CN202563092U - CDMA network-based GPS vehicle-mounted terminal - Google Patents
CDMA network-based GPS vehicle-mounted terminal Download PDFInfo
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- CN202563092U CN202563092U CN2012201482991U CN201220148299U CN202563092U CN 202563092 U CN202563092 U CN 202563092U CN 2012201482991 U CN2012201482991 U CN 2012201482991U CN 201220148299 U CN201220148299 U CN 201220148299U CN 202563092 U CN202563092 U CN 202563092U
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Abstract
The utility model discloses a CDMA network-based GPS vehicle-mounted terminal, comprising a microprocessor, an ARM kernel, a GPS positioning module, a CDMA wireless communication module and an external bus interface. The microprocessor and the ARM kernel are connected via an I/O interface and a serial interface. The external bus interface comprises an RS-232 bus interface and an RS-485 bus interface. The GPS positioning module is connected with the microprocessor via the serial interface. The RS-485 bus interface is connected with the microprocessor via an RS-485 bus. The CDMA wireless communication module is connected with the ARM kernel via the serial interface. The RS-232 bus interface is connected with the ARM kernel via an RS-232 bus. The CDMA network-based GPS vehicle-mounted terminal of the utility model allows direct reading and transferring of data from a USB flash disk or an SD card, achieves the voice broadcast function and the video and image acquisition function which allows real-time recording of the vehicle field information, and has the dimension convenient for installation and application.
Description
Technical field
The utility model relates to a kind of GPS car-mounted terminal based on cdma network.
Background technology
GPS (Global Positioning System) car-mounted terminal can be grasped the vehicle location coordinate in real time; And through the comparison between the road data in this position coordinates and the transportation database; Calculate present road that goes of vehicle and the relation between the physical location, thereby play the effect of navigation, GPS car-mounted terminal traditional driving the age of paper map of seeing while going that terminated; The navigation of going comparatively accurately is provided, and the driver has walked detour less and has also improved the security of driving.
The GPS vehicle-mounted terminal system is not provided with USB flash disk interface and SD card in the prior art, can not directly read the data with unloading USB flash disk or SD card, use limitation cry strong, compatibility is relatively poor; Do not possess voice broadcast function, terminal device and driver are not convenient alternately, need operating personnel to consult road information voluntarily, and many times, the driver need stop and consult road information, use very inconvenient; Do not possess video and image is taked function, can not carry out real time record and read the vehicle field data, when traffic accident take place or the vehicle operating way in when going wrong, can not clearly know concrete condition, can not in time succour; In addition, much bigger the volume of existing GPS car-mounted terminal is, installs onboard and use all very inconvenient.
The utility model content
The purpose of the utility model is to solve the deficiency of existing GPS car-mounted terminal; A kind of novel GPS car-mounted terminal based on cdma network is provided; Overcome the traditional vehicle mounted terminal and can not read the data with unloading USB flash disk or SD card, use limitation cry strong, compatibility is relatively poor; Do not possess voice broadcast function, use inconvenient; Do not possess video and image is taked function, can not real time record with read the vehicle field data big with volume, install and shortcoming such as use inconvenience.
The purpose of the utility model realizes through following technical scheme: based on the GPS car-mounted terminal of cdma network, it comprises microprocessor, ARM kernel, GPS locating module, cdma wireless communication module and external bus interface; Be connected with serial line interface through the I/O interface between microprocessor and the ARM kernel; Described external bus interface comprises RS-232 EBI and RS-485 EBI; The GPS locating module is connected with microprocessor through serial line interface, and the RS-485 EBI is connected with microprocessor through the RS-485 bus; The cdma wireless communication module is connected with the ARM kernel through serial line interface, and the RS-232 EBI is connected with the ARM kernel through the RS-232 bus.
The utility model also comprises a TTS voice broadcast module and a camera module, and TTS voice broadcast module is connected with microprocessor through serial line interface respectively with camera module; TTS voice broadcast module comprises TTS voice broadcast chip and pronunciation device, and described pronunciation device comprises loudspeaker.
