CN202548332U - Portable GPS (Global Position System) vehicle-mounted terminal with LCD (Liquid Crystal Display) screen - Google Patents
Portable GPS (Global Position System) vehicle-mounted terminal with LCD (Liquid Crystal Display) screen Download PDFInfo
- Publication number
- CN202548332U CN202548332U CN2012201482953U CN201220148295U CN202548332U CN 202548332 U CN202548332 U CN 202548332U CN 2012201482953 U CN2012201482953 U CN 2012201482953U CN 201220148295 U CN201220148295 U CN 201220148295U CN 202548332 U CN202548332 U CN 202548332U
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- CN
- China
- Prior art keywords
- mounted terminal
- microprocessor
- vehicle
- portable gps
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a portable GPS (Global Position System) vehicle-mounted terminal with an LCD (Liquid Crystal Display) screen. The portable GPS vehicle-mounted terminal is characterized by comprising a microprocessor, a GPS positioning module, a CDMA (Code Division Multiple Access) wireless communication module and the LCD screen, wherein the GPS positioning module and the CDMA wireless communication module are respectively connected with the microprocessor through a UART (Universal Asynchronous Receiver Transmitter) bus, and the LCD screen is connected with the microprocessor by an SPI (Serial Peripheral Interface) bus. According to the portable GPS vehicle-mounted terminal, the LCD screen can display the position of a car in real time, so that the use is convenient; a watchdog module is arranged, so that the stability and the security of the system are improved; and in addition, the portable GPS vehicle-mounted terminal has the advantages that the cost is low, the volume is small, the use and the carrying are convenient, etc.
Description
Technical field
The utility model relates to a kind of portable GPS car-mounted terminal with LCD display.
Background technology
GPS (Global Positioning System) car-mounted terminal relies on technological means such as satnav, geography information and radio communication; Can grasp the vehicle location coordinate in real time; And this position coordinates and the road data in the transportation database stored compared; And then calculate present road that goes of vehicle and physical location, the software and hardware system ensemble of management and running information is provided for the traffic of daily motor vehicle and logistics transport enterprise etc.
Though existing GPS car-mounted terminal is multiple functional, the processor cost is higher, and complicated circuit, house dog is not set, system stability is poor.In addition, existing GPS car-mounted terminal volume is bigger, and weight is heavier, uses and carry all comparatively inconvenience.
The utility model content
The purpose of the utility model is to solve the deficiency of prior art, and a kind of portable GPS car-mounted terminal of simple in structure, band LCD display that cost is low is provided.
The purpose of the utility model realizes through following technical scheme: the portable GPS car-mounted terminal of band LCD display; It comprises microprocessor, GPS locating module, cdma wireless communication module and LCD display; The GPS locating module is connected with microprocessor through the UART bus respectively with the cdma wireless communication module, and LCD display is connected with microprocessor through spi bus.
The utility model also comprises a watchdog module, and watchdog module is connected with microprocessor through bus.
The described microprocessor of the utility model adopts the STM32 family chip.
The beneficial effect of the utility model is: but the position of LCD display instant playback automobile is easy to use; Stability and security that watchdog module has improved system's operation are set; Have in addition that cost is low, volume is little, easy to use and characteristics such as carry.
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; The portable GPS car-mounted terminal of band LCD display; It comprises microprocessor, GPS locating module, cdma wireless communication module and LCD display; Microprocessor adopts STM32 family chip cheaply, and the GPS locating module is connected with microprocessor through the UART bus respectively with the cdma wireless communication module, and LCD display is connected with microprocessor through spi bus; It also comprises a watchdog module, and watchdog module is connected with microprocessor through bus.
The course of work of the utility model is following: the GPS locating module is sent to microprocessor after receiving positioning signal; The microprocessor may command is through LCD display display automobile position; Also can positional information be uploaded to remote server through the cdma wireless communication network, be convenient to telemanagement; Watchdog module plays supervision and protective effect to microprocessor in the process of system's operation, improved the stability and the security of system's operation.
Claims (3)
1. be with the portable GPS car-mounted terminal of LCD display; It is characterized in that: it comprises microprocessor, GPS locating module, cdma wireless communication module and LCD display; The GPS locating module is connected with microprocessor through the UART bus respectively with the cdma wireless communication module, and LCD display is connected with microprocessor through spi bus.
2. the portable GPS car-mounted terminal of band LCD display according to claim 1 is characterized in that: it also comprises a watchdog module, and watchdog module is connected with microprocessor through bus.
3. the portable GPS car-mounted terminal of band LCD display according to claim 1 is characterized in that: described microprocessor adopts the STM32 family chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482953U CN202548332U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (Global Position System) vehicle-mounted terminal with LCD (Liquid Crystal Display) screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482953U CN202548332U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (Global Position System) vehicle-mounted terminal with LCD (Liquid Crystal Display) screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548332U true CN202548332U (en) | 2012-11-21 |
Family
ID=47168947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201482953U Expired - Lifetime CN202548332U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (Global Position System) vehicle-mounted terminal with LCD (Liquid Crystal Display) screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200230A (en) * | 2017-12-26 | 2018-06-22 | 成都傅立叶电子科技有限公司 | A kind of mobile phone satellite communication method based on STM32 platforms |
-
2012
- 2012-04-10 CN CN2012201482953U patent/CN202548332U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200230A (en) * | 2017-12-26 | 2018-06-22 | 成都傅立叶电子科技有限公司 | A kind of mobile phone satellite communication method based on STM32 platforms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |