CN1301411C - Global positioning monitoring device for mobile object - Google Patents
Global positioning monitoring device for mobile object Download PDFInfo
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- CN1301411C CN1301411C CNB031279503A CN03127950A CN1301411C CN 1301411 C CN1301411 C CN 1301411C CN B031279503 A CNB031279503 A CN B031279503A CN 03127950 A CN03127950 A CN 03127950A CN 1301411 C CN1301411 C CN 1301411C
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- 238000004891 communication Methods 0.000 claims abstract description 44
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- 230000006835 compression Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
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- 238000012545 processing Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention relates to a global positioning monitoring device for mobile objects, which belongs to the technical field of the global positioning and monitoring of mobile objects. The device comprises a master machine part and a handle part, wherein the master machine part comprises a signal receiving circuit, an encryption compression processor, a wireless communication line, a master control processor, an LCD, a display processor and a power supply; the handle part comprises an Information input/output unit and an input processor; the input processor, the master control processor, the encryption compression processor and the display processor are connected via clock lines and data lines. The global positioning monitoring device for mobile objects in the present invention has the advantages of high positioning accuracy, broad application, strong function, quick reaction, confidentiality and high reliability.
Description
Technical field the present invention relates to a kind of moving target global location supervising device, belongs to moving target global location and monitoring technique field.
Background technology intelligent transportation system (Intelligent Transport System, hereinafter to be referred as ITS) be to adopt means such as infotech, computer technology, control technology that conventional traffic transportation system is transformed, thereby reach the enhanced system operational efficiency, the reliability of raising system and security, reduce energy resource consumption, and reduce pollution environment.In intelligent transportation system, how motor vehicle is carried out accurate in locating and real-time monitoring is the problem that people study always.For the location, the cellular system of the employing wireless telecommunications net that has, this location and monitoring effect are relatively poor, and precision is not high, and usable range is narrow; The high frame iron tower cross bearing of employing that also has, but, need set up many high frame iron towers in order to overcome the influence of mountain peak and urban skyscraper thing, so just having increased the communication cost, nor can eliminate the radio signal blind area fully, the signal reception is not good.
For remote monitoring, former solution adopts trunked communication system more.Shortcomings such as but this system has, and the overlay area is little, installation and maintenance expense height, technical sophistication.And need set up some ground terminal, therefore limited usable range, and investment is big, is difficult in the real life and comes into operation to motor vehicle location and monitoring.Along with based on the rise of the honeycomb type radio communicating net (hereinafter to be referred as the GSM/GPRS net) of numeral with popularize, the method of using the GSM/GPRS net that moving target is monitored has also appearred, the disclosed patent of Yuejingan Mobile Information Co Ltd, Guangdong for example: name is called GSM/CDMA-GPS burglar proof car terminal and wireless telephone (application number: 99117115.2), mainly used the speech communication function of GSM net, promptly the data that will transmit at first are modulated to touch-tone signal (Dual Tone Multi-Frequency, DTMF), transmit then.The shortcoming of this mode is the communication fee height, and transfer efficiency is low.
In addition, present vehicle mounted locating and monitoring device mostly adopts the structure that focuses on, and promptly by a calculating and a response that processor processing is all, its shortcoming is: (1) often needs to use operating system, causes the communication cost to improve; (2) all tasks all need same processor response, react slow; (3) not competent for the operation of computation-intensives such as encryption.
Summary of the invention the objective of the invention is to propose a kind of moving target global location supervising device, at real-time, the accurate location of needs, and the moving target that carries out communication with the external world, adopt Global Positioning System (GPS) (GlobalPositioning System, hereinafter to be referred as GPS) technology carries out accurately effectively location to moving target, and the digital communication technology of use GSM/GPRS wireless communication networks, make moving target have voice and data communication ability, to realize sending to the command scheduling center by wireless communication networks to the location of moving target and with positioning result.
