CN110298430A - A kind of access card sending position functions with Beidou positioning and short message - Google Patents
A kind of access card sending position functions with Beidou positioning and short message Download PDFInfo
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- CN110298430A CN110298430A CN201910668503.9A CN201910668503A CN110298430A CN 110298430 A CN110298430 A CN 110298430A CN 201910668503 A CN201910668503 A CN 201910668503A CN 110298430 A CN110298430 A CN 110298430A
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- beidou
- module
- submodule
- beidou module
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 23
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 230000002123 temporal effect Effects 0.000 claims description 22
- 230000006698 induction Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 13
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 35
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0702—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
- G06K19/0704—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery the battery being rechargeable, e.g. solar batteries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07771—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/29—Individual registration on entry or exit involving the use of a pass the pass containing active electronic elements, e.g. smartcards
Abstract
The present invention relates to a kind of access cards, and the mobile power source access card of position functions is especially sent with Beidou positioning and short message, are particularly suitable for emergency relief, personnel supervise and use.Including power management module, Beidou module and RFID module；Power management module is connected with Beidou module, and power management module provides operating voltage for Beidou module；The power management module includes lithium polymer battery, power management submodule and charging interface；The Beidou module includes antenna, radio frequency submodule, control submodule, Beidou module indicator light, RDSS function sub-modules and RNSS/GPS function sub-modules, and wherein control submodule, RDSS function sub-modules and RNSS/GPS function sub-modules constitute Beidou module control unit.Wireless public network coverage hole, communication condition difference the next key of situation/regularly send, realize the tracking of real time position and the rescue of emergency, effectively monitoring management of the enhancing to personnel location information.
Description
Technical field
The present invention relates to a kind of access cards, and the mobile power source of position functions is especially sent with Beidou positioning and short message
Access card, can a key/regularly send personal location information, real time position, be particularly suitable for emergency relief, personnel supervise and use.
Background technique
The intellectualized management system that access control system is passed in and out as a kind of new-modernization administrative staff collects microcomputer automatic identification
Technology and Safety Management Measures are integrated, and are related to many new technologies such as electronics, machinery, optics, communication, are widely used in management control
System processed is played a great role in the Administrations such as work circumstances safe, personnel attendance management.Nonetheless, at present
Access card is mainly used for personnel identity identification, therefore function is relatively simple.
With the enhancing that the rapid development of Digital Network technology and safeguard management are realized, access control system because its intelligence,
Safety, hommization and high efficiency are widely used in access control, personnel identity identification and are examined in enterprise, community environment
Diligent management etc..
Under new situations, new background, reinforce personnel's supervision near boundary line, stablizing to maintenance border region security has weight
Want meaning.For aboriginal, tourist and the visitor in defence area, the tracking and positioning of the personnel of progress is needed, is missed with to avoid personnel
When entering frontier defense control zone, sentry post and forbidden zone, and encountering personnel and the emergencies such as lose in depopulated zone, need to lock people as early as possible
Member position, is rescued in time.
Positioning system occupies increasingly consequence in our life, and hand can be used in the case where there is network
The location information of machine navigation software transmission GPS, it is easy to the position for finding oneself, it is poor in no network signal or communication condition
In the case where, such as the region that virgin forest, desert, depopulated zone network are not covered with, how using portable common
Equipment quickly sends the location information of oneself, so that friends and family can grasp the position of oneself or when needing emergency relief at any time
Real-time position information can be sent to rescue worker in time, realize that rescue becomes a problem.Border area often due to soil,
, there is the situation that Sha Jinren is moved back, forms large range of nothing in severe living environment caused by the natural resources difference such as water, weather
People area, network signal and communication condition are poor in depopulated zone, are difficult to realize the locating and tracking to specific people, and in urgent feelings
Timely rescue under condition.
Summary of the invention
It is a kind of with Beidou positioning and short message transmission position function the purpose of the present invention is providing in view of the above shortcomings
Can access card, Beidou Navigation System or GPS position information can receive by access card and realize a key/regularly send positioning letter
Breath realizes real time position monitoring, and by the automatic releasing position information of big-dipper satellite short message communication mode, real-time is high, covers
Range is wide, transmits securely and reliably, it can be achieved that the real-time delivery of information, not only substantially increases the safety of data transmission, simultaneously
Rescue speed can effectively be promoted.
