CN108900974A - Based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning terminal and method - Google Patents
Based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning terminal and method Download PDFInfo
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- CN108900974A CN108900974A CN201810828177.9A CN201810828177A CN108900974A CN 108900974 A CN108900974 A CN 108900974A CN 201810828177 A CN201810828177 A CN 201810828177A CN 108900974 A CN108900974 A CN 108900974A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Abstract
The invention discloses one kind based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning terminal and method, belongs to personnel positioning technical field, the technical solution used for：Its structure includes circuit board, master controller, LoRa module, 2.4G RFID module, UWB module, bluetooth module, 3-axis acceleration sensor, TTS voice synthetic module and EEPRPOM are provided on circuit board, master controller connects LoRa module, 2.4G RFID module, UWB module, bluetooth module and TTS voice synthetic module by serial ports respectively, and master controller passes through I2C bus connection 3-axis acceleration sensor and EEPROM respectively.The present invention obtains zone location and precise location information using 2.4G RFID module and UWB module, and uploads location information using LoRa module network, realizes region and is accurately positioned work；Real time communication under the LoRa network coverage is realized simultaneously, and a kind of low bandwidth, the real time communication mode of low cost are provided.The invention also discloses one kind to be based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning method.
Description
Technical field
The present invention relates to personnel positioning technical fields, specifically a kind of to be based on 2.4G RFID, UWB and LoRa personnel
Dispatching communication positioning terminal and method.
Background technique
What the currently used Mine Personnel Positioning System of mine generallyd use is area positioning technology, and positioning accuracy is according to adopting
Tens meters of difference of wireless technology are differed to several hundred rice, and can not continuously know personnel positions, so that mine can not carry out
Personal management work is refined, with the highly efficient and productive production requirement of mine, it is more more and more intense that underground is accurately positioned demand.
The wireless technology that positioning uses mainly includes WIFI, Zigbee, RFID, UWB, is substantially all on algorithm using TW-
TOA location algorithm（Two-way time difference method）, personnel positioning management system that the KJ69J of Changzhou Mei Ke institute is mining is using Zigbee-technology reality
Existing 3 meters of positioning accuracy, positioning accuracy is low, is not able to satisfy the demand under current mine to personnel positioning.And the auspicious magnificent industry in Liaoning
The KJ98 mine down-hole personnel and equipment management system of high and new technology Co., Ltd of group realize 30 centimetres using WiFi technology
Positioning accuracy, positioning accuracy is higher but the cost is relatively high.
UWB（UltraWideband）It is a kind of no-load communication techniques, the non-sinusoidal waveform using nanosecond to picosecond grade is narrow
Data are transmitted in pulse.By transmitting the signal of extremely low power on wider frequency spectrum, UWB can be realized in the range of 10 meters or so
The message transmission rate of hundreds of Mbit/s to several Gbit/s.UWB positioning accuracy can achieve Centimeter Level, but be limited to UWB transmission
Distance can only achieve 100 meters of limitation, and the nothing of low cost is realized while how realizing downhole personnel precise positioning using UWB
Line transmission is current technical problem urgently to be solved.
The patent document of Patent No. CN202059580U discloses a kind of underground-positioning UWB rescue system, including UWB letter
Number identification card, the base station being connected to by signal transmission system with the UWB signal identification card, and with the sequentially connected number in the base station
According to transmission device, industrial personal computer and display screen.But UWB positions label in the technical solution and the mode of UWB locating base station is realized
Positioning function, the spacing of the two adjacent base stations of system requirements are 50-100 meters, and UWB positioning substation deployment quantity is excessive, whole
It is excessive to dispose difficulty, it is too high that whole system disposes cost.
The patent document of Patent No. CN206042382U discloses constructing tunnel personnel management system, including by entering tunnel
The personnel positioning release that road personnel carry has RFID positioning label and UWB positioning label on personnel positioning release；It is mounted on
Multiple locating base stations in Tunnel are installed according to the actual conditions in tunnel, and RFID reception module and UWB are equipped in locating base station
It is fixed that RFID positioning label and UWB positioning label on receiving module, with personnel positioning release carry out wireless communication acquisition personnel
Position information；Server is connect by wired or wireless way with locating base station, receives or processing is determined the personnel that power base station is transmitted and determined
Position information；First display device, for showing the relevant information of construction personnel.Personnel positioning mark card uses in the technical solution
RFID and UWB positioned, and real time information communication is carried out by gsm module, realizes that attendance and route record using RFID,
Placement technology is realized using UWB, but it is excessively high in the cost that down-hole individually disposes the base station GSM.
