CN204465527U - A kind of ultra broadband object locating system and ultra-broadband digital label thereof - Google Patents
A kind of ultra broadband object locating system and ultra-broadband digital label thereof Download PDFInfo
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- CN204465527U CN204465527U CN201520141389.1U CN201520141389U CN204465527U CN 204465527 U CN204465527 U CN 204465527U CN 201520141389 U CN201520141389 U CN 201520141389U CN 204465527 U CN204465527 U CN 204465527U
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Abstract
The utility model discloses a kind of ultra broadband object locating system and ultra-broadband digital label thereof, utilize the technical characterstic that UWB communication is unique, realize low-cost digital identification label, be very suitable for commercial radio frequency label (RFID) recognition system of low cost.Its technical scheme is: design a kind of ultra-broadband digital label, and by several fixing transducer, ultra-broadband digital label to be positioned is found range, the difference being received the absolute time of advent of the signal that ultra-broadband digital label sends by each transducer calculates the arrival time difference, realizes the accurate location to ultra-broadband digital label.
Description
Technical field
The utility model relates to label technique, particularly relates to the digital label technology realized based on Ultra-wideband Communication Technology.
Background technology
The range of application of digital label is more and more wider, and a kind of digital label generally used is exactly commercial radio frequency label (RFID).An important indicator in digital label technology is exactly the identification of label, and traditional RFID also exists that traffic rate is lower, fail safe is not high, system complexity is higher, anti-multipath effect is poor and the shortcoming such as positioning precision is inadequate in identification.
Ultra broadband (UWB) communication is a kind of communication technology of utilizing nanosecond burst pulse transmitting baseband wireless signal diverse with conventional communication techniques, and its application band is between 3.1GHz to 10.6GHz.UWB technology is because of its threedimensional locating ability and have important using value in short distance localization and tracking system accurately.The U.S. utilizes super-broadband tech for military radar system research from last century the eighties; Domesticly also be only limitted to theoretical research.Ultra broadband (UWB) communication has and is than the significant advantage of narrow-band communication system: high traffic rate, the high and low system complexity of fail safe, anti-multipath effect, can provide the advantage such as positioning precision of several centimetres, is be one of the technology of most competitiveness and development prospect at present.The digital label of UWB Technology design is utilized to be widely used in Precise Position System, as asset tracking, personnel positioning etc. in region.
Utility model content
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
The purpose of this utility model is to solve the problem, provide a kind of ultra broadband object locating system and ultra-broadband digital label thereof, utilize the technical characterstic that UWB communication is unique, realize low-cost digital identification label, be very suitable for commercial radio frequency label (RFID) recognition system of low cost.
The technical solution of the utility model is: the utility model discloses a kind of ultra-broadband digital label, it is characterized in that, comprising:
Micro-control unit, produces and sends recurrent pulse, has the data message of identify label number;
Pulse modulation unit, connects micro-control unit, receives the data message of micro-control unit transmission and data message is modulated into pulse signal;
Pulse compression unit, connects pulse modulation unit, and the pulse signal that received pulse modulating unit is sent also makes pulse signal narrow to ultra wideband applications frequency range by compression process, makes pulse signal become ultra-broadband signal;
RF filtering unit, connects pulse compression unit, the ultra-broadband signal after pulse compression unit process is carried out filtering process;
Antenna, connects RF filtering unit, launches the ultra-broadband signal after filtering process;
Power control circuit, connects micro-control unit, pulse modulation unit, pulse compression unit, RF filtering unit respectively, for label provides voltage.
According to an embodiment of ultra-broadband digital label of the present utility model, the application band of ultra broadband is between 3.1GHz to 10.6Ghz.
According to an embodiment of ultra-broadband digital label of the present utility model, pulse signal narrows between 6GHz to 7GHz by pulse compression unit further.
According to an embodiment of ultra-broadband digital label of the present utility model, antenna is micro-strip paster antenna.
According to an embodiment of ultra-broadband digital label of the present utility model, ultra-broadband digital label also comprises:
Low frequency front-end circuit, is received from the configuration order of outside by LC induction coil, carries out identifying, outputs to micro-control unit after filtering, waken up by micro-control unit from dormancy, stored parameter according to configuration order executable operations.
The utility model further discloses a kind of ultra broadband object locating system, it is characterized in that, comprising:
At least one ultra-broadband digital label;
Multiple transducer, label monitoring range is surrounded by the plurality of transducer, the plurality of transducer is connected to central processing unit by network, and the absolute time of advent of the signal that the ultra-broadband digital label received sends is sent to central processing unit by network by each transducer respectively;
Central processing unit, the difference of the absolute time of advent of sending based on the plurality of transducer carries out the location of ultra-broadband digital label.
