞supervisory control desk is sent to each station board along the line through the GPRS/CDMA network and shows.
2. " GPRS/CDMA network+short-distance wireless communication " scheme.The mode of intelligence transmission of this scheme is: vehicle continue with short-distance wireless communication contact station board-＞when vehicle pulls in station board learn car to-＞station board with GPRS or cdma network notice supervisory control desk-＞supervisory control desk send each station board along the line to show through GPRS or cdma network.
Be not difficult to find out, more than the principal feature of two kinds of schemes 2 points are arranged, the one, station board all utilizes existing GPRS/CDMA communication network with the vehicle information notice supervisory control desk that pulls in, the 2nd, operational vehicle by the GPS location or continue that short-distance radio calls out whether reply to learn whether pull in.Obviously these 2 have also been brought corresponding shortcoming: at first be will produce the operation communication fee by existing GPRS/CDMA Network Transmission information and GPS location; Next is to locate to determine by GPS whether vehicle pulls in has wasted the bearing accuracy of GPS, reaches another station because bus only needs a few minutes just can sail from a station when the road is clear; Be with continuing that wireless calling determines whether vehicle pulls in and pulling in behind the message pick-up again with wireless mode notice each station board along the line at last by the vehicle that supervisory control desk transmits station board, all waste a lot of energy and produced bigger electromagnetic wave pollution again, because the former wireless calling between the station is futile, the latter realizes pulling in vehicle by supervisory control desk, and to exist very big path circuitous redundant for the forwarding of information, obtains this information because the station board adjacent with board that vehicle pulls in must detour from supervisory control desk.
Summary of the invention
The invention discloses and a kind ofly realize that with ISM band the electronic public transport stop board of relay type communication, its purpose are to piece together and transmit the pull in power consumption of information of vehicle by supervisory control desk at the poor efficiency that existing public transport electronic station board system is blindly indiscriminately imitated technology such as GPS global location and GPRS/CDMA mobile communications network to increase dirty existing deficiency.The utility model is from the truth of urban public bus lines, making full use of on the public bus network each station board arranges and the spacing features of smaller one by one, facility that need not licensing by the ISM common frequency band realizes the vehicle real-time transmission of information that pulls in the relay mode between each station board of public bus network, hold concurrently and decide station board whether with the wireless mode and the vehicle exchange message that pulls in whether to pull in by the station board detecting vehicle, thereby the mode with not acquisition frequency resource and the most energy-conservation and minimum electromagnetic pollution has realized that real-time each vehicle of downstream that shows is now located the information of what station board position on each station board along the line, has also realized providing the foundation of real-time management and scheduling to public bus network operation department; Lower owing to whole power consumption of the present invention again simultaneously, thereby solar cell that can be less is independently-powered, thus both exempted the feed construction that civil power was provided to electronic stop plate when installing, also realized the non-maintaining operation of electronic stop plate.
A kind of electronic public transport stop board of realizing relay type communication with ISM band, its station board front is for conventional our station name of station, circuit number and indicate the respectively orderly arrangement wiring diagram of name of station, it is characterized in that: each name of station below is embedded with a LED as indicating each vehicle of downstream now to locate the positional information at what station; The station board reverse side is equipped with a circuit board, and a microcontroller, station board indirect force formula ISM wireless communication module, station board and the ISM wireless communication module between vehicle that arrives at a station, vehicle pull in detector, vehicle parking erect-position light-emitting diode display, solar panel and battery module are housed on the circuit board; Pull in detector, vehicle parking erect-position light-emitting diode display of described station board indirect force formula ISM wireless communication module, station board and arrive at a station between vehicle ISM wireless communication module, vehicle all is connected with microcontroller; Solar panel then both linked to each other with microcontroller with battery module, linked to each other with each element circuit on the circuit board again;
As vehicle when the station board, the vehicle detector that pulls in has vehicle approaching station board with perception, vehicle pulls in, and detector will start station board and the ISM wireless communication module between vehicle that arrives at a station, initiatively sending the close vehicle of contact information and wait replys, if should really belong to this public bus network near vehicle, vehicle will send back to station board with the wireless ISM band of arranging with its license number, station board then one side lights the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display, should be superimposed with our station trade mark sign indicating number near information of vehicles more on the other hand and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module with up ISM band together with the current moment; Otherwise, when vehicle sails out of station board, the vehicle vehicle that detector then stopped perception this station just now that pulls in has sailed out of this station board, station board then elder generation extinguishes the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display, this is sailed out of information of vehicles again and is superimposed with our station trade mark sign indicating number and constantly issues the adjacent station board in upstream through station board indirect force formula ISM wireless communication module with up ISM band together now; In addition, if station board indirect force formula ISM wireless communication module receives the information that the downstream station board transmits from descending ISM band, then on the one hand the vehicle parking location solution in this information collected is read out and send vehicle parking erect-position light-emitting diode display that the LED of the corresponding name of station below of the positive many names of station of station board in arranging is lighted, will receive on the other hand after sending station trade mark sign indicating number in the information is replaced into this station board numbering and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module with up ISM band again;
Wherein pull in detector, vehicle parking erect-position light-emitting diode display of station board indirect force formula ISM wireless communication module, station board and arrive at a station between vehicle ISM wireless communication module, vehicle all is connected with microcontroller; Solar panel then both linked to each other with microcontroller with battery module, linked to each other with each element circuit on the circuit board again.