In conclusion there are the following problems for mine well personnel positioning at present：
（1）, in zone location positioning be only limitted to the positioning near substation, the travelling route of personnel between substation and substation can not be obtained
Situation；
（2）, broadcast message transmission excessive bandwidth occupied using audio coding transmission, need the transmission plan of big bandwidth, increase
The cost of total system；
（3）, personnel location system cannot achieve navigation feature；
（4）, the mobile scheduling in scene when site environment parameter and facility information the difficult problem of acquisition.
Summary of the invention
Technical assignment of the invention is to provide a kind of based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning terminal
And method, to solve the limitation of down-hole zone location, the high cost of broadcast message, be dispatched without navigation feature and movement
Parameter obtains difficult problem.
Technical assignment of the invention is realized in the following manner, fixed based on 2.4G RFID, UWB and LoRa personal scheduling
Position terminal, which includes circuit board, and master controller, LoRa module, 2.4G RFID are provided on circuit board
Module, UWB module, bluetooth module, 3-axis acceleration sensor, TTS voice synthetic module and EEPRPOM, master controller difference
LoRa module, 2.4G RFID module, UWB module, bluetooth module and TTS voice synthetic module, master controller are connected by serial ports
3-axis acceleration sensor and EEPROM are connected by I2C bus respectively；
Wherein, information of the 2.4G RFID module for reading area positioning anchor point, and record and receive zone location anchor point for the first time
With the time for leaving zone location anchor point, the travelling route in zone location region is plotted in by discrete positioning；
UWB module is for obtaining precise location information；
LoRa module is used to upload area locating information and precise location information, and as data between collector, transmission substation
Transmission channel, for obtaining paging and broadcast and neighbouring device parameter and environmental information；
Bluetooth module is used for and handheld terminal cooperation realizing route navigation and acquisition area equipment parameter and environmental information；
TTS voice synthetic module is used for after LoRa module receives broadcast and paging information, and master controller is by effective voice
Text information is sent to TTS voice synthetic module after TTS voice synthetic module completes speech synthesis by serial ports and passes through loudspeaker
Broadcast and paging information are read out, realize voice broadcast function；
EEPROM is used for storage region location path information, device configuration information and fence data information；
3-axis acceleration sensor reduces location information transmission for carrying out form and athletic posture judgement, by algorithm, saves
Channel consumption.
Preferably, being additionally provided with indicator light and RTC backup power source on the circuit board, master controller passes through GPIO connection
Indicator light；
Master controller connects RTC backup power source by VBAT pin, and RTC backup power source is for guaranteeing personal scheduling positioning terminal
Real-time clock continuous service.
Preferably, the TTS voice synthetic module includes chipspeech, power amplifier chips and loudspeaker, master controller
Chipspeech is connected by serial ports, chipspeech is electrically connected power amplifier chips, and power amplifier chips are electrically connected loudspeaker.
More preferably, which further includes front housing, rear shell and power supply module, and circuit board and power supply module are equal
It is arranged in the closed cavity being made of front housing and rear shell, light-guiding pillar, function button, OLED screen is provided on the outer surface of front housing
Curtain and loudspeaker are provided with alarm key at the side of rear shell outer surface；LoRa module, 2.4G RFID module, UWB module and indigo plant
Antenna is respectively arranged in tooth module, antenna extends at the upside of rear shell outer surface.
More preferably, the master controller is separately connected function button, alarm key and indicator light by GPIO, and indicator light connects
Light-guiding pillar is connect, light-guiding pillar is used to show the color of indicator light；
Master controller connects OLED screen curtain by spi bus, and the history of paging, broadcast data that OLED screen curtain is used to receive is looked into
It sees.