According to an embodiment of ultra broadband object locating system of the present utility model, the application band of ultra-broadband digital label is between 3.1GHz to 10.6Ghz.
According to an embodiment of ultra broadband object locating system of the present utility model, the application band of ultra-broadband digital label narrows between 6GHz to 7GHz further.
According to an embodiment of ultra broadband object locating system of the present utility model, the antenna in ultra-broadband digital label is micro-strip paster antenna.
According to an embodiment of ultra broadband object locating system of the present utility model, ultra-broadband digital label also comprises:
Low frequency front-end circuit, is received from the configuration order of outside by LC induction coil, carries out identifying, outputs to micro-control unit after filtering, waken up by micro-control unit from dormancy, stored parameter according to configuration order executable operations.
The utility model contrast prior art has following beneficial effect: scheme of the present utility model is a kind of ultra-broadband digital label of design, and by several fixing transducer, ultra-broadband digital label to be positioned is found range, the difference being received the absolute time of advent of the signal that ultra-broadband digital label sends by each transducer calculates the arrival time difference, realizes the accurate location to ultra-broadband digital label.Ultra-broadband digital label of the present utility model can be widely used in the commercial communication fields such as logistics management, production monitoring, personnel's supervision.
Accompanying drawing explanation
Fig. 1 shows the theory diagram of the preferred embodiment of ultra-broadband digital label of the present utility model.
Fig. 2 shows the circuit diagram of the micro-control unit in ultra-broadband digital label of the present utility model.
Fig. 3 shows the circuit diagram of the pulse modulation unit in ultra-broadband digital label of the present utility model.
Fig. 4 shows the circuit diagram of the pulse compression unit in ultra-broadband digital label of the present utility model.
Fig. 5 shows the circuit diagram of the RF filtering unit in ultra-broadband digital label of the present utility model.
Fig. 6 shows the circuit diagram of the power control circuit in ultra-broadband digital label of the present utility model.
Fig. 7 shows the circuit diagram of the low frequency front-end circuit in ultra-broadband digital label of the present utility model.
Fig. 8 shows the system principle diagram of the preferred embodiment of ultra broadband object locating system of the present utility model.
Embodiment
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present utility model can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 1 shows the principle of the preferred embodiment of ultra-broadband digital label of the present utility model.Refer to Fig. 1, the ultra-broadband digital label of the present embodiment comprises: the micro-control unit 11 (MCU) shown in Fig. 2, the pulse modulation unit 12 shown in Fig. 3, the pulse compression unit 13 shown in Fig. 4, the RF filtering unit 14 shown in Fig. 5, antenna 15, the power control circuit 16 shown in Fig. 6.
Annexation between these assemblies is: the output of micro-control unit 11 connects pulse modulation unit 12, the output of pulse modulation unit 12 connects pulse compression unit 13, the output of pulse compression unit 13 connects RF filtering unit 14, the output of RF filtering unit 14 connects antenna 15, and the output of power control circuit 16 connects micro-control unit 11, pulse modulation unit 12, pulse compression unit 13, RF filtering unit 14 respectively.
Ultra-broadband digital label to realize principle as follows.Micro-control unit 11 produces and sends recurrent pulse, has the data message of unique identify label number (ID).Pulse modulation unit 12 receives the data message of micro-control unit 11 transmission and data message is modulated into pulse signal.The pulse signal that pulse compression unit 13 received pulse modulating unit 12 is sent also makes pulse signal narrow to ultra wideband applications frequency range by compression process, makes pulse signal become ultra-broadband signal.Ultra wideband applications frequency range herein can be the frequency range between conventional 3.1GHz to 10.6Ghz, preferably narrows to further between 6GHz to 7GHz.Ultra-broadband signal after pulse compression unit 13 processes by RF filtering unit 14 carries out filtering process.The ultra-broadband signal after filtering process launched by antenna 15, and the antenna 15 in the present embodiment is such as micro-strip paster antenna.
Power control circuit 16 is micro-control units 11 for it connects, pulse modulation unit 12, pulse compression unit 13, RF filtering unit 14 (that is whole ultra-broadband digital label) provide voltage.Under normal operating conditions, under micro-control unit 11 is in resting state, when setting parameter time then, start power control circuit 16, button cell 3V voltage joins in the whole operating circuit of above-mentioned ultra-broadband digital label, to complete the transmitting of message.
