WO2012041109A1 - Mobile terminal having gps navigation function and method for forming three-dimensional location information with mobile terminal - Google Patents

Mobile terminal having gps navigation function and method for forming three-dimensional location information with mobile terminal Download PDF

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Publication number
WO2012041109A1
WO2012041109A1 PCT/CN2011/076842 CN2011076842W WO2012041109A1 WO 2012041109 A1 WO2012041109 A1 WO 2012041109A1 CN 2011076842 W CN2011076842 W CN 2011076842W WO 2012041109 A1 WO2012041109 A1 WO 2012041109A1
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WIPO (PCT)
Prior art keywords
mobile terminal
gps
module
navigation function
information
Prior art date
Application number
PCT/CN2011/076842
Other languages
French (fr)
Chinese (zh)
Inventor
王亚辉
Original Assignee
惠州Tcl移动通信有限公司
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Publication of WO2012041109A1 publication Critical patent/WO2012041109A1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/10—Details of telephonic subscriber devices including a GPS signal receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the present invention relates to a GPS navigation technology, and in particular, to a mobile terminal having a GPS navigation function and a method for forming a three-dimensional stereo position information by the mobile terminal.
  • GPS positioning Global Positioning System
  • the GPS terminal when a user is driving on an overpass and an elevated road, the GPS terminal often issues incorrect navigation commands. For example, when driving normally on the overpass, the GPS terminal suddenly prompts the driver to turn right, but there is no right-turning exit on the bridge. This is because the GPS terminal does not accurately determine whether the actual location of the vehicle is on the bridge or under the bridge, thus issuing an incorrect command.
  • the altitude error calculated by the GPS terminal reaches several tens of meters, and the height difference between the upper and lower layers of the general overpass and the elevated road is usually in the range of several meters to ten meters, because the GPS terminal The height data is not calculated on the navigation map, so the three-dimensional overpass is directly treated as a two-dimensional intersection, and the horizontal positioning error of the GPS terminal is added, so that the error under the bridge is often judged.
  • an object of the present invention is to provide a mobile terminal having a GPS navigation function and a method for forming a three-dimensional stereo position information of the mobile terminal, which can accurately obtain a mobile The three-dimensional position information of the terminal.
  • one technical solution adopted by the present invention is: providing a mobile terminal having a GPS navigation function, comprising a GPS module for acquiring horizontal position information of the mobile terminal, and further comprising acquiring the mobile terminal in real time.
  • the pressure detecting module of the atmospheric pressure information and the control module for obtaining the three-dimensional position information of the mobile terminal according to the horizontal position information and the atmospheric pressure information; the pressure detecting module and the GPS module are respectively connected with the control module; the pressure detecting module includes the pressure The sensor and the ADC unit, the pressure sensor is connected to the control module through the ADC unit; the mobile terminal further includes an antenna, and the antenna is connected to the GPS module.
  • the pressure sensor is a high precision atmospheric pressure sensor.
  • the pressure detection module is an integrated chip.
  • the mobile terminal is an in-vehicle GPS terminal.
  • the mobile terminal is a mobile phone.
  • a mobile terminal having a GPS navigation function which includes a GPS module for acquiring horizontal position information of the mobile terminal, and a real-time acquisition for moving a pressure detecting module for atmospheric pressure information of the terminal and a control module for obtaining three-dimensional position information of the mobile terminal according to the horizontal position information and the atmospheric pressure information; and the pressure detecting module and the GPS module are respectively connected to the control module.
  • the pressure detecting module includes a pressure sensor and an ADC unit, and the pressure sensor is connected to the control module through the ADC unit.
  • the mobile terminal further includes an antenna, and the antenna is connected to the GPS module.
  • the pressure sensor is a high precision atmospheric pressure sensor.
  • the pressure detection module is an integrated chip.
  • the mobile terminal is an in-vehicle GPS terminal.
  • the mobile terminal is a mobile phone.
  • a technical solution that is also used by the present invention is: Providing a working method of a mobile terminal, comprising the steps of: acquiring atmospheric pressure information of a location where the mobile terminal is located; The atmospheric pressure information calculates the altitude; acquires the horizontal position information of the mobile terminal; and forms the three-dimensional position information according to the altitude and the horizontal position information.
  • the mobile terminal with GPS navigation function provided by the invention has the pressure detecting module for detecting atmospheric pressure, and can obtain the atmospheric pressure of the position where the mobile terminal is located in real time, so that the control module can according to the atmospheric pressure and the altitude.