The moving target global location supervising device that the present invention proposes comprises host machine part and handle portion, and main frame wherein comprises: be used to receive gps satellite signal to obtain the signal receiving circuit of moving target global location coordinate; Be used for the moving target position signal that receives is encrypted and compressed the ciphered compressed processor of position coordinate data being delivered to after the calculating main control processor by data bus; Be used to utilize the GSM/GPRS net to carry out the radio communication circuit of monitor command and monitoring speech transmissions; Be used to control radio communication circuit transmitting-receiving monitor message and coordinate the main control processor that input processor, ciphered compressed processor and video-stream processor move; The LCDs that is used for display monitoring information; Be used to receive the monitor command that main control processor sends and control the video-stream processor that LCDs shows; With thinking that described moving target global location supervising device provides the power supply of power; Handle portion wherein comprises: be used to import user's conversation and warning message and carry out the information input/output unit of speech transmissions with radio communication circuit; Be used for the input processor that the user selects the method for input information and the user is sent to main control processor by the information of information input/output unit input; Link to each other with data line by clock line between described input processor, main control processor, ciphered compressed processor and the video-stream processor.
Thereby the radio communication circuit in the above-mentioned moving target global location supervising device comprises the gsm module that is used for carrying out with the GSM net wireless telecommunications and Master Control Center transmission control command and voice speech channel; Be used for subscriber identification card at GSM net sign user identity; Be used to receive, send the antenna of GSM net signal; The buzzer siren that is used for warning when moving target is stolen; Be used in moving target, carrying out the loudspeaker of hand free voice communication; Be used to carry out the monitoring microphone of monitoring in the moving target; Gsm module receives the elements of a fix information uploaded by main control processor, Surveillance center monitoring information and the alarm command to moving target by serial port, and transmits the short message information that Surveillance center sends to main control processor; Handle conversation microphone in the handle portion is connected with wireless communication module with the voice speech channel of handle talk-back speaker by gsm module, makes the user carry out voice conversation by handle and Surveillance center.
Moving target global location and supervising device that the present invention proposes based on this two big system of GPS-GSM/GPRS, utilize the GPS technology to carry out the location of moving target, and carry out communicating by letter of moving target and Surveillance center by the GSM/GPRS net.Be characterized in:
1, adopt the GPS Global Positioning System (GPS) to carry out the location of moving target, this function is finished by the positioning signal receiving circuit.It receives satellite-signal by the gps satellite receiving antenna, transfers to the ciphered compressed processor and carries out data encryption and compression processing.2, adopt the short message or the GPRS data communication business of GSM or this data cellular mobile communication of GPRS system to carry out the communication of moving target and Master Control Center.Main control processor is finished this task by the serial Port Operation Method radio communication circuit of standard.3, adopt distributed computing fabric: adopt the I2C bus to connect between main control processor, ciphered compressed processor, input processor, the video-stream processor.Send control information mutually, improved the work efficiency and the reaction velocity of system like this.
The advantage of apparatus of the present invention is:
1, bearing accuracy height:, improved the bearing accuracy of this systems approach greatly owing to adopted Global Positioning System (GPS) (GPS) technology.Unmanned be under the jamming pattern situation, its bearing accuracy can reach in 15 meters, be present any location technology incomparable.
2, usable range is wide: as long as in the scope that GPS location and GSM/GPRS cover, no matter be in the city, field, long-distance road along the line, mountain region and water network zone can both normally use.
3, powerful reaction is fast: adopted distributed a plurality of processor control in the inventive method, each processor carries out the operation of a part respectively, then make these functions not need to rob and use same processor resource, finished multiple functions such as Chinese character demonstration, Chinese character input, data compression, encryption.And, make the system response velocity ratio very fast owing to use distributed frame.
4, confidentiality, reliability height: use the ciphered compressed processor that the sensitive datas such as locating information of moving target have been carried out the processing of encrypting and compressing among the present invention, promptly saved the storage space of locator data, data security and reliability are greatly improved.
Description of drawings
Fig. 1 is the structured flowchart of the moving target locating and monitoring device that designs of the present invention.
Fig. 2 is the connection layout between each processor among Fig. 1.
Fig. 3 is the connection layout of radio communication circuit among Fig. 1.
