CN101266716A - An intelligent car position guidance system and method based on Zigbee network - Google Patents
An intelligent car position guidance system and method based on Zigbee network Download PDFInfo
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- CN101266716A CN101266716A CNA2008101049522A CN200810104952A CN101266716A CN 101266716 A CN101266716 A CN 101266716A CN A2008101049522 A CNA2008101049522 A CN A2008101049522A CN 200810104952 A CN200810104952 A CN 200810104952A CN 101266716 A CN101266716 A CN 101266716A
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Abstract
The invention discloses an intelligent parking guidance system and method based on Zigbee network, belonging to wireless smart security control filed. The inventive system comprises a background management system, a coordinator, a router, a detection terminal, an information guide controller and a display screen; wherein, the coordinator is in data connection with the background management system; the detection terminal is directly in data connection with the coordinator through a single router or multiple routers, the information guide controller is in data connection with the router and the display screen. The inventive system is in line with the Zigbee protocol standard. The invention also discloses an intelligent parking guidance method: wherein, the detection terminal detects parking information and sends the information to the background management system; the background management system processes the information and sends control information to the information guide controller; the information guide controller processes the control information and guides the display screen to display the parking information. The invention can be used for intelligent parking guidance.
Description
Technical field
The present invention relates to a kind of intelligent car position guidance system and a kind of intelligent car position bootstrap technique based on the Zigbee network based on the Zigbee network.Belong to intelligent wireless security control field.
Background technology
Zigbee (purple-bee technology) is a kind of new short-distance wireless communication technology, has the advantage that cost is low, volume is little and low in energy consumption, it is operated in three frequency ranges, they are respectively 868MHz, 915MHz and 2.4GHz, wherein 2.4GHz is industry, science, medical science (ISM) frequency range of global general-use, message transmission rate is 250kbps on this frequency range, on this frequency range, set up wireless personal-area network (WPAN), have and install easily, short haul connection, advantages such as data transmission is reliable are one of one preferred technique of setting up radio sensing network.
In order to save cost, to reduce difficulty of construction and extended network handling capacity, common solution is by the different network interface of third party's Network integration, for example, adopt the CDMA module to expand network, improve the complexity of network, increased expense, strengthened cost.
The cable network guidance system of existing employing RS-485 industrial bus, exist loaded down with trivial details, the long construction period of construction (integral cycle be around more than), work progress to the influential problem of the daily operation in parking lot, be not suitable for existing technological transformation in the operation parking lot.
Guidance system of the present invention has then been avoided the problems referred to above fully, after only need in the passage of parking lot, laying good basic wireless network and debugging by (can finish in general two days), sensor installation gets final product (as long as the parking stall does not have car one by one on the parking stall, two or three minutes just can install and open networking), install a bit, open a bit, do not influence the parking lot operation, be highly suitable for the technological transformation in existing parking lot.The demand of quick operation is enabled in the rapid construction that equally, also is fit to newly-built parking lot fast.
Summary of the invention
The present invention has overcome shortcoming of the prior art, provide a kind of based on the Zigbee network intelligent car position guidance system and based on the intelligent car position bootstrap technique of this system.
System of the present invention comprises with lower member:
Background management system, telegon (Coordinator is called for short CD), router (Router is called for short RD) is surveyed terminal (End device is called for short ED), guidance information controller (SD) and display screen; Wherein said telegon data connect background management system; Survey the terminal immediate data and connect telegon, or by individual router, or by multiple route data connection telegon; The guidance information controller data connects router; Screen data connects the guidance information controller.As shown in Figure 1.System of the present invention meets the Zigbee consensus standard.
In order to expand intelligent car position guidance system of the present invention, can in system, add the C/R gateway, it meets the Zigbee consensus standard, comprises router and telegon; Adopt asynchronous serial port to set up data between router and the telegon and connect, both distinguish data and connect two adjacent routers in the described multiple route.As shown in Figure 5.
In the system of the present invention, telegon detects the channel group establishing network, CD can select one in 16 channels to come building network after powering on, and these 16 channel frequencys are from being a networking channel every 5MHZ between the 2405MHZ-2480MHZ, and CD can select any one non-busy channel to come building network.
