CN100566451C - Zigbee wireless tracking position system and method - Google Patents
Zigbee wireless tracking position system and method Download PDFInfo
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- CN100566451C CN100566451C CNB2007100629329A CN200710062932A CN100566451C CN 100566451 C CN100566451 C CN 100566451C CN B2007100629329 A CNB2007100629329 A CN B2007100629329A CN 200710062932 A CN200710062932 A CN 200710062932A CN 100566451 C CN100566451 C CN 100566451C
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Abstract
This patent is incorporated into radio tracking positioning system with purple-bee technology, for its practical application in zonule wireless security track and localization provides condition.This system is by forming (seeing accompanying drawing) from node device (101), main access point apparatus (102), Surveillance center (103), search and rescue equipment (104) and communication bus (105), carry out information exchange from node device with communication and main access point apparatus or search and rescue equipment, main access point apparatus links to each other with communication bus with Surveillance center.Comprise zifeng modular, antenna, microprocessor, power supply circuits, voltage check device and voice module from node device; Main access point apparatus comprises zifeng modular, antenna, microprocessor, power supply circuits and communication bus interface; Surveillance center comprises information management database, display terminal, acoustic-optic alarm and voice module; Search and rescue equipment comprises zifeng modular, antenna, microprocessor, display module, power supply circuits and PC synchronization module.
Description
Technical field
Patent of the present invention is a kind of radio tracking positioning system, especially purple honeybee (ZigBee) technology has been referred to wherein.
Background technology
Common in the market radio tracking positioning equipment, normally based on technology such as GPS, GSM, WCDMA, it has advantages such as the location is more accurate, and the regional extent of covering is bigger, but shortcomings such as cost height, power consumption height are equally also arranged, and be not suitable for the radio tracking location of zonule.
Purple honeybee (ZigBee) technology be a kind of closely, low complex degree, low-power consumption, low data rate, two-way wireless communication technology cheaply.It adopts the low data rate of 20kbps, 40kbps and 250kbps to communicate, and communication distance can reach 10m to 80m; Work period is short, and has adopted park mode, and power consumption is very low; Adopt the data transmission mechanism of CSMA-CA and full confirmation; Network layer adopts Ad hoc technical protocol, self-organizing is arranged from maintenance function; Equipment search time delay representative value is 30ms, and it is 15ms that dormancy activates the time delay representative value, and vehicular equipment channel access delay is 15ms, is suitable for real-time business.The characteristics of purple-bee technology can reduce following some:
● global range is suitable for;
● can set up provisional equity and connect;
● have good antijamming capability;
● purple honeybee chip module volume is very little, can be integrated into easily in the various device;
● low-power consumption;
● open interface standard;
These advantages of purple-bee technology are for the practical application of its wireless security track and localization in the zonule provides condition.
Summary of the invention
The purpose of this patent provides a kind of radio tracking positioning system, the problem of and zonule location big for workout cost height, power consumption, native system utilization purple-bee technology, possess skills advanced person, volume is little, power consumption is little, cost is low characteristics are for the radio tracking location of zonule provides unprecedented technical foundation.
At present, the Chinese government more and more payes attention to the safety in production of zonules such as colliery, and the life security of coal miner more and more is subjected to the extensive concern of all circles.On the basis of the characteristics of fully analyzing purple-bee technology and zonule radio tracking location, this patent has proposed Zigbee wireless tracking position system, has following function:
● utilize main access point apparatus to carrying out track and localization, thereby monitoring is from the scope of activities of node device from node device.
● main access point apparatus is responsible for the relevant information from node device in its monitoring range is reported Surveillance center.
● when abnormal conditions take place, can initiatively communicate by letter from node device, and its regional extent is provided, send warning message to Surveillance center by main access point apparatus with main access point apparatus.
● in Surveillance center,, allow the staff can in time understand each and move scope of activities from node device for relevant personnel provide friendly display interface.
● Surveillance center's database is preserved each and is moved detailed event trace from node device as the time that enters the time of main access point and leave main access point.
● Surveillance center can be according to present each regional situation, to sending for information about from node device of respective regions, so that in time notify the related personnel to take appropriate measures.
● Surveillance center and from carrying out two-way voice communication between the node.
● when emergency situation took place, the rescue worker can hand search and rescue equipment and search and rescue.Search and rescue equipment near can searching for from node device, and can carry out point-to-point communication.
