CN201219298Y

CN201219298Y - GPS intelligent vehicle-mounted terminal machine

Info

Publication number: CN201219298Y
Application number: CNU2008200575136U
Authority: CN
Inventors: 林珍文
Original assignee: SHANGHAI TURUI INFORMATION TECHNOLOGY Co Ltd
Current assignee: SHANGHAI TURUI INFORMATION TECHNOLOGY Co Ltd
Priority date: 2008-04-21
Filing date: 2008-04-21
Publication date: 2009-04-08
Anticipated expiration: 2018-04-21

Abstract

The utility model relates to the field of vehicle positioning communication technology, specifically to a GPS intelligent vehicle terminal machine, wherein ARMCPU is respectively connected with a power RS232 interface, a connector, an LCD, a speech communication module, a GPS module, a GPRS module, a storage module, a crystal oscillator, an OSC oscillator, a keyboard module with LED display, a JTAG interface for program debugging and writing, an electric erasable programmable read only memory, wherein the RS232 interface is connected with an external device. Compared with the prior art, the utility model is provided with the RS232 interface, thereby realizing function expansibility, satisfying individualization valueadded service of users, a GPS/GPRS communication module is adopted, which is convenient for real time communication, a TTS module is adopted to realize speech information broadcast, the LCD is adopted, to conveniently browse text information, and the keyboard is used to perform functional operation.

Description

A kind of GPS intelligent vehicle mounted terminal machine

[technical field]

The utility model relates to the vehicle positioning communication technical field, specifically a kind of GPS intelligent vehicle mounted terminal machine.

[background technology]

In recent years, along with the high speed development of electronic information and mobile communication technology (GPS/GPRS/GIS) and universal rapidly and extensive use, for Management of Modern Physical Distribution provides powerful effectively instrument, loglstics enterprise can be used the logistics resource information management system that these advanced technology buildings meet own service, effectively regulate and control the prestowage rate of vehicle, reduce the zero load of vehicle, grasp car status information at any time, various car-mounted terminals are also come out one after another.

[summary of the invention]

The purpose of this utility model is to utilize existing electronic information and mobile communication technology, a kind of GPS car-mounted terminal that designs in conjunction with GPS module, GPRS module, storage medium, RS232 interface and operation keyboard.

For achieving the above object, a kind of GPS intelligent vehicle mounted terminal machine of design, comprise CPU, the GPS receiver module, the GPRS communication module, memory module, power module, interface, it is characterized in that: ARM CPU connects power supply POWER respectively, the RS232 interface, the CONNECTOR connector, LCD, voice communications module, the GPS module, the GPRS module, memory module, the Crystal oscillator, the OSC oscillator, the Keysheet module that band LED shows, the jtag interface that is used for program debugging and burning program, electrically-erasable programmable read-only memory (PROM) EEPROM

Wherein, described RS232 interface connects external equipment, and described external equipment comprises the combination in any of IC-card read write line, electronic lock, burglar alarm, barcode device, meter, collecting vehicle information module;

Main processing audio decoding of described voice communications module and audio frequency amplify, Sound Processor Unit Audio Processor one end in the voice communications module adopts the IIS bus to be connected the data communication that realizes with CPU with CPU, the other end of Sound Processor Unit adopts the AMP connector to be connected with the input of SPK, and SPK is connected the GPRS module respectively with the common output end of MIC and realizes the GPRS data communication;

Described memory module comprises the SDRAM storage medium in the exchanges data space when being used for the CPU deal with data, the permanent storage PURPOSE FLASH medium that is used for data and program and NANDFLASH storage medium, and PLD controller, all adopt ADDRESS, DATA to be connected between SDRAM and the CPU and between PURPOSEFLASH and the CPU with the chip selection signal bus, adopt ADDRESS, DATA with PLD the expansion chip selection signal bus of CPU to be connected between NAND FLASH and CPU, the TTS module is embedded in the NAND FLASH storage medium.

Described OSC oscillator adopts the passive oscillation device of 10MZH.Described Crystal oscillator adopts the active oscillating device of 32.768KHZ.Described EEPROM adopts AT24C64.

Adopt PLD to be connected key-press module KEY and indicator light LED respectively between the Keysheet module that band LED shows and the CPU.

