CN207799085U - A kind of Portable external Beidou navigation device based on Android terminal - Google Patents
A kind of Portable external Beidou navigation device based on Android terminal Download PDFInfo
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- CN207799085U CN207799085U CN201820028363.XU CN201820028363U CN207799085U CN 207799085 U CN207799085 U CN 207799085U CN 201820028363 U CN201820028363 U CN 201820028363U CN 207799085 U CN207799085 U CN 207799085U
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- beidou navigation
- chip
- navigation device
- android terminal
- usb interface
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Abstract
The utility model provides a kind of Portable external Beidou navigation device based on Android terminal, including Beidou navigation chip and communication chip, the Beidou navigation chip is connected with communication chip, communication chip is also connected with USB interface, and the Beidou navigation device is connected by USB interface with Android terminal.Beidou navigation device is set to can apply in any existing Android terminal using the plug-in mode of USB interface using Beidou satellite navigation system.So that the existing Android terminal for not having Beidou navigation function is passed through the present apparatus and round-the-clock, round-the-clock the real-time navigation of Beidou satellite navigation system offer, high-precision quickly positioning, position function of reporting are provided；Using the power management of low-power consumption, the power consumption of device is reduced.
Description
Technical field
It is the utility model is related to Beidou navigation technical field, more particularly to a kind of portable outer based on Android terminal
Set Beidou navigation device.
Background technology
Beidou satellite navigation system (BeiDou Navigation Satellite System, hereinafter referred to as dipper system)
It is that China is conceived to national security and socio-economic development needs, autonomous construction, independently operated satellite navigation system, it is complete to be
Ball user provide round-the-clock, round-the-clock, it is high-precision positioning, navigation and time service service national important space infrastructure.
Dipper system arrives the year two thousand twenty or so as one of Global Satellite Navigation System supplier, and dipper system will be formed by 3
Geostationary orbit satellite, 3 tilt circle earth-orbiting satellite, totally 30 networkings in geo-synchronous orbit satellites and 24 and defend
The constellation that star is constituted, open to Global Subscriber offer, freely, the positioning of high quality, navigation, time service, short message, the clothes such as search and rescue
Business.
On November 5th, 2017, first batch of two satellite launchs success in No. three MEO satellites of 24 Big Dippeves.The Big Dipper three is
System is estimated to improve 1~2 times than No. two performances of the Big Dipper, and system planning the year two thousand twenty completes global networking, can be covered with " a band within 2018
Country along all the way ".No. three satellites of the Big Dipper increase performance and more preferably interoperate signal B1C and B2a signal.Satellite additionally uses
The rubidium atomic clock and hydrogen atomic clock of higher performance, rubidium atomic clock day stability are E-14 magnitudes, and hydrogen atomic clock day stability is E-
15 magnitudes.By using new technology, spacing wave precision will be better than 0.5 meter, and positioning accuracy will promote 1-2 times, reach 2.5
The level of -5 meters of rice.
In industry application aspect, the constantly improve fusion application of dipper system is horizontal with industrialized development, deepens constantly satellite
The service of navigation high-precision and cloud computing, the technological incorporation of Internet of Things and big data, satellite navigation and high-end manufacturing industry, advanced software
The Industrial Convergence of industry, integrated data industry.
Android is a kind of freedom based on Linux and the operating system of open source code, is mainly used for movement and sets
It is standby, as the world market share of smart mobile phone and tablet computer, fourth quarter in 2013, Android platform mobile phone has reached
To 78.1%.Extremely widespread promote the use of has been obtained in the equipment of this Chinese system
OTG is the abbreviation of On-The-Go, is announced by USB Implementers Forum on December 18th, 2001, mainly
Applied to the connection between a variety of different equipment or mobile device, data exchange is carried out.It is especially Pad, mobile phone, consumer
Equipment.Change such as a variety of different systems connectors of digital camera, video camera, printer equipment room, up to 7 kinds of standards are deposited
The inconvenience of data exchange between card storage.Start within 2014 or so universal in market.
Problem of the prior art and disadvantage are summarized as follows：
1, most of existing Android terminal supports the location navigation service that GPS is provided, but precision is relatively low.In recent years
A small number of newly developed Android terminals use the location navigation service of dipper system offer, but quantity is seldom.It is most of existing
Android terminal does not have real-time navigation, quick positioning, precision time service, position report and the short report of dipper system offer substantially
Literary communication service function.Also, newly developed Android terminal is built-in dipper system, is only applied in new product, cannot
Applied to existing Android terminal；
Power supply can be provided to external device when 2, exchanging data by OTG interfaces, the stand-by time of Android terminal can be made
It decreases.
Invention content
In order to solve the problems, such as described in background technology, the utility model provides a kind of based on the portable of Android terminal
External Beidou navigation device enables Beidou navigation device using Beidou satellite navigation system using the plug-in mode of USB interface
Applied in any existing Android terminal.The existing Android terminal for not having Beidou navigation function is set to pass through the present apparatus
Has round-the-clock, round-the-clock the real-time navigation of Beidou satellite navigation system offer, high-precision quickly positions, position report work(
Energy；Using the power management of low-power consumption, the power consumption of device is reduced.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of Portable external Beidou navigation device based on Android terminal, the Beidou navigation device include north
Bucket navigation chip and communication chip, the Beidou navigation chip are connected with communication chip, and communication chip is also connected with USB and connects
Mouthful, the Beidou navigation device is connected by USB interface with Android terminal.