  • the corresponding relationship calculates the altitude of the mobile terminal, and according to the horizontal position information acquired by the GPS module, the three-dimensional information of the mobile terminal is obtained, and the mobile terminal is accurately positioned and navigated, thereby guiding the driver on the overpass and the elevated road.
  • Driving on the right side provides a strong guarantee for the safety of the driver.
  • the mobile terminal of the present invention can also provide the climber with an accurate altitude, which brings more convenience and fun to people's outdoor activities.
  • FIG. 1 is a structural block diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a method for forming three-dimensional stereo position information of a mobile terminal according to an embodiment of the present invention.
  • the invention provides a mobile terminal with GPS navigation function, which uses a high-precision atmospheric pressure sensor, can obtain the atmospheric pressure of the position where the mobile terminal is located in real time, and the control module can accurately calculate according to the correspondence between the air pressure and the altitude. Out of the altitude of the mobile terminal, according to the horizontal position information acquired by the GPS module, the accurate three-dimensional position information is obtained, which provides a strong guarantee for the safety of the driver.
  • a mobile terminal with a GPS navigation function provided by an embodiment of the present invention includes a GPS module 110 , a pressure detection module 120 , and a control module 130 .
  • the GPS module 110 and the pressure detecting module 120 are respectively connected to the control module 130.
  • the GPS module 110 is configured to acquire the horizontal position information of the mobile terminal, and the pressure detecting module 120 is configured to acquire atmospheric pressure information of the location where the mobile terminal is located in real time, and convert the obtained analog signal into a digital signal and send the signal to the control module 130. .
  • the control module 130 is configured to calculate an actual altitude of the location where the mobile terminal is located according to the atmospheric pressure information obtained by the pressure detecting module 120, and then combine and obtain an accurate three-dimensional image according to the horizontal position information obtained by the GPS module 110. location information.
  • the GPS module 110 is connected to an antenna, so that the information of the location of the mobile terminal can be obtained in real time to achieve accurate positioning.
  • the pressure detecting module 120 can be designed as an integrated chip to reduce the spatial position occupied by the pressure detecting module 120 on the mobile terminal motherboard, thereby reducing the volume of the mobile terminal.
  • the pressure detecting module 120 includes a pressure sensor 121 and an ADC unit 122 (Analog-to-Digital Converter), and the pressure sensor 121 is a high-precision atmospheric pressure sensor. It is connected to the control module via an ADC unit.
  • the pressure sensor 121 is used to calculate the altitude error according to the atmospheric pressure it tests, and can be accurate to within 1 meter, so that when the user is driving on the overpass, the pressure sensor 121 can accurately determine that the user is in the position.
  • the bridge is still under the bridge.
  • the pressure sensor 121 senses the atmospheric pressure of the current mobile terminal, it is converted into a digital signal by the ADC unit 122, and then transmitted to the control module 130 through the I2C interface or the SPI interface of the integrated chip, and the control module 130 according to the air pressure and The altitude relationship corresponds to the altitude at which the mobile terminal is located.
  • the mobile terminal is an in-vehicle GPS terminal, and the in-vehicle GPS terminal can guide the driver to the correct driving route on the overpass and the elevated road.
  • the mobile terminal is a mobile phone.
  • the mobile phone is an indispensable communication tool in people's lives.
  • the mobile phone has accurate navigation function, people do not need to carry a GPS at the same time when going out.
  • the receiver brings convenience to people's outdoor activities.
  • the mobile terminal with GPS navigation function uses the pressure detecting module for detecting atmospheric pressure to obtain the atmospheric pressure at the position of the mobile terminal in real time, so that the control module according to the atmosphere
  • the corresponding relationship between the pressure and the altitude calculates the altitude at which the mobile terminal is located, and according to the horizontal position information acquired by the GPS module, the three-dimensional information of the mobile terminal is obtained.
  • the error of the resolution of the mobile terminal of the invention can be accurate to within 1 meter, and can be used for navigation of overpasses and elevated roads, thereby guiding the driver to correctly drive on the overpass and the elevated road, and providing a strong guarantee for the safety of the driver.
  • the mobile terminal of the present invention can also provide accurate height for the climber, and bring more convenience and fun to people's outdoor activities.
  • the present invention also provides a method for forming three-dimensional stereo position information by a mobile terminal having a GPS navigation function.