Embodiment
The moving target global location supervising device that the present invention proposes, its structured flowchart comprises host machine part and handle portion as shown in Figure 1, main frame wherein comprises: be used to receive gps satellite signal to obtain the signal receiving circuit of moving target global location coordinate; Be used for the moving target position signal that receives is encrypted and compressed the ciphered compressed processor of position coordinate data being delivered to after the calculating main control processor by data bus; Be used to utilize the GSM/GPRS net to carry out the radio communication circuit of monitor command and monitoring speech transmissions; The main control processor that is used to control radio communication circuit transmitting-receiving monitor message and coordinates other processor operation; The LCDs that is used for display monitoring information; Be used to receive the video-stream processor that faces control order and the demonstration of control LCDs that main control processor sends; With thinking that described moving target global location supervising device provides the power supply of power; Handle portion wherein comprises: be used to import user's conversation and warning message and carry out the information input/output unit of speech transmissions with radio communication circuit; Be used for the input processor that the user selects the method for input information and the user is sent to main control processor by the information of information input/output unit input; Link to each other with data line by clock line between input processor, main control processor, ciphered compressed processor and the video-stream processor.
The annexation of each processor as shown in Figure 2 in apparatus of the present invention, because use the I2C bus, the single-chip microcomputer that processor all uses PHILIPS to produce, wherein main control processor and video-stream processor are selected P87C591, it has the program storage of 16K byte and the data-carrier store of 512 bytes, relatively is fit to the needs of main control processor and a large amount of program codes of video-stream processor needs and storage space.Input processor and ciphered compressed processor have been selected P89LPC764 for use, and it adopts structure to simplify, use conveniently, is applicable to the requirement that keyboard input and gps signal are handled fully.And they all have the I2C bus controller of hardware, as long as can send information mutually by simple circuit interconnection, only use two lines to link to each other between all processors: clock line (SCL) and data line (SDA).R1 and R2 are pull-up resistor.
The structured flowchart of the radio communication circuit in this device as shown in Figure 3, thereby comprise the gsm module that is used for carrying out wireless telecommunications and Master Control Center transmission control command and voice speech channel with the GSM net; Be used for subscriber identification card (hereinafter to be referred as SIM card) at GSM net sign user identity; Be used to receive, send the antenna of GSM net signal; Be used for when moving target is stolen, taking place the buzzer siren of alarm; Be used in moving target, carrying out the loudspeaker of hand free voice communication; Be used to carry out the monitoring microphone of monitoring in the moving target.Gsm module receives main control processor by serial port and uploads the elements of a fix, monitoring information and alarm command, and transmits the short message information that Surveillance center sends to main control processor.Handle conversation microphone in the handle is connected with wireless communication module with the voice speech channel of handle talk-back speaker by gsm module, finishes the user carries out voice conversation by handle function.What wherein gsm module was selected for use is the WM2C module of the WISMO series of WAVECOM company.Between gsm module and the main control processor with the serial-port communication of standard.Between gsm module and the SIM card, by SIMCLK, SIMDATA signal line communications.Gsm module also supports to drive two-way microphone, two-way loudspeaker and No. one hummer.Wherein No. one microphone and loudspeaker are linked on the handle conversation microphone and handle talk-back speaker of handle.Processor can send order by serial port and realize sound operations such as voice communication, ring with the control gsm module.
Positioning signal receiving circuit in this device is used to the global location coordinate that receives gps satellite signal and obtain moving target, wherein mainly uses the GPS module to finish, and the GPS module is selected the S4E39860 of EPSON company for use; The GPS module is connected on the serial port of ciphered compressed processor by serial ports.By serial port, the GPS module can regularly receive global positioning signal and by serial port data be sent to the GPS module.The GPS module is by the electric current of voltage regulation of power supply supply 3.3V.
Power supply is used for other module for power supply to system, needs power module that three road voltages: 3.6V, 5V, 3.3V are provided in design.Wherein the current ratio of gsm module needs when transmitting and receive data is bigger, needs more than the 2A at Rush Hour.
