CN103676948A - Active smart tag and application method thereof - Google Patents
Active smart tag and application method thereof Download PDFInfo
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- CN103676948A CN103676948A CN201210329801.3A CN201210329801A CN103676948A CN 103676948 A CN103676948 A CN 103676948A CN 201210329801 A CN201210329801 A CN 201210329801A CN 103676948 A CN103676948 A CN 103676948A
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Abstract
The invention discloses an active smart tag and an application method thereof. The smart tag consists of an active smart voice tag and an infield positioning base station; the active smart tag obtains person and vehicle position information through a low-frequency signal trigger mode, automatically informs destinations to persons and vehicles after identifying through the real-time voice synthesis technology, automatically guides the persons and the vehicles to achieve the appointed destinations, and can be widely applied to such fields as conferences and parking lots. The active smart tag realizes the automatic identification, tracking, positioning and collection of person and vehicle positions, and guides the persons and the vehicles to achieve the appointed destinations under the condition of needing no manual intervention. The active smart tag can identify the synchronous entering and exiting of large quantities of target persons or vehicles, automatically informs the destinations to the persons or the vehicles, and implements the accurate guidance; the active smart tag has the advantages of accurate positioning, high data transmission speed, low power consumption and low cost.
Description
Technical field
The present invention relates to a kind of intelligently guiding technology, relate in particular to a kind of active wisdom label and using method.
Background technology
Development along with modern society, be on the increase in the places such as convention, the large-scale place of having a dinner party, large parking lot, and these local cars people from river is more, stops cumbersome, generally need to obtain people, vehicle position information, and need guide people and vehicle to arrive named place of destination.
In prior art, be mostly with artificial guiding, but the today improving constantly at cost of human resources is obviously economical not.Mode that a kind of low frequency signal triggers can realize the location recognition of people, vehicle, though but this mode has realized the location recognition of people, vehicle, but do not solve people, vehicle be identified after this where, this problem of how to go, common active label cannot address these problems.
How without manual intervention in the situation that, to realize people, truck position automatically identify, follow the trail of, locate, collect and guide people, car to arrive named place of destination be the current problem that will solve.
Summary of the invention
The deficiency existing for prior art, for where solving behind people, car location this, this problem of how to go, the invention provides a kind of new technical scheme, a kind of active wisdom label and using method, this active wisdom label obtains people, vehicle position information by low frequency signal triggering mode, and by real-time voice synthetic technology, after automatic nunciator, vehicle are identified, this where, and guide people, vehicle arrive named place of destination automatically, can be widely applied to the fields such as meeting, parking lot.
The invention provides following technical scheme:
An active wisdom label, described wisdom label is comprised of active wisdom voice label and internal field locating base station;
Active wisdom voice label is by forming below:
A is main cpu, is the brain of label of the present invention, and has abundant peripheral interface, and described peripheral interface includes but not limited to SPI, UART, I2C, and described peripheral interface is responsible for all peripherals accesses;
B, low-frequency trigger, described low-frequency trigger is radio-frequency wakeup receiving circuit, can realize 6 meters of above triggering distances; Described radio-frequency wakeup receiving circuit provides a digital RSSI (received signal strength indicator) value for each service aisle, and support programmable data speed and with the manchester decoder of clock recovery, described radio-frequency wakeup receiving circuit also comprises an internal clock generator being produced by crystal oscillator or inner RC oscillator, and described radio-frequency wakeup receiving circuit provides first built-in automatic antenna tuner in similar device, can tune the antenna to required carrier frequency;
C, be 2.4G wireless radio frequency circuit, by integrated link manager, described 2.4G wireless radio frequency circuit can be controlled reliably to Star Network, described 2.4G wireless radio frequency circuit is inner integrated digital signal receiving intensity indicator (RSSI), real-time clock (RTC) and programmable clock out, Gaussian filter, phaselocked loop (PLL) and loop filter;
D, be sound-compound-circuit, when the situations such as tag alert Meeting Signature result of the present invention, emergency notice, host CPU can send synthetic instruction to it by UART;
Described internal field locating base station function comprises:
E, Manchester's cde (Manchester Encoding), be also called phase encoding (PE), is a synchronous clock coding techniques, by Physical layer, made clock and the data for the synchronous bit stream of encoding; Described coding provides a simple mode not have the long cycle there is no class change to the simple binary sequence of coding, thereby prevents the loss of clock synchronous, or in the simulation of poor compensation, links bit-errors from low frequency displacements; Under this technology, actual binary data is transmitted through this cable, is not that the logical one or 0 as a sequence sends; On the contrary, these are converted into a slightly different form;
F, 125k radio-frequency transmissions circuit, adopt discrete component to realize, and mainly comprises TC4426, IRF7389, PMEG4010 etc.
