CN103454658A - Multi-target locating and tracing system - Google Patents
Multi-target locating and tracing system Download PDFInfo
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- CN103454658A CN103454658A CN2013103703199A CN201310370319A CN103454658A CN 103454658 A CN103454658 A CN 103454658A CN 2013103703199 A CN2013103703199 A CN 2013103703199A CN 201310370319 A CN201310370319 A CN 201310370319A CN 103454658 A CN103454658 A CN 103454658A
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Abstract
The invention discloses a multi-target locating and tracing system which comprises a receiving terminal and a plurality of emitting terminals. The receiving terminal comprises a central processing unit, wherein the output end of the central processing unit is connected with a display unit, and the input end of the central processing unit is connected with a signal receiving unit. Each emitting terminal comprises a satellite location receiving unit, wherein the output end of the satellite location receiving unit is sequentially connected with a signal modulating unit and a signal emitting unit, and the output end of the signal emitting unit is connected with the signal receiving unit. The multi-target locating and tracing system uses the receiving terminal to receive wireless address signals on the emitting terminals, and the function of simultaneously locating and tracing the emitting terminals is achieved in the receiving terminal. Furthermore, the multi-target locating and tracing system is adaptive to various severe environment or remote regions without base station signals, simple in structure, convenient to use and good in economical and social benefit. The multi-target locating and tracing system can be widely applied to the locating and tracing field based on wireless communication.
Description
Technical field
The present invention relates to a kind of device that utilizes the radiowave location tracking, particularly a kind of multiple goal location tracking system.
Background technology
GPS:Global Positioning System, GPS.
FM:Frequency Modulation, frequency modulation (PFM), refer to frequency modulation broadcasting here.
Wi-Fi: be a kind of can be by terminals such as PC, handheld devices (as panel computer, mobile phone) with the interconnected technology of wireless mode.
Bluetooth: the radiotelegraphy that is a kind of support equipment short haul connection (in general 10m).Can carry out the wireless messages exchange comprising between numerous equipment such as mobile phone, PDA, wireless headset, notebook computer and relevant peripheral hardware.
Along with scientific and technological progress, mobile phone and flat board wait the application of mobile terminal device to spread all over the every aspect in life, and from strength to strength, it is more and more convenient to carry for the function of these mobile terminals, and range of application is also more and more extensive.
In the mobile terminal location tracking application facet, the location of current mobile terminal is generally by receiving gps signal or big-dipper satellite positioning signal, locate self-position in electronic chart.But prior art realizes the multiple goal location tracking in same device end again.Although prior art can realize that mobile phone location forwards mutually, but this type of forwarding is forwarded via GPRS, 3G data network etc., when one side GPRS, 3G data network signal, by operator, provided, generally needing pays uses, mobile phone is not in the situation that there is no base station signal on the other hand, can't between terminal and terminal, set up and communicates by letter and forward positioning signal.Such as in the situation that the disasteies such as earthquake, floods cause communication system paralysis, position that can't the location tracking target terminal.Though prior art also has the anti-warning device of wandering away based on bluetooth or infrared technique, its know-why is to launch bluetooth or infrared signal by launch terminal, receiving terminal passes through to receive the intensity judgement of signal and the distance of launch terminal, and produces and report to the police over certain limit in distance.But this technology can only produce alerting signal by measuring distance, can't provide accurate positioning function, and communication distance is short, can't meet the demand of large scope tracing location.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide a kind of multiple goal location tracking system of realizing the multiple goal location tracking.
The technical solution adopted in the present invention is:
A kind of multiple goal location tracking system, it comprises receiving terminal and a plurality of launch terminal, described receiving terminal comprises CPU (central processing unit), the output terminal of described CPU (central processing unit) is connected with display unit, the input end of described CPU (central processing unit) is connected with signal receiving unit, described launch terminal comprises the satnav receiving element, the output terminal of described satnav receiving element is connected with signal modulating unit and signal transmitter unit in turn, and the output terminal of described signal transmitter unit is connected with the input end of signal receiving unit.
Preferably, be connected with signal demodulation unit between the output terminal of the input end of described CPU (central processing unit) and signal receiving unit.
Preferably, described signal receiving unit is the FM signal receiving unit, and described signal transmitter unit is FM signal transmitter unit, and described signal modulating unit is FM signal modulating unit.
Preferably, described signal demodulation unit is the FM signal demodulation unit.
Preferably, described signal receiving unit is the Wi-Fi signal receiving unit, and described signal transmitter unit is WI-FI signal transmitter unit, and described signal modulating unit is Wi-Fi signal modulating unit, and described signal demodulation unit is the Wi-Fi signal demodulation unit.
Preferably, described signal receiving unit is the Bluetooth signal receiving element, and described signal transmitter unit is the Bluetooth signal transmitter unit, and described signal modulating unit is the Bluetooth signal modulating unit, and described signal demodulation unit is the Bluetooth signal demodulating unit.
Preferably, described receiving terminal also comprises push-button unit, and the output terminal of described push-button unit is connected with another input end of CPU (central processing unit).