Handle portion comprises: be used to import user's conversation and warning message and carry out the information input/output unit of speech transmissions with wireless communication line; Be used for the input processor that the user selects the method for input information and the user is sent to main control processor by the information of information input/output unit input; Wherein information input/output unit comprises and is used for the keyboard that the user imports key commands, is used for the handle conversation microphone of user input voice, is used for exporting to the user handle talk-back speaker of voice.Input processor is used to control user's input method, and responds user's operation, the P89LPC764 single-chip microcomputer of selecting for use PHILIPS company to produce;
The workflow of apparatus of the present invention is as follows:
All obtain ciphered compressed processor p.s. the global positioning information of moving target, comprising various information such as the position of moving target, speed, direction, standard time from the positioning signal receiving circuit.In the ciphered compressed processor, with conventional method moving target elements of a fix data are compressed,, after compression is finished, data are encrypted with conventional method to save the storage space of data, with the reliability of enhanced system, be kept at then in the storer of ciphered compressed processor.When main control processor need obtain the locating information of moving target, send message by the I2C bus to the ciphered compressed processor, after the ciphered compressed processor is received the message that requires locating information, the locating information data through overcompression, encryption are sent to main control processor by the I2C bus.
Main control processor is controlled wireless communication line by serial port, by a cover modulation control command (hereinafter to be referred as the AT order) gsm module is controlled between them, and transmitting-receiving comprises the short message with Surveillance center's communication.Be in operation, Surveillance center sends the short message that comprises monitor command to wireless communication module, for example requires to upload the moving target coordinate or requires monitoring.Wireless communication module then sends short message to main control processor by serial port after receiving short message.The short message that the main control processor analysis sends, and make response according to the order of Surveillance center, for example upload the elements of a fix of moving target, or Surveillance center is to the monitoring voice in the car.
The input processor of handle portion is controlled the keyboard in the information input/output unit, and when user key-press, input processor can provide the user according to user's button and wish the mode of operation of carrying out, for example: dialing, report to the police or the input Chinese character.Input processor wishes that the mode of operation of carrying out sends to main control processor to the user by the I2C bus, and is operated accordingly by main control processor, for example dials or sends SMS message to Surveillance center.
Video-stream processor shows user's the information or the schedule information of Surveillance center's transmission by the bus control display screen, when main control processor dials, receives operation such as Surveillance center's information, warning, can send the message that requires to show corresponding information to video-stream processor by the I2C bus, after video-stream processor receives message, show corresponding information, report to the police as user's dialed number, the schedule information of Surveillance center, prompting etc.
After the user pushed for emergency button, input processor at first detected user's operation and sends to main control processor by the I2C bus, and main control processor sends warning message with the form of short message to Surveillance center by serial port control wireless communication line.
When Surveillance center need monitor moving target, at first the mode with short message sends requirement monitoring message to locating device of the present invention, main control processor receives after the short message by wireless communication line, the control wireless communication line dials to Surveillance center, after Surveillance center was replied, the monitoring speech channel of moving target and Surveillance center was set up and is finished.
Claims (2)
1, a kind of moving target global location supervising device is characterized in that this device comprises host machine part and handle portion, and main frame wherein comprises: be used to receive gps satellite signal to obtain the signal receiving circuit of moving target global location coordinate; Be used for the moving target position signal that receives is encrypted and compressed the ciphered compressed processor of position coordinate data being delivered to after the calculating main control processor by data bus; Be used to utilize the GSM/GPRS net to carry out the radio communication circuit of monitor command and monitoring speech transmissions; Be used to control radio communication circuit transmitting-receiving monitor message and coordinate the main control processor that input processor, ciphered compressed processor and video-stream processor move; The LCDs that is used for display monitoring information; Be used to receive the monitor command that main control processor sends and control the video-stream processor that LCDs shows; With thinking that described moving target global location supervising device provides the power supply of power; Handle portion wherein comprises: be used to import user's conversation and warning message and carry out the information input/output unit of speech transmissions with radio communication circuit; Be used for the input processor that the user selects the method for input information and the user is sent to main control processor by the information of information input/output unit input; Link to each other with data line by clock line between described input processor, main control processor, ciphered compressed processor and the video-stream processor.