  • FIG. 3 is a flowchart of a method for forming three-dimensional stereo position information by a mobile terminal according to an embodiment of the present invention. Including the following steps:
  • Step S1 Obtain atmospheric pressure information of a location where the mobile terminal is located.
  • the atmospheric pressure information of the location where the mobile terminal is located is acquired in real time.
  • the mobile terminal includes a mobile phone and an in-vehicle GPS terminal.
  • Step S2 calculating the altitude according to the atmospheric pressure information.
  • Step S3 Obtain horizontal location information of the mobile terminal.
  • the horizontal position information of the mobile terminal is acquired by using the GPS built in the mobile terminal.
  • Step S4 forming three-dimensional position information according to the altitude and the horizontal position information.
  • the corresponding altitude is calculated by implementing the atmospheric pressure information of the location where the mobile terminal is located, and the altitude is combined with the horizontal position information of the location where the mobile terminal is located, thereby forming a three-dimensional position information, which can be real-time. Get the location information of the mobile terminal to achieve fine Determine the bit.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Telephone Function (AREA)

Abstract

A mobile terminal having a GPS navigation function and a method for forming three-dimensional location information with the mobile terminal are provided. The mobile terminal includes a GPS module (110) for obtaining horizontal location information of the mobile terminal, a pressure detection module (120) for obtaining atmosphere pressure information of the mobile terminal in real time, and a control module (130) for acquiring three-dimensional location information of the mobile terminal according to the horizontal location information and the atmosphere pressure information. The pressure detection module (120) and the GPS module (110) are connected to the control module (130). The mobile terminal having the GPS navigation function adopts the pressure detection module (120) for detecting the atmosphere pressure, which may obtain the atmosphere pressure of a location where the mobile terminal is located in real time, so that the control module (130) calculates the altitude of the location where the mobile terminal is located according to the correspondence between the atmosphere pressure and the altitude, and at the same time, acquires the three-dimensional information of the location where the mobile terminal is located according to the horizontal location information obtained by the GPS module (110), so as to be provided to the mobile terminal for accurate positioning and navigation.

Description

一种具备 GPS导航功能的移动终端及该移动终端  Mobile terminal with GPS navigation function and mobile terminal
形成三维立体位置信息的方法  Method of forming three-dimensional stereo position information
【技术领域】 [Technical Field]
本发明涉及 GPS导航技术，特别涉及一种具备 GPS导航功能的移动终端及 该移动终端形成三维立体位置信息的方法。  The present invention relates to a GPS navigation technology, and in particular, to a mobile terminal having a GPS navigation function and a method for forming a three-dimensional stereo position information by the mobile terminal.
【背景技术】 【Background technique】
目前， 具备导航功能的产品越来越多， 其应用范围也越来越广， 人们在享 受 GPS导航 ( Global Positioning System, 全球定位系统） 带来便利的同时， 也 经常会遇到一些问题。  At present, there are more and more products with navigation functions, and their applications are becoming wider and wider. People enjoy the convenience of GPS positioning (Global Positioning System), and often encounter some problems.
譬如， 用户在立交桥和高架路上行驶时， GPS 终端经常会发出错误的导航 指令， 如， 在立交桥上正常行驶的时候， GPS 终端突然提示司机右转， 可是桥 上根本没有右转的出口。 这是因为 GPS终端没有准确判断出车辆实际所处的位 置是在桥上还是桥下， 从而发出了错误的指令。  For example, when a user is driving on an overpass and an elevated road, the GPS terminal often issues incorrect navigation commands. For example, when driving normally on the overpass, the GPS terminal suddenly prompts the driver to turn right, but there is no right-turning exit on the bridge. This is because the GPS terminal does not accurately determine whether the actual location of the vehicle is on the bridge or under the bridge, thus issuing an incorrect command.
由于目前 GPS定位技术和其它因素的限制， GPS终端计算出来的海拔高度 值误差达到几十米， 而一般立交桥和高架路的上下两层高度差通常也就在几米 到十米的范围， 因为 GPS终端在其导航地图上计算不到高度数据， 所以直接把 三维的立交桥当成二维的交叉路口来处理， 再加上 GPS终端的水平定位误差， 从而会经常出现桥上桥下判断错误的现象。  Due to the limitations of current GPS positioning technology and other factors, the altitude error calculated by the GPS terminal reaches several tens of meters, and the height difference between the upper and lower layers of the general overpass and the elevated road is usually in the range of several meters to ten meters, because the GPS terminal The height data is not calculated on the navigation map, so the three-dimensional overpass is directly treated as a two-dimensional intersection, and the horizontal positioning error of the GPS terminal is added, so that the error under the bridge is often judged.