Preferably, described receiving terminal is mobile phone or panel computer.
Preferably, described satnav receiving element is GPS receiving element or big-dipper satellite receiving element.
Preferably, described a plurality of launch terminal is 4 launch terminals.
The invention has the beneficial effects as follows:
The present invention adopts receiving terminal to receive the radio address signal of a plurality of launch terminals, realizes the function of a plurality of launch terminals of location tracking simultaneously in receiving terminal.Launch terminal positioning signal receiving element via satellite obtains positional information, then sends positional information to receiving terminal by wireless mode.Be not subject on the one hand the impact of mobile network signals, in various rugged surroundings or remote etc. still available without the base station signal area, the user can realize free use on the other hand, saves use cost.And simple in structure, easy to use, there is good economic and social benefit.
In addition, launch terminal of the present invention is connected by the FM communication with receiving terminal, increased the communication distance of launch terminal and receiving terminal, make location tracking wider, do not affect location tracking in without the mobile network signals situation, particularly, when the disasteies such as earthquake, floods cause the communication system paralysis, can track out smoothly a plurality of moving targets; Use GPS or launch terminal position, big-dipper satellite positioning system location, use the signal of the free band transmissions launch terminal of FM and receiving terminal, system stability is reliable, and use procedure, without extra cost of use, is saved user cost; Launch terminal is connected by the FM communication with receiving terminal, and different launch terminals is operated in different FM frequency ranges, and receiving terminal is identified different launch terminals by different frequency range.
The present invention can be widely used in the location tracking field based on radio communication.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the electrical block diagram of basic conception of the present invention.
Embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, a kind of multiple goal location tracking system, it comprises receiving terminal and a plurality of launch terminal.Receiving terminal comprises CPU (central processing unit), the output terminal of CPU (central processing unit) is connected with display unit, the input end of CPU (central processing unit) is connected with signal receiving unit, launch terminal comprises the satnav receiving element, the output terminal of satnav receiving element is connected with signal modulating unit and signal transmitter unit in turn, and the output terminal of signal transmitter unit is connected with the input end of signal receiving unit.
In this embodiment, receiving terminal adopts smart mobile phone, and obviously receiving terminal can be also panel computer, personal desktop computer or notebook etc.Because smart mobile phone is high in present social popularity rate, performance is powerful, and function is many, so select smart mobile phone as the receiving terminal preferred embodiment.This smart mobile phone is equipped with electronic chart, has recorded base map information in electronic chart.Smart mobile phone receives the address signal of launching from a plurality of launch terminals by the wireless connections mode.The quantity of launch terminal can specifically be determined with the reception & disposal ability of smart mobile phone according to actual needs.
When using, each location tracking target all carries launch terminal with it.Launch terminal all is connected by the FM communication with smart mobile phone.Can certainly select Wi-Fi or bluetooth approach to connect, or the combination in any mode in FM, Wi-Fi and these three kinds of wireless connections modes of bluetooth (different launch terminals and the corresponding different wireless connections mode of the connection of receiving terminal).Adopt the FM communication to connect, increased the communication distance of launch terminal and receiving terminal, make location tracking wider, do not affect location tracking in without the mobile network signals situation, particularly when the disasteies such as earthquake, floods cause the communication system paralysis, can track out smoothly a plurality of moving targets, and the signal of the use free band transmissions launch terminal of FM and receiving terminal, system stability is reliable, use procedure is without extra cost of use, so select the FM communication as preferred embodiment.
The location tracking target by the satnav unit in launch terminal at position receiving satellite positioning signals separately.What in this embodiment, receive is the gps satellite positioning signal, and corresponding satnav unit is the GPS receiving element.The obvious big-dipper satellite receiving element that also can adopt receives the micro-letter positioning signal of the Big Dipper.Use GPS or launch terminal position, big-dipper satellite positioning system location, system stability is reliable, and use procedure is without extra cost of use.
In this embodiment, in smart mobile phone, with the FM receiving element, be integrated with the FM signal demodulation unit in CPU (central processing unit).The FM receiving element includes for receiving the FM receiving antenna of FM wireless signal.Display module is for showing electronic map information and location tracking target information.Each launch terminal has GPS receiving element, FM signal modulating unit and FM signal transmitter unit, and FM signal transmitter unit comprises for launching the FM emitting antenna of FM signal.
4 the location tracking targets of now take are example, and the course of work of this embodiment is described in detail in detail.