Described station board indirect force formula ISM wireless communication module can carry out both-way communication with adjacent two station boards on the public bus network, so that stop a little relevant information of current operational vehicle on the transmission line.
The described vehicle detector that pulls in can start the wireless communication module work of station board and the ISM between vehicle of arriving at a station at vehicle when the station board automatically, so that save the energy and minimizing radio-frequency pollution to greatest extent.
Two wireless communication modules on the electronic public transport stop board of the present invention, one as the relay type communication between station board, and another is as the communication of pulling between vehicle and station board, and both are common hand in hand to realize how the to stand real-time transmission of information of vehicle parking.These two kinds of communications are used is short distance ISM common frequency band, and the relay type communication distance between the former station board is about 600M～900M, and the communication distance that the latter pulls between vehicle and station board is about 50M.In addition, vehicle on this electronic stop plate detector that pulls in is to determine whether starting station board and the low coverage wireless telecommunications between vehicle of pulling in as whether pulling in according to vehicle, so that cut down invalid wireless transmit energy to greatest extent and reduce invalid electromagnetic wave pollution, also can improve the utilization ratio of ISM common frequency band simultaneously.
Outstanding advantage of the present invention and good effect are: use public bus network station board sequence construct relay-type communication link, utilize the multiplexing and multichannel in ISM common channel short distance communication frequency septal area characteristics such as switching flexibly, the vehicle parking information of vehicle parking station board perception is real-time transmitted to the adjacent upstream station board, and then transmit step by step until reach terminal the place the management and dispatching chamber, thereby can realize with the station board being the vehicle location of coordinate on all with the basis of short distance low-power communication at each station board, passenger and public traffic management department have brought facility to waiting, compare and depend on GPS/GPRS/CDMA (about its communication distance 3.5KM, emissive power is bigger) etc. the similar system of prior art then to have cost low, need not to move communication fee, electromagnetic wave pollutes little, the power consumptive province, need not many-sided advantages such as civil power feed, give all kinds of big, in, the trip of small city bus passenger efficient operation convenient and public transit vehicle provides a kind of new solution with management.
Description of drawings
Fig. 1 is a kind of cut-away view of realizing the electronic public transport stop board of relay type communication with ISM band of the present invention.
1. vehicle parking erect-position light-emitting diode display, 2. microcontroller, 3. station board indirect force formula ISM wireless communication module, the 4. station board and the ISM wireless communication module between vehicle that arrives at a station, 5. pull in detector, 6. solar panel and battery module of vehicle.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail, but present embodiment is not limited to the present invention, every employing similarity method of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
A kind of electronic public transport stop board of realizing relay type communication with ISM band, its station board is positive to be the information such as orderly arrangement of name of station respectively on conventional our station name of station, circuit number and the circuit, and each name of station below is embedded with what station a LED now locates as indication downstream vehicle positional information; The station board reverse side is equipped with a circuit board, its circuit structure is equipped with a microcontroller 2, station board indirect force formula ISM wireless communication module 3, a station board and the ISM wireless communication module 4 of arriving at a station between vehicle, vehicle pull in detector 5, vehicle parking erect-position light-emitting diode display 1, a solar panel and a battery module 6 as shown in Figure 1 on the circuit board; Pull in detector 5, vehicle parking erect-position light-emitting diode display 1 of station board indirect force formula ISM wireless communication module 3, station board and arrive at a station between vehicle ISM wireless communication module 4, vehicle all is connected with microcontroller 2; Solar panel had both linked to each other with microcontroller 2 with 6 of battery modules, linked to each other with each element circuit on the circuit board again.