The utility model also comprises an IC-card card reading module, and the IC-card card reading module is connected with microprocessor through the ICC bus
The utility model also comprises a Flash storer, and the Flash storer is connected with microprocessor through spi bus.
The utility model also comprises an I/O light-coupled isolation module, and I/O light-coupled isolation module is connected with microprocessor through the I/O bus.
The utility model also comprises an ethernet physical layer PHY chip, and ethernet physical layer PHY chip is connected with microprocessor through the CAN bus.
The utility model also comprises a LCD display module, a USB interface and a SDIO interface, and LCD display module, USB interface and SDIO interface are connected with the ARM kernel through spi bus, usb bus and SDIO bus respectively.
The utility model also comprises a SDRAM and a NAND-FLASH internal memory, and SDRAM is connected with the ARM kernel through bus respectively with the NAND-FLASH internal memory.
The utility model also comprises a microphone module and a loudspeaker module, and microphone module is connected with the ARM kernel through the AD/DA module with loudspeaker module.
The described microprocessor of the utility model is the STM32F103 chip, and the ARM kernel is the AM1705 chip.
The beneficial effect of the utility model is:
(1) USB flash disk interface and SD card are set, can directly read the data with unloading USB flash disk or SD card, easy to use, compatible good;
(2) possess voice broadcast function, make things convenient for mutual between driver and the terminal device, need not operating personnel and consult road information voluntarily, use more convenient;
(3) possess video and image is taked function, the vehicle field data carried out real time record and reads, when traffic accident take place or the vehicle operating way in when going wrong, can clearly know the concrete condition that vehicle is on-the-spot, conveniently in time implement relief;
(4) the GPS car-mounted terminal is designed to the 1DIN size of standard, installation and easy to use on automobile;
(5) use high performance AM1705 processor, improved the device data arithmetic capability, AM1705 is inner integrated simultaneously more peripheral interfaces have reduced peripheral discrete devices.
Description of drawings
Fig. 1 is the utility model structural representation block diagram.
Embodiment
The technical scheme of the utility model is described in further detail: as shown in Figure 1 below in conjunction with accompanying drawing; Based on the GPS car-mounted terminal of cdma network, it comprises microprocessor, ARM kernel, GPS locating module, cdma wireless communication module, TTS voice broadcast module, camera module, Flash storer, I/O light-coupled isolation module, ethernet physical layer PHY chip, LCD display module, USB interface, SDIO interface and external bus interface; Microprocessor is the STM32F103 chip, and the ARM kernel is the AM1705 chip, is connected with serial line interface through the I/O interface between STM32F103 chip and the AM1705 chip; Described external bus interface comprises RS-232 EBI and RS-485 EBI, and the RS-485 interface can connect the equipment that oil mass detects 485 interfaces such as box as required; TTS voice broadcast module comprises TTS voice broadcast chip and pronunciation device, and pronunciation device comprises loudspeaker; GPS locating module, TTS voice broadcast module and camera module are connected with the STM32F103 chip through serial line interface respectively; The Flash storer is connected with the STM32F103 chip through spi bus; I/O light-coupled isolation module is connected with the STM32F103 chip through the I/O bus; Ethernet physical layer PHY chip is connected with the STM32F103 chip through CAN (Controller Area Network, controller local area network) bus, and the CAN EBI can connect the CAN bus of automobile; Be used to read status informations such as braking automobile, direction, door contact interrupter and speed, the RS-485 EBI is connected with the STM32F103 chip through the RS-485 bus; The cdma wireless communication module is connected with the AM1705 chip through serial line interface; The LCD display module is connected with the AM1705 chip through spi bus; USB interface is connected with the AM1705 chip through usb bus; The SDIO interface is connected with the AM1705 chip through the SDIO bus, and the RS-232 EBI is connected with the AM1705 chip through the RS-232 bus.Movement circuit also comprises an IC-card card reading module, and the IC-card card reading module is connected with the STM32F103 chip through the ICC bus, and the IC-card card reading module can be used for gathering driver's information.Movement circuit also comprises a SDRAM and a NAND-FLASH internal memory, and SDRAM is connected with the AM1705 chip through bus respectively with the NAND-FLASH internal memory.Movement circuit also comprises a microphone module and a loudspeaker module, and microphone module is connected with the AM1705 chip through the AD/DA module with loudspeaker module, and microphone and loudspeaker can be used for recording and reporting the speech message that remote control center is sent.The also built-in thermal printer of GPS car-mounted terminal can be printed vehicle-state and driver information etc.