The technical scheme that patent of the present invention is taked is as follows:
Described Zigbee wireless tracking position system, by main access point apparatus, from node device, communication bus, Surveillance center and search and rescue equipment are formed, from node device attached to tracked object the surface or inner, new enter main access point apparatus control area when one from node device, main access point apparatus is responsible for adding should be from node device, and relevant information reported Surveillance center by communication bus, in main access point apparatus control range certain has been left its control area from node device, main access point apparatus will be made respective handling to it, and information is reported Surveillance center; In addition, when abnormal conditions take place, from node device can also active request and main access point apparatus communicate, main access point reports Surveillance center with the abnormal information of being correlated with in time by communication bus; Simultaneously, Surveillance center and from carrying out two-way voice communication between the node, so that the staff of control centre can take appropriate measures in time; In Surveillance center, for the user provides friendly user interface, can in time show various current informations, and information weight situation is classified, abnormal conditions are provided alarm; When emergency situation took place, the rescue worker can hand search and rescue equipment and search and rescue.Search and rescue equipment near can searching for from node device, and can carry out point-to-point communication; Carry behind the personnel of node device finding, on-the-spot relevant information and personnel state can be deposited in the database of search and rescue equipment, server database final and Surveillance center carries out uploading the search and rescue result synchronously.
Each part of system is described as follows:
(1) from node device: be placed on the surperficial or inner of Be Controlled object, become one, have following function with monitored object physics:
A and main access point apparatus or search and rescue equipment are set up wireless connections, carry out real time communication;
B reports to the police: the Be Controlled object takes place unusual or cell voltage is reported to the police when low, carries out active warning as required;
C power supply: realize external power and rechargeable battery dual power supply, have the low pressure alarming function.External power can be provided by monitored object or miscellaneous equipment;
D has the function of carrying out two way voice communication with Surveillance center.
(2) main access point apparatus: be placed on suitable position, monitored area, can trace into the whole monitored object (from node device) in its overlay area.
ZigBee module in a master's access point apparatus realizes wireless connections with the ZigBee module from node device, and main access point apparatus links to each other by bus with Surveillance center;
B in official hour to positioning monitoring from node device;
C in time reports Surveillance center with the working condition from node device in its control area.
D is when when node and Surveillance center carry out two way voice communication, and main access point serves as function served as bridge, should will send Surveillance center to by bus from the node voice data, again the speech data of Surveillance center is responded to from node device.
(3) communication bus:
A connects the physical equipment of Surveillance center and main access point, for example cable, repeater, junction box etc.;
The b communication bus is responsible for data message and the control information between transmitting, monitoring center and the main access point.
(4) Surveillance center:
A utilizes bus mode to be connected with main access point apparatus;
B sets up each data base management system from the node device positional information;
C control centre computer interface can in time intuitively show each position and state information from node device;
D can carry out sound and light alarm from node device generation abnormal conditions the time;
E can assign control commands corresponding to the relevant range in Surveillance center as required, and and sets up two way voice communication between the node.
(5) search and rescue equipment: hand-hold type moves search and rescue equipment, can trace into the whole monitored object (from node device) in its overlay area.
ZigBee module in a search and rescue equipment realizes wireless connections with the ZigBee module from node device;
B search and rescue equipment can with set up point-to-point the connection from node device, thereby to following the tracks of and locate from node;
C searches and rescues equipment can deposit specified message in local data base;
The database that d searches and rescues equipment can carry out with the database of Surveillance center synchronously, downloads personal information, perhaps uploads the search and rescue result.
Native system also has following characteristics simultaneously:
● the reliability of system: ZigBee has adopted collision-avoidance mechanism, simultaneously for to need the communication service of fixed-bandwidth to reserve dedicated time slot, and competition and conflict when having avoided sending data.The MAC layer has adopted the data transmission mechanism of full confirmation, and the packet of each transmission all must be waited for recipient's affirmation information, guarantees the reliability of system.
● anti-tampering, wrong report: ZigBee adopts DSSS frequency technology of sharing, has advantages such as anti-interference, antinoise, antidamping and security performance are good.
● the influence to other wireless device is little: ZigBee adopts the DSSS technology, and transmitting power is lower, and is therefore very little to other wireless device influence on every side.
● the adjustability of control range: can adjust the monitoring range of main access point by selecting transmitting power.Be generally 10 meters～75 meters, satisfy the native system requirement.
● the fail safe of system: ZigBee adopts the AES-128 encryption technology.
In sum, purple honeybee (ZigBee) radio tracking positioning system innovative point is as follows:
● this radio tracking positioning system has adopted purple honeybee (ZigBee) wireless communication technology, can select controlling object voluntarily, set up the control area on their own; Can be to single target and a plurality of object real-time tracking location, practical, use is flexibly.
● the main access point apparatus of this radio tracking positioning system and all smaller from the volume of node device, and can realize omnidirectional's radio communication, use flexible, convenient.
● this radio tracking positioning system, adopted purple honeybee (ZigBee) omnidirectional wireless communication technology, can guarantee that the Be Controlled object has certain mobility.
● for the application of purple-bee technology on the safety location provides total solution.
Description of drawings
For the present invention being understood easily and realizing that by describing with reference to the accompanying drawings, similar Reference numeral is meant same or intimate parts in all each views in the accompanying drawing now.These accompanying drawings and following detailed description are included in and form the part of specification together, with these embodiment of further signal and explain various principle and advantages, wherein:
Fig. 1 is a Zigbee wireless safety tracing-positioning system block diagram, and described system comprises: from node device 101, and main access point apparatus 102, Surveillance center 103, search and rescue equipment 104 and communication bus 105.
Fig. 2 is from the node device block diagram, comprises from node device: zifeng modular 201, antenna 202, microprocessor 203, power supply circuits 204, voltage check device 205 and voice module 206.
Fig. 3 is from the node device program flow diagram.
Fig. 4 is main access point apparatus block diagram, and main access point apparatus comprises: zifeng modular 401, antenna 402, microprocessor 403, power supply circuits 404 and communication bus interface 405.
Fig. 5 is main access point apparatus program flow diagram.
Fig. 6 is a search and rescue equipment block diagram, and search and rescue equipment comprises: zifeng modular 601, antenna 602, processor 603, display module 604, power supply circuits 605 and PC synchronization module 606.
Fig. 7 is Surveillance center's block diagram, and Surveillance center's equipment comprises: display terminal 701, database server 702, bus transfer interface 703, acoustic-optic alarm 704 and voice module 705.
Embodiment
Zigbee wireless tracking position system, core are main access point apparatus and from two parts of node device, realize wireless connections by purple-bee technology between the two, and effective communication distance is 10～75 meters between the two.
The key technical indexes of Zigbee wireless tracking position system is:
● single main access point apparatus can control from number of node equipment: 1～2
64
● single main access point apparatus is monitored the scope of activities from node device: 10～75 meters (radius)
● from the battery working time of node device: 90 days
● ambient temperature :-10 ℃～50 ℃
The range of application of Zigbee wireless tracking position system is: the radio tracking localizing environment of small area such as colliery, prison, special monitoring place.
With reference to figure 1, purple honeybee (ZigBee) radio tracking positioning system is by forming from node device 101, main access point apparatus 102, Surveillance center 103, search and rescue equipment 104 and communication bus 105.Each part all is that system is indispensable.
With reference to figure 2, form by zifeng modular 201, antenna 202, microprocessor 203, power supply circuits 204, voltage check device 205 and voice module 206 from node device.Described power supply circuits 204 comprise power down, the charge protector of rechargable battery, guarantee power supply for a long time.When external power can be directly obtains and when node device connected external power, power supply circuits 204 can be powered by external power from controlled object, when disconnecting with external power, power supply circuits 204 are powered by inner rechargeable battery, can carry out low-voltage and report to the police.Described zifeng modular 201 meets the requirement of IEEE802.15.4, can in time the positional information of monitored object be reported the main access point apparatus of correspondence, when abnormal conditions take place, can initiatively abnormal information in time be reported main access point apparatus, carry out two-way voice communication by voice module 206 and Surveillance center from node device.
With reference to figure 3, after powering on, at first finish initial work from node device, comprise device id, transmitting channel number, the isoparametric setting of transmitted power.Then, enter normal operating conditions, wait for the connection of main access point or initiatively initiate connection to main access point.When system produces communication event, from the communication event handling procedure of node device execution with main access point apparatus; When system produces alert event, carry out the alert event handling procedure from node device.
With reference to figure 4, main access point apparatus is made up of zifeng modular 401, antenna 402, microprocessor 403, power supply circuits 404 and communication bus interface 405, and its power supply directly obtains from external circuit.Described main access point apparatus can be in real time to carrying out the radio tracking location from node device, and can be connected with control centre by the mode of bus, to report Surveillance center from the relevant location information and the emergency situation reporting information of node device in time, and the information of Surveillance center will be returned to from node device.A described main access point apparatus can with set up wireless connections from node device, can be simultaneously carry out the radio tracking location to a plurality of even hundreds thousand of monitored objects.