In the embodiment of the invention: vehicle parking erect-position light-emitting diode display 1: the red LED luminotron that adopts diameter 5mm; Microcontroller 2: adopt low-power consumption MCU chip; Station board indirect force formula ISM wireless communication module 3: the wireless communication module that adopts 433MHz; The station board and the ISM wireless communication module 4 between vehicle that arrives at a station: the wireless communication module that adopts 2.4GHz; The vehicle detector 5 that pulls in: adopt electret capacitor microphone and operational amplifier to form; Solar panel and battery module 6: adopt small-sized solar cell panel and high-capacity lithium battery to form.
The system ready state: Installation and Debugging finish, open the power switch of electronic public transport stop board of the present invention, set the frequency group selection toggle switch on the station board indirect force formula ISM wireless communication module 3, all LED luminotrons of at this moment visible vehicle parking erect-position light-emitting diode display 1 glittering 2 times simultaneously, the expression station board system is ready.
The system works flow process: as vehicle when the station board, the vehicle detector 5 that pulls in has vehicle approaching station board with perception, vehicle pulls in that detector 5 will start station board and the ISM wireless communication module 4 that arrives at a station between vehicle initiatively sends contact information and waits near vehicle and replying, if should really belong to this public bus network near vehicle, vehicle will send back to station board with the wireless ISM band of arranging with its license number, station board then one side lights the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display 1, should be superimposed with our station trade mark sign indicating number near information of vehicles more on the other hand and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module 3 with up ISM band together with the current moment; Otherwise, when vehicle sails out of station board, the vehicle vehicle that 5 of detectors stopped this station just now with perception that pulls in has sailed out of this station board, station board then elder generation extinguishes the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display 1, this is sailed out of information of vehicles again and is superimposed with our station trade mark sign indicating number and constantly issues the adjacent station board in upstream through station board indirect force formula ISM wireless communication module 3 with up ISM band together now; In addition, if station board indirect force formula ISM wireless communication module 3 receives the information that the downstream station board transmits from descending ISM band, then on the one hand the vehicle parking location solution in this information collected is read out and send vehicle parking erect-position light-emitting diode display 1 that the LED of the corresponding name of station below of the positive many names of station of station board in arranging is lighted, will receive on the other hand after sending station trade mark sign indicating number in the information is replaced into this station board numbering and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module 3 with up ISM band again; Because transmitted breath comprises pull in vehicle license number and the institute's board that pulls in numbering between station board, therefore receive the downstream station board continuously when transmitting a plurality of different vehicle and stopping the information of different station boards when a certain station board, still can be in the positive many names of station of this station board are arranged show that to light below corresponding a plurality of name of station the accurate concentrated area of mode of LED which downstream stations memorial tablet puts vehicle parking is arranged, thereby can allow wait that the passenger accurately grasps current downstream vehicle sail situation so that whether decision waits next again and is about to vehicle of arriving when finding that current parked vehicles is crowded.
Response mode is all adopted in communication between the adjacent station board with the downstream, upstream of station board and the communication between station board and parked vehicles, and it is reliable to guarantee communication also will to carry out frequency hopping with the funtcional relationship of agreement under the commander of microcontroller 2 in case of necessity.
It is that electric energy charges to accumulator that solar panel and battery module 6 are responsible under the management of microcontroller 2 conversion of solar energy, is powered to other circuit modules of station board by accumulator then.
Claims (3)
1. realize the electronic public transport stop board of relay type communication with ISM band for one kind, its station board is positive for conventional our station name of station, circuit number with indicate the respectively orderly arrangement wiring diagram of name of station, and it is characterized in that: each name of station below is embedded with a LED; The station board reverse side is equipped with a circuit board, a microcontroller, station board indirect force formula ISM wireless communication module (3), station board is housed and the ISM wireless communication module (4) between vehicle that arrives at a station, vehicle pull in detector (5), a vehicle parking erect-position light-emitting diode display (1), solar panel and battery module (6) on the circuit board; Pull in detector (5), vehicle parking erect-position light-emitting diode display (1) of described station board indirect force formula ISM wireless communication module (3), station board and arrive at a station between vehicle ISM wireless communication module (4), vehicle all is connected with microcontroller (2); Solar panel then both linked to each other with microcontroller (2) with battery module (6), linked to each other with each element circuit on the circuit board again;
As vehicle when the station board, the vehicle detector (5) that pulls in has vehicle approaching station board with perception, the vehicle detector (5) that pulls in will start station board and arrive at a station ISM wireless communication module (4) between vehicle, initiatively sending the close vehicle of contact information and wait replys, if should really belong to this public bus network near vehicle, vehicle will send back to station board with the wireless ISM band of arranging with its license number, station board then one side lights the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display (1), should be superimposed with our station trade mark sign indicating number near information of vehicles more on the other hand and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module (3) with up ISM band together with the current moment; Otherwise, when vehicle sails out of station board, the vehicle vehicle that detector (5) then stopped perception this station just now that pulls in has sailed out of this station board, station board then elder generation extinguishes the LED of the our station name below in the positive many names of station arrangements of station board through vehicle parking erect-position light-emitting diode display (1), this is sailed out of information of vehicles again and is superimposed with our station trade mark sign indicating number and constantly issues the adjacent station board in upstream through station board indirect force formula ISM wireless communication module (3) with up ISM band together now; In addition, if station board indirect force formula ISM wireless communication module (3) receives the information that the downstream station board transmits from descending ISM band, then on the one hand the vehicle parking location solution in this information collected is read out and send vehicle parking erect-position light-emitting diode display (1) that the LED of the corresponding name of station below of the positive many names of station of station board in arranging is lighted, will receive on the other hand after sending station trade mark sign indicating number in the information is replaced into this station board numbering and issue the adjacent station board in upstream through station board indirect force formula ISM wireless communication module (3) with up ISM band again.