In preferred version of the present invention, described low-frequency trigger is 125k radio-frequency wakeup receiving circuit.
In preferred version of the present invention, wherein 125k low frequency receives and to wake chip up and adopt micro-AS3933 difficult to understand, and the optimal design by circuit can realize the triggering distance of 6 meters of left and right farthest; And distance can regulate, scope is at 0.3-6 rice, the precise position information of underwriter, vehicle.
In preferred version of the present invention, wherein 2.4G chip adopts micro-AS3940 difficult to understand, and the optimal design by circuit can realize the data transmission distance of 80 meters of left and right farthest, and the positional information of underwriter, vehicle is accurately transmitted.
Wherein real-time voice adopts SYN6288 Chinese speech synthesis chip, by asynchronous serial port communication modes, receives text data to be synthesized, realizes the conversion of Text To Speech (or TTS voice).
A kind of method of using described active wisdom label, by low-frequency trigger being installed at interior of building key position, when carrying described active wisdom label, people, vehicle can obtain people, vehicle position information, by described 2.4G frequency, realize data transmission and background system carries out data interaction, then by real-time voice synthetic technology, after automatic nunciator, vehicle are identified, this where, and guide people, vehicle arrive named place of destination automatically.
In the present invention, location label is encoded, by described low-frequency trigger constantly to spatial emission coded message; When people or car enter, described low-frequency trigger wakes host CPU up, and location label is read and decoded to logical SPI interface, by described 2.4G wireless radio frequency circuit, issue center processing gateway, and by gateway return message, by described 2.4G wireless radio frequency circuit, receive, if in voice message, by host CPU, by UART, send phonetic synthesis instruction to sound-compound-circuit again, realize people's wisdom work and remind, or the wisdom voice guide of car.
Active wisdom label of the present invention and using method, by low frequency signal triggering mode, obtain people, vehicle position information, and by real-time voice synthetic technology, after automatic nunciator, vehicle are identified, this where, and guide people, vehicle arrive named place of destination automatically, can be widely applied to the fields such as meeting, parking lot.Without manual intervention in the situation that, realizing people, truck position automatically identifies, follows the trail of, locates, collects and guide people, car arrive named place of destination.When can identify large quantities of target people or vehicle, pass in and out the destination of also automatic nunciator or vehicle and accurately guide, accurate positioning, data rate is high, low in energy consumption, and cost is low.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of active wisdom label of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of active wisdom label, described wisdom label is comprised of active wisdom voice label and internal field locating base station;
Described active wisdom voice label is by forming below:
A is main cpu, is the brain of label of the present invention, and has abundant peripheral interface, and described peripheral interface includes but not limited to SPI, UART, I2C, and described peripheral interface is responsible for all peripherals accesses; PIC16F1937 is that 36 I/O mouth band LCD of 44 pin drive single-chip microcomputer, can drive 96 sections, program space 8K word, EEPROM is 256 bytes, SRAM is respectively 512 bytes, 10 Precision A/D C of 14 passages, 16 passage capacitance touch sensing modules can be done touch key-press, 1 16 bit timing device of 48 bit timing devices, with hardware serial ports, MSSP, 3 ECCP, 2 CCP modules; Cost performance is splendid; Better than PIC16F917 series cost performance in the past; Pin can be completely compatible;
