CN202713631U - Wireless real-time positioning system - Google Patents
Wireless real-time positioning system Download PDFInfo
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- CN202713631U CN202713631U CN 201220400288 CN201220400288U CN202713631U CN 202713631 U CN202713631 U CN 202713631U CN 201220400288 CN201220400288 CN 201220400288 CN 201220400288 U CN201220400288 U CN 201220400288U CN 202713631 U CN202713631 U CN 202713631U
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Abstract
The utility model discloses a wireless real-time positioning system, belonging to the field of wireless position. The wireless real-time positioning system comprises a positioning label, positioning base stations, a data transceiver and a server, wherein the positioning label sends signals to the positioning base stations, the positioning base stations are used for measuring distances between the positioning label and each positioning base station, the positioning base stations send signals to the positioning label, then the positioning label sends a signal to the data transceiver, the data transceiver sends the signal to the server through a serial interface, the server sends a signal to the data transceiver through the serial interface, the data transceiver sends the signal to the positioning label, and the positioning label, the positioning base stations and the data transceiver are communicated by adopting the chirp spread spectrum technology. The wireless real-time positioning system greatly reduces the cost, and can realize accurate positioning during the fast moving process, thereby greatly improving the management efficiency of secure positioning for goods.
Description
Technical field
The utility model belongs to wireless positioning field, particularly relates to a kind of wireless real time location system.
Background technology
Quick increase along with data service and multimedia service, people increase day by day to the demand of location with navigation, under outdoor environment, GPS (Global Position System) has almost reached perfect stage, its good positioning accuracy has solved a lot of practical problems, yet under indoor environment, because satellite signal receiving is subject to serious interference, the positioning accuracy of GPS (Global Position System) obviously descends, can not reach the requirement of location, so people begin to seek a kind of substitute technology to satisfy the demand of wireless location under the indoor environment, ultrasonic wave, infrared ray, wireless radio-frequencies etc. all are several major techniques for wireless location under the indoor environment, rise along with REID, people are also more and more to the research of indoor positioning technology, using REID to carry out indoor positioning, to have a cost low, positioning accuracy is high, affected by environment little, transmission range is large, non line of sight is arranged, contact-free, the advantages such as high speed identification, the radio-frequency (RF) identification location technology is mainly used in enterprise personnel at present, assets are followed the trail of and management, hospital is to patient's real-time location, the fields such as storehouse management.
To come label in the identified region scope to reach the purpose of location by the card reader that the fixed position is set based on the real-time positioning system of RFID technology, this system is divided into passive RFID and active RFID, the identification range of active RFID is larger than passive RFID, usually adjustable in 0-80 rice distance, this kind locate mode is a kind of zone location mode, determine that by the coverage of card reader which target enters this scope, can not identify the distance of each tag distances card reader, and the cost of card reader is higher, and is very difficult for real-time tracking and localizing objects motion track.
Real-time positioning system based on ZIGBEE technology also is to adopt based on signal strength values (RSSI) and link-quality (LQI) to be the range finding foundation, come again the location, position of realize target by location algorithm, this kind locate mode is based on a kind of extension of zone location, estimate the distance of tag distances base station with the variation of RSSI value, the commercial system positioning accuracy of such technology is not high at present, the quantity that need set up the base station such as need raising positioning accuracy is more, causes the complexity of network and application cost to increase.
Also there is the untimely defective of alarm indication in existing real-time positioning system, when positioning label leaves the position of target localization base station monitors, positioning label can not carry out alarm indication immediately, in the goods movement process, leave the scope of target localization base station monitors, need the positioning label change in location of monitoring server to the goods, then the information that sends is to client, therefore the personnel of patrolling and examining are difficult to judge immediately which positioning label has left the scope of target localization base station monitors, because data can not in time be fed back, increase the difficulty of asset management, greatly reduced depositing and management security of product.
The utility model content
Because the defects of prior art, technical problem to be solved in the utility model provides and a kind ofly can improve the wireless real time location system that positioning accuracy reduces system cost simultaneously.
For achieving the above object, the utility model provides a kind of wireless real time location system, comprises positioning label, locating base station, data collector and server; Described positioning label sends a signal to described locating base station; Described locating base station is used for by the distance between measurement and the described positioning label; Described locating base station sends a signal to described positioning label; Described positioning label sends a signal to described data collector; Described data collector sends a signal to described server by serial line interface; Described server sends a signal to described data collector by serial line interface; Described data collector sends a signal to described positioning label; Described server has client terminal by Internet connection; Better, described client terminal is computer; Between described positioning label, described locating base station and the described data collector by CSS(Chirp Spread Spectrum, the linear frequency modulation spread spectrum) technology communicates.