The GPRS module is provided with independently GPRS antenna, adopts UART to be connected realization GPRS data communication between GPRS module and the CPU.

The GPS module is provided with independently gps antenna, adopts UART to be connected between GPS module and the CPU and obtains the gps satellite locating information.

The utility model is compared with prior art, be provided with the RS232 interface and realize function expansibility, satisfy the user individual value-added service, adopt the GPS/GPRS communication module to make things convenient for real time communication, adopt the TTS module can realize the voice messaging broadcast, adopt LCD to be convenient to browse text message, and utilize keyboard to carry out functionalization operation.

[description of drawings]

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is based on the operation flow of this terminating machine among the utility model embodiment.

Appointment Fig. 1 is a Figure of abstract.

[embodiment]

Below in conjunction with accompanying drawing the utility model is further described, the utility model is still more clearly concerning those skilled in the art.

Adopt bus structures and principal and subordinate's machine serial communication in the utility model, and adopt the RS232 interface to consider extensibility, can expand slave quantity arbitrarily, write expansion equipments such as device, electronic lock, burglar alarm such as the IC Card Reader.

Referring to Fig. 1, wherein,

POWER provides the required power supply 2.5V of each road circuit, 3.3V etc.;

It is mainboard control centre that ARM CPU adopts S3C44BOX;

SDRAM provides the code process space for CPU in the memory module, FLASH provides the data shelf space, PLD employing EPM3064A is the IO expansion to CPU in the memory module, the TTS module is embedded into a conversion that is used for Text To Speech in the FLASH storage medium, the TTS technology is changed in real time to text, the weak point of change-over time can calculate second, the voice musical note smoothness of text output, make the hearer when listening to information, feel nature, based on GB one, second Chinese character base, automatically identification is Chinese, sound is that wav file employing true man mandarin is a RP, realized the quick phonetic synthesis of thousands of Chinese character/seconds, owing to adopt ARM7 framework CPU, have 128 disposal ability, perfect condition about 2000 Chinese character/seconds, bright reading rate reaches 3-4 Chinese character/second, make the user can hear the clear melodious tonequality and the smooth intonation that links up, the existing characteristic of the TTS of this product is as follows: based on GB one, second Chinese character base, what the phonetic element of sound bank was used is the sound bank phonetic element of MS; The form of synthetic speech file is WAV, so synthetic speech can directly be play on sound card; The function call interface is provided, the support program redevelopment, just provide the api function of relevant TTS, support the program redevelopment of client TTS, the client can be according to redevelop on the platform of this TTS oneself TTS relative program of own demand in other words, for example do not have " you are good " in this TTS module, you can add according to your needs so.

The GPS module provides locating information;

The GPRS module provides transfer of data;

KEY BOARD provides keyboard operation and LED to show, the PLD among the KEY BOARD adopts EPM3032 that IO is provided expansion;

LCD provides screen display and cartographic information to show that MIC and SPK provide conversation among the LCD BOARD;

JTAG provides ISP function;

OSC provides RTC the vibration of required 32.768KHZ;

CRYSTAL provides CPU required 10MHZ vibration;

RS232 provides outside expansion;

CONNECTOR: being connected between mainboard and other plates is provided.

The GPS module is arranged, in just obtaining locating information in the GPS car-mounted terminal by gps satellite; Also be connected with the GPRS module in the GPS car-mounted terminal, be convenient to provide the GPRS data communication; The GPS car-mounted terminal is supported TTS (Text To Speech conversion) by software mode, so that make car-mounted terminal have more hommization, intellectuality;

LCD LCDs displayed map position, the locating information that GPS is provided by software are connected to the cartographic information in the FLASH storage medium in this vehicle mounted terminal machine, realize the demonstration in geographical position;

Keyboard is realized various operating functions;

The RS232 interface connects various external equipments and comes extended function, and external equipment comprises the IC-card read write line, i.e. the combination in any of external equipments such as driver card card reader, electronic lock, burglar alarm, barcode device, meter, collecting vehicle information module.