B, low-frequency trigger, described low-frequency trigger is radio-frequency wakeup receiving circuit, described 125k radio-frequency wakeup receiving circuit adopts AS3933, and adopts the inductance that ratio of precision is higher, realizes 6 meters of above triggering distances; The above the ordinary 80 μ Vrms susceptibilitys of AS3933, can be optimized BOM cost and the scope of waking up, and the ultralow current drain of its 2.7 μ A has also greatly extended battery life; Its receive frequency range is extensive, be 15 to 150kHz, for designer designs active RFID technology, high value assets tracking, real-time positioning system, operator's identification, wireless sensor network and access control or remote keyless, the various application such as enter dirigibility is provided.AS3933 provides a digital RSSI (received signal strength indicator) value for each service aisle, and supports programmable data speed and with the manchester decoder of clock recovery.It also comprises an internal clock generator being produced by crystal oscillator or inner RC oscillator, and AS3933 provides first built-in automatic antenna tuner in similar device, can tune the antenna to required carrier frequency.Conventionally client can require these functions to reduce their BOM cost, does not affect again performance; Programmable functions allows for longer distance and is optimized setting, keeps " waking up " reliably simultaneously.The grade of sensitivity of AS3933 can regulate under stronger radio-frequency field or noise circumstance.Antenna tuning has obtained very big simplification, because its automatic tuning capabilities can be guaranteed the carrier frequency that perfect matching is required.
C, be 2.4G wireless radio frequency circuit, by integrated link manager, described 2.4G wireless radio frequency circuit can be controlled reliably to Star Network, described 2.4G wireless radio frequency circuit is inner integrated digital signal receiving intensity indicator (RSSI), real-time clock (RTC) and programmable clock out, Gaussian filter, phaselocked loop (PLL) and loop filter.Described 2.4G wireless radio frequency circuit adopts first fully-integrated 2.4GHz hyperchannel frequency shift keying (FSK) transceiver AS3940 of micro-release difficult to understand, by integrated link manager, AS3940 can control reliably to Star Network (nearly 8 clients).Low-power consumption, highly sensitive AS3940 message transmission rate are 250kbps to 2Mbps (100dBm@250kbps,-92dBm@2Mbps), inner integrated digital signal receiving intensity indicator (RSSI), real-time clock (RTC) and programmable clock out, Gaussian filter, phaselocked loop (PLL) and loop filter.
D, be sound-compound-circuit, mainly use space sound SYN6288 chip all over the world, when the situations such as tag alert Meeting Signature result of the present invention, emergency notice, host CPU can send synthetic instruction to it by UART;
Described internal field locating base station function comprises:
E, Manchester's cde (Manchester Encoding), be also called phase encoding (PE), is a synchronous clock coding techniques, by Physical layer, made clock and the data for the synchronous bit stream of encoding; Described coding provides a simple mode not have the long cycle there is no class change to the simple binary sequence of coding, thereby prevents the loss of clock synchronous, or in the simulation of poor compensation, links bit-errors from low frequency displacements; Under this technology, actual binary data is transmitted through this cable, is not that the logical one or 0 as a sequence sends; On the contrary, these are converted into a slightly different form; It is by using direct binary coding to have a lot of advantages.
F, 125k radio-frequency transmissions circuit, adopt discrete component to realize, and mainly comprises TC4426, IRF7389, PMEG4010 etc.
In preferred version of the present invention, described low-frequency trigger is 125k radio-frequency wakeup receiving circuit.
In preferred version of the present invention, wherein 125k low frequency receives and to wake chip up and adopt micro-AS3933 difficult to understand, and the optimal design by circuit can realize the triggering distance of 6 meters of left and right farthest; And distance can regulate, scope is at 0.3-6 rice, the precise position information of underwriter, vehicle.
In preferred version of the present invention, wherein 2.4G chip adopts micro-AS3940 difficult to understand, and the optimal design by circuit can realize the data transmission distance of 80 meters of left and right farthest, and the positional information of underwriter, vehicle is accurately transmitted.