CD receives the Frame from the detection terminal by the router forwarding, and the resolution data bag transmits information to the mutual and processing of background management system with realization information, and the guidance information controller is learnt a routed path, and CD controls display message according to routed path.
Communication is based on the network address in the network, in order to guarantee the correct parsing of data information frame, consider the unique and unchangeability of equipment physical address (MAC Address), no matter how taked the device network address how to change, with the well-determined measure that corresponds to a certain concrete parking stall in the parking lot of MAC Address, this truck space guiding system considers that the uncertainty of parking stall quantity adopts this measure so that control the effectively conversion of each parking space information of accurate recognition of personnel, thereby avoids the parse error of information.
As shown in Figure 2, after the each detection information of ED equipment, all send out then according to this form encapsulation of data frame, the physical address that has carried equipment in Fig. 2 communications protocol frame format is a MAC Address, differentiates different parking space information with this.
In addition, when the personnel that control start background management system for the first time and control software, can dispose the MAC Address of each ED equipment and corresponding map position with it one by one.
In order to guarantee the equipment operate as normal, the information of avoiding hardware fault (the electric weight deficiency is fallen net, power down) to cause is untimely, and the corresponding measure that the present invention takes is:
1.RD and CD all set up one its hang down the information table that is equipped with, regularly detect and hang equipment running status down, the continuous detection for three times when unsuccessful will send exception reporting and control software processes to the upper strata.
2. adopt concatenation-type to report mechanism, effectively avoided the prompting message amount excessive and cause the problem of swelling plug network.
3. for improving the network global reliability, except that the next equipment initiatively reports fault mechanism, also auxiliary with background management system active request lastest imformation mechanism, upper equipment is according to system command, send broadcast packet require all the next equipment again the reported data frame finish registration.
Consider the uncertainty of position in the guidance information controller practice of construction, thereby influence the reception and registration of control information that in order to show effective guidance information in real time, the measure that the present invention takes is:
1. unifying to hang the guidance information controller under C/R gateway down-hanging guidance information controller and the single net CD is a treatment mechanism.
The C/R gateway is the equipment that asynchronous serial port carries out communication that passes through of a RD and a CD equipment composition, meets the Zigbee consensus standard.Itself can set up Wireless Personal Network (WPAN), itself be in again among the another one WPAN simultaneously, being responsible for coordinating to connect different zigbee networks is a network, and as shown in Figure 3, gateway is connected to a zigbee network with net one and net two.
In order to realize that gateway down-hanging guidance information controller and single net CD hang the guidance information controller down is a treatment mechanism, and the measure that the present invention takes is:
As shown in Figure 4, it is a kind of packet structure that unified gateway down-hanging guidance information controller and single net CD hang guidance information controller report routing iinformation down, when being that single net CD is when hanging the guidance information controller down, its routing iinformation that reports directly is sent to CD, CD subcontracts background management system and controls software and process, when gateway down-hanging guidance information controller, the routing address that can carry gateway in its routing iinformation that reports is reported to CD together, treatment scheme after the CD just and single net CD the treatment scheme of extension guidance information controller is consistent down, the length of different is exactly frame payload among Fig. 4 can increase, but whole frame structure is still unified, and CD will do identical dissection process.
2. adopt intelligent routed path search, the guidance information controller is sought shortest path, and each guidance information controller path is upgraded with the conversion of actual environment and network condition is flexible automatically, always can guarantee the accuracy of routed path.
In order to realize that the flexible automatically of routed path upgrades with the shortest, the measure that the present invention takes is:
(1) as shown in Figure 4, guidance information controller routed path information has only comprised the address of itself routing address and each gateway of its process, and the routing iinformation that reports can apply for that automatically internal memory comes access according to the path of its actual process.
(2) when routed path has renewal, changed the position such as this guidance information controller, at this moment routed path will change, we have taked after the guidance information controller powered on 3 seconds, send once its routed path information in network, subsequently every 1 minute, gather once its path information submission again and handle to CD, guaranteed routing information in real time and accuracy.
3. Zhi Neng display message mechanism, the guidance information controller receives and peels off packet header from the guiding control data frame of background management system, is reduced into a Layer 2 data frame, is removing the SWITCH (switch) that shows different guidance informations then, be encapsulated as several frame guidance informations, input is gone out.