Described positioning label comprises the first single-chip microcomputer, the first wireless radio frequency modules and the first power module; The first output of described the first single-chip microcomputer connects the input of described the first wireless radio frequency modules; The output of described the first wireless radio frequency modules connects the input of described the first single-chip microcomputer; Described the first power module is to described the first single-chip microcomputer and the power supply of described the first wireless radio frequency modules.
Described locating base station comprises second singlechip, the second wireless radio frequency modules and second source module; The output of described second singlechip connects the input of described the second wireless radio frequency modules; The output of described the second wireless radio frequency modules connects the input of described second singlechip; Described the second wireless radio frequency modules is connected with antenna by the SMA interface; Described second source module is to described second singlechip and the power supply of described the second wireless radio frequency modules.
Described data collector is comprised of serial line interface, the 3rd single-chip microcomputer, the 3rd wireless radio frequency modules and the 3rd power module, the output of described the 3rd single-chip microcomputer connects the input of described the 3rd wireless radio frequency modules, and the output of described the 3rd wireless radio frequency modules connects the input of described the 3rd single-chip microcomputer; The transmitting terminal of described the 3rd single-chip microcomputer connects the receiving terminal of described serial line interface, and the receiving terminal of described the 3rd single-chip microcomputer connects the transmitting terminal of described serial line interface.
After positioning label enters into the signal coverage areas of locating base station, positioning label active wireless signal emission is to data collector, data collector transmits a signal to positioning label, positioning label sends answer signal to data collector, after data collector is received the answer signal of positioning label, pass the signal to server and finish registration, server sends order to the location label by data collector, positioning label is finished with locating base station and is communicated by letter to carry out range measurement, and the result that will find range is sent to data collector, the range finding result that data collector will be received passes to server, the data that server by utilizing receives calculate the position coordinates of positioning label, and result of calculation is sent to client terminal by the internet.
Because the linear frequency modulation spread spectrum integrates broadband and spread spectrum, have very strong anti-interference, anti-multipath fading, its range accuracy is very high, reduced the difficulty that wireless distance finding is realized, reduced the complexity of equipment, because the linear frequency modulation spread spectrum has increased the coverage distance of locating base station, therefore distance is farther between locating base station of the present utility model, namely can cover with locating base station still less the zone of same range as, significantly reduce cost.
Described the first wireless radio frequency modules is filtered the transmission pulse signal by digital dispersive delay line, this numeral dispersive delay line is responsible for receiving and distinguishing the signal that other wireless radio frequency modules are sent, because digital dispersive delay line can obtain larger channel gain, thereby easily tells pulse signal; Owing to can easily tell pulse signal, wireless radio frequency modules can identify the transmitting time of signal transmission, corresponding return signal time of advent more quickly and accurately.
Further, described positioning label also comprises display module; The second output of described the first single-chip microcomputer connects the signal input part of described display module; Described the first power module is powered to described display module, server sends signal by data collector to described positioning label, and be presented in the display module of positioning label, owing in positioning label, added display module, when positioning label leaves the position of target localization base station monitors along with goods, the personnel of patrolling and examining can check the information in the positioning label confirms whether this positioning label leaves the monitoring range of the locating base station of regulation, so that convenient, the safety of the management of goods.
Further, described positioning label also comprises indicator light; The input of described indicator light connects the 3rd output of described the first single-chip microcomputer, and when the first single-chip microcomputer of positioning label monitored the first power module electric weight deficiency, the described indicator light of transmission level signal conduction made this indicator light send the indication of reporting to the police.
The beneficial effects of the utility model are:
1, distance is farther between the locating base station of the present utility model, namely can cover with locating base station still less the zone of same range as, has significantly reduced cost.
2, the utility model can identify the transmitting time of signal transmission, corresponding return signal time of advent more quickly and accurately, so that positioning label also can be realized accurate location in the fast moving process.
3, the utility model is provided with display module at positioning label, be convenient to the staff and check that the information in the positioning label confirms whether this positioning label leaves the monitoring range of the locating base station of regulation, by positioning label itself with display module come inquiring position information more directly perceived fast, it has improved the efficiency of management of cargo security location greatly.