Wherein real-time voice adopts SYN6288 Chinese speech synthesis chip, by asynchronous serial port communication modes, receives text data to be synthesized, realizes the conversion of Text To Speech (or TTS voice).
A kind of method of using described active wisdom label, by low-frequency trigger being installed at interior of building key position, when carrying described active wisdom label, people, vehicle can obtain people, vehicle position information, by described 2.4G frequency, realize data transmission and background system carries out data interaction, then by real-time voice synthetic technology, after automatic nunciator, vehicle are identified, this where, and guide people, vehicle arrive named place of destination automatically.
In the present invention, location label is encoded, by described low-frequency trigger constantly to spatial emission coded message; When people or car enter, described low-frequency trigger wakes host CPU up, and location label is read and decoded to logical SPI interface, by described 2.4G wireless radio frequency circuit, issue center processing gateway, and by gateway return message, by described 2.4G wireless radio frequency circuit, receive, if in voice message, by host CPU, by UART, send phonetic synthesis instruction to sound-compound-circuit again, realize people's wisdom work and remind, or the wisdom voice guide of car.
The present invention realizes people without manual intervention in the situation that, truck position is automatically identified, follows the trail of, locates, collected also guide people, car and arrives named place of destination.When can identify large quantities of target people or vehicle, pass in and out the destination of also automatic nunciator or vehicle and accurately guide, accurate positioning, data rate is high, low in energy consumption, and cost is low.This makes to become feasible for the application scheme of a large amount of people or vehicle.
Should be noted that, above embodiment is only unrestricted in order to the technical scheme of explanation invention, those of ordinary skills are to be understood that, technical scheme of the present invention is modified or is equal to replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in claim scope of the present invention.
Claims (7)
1. an active wisdom label, is characterized in that: described wisdom label is comprised of active wisdom voice label and internal field locating base station;
Described active wisdom voice label is by forming below:
A is main cpu, is the brain of label of the present invention, and has abundant peripheral interface, and described peripheral interface includes but not limited to SPI, UART, I2C, and described peripheral interface is responsible for all peripherals accesses;
B, low-frequency trigger, described low-frequency trigger is radio-frequency wakeup receiving circuit, can realize 6 meters of above triggering distances; Described radio-frequency wakeup receiving circuit provides a digital RSSI (received signal strength indicator) value for each service aisle, and support programmable data speed and with the manchester decoder of clock recovery, described radio-frequency wakeup receiving circuit also comprises an internal clock generator being produced by crystal oscillator or inner RC oscillator, and described radio-frequency wakeup receiving circuit provides first built-in automatic antenna tuner in similar device, can tune the antenna to required carrier frequency;
C, be 2.4G wireless radio frequency circuit, by integrated link manager, described 2.4G wireless radio frequency circuit can be controlled reliably to Star Network, described 2.4G wireless radio frequency circuit is inner integrated digital signal receiving intensity indicator (RSSI), real-time clock (RTC) and programmable clock out, Gaussian filter, phaselocked loop (PLL) and loop filter;
D, be sound-compound-circuit, when the situations such as tag alert Meeting Signature result of the present invention, emergency notice, host CPU can send synthetic instruction to it by UART;
Described internal field locating base station function comprises:
E, Manchester's cde (Manchester Encoding), be also called phase encoding (PE), is a synchronous clock coding techniques, by Physical layer, made clock and the data for the synchronous bit stream of encoding; Described coding provides a simple mode not have the long cycle there is no class change to the simple binary sequence of coding, thereby prevents the loss of clock synchronous, or in the simulation of poor compensation, links bit-errors from low frequency displacements; Under this technology, actual binary data is transmitted through this cable, is not that the logical one or 0 as a sequence sends; On the contrary, these are converted into a slightly different form;
F, 125k radio-frequency transmissions circuit, adopt discrete component to realize, and mainly comprises TC4426, IRF7389, PMEG4010 etc.