More preferably, the power supply module includes power supply and power management module, power electric connection power management module, power supply
Management module is electrically connected master controller, LoRa module, 2.4G RFID module, UWB module, bluetooth module, 3-axis acceleration
Sensor, TTS voice synthetic module, indicator light and OLED screen curtain.
More preferably, the master controller uses STM32F407ZET6, and 2.4G RFID module uses the radio frequency mould without power amplifier
Block, chipspeech use XFS3031CNP, and power amplifier chips use LM4990, and RTC backup power source will use CR2012 button
Battery, the battery that the electricity that power supply uses two amount of electricity saving to be formed in parallel for the lithium manganate battery of 2500mAh is 5000mAh.Separately
Outside, UWB module closes the rich serial port module produced using Jiangxi.Recall one hundred special E32 (433T20S2T) in LoRa module selection Chengdu
LoRa module.The HM-11 bluetooth transparent transmission module that bluetooth module uses Hua Mao science and technology in Jinan to produce, bluetooth module are blue using low-power consumption
Tooth module, personal scheduling positioning terminal can regard the middleware equipment of 2.4G RFID module, UWB module, LoRa module as respectively,
Work, the middlewares of UWB module such as inspection, data acquisition, which may be implemented, in the middleware of 2.4G RFID module may be implemented to position
Function, the middleware of LoRa module can be mobile terminal device in the place that Wifi, 4G, 3G are not covered, and build a connection
Netcom road, and environmental parameter and facility information in current environment can be asked for outstation and collector equipment, really solve
The acquisition of site environment parameter and facility information difficult problem when live movement of having determined is dispatched.TTS voice synthetic module uses section
The big XFS3031CNP Chinese speech synthesis chip for interrogating the product that fly out, cooperation LM4490 power amplifier chips realize the playback of 2W, this
Place notices that Chinese character code format selects GB2312 code.
More preferably, the power management module is powered using after FP6276XR-G1 boosting by AMS1117-3.3 decompression again
And power management module includes two AMS1117-3.3, AMS1117-3.3 is used to be UWB module and LoRa module for power supply,
Another AMS1117-3.3 is used to be master controller, 2.4G RFID module, bluetooth module, 3-axis acceleration sensor, TTS language
Sound synthesis module, EEPRPOM, indicator light and the power supply of OLED screen curtain.
One kind being based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning method, and this method comprises the following steps：
（1）, personal scheduling positioning terminal encounter transmission substation when, 2.4G RFID module receive transmission substation 2.4G
RFID module send time synchronization handshaking information, personal scheduling positioning terminal can according to randomizer generate one with
Machine number（The random code of one byte）, random digit is multiplied into three time coordinates for obtaining transmission location information, transmits substation
2.4G RFID module completes primary positioning after receiving the location information that personal scheduling positioning terminal is sent, then passes through Ethernet
Reporting orientation information realizes the Information locating of attendance checking function and key position node；
（2）, the 2.4G RFID module in personal scheduling positioning terminal receives the zone location anchor point of 2.4G RFID tag and sends
Handshaking information when record the time, form strip area location information storage into the buffer area of personal scheduling positioning terminal, and
When leaving zone location anchor point region, the time left is recorded, and shake hands letter zone location anchor point is received for the last time
The time of breath is put into data buffer zone as the time of area locating information, forms a discrete area locating information；Again
It is uploaded to transmission substation and collector by LoRa module, substation is transmitted by Ethernet and is uploaded to server, staff can
To show discrete personnel's traveling situation in GIS map, it is convenient for fulfilling inspection；
（3）, personal scheduling positioning terminal when encountering UWB positioning anchor point, UWB module in personal scheduling positioning terminal can be with
Formation precise location information is put into data buffer zone after UWB positioning anchor point establishes communication and calculates the time, then passes through LoRa
Precise location information is sent to transmission substation and collector by module；
（4）, when in case of emergency, after pressing alarm key, indicator light flashing, simultaneous tinkling of pieces of jade sound of alarming informs rescue
Personnel；
（5）, integrated tri-axial acceleration sensor in personal scheduling positioning terminal, and cooperate Kalman Filtering algorithm, realize most quick
Degree rescue；
（6）, TTS voice synthetic module in personal scheduling positioning terminal, text-to-speech is played back, is realized narrow
With the transmission easily broadcasted and paged in network；
（7）, the bluetooth module in personal scheduling positioning terminal zone location and precise location information are sent into mobile terminal, in conjunction with
Mobile terminal realizes the function of positioning and navigation；
（8）, by OLED screen curtain realize that the history of paging and broadcast data received is checked；
（9）, by the good upload information of systemic presupposition in selection personal scheduling positioning terminal, selection is suitble to according to field condition
Information is reported, and is reduced the time delay that site problems report, is improved whole working efficiency；
（10）, personal scheduling positioning terminal after receiving broadcast and paging information, by pressing function button confirmation message reply,
Tell the server has been received by information.