Description of drawings
Fig. 1 is circuit theory schematic diagram of the present utility model.
Fig. 2 is the circuit theory schematic diagram of positioning label 1.
Fig. 3 is the circuit theory schematic diagram of locating base station 2.
Fig. 4 is the circuit theory schematic diagram of data collector 3.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of wireless real time location system, comprise positioning label 1, locating base station 2, data collector 3 and server 4, described positioning label 1 sends a signal to described locating base station 2, described locating base station 2 is used for by the distance between measurement and the described positioning label 1, described locating base station 2 sends a signal to described positioning label 1, described positioning label 1 sends a signal to described data collector 3, described data collector 3 sends a signal to described server 4 by the RS232 serial line interface, described server 4 has client terminal 5 by Internet connection, described server 4 sends a signal to described data collector 3 by the RS232 serial line interface, described data collector 3 sends a signal to described positioning label 1, described positioning label 1, carry out radio communication by the linear frequency modulation spread spectrum between described locating base station 2 and the described data collector 3.
In the present embodiment, be provided with four locating base station 2, a positioning label 1, data transceiver 3, a station server 4 and a client terminal 5, wherein the quantity of locating base station 2, positioning label 1, data collector 3, server 4 and client terminal 5 can be set according to demand, such as nine locating base station 2, two positioning labels 1, two data transceivers 3, a station server 4 and ten client terminals 5 are set; Client terminal 5 adopts computer realization, and certainly, client terminal 5 also can adopt the equipment such as mobile phone, panel computer to realize as required; It should be noted that described data collector 3 can also pass through the RS485 serial line interface and communicate by letter with described server 4, it should be in the determined protection range by claims.
As shown in Figure 2, described positioning label 1 comprises the first single-chip microcomputer 101, the first wireless radio frequency modules 102, the first power module 103, display module 104 and indicator light 105, the first output of described the first single-chip microcomputer 101 connects the input of described the first wireless radio frequency modules 102, the output of described the first wireless radio frequency modules 102 connects the input of described the first single-chip microcomputer 101, described the first wireless radio frequency modules 102 is filtered the transmission pulse signal by digital dispersive delay line, the second output of described the first single-chip microcomputer 101 connects the signal input part of described display module 104, the 3rd output of described the first single-chip microcomputer 101 connects the input of described indicator light 105, and described the first power module 103 is to described the first single-chip microcomputer 101, described the first wireless radio frequency modules 102 and 104 power supplies of described display module.
It is the single-chip microcomputer of ATMEGA-1280 that the first single-chip microcomputer 101 described in the present embodiment adopts model, certainly, described the first single-chip microcomputer can also adopt the single-chip microcomputer of other AVR series, the single-chip microcomputer of STC series etc., and it all should be in the determined protection range by claims; The NA5TR1 chip that the first wireless radio frequency modules 102 adopts Nanotron company to produce described in the present embodiment realizes that described the first power module 103 adopts chargeable lithium cell, and display module 104 adopts LCDs.
As shown in Figure 3, described locating base station 2 comprises second singlechip 201, the second wireless radio frequency modules 202, second source module 203 and the second indicator light 205, the first output of described second singlechip 201 connects the input of the second indicator light 205, the second output of described second singlechip 201 connects the input of described the second wireless radio frequency modules 202, the output of described the second wireless radio frequency modules 202 connects the input of described second singlechip 201, described the second wireless radio frequency modules 202 is connected with antenna 204 by the SMA interface, described the second wireless radio frequency modules 202 is come receiving and transmitting signal by antenna 204, and described second source module 203 is to described second singlechip 201 and 202 power supplies of described the second wireless radio frequency modules.
It is the single-chip microcomputer of ATMEGA-1280 that second singlechip described in the present embodiment 201 adopts model, certainly, described second singlechip can also adopt the single-chip microcomputer of other AVR series, the single-chip microcomputer of STC series etc., and it all should be in the determined protection range by claims; The NA5TR1 chip that the second wireless radio frequency modules 202 adopts Nanotron company to produce described in the present embodiment is realized.
As shown in Figure 4, data collector 3 is comprised of serial line interface 301, the 3rd single-chip microcomputer 302, the 3rd wireless radio frequency modules 303 and the 3rd power module 304, the output of the 3rd single-chip microcomputer 302 connects the input of the 3rd wireless radio frequency modules 303, and the output of the 3rd wireless radio frequency modules 303 connects the input of the 3rd single-chip microcomputer 302; The transmitting terminal of the 3rd single-chip microcomputer 302 connects the receiving terminal of serial line interface 301, and the receiving terminal of the 3rd single-chip microcomputer 302 connects the transmitting terminal of serial line interface 301.