2. a kind of electronic public transport stop board of realizing relay type communication with ISM band according to claim 1, it is characterized in that: the station board indirect force formula ISM wireless communication module on this station board can carry out both-way communication with adjacent two station boards on the public bus network, is used for stop a little relevant information of current operational vehicle on the transmission line.
3. according to claim 1ly a kind ofly realize it is characterized in that the electronic public transport stop board of relay type communication with ISM band: the detector that pulls in of the vehicle on this station board starts the station board and the ISM wireless communication module work between vehicle of arriving at a station during near station board automatically at vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102018682A CN101393685B (en) | 2008-10-28 | 2008-10-28 | Electronic public transport stop board realizing relay type communication by using ISM frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102018682A CN101393685B (en) | 2008-10-28 | 2008-10-28 | Electronic public transport stop board realizing relay type communication by using ISM frequency band |
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| Publication Number | Publication Date |
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| CN101393685A CN101393685A (en) | 2009-03-25 |
| CN101393685B true CN101393685B (en) | 2010-06-23 |
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| CN2008102018682A Expired - Fee Related CN101393685B (en) | 2008-10-28 | 2008-10-28 | Electronic public transport stop board realizing relay type communication by using ISM frequency band |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354039A (en) * | 2012-12-10 | 2013-10-16 | 上海上科信息技术研究所 | Intelligent public transportation system and implementation method thereof |
| CN103198643A (en) * | 2013-03-11 | 2013-07-10 | 四川川大智胜软件股份有限公司 | Embedded high-definition liquid crystal display (LCD) multi-media intelligent electronic station board and station reporting method thereof |
| CN103700260A (en) * | 2013-12-25 | 2014-04-02 | 天津森宇科技发展有限公司 | Self-networking technology-based city bus monitoring guide system |
| CN103871267B (en) * | 2014-03-26 | 2018-05-15 | 东阳市天齐知识产权运营有限公司 | A kind of online bus stop announcement device of bus energy-conserving and its method of work |
| CN113269978A (en) * | 2021-05-19 | 2021-08-17 | 宿迁学院 | Intelligent bus electronic stop board system based on Mesh ad hoc network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2355388Y (en) * | 1999-01-11 | 1999-12-22 | 徐诚 | Dynamic display board for bus station |
| CN2484607Y (en) * | 2001-02-06 | 2002-04-03 | 曾康彬 | Bus-station name-plate capable of prompting passenger next-stop name or the bus |
| CN1665162A (en) * | 2005-04-05 | 2005-09-07 | 武汉虹信通信技术有限责任公司 | ISM frequency band mobile communication frequency shift transmission repeater |
| CN2874666Y (en) * | 2005-05-23 | 2007-02-28 | 胡千里 | Electronic stop sign |
-
2008
- 2008-10-28 CN CN2008102018682A patent/CN101393685B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2355388Y (en) * | 1999-01-11 | 1999-12-22 | 徐诚 | Dynamic display board for bus station |
| CN2484607Y (en) * | 2001-02-06 | 2002-04-03 | 曾康彬 | Bus-station name-plate capable of prompting passenger next-stop name or the bus |
| CN1665162A (en) * | 2005-04-05 | 2005-09-07 | 武汉虹信通信技术有限责任公司 | ISM frequency band mobile communication frequency shift transmission repeater |
| CN2874666Y (en) * | 2005-05-23 | 2007-02-28 | 胡千里 | Electronic stop sign |
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| CN101393685A (en) | 2009-03-25 |
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Granted publication date: 20100623 Termination date: 20111028 |