CN2904002Y

CN2904002Y - On vehicle integrated positioning and wireless communication apparatus based on GPS and GPRS

Info

Publication number: CN2904002Y
Application number: CNU200620001105XU
Authority: CN
Inventors: 徐海军; 王明; 王永; 郑雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-16
Filing date: 2006-01-16
Publication date: 2007-05-23
Anticipated expiration: 2016-01-16

Abstract

The utility model discloses a vehicle-borne integrate locating and wireless communications device based on GPS and GPRS, which comprises a aerial receiving module, a global positioning receiving module (GPS), a signal processing module, a wireless communications module (GPRS) and a SIM card connection module, a MCU interface control module, a USB controller output module, and a power supply part etc. The utility model can realize the integration of a plurality of functions such as positioning, navigation, voice, text, e-mail, and Internet, the application scope is extensive, can be extensively used in various fields such as wireless positioning remote control robot technology, wireless anti-theft positioning system, and vehicle borne multimedia system etc. The utility model also has advantages of high integration level, stable system, good stability, small volume, low cost, and easy operation; and has promoting application value in many occasions such as wireless communications positioning system, and electronic map navigation system etc.

Description

A kind of vehicle-mounted integrated location and radio communication device based on GPS and GPRS

Technical field

The utility model is to have functions such as location, navigation, voice, text, Internet in the integrated circuit board of one when being used on the Move tools such as automobile, be specially adapted to the wireless location telerobotics, the wireless anti-theft positioning system, functions such as in-vehicle multi-media system.

Background technology

Running fix, communicator based on GPS (GPS) and GPRS technology all are to grow up on the basis of former U.S. Department of Defense for military affairs timing, location and navigation, along with GPS and GPRS technology be becoming better and approaching perfection day by day and ripe, it has been widely used in location, navigation, measurement, the field such as antitheft.Using GPS technology and GPRS technology widely on the market at present, relevant product has also appearred based on these, but they separate by great majority, the user combines new system of exploitation or new product with both function, caused the system development costs height like this, volume is big, poor, the integrated not high a series of problems of anti-interference.

The utility model purpose is to avoid the weak point (separation, volume, cost) in the above-mentioned background technology, and proposed a kind ofly have functions such as location, navigation, interactive voice, text, Internet simultaneously in the running fix communicator of one, and the utility model also have integrated height, stable and reliable for performance, cost is low, volume is little, advantage such as easy to operate, can be applied on the various Move tools especially field such as automobile.

Summary of the invention

The purpose of this utility model is achieved in that it is made up of GPS reception control module 1, device core control treatment module 2, GPRS control module 3, SIM card interface module 4, energy supply control module 5, USB interface control module 6, antenna access module 7, audio processing modules 8.Wherein the lead-out terminal of antenna 7 is connected with input end 1 pin that GPS receives control module 1, GPS receives control module 1 spatial data that receives is passed through data sending terminal 3 pin, data receiver 4 pin, clock data transmitting terminal 5 pin, clock data receiving end 6 pin link to each other with device core control treatment module 2 pairing 1,2,3,4 pin respectively; Similarly, input end power supply ground 6 pin of the GPRS control module 3 of integrated functionality, power supply 7 pin, clock 8 pin, data 9 pin, 1,2,3,4,5 corresponding with the SIM card interface module 4 respectively pin of 10 pin that reset link to each other; The output terminal serial data of GPRS control module 3 sends 1 pin, serial data and receives that 2 pin, serial data sign output 3 pin, serial data receive request 4 pin, serial outgoing carrier detection signal 5 pin couple together with device core control treatment module 2

pairing input end

6,7,8,9,10 pin respectively,

audio input end

12,13 pin of GPRS control module 3 are connected with 1,2 pin of audio processing modules respectively, and

audio output

14,15 pin are connected with 3,4 pin of audio processing modules respectively.Output terminal 5 pin that install the core control treatment module simultaneously link to each other with input end 2 pin that GPS receives control module 1, encapsulation of data output terminal 11, encapsulation of data input end 12 pin are connected with output terminal 2 with the input end 1 of USB interface control module 6 respectively, and+5 volts of voltages of energy supply control module 5 outputs are connected with the power input terminal of each module respectively.

The purpose of this utility model can also realize by following measure:

Device core control treatment module 2 of the present utility model is by the serialization controller inquiry and read the data that GPS receives control module 1 and GPRS control module 3,

output terminal

3,4,5,6 pin that wherein GPS received control module 1 are received respectively on I/0

input interface

1,2,3,4 pin of module 2, mainly are the serial communications of finishing between the module.Install core control treatment module 2 in addition and control duty mode of operations such as (stop) dormancy of GPS control module 3 by output interface 5; Similarly, the I/O end of GPRS control module 3 follows I/

O input interface

6,7,8,9,10 pin of module 2 to connect respectively by 1,2,3,4,5.Device core control treatment module 2 will transfer out according to certain encapsulation format by USB interface control module 6 from the data of module 1 and module 3 acquisitions; Can the Data Receiving that the external world sends be got off by USB interface control module 6 equally, by the serial output terminal mouth that installs core control treatment module 2 data be sent to GPRS network and get on.