（11）, by EEPROM store fence information, when personnel are close to fence, realize warning function, continue
It is close, warning message will be carried out and reported.
Preferably, the step（5）The method of middle 3-axis acceleration sensor cooperation Kalman Filtering algorithm is specific as follows：
When personnel remain static >=5min when, location information will not be uploaded；It, will starting report when personnel remain static≤0.5h
Alert function effectively prevent the case where asphyxia, poisoning occur, realizes Quick rescue.
Of the invention communicates positioning terminal and method and prior art phase based on 2.4G RFID, UWB and LoRa personal scheduling
Than having the following advantages that：
（One）, zone location and precise location information are obtained using 2.4G RFID module and UWB module, and utilize LoRa module
Network uploads location information, realizes region and is accurately positioned work；The real time communication under the LoRa network coverage is realized simultaneously, is mentioned
For a kind of low bandwidth, the real time communication mode of low cost；
（Two）, the 2.4G RFID module in personal scheduling positioning terminal increase the function of reader, reading area positions anchor point
Information, and record to receive for the first time and zone location anchor point and leave the time of zone location anchor point, drawn by discrete positioning
Make the travelling route in zone location region；
（Three）, TTS chipspeech built in personal scheduling positioning terminal, receive broadcast and paging information in LoRa module
Afterwards, effective language and characters information is sent to chipspeech by serial ports by master controller, and chipspeech completes language
After sound synthesis, it will be broadcasted by loudspeaker and paging information read out, realize voice broadcast function；
（Four）, 2.4G RFID module built in personal scheduling positioning terminal and UWB module obtain receiving area positioning and be accurately positioned
Location information is sent to handheld terminal by bluetooth module later by information, and handheld terminal is realized by navigation pack and positioned
And navigation feature；
（Five）, LoRa module built in personal scheduling positioning terminal, can be with transmission substation and collector and LoRa wireless sensing
Device and LoRa wireless device form LoRa wireless-transmission network, cooperate bluetooth module, are wirelessly transferred handheld terminal and LoRa and take
Being engaged in, network is connected, and so as to easily obtain the sensing data of current region, solution directly acquires current region environmental information
And the problem of facility information.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Attached drawing 1 is the structural schematic diagram based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal；
Attached drawing 2 is in attached drawing 1 without the structural schematic diagram of the personal scheduling positioning terminal of rear shell；
Attached drawing 3 is the structural block diagram of circuit board in attached drawing 1.
In figure：1, circuit board, 2, master controller, 3, LoRa module, 4,2.4G RFID module, 5, UWB module, 6, bluetooth
Module, 7,3-axis acceleration sensor, 8, TTS voice synthetic module, 8-1, chipspeech, 8-2, power amplifier chips, 8-3,
Loudspeaker, 9, EEPRPOM, 10, indicator light, 11, antenna, 12, front housing, 13, rear shell, 14, power supply, 15, RTC backup power source, 16, lead
Light beam, 17, function button, 18, OLED screen curtain, 19, power management module, 20, alarm key, 21, serial ports, 22, GPIO, 23,
I2C bus, 24, spi bus, 25, VBAT pin.
Specific embodiment
Referring to Figure of description and specific embodiment to of the invention logical based on 2.4G RFID, UWB and LoRa personal scheduling
Letter positioning terminal and method are described in detail below.