The present invention adopts the following technical solutions to achieve:
A kind of access card sending location information function with Beidou positioning and short message, including power management module, Beidou mould
Block and RFID module；Power management module is connected with Beidou module, and power management module provides operating voltage for Beidou module.
The power management module uses commercially available power management module, includes lithium polymer battery, power management submodule
Block and charging interface；Power management submodule uses power management chip, for realizing buck conversion and lithium battery charging valve
Reason, rises to 5V for lithium polymer battery voltage and is used to provide operating voltage for Beidou module；By being arranged in power management module
On charging interface give lithium battery charging.
The lithium polymer battery uses rechargeable lithium battery, and the power management chip uses IP5318 chip, described
Charging interface uses Micro USB interface；The power management chip is connected with lithium polymer battery and charging interface respectively.
The Beidou module includes antenna, radio frequency submodule, control submodule, Beidou module indicator light, RDSS function
Module and RNSS/GPS function sub-modules, wherein control submodule, RDSS function sub-modules and RNSS/GPS function sub-modules structure
At Beidou module control unit；Antenna is connected with radio frequency submodule by radio frequency coaxial cables；Radio frequency submodule and Beidou module
Control unit is connected by spi bus；Beidou module indicator light is connected with I/O mouthfuls of Beidou module control unit, is used to indicate
Beidou module working condition, control submodule control instructions lamp show state；The antenna is used to send and receive wireless signal,
Radio frequency submodule is for handling the wireless signal that antenna receives, from the received wireless signal from Beidou satellite system of antenna
By radio frequency submodule carry out down-converted, A/D conversion, by time reference check-in signal is captured, judgement of sampling,
After a series of processing such as check-in signal parsing, RDSS function sub-modules or RNSS/GPS function sub-modules are sent；From RDSS function
The signal that submodule or RNSS/GPS function sub-modules come out carries out outbound information generation by radio frequency submodule, spread spectrum, leads to
Road combining passes through time reference to exit signal adjustment, QPSK modulation, D/A conversion and upconversion process, later by transmission day
Line is sent to Beidou satellite system；Control submodule is for controlling radio frequency submodule, RDSS function sub-modules and RNSS/GPS function
Timing, operating mode and a key for energy submodule/regularly send location information etc..
The course of work of Beidou module, includes the following steps:
1) control submodule is after detecting the button operation that a key sends position and temporal information；
1-1) flashing of Beidou module indicator light is primary；
1-2) by the received wireless signal handled through radio frequency submodule, via spi bus send RDSS function sub-modules or
RNSS/GPS function sub-modules；
1-3) pass through radio frequency submodule from the signal that RDSS function sub-modules or RNSS/GPS function sub-modules come out, through sending
Antenna is sent to Beidou satellite system；
After the completion of 1-4) key sends position and temporal information, Beidou module enters suspend mode, waits button operation next time；
2) control submodule is after detecting the button operation for regularly sending position and temporal information；
2-1) periodically flashing is primary at set time intervals for Beidou module indicator light；
2-2) by received wireless signal, it is sent to radio frequency submodule and RDSS function sub-modules or RNSS/GPS function submodule
Block；
2-3) treated wireless signal is periodically sent to Beidou satellite system according to setting interval time；
After the completion of 2-4) regularly sending position and temporal information, Beidou module enters suspend mode, waits button operation next time.
The RFID module uses commercially available RFID module, includes RFID radio-frequency module and RFID submodule, RFID radio frequency
Module uses induction coil, for transmitting and receiving wireless signal, and RFID submodule uses RFID chip, for storing access card
The identity information of wearer；When access card enters frequency read/write magnetic field range, RFID radio-frequency module receives radio frequency read-write
The radiofrequency signal that device issues, is RFID chip power supply by coil-induced generation voltage, and frequency read/write passes through induction coil pair
RFID chip is read out or is written information operation.
The RFID chip uses NTAG213 chip；The RFID chip is connected with induction coil.
Short message is realized as the peculiar function of BEI-DOU position system, the function by following steps:
1) sender first by after the communication application signal encryption comprising recipient's ID number and Content of communciation by satellite forward into
It stands；
2) after ground central station receives communication application signal, the outbound broadcast electricity persistently broadcasted is added through DecryptDecryption and after re-encrypting
Wen Zhong, through satellite broadcasting to user；
3) recipient's subscriber computer receives exit signal, and outbound text is decrypted in demodulation, completes primary communication.