Preferably, ultra-broadband digital label also comprises the low frequency front-end circuit 17 shown in Fig. 7.When needs carry out running parameter configuration to ultra-broadband digital label, the special instrument that arranges of available system sends configuration parameter order in LF frequency range to label, as started, stopping labeling task, the transmitting interrogation signals time interval etc.Low frequency front-end circuit 17 in label receives configuration order by LC induction coil, carries out identifying, filtering, outputs to micro-control unit 11, waken up by micro-control unit 11 from dormancy, micro-control unit 11 stored parameter by command-execution operation.
The maximum orientation distance of ultra broadband of the present utility model (UWB) digital label based on above-mentioned design is greater than 40 meters, and minimum resolution is less than 10 centimetres, and under normal mode of operation, average operation current sinking is not more than 5 microamperes, continuous operation can reach 10 years.
As for the existing way of ultra-broadband digital label, can, with the form of single plate structure, be arranged in a thin plastic box, human body be worn altogether; Also Pasting is attached to the assets surface needing monitoring.
Fig. 8 shows the system principle of the preferred embodiment of ultra broadband object locating system of the present utility model.Refer to Fig. 8, the ultra broadband object locating system of the present embodiment comprises at least one ultra-broadband digital label (Fig. 8 show multiple be attached to the Asset Tag in assets and the People Tab on multiple personnel of being worn on), (Fig. 8 is depicted as transducer 1 to transducer x) and a central processing unit 2 to multiple transducer.The concrete enforcement of ultra-broadband digital label, see aforesaid embodiment, does not repeat them here.
In system, the annexation of each equipment is: these transducers are connected to central processing unit 2 by network (such as local area network (LAN)).
The regional extent that label monitoring range is surrounded by transducer each in system limited, namely in system works field boundary.Each transducer is connected to central processing unit 2 by local area network (LAN) 3.The absolute time of advent receiving the signal that ultra-broadband digital label sends is sent to central processing unit 2 by network by each transducer respectively, carries out arrival time difference and location Calculation by central processing unit 2, realizes the accurate location to label.
Those skilled in the art will understand further, and the various illustrative logic plates, module, circuit and the algorithm steps that describe in conjunction with embodiment disclosed herein can be embodied as electronic hardware, computer software or the combination of both.For clearly explaining orally this interchangeability of hardware and software, various illustrative components, frame, module, circuit and step are done vague generalization above with its functional form and are described.This type of is functional is implemented as hardware or software depends on embody rule and puts on the design constraint of total system.Technical staff can realize described functional by different modes for often kind of application-specific, but such realize decision-making and should not be interpreted to and cause having departed from scope of the present utility model.
The various illustrative logic plates, module and the circuit that describe in conjunction with embodiment disclosed herein can realize with general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete door or transistor logic, discrete nextport hardware component NextPort or its any combination being designed to perform function described herein or perform.General processor can be microprocessor, but in alternative, and this processor can be the processor of any routine, controller, microcontroller or state machine.Processor can also be implemented as the combination of computing equipment, the combination of such as DSP and microprocessor, multi-microprocessor, with one or more microprocessor of DSP central cooperation or any other this type of configure.
The method described in conjunction with embodiment disclosed herein or the step of algorithm can be embodied directly in hardware, in the software module performed by processor or in the combination of both and embody.Software module can reside in the storage medium of RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or any other form known in the art.Exemplary storage medium is coupled to processor and can reads and written information from/to this storage medium to make this processor.In alternative, storage medium can be integrated into processor.Processor and storage medium can reside in ASIC.ASIC can be in the user terminal resident.In alternative, it is in the user terminal resident that processor and storage medium can be used as discrete assembly.