上述错误的导航指令不仅会给用户行车时带来不便， 而且如果用户完全按 照导航指令来操作很可能会发生危险。  The above-mentioned erroneous navigation instructions not only cause inconvenience to the user when driving, but it is also dangerous if the user operates in full accordance with the navigation instructions.
因而现有的 GPS导航技术还有待改进和提高。  Therefore, the existing GPS navigation technology needs to be improved and improved.
【发明内容】 [Summary of the Invention]
鉴于上述现有技术的不足之处， 本发明的目的在于提供一种具备 GPS导航 功能的移动终端及该移动终端形成三维立体位置信息的方法， 能精确得出移动 终端所处的三维位置信息。 In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a mobile terminal having a GPS navigation function and a method for forming a three-dimensional stereo position information of the mobile terminal, which can accurately obtain a mobile The three-dimensional position information of the terminal.
为解决上述技术问题， 本发明釆用的一个技术方案是： 提供一种具备 GPS 导航功能的移动终端， 其包括用于获取移动终端的水平位置信息的 GPS模块， 还包括用于实时获取移动终端的大气压力信息的压力检测模块和用于根据水平 位置信息和大气压力信息， 得出移动终端的三维立体位置信息的控制模块； 压 力检测模块和 GPS模块分别与控制模块连接； 压力检测模块包括压力传感器和 ADC单元， 压力传感器通过 ADC单元与控制模块连接； 移动终端还包括天线， 天线与 GPS模块连接。  In order to solve the above technical problem, one technical solution adopted by the present invention is: providing a mobile terminal having a GPS navigation function, comprising a GPS module for acquiring horizontal position information of the mobile terminal, and further comprising acquiring the mobile terminal in real time. The pressure detecting module of the atmospheric pressure information and the control module for obtaining the three-dimensional position information of the mobile terminal according to the horizontal position information and the atmospheric pressure information; the pressure detecting module and the GPS module are respectively connected with the control module; the pressure detecting module includes the pressure The sensor and the ADC unit, the pressure sensor is connected to the control module through the ADC unit; the mobile terminal further includes an antenna, and the antenna is connected to the GPS module.
其中， 压力传感器是高精度大气压力传感器。  Among them, the pressure sensor is a high precision atmospheric pressure sensor.
其中， 压力检测模块是集成芯片。  Among them, the pressure detection module is an integrated chip.
其中， 移动终端为车载 GPS终端。  The mobile terminal is an in-vehicle GPS terminal.
其中， 移动终端为手机。  The mobile terminal is a mobile phone.
为解决上述技术问题，本发明釆用的另一个技术方案是：提供一种具备 GPS 导航功能的移动终端， 其包括用于获取移动终端的水平位置信息的 GPS模块， 还包括用于实时获取移动终端的大气压力信息的压力检测模块和用于根据水平 位置信息和大气压力信息， 得出移动终端的三维立体位置信息的控制模块； 压 力检测模块和 GPS模块分别与控制模块连接。  In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a mobile terminal having a GPS navigation function, which includes a GPS module for acquiring horizontal position information of the mobile terminal, and a real-time acquisition for moving a pressure detecting module for atmospheric pressure information of the terminal and a control module for obtaining three-dimensional position information of the mobile terminal according to the horizontal position information and the atmospheric pressure information; and the pressure detecting module and the GPS module are respectively connected to the control module.
其中， 压力检测模块包括压力传感器和 ADC单元， 压力传感器通过 ADC 单元与控制模块连接。  The pressure detecting module includes a pressure sensor and an ADC unit, and the pressure sensor is connected to the control module through the ADC unit.
其中， 移动终端还包括天线， 天线与 GPS模块连接。  The mobile terminal further includes an antenna, and the antenna is connected to the GPS module.
其中， 压力传感器是高精度大气压力传感器。  Among them, the pressure sensor is a high precision atmospheric pressure sensor.
其中， 压力检测模块是集成芯片。  Among them, the pressure detection module is an integrated chip.
其中， 移动终端为车载 GPS终端。  The mobile terminal is an in-vehicle GPS terminal.
其中， 移动终端为手机。  The mobile terminal is a mobile phone.
为解决上述技术问题， 本发明还釆用的一个技术方案是： 提供一种移动终 端的工作方法， 包括如下步骤： 获取移动终端所处位置的大气压力信息； 根据 大气压力信息计算海拔高度； 获取移动终端的水平位置信息； 根据海拔高度和 水平位置信息形成三维立体位置信息。 In order to solve the above technical problem, a technical solution that is also used by the present invention is: Providing a working method of a mobile terminal, comprising the steps of: acquiring atmospheric pressure information of a location where the mobile terminal is located; The atmospheric pressure information calculates the altitude; acquires the horizontal position information of the mobile terminal; and forms the three-dimensional position information according to the altitude and the horizontal position information.
本发明提供的一种具备 GPS导航功能的移动终端， 由于釆用了用于检测大 气压力的压力检测模块， 可实时获得移动终端所处位置的大气压力， 使控制模 块根据该大气压力与海拔高度的对应关系计算出移动终端所处位置海拔高度， 同时根据 GPS模块获取的水平位置信息， 得出移动终端所处的三维立体信息， 给移动终端准确定位和导航， 从而可以指引司机在立交桥和高架路上正确行驶， 为司机的安全提供了有力保障。 另外， 本发明的移动终端还可以为登山者提供 准确的海拔高度， 给人们的户外活动带了更多的方便和乐趣。  The mobile terminal with GPS navigation function provided by the invention has the pressure detecting module for detecting atmospheric pressure, and can obtain the atmospheric pressure of the position where the mobile terminal is located in real time, so that the control module can according to the atmospheric pressure and the altitude. The corresponding relationship calculates the altitude of the mobile terminal, and according to the horizontal position information acquired by the GPS module, the three-dimensional information of the mobile terminal is obtained, and the mobile terminal is accurately positioned and navigated, thereby guiding the driver on the overpass and the elevated road. Driving on the right side provides a strong guarantee for the safety of the driver. In addition, the mobile terminal of the present invention can also provide the climber with an accurate altitude, which brings more convenience and fun to people's outdoor activities.
【附图说明】 [Description of the Drawings]
图 1为本发明实施例提供的移动终端的结构框图；  1 is a structural block diagram of a mobile terminal according to an embodiment of the present invention;
图 2为本发明实施例提供的移动终端的原理图；  2 is a schematic diagram of a mobile terminal according to an embodiment of the present invention;
图 3 为本发明实施例提供的移动终端形成三维立体位置信息的方法的流程 图。  FIG. 3 is a flow chart of a method for forming three-dimensional stereo position information of a mobile terminal according to an embodiment of the present invention.
【具体实施方式】 【detailed description】
本发明提供一种具备 GPS导航功能的移动终端， 其釆用了高精度的大气压 力传感器， 能实时获取移动终端所处位置的大气压力， 控制模块可根据气压与 海拔高度的对应关系， 准确计算出移动终端的海拔高度， 再根据 GPS模块获取 的水平位置信息， 组合得到了准确的三维立体的位置信息， 为司机的安全提供 了有力保障。  The invention provides a mobile terminal with GPS navigation function, which uses a high-precision atmospheric pressure sensor, can obtain the atmospheric pressure of the position where the mobile terminal is located in real time, and the control module can accurately calculate according to the correspondence between the air pressure and the altitude. Out of the altitude of the mobile terminal, according to the horizontal position information acquired by the GPS module, the accurate three-dimensional position information is obtained, which provides a strong guarantee for the safety of the driver.
为使本发明的目的、 技术方案及效果更加清楚、 明确， 以下参照附图并举 实例对本发明进一步详细说明。 应当理解， 此处所描述的具体实施例仅用以解 释本发明， 并不用于限定本发明。 请参阅图 1 , 本发明实施例提供的具备 GPS导航功能的移动终端包括 GPS 模块 110、压力检测模块 120和控制模块 130。 所述 GPS模块 110和压力检测模 块 120分别与所述控制模块 130连接。 In order to make the objects, the technical solutions and the effects of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Referring to FIG. 1 , a mobile terminal with a GPS navigation function provided by an embodiment of the present invention includes a GPS module 110 , a pressure detection module 120 , and a control module 130 . The GPS module 110 and the pressure detecting module 120 are respectively connected to the control module 130.