2, moving target global location supervising device as claimed in claim 1, thus it is characterized in that wherein said radio communication circuit comprises the gsm module that is used for carrying out with the GSM net wireless telecommunications and Master Control Center transmission control command and voice speech channel; Be used for subscriber identification card at GSM net sign user identity; Be used to receive, send the antenna of GSM net signal; The buzzer siren that is used for warning when moving target is stolen; Be used in moving target, carrying out the loudspeaker of hand free voice communication; Be used to carry out the monitoring microphone of monitoring in the moving target; Gsm module receives the elements of a fix information uploaded by main control processor, Surveillance center monitoring information and the alarm command to moving target by serial port, and transmits the short message information that Surveillance center sends to main control processor; Handle conversation microphone in the handle portion is connected with wireless communication module with the voice speech channel of handle talk-back speaker by gsm module, makes the user carry out voice conversation by handle and Surveillance center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031279503A CN1301411C (en) | 2003-04-25 | 2003-04-25 | Global positioning monitoring device for mobile object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031279503A CN1301411C (en) | 2003-04-25 | 2003-04-25 | Global positioning monitoring device for mobile object |
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| CN1450360A CN1450360A (en) | 2003-10-22 |
| CN1301411C true CN1301411C (en) | 2007-02-21 |
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| CNB031279503A Expired - Fee Related CN1301411C (en) | 2003-04-25 | 2003-04-25 | Global positioning monitoring device for mobile object |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342212C (en) * | 2003-11-18 | 2007-10-10 | 南京大学 | Vehicle guidance system communication group network model |
| DE102006041577B3 (en) * | 2006-09-05 | 2008-01-31 | Siemens Ag | Traffic information system mobile terminal, has manipulation unit which is designed to modify control data in such way that decoder and access control device are activated by evaluation unit |
| CN101153910B (en) * | 2006-09-29 | 2011-09-14 | 凹凸科技（中国）有限公司 | Method and system for safe transmission of GPS locating information and GPS receiver |
| CN1948990B (en) * | 2006-11-16 | 2010-10-27 | 北京尧天网迅科技有限公司 | Method of compressing GPS positioning information |
| KR101396344B1 (en) * | 2007-06-25 | 2014-05-19 | 삼성전자주식회사 | System for inputting position information in captured image and method thereof |
| CN101296468B (en) * | 2008-06-02 | 2011-05-04 | 深圳国人通信有限公司 | Communication method of main monitoring unit and each module in radio communication system |
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| CN1155664A (en) * | 1996-12-11 | 1997-07-30 | 大连菲朦发展科技有限公司 | Differential data chain system for global navigation and position |
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| WO1999057929A1 (en) * | 1998-05-04 | 1999-11-11 | Trimble Navigation Limited | Gsm cellular telephone and gps receiver combination |
| CN2421208Y (en) * | 2000-03-31 | 2001-02-28 | 上海三吉电子工程有限公司 | On-vehicle equipment with integrated positioning, communication and anti-theft warning functions |
| US6208290B1 (en) * | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
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2003
- 2003-04-25 CN CNB031279503A patent/CN1301411C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6208290B1 (en) * | 1996-03-08 | 2001-03-27 | Snaptrack, Inc. | GPS receiver utilizing a communication link |
| WO1998001769A1 (en) * | 1996-03-29 | 1998-01-15 | Giuliano Landi | System for locating moving vehicles or objects |
| CN1155664A (en) * | 1996-12-11 | 1997-07-30 | 大连菲朦发展科技有限公司 | Differential data chain system for global navigation and position |
| WO1999057929A1 (en) * | 1998-05-04 | 1999-11-11 | Trimble Navigation Limited | Gsm cellular telephone and gps receiver combination |
| CN2421208Y (en) * | 2000-03-31 | 2001-02-28 | 上海三吉电子工程有限公司 | On-vehicle equipment with integrated positioning, communication and anti-theft warning functions |
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