It is the single-chip microcomputer of ATMEGA-1280 that the 3rd single-chip microcomputer 302 described in the present embodiment adopts model, certainly, described the 3rd single-chip microcomputer 302 can also adopt the single-chip microcomputer of other AVR series, the single-chip microcomputer of STC series etc., and it all should be in the determined protection range by claims; The NA5TR1 chip that the 3rd wireless radio frequency modules 303 adopts Nanotron company to produce described in the present embodiment is realized.
Operation principle of the present utility model is: after positioning label 1 enters into the signal coverage areas of locating base station 2, positioning label 1 passes through CSS mode active wireless signal emission to data collector 3, data collector 3 sends instructions to positioning label 1 by the CSS mode, positioning label 1 sends answer signal to data collector 3, after data collector 3 is received the answer signal that positioning label 1 sends, this answer signal is sent to server 4 by serial line interface finishes registration, server 4 sends order to location label 1 by data collector 3, after positioning label 1 receives orders, finish by the CSS mode respectively with each locating base station 2 and to communicate by letter, and by TOA(Time OF Arrival, the time of advent) algorithm or TDOA(Time Difference of Arrival, the time of advent is poor) algorithm carries out range measurement, positioning label 1 is sent to data collector 3 with each range finding result, the range finding result that data collector 3 will be received passes to server 4 by serial line interface, the data that server 4 utilizations receive calculate the position coordinates of positioning label 1, and result of calculation is sent to client terminal 5 demonstrations by the internet.
Server 4 sends signal by data collector 3 to described positioning label 1, and the positional information of positioning label 1 is presented in the display module 104 of positioning label 1.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all in the art technical staff comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection range by claims.
Claims (9)
1. a wireless real time location system is characterized in that: comprise positioning label (1), locating base station (2), data collector (3) and server (4); Described positioning label (1) sends a signal to described locating base station (2); Described locating base station (2) is used for by the distance between measurement and the described positioning label (1); Described locating base station (2) sends a signal to described positioning label (1); Described positioning label (1) sends a signal to described data collector (3); Described data collector (3) sends a signal to described server (4) by serial line interface; Described server (4) sends a signal to described data collector (3) by serial line interface; Described data collector (3) sends a signal to described positioning label (1); Communicate by the linear frequency modulation spread spectrum between described positioning label (1), described locating base station (2) and the described data collector (3).
2. wireless real time location system as claimed in claim 1, it is characterized in that: described positioning label (1) comprises the first single-chip microcomputer (101), the first wireless radio frequency modules (102) and the first power module (103); The first output of described the first single-chip microcomputer (101) connects the input of described the first wireless radio frequency modules (102); The output of described the first wireless radio frequency modules (102) connects the input of described the first single-chip microcomputer (101); Described the first power module (103) is to described the first single-chip microcomputer (101) and described the first wireless radio frequency modules (102) power supply.
3. wireless real time location system as claimed in claim 2, it is characterized in that: described the first wireless radio frequency modules (102) is filtered the transmission pulse signal by digital dispersive delay line.
4. wireless real time location system as claimed in claim 1 or 2, it is characterized in that: described positioning label (1) also comprises display module (104); The second output of described the first single-chip microcomputer (101) connects the signal input part of described display module (104); Described the first power module (103) is powered to described display module (104).
5. want 1 or 2 described wireless real time location systems such as right, it is characterized in that: described positioning label (1) also comprises indicator light (105); The input of described indicator light (105) connects the 3rd output of described the first single-chip microcomputer (101).
6. wireless real time location system as claimed in claim 1, it is characterized in that: described locating base station (2) comprises second singlechip (201), the second wireless radio frequency modules (202) and second source module (203); The output of described second singlechip (201) connects the input of described the second wireless radio frequency modules (202); The output of described the second wireless radio frequency modules (202) connects the input of described second singlechip (201); Described the second wireless radio frequency modules (202) is connected with antenna (204) by the SMA interface; Described second source module (203) is to described second singlechip (201) and described the second wireless radio frequency modules (202) power supply.
