CN104764462A - Automatic projection system for vehicle navigation - Google Patents
Automatic projection system for vehicle navigation Download PDFInfo
- Publication number
- CN104764462A CN104764462A CN201510141138.8A CN201510141138A CN104764462A CN 104764462 A CN104764462 A CN 104764462A CN 201510141138 A CN201510141138 A CN 201510141138A CN 104764462 A CN104764462 A CN 104764462A
- Authority
- CN
- China
- Prior art keywords
- real
- vehicle
- navigation
- time
- projection system
- 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.)
- Pending
Links
Classifications
-
- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/365—Guidance using head up displays or projectors, e.g. virtual vehicles or arrows projected on the windscreen or on the road itself
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The invention discloses an automatic projection system for vehicle navigation. The automatic projection system comprises a speed sensing unit used for detecting the speed of a running vehicle in real time, a GPS navigator which is used for positioning the current position of the vehicle in real time, acquiring the navigation route according to the destination and calculating the distance in real time, a camera shooting unit used for collecting images of road ahead of the running vehicle in real time, a center processing unit which is used for combining the acquired navigation route and the real-time collected images of road ahead to acquire a real-time navigation route based on the current image of road ahead and form a drive signal for outputting, a projection drive unit used for converting the received drive signal into driving power, and a projection system which is used for receiving the driving power and directly projecting the acquired real-time navigation route on the front windshield of the vehicle. According to the system, the navigation route is projected in front of the visual field, so that the navigation system has a projection function, a user can acquire the navigation route in real time conveniently, and the guiding function of navigation is further improved.
Description
Technical field
The present invention relates to a kind of automatic projection system for vehicle mounted guidance, belong to the technical field of vehicle mounted guidance.
Background technology
GPS is English Global Positioning System(GPS) abbreviation, and its Chinese is referred to as " ball position system ".GPS is the of new generation Aerospace Satellite navigation positioning systems of 20 century 70s by land, sea, and air of U.S. joint research and development.Its fundamental purpose is for large field, land, sea, air three provides real-time, round-the-clock and global navigation Service, and for some military purposes such as information acquisition, Nuclear detonation monitoring and emergency communications, through the research experiment in more than 20 years, cost 30,000,000,000 dollars, to in March, 1994, Global coverage rate up to 98% 24 gps satellite constellations oneself laid.
Vehicle mounted guidance then utilizes vehicle GPS (GPS) to coordinate electronic chart to carry out, and it can facilitate and tell that driver goes to the shortest or the fastest path of destination exactly, is the good assistant of driver.Thus in the navigation procedure of vehicle utilization, use navigational system to have better anti-interference and interference performance, higher security and integrality, vehicle travels and navigates easily.
However, existing onboard navigation system in use still existing defects.As Chinese invention patent application name is called out a kind of onboard navigation system, application number: 201110093084.4, in the file of the applying date: 2011-04-14, discloses " a kind of onboard navigation system.Onboard navigation system is possessed information center and is obtained the guider of guidance information by radio communication from this information center.Guider starts the timing in place crossing described communication from garage, information center is sent to the guidance information request instruction including speed information.If information center obtains request instruction from guider, the position guiding notification to start place is then adjusted according to speed information, and the positional information in the guiding notification beginning place after this adjustment and guidance information are sent to guider ", solve the function that existing vehicle mounted guidance regularly cannot report guiding thus, by this system, if receive positional information and the guidance information in place guiding is reported from information center, then at the timing notification guidance information crossing received guiding notification beginning place from garage, improve the guiding function of system to a certain extent.
And be called a kind of onboard navigation system in other one section of Chinese invention patent application name, application number: 201210465148.3, in the file of the applying date: 2012-11-16, disclose " a kind of onboard navigation system; described onboard navigation system comprises main control module, GPS receiver module and RS232 communication module; wherein: described GPS receiver module is bi-directionally connected by RS232 communication module and main control module; realize the Storage and Processing of gps signal, and send main control module to after the gps satellite data processing that GPS receiver module is received; Described main control module is presented at the positional information obtained by described GPS receiver module on one display "; solve the problem of existing onboard navigation system navigation display thus; and this navigating instrument achieves in test good effect, can fast, show navigator information more accurately.