The present invention is in use, use access card function, i.e. access card when access card enters frequency read/write magnetic field range
The radiofrequency signal that frequency read/write issues is received by induction coil, is RFID chip power supply by coil-induced generation voltage, and
Complete the reading or write-in information operation to access card；When the movement of Beidou module switch key, check whether to be short-press 1 time
Beidou module power-on operation be to open Beidou module if it is not, then rejudging, at this time power management module be north
Struggle against module for power supply, and Beidou module can receive the prompt information from Beidou satellite system, while Beidou module indicator light in real time
It lights instruction Beidou module and is in open state；Under Beidou module open state, if detecting, Beidou module switch key is dynamic
Make, judge whether it is a short-press 1 time key and send operation, is that then one key of Beidou module sends position and temporal information is available, together
When the flashing of Beidou module indicator light it is primary, if it is not, then judging whether it is long-pressing Beidou module switch key (being greater than 2s), be
Then Beidou module regularly sends position and temporal information is available, and according to setting time interval, Beidou module indicator light timing flashes
Once, it is continuously operated by Beidou module switch key 2 times closing Beidou modules if it is not, then judging whether it is, is to close
Beidou module is closed, power management module stops being Beidou module power supply, while Beidou module indicator light extinguishes, if it is not, then
Keep Beidou module booting and Beidou module indicator light illuminating state.
Invention advantage: the present invention is based on it is a kind of with Beidou positioning and short message send location information function access card,
It is small in size, easy to carry, be widely used, there is common gate inhibition's fixture somebody person's identity recognition function, while using Beidou
Satellite positioning tech and Big Dipper short message communication technology, can wireless public network coverage hole, communication condition difference the next key of situation/
It regularly sends, realizes the tracking of real time position and the rescue of emergency, effectively monitoring management of the enhancing to personnel location information.
Its small power consumption, is powered using lithium polymer secondary battery, and cruise duration is long, and can be carried out by Micro USB interface to it
Charging.Access card of the present invention includes Beidou module, this module has good anti-electromagnetism using the double-deck high-quality sealing metal box
Interference performance；RFID chip is included, personnel identity information can be stored, is easy to read and write, is easy to implement personnel's supervision.
Detailed description of the invention
Below with reference to attached drawing, the invention will be further described:
Fig. 1 is the product structure figure of the embodiment of the present invention；
In figure: 1, shell, 2, Beidou module switch key, 3, Beidou module (removing antenna, indicator light), 4, antenna, 5, cord hole, 6,
Beidou module indicator light, 7, RFID module, 8, power management module, 9, the input port Micro USB.
Fig. 2 is the functional block diagram of the invention；
Fig. 3 is Beidou module switch key control flow chart of the invention；
Fig. 4 is Beidou module functional block diagram of the invention；
Fig. 5 is power management module functional block diagram of the invention；
Fig. 6 is RFID module functional block diagram of the invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Shown in Fig. 1, the access card of the embodiment of the present invention includes shell 1, and 1 first side of shell is equipped with Beidou module switch and presses
Key 2 and Beidou module indicator light 6；It is pasted with antenna 4 in 1 first side of shell, for sending and receiving wireless signal, when use
By 1 first side of shell towards front；The neighbouring second side for being pasted with 4 first side of antenna of shell 1 is equipped with cord hole 5, is used for
Penetrate wearing lanyard；The third side opposite with 5 second side of cord hole is equipped with of shell 1 is equipped with the input port Micro USB 9, is used for
For access card charging；Power management module 8 and Beidou module (except antenna, indicator light) 3, power management are installed inside shell 1
Module 8 is connected with Beidou module (removing antenna, indicator light) 3, is that Beidou module (removing antenna, indicator light) 3 provides operating voltage, north
Bucket module (removing antenna, indicator light) 3 is connected with antenna 4 by radio frequency coaxial cables；Beidou module switch key 2 and Beidou module
Indicator light 6 is connected with Beidou module (removing antenna, indicator light) 3 respectively；RFID module 7 is pasted in shell 1, for storing people
Member's identity information and identification.
Shown in Fig. 2, a kind of access card sending location information function with Beidou positioning and short message, including power management
Module, Beidou module and RFID module；Power management module provides operating voltage for Beidou module.
