CN105526933A - Vehicle-mounted inertial navigation system - Google Patents
Vehicle-mounted inertial navigation system Download PDFInfo
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- CN105526933A CN105526933A CN201510858263.0A CN201510858263A CN105526933A CN 105526933 A CN105526933 A CN 105526933A CN 201510858263 A CN201510858263 A CN 201510858263A CN 105526933 A CN105526933 A CN 105526933A
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- vehicle
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- navigation system
- usb interface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
Abstract
The invention relates to the technical field of vehicle-mounted systems and provides a vehicle-mounted inertial navigation system to overcome the technical problem of poor navigation experience of conventional vehicle-mounted navigation systems. The vehicle-mounted inertial navigation system comprises a data acquisition module, a data processing module and a data output module, wherein the data acquisition module comprises a pressure altitude sensor, an acceleration sensor, an image acquisition module and a mileometer; the data processing module comprises a one-chip microcomputer, a signal processing unit, a USB interface, an interruption response module, an I2C bus interface module and a serial port communication interface module; the one-chip microcomputer is connected with the signal processing unit; the signal processing unit is connected with the USB interface; the data output module comprises a communication module and a display module; the pressure altitude sensor is connected with the I2C bus interface module; the acquisition module and the data processing module are connected with the data output module through data lines via the USB interface; the mileometer is connected with the interruption response module; and the communication module and the display module are connected with the serial port communication interface module. Thus, navigation experience of three-dimensional location is provided.
Description
Technical field
The present invention relates to onboard system technical field, particularly relate to a kind of vehicle-mounted inertial navigation system.
Background technology
Along with the quick growth of China's economic, automobile pollution increases with the speed of millions of every year in China, and automobile comes into huge numbers of families.Function in automobile also gets more and more, can independently locate current position, navigation etc. can be provided for user, but, existing guider is not very flexible, especially cannot elevation information be detected on the bridge with certain altitude, cannot proceed the functions such as navigator fix when signal is more weak, therefore navigation experience is poor.
Summary of the invention
The embodiment of the present invention, by providing a kind of vehicle-mounted inertial navigation system, solves the technical matters that in prior art, onboard navigation system navigation experience is poor, and then achieves the technique effect of the navigation experience that can provide three-dimensional position.
In order to solve the problems of the technologies described above, the technical scheme of the embodiment of the present invention is as follows:
A kind of vehicle-mounted inertial navigation system, comprise data acquisition module, data processing module, data outputting module, described data acquisition module comprises pressure-altitude sensor, acceleration transducer, image collection module, odometer, described data processing module comprises single-chip microcomputer, signal processing unit, USB interface, interrupt response module, I2C bus interface module, serial communication interface module, described single-chip microcomputer connection signal processing unit, described signal processing unit connects USB interface, described data outputting module comprises communication module and display module, described pressure-altitude sensor is connected with I2C bus interface module, described acceleration transducer, image collection module is all connected with data processing module through USB interface by data line, described odometer disconnecting respond module, described communication module is all connected with serial communication modular with display module.
Further, described acceleration transducer is specially three-axis gyroscope.
Further, also comprise voice module, described voice module is by USB interface connection data processing module.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
Owing to adopting in vehicle-mounted annular navigational system, adopt data acquisition module, data processing module and data outputting module, this data acquisition module comprises pressure-altitude sensor, and speed pickup, image collection module, odometer, data processing module comprises single-chip microcomputer, signal processing unit, USB interface, interrupt response module, I2C bus interface module, serial communication interface module, this single-chip microcomputer connection signal processing unit, this signal processing unit connects USB interface, and this data outputting module comprises communication module and display module, and this pressure-altitude sensor is connected with I2C bus interface module, this acceleration transducer, image collection module is all connected with data processing module by data wire diameter USB interface, this odometer disconnecting respond module, this communication module is all connected with serial communication modular with display module, solve onboard navigation system in prior art and experience poor technical matters, and then achieve the technique effect of the navigation experience that three-dimensional position can be provided.
Accompanying drawing explanation
Fig. 1 is the module diagram of vehicle-mounted inertial navigation system in the embodiment of the present invention.
Embodiment
The embodiment of the present invention, by providing a kind of vehicle-mounted inertial navigation system, solves the technical matters that in prior art, onboard navigation system navigation experience is poor, and then achieves the technique effect of the navigation experience that can provide three-dimensional position.