2. active wisdom label as claimed in claim 1, is characterized in that: described low-frequency trigger is 125k radio-frequency wakeup receiving circuit.
3. active wisdom label as claimed in claim 1, is characterized in that: wherein 125k low frequency receives and wakes chip up and adopt micro-AS3933 difficult to understand, and the optimal design by circuit can realize the triggering distance of 6 meters of left and right farthest; And distance can regulate, scope is at 0.3-6 rice, the precise position information of underwriter, vehicle.
4. active wisdom label as claimed in claim 1, is characterized in that: wherein 2.4G chip adopts micro-AS3940 difficult to understand, and the optimal design by circuit can realize the data transmission distance of 80 meters of left and right farthest, and the positional information of underwriter, vehicle is accurately transmitted.
5. active wisdom label as claimed in claim 1, it is characterized in that: wherein real-time voice adopts SYN6288 Chinese speech synthesis chip, by asynchronous serial port communication modes, receive text data to be synthesized, realize the conversion of Text To Speech (or TTS voice).
6. a right to use requires the method for active wisdom label described in 1-5, by low-frequency trigger being installed at interior of building key position, when carrying described active wisdom label, people, vehicle can obtain people, vehicle position information, by described 2.4G frequency, realize data transmission and background system carries out data interaction, then by real-time voice synthetic technology, after automatic nunciator, vehicle are identified, this where, and guide people, vehicle arrive named place of destination automatically.
7. the method for the active wisdom label of use as claimed in claim 6, is characterized in that: location label is encoded, by described low-frequency trigger constantly to spatial emission coded message; When people or car enter, described low-frequency trigger wakes host CPU up, and location label is read and decoded to logical SPI interface, by described 2.4G wireless radio frequency circuit, issue center processing gateway, and by gateway return message, by described 2.4G wireless radio frequency circuit, receive, if in voice message, by host CPU, by UART, send phonetic synthesis instruction to sound-compound-circuit again, realize people's wisdom work and remind, or the wisdom voice guide of car.
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| CN201210329801.3A CN103676948A (en) | 2012-09-07 | 2012-09-07 | Active smart tag and application method thereof |
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| CN201210329801.3A CN103676948A (en) | 2012-09-07 | 2012-09-07 | Active smart tag and application method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070052809A (en) * | 2005-11-18 | 2007-05-23 | 주식회사 온니테크 | Rfid system with voice synthesis engine |
| CN201845444U (en) * | 2010-09-29 | 2011-05-25 | 苏州苏大万佳技术有限公司 | Intelligent parking guide system based on Internet of things |
| CN202142084U (en) * | 2011-06-09 | 2012-02-08 | 上海秀派电子科技有限公司 | Low frequency triggering general electronic tag |
| CN202230501U (en) * | 2011-09-02 | 2012-05-23 | 深圳市金溢科技有限公司 | Vehicle-mounted electronic tag |
| CN202373001U (en) * | 2011-11-24 | 2012-08-08 | 中船重工(武汉)凌久信息技术有限公司 | Low-frequency activated passive active radio frequency identification device |
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- 2012-09-07 CN CN201210329801.3A patent/CN103676948A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070052809A (en) * | 2005-11-18 | 2007-05-23 | 주식회사 온니테크 | Rfid system with voice synthesis engine |
| CN201845444U (en) * | 2010-09-29 | 2011-05-25 | 苏州苏大万佳技术有限公司 | Intelligent parking guide system based on Internet of things |
| CN202142084U (en) * | 2011-06-09 | 2012-02-08 | 上海秀派电子科技有限公司 | Low frequency triggering general electronic tag |
| CN202230501U (en) * | 2011-09-02 | 2012-05-23 | 深圳市金溢科技有限公司 | Vehicle-mounted electronic tag |
| CN202373001U (en) * | 2011-11-24 | 2012-08-08 | 中船重工(武汉)凌久信息技术有限公司 | Low-frequency activated passive active radio frequency identification device |
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