With reference to figure 5, main access device is at first finished initial work after powering on, and comprises device id, transmitting channel number, the isoparametric setting of transmitted power.Then, enter normal operating conditions, initiate to connect or handle the connection request of initiating to main access point from node device from node device near.When system produced wireless communication event, main access point apparatus was carried out and communication event handling procedure from node device; When system produced the bus communication incident, main access point apparatus was carried out the bus communication button.onrelease.
With reference to figure 6, search and rescue equipment is by zifeng modular 601, antenna 602, processor 603, display module 604, power supply circuits 605 and PC synchronization module 606.Described power supply circuits 605 comprise power down, the charge protector of rechargeable battery, guarantee power supply for a long time.When emergency situation took place, the rescue worker can hand search and rescue equipment and search and rescue.Search and rescue equipment near can searching for from node device, and can carry out point-to-point communication.Wear behind the personnel of node device finding, on-the-spot relevant information and personnel state can be deposited in the database of search and rescue equipment, database final and Surveillance center carries out uploading the search and rescue result synchronously.
With reference to figure 7, Surveillance center is made up of display terminal 701, database server 702, bus transfer interface 703, acoustic-optic alarm 704 and voice module 705.The mode that the Surveillance center of system adopts data base administration and friendly interface to show, the relevant information of each monitored object can be shown in time, and in needs, send warning message, remind the related work personnel to take corresponding measure, as required, Surveillance center can be to the relevant range transmitting control commands, and by voice module 705 with carry out two-way voice communication from node device.
After system's operation, the zifeng modular of main access point apparatus is by adopting inquiry, page-mode and initiatively reporting pattern from node device, with in its effective control range, set up Radio Link from node device, form a Star Network, main access point apparatus is to carrying out track and localization from node device in its control range, and corresponding information can be reported Surveillance center.Simultaneously, main access point apparatus can add in real time enter in its control range from node device, information is reported Surveillance center; When leaving its control range from node device, deletion is somebody's turn to do from nodal information, and reports to Surveillance center.Want to receive the interpolation solicited message of main access point apparatus from node device, and can in official hour, communicate by letter, report its position and state information in time with main access point apparatus.
Surveillance center is responsible for finishing reception and the processing to each main access point reporting information, and provides friendly interface to administrative staff, allows administrative staff can in time understand the state information of each controlling object current position information and each controlling object.After initiatively send warning message from node device, main access point apparatus passed to Surveillance center by bus, the acoustic-optic alarm of Surveillance center will start.At this moment, the operating personnel of Surveillance center will in time make response, and and carry out two-way voice communication from node device, after confirming near the control area dangerous situation generation is arranged, main access point apparatus in the dangerous situation zone sends the information of withdrawing, after main access point apparatus receives the information of withdrawing, withdraw information from node device broadcasting in control range, prompting is carried from the personnel of node device and is withdrawn.After dangerous situation was removed, the operating personnel of Surveillance center stopped acoustic-optic alarm, and withdrew mandatum cassatorium to the main access point apparatus transmission in dangerous situation zone.
When emergency situation took place, the rescue worker can hand search and rescue equipment and search and rescue.Search and rescue equipment near can searching for from node device, and can carry out point-to-point communication.Carry behind the personnel of node device finding, on-the-spot relevant information and personnel state can be deposited in the database of search and rescue equipment, database final and Surveillance center carries out uploading the search and rescue result synchronously.
Note
1, ZigBee is similar in order to satisfy that transducer etc. is small-sized, the requirement of low-cost InterWorking Equipment, and in December, 2000, IEEE set up IEEE802.15.4 working group.This working group will be devoted to define a kind of low rate wireless connect technology of utmost point low complex degree, cost and the power consumption for cheap fixing, portable or mobile device use.
ZigBee is the commercialization name of this technology just.This name derives from the communication mode of depending on for existence and development that bee colony is used, and honeybee is shared the information such as position, distance and direction of newfound food source by the dancing of jumping the ZigZag shape.
2, AES-128128 position Advanced Encryption Standard (The Advanced EncryptionStandard) algorithm.The most frequently used symmetric cryptographic algorithm is data encryption standard (DES) algorithm, but because the DES key length is shorter, has been not suitable for the requirement of current distributed type open network to the data cryptographic security.New has replaced DES Cipher based on Rijndael algorithm symmetry high-level data Encryption Standard AES.