Although onboard navigation system is improved, but it is existing defects still, user is when using vehicle mounted guidance, navigation screen often can only be presented on navigating instrument, and user needs to check front road conditions, while need the navigation way checking that navigating instrument shows, therefore be unfavorable for that user checks while driving, there is limitation in the Presentation Function of navigation, fails real-time being projected in the visual field, dead ahead of driver, thus reduce the security of driving.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, a kind of automatic projection system for vehicle mounted guidance is provided, solve the navigation way display limitation of existing onboard navigation system, navigation way can not be projected in the problem in dead ahead, the visual field.
The present invention specifically solves the problems of the technologies described above by the following technical solutions:
For an automatic projection system for vehicle mounted guidance, comprising: velocity pick-up unit, for detecting the speed in vehicle traveling in real time;
GPS navigator, for the current location of real-time positioned vehicle, and obtains navigation way according to destination and calculates stroke in real time;
Image unit, the front road conditions picture in travelling for Real-time Collection vehicle; Center processing unit, for being combined with the front road conditions picture of Real-time Collection by obtained navigation way, obtaining based on the real-time navigation route under the road conditions picture of current front and forming drive singal output; Projection drive unit, for converting the drive singal of reception to driving force; Optical projection system, for receiving described driving force, and is directly projected on obtained real-time navigation route on vehicle front windshield.
Further, as a preferred technical solution of the present invention: described velocity pick-up unit is made up of linear velocity trans and angular-rate sensor.
Further, as a preferred technical solution of the present invention: also comprise light level unit and adjustment module, described light level unit connects adjustment module, and described adjustment connects projection drive unit.
Further, as a preferred technical solution of the present invention: also comprise voice broadcast module, described voice broadcast module is connected with center processing unit.
Further, as a preferred technical solution of the present invention: described center processing unit adopts arm processor.
The present invention adopts technique scheme, can produce following technique effect:
(1), the present invention is used for the automatic projection system of vehicle mounted guidance, by on the basis of onboard navigation system, utilize image unit, Real-time Collection vehicle travels picture, and the route of navigation is formed based on the navigation screen under real-time road in conjunction with vehicle-mounted real time running picture, be projected on vehicle front windshield, user's sight line when driving is made to rest on front all the time, and do not need to take into account navigation screen simultaneously, solve the navigation way display limitation of existing onboard navigation system, navigation way can not be projected in the problem in dead ahead, the visual field, navigational system is made to possess projecting function, be convenient to user's Real-time Obtaining navigation way, the further guiding function improving navigation.
(2), further, system can also adopt light level unit and the brightness of adjustment module to optical projection system to regulate, make projected picture not stop user's sight line, again can live fluoroscopic on glass, make projection systems project effect more meet visual field requirement by brightness regulation thus.
Accompanying drawing explanation
Fig. 1 is the module diagram of the present invention for the automatic projection system of vehicle mounted guidance.