GPRS control module 3 of the present utility model is made up of serial communication interface 1, Control on Communication register module 2, ICP/IP protocol processing module 3 and GPRS radio-frequency (RF) receiving and transmission module 4.Wherein embodiment is that the data of device core processing module are imported into datagram in the control register module 2 by serial communication interface 1, by sending the AT instruction request with the data receiver C0～C7 pin of store data end D0～D7 human hair combing waste in the control register to the ICP/IP protocol processing module, through data are encapsulated, the data-interface by GPRS radio-frequency (RF) receiving and transmission module 4 sends then at last.

The utility model audio processing modules 8 is by handling 2 road audio frequency inputs, output signal, and wherein two paths of signals all is differential signals, is made up of signal input module 1, signal filtering processing module 2, difference amplifying signal 3, signal output module 4 respectively.By signal input terminal 1 input 1 road differential signal, differential signal is handled the back through signal filtering module 2 and is removed noise, then filtered signal being delivered to difference amplifies in the isolation module 3, value to the added resistance R 1 in the generating positive and negative voltage two ends of signal, R2 when the signal amplification of simulation is isolated is arranged on about 2200 Ω, through outputing to signal output module 4 after handling, handle to guarantee that sound signal low distortion, low noise, antijamming capability are strong afterwards like this.

The utility model is compared background technology following advantage:

1. function such as mutual, the Internet in the integrated location of the utility model, navigation, voice transfer, text because the deficiency (great majority are separated) in utilization integrates originally, has multifunctionality in one simultaneously.

2. the utlity model has that the location is accurate, navigation accuracy is high and the network service of real-time online, can provide high reliability and stability for application civilian and technical grade or automotive grade.

3. the utlity model has the USB2.0 data communication interface, therefore have wide range of applications, the driver under windows platform and the Linux platform can be provided.

4. the modular integrated degree height of the utility model, system performance is reliable and stable, and volume is little, and is with low cost, makes simply, and convenient operating maintenance has certain application value.

Description of drawings

Once in conjunction with the accompanying drawings and embodiments the utility model is described in further detail.

Fig. 1 is the utility model functional-block diagram

Fig. 2 is the utility model core control treatment module circuit theory diagrams

Fig. 3 is the utility model GPRS control module circuit theory diagrams

Fig. 4 is the utility model audio processing modules circuit theory diagrams

Embodiment

To Fig. 4, the utility model is made up of GPS reception control module 1, device core control treatment module 2, GPRS control module 3, SIM card interface module 4, energy supply control module 5, USB interface control module 6, antenna access module 7, audio processing modules 8 referring to Fig. 1.Wherein, the lead-out terminal of antenna 7 is connected with input end 1 pin that GPS receives control module 1, the effect of antenna 7 is exactly that the signal that Global Positioning System (GPS) is sent is received, passing to GPS reception control module 1 handles, GPS receives control module 1 spatial data that receives is passed through data sending terminal 3 pin, data receiver 4 pin, clock data transmitting terminal 5 pin, clock data receiving end 6 pin corresponding with device core control treatment module 2 respectively 1,2,3,4 pin link to each other and finish data communication, and deposit among the SDRAM, and send according to fixed byte and packing forms; Similarly, the output terminal serial data of GPRS control module 3 sends 1 pin, serial data and receives that 2 pin, serial data sign output 3 pin, serial data receive request 4 pin, serial outgoing carrier detection signal 5 pin couple together with device core control treatment module 2

pairing input end

6,7,8,9,10 pin respectively, so just finishes GPRS control module 3 and installs serial communication between the core control treatment module 2; Input end power supply ground 6 pin of GPRS control module 3, power supply 7 pin, clock 8 pin, data 9 pin, 1,2,3,4,5 corresponding with the SIM card interface module 4 respectively pin of 10 pin that reset link to each other;

Audio input end

12,13 pin of GPRS control module 3 are connected with 1,2 pin of audio processing modules respectively,

audio output

14,15 pin are connected with 3,4 pin of audio processing modules respectively, wherein audio processing modules 8 is handled the difference amplification with the differential signal of load module through signal filtering and is carried out the difference amplification treatment circuit afterwards as shown in Figure 4.In addition, output terminal 5 pin of device core control treatment module link to each other with input end 2 pin that GPS receives control module 1, encapsulation of data output terminal 11, encapsulation of data input end 12 pin are connected with output terminal 2 with the input end 1 of USB interface control module 6 respectively, and energy supply control module 5 output+V volt voltage is connected with the power input terminal of each module respectively.

The concise and to the point principle of work of the utility model: by Anneta module 7 the also signal of the satellite transmits of receiving world locational system (GPS) is installed correctly earlier, receive control module 1 through GPS and carry out pre-service, by serial line interface 0183 form locator data of standard is transferred to device kernel control module 2 then, device kernel control module 2 is stored the gps data that receives and encapsulate; Similarly, GPRS control module 3 is after placing SIM card interface module 4, by built-in Anneta module from the wireless network that is dynamically connected, at this time just can instruct and carry out various operations and comprise and transmit/send datagram etc., will transfer out by USB control module 6 after data encapsulation from the serial line interface of datagram on the network by device kernel control module 2 by AT.