Above-mentioned GPS car-mounted terminal and vehicle monitoring center link together by a plurality of public service facilities, locate the information of gathering the vehicle that the GPS car-mounted terminal is housed in real time by GPS (Global Position System) GPS, receive information by the logistics vehicles Surveillance center that is provided with the GIS/GPRS module by the GPRS module that is provided with antenna then and be handed down to the taxi that the GPS car-mounted terminal is housed again, realize vehicle location, monitoring and dispatch service, also connecting external equipment by the RS232 interface provides various value-added services for the driver, as safety interaction, intelligent alarm, the information issue, functions such as road indication.

Referring to Fig. 2, be the operating business process map of taxi:

Client's business: the client can inquire about and the business of ordering a taxi to the control centre by phone or network;

The vehicle monitoring center: the vehicle monitoring center is the command centre of vehicle mounted terminal machine, it is provided with operator attendance module, squad leader's monitoring module, Communication Gateway, edition upgrading, dispatch service, vehicle monitoring and Map Services etc., the vehicle monitoring center is the professional unique service platform linked up with taxi of client, after the vehicle monitoring center receives client's business, send business demand by Communication Gateway to taxi immediately and arrange corresponding service, and arrangement result is returned to corresponding client for the client;

Communication Gateway: Communication Gateway is the interface of vehicle monitoring center to the scheduling taxi, and Business Processing is carried out by Communication Gateway and taxi in the vehicle monitoring center;

Taxi: after taxi receives customer demand from the vehicle monitoring center, judge whether to accept demand according to the situation of current business, and reply to the vehicle monitoring center.

Claims

1, a kind of GPS intelligent vehicle mounted terminal machine, comprise CPU, the GPS receiver module, the GPRS communication module, memory module, power module, interface, it is characterized in that: ARM CPU connects power supply POWER respectively, the RS232 interface, the CONNECTOR connector, LCD, voice communications module, the GPS module, the GPRS module, memory module, the OSC oscillator, the Crystal oscillator, the Keysheet module that band LED shows, the jtag interface that is used for program debugging and burning program, electrically-erasable programmable read-only memory (PROM) EEPROM, wherein

Described RS232 interface connects external equipment, and described external equipment comprises the combination in any of IC-card read write line, electronic lock, burglar alarm, barcode device, meter, collecting vehicle information module;

Described voice communications module, Sound Processor Unit Audio Processor one end wherein adopts the IIS bus to be connected the data communication that realizes with CPU with CPU, the other end of Sound Processor Unit adopts the AMP connector to be connected with the input of SPK, and SPK is connected the GPRS module respectively with the common output end of MIC and realizes the GPRS data communication;

Described memory module comprises the SDRAM storage medium in the exchanges data space when being used for the CPU deal with data, the permanent storage PURPOSE FLASH medium that is used for data and program and NAND FLASH storage medium, and PLD controller, all adopt ADDRESS, DATA to be connected between described SDRAM and the CPU and between PURPOSE FLASH and the CPU with the chip selection signal bus, adopt ADDRESS, DATA with PLD the expansion chip selection signal bus of CPU to be connected between NAND FLASH and CPU, the TTS module is embedded in the NANDFLASH storage medium.

2, a kind of GPS intelligent vehicle mounted terminal machine as claimed in claim 1 is characterized in that: described OSC oscillator adopts the active oscillating device.

3, a kind of GPS intelligent vehicle mounted terminal machine as claimed in claim 1 is characterized in that: described Crystal oscillator adopts the passive oscillation device.

4, a kind of GPS intelligent vehicle mounted terminal machine as claimed in claim 1 is characterized in that: described EEPROM adopts AT24C64.

5, a kind of intelligent vehicle mounted terminal machine as claimed in claim 1 is characterized in that: adopt PLD to be connected key-press module KEY and indicator light LED respectively between the Keysheet module that band LED shows and the CPU.

6, a kind of intelligent vehicle mounted terminal machine as claimed in claim 1, it is characterized in that: the GPRS module is provided with independently GPRS antenna, adopts UART to be connected realization GPRS data communication between GPRS module and the CPU.

7, a kind of intelligent vehicle mounted terminal machine as claimed in claim 1, it is characterized in that: the GPS module is provided with independently gps antenna, adopts UART to be connected between GPS module and the CPU and obtains the gps satellite locating information.