Claims (10)
1. based on the GPS car-mounted terminal of cdma network, it is characterized in that: it comprises microprocessor, ARM kernel, GPS locating module, cdma wireless communication module and external bus interface; Be connected with serial line interface through the I/O interface between microprocessor and the ARM kernel; Described external bus interface comprises RS-232 EBI and RS-485 EBI; The GPS locating module is connected with microprocessor through serial line interface, and the RS-485 EBI is connected with microprocessor through the RS-485 bus; The cdma wireless communication module is connected with the ARM kernel through serial line interface, and the RS-232 EBI is connected with the ARM kernel through the RS-232 bus.
2. the GPS car-mounted terminal based on cdma network according to claim 1; It is characterized in that: it also comprises a TTS voice broadcast module and a camera module, and TTS voice broadcast module is connected with microprocessor through serial line interface respectively with camera module; TTS voice broadcast module comprises TTS voice broadcast chip and pronunciation device, and described pronunciation device comprises loudspeaker.
3. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises an IC-card card reading module, and the IC-card card reading module is connected with microprocessor through the ICC bus.
4. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises a Flash storer, and the Flash storer is connected with microprocessor through spi bus.
5. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises an I/O light-coupled isolation module, and I/O light-coupled isolation module is connected with microprocessor through the I/O bus.
6. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises an ethernet physical layer PHY chip, and ethernet physical layer PHY chip is connected with microprocessor through the CAN bus.
7. the GPS car-mounted terminal based on cdma network according to claim 1; It is characterized in that: it also comprises a LCD display module, a USB interface and a SDIO interface, and LCD display module, USB interface and SDIO interface are connected with the ARM kernel through spi bus, usb bus and SDIO bus respectively.
8. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises a SDRAM and a NAND-FLASH internal memory, and SDRAM is connected with the ARM kernel through bus respectively with the NAND-FLASH internal memory.
9. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: it also comprises a microphone module and a loudspeaker module, and microphone module is connected with the ARM kernel through the AD/DA module with loudspeaker module.
10. the GPS car-mounted terminal based on cdma network according to claim 1 is characterized in that: described microprocessor is the STM32F103 chip, and the ARM kernel is the AM1705 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482991U CN202563092U (en) | 2012-04-10 | 2012-04-10 | CDMA network-based GPS vehicle-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482991U CN202563092U (en) | 2012-04-10 | 2012-04-10 | CDMA network-based GPS vehicle-mounted terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN202563092U true CN202563092U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201482991U Expired - Fee Related CN202563092U (en) | 2012-04-10 | 2012-04-10 | CDMA network-based GPS vehicle-mounted terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023524A (en) * | 2012-12-28 | 2013-04-03 | 上海航盛实业有限公司 | Vehicle-mounted terminal |
| CN103472758A (en) * | 2013-09-18 | 2013-12-25 | 苏州市伏泰信息科技有限公司 | Novel sanitation vehicle intelligent monitoring device |
| CN106550034A (en) * | 2016-10-28 | 2017-03-29 | 芜湖市吉安汽车电子销售有限公司 | A kind of vehicle-mounted DA interacted systems based on Linux platform |
-
2012
- 2012-04-10 CN CN2012201482991U patent/CN202563092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023524A (en) * | 2012-12-28 | 2013-04-03 | 上海航盛实业有限公司 | Vehicle-mounted terminal |
| CN103472758A (en) * | 2013-09-18 | 2013-12-25 | 苏州市伏泰信息科技有限公司 | Novel sanitation vehicle intelligent monitoring device |
| CN106550034A (en) * | 2016-10-28 | 2017-03-29 | 芜湖市吉安汽车电子销售有限公司 | A kind of vehicle-mounted DA interacted systems based on Linux platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20190410 |