The communication chip is the serial port communication chip for supporting OTG agreements, is sent data to by USB interface
Android terminal.
The Beidou navigation device further includes power management chip, and power management chip input terminal connects USB interface
The ends VCC5V, output end connect the power supply side of Beidou navigation chip, and the power management chip uses LDO type micro energy loses
Low pressure difference linear voltage regulator.
Compared with prior art, the utility model has the beneficial effects that：
1, a kind of Portable external Beidou navigation device based on Android terminal of the utility model is portable outer
Device is set, has larger using flexible, it can be in the base for not changing existing Android terminal hardware capability and overall performance
On plinth, terminal is made to realize the acquisition of dipper system related service information.For existing Android device precision time service, make existing
Android device realization is tested the speed, movement locus records display function；To there is the user of demand to provide Big Dipper short message communication clothes
Business.
2, a kind of Portable external Beidou navigation device based on Android terminal of the utility model is relatively single
Beidou navigation equipment (market price is at 2500 yuan or more) is of low cost, and practical popularization and application are more convenient.
3, a kind of Portable external Beidou navigation device based on Android terminal of the utility model, it is micro- using LDO types
The low pressure difference linear voltage regulator of power consumption efficiently easily solves the problems, such as kwh loss when OTG interface data transmissions.
Description of the drawings
Fig. 1 is a kind of circuit knot of Portable external Beidou navigation device based on Android terminal of the utility model
Structure schematic diagram；
Fig. 2 is a kind of specific reality of Portable external Beidou navigation device based on Android terminal of the utility model
Apply a circuit diagram.
Specific implementation mode
Specific implementation mode provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, 2, a kind of Portable external Beidou navigation device based on Android terminal, the Big Dipper are led
The device that navigates includes Beidou navigation chip and communication chip, and the Beidou navigation chip is connected with communication chip, communication chip
USB interface is connected, the Beidou navigation device is connected by USB interface with Android terminal.
The communication chip is the serial port communication chip for supporting OTG agreements, the serial ports TTL that Beidou navigation chip is provided
Level conversion is serial data；Android terminal is sent data to by OTG interfaces.
The Beidou navigation device further includes power management chip, the power management chip output end V-out connection Big Dippeves
The power supply side of navigation chip, the power management chip use the low pressure difference linear voltage regulator of LDO type micro energy loses.Power supply
The input terminal V-in of managing chip can connect the ends VCC5V of USB interface, be powered (Fig. 2 realities to it by Android terminal
Apply example).The input terminal V-in of power management chip can also connect the feeder ear of battery, be battery powered.
The optional type of Beidou navigation chip：The UM220 series modules provided with Xin Xingtong companies, including：UM220-IV N、
UM220-III NV、UM220-INS N、UM220-III NB、UM220-III NL、UM220-III H、UM220-III L；
UM332 modules；UM482 modules etc..
The optional type of serial port communication chip：FTDI_232 family chips, such as：FT232BL/RL etc.；CP210x family chips,
Such as：CP2102, CP2104 etc..
The optional type of LDO power management chips：Power management must use LDO chips rather than conventional high-pressure difference linear steady
Press chip, voltage stabilizing chip RT9161A-33PX；Voltage stabilizing chip XC6206P332MR etc.；
Above example is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (3)
1. a kind of Portable external Beidou navigation device based on Android terminal, which is characterized in that including Beidou navigation chip
And communication chip, the Beidou navigation chip are connected with communication chip, communication chip is also connected with USB interface, the north
Bucket navigation device is connected by USB interface with Android terminal.
2. a kind of Portable external Beidou navigation device based on Android terminal according to claim 1, feature exist
In the communication chip is the serial port communication chip for supporting OTG agreements, and Android ends are sent data to by USB interface
End.
3. a kind of Portable external Beidou navigation device based on Android terminal according to claim 1, feature exist
In the Beidou navigation device further includes power management chip, and power management chip input terminal connects the VCC5V of USB interface
End, output end connect the power supply side of Beidou navigation chip, and the power management chip uses the low pressure of LDO type micro energy loses
Difference linear constant voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028363.XU CN207799085U (en) | 2018-01-08 | 2018-01-08 | A kind of Portable external Beidou navigation device based on Android terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028363.XU CN207799085U (en) | 2018-01-08 | 2018-01-08 | A kind of Portable external Beidou navigation device based on Android terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799085U true CN207799085U (en) | 2018-08-31 |
Family
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| CN201820028363.XU Expired - Fee Related CN207799085U (en) | 2018-01-08 | 2018-01-08 | A kind of Portable external Beidou navigation device based on Android terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966721A (en) * | 2018-01-08 | 2018-04-27 | 鞍山师范学院 | A kind of Portable external Beidou navigation device based on Android terminal |
-
2018
- 2018-01-08 CN CN201820028363.XU patent/CN207799085U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966721A (en) * | 2018-01-08 | 2018-04-27 | 鞍山师范学院 | A kind of Portable external Beidou navigation device based on Android terminal |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180831 Termination date: 20210108 |