Embodiment 1：
As shown in figure 1 and 2, of the invention based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, personnel's tune
Spending positioning terminal includes circuit board 1, front housing 12, rear shell 13 and power supply module, and circuit board 1 and power supply module have been installed in front housing
12 and rear shell 13 form closed cavity in, light-guiding pillar 16, function button 17, OLED screen curtain are installed on the outer surface of front housing 12
18 and loudspeaker 8-3 is equipped with alarm key 20 at the side of 13 outer surface of rear shell；LoRa module 3,2.4G RFID module 4,
Antenna 11 is separately installed in UWB module 5 and bluetooth module 6, antenna 11 extends at the upside of 13 outer surface of rear shell.Main control
Device 2 is separately connected function button 17, alarm key 20 and indicator light 10 by GPIO 22, and indicator light 10 connects light-guiding pillar 16,
Light-guiding pillar 16 is used to show the color of indicator light 10；Master controller 2 by spi bus 24 connect OLED screen curtain 18, OLED screen,
18 for receive paging, broadcast data history check.
As shown in Fig. 3, master controller 2, LoRa module 3,2.4G RFID module 4, UWB mould are installed on circuit board 1
Block 5, bluetooth module 6,3-axis acceleration sensor 7, indicator light 10, RTC backup power source 15,8 and of TTS voice synthetic module
EEPRPOM 9, master controller 2 are separately connected LoRa module 3,2.4G RFID module 4, UWB module 5, bluetooth by serial ports 21
Module 6 and TTS voice synthetic module 8, master controller 2 are separately connected 7 He of 3-axis acceleration sensor by I2C bus 23
EEPROM 9；Master controller 2 passes through the connection of GPIO 22 indicator light 10；Master controller 2 is standby by the connection of VBAT pin 25 RTC
With power supply 15, RTC backup power source 15 is used to guarantee the real-time clock continuous service of personal scheduling positioning terminal, 2.4G RFID mould
Information of the block 4 for reading area positioning anchor point, and record and receive zone location anchor point for the first time and leave zone location anchor point
Time, the travelling route in zone location region is plotted in by discrete positioning；UWB module is accurately positioned letter for obtaining
Breath；LoRa module 3 is used to upload area locating information and precise location information, and as data between collector, transmission substation
Transmission channel, for obtaining paging and broadcast and neighbouring device parameter and environmental information；Bluetooth module 6 is used for and handheld terminal
Cooperate realizing route navigation and obtains area equipment parameter and environmental information；TTS voice synthetic module 8 is used in LoRa module 3
After receiving broadcast and paging information, effective language and characters information is sent to TTS voice by serial ports and closed by master controller 2
At module 8, after TTS voice synthetic module 8 completes speech synthesis, it will be broadcasted by loudspeaker and paging information read out, realize language
Sound broadcasts function；EEPROM 9 is used for storage region location path information, device configuration information and fence data information；
3-axis acceleration sensor 7 reduces location information transmission for carrying out form and athletic posture judgement, by algorithm, saves channel
Consumption.
Wherein, TTS voice synthetic module 8 includes chipspeech 8-1, power amplifier chips 8-2 and loudspeaker 8-3, main control
Device 2 connects chipspeech 8-1 by serial ports 21, and chipspeech 8-1 is electrically connected power amplifier chips 8-2, power amplifier chips 8-
2 electrical connection loudspeaker 8-3.