其中， 所述 GPS模块 110用于获取移动终端的水平位置信息， 压力检测模 块 120用于实时获取移动终端所处位置的大气压力信息， 并将获得的模拟信号 转换为数字信号发送给控制模块 130。所述控制模块 130用于根据所述压力检测 模块 120获得的大气压力信息， 计算出移动终端所处位置的实际海拔高度， 然 后根据 GPS模块 110获得的水平位置信息，组合得出准确的三维立体位置信息。 其中， 所述 GPS模块 110与一天线连接， 从而可以实时获取移动终端所在位置 的信息， 实现精确定位。  The GPS module 110 is configured to acquire the horizontal position information of the mobile terminal, and the pressure detecting module 120 is configured to acquire atmospheric pressure information of the location where the mobile terminal is located in real time, and convert the obtained analog signal into a digital signal and send the signal to the control module 130. . The control module 130 is configured to calculate an actual altitude of the location where the mobile terminal is located according to the atmospheric pressure information obtained by the pressure detecting module 120, and then combine and obtain an accurate three-dimensional image according to the horizontal position information obtained by the GPS module 110. location information. The GPS module 110 is connected to an antenna, so that the information of the location of the mobile terminal can be obtained in real time to achieve accurate positioning.
所述的压力检测模块 120可以设计成一块集成芯片， 以减少该压力检测模 块 120在移动终端主板上所占用的空间位置， 从而减小移动终端的体积。  The pressure detecting module 120 can be designed as an integrated chip to reduce the spatial position occupied by the pressure detecting module 120 on the mobile terminal motherboard, thereby reducing the volume of the mobile terminal.
请一并参阅图 2 , 所述的压力检测模块 120包括压力传感器 121和 ADC单 元 122 ( Analog-to-Digital Converter, 模 /数转换器）， 所述的压力传感器 121为 高精度大气压力传感器， 其通过 ADC单元与控制模块连接。 压力传感器 121用 于根据其测试的大气压力， 计算出来的海拔高度误差可以精确到 1 米范围内， 从而当用户在立交桥上行驶时， 该压力传感器 121 可以精确地判断用户所处的 位置是在桥上还是桥下。  Referring to FIG. 2 together, the pressure detecting module 120 includes a pressure sensor 121 and an ADC unit 122 (Analog-to-Digital Converter), and the pressure sensor 121 is a high-precision atmospheric pressure sensor. It is connected to the control module via an ADC unit. The pressure sensor 121 is used to calculate the altitude error according to the atmospheric pressure it tests, and can be accurate to within 1 meter, so that when the user is driving on the overpass, the pressure sensor 121 can accurately determine that the user is in the position. The bridge is still under the bridge.
当该压力传感器 121 感应到当前移动终端所处位置的大气压力时， 通过 ADC单元 122转换为数字信号， 再通过集成芯片的 I2C接口或者 SPI接口传输 给控制模块 130,控制模块 130再根据气压与海拔高度的对应关系计算出移动终 端所在位置的海拔高度。  When the pressure sensor 121 senses the atmospheric pressure of the current mobile terminal, it is converted into a digital signal by the ADC unit 122, and then transmitted to the control module 130 through the I2C interface or the SPI interface of the integrated chip, and the control module 130 according to the air pressure and The altitude relationship corresponds to the altitude at which the mobile terminal is located.
本实施例中， 所述的移动终端为车载 GPS终端， 该车载 GPS终端可在立交 桥和高架路上为司机指引正确的行驶路线。  In this embodiment, the mobile terminal is an in-vehicle GPS terminal, and the in-vehicle GPS terminal can guide the driver to the correct driving route on the overpass and the elevated road.
进一步的， 所述的移动终端为手机， 目前手机是人们生活中不可缺少的通 信工具， 当手机具备精确的导航功能后， 人们外出时就无需同时携带一个 GPS 接收机， 给人们的户外活动带来了方便。 Further, the mobile terminal is a mobile phone. Currently, the mobile phone is an indispensable communication tool in people's lives. When the mobile phone has accurate navigation function, people do not need to carry a GPS at the same time when going out. The receiver brings convenience to people's outdoor activities.
综上所述， 本发明提供的一种具备 GPS导航功能的移动终端， 由于釆用了 用于检测大气压力的压力检测模块， 实时获得移动终端所处位置的大气压力， 使控制模块根据该大气压力与海拔高度的对应关系计算出移动终端所处位置的 海拔高度， 同时根据 GPS模块获取的水平位置信息， 得出移动终端所处的三维 立体信息。  In summary, the mobile terminal with GPS navigation function provided by the present invention uses the pressure detecting module for detecting atmospheric pressure to obtain the atmospheric pressure at the position of the mobile terminal in real time, so that the control module according to the atmosphere The corresponding relationship between the pressure and the altitude calculates the altitude at which the mobile terminal is located, and according to the horizontal position information acquired by the GPS module, the three-dimensional information of the mobile terminal is obtained.