In one or more exemplary embodiment, described function can realize in hardware, software, firmware or its any combination.If be embodied as computer program in software, then each function can as one or more bar instruction or code storage on a computer-readable medium or mat its transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and it comprises facilitates computer program from a ground to any medium that another ground shifts.Storage medium can be can by any usable medium of computer access.Exemplarily non-limiting, such computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage apparatus, maybe can be used to carry or store instruction or data structure form desirable program code and can by other medium any of computer access.Any connection is also properly termed a computer-readable medium.Such as, if software be use coaxial cable, fiber optic cables, twisted-pair feeder, digital subscribe lines (DSL) or such as infrared, radio and microwave and so on wireless technology from web site, server or other remote source transmission, then this coaxial cable, fiber optic cables, twisted-pair feeder, DSL or such as infrared, radio and microwave and so on wireless technology are just included among the definition of medium.Dish as used herein (disk) and dish (disc) comprise compact disc (CD), laser dish, laser disc, digital versatile dish (DVD), floppy disk and blu-ray disc, its mid-game (disk) is often with the mode rendering data of magnetic, and dish (disc) laser rendering data to be optically.Above-mentioned combination also should be included in the scope of computer-readable medium.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (10)
1. a ultra-broadband digital label, is characterized in that, comprising:
Micro-control unit, produces and sends recurrent pulse, has the data message of identify label number;
Pulse modulation unit, connects micro-control unit, receives the data message of micro-control unit transmission and data message is modulated into pulse signal;
Pulse compression unit, connects pulse modulation unit, and the pulse signal that received pulse modulating unit is sent also makes pulse signal narrow to ultra wideband applications frequency range by compression process, makes pulse signal become ultra-broadband signal;
RF filtering unit, connects pulse compression unit, the ultra-broadband signal after pulse compression unit process is carried out filtering process;
Antenna, connects RF filtering unit, launches the ultra-broadband signal after filtering process;
Power control circuit, connects micro-control unit, pulse modulation unit, pulse compression unit, RF filtering unit respectively, for label provides voltage.
2. ultra-broadband digital label according to claim 1, is characterized in that, the application band of ultra broadband is between 3.1GHz to 10.6Ghz.
3. ultra-broadband digital label according to claim 2, is characterized in that, pulse signal narrows between 6GHz to 7GHz by pulse compression unit further.
4. ultra-broadband digital label according to claim 1, is characterized in that, antenna is micro-strip paster antenna.
5. ultra-broadband digital label according to claim 1, is characterized in that, ultra-broadband digital label also comprises:
Low frequency front-end circuit, is received from the configuration order of outside by LC induction coil, carries out identifying, outputs to micro-control unit after filtering, waken up by micro-control unit from dormancy, stored parameter according to configuration order executable operations.
6. a ultra broadband object locating system, is characterized in that, comprising:
At least one ultra-broadband digital label as claimed in claim 1;
Multiple transducer, label monitoring range is surrounded by the plurality of transducer, the plurality of transducer is connected to central processing unit by network, and the absolute time of advent of the signal that the ultra-broadband digital label received sends is sent to central processing unit by network by each transducer respectively;
Central processing unit, the difference of the absolute time of advent of sending based on the plurality of transducer carries out the location of ultra-broadband digital label.
7. ultra broadband object locating system according to claim 6, is characterized in that, the application band of ultra-broadband digital label is between 3.1GHz to 10.6Ghz.
8. ultra broadband object locating system according to claim 7, is characterized in that, the application band of ultra-broadband digital label narrows between 6GHz to 7GHz further.
9. ultra broadband object locating system according to claim 6, is characterized in that, the antenna in ultra-broadband digital label is micro-strip paster antenna.
10. ultra broadband object locating system according to claim 6, is characterized in that, ultra-broadband digital label also comprises:
Low frequency front-end circuit, is received from the configuration order of outside by LC induction coil, carries out identifying, outputs to micro-control unit after filtering, waken up by micro-control unit from dormancy, stored parameter according to configuration order executable operations.
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| CN201520141389.1U CN204465527U (en) | 2015-03-12 | 2015-03-12 | A kind of ultra broadband object locating system and ultra-broadband digital label thereof |
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| CN201520141389.1U CN204465527U (en) | 2015-03-12 | 2015-03-12 | A kind of ultra broadband object locating system and ultra-broadband digital label thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033981A (en) * | 2015-03-12 | 2016-10-19 | 上海申达自动防范系统工程有限公司 | Ultra-wide-band target positioning system and ultra-wide-band digital tag |
| CN106291447A (en) * | 2016-08-31 | 2017-01-04 | 中国人民解放军海军工程大学 | A kind of missile-borne beacon system |
-
2015
- 2015-03-12 CN CN201520141389.1U patent/CN204465527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033981A (en) * | 2015-03-12 | 2016-10-19 | 上海申达自动防范系统工程有限公司 | Ultra-wide-band target positioning system and ultra-wide-band digital tag |
| CN106291447A (en) * | 2016-08-31 | 2017-01-04 | 中国人民解放军海军工程大学 | A kind of missile-borne beacon system |
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Effective date of registration: 20170828 Address after: 201207 Shanghai City, Pudong New Area Chinese Jing (Shanghai) Free Trade Zone No. 351 Building No. 2 room A635-01 Patentee after: SHANGHAI WULING SHENGTONG INFORMATION TECHNOLOGY CO., LTD. Address before: 200331, Chang 318 Road, Shanghai, Shanghai, Putuo District Patentee before: Shanghai Shenda Automatic Guard System Engineering Co. Ltd. |