Power supply module includes power supply 14 and power management module 19,14 electric connection of power supply management module 19 of power supply, power supply pipe
Reason module 19 is electrically connected master controller 2, LoRa module 3,2.4G RFID module 4, UWB module 5, bluetooth module 6, three axis
Acceleration transducer 7, TTS voice synthetic module 8, EEPRPOM 9, indicator light 10 and OLED screen curtain 18.Master controller 2 uses
STM32F407ZET6,2.4G RFID module 4 uses the radio-frequency module without power amplifier, and chipspeech 8-1 is used
XFS3031CNP, power amplifier chips 8-2 use LM4990, and RTC backup power source 15 will use CR2012 button cell, and power supply 14 uses
The battery that the electricity that the lithium manganate battery that two amount of electricity saving are 2500mAh is formed in parallel is 5000mAh.In addition, UWB module 5 uses
Close the rich serial port module produced in Jiangxi.LoRa module 3 selects Chengdu to recall one hundred special E32 (433T20S2T) LoRa module.Bluetooth
The HM-11 bluetooth transparent transmission module that module 6 is produced using Jinan Hua Mao science and technology, bluetooth module 6 use low-power consumption bluetooth module, personnel
Scheduling positioning terminal can regard the middleware equipment of 2.4G RFID module, UWB module, LoRa module, 2.4G RFID mould as respectively
Work, the middlewares of UWB module such as inspection, data acquisition, which may be implemented, in the middleware of block may be implemented positioning function, LoRa mould
The middleware of block can build a networking channel in the place that Wifi, 4G, 3G are not covered for mobile terminal device, and can
To ask for environmental parameter and facility information in current environment with outstation and collector equipment, really solves live movement
The acquisition of site environment parameter and facility information difficult problem when scheduling.TTS voice synthetic module is produced using Iflytek
XFS3031CNP Chinese speech synthesis chip, cooperation LM4490 power amplifier chips realize the playback of 2W, it is noted here that Chinese is compiled
Code format selects GB2312 code.Power management module 19 is supplied using after FP6276XR-G1 boosting by AMS1117-3.3 decompression again
Electricity and power management module 19 include two AMS1117-3.3, and an AMS1117-3.3 is used to be UWB module 5 and LoRa module
3 power supplies, another AMS1117-3.3 are used to pass for master controller 2,2.4G RFID module 4, bluetooth module 6,3-axis acceleration
Sensor 7, TTS voice synthetic module 8, indicator light 10 and OLED screen curtain 18 are powered.
Embodiment 2
Based on embodiment 1 based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning method, this method includes following step
Suddenly：
（1）, personal scheduling positioning terminal encounter transmission substation when, 2.4G RFID module 4 receive transmission substation 2.4G
RFID module send time synchronization handshaking information, personal scheduling positioning terminal can according to randomizer generate one with
Machine number（The random code of one byte）, random digit is multiplied into three time coordinates for obtaining transmission location information, transmits substation
2.4G RFID module completes primary positioning after receiving the location information that personal scheduling positioning terminal is sent, then passes through Ethernet
Reporting orientation information realizes the Information locating of attendance checking function and key position node；
（2）, the 2.4G RFID module 4 in personal scheduling positioning terminal receives the zone location anchor point of 2.4G RFID tag and sends
Handshaking information when record the time, form strip area location information storage into the buffer area of personal scheduling positioning terminal, and
When leaving zone location anchor point region, the time left is recorded, and shake hands letter zone location anchor point is received for the last time
The time of breath is put into data buffer zone as the time of area locating information, forms a discrete area locating information；Again
It is uploaded to transmission substation and collector by LoRa module 3, substation is transmitted by Ethernet and is uploaded to server, staff can
To show discrete personnel's traveling situation in GIS map, it is convenient for fulfilling inspection；
（3）, personal scheduling positioning terminal when encountering UWB positioning anchor point, UWB module 5 in personal scheduling positioning terminal can be with
Formation precise location information is put into data buffer zone after UWB positioning anchor point establishes communication and calculates the time, then passes through LoRa
Precise location information is sent to transmission substation and collector by module 3；
（4）, when in case of emergency, after pressing alarm key 20, indicator light 10 flashes, and simultaneous tinkling of pieces of jade sound of alarming is informed
Rescue personnel；
（5）, integrated tri-axial acceleration sensor 7 in personal scheduling positioning terminal, and cooperate Kalman Filtering algorithm, realize most quick
Degree rescue；3-axis acceleration sensor 7 cooperates the method for Kalman Filtering algorithm specific as follows：When personnel remain static >=
When 5min, location information will not be uploaded；When personnel remain static≤0.5h, warning function will be started, effectively prevent occurring
The case where asphyxia, poisoning, realize Quick rescue；
（6）, TTS voice synthetic module 8 in personal scheduling positioning terminal, text-to-speech is played back, realizes and exists
The transmission easily broadcasted and paged in narrowband network；
（7）, the bluetooth module 6 in personal scheduling positioning terminal zone location and precise location information are sent into mobile terminal, knot
Close the function that mobile terminal realizes positioning and navigation；
（8）, by OLED screen curtain 18 realize that the history of paging and broadcast data received is checked；
（9）, by the good upload information of systemic presupposition in selection personal scheduling positioning terminal, selection is suitble to according to field condition
Information is reported, and is reduced the time delay that site problems report, is improved whole working efficiency；
（10）, personal scheduling positioning terminal after receiving broadcast and paging information, pass through pressing 17 key confirmation message of function return
Multiple, tell the server has been received by information.