Beidou module switch key control flow chart is as shown in figure 3, such design is primarily due to Beidou module and although adopts
It is low-power consumption, Beidou module operating power consumption is 200mW, uses wink when a key/timing transmitting position and temporal information function
Between operating current be 2A, so Beidou module power supply can be closed in the case where not using, save electricity consumption.It is worth noting that
Only in the case where Beidou module is in open state, 1 switch key of short-press could use a key to send position and time letter again
Cease function, long-pressing switch key be more than 2s could use regularly send position and temporal information function.
Beidou module switch key control flow includes the following steps:
1) Beidou module is in off-mode, detects actuation of keys, if it is 1 switch key of short-press, power management mould
Block provides operating voltage, Beidou module booting for Beidou module, and Beidou module indicator light is lighted, can be entered step 2)；If no
It is 1 switch key of short-press, then rejudges；
2) Beidou module is in open state, detects actuation of keys, if it is 1 switch key of short-press, implements key hair
Position and temporal information are sent, while the flashing of Beidou module indicator light is primary；If not 1 switch key of short-press, then enter step
It is rapid 3)；
3) Beidou module is in open state, detects actuation of keys, is more than 2s if it is long-pressing switch key, implements timing
Position and temporal information are sent, while at set time intervals, Beidou module indicator light timing flashes primary；If not
Long-pressing switch key is more than 2s, then enters step 4)；
4) Beidou module is in open state, detects actuation of keys, if it is 2 switch keys are continuously pressed, closes Beidou
Module, power management module stop being that Beidou module is powered, and Beidou module indicator light extinguishes；If not continuous by No. 2 switches
Key, then return step 2) it rejudges.
The present invention is in use, use access card function, i.e. access card when access card enters frequency read/write magnetic field range
The radiofrequency signal that frequency read/write issues is received by induction coil, is RFID chip power supply by coil-induced generation voltage, and
Complete the reading or write-in information operation to access card；When the movement of Beidou module switch key, check whether to be short-press 1 time
Beidou module power-on operation be to open Beidou module if it is not, then rejudging, at this time power management module be north
Struggle against module for power supply, and Beidou module can receive the prompt information from Beidou satellite system, while Beidou module indicator light in real time
It lights instruction Beidou module and is in open state；Under Beidou module open state, if detecting, Beidou module switch key is dynamic
Make, judge whether it is a short-press 1 time key and send operation, is that then one key of Beidou module sends position and temporal information is available, together
When the flashing of Beidou module indicator light it is primary, if it is not, then judging whether it is long-pressing Beidou module switch key (being greater than 2s), be
Then Beidou module regularly sends position and temporal information is available, and according to setting time interval, Beidou module indicator light timing flashes
Once, it is continuously operated by Beidou module switch key 2 times closing Beidou modules if it is not, then judging whether it is, is to close
Beidou module is closed, power management module stops being Beidou module power supply, while Beidou module indicator light extinguishes, if it is not, then
Keep Beidou module booting and Beidou module indicator light illuminating state.
Shown in Fig. 4, the Beidou module in the present invention includes antenna, radio frequency submodule, control submodule, Beidou module instruction
Lamp, RDSS function sub-modules and RNSS/GPS function sub-modules, wherein control submodule, RDSS function sub-modules and RNSS/GPS
Function sub-modules constitute Beidou module control unit；Antenna is connected with radio frequency submodule by radio frequency coaxial cables；Radio frequency submodule
Block is connected with Beidou module control unit by spi bus；Beidou module indicator light is connected with I/O mouthfuls of Beidou module control unit
It connects, is used to indicate Beidou module working condition, control submodule control instructions lamp shows state；The antenna is for receiving and sending out
Wireless signal is sent, radio frequency submodule comes from big-dipper satellite system for handling the wireless signal that antenna receives, from antenna is received
The wireless signal of system carries out down-converted, A/D conversion by radio frequency submodule, catches by time reference to check-in signal
Obtain, judgement of sampling, check-in signal parsing etc. is after a series of processing, send RDSS function sub-modules or RNSS/GPS function submodule
Block；The signal come out from RDSS function sub-modules or RNSS/GPS function sub-modules carries out outbound information by radio frequency submodule
Generate, spread spectrum, channel combining, by time reference to exit signal adjustment, QPSK modulation, D/A conversion and upconversion process, it
Beidou satellite system is sent to by transmission antenna afterwards；Control submodule is for controlling radio frequency submodule, RDSS function sub-modules
With timing, operating mode and the key of RNSS/GPS function sub-modules/regularly send location information etc..