3, DSSS Direct Sequence Spread Spectrum (Direct Sequence Spread Spectrum; DSSS).Be with original signal " 1 " or " 0 ", the chips that utilizes 32 represents " 1 " or " 0 " position, makes original higher-wattage, narrower frequency become the low-power frequency with wider frequency.
Claims (5)
1. Zigbee wireless tracking position system, by main access point apparatus, form from node device, communication bus, Surveillance center and search and rescue equipment, it is characterized in that: from node device attached to the Be Controlled object the surface or be embedded into the Be Controlled object, all has zifeng modular from node device, main access point apparatus and search and rescue equipment, describedly carry out information exchange from node device with communication and main access point apparatus or search and rescue equipment, main access point apparatus utilizes communication bus and Surveillance center to communicate; Describedly can initiatively send warning message from node device, after main access point apparatus passed to Surveillance center with this warning message by bus, the acoustic-optic alarm of Surveillance center will start; After confirming near the control area dangerous situation generation is arranged, the main access point apparatus of the operating personnel of Surveillance center in the dangerous situation zone sends the information of withdrawing, after main access point apparatus receives the information of withdrawing, withdraw information from node device broadcasting in control range, prompting is carried from the personnel of node device and is withdrawn; After dangerous situation was removed, the operating personnel of Surveillance center stopped acoustic-optic alarm, and withdrew mandatum cassatorium to the main access point apparatus transmission in dangerous situation zone;
Near the search of described search and rescue equipment from node device, and can with carry out point-to-point communication from node device; Find and carry behind the personnel of node device, on-the-spot relevant information and personnel state are deposited in the database of search and rescue equipment, database last and Surveillance center carries out uploading the search and rescue result synchronously;
The key technical indexes of described Zigbee wireless tracking position system comprises: the maximum that single main access point apparatus can be controlled is 2 from number of node equipment
64, single main access point apparatus monitoring is 10～75 meters of radiuses, is that 90 days, ambient temperature are-10 ℃～50 ℃ from the battery working time of node device from the scope of activities of node device.
2. Zigbee wireless tracking position system as claimed in claim 1, it is characterized in that: describedly comprise zifeng modular, antenna, microprocessor, power supply circuits, voltage check device and voice module from node device, described power down, the charge protector that also comprises rechargeable battery from node device; Power supply circuits are zifeng modular, microprocessor and voice module power supply, zifeng modular receives and sends wireless signal by antenna, the signal that the microprocessor processes zifeng modular receives, and the signal that will send is passed to zifeng modular send, voltage check device detects cell voltage in real time, when voltage is lower than threshold value, send cue.
3. Zigbee wireless tracking position system as claimed in claim 2 is characterized in that: when external power directly obtains and when node device connects external power, powered by external power from node device from controlled object; When disconnecting, power by inner rechargeable battery, can carry out low-voltage and report to the police from node device with external power.
4. Zigbee wireless tracking position system as claimed in claim 1 is characterized in that: described main access point apparatus comprises zifeng modular, antenna, microprocessor, power supply circuits and communication bus interface, and main access point apparatus power supply directly obtains from external circuit; Power supply circuits are purple peak module and microprocessor power supply, and purple peak module receives and send wireless signal by antenna; The signal that the microprocessor processes zifeng modular receives, and the signal that will send is passed to zifeng modular send, microprocessor is also communicated by letter with Surveillance center with communication bus interface.
5. Zigbee wireless tracking position system as claimed in claim 1 is characterized in that: described search and rescue equipment comprises zifeng modular, antenna, microprocessor, display module, power supply circuits and PC synchronization module; Power supply circuits are purple peak module, microprocessor and display module power supply, and purple peak module receives and send wireless signal by antenna; The signal that the microprocessor processes zifeng modular receives, and the signal that will send is passed to zifeng modular send, microprocessor also carries out with PC synchronization module and server info database synchronously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100629329A CN100566451C (en) | 2007-01-22 | 2007-01-22 | Zigbee wireless tracking position system and method |
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| CNB2007100629329A CN100566451C (en) | 2007-01-22 | 2007-01-22 | Zigbee wireless tracking position system and method |
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| CN100566451C true CN100566451C (en) | 2009-12-02 |
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| GB201110560D0 (en) * | 2011-06-22 | 2011-08-03 | Sonitor Technologies As | Radio communication system |
| CN105491533B (en) * | 2016-01-11 | 2019-12-24 | 北京联合大学 | Post-earthquake life sign detection search and rescue method and system |
| CN110442205A (en) * | 2019-08-01 | 2019-11-12 | 北京鲲鹏神通科技有限公司 | A kind of data storage analysis method |
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