（11）, the fence information that is stored by EEPROM 9 realize warning function when personnel are close to fence, after
Continue it is close, by carry out warning message report.
The technical personnel in the technical field can readily realize the present invention with the above specific embodiments,.But it answers
Work as understanding, the present invention is not limited to above-mentioned specific embodiments.On the basis of the disclosed embodiments, the technical field
Technical staff can arbitrarily combine different technical features, to realize different technical solutions.
Claims (10)
1. being based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that the personal scheduling positioning terminal packet
Circuit board is included, master controller, LoRa module, 2.4G RFID module, UWB module, bluetooth module, three axis are provided on circuit board
Acceleration transducer, TTS voice synthetic module and EEPRPOM, master controller connect LoRa module, 4G by serial ports respectively
RFID module, UWB module, bluetooth module and TTS voice synthetic module, master controller pass through I2C bus three axis of connection respectively and add
Velocity sensor and EEPROM；
Wherein, information of the 2.4G RFID module for reading area positioning anchor point, and record and receive zone location anchor point for the first time
With the time for leaving zone location anchor point, the travelling route in zone location region is plotted in by discrete positioning；
UWB module is for obtaining precise location information；
LoRa module is used to upload area locating information and precise location information, and as data between collector, transmission substation
Transmission channel, for obtaining paging and broadcast and neighbouring device parameter and environmental information；
Bluetooth module is used for and handheld terminal cooperation realizing route navigation and acquisition area equipment parameter and environmental information；
TTS voice synthetic module is used for after LoRa module receives broadcast and paging information, and master controller is by effective voice
Text information is sent to TTS voice synthetic module after TTS voice synthetic module completes speech synthesis by serial ports and passes through loudspeaker
Broadcast and paging information are read out, realize voice broadcast function；
EEPROM is used for storage region location path information, device configuration information and fence data information；
3-axis acceleration sensor reduces location information transmission for carrying out form and athletic posture judgement, by algorithm, saves
Channel consumption.
2. according to claim 1 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
Indicator light and RTC backup power source are additionally provided on the circuit board, master controller connects indicator light by GPIO；
Master controller connects RTC backup power source by VBAT pin, and RTC backup power source is for guaranteeing personal scheduling positioning terminal
Real-time clock continuous service.
3. according to claim 1 or 2 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, feature exists
In the TTS voice synthetic module includes chipspeech, power amplifier chips and loudspeaker, and master controller connects language by serial ports
Sound synthesis chip, chipspeech are electrically connected power amplifier chips, and power amplifier chips are electrically connected loudspeaker.
4. according to claim 3 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
The personal scheduling positioning terminal further includes front housing, rear shell and power supply module, circuit board and power supply module be arranged at front housing and
In the closed cavity of rear shell composition, light-guiding pillar, function button, OLED screen curtain and loudspeaker, rear shell are provided on the outer surface of front housing
Alarm key is provided at the side of outer surface；On LoRa module, 2.4G RFID module, UWB module and bluetooth module respectively
It is provided with antenna, antenna extends at the upside of rear shell outer surface.
5. according to claim 4 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
The master controller is separately connected function button, alarm key and indicator light by GPIO, and indicator light connects light-guiding pillar, guide-lighting
Column is used to show the color of indicator light；
Master controller connects OLED screen curtain by spi bus, the history of paging, broadcast data that OLED screen curtain is used to receive
It checks.
6. according to claim 5 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
The power supply module includes power supply and power management module, power electric connection power management module, power management module difference electricity
Connect master controller, LoRa module, 2.4G RFID module, UWB module, bluetooth module, 3-axis acceleration sensor, TTS voice
Synthesis module, EEPRPOM, indicator light and OLED screen curtain.