The course of work of Beidou module, includes the following steps:
1) control submodule is after detecting the button operation that a key sends position and temporal information；
1-1) flashing of Beidou module indicator light is primary；
1-2) by the received wireless signal handled through radio frequency submodule, via spi bus send RDSS function sub-modules or
RNSS/GPS function sub-modules；
1-3) pass through radio frequency submodule from the signal that RDSS function sub-modules or RNSS/GPS function sub-modules come out, through sending
Antenna is sent to Beidou satellite system；
After the completion of 1-4) key sends position and temporal information, Beidou module enters suspend mode, waits button operation next time；
2) control submodule is after detecting the button operation for regularly sending position and temporal information；
2-1) periodically flashing is primary at set time intervals for Beidou module indicator light；
2-2) by received wireless signal, it is sent to radio frequency submodule and RDSS function sub-modules or RNSS/GPS function submodule
Block；
2-3) treated wireless signal is periodically sent to Beidou satellite system according to setting interval time；
After the completion of 2-4) regularly sending position and temporal information, Beidou module enters suspend mode, waits button operation next time.
Short message is realized as the peculiar function of BEI-DOU position system, the function by following steps:
1) sender first by after the communication application signal encryption comprising recipient's ID number and Content of communciation by satellite forward into
It stands；
2) after ground central station receives communication application signal, the outbound broadcast electricity persistently broadcasted is added through DecryptDecryption and after re-encrypting
Wen Zhong, through satellite broadcasting to user；
3) recipient's subscriber computer receives exit signal, and outbound text is decrypted in demodulation, completes primary communication.
Shown in Fig. 5, energy supply control module of the present invention includes lithium polymer battery, power management submodule, charging interface；Electricity
Source control submodule uses power management chip, for realizing buck conversion, lithium battery Charge Management, by lithium polymer battery
Voltage rises to 5V for providing operating voltage for Beidou module；Lithium electricity is given by the charging interface being arranged on power management module
Pond charging.In the present embodiment, the lithium polymer battery uses rechargeable lithium battery, and the power management chip uses
IP5318 chip, the charging interface use Micro USB interface；The power management chip respectively with lithium polymer battery,
Charging interface.
Shown in Fig. 6, the RFID module in the present invention uses commercially available RFID module, includes RFID radio-frequency module and RFID
Module, RFID radio-frequency module use induction coil, for transmitting and receiving wireless signal, and RFID submodule uses RFID chip,
For storing the identity information of access card wearer；When access card enters frequency read/write magnetic field range, RFID radio frequency mould
Block receives the radiofrequency signal that frequency read/write issues, and is RFID chip power supply by coil-induced generation voltage, and frequency read/write is logical
It crosses induction coil and information operation is read out or be written to RFID chip.In the present embodiment, the RFID chip uses
NTAG213 chip, the RFID chip are connected with induction coil.
Claims (8)
1. a kind of access card for sending location information function with Beidou positioning and short message, it is characterised in that: including power supply pipe
Manage module, Beidou module and RFID module；Power management module is connected with Beidou module, and power management module mentions for Beidou module
For operating voltage；
The power management module includes lithium polymer battery, power management submodule and charging interface；Power management submodule
Lithium polymer battery voltage is risen to for realizing buck conversion and lithium battery Charge Management by 5V using power management chip
For providing operating voltage for Beidou module；It is charged by the charging interface being arranged on power management module to lithium battery；Institute
Power management chip is stated to be connected with lithium polymer battery and charging interface respectively；
The Beidou module includes antenna, radio frequency submodule, control submodule, Beidou module indicator light, RDSS function sub-modules
With RNSS/GPS function sub-modules, wherein control submodule, RDSS function sub-modules and RNSS/GPS function sub-modules constitute north
Struggle against module control unit；Antenna is connected with radio frequency submodule by radio frequency coaxial cables；Radio frequency submodule and Beidou module control
Unit is connected by spi bus；Beidou module indicator light is connected with I/O mouthfuls of Beidou module control unit, is used to indicate Beidou
Module working condition, control submodule control instructions lamp show state；The antenna is for sending and receiving wireless signal, radio frequency
Submodule passes through for handling the wireless signal that antenna receives from the received wireless signal from Beidou satellite system of antenna
After radio frequency submodule is handled, RDSS function sub-modules or RNSS/GPS function sub-modules are sent；From RDSS function sub-modules
Or the signal that RNSS/GPS function sub-modules come out is handled by radio frequency submodule, is sent to Beidou by transmission antenna later
Satellite system；Control submodule be used for control radio frequency submodule, RDSS function sub-modules and RNSS/GPS function sub-modules when
Sequence, operating mode and a key/regularly send location information.
2. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the lithium polymer battery uses rechargeable lithium battery.
3. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the power management chip uses IP5318 chip.
4. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the charging interface uses Micro USB interface.
5. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the RFID module includes RFID radio-frequency module and RFID submodule, and RFID radio-frequency module uses induction coil, for sending out
Wireless signal is penetrated and receives, RFID submodule uses RFID chip, for storing the identity information of access card wearer；It is described
RFID chip is connected with induction coil.
6. the access card according to claim 5 for sending location information function with Beidou positioning and short message, feature
Be: the RFID chip uses NTAG213 chip.
7. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the course of work of the Beidou module includes the following steps:
1) control submodule is after detecting the button operation that a key sends position and temporal information；
1-1) flashing of Beidou module indicator light is primary；
1-2) by the received wireless signal handled through radio frequency submodule, via spi bus send RDSS function sub-modules or
RNSS/GPS function sub-modules；
1-3) pass through radio frequency submodule from the signal that RDSS function sub-modules or RNSS/GPS function sub-modules come out, through sending
Antenna is sent to Beidou satellite system；
After the completion of 1-4) key sends position and temporal information, Beidou module enters suspend mode, waits button operation next time；
2) control submodule is after detecting the button operation for regularly sending position and temporal information；
2-1) periodically flashing is primary at set time intervals for Beidou module indicator light；
2-2) by received wireless signal, it is sent to radio frequency submodule and RDSS function sub-modules or RNSS/GPS function submodule
Block；
2-3) treated wireless signal is periodically sent to Beidou satellite system according to setting interval time；
After the completion of 2-4) regularly sending position and temporal information, Beidou module enters suspend mode, waits button operation next time.
8. the access card according to claim 1 for sending location information function with Beidou positioning and short message, feature
Be: the switch key control flow of Beidou module includes the following steps:
1) Beidou module is in off-mode, detects actuation of keys, if it is 1 switch key of short-press, power management mould
Block provides operating voltage, Beidou module booting for Beidou module, and Beidou module indicator light is lighted, can be entered step 2)；If no
It is 1 switch key of short-press, then rejudges；
2) Beidou module is in open state, detects actuation of keys, if it is 1 switch key of short-press, implements key hair
Position and temporal information are sent, while the flashing of Beidou module indicator light is primary；If not 1 switch key of short-press, then enter step
It is rapid 3)；
3) Beidou module is in open state, detects actuation of keys, is more than 2s if it is long-pressing switch key, implements timing
Position and temporal information are sent, while at set time intervals, Beidou module indicator light timing flashes primary；If not
Long-pressing switch key is more than 2s, then enters step 4)；
4) Beidou module is in open state, detects actuation of keys, if it is 2 switch keys are continuously pressed, closes Beidou
Module, power management module stop being that Beidou module is powered, and Beidou module indicator light extinguishes；If not continuous by No. 2 switches
Key, then return step 2) it rejudges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910668503.9A CN110298430A (en) | 2019-07-23 | 2019-07-23 | A kind of access card sending position functions with Beidou positioning and short message |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910668503.9A CN110298430A (en) | 2019-07-23 | 2019-07-23 | A kind of access card sending position functions with Beidou positioning and short message |
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| CN110298430A true CN110298430A (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113050132A (en) * | 2021-03-15 | 2021-06-29 | 江西北斗云智慧科技有限公司 | Mobile terminal system with built-in Beidou short message and Beidou positioning function |
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| CN203721042U (en) * | 2014-03-17 | 2014-07-16 | 林兴志 | Beidou intelligent controller for internet of vessels |
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