4 location tracking targets carry respectively 4 launch terminals and arrive 4 different positions.The transmission frequency difference of the FM signal transmitter unit of each launch terminal, i.e. 4 corresponding 4 launch terminals of different frequency.Smart mobile phone is adjusted to the receive frequency of FM signal receiving unit and these 4 frequencies that transmission frequency is identical, with 4 launch terminals of frequency separation.After GPS receiving element in launch terminal receives the GPS address information, send into the FM modulating unit and converted to the FM frequency that this launch terminal is corresponding after GPS receiving element amplifying signal, send into again on FM signal transmitter unit and carry out power amplification, then go out and receive for supporting upper smart mobile phone by FM transmission antennas transmit information; After FM receiving antenna in smart mobile phone receives the address signal from supporting launch terminal, after amplifying, the FM signal receiving unit is directly connected on the input signal cable of smart mobile phone CPU (central processing unit), carry out digital decoding through the FM signal demodulation unit, to show that by CPU (central processing unit) information output, to display unit, demonstrates the real-time position information of each launch terminal on the electronic chart in display unit again.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can do and make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement all are included in the application's claim limited range.
Claims (10)
1. a multiple goal location tracking system, it is characterized in that, it comprises receiving terminal and a plurality of launch terminal, described receiving terminal comprises CPU (central processing unit), the output terminal of described CPU (central processing unit) is connected with display unit, the input end of described CPU (central processing unit) is connected with signal receiving unit, described launch terminal comprises the satnav receiving element, the output terminal of described satnav receiving element is connected with signal modulating unit and signal transmitter unit in turn, and the output terminal of described signal transmitter unit is connected with the input end of signal receiving unit.
2. a kind of multiple goal location tracking system according to claim 1, is characterized in that, between the input end of described CPU (central processing unit) and the output terminal of signal receiving unit, is connected with signal demodulation unit.
3. a kind of multiple goal location tracking system according to claim 1, is characterized in that, described signal receiving unit is the FM signal receiving unit, and described signal transmitter unit is FM signal transmitter unit, and described signal modulating unit is FM signal modulating unit.
4. a kind of multiple goal location tracking system according to claim 2, is characterized in that, described signal demodulation unit is the FM signal demodulation unit.
5. a kind of multiple goal location tracking system according to claim 2, it is characterized in that, described signal receiving unit is the Wi-Fi signal receiving unit, described signal transmitter unit is WI-FI signal transmitter unit, described signal modulating unit is Wi-Fi signal modulating unit, and described signal demodulation unit is the Wi-Fi signal demodulation unit.
6. a kind of multiple goal location tracking system according to claim 2, it is characterized in that, described signal receiving unit is the Bluetooth signal receiving element, described signal transmitter unit is the Bluetooth signal transmitter unit, described signal modulating unit is the Bluetooth signal modulating unit, and described signal demodulation unit is the Bluetooth signal demodulating unit.
7. according to the described a kind of multiple goal location tracking system of claim 1～6 any one, it is characterized in that, described receiving terminal also comprises push-button unit, and the output terminal of described push-button unit is connected with another input end of CPU (central processing unit).
8. a kind of multiple goal location tracking system according to claim 7, is characterized in that, described receiving terminal is mobile phone or panel computer.
9. a kind of multiple goal location tracking system according to claim 8, is characterized in that, described satnav receiving element is GPS receiving element or big-dipper satellite receiving element.
10. according to claim 1,2,3,4,5,6,8 or 9 described a kind of multiple goal location tracking systems, it is characterized in that, described a plurality of launch terminals are 4 launch terminals.
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| CN2013103703199A CN103454658A (en) | 2013-08-22 | 2013-08-22 | Multi-target locating and tracing system |
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| CN2013103703199A CN103454658A (en) | 2013-08-22 | 2013-08-22 | Multi-target locating and tracing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526640A (en) * | 2016-11-21 | 2017-03-22 | 北京天羽莱品牌科技有限公司 | Positioner, positioning ornament, positioning bag and positioning clothing |
| CN107843872A (en) * | 2017-09-15 | 2018-03-27 | 南京轩世琪源软件科技有限公司 | A kind of real-time automatic station-keeping system of indoor radio frequency formula |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6185427B1 (en) * | 1996-09-06 | 2001-02-06 | Snaptrack, Inc. | Distributed satellite position system processing and application network |
| CN202145135U (en) * | 2011-06-10 | 2012-02-15 | 朱洪元 | Vehicle-mounted GPS (global position system) navigator |
| CN202661629U (en) * | 2012-03-05 | 2013-01-09 | 西安邮电学院 | Individual-solider joint navigation positioning system |
-
2013
- 2013-08-22 CN CN2013103703199A patent/CN103454658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6185427B1 (en) * | 1996-09-06 | 2001-02-06 | Snaptrack, Inc. | Distributed satellite position system processing and application network |
| CN202145135U (en) * | 2011-06-10 | 2012-02-15 | 朱洪元 | Vehicle-mounted GPS (global position system) navigator |
| CN202661629U (en) * | 2012-03-05 | 2013-01-09 | 西安邮电学院 | Individual-solider joint navigation positioning system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526640A (en) * | 2016-11-21 | 2017-03-22 | 北京天羽莱品牌科技有限公司 | Positioner, positioning ornament, positioning bag and positioning clothing |
| CN107843872A (en) * | 2017-09-15 | 2018-03-27 | 南京轩世琪源软件科技有限公司 | A kind of real-time automatic station-keeping system of indoor radio frequency formula |
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Application publication date: 20131218 |