本发明移动终端的分辨率的误差可以精确到 1 米范围内， 可以胜任立交桥 和高架路的导航， 从而可以指引司机在立交桥和高架路上正确行驶， 为司机的 安全提供了有力保障。 另外， 本发明的移动终端还可以为登山者提供准确的高 度， 给人们的户外活动带了更多的方便和乐趣。  The error of the resolution of the mobile terminal of the invention can be accurate to within 1 meter, and can be used for navigation of overpasses and elevated roads, thereby guiding the driver to correctly drive on the overpass and the elevated road, and providing a strong guarantee for the safety of the driver. In addition, the mobile terminal of the present invention can also provide accurate height for the climber, and bring more convenience and fun to people's outdoor activities.
本发明还提供一种具备 GPS导航功能的移动终端形成三维立体位置信息的 方法。  The present invention also provides a method for forming three-dimensional stereo position information by a mobile terminal having a GPS navigation function.
参阅图 3 ,图 3为本发明实施例提供的移动终端形成三维立体位置信息的方 法的流程图。 包括如下步骤：  Referring to FIG. 3, FIG. 3 is a flowchart of a method for forming three-dimensional stereo position information by a mobile terminal according to an embodiment of the present invention. Including the following steps:
步骤 S1 , 获取移动终端所处位置的大气压力信息。  Step S1: Obtain atmospheric pressure information of a location where the mobile terminal is located.
例如， 实时地获取该移动终端所处位置的大气压力信息。 另外， 该移动终 端包括手机和车载 GPS终端。  For example, the atmospheric pressure information of the location where the mobile terminal is located is acquired in real time. In addition, the mobile terminal includes a mobile phone and an in-vehicle GPS terminal.
步骤 S2, 根据大气压力信息计算海拔高度。  Step S2, calculating the altitude according to the atmospheric pressure information.
例如， 根据大气压力与海拔的对应关系， 计算该移动终端所处的海拔高度。 步骤 S3 , 获取移动终端的水平位置信息。  For example, based on the correspondence between atmospheric pressure and altitude, the altitude at which the mobile terminal is located is calculated. Step S3: Obtain horizontal location information of the mobile terminal.
例如，利用内置于该移动终端的 GPS获取该移动终端所处的水平位置信息。 步骤 S4, 根据海拔高度和水平位置信息形成三维立体位置信息。  For example, the horizontal position information of the mobile terminal is acquired by using the GPS built in the mobile terminal. Step S4, forming three-dimensional position information according to the altitude and the horizontal position information.
例如  E.g
在本发明实施例中， 通过实施获取移动终端所处位置的大气压力信息计算 对应海拔高度， 并将该海拔高度与移动终端所处位置的水平位置信息组合， 最 终形成三维立体位置信息， 能够实时地获取该移动终端所在位置信息， 实现精 确定位。 In the embodiment of the present invention, the corresponding altitude is calculated by implementing the atmospheric pressure information of the location where the mobile terminal is located, and the altitude is combined with the horizontal position information of the location where the mobile terminal is located, thereby forming a three-dimensional position information, which can be real-time. Get the location information of the mobile terminal to achieve fine Determine the bit.
可以理解的是， 对本领域普通技术人员来说， 可以根据本发明的技术方案 及其发明构思加以等同替换或改变， 而所有这些改变或替换都应属于本发明所 附的权利要求的保护范围。  It is to be understood that those skilled in the art can make equivalent substitutions or changes to the inventions and the inventions of the inventions, and all such changes or substitutions fall within the scope of the appended claims.