4. background management system is learnt routed path, and the path is delivered in the CD classification, and final guidance information controller identifying purpose address is itself, stops to continue routed path, transmits and guides control information
The present invention organically combines common MCU (microprocessor), RF (radio frequency) chip and sensing equipment, utilizes the advantage of each device, realizes data acquisition, transmission, forwarding and processing at a high speed,
Compare with prior art, advantage of the present invention is:
The present invention allows the user to pass through transparent gateway (C/R) to come the extended network coverage, and imperceptible its existence more not be used in and does any variation in the user environment.And, the present invention can make tangible minimizing on the time of constructing and keeping network, expense, substantial raising is arranged in the dirigibility of network change, and do not need to train the user and how to use gateway and telegon, and the present invention has saved the loaded down with trivial details of wiring in the transmittance process of guidance information, improved efficient on operability.In addition, the invention provides good protocol port, such as wanting that being used for controlling the guidance information controller just can realize according to frame structure package shown in Figure 4, conveniently provides generic services.
Description of drawings
Fig. 1 is a system network architecture synoptic diagram of the present invention;
Fig. 2 is the communication data frame format;
Fig. 3 is the synoptic diagram of C/R gateway in network;
Fig. 4 is a guidance information controller report routing iinformation encapsulated frame form;
Fig. 5 is a present embodiment system network architecture synoptic diagram;
Wherein, the 1-router, the 2-telegon, 3-surveys terminal, 4-guide controller and display screen, 5-background management system, 6-C/R gateway
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 5 is a present embodiment system network architecture synoptic diagram.The present embodiment system comprises background management system, telegon, and router, the C/R gateway is surveyed terminal, guidance information controller and display screen; Wherein the telegon data connect background management system; Survey the terminal immediate data and connect telegon, or pass through individual router, or connect telegon by multiple route data: the C/R gateway is arranged in multiple route; The guidance information controller data connects router; Screen data connects the guidance information controller.The present embodiment system meets the Zigbee2006 consensus standard.
The parking stall boot process flow process of present embodiment system is specific as follows:
ED sends the detection information process to far-end CD:
1.ED detection information, whether be up-to-date information, be then to send data to RD if detecting, and RD detects and throws in address (destination address), through multitiered network, after gateway (C/R) is transmitted to other networks.
2. the router in other networks is transmitted to telegon after receiving detection information from C/R, and whether telegon takes out the packet command code, resolve correct.
3. detecting is detection information from ED, and telegon is stamped the packet header that background management system can be resolved to Frame, sends this Frame.
SD sends the process of routed path to far-end CD:
1.SD the address of record own, the beginning route search.
2. during via C/R, carry routed path, continue reporting information.
3.CD receive Frame, judge whether from SD.
4. detect successfully, stamp packet header, input is gone out, and search finishes.
SD receives the frame process from far-end CD:
1.CD reverse routed path, via RD and C/R, SD receives packet, removes packet header, is reduced into two layers Frame, the learning frame content, and the resolve command sign indicating number is resolved demonstration guidance information SWITCH, removes SWITCH, encapsulation guidance information frame (LIF).
2.LIF put in place, pass to display screen by UART (asynchronous serial port) and finish the parking stall bootup process.
Claims (11)
1. the intelligent car position guidance system based on the Zigbee network adopts the Zigbee consensus standard, it is characterized in that described system comprises:
Background management system, telegon, router is surveyed terminal, guidance information controller and display screen; Wherein said telegon data connect background management system; Survey the terminal immediate data and connect telegon, or by individual router, or by multiple route data connection telegon; The guidance information controller data connects router; Screen data connects the guidance information controller.
2. the system as claimed in claim 1 is characterized in that, described detection terminal connects telegon by multiple route data; Described system also comprises the C/R gateway, this C/R gateway meets the Zigbee consensus standard, in establish router and telegon, adopt the asynchronous serial port data to connect between the router of described C/R gateway and the telegon, data connect two adjacent routers in the described multiple route respectively.
3. system as claimed in claim 1 or 2 is characterized in that, described Zigbee agreement is the Zigbee2006 agreement.