7. wireless real time location system as claimed in claim 1, it is characterized in that: described data collector (3) is comprised of serial line interface (301), the 3rd single-chip microcomputer (302), the 3rd wireless radio frequency modules (303) and the 3rd power module (304), the output of described the 3rd single-chip microcomputer (302) connects the input of described the 3rd wireless radio frequency modules (303), and the output of described the 3rd wireless radio frequency modules (303) connects the input of described the 3rd single-chip microcomputer (302); The transmitting terminal of described the 3rd single-chip microcomputer (302) connects the receiving terminal of described serial line interface (301), and the receiving terminal of described the 3rd single-chip microcomputer (302) connects the transmitting terminal of described serial line interface (301).
8. wireless real time location system as claimed in claim 1, it is characterized in that: described server (4) has client terminal (5) by Internet connection.
9. wireless real time location system as claimed in claim 8, it is characterized in that: described client terminal (5) is computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400288 CN202713631U (en) | 2012-08-13 | 2012-08-13 | Wireless real-time positioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220400288 CN202713631U (en) | 2012-08-13 | 2012-08-13 | Wireless real-time positioning system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698745A (en) * | 2013-12-24 | 2014-04-02 | 北京航天测控技术有限公司 | Indoor wireless positioning device and method for realizing positioning by same |
| CN105183161A (en) * | 2015-09-02 | 2015-12-23 | 胡剑颖 | Synchronized moving method for user in real environment and virtual environment |
| CN105554880A (en) * | 2015-12-14 | 2016-05-04 | 中国联合网络通信集团有限公司 | Method and system of information transmission |
| CN107135484A (en) * | 2017-06-30 | 2017-09-05 | 成都智建新业建筑设计咨询有限公司 | It is a kind of to be applied to arenas and the indoor positioning device in library |
| CN109547926A (en) * | 2018-12-25 | 2019-03-29 | 天地（常州）自动化股份有限公司 | Wireless location mould group, wireless location cable and wireless location cable system |
| US10812130B2 (en) | 2016-10-18 | 2020-10-20 | University Of Washington | Backscatter systems, devices, and techniques utilizing CSS modulation and/or higher order harmonic cancellation |
| US10873363B2 (en) | 2015-08-12 | 2020-12-22 | University Of Washington | Backscatter devices and network systems incorporating backscatter devices |
| US11212479B2 (en) | 2017-04-06 | 2021-12-28 | University Of Washington | Image and/or video transmission using backscatter devices |
| US11411597B2 (en) | 2014-12-19 | 2022-08-09 | University Of Washington | Devices and methods for backscatter communication using one or more wireless communication protocols including Bluetooth low energy examples |
-
2012
- 2012-08-13 CN CN 201220400288 patent/CN202713631U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698745A (en) * | 2013-12-24 | 2014-04-02 | 北京航天测控技术有限公司 | Indoor wireless positioning device and method for realizing positioning by same |
| CN103698745B (en) * | 2013-12-24 | 2016-03-30 | 北京航天测控技术有限公司 | The method of indoor wireless positioning equipment and realization location thereof |
| US11411597B2 (en) | 2014-12-19 | 2022-08-09 | University Of Washington | Devices and methods for backscatter communication using one or more wireless communication protocols including Bluetooth low energy examples |
| US10873363B2 (en) | 2015-08-12 | 2020-12-22 | University Of Washington | Backscatter devices and network systems incorporating backscatter devices |
| CN105183161A (en) * | 2015-09-02 | 2015-12-23 | 胡剑颖 | Synchronized moving method for user in real environment and virtual environment |
| CN105554880A (en) * | 2015-12-14 | 2016-05-04 | 中国联合网络通信集团有限公司 | Method and system of information transmission |
| CN105554880B (en) * | 2015-12-14 | 2019-05-10 | 中国联合网络通信集团有限公司 | A kind of method and system of information transmission |
| US10812130B2 (en) | 2016-10-18 | 2020-10-20 | University Of Washington | Backscatter systems, devices, and techniques utilizing CSS modulation and/or higher order harmonic cancellation |
| US11212479B2 (en) | 2017-04-06 | 2021-12-28 | University Of Washington | Image and/or video transmission using backscatter devices |
| CN107135484A (en) * | 2017-06-30 | 2017-09-05 | 成都智建新业建筑设计咨询有限公司 | It is a kind of to be applied to arenas and the indoor positioning device in library |
| CN109547926A (en) * | 2018-12-25 | 2019-03-29 | 天地（常州）自动化股份有限公司 | Wireless location mould group, wireless location cable and wireless location cable system |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20180813 |