7. according to claim 6 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
The master controller uses STM32F407ZET6, and 2.4G RFID module uses the radio-frequency module without power amplifier, chipspeech
Using XFS3031CNP, power amplifier chips use LM4990, and RTC backup power source will use CR2012 button cell, and power supply uses two
The battery that the electricity that the lithium manganate battery that amount of electricity saving is 2500mAh is formed in parallel is 5000mAh.
8. according to claim 7 be based on 2.4G RFID, UWB and LoRa personal scheduling positioning terminal, which is characterized in that
The power management module is powered again after being boosted using FP6276XR-G1 by AMS1117-3.3 decompression and power management module
Including two AMS1117-3.3, an AMS1117-3.3 is used to be UWB module and LoRa module for power supply, another AMS1117-
3.3 for being master controller, 2.4G RFID module, bluetooth module, 3-axis acceleration sensor, TTS voice synthetic module, referring to
Show lamp and the power supply of OLED screen curtain.
9. one kind is based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning method, which is characterized in that this method includes such as
Lower step：
（1）, personal scheduling positioning terminal encounter transmission substation when, 2.4G RFID module receive transmission substation 2.4G
RFID module send time synchronization handshaking information, personal scheduling positioning terminal can according to randomizer generate one with
Random digit is multiplied three time coordinates for obtaining transmission location information by machine number, and the 2.4G RFID module for transmitting substation receives
Primary positioning is completed after the location information that personal scheduling positioning terminal is sent, then by Ethernet reporting orientation information, realization is examined
The Information locating of diligent function and key position node；
（2）, the 2.4G RFID module in personal scheduling positioning terminal receives the zone location anchor point of 2.4G RFID tag and sends
Handshaking information when record the time, form strip area location information storage into the buffer area of personal scheduling positioning terminal, and
When leaving zone location anchor point region, the time left is recorded, and shake hands letter zone location anchor point is received for the last time
The time of breath is put into data buffer zone as the time of area locating information, forms a discrete area locating information；Again
It is uploaded to transmission substation and collector by LoRa module, substation is transmitted by Ethernet and is uploaded to server, staff can
To show discrete personnel's traveling situation in GIS map, it is convenient for fulfilling inspection；
（3）, personal scheduling positioning terminal when encountering UWB positioning anchor point, UWB module in personal scheduling positioning terminal can be with
Formation precise location information is put into data buffer zone after UWB positioning anchor point establishes communication and calculates the time, then passes through LoRa
Precise location information is sent to transmission substation and collector by module；
（4）, when in case of emergency, after pressing alarm key, indicator light flashing, simultaneous tinkling of pieces of jade sound of alarming informs rescue
Personnel；
（5）, integrated tri-axial acceleration sensor in personal scheduling positioning terminal, and cooperate Kalman Filtering algorithm, realize most quick
Degree rescue；
（6）, TTS voice synthetic module in personal scheduling positioning terminal, text-to-speech is played back, is realized narrow
With the transmission easily broadcasted and paged in network；
（7）, the bluetooth module in personal scheduling positioning terminal zone location and precise location information are sent into mobile terminal, in conjunction with
Mobile terminal realizes the function of positioning and navigation；
（8）, by OLED screen curtain realize that the history of paging and broadcast data received is checked；
（9）, by the good upload information of systemic presupposition in selection personal scheduling positioning terminal, selection is suitble to according to field condition
Information is reported, and is reduced the time delay that site problems report, is improved whole working efficiency；
（10）, personal scheduling positioning terminal after receiving broadcast and paging information, by pressing function button confirmation message reply,
Tell the server has been received by information；
（11）, by EEPROM store fence information, when personnel are close to fence, realize warning function, continue it is close,
Warning message will be carried out to report.
10. according to claim 9 be based on 2.4G RFID, UWB and LoRa personal scheduling communication positioning method, feature
It is, the step（5）The method of middle 3-axis acceleration sensor cooperation Kalman Filtering algorithm is specific as follows：When personnel are in quiet
Only when state >=5min, location information will not be uploaded；When personnel remain static≤0.5h, warning function will be started, effectively
The case where preventing asphyxia, poisoning, realizes Quick rescue.
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