4. intelligent car position bootstrap technique based on the Zigbee network comprises:
A) survey end-probing parking space information and directly pass through telegon, or through individual router, or multiple route, or the multiple route that comprises the C/R gateway that meets the Zigbee consensus standard sends to background management system by telegon with this information;
B) background management system is handled the information from telegon, by same paths control information is sent to the guidance information controller;
C) the guidance information controller is handled this control information and is guided display screen to show parking space information.
5. method as claimed in claim 4 is characterized in that, described detection terminal judges after detecting parking space information whether it is up-to-date, surveys terminal and only up-to-date information is sent to background management system.
6. method as claimed in claim 4 is characterized in that, also comprises the guidance information controller in the step a) and sends its routed path to background management system, and its step comprises:
Guidance information controller record self MAC address, and beginning route search; If routed path comprises the C/R gateway, during then via the C/R gateway, the routed path that carries the network at this guidance information controller place continues reporting information; Telegon is received this routing iinformation and is judged after it is from the guidance information controller and forwards it to background management system.
7. method as claimed in claim 6 is characterized in that, the guidance information controller sends its routed path to background management system and adopts following update mechanism:
After the guidance information controller work 3 seconds, send once its routed path; Every 1 minute, gather a routing information again and report to background management system subsequently.
8. method as claimed in claim 4 is characterized in that, surveys on terminal and the guidance information controller at each, and its MAC Address has all been bound the positional information of equipment.
9. method as claimed in claim 8 is characterized in that, being bundled in when described background management system starts of described MAC Address and positional information carried out.
10. method as claimed in claim 4 is characterized in that, router and telegon are all set up and hung information table fully under it and regularly detect these extension equipment running status down, and when three detections are unsuccessful, to background management system report relevant information.
11. method as claimed in claim 4, it is characterized in that, if the routed path between guidance information controller and the telegon comprises the C/R gateway, then the guidance information controller of C/R gateway down-hanging adopts identical packet structure with the routing iinformation that guidance information controller that telegon is hung down generates.
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| CNA2008101049522A CN101266716A (en) | 2008-04-25 | 2008-04-25 | An intelligent car position guidance system and method based on Zigbee network |
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| CNA2008101049522A CN101266716A (en) | 2008-04-25 | 2008-04-25 | An intelligent car position guidance system and method based on Zigbee network |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977447A (en) * | 2010-10-19 | 2011-02-16 | 杭州电子科技大学 | ZigBee intelligent gateway for large-scale networking and implementing method thereof |
| CN102226933A (en) * | 2011-05-25 | 2011-10-26 | 电信科学技术研究院 | Parking route guidance method and device |
| CN102437903A (en) * | 2011-08-03 | 2012-05-02 | 杭州电子科技大学 | Multi-node coordination communication method being applicable to intelligent vehicle |
| CN102542842A (en) * | 2012-02-17 | 2012-07-04 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN102610123A (en) * | 2012-03-09 | 2012-07-25 | 郭丰亮 | Parking lot management system based on Zigbee and light emitting diode (LED) visible light communication |
| CN102622911A (en) * | 2012-04-18 | 2012-08-01 | 复旦大学 | Parking management guiding screen for cloud system |
| CN102855772A (en) * | 2012-09-11 | 2013-01-02 | 江苏大学 | Intelligent parking control system based on hybrid network structure |
| CN103280121A (en) * | 2013-06-21 | 2013-09-04 | 曲占超 | Intelligent parking lot system based on internet of things technology and work method thereof |