The utility model mounting structure is as follows: the utility model accompanying drawing 1 is comprised that to the circuit in the accompanying drawing 4 it is on 110 * 70 millimeters the printed circuit board that antenna all is installed in a block length * wide.Comprising the accessory power outlet of antenna input socket, power input socket and USB control module 6, assembly cost utility model.

Claims

1. vehicle-mounted integrated location and radio communication device based on a GPS and a GPRS, it is characterized in that receiving control module (1) by GPS, SIM card interface module (4), energy supply control module (5), USB interface control module (6), vehicle-mounted integrated location and radio communication device that antenna access module (7) is formed, also has device core control treatment module (2), GPRS control module (3) and audio processing modules (8) are formed, wherein the lead-out terminal of antenna 7 is connected with input end 1 pin that GPS receives control module (1), GPS receives control module (1) spatial data that receives is passed through data sending terminal 3 pin, data receiver 4 pin, clock data transmitting terminal 5 pin, clock data receiving end 6 pin respectively with device core control treatment module (2) pairing 1,2,3,4 pin link to each other; Similarly, 1,2,3,4,5 pin that input end power supply ground 6 pin of the GPRS control module (3) of integrated functionality, power supply 7 pin, clock 8 pin, data 9 pin, 10 pin that reset are corresponding with SIM card interface module (4) respectively link to each other; The output terminal serial data of GPRS control module (3) sends 1 pin, serial data receives 2 pin, serial data sign output 3 pin, serial data receives request 4 pin, serial outgoing carrier detection signal 5 pin are respectively with the pairing input end 6 of device core control treatment module (2), 7,8,9,10 pin couple together, the audio input end 12 of GPRS control module (3), 13 pin are respectively with 1 of audio processing modules (8), 2 pin are connected, audio output 14,15 pin are respectively with 3 of audio processing modules, 4 pin are connected, output terminal 5 pin that install core control treatment module (3) simultaneously link to each other with input end 2 pin that GPS receives control module (1), encapsulation of data output terminal 11, encapsulation of data input end 12 pin are connected with output terminal 2 with the input end 1 of USB interface control module (6) respectively, and+5 volts of voltages of energy supply control module (5) output are connected with the power input terminal of each module respectively.

2. vehicle positioning according to claim 1 and radio communication device, it is characterized in that device kernel control module (2) is by microprocessor module (1), inner RAM (2), address/data bus interface module (3), clock oscillation module (4), serial data control module (5), fifo module (6), USB controls Engine module (7), USB output interface module (8), wherein GPS reception control module (1) is passed through data sending terminal 3 pin with the spatial data that receives, data receiver 4 pin, clock data transmitting terminal 5 pin, clock data receiving end 6 pin respectively with device core control treatment module (2) in the address/data bus pairing 1 of serial data control module (5), 2,3,4 pin link to each other; The output terminal serial data of GPRS control module (3) sends 1 pin, serial data and receives that 2 pin, serial data sign output 3 pin, serial data receive request 4 pin, serial outgoing carrier detection signal 5 pin couple together with pairing input end 6,7,8,9,10 pin of address/data bus of serial data control module (5) in the device core control treatment module (2) respectively; To finish based on functions such as the Data Receiving of installing kernel control module (2), data processing, data transmission from serial data control module institute data in buffer by directly outputing on the USB output interface module (8) after USB control Engine module (7) encapsulation in fifo module (6) processing unit in the device kernel control module (2).

3. vehicle positioning according to claim 1 and radio communication device, it is characterized in that GPRS control module (3) is by serial communication module (1), Control on Communication register module (2), ICP/IP protocol processing module (3) and GPRS radio-frequency (RF) receiving and transmission module (4) are formed, the packet of device core processing module (2) imports data in the control register module (2) into by serial communication interface (1), by sending communication AT instruction request with the data receiver C0～C7 pin of store data end D0 in the control register (2)～D7 human hair combing waste to ICP/IP protocol processing module (3), through data are encapsulated, the data-interface by GPRS radio-frequency (RF) receiving and transmission module (4) sends then at last.

4. vehicle positioning according to claim 1 and radio communication device, it is characterized in that audio processing modules (8) is by signal input module (1), signal filtering processing module (2), difference amplifying signal (3), signal output module (4) is formed, by signal input module (1) input 2 road differential signals, differential signal is handled the back through signal filtering module (2) and is removed noise, then filtered signal being delivered to difference amplifies in the isolation module (3), when the signal of simulation amplify is isolated to the added resistance R 1 in the generating positive and negative voltage two ends of signal, the resistance of R2 is arranged on about 2200 Ω as much as possible, pass to signal output module 4 through after finishing dealing with, can guarantee the sound signal low distortion after handling like this, low noise, antijamming capability is strong.