Claims

权 利 要求 Rights request
1、 一种具备 GPS导航功能的移动终端， 其包括用于获取移动终端的水平位 置信息的 GPS模块， 其特征在于， A mobile terminal having a GPS navigation function, comprising: a GPS module for acquiring horizontal position information of a mobile terminal, wherein
还包括用于实时获取移动终端的大气压力信息的压力检测模块和用于根据 所述水平位置信息和大气压力信息， 得出移动终端的三维立体位置信息的控制 模块； 所述压力检测模块和 GPS模块分别与控制模块连接；  A pressure detecting module for acquiring atmospheric pressure information of the mobile terminal in real time and a control module for obtaining three-dimensional position information of the mobile terminal based on the horizontal position information and atmospheric pressure information; the pressure detecting module and the GPS The modules are respectively connected to the control module;
所述压力检测模块包括压力传感器和 ADC单元，所述压力传感器通过 ADC 单元与控制模块连接；  The pressure detecting module includes a pressure sensor and an ADC unit, and the pressure sensor is connected to the control module through the ADC unit;
所述移动终端还包括天线， 所述天线与所述 GPS模块连接。  The mobile terminal further includes an antenna, and the antenna is connected to the GPS module.
2、根据权利要求 1所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述压力传感器是高精度大气压力传感器。  The mobile terminal with GPS navigation function according to claim 1, wherein the pressure sensor is a high-precision atmospheric pressure sensor.
3、根据权利要求 1所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述压力检测模块是集成芯片。  The mobile terminal with GPS navigation function according to claim 1, wherein the pressure detecting module is an integrated chip.
4、根据权利要求 1所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述移动终端为车载 GPS终端。  The mobile terminal with GPS navigation function according to claim 1, wherein the mobile terminal is an in-vehicle GPS terminal.
5、根据权利要求 1所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述移动终端为手机。  The mobile terminal with GPS navigation function according to claim 1, wherein the mobile terminal is a mobile phone.
6、 一种具备 GPS导航功能的移动终端， 其包括用于获取移动终端的水平位 置信息的 GPS模块， 其特征在于， 还包括用于实时获取移动终端的大气压力信 息的压力检测模块和用于根据所述水平位置信息和大气压力信息， 得出移动终 端的三维立体位置信息的控制模块； 所述压力检测模块和 GPS模块分别与控制 模块连接。  6. A mobile terminal having a GPS navigation function, comprising: a GPS module for acquiring horizontal position information of the mobile terminal, further comprising: a pressure detecting module for acquiring atmospheric pressure information of the mobile terminal in real time; and And obtaining, according to the horizontal position information and the atmospheric pressure information, a control module for obtaining three-dimensional position information of the mobile terminal; and the pressure detecting module and the GPS module are respectively connected to the control module.
7、根据权利要求 6所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述压力检测模块包括压力传感器和 ADC单元， 所述压力传感器通过 ADC单元 与控制模块连接。  The mobile terminal with GPS navigation function according to claim 6, wherein the pressure detecting module comprises a pressure sensor and an ADC unit, and the pressure sensor is connected to the control module through the ADC unit.
8、根据权利要求 6所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述移动终端还包括天线， 所述天线与所述 GPS模块连接。  The mobile terminal with GPS navigation function according to claim 6, wherein the mobile terminal further comprises an antenna, and the antenna is connected to the GPS module.
9、根据权利要求 7所述的具备 GPS导航功能的移动终端， 其特征在于， 所 述压力传感器是高精度大气压力传感器。 The mobile terminal with GPS navigation function according to claim 7, wherein the pressure sensor is a high-precision atmospheric pressure sensor.
10、 根据权利要求 6所述的具备 GPS导航功能的移动终端， 其特征在于， 所述压力检测模块是集成芯片。 10. The mobile terminal with GPS navigation function according to claim 6, wherein the pressure detecting module is an integrated chip.
11、 根据权利要求 6所述的具备 GPS导航功能的移动终端， 其特征在于， 所述移动终端为车载 GPS终端。  The mobile terminal with GPS navigation function according to claim 6, wherein the mobile terminal is an in-vehicle GPS terminal.
12、 根据权利要求 6所述的具备 GPS导航功能的移动终端， 其特征在于， 所述移动终端为手机。  12. The mobile terminal with GPS navigation function according to claim 6, wherein the mobile terminal is a mobile phone.
13、 一种移动终端形成三维立体位置信息的方法， 其特征在于， 包括如下 步骤：  A method for forming a three-dimensional stereo position information by a mobile terminal, comprising the steps of:
获取移动终端所处位置的大气压力信息；  Obtaining atmospheric pressure information of the location where the mobile terminal is located;
根据所述大气压力信息计算海拔高度；  Calculating an altitude according to the atmospheric pressure information;
获取所述移动终端的水平位置信息；  Obtaining horizontal location information of the mobile terminal;
根据所述海拔高度和所述水平位置信息形成三维立体位置信息。  The three-dimensional position information is formed according to the altitude and the horizontal position information.
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