| CN103310657A (en) * | 2013-05-30 | 2013-09-18 | 同济大学 | Self-adaptive parking space detection method based on ZigBee technology |
| CN103390352A (en) * | 2012-09-27 | 2013-11-13 | 深圳市捷顺科技实业股份有限公司 | Terrestrial magnetism carport detector and detecting system |
| CN103440784A (en) * | 2013-09-22 | 2013-12-11 | 江苏省交通规划设计院股份有限公司 | Parking information sensing and guiding system of underground space and operation method thereof |
| CN103544847A (en) * | 2012-07-12 | 2014-01-29 | 上海城际互通通信有限公司 | ZIGBEE and LBS (location based service) based mobile parking information guide system |
| CN104166379A (en) * | 2013-05-20 | 2014-11-26 | 中国国际海运集装箱(集团)股份有限公司 | Integrated network monitoring system and integrated network monitoring method for logistics vehicles |
| CN105243873A (en) * | 2015-11-16 | 2016-01-13 | 上海电机学院 | Intelligent parking space management system for residence community |
| CN111260802A (en) * | 2020-01-16 | 2020-06-09 | 淄博职业学院 | Parking lot intelligent control method and system based on wireless communication network |
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2008
- 2008-04-25 CN CNA2008101049522A patent/CN101266716A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977447A (en) * | 2010-10-19 | 2011-02-16 | 杭州电子科技大学 | ZigBee intelligent gateway for large-scale networking and implementing method thereof |
| CN101977447B (en) * | 2010-10-19 | 2013-02-13 | 杭州电子科技大学 | ZigBee intelligent gateway for large-scale networking and implementing method thereof |
| CN102226933A (en) * | 2011-05-25 | 2011-10-26 | 电信科学技术研究院 | Parking route guidance method and device |
| CN102437903A (en) * | 2011-08-03 | 2012-05-02 | 杭州电子科技大学 | Multi-node coordination communication method being applicable to intelligent vehicle |
| CN102437903B (en) * | 2011-08-03 | 2014-03-05 | 杭州电子科技大学 | Multi-node coordination communication method being applicable to intelligent vehicle |
| CN102542842A (en) * | 2012-02-17 | 2012-07-04 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN102542842B (en) * | 2012-02-17 | 2014-11-05 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN102610123A (en) * | 2012-03-09 | 2012-07-25 | 郭丰亮 | Parking lot management system based on Zigbee and light emitting diode (LED) visible light communication |
| CN102622911A (en) * | 2012-04-18 | 2012-08-01 | 复旦大学 | Parking management guiding screen for cloud system |
| CN103544847A (en) * | 2012-07-12 | 2014-01-29 | 上海城际互通通信有限公司 | ZIGBEE and LBS (location based service) based mobile parking information guide system |
| CN102855772A (en) * | 2012-09-11 | 2013-01-02 | 江苏大学 | Intelligent parking control system based on hybrid network structure |
| CN102855772B (en) * | 2012-09-11 | 2014-07-02 | 江苏大学 | Intelligent parking control system based on hybrid network structure |
| CN103390352B (en) * | 2012-09-27 | 2016-04-06 | 深圳市捷顺科技实业股份有限公司 | A kind of geomagnetic parking stall detector and detection system |
| CN103390352A (en) * | 2012-09-27 | 2013-11-13 | 深圳市捷顺科技实业股份有限公司 | Terrestrial magnetism carport detector and detecting system |
| CN104166379A (en) * | 2013-05-20 | 2014-11-26 | 中国国际海运集装箱(集团)股份有限公司 | Integrated network monitoring system and integrated network monitoring method for logistics vehicles |
| CN104166379B (en) * | 2013-05-20 | 2017-07-07 | 深圳中集智能科技有限公司 | For the integrated network monitoring system and method for logistics vehicles |
| CN103310657A (en) * | 2013-05-30 | 2013-09-18 | 同济大学 | Self-adaptive parking space detection method based on ZigBee technology |
| CN103280121A (en) * | 2013-06-21 | 2013-09-04 | 曲占超 | Intelligent parking lot system based on internet of things technology and work method thereof |
| CN103280121B (en) * | 2013-06-21 | 2016-03-30 | 曲占超 | Based on the method for work of the Intelligent parking lot system of technology of Internet of things |
| CN103440784B (en) * | 2013-09-22 | 2015-12-23 | 江苏省交通规划设计院股份有限公司 | The perception of underground space parking information and inducible system and operation method thereof |
| CN103440784A (en) * | 2013-09-22 | 2013-12-11 | 江苏省交通规划设计院股份有限公司 | Parking information sensing and guiding system of underground space and operation method thereof |
| CN105243873A (en) * | 2015-11-16 | 2016-01-13 | 上海电机学院 | Intelligent parking space management system for residence community |
| CN111260802A (en) * | 2020-01-16 | 2020-06-09 | 淄博职业学院 | Parking lot intelligent control method and system based on wireless communication network |
| CN111260802B (en) * | 2020-01-16 | 2022-03-25 | 淄博职业学院 | Parking lot intelligent control method and system based on wireless communication network |
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