In order to solve the technical matters that in above-mentioned prior art, onboard navigation system navigation experience is poor, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
A kind of vehicle-mounted inertial navigation system that the embodiment of the present invention provides, as shown in Figure 1, comprises data acquisition module 10, data processing module 20, data outputting module 30, this data acquisition module comprises pressure-altitude sensor 101, acceleration transducer 102, image collection module 103, odometer 104, this data processing module 20 comprises single-chip microcomputer 201, signal processing unit 202, USB interface 203, interrupt response module 204, I2C bus interface module 205, serial communication interface module 206, this single-chip microcomputer 201 connection signal processing unit 202, this signal processing unit 202 connects USB interface 203, data outputting module 30 comprises communication module 301 and display module 302, this pressure-altitude sensor 101 is connected with I2C bus interface module 205, this acceleration transducer 102, image collection module 103 is all connected with data processing module 20 through USB interface 203 by data line, and this odometer 104 disconnecting respond module 204, this communication module 301 is all connected with serial communication modular with display module 302.In a particular embodiment, this I2C bus interface module 205 can obtain the atmospheric pressure value information that pressure-altitude sensor gathers, thus obtains the elevation information of Current vehicle.This image collection module 103 can obtain the picture whether car enters tunnel and periphery physical features situation, thus determines currently whether be in the more weak region of signal.Acceleration transducer 102 is specially three-dimensional gyroscope, can monitor vehicle acceleration change in the process of moving, and whether perception vehicle has collision to occur in the process of moving, when there being collision to occur, is sent by warning message by communication module.Odometer 104 is arranged on the wheel place of vehicle, along with in the driving process of vehicle, can produce corresponding periodic pulse signal, be obtained the mileage value of vehicle by the interrupt response module 204 in this data processing module 20.Thus by the value that each sensor above-mentioned obtains, process in this data processing module, then exported by this data outputting module.Wherein output procedure is comprised and being reported to the police by communication module 301, can also be shown by display module 302.
This vehicle-mounted inertial navigation system also comprises voice module, this voice module is by USB interface connection data processing module, if when meeting with a street accident, passenger inside the vehicle is stranded, passenger can also be reported to the police by this voice module, then the voice messaging of this data processing module 20 couples of users processes, and is then sent out by warning message by communication module 301.
By such scheme, this vehicle-mounted inertial navigation system can provide effective navigation experience, is user-friendly to.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (3)
1. a vehicle-mounted inertial navigation system, it is characterized in that, comprise data acquisition module, data processing module, data outputting module, described data acquisition module comprises pressure-altitude sensor, acceleration transducer, image collection module, odometer, described data processing module comprises single-chip microcomputer, signal processing unit, USB interface, interrupt response module, I2C bus interface module, serial communication interface module, described single-chip microcomputer connection signal processing unit, described signal processing unit connects USB interface, described data outputting module comprises communication module and display module, described pressure-altitude sensor is connected with I2C bus interface module, described acceleration transducer, image collection module is all connected with data processing module through USB interface by data line, described odometer disconnecting respond module, described communication module is all connected with serial communication modular with display module.
2. vehicle-mounted inertial navigation system according to claim 1, is characterized in that, described acceleration transducer is specially three-axis gyroscope.
3. vehicle-mounted inertial navigation system according to claim 1, is characterized in that, also comprises voice module, and described voice module is by USB interface connection data processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858263.0A CN105526933A (en) | 2015-11-30 | 2015-11-30 | Vehicle-mounted inertial navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858263.0A CN105526933A (en) | 2015-11-30 | 2015-11-30 | Vehicle-mounted inertial navigation system |
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| CN105526933A true CN105526933A (en) | 2016-04-27 |
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| CN201510858263.0A Pending CN105526933A (en) | 2015-11-30 | 2015-11-30 | Vehicle-mounted inertial navigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108399789A (en) * | 2018-03-28 | 2018-08-14 | 成都天合世纪科技有限责任公司 | A kind of intelligent parking management system and method |
| CN113375667A (en) * | 2021-07-15 | 2021-09-10 | 北京百度网讯科技有限公司 | Navigation method, device, equipment and storage medium |
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| CN102303608A (en) * | 2011-06-16 | 2012-01-04 | 大连理工大学 | Embedded, mobile and intelligent interconnection drive assisting system |
| WO2012121819A1 (en) * | 2011-03-04 | 2012-09-13 | Mine Safety Appliances Company | Inertial navigation system and initialization/correction method therefor |
| CN203083574U (en) * | 2013-02-03 | 2013-07-24 | 鲁小民 | Multifunctional inertial car navigator |
| CN104296744A (en) * | 2014-09-25 | 2015-01-21 | 中国科学院嘉兴微电子与系统工程中心 | Vehicle-mounted inertial navigation system |
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2015
- 2015-11-30 CN CN201510858263.0A patent/CN105526933A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012121819A1 (en) * | 2011-03-04 | 2012-09-13 | Mine Safety Appliances Company | Inertial navigation system and initialization/correction method therefor |
| CN102303608A (en) * | 2011-06-16 | 2012-01-04 | 大连理工大学 | Embedded, mobile and intelligent interconnection drive assisting system |
| CN203083574U (en) * | 2013-02-03 | 2013-07-24 | 鲁小民 | Multifunctional inertial car navigator |
| CN104296744A (en) * | 2014-09-25 | 2015-01-21 | 中国科学院嘉兴微电子与系统工程中心 | Vehicle-mounted inertial navigation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108399789A (en) * | 2018-03-28 | 2018-08-14 | 成都天合世纪科技有限责任公司 | A kind of intelligent parking management system and method |
| CN113375667A (en) * | 2021-07-15 | 2021-09-10 | 北京百度网讯科技有限公司 | Navigation method, device, equipment and storage medium |
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Application publication date: 20160427 |