Embodiment
below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises a kind of automatic projection system for vehicle mounted guidance, comprise: velocity pick-up unit, GPS navigator, image unit, center processing unit, projection drive unit, optical projection system, wherein velocity pick-up unit, GPS navigator, image unit connect center processing unit respectively, and described center processing unit connects projection drive unit; Described projection drive unit connects optical projection system; Described velocity pick-up unit, for detecting the speed in vehicle traveling in real time; GPS navigator, for the current location of real-time positioned vehicle, and obtains navigation way according to destination and calculates stroke in real time; Image unit, the front road conditions picture in travelling for Real-time Collection vehicle; Center processing unit, for being combined with the front road conditions picture of Real-time Collection by obtained navigation way, obtaining based on the real-time navigation route under the road conditions picture of current front and forming drive singal output; Projection drive unit, for converting the drive singal of reception to driving force; Optical projection system, for receiving described driving force, and is directly projected on obtained real-time navigation route on vehicle front windshield.Thus, by on the basis of onboard navigation system, utilize image unit, Real-time Collection vehicle travels picture, and is formed based on the navigation screen under real-time road in conjunction with vehicle-mounted real time running picture by the route of navigation, is projected on vehicle front windshield, user's sight line when driving is made to rest on front all the time, and do not need to take into account navigation screen, solve the navigation way display limitation of existing onboard navigation system, improve the guiding function of navigation further. simultaneously
And the velocity pick-up unit of system is made up of linear velocity trans and angular-rate sensor, angular-rate sensor application Coriolis power principle, built-in special ceramic device, simplifies device structure and circuit arrangement greatly, thus possesses superior operating characteristic.Better can be applied to auto navigation, the position control of vehicle and gesture stability.Vehicle speed sensor preferably adopts Hall-type vehicle speed sensor, is mainly used in, on crank angle and camshaft location, being applied in the control circuit of speed.The magnetic circuit comprising permanent magnet and pole parts almost closed completely by one forms, a soft magnet blade rotor is through the air gap between magnet and magnetic pole, window on blade rotor allows that magnetic field is impregnable to be passed and arrive hall effect sensor, does not have the part of window then to interrupt magnetic field.
Light level unit and the brightness of adjustment module to optical projection system can also be adopted to regulate, namely system can also comprise light level unit and adjustment module, described light level unit connects adjustment module, described adjustment connects projection drive unit, the light of light level unit to road conditions can be utilized to detect, and the light signal output valve adjustment module that will detect, adjustment module can pre-set standard value, when light intensity is higher than the output power controlling projection drive unit during standard value, the projection brightness of optical projection system is reduced, or controlling the output power of projection drive unit when light intensity lower than during standard value, the projection brightness of optical projection system is improved, to arrive predetermined brightness.Thus, make projected picture not stop user's sight line, again can live fluoroscopic on glass, make projection systems project effect more meet visual field requirement by brightness regulation thus.
Further, system is while carrying out navigation screen projection, and system can also carry out voice broadcast, and namely system also comprises voice broadcast module, and described voice broadcast module is connected with center processing unit.Velocity pick-up unit inspection to during data or real-time update to navigation way time, carry out voice broadcast route.
For the center processing unit of system, for processing the data imported, preferred employing arm processor, arm processor is 32 designs, also 16 bit instruction collection are equipped with, save than 32 codes of equal value in general and reach 35%, but having superiority of 32 systems can be retained, little power consumption function is strong, 16/32 two instruction set, volume is little, low-power consumption, low cost, high-performance, and addressing mode is simple flexibly, execution efficiency is high, ensureing the area as far as possible reducing chip under high performance prerequisite, and reduce power consumption, can ensure that the overall power of system lowers thus.
To sum up, the present invention is used for the automatic projection system of vehicle mounted guidance, by on the basis of onboard navigation system, utilize image unit, Real-time Collection vehicle travels picture, and the route of navigation is formed based on the navigation screen under real-time road in conjunction with vehicle-mounted real time running picture, be projected on vehicle front windshield, user's sight line when driving is made to rest on front all the time, and do not need to take into account navigation screen simultaneously, solve the navigation way display limitation of existing onboard navigation system, navigation way can not be projected in the problem in dead ahead, the visual field, navigational system is made to possess projecting function, be convenient to user's Real-time Obtaining navigation way, the further guiding function improving navigation.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1., for an automatic projection system for vehicle mounted guidance, it is characterized in that, comprising:
Velocity pick-up unit, for detecting the speed in vehicle traveling in real time;
GPS navigator, for the current location of real-time positioned vehicle, and obtains navigation way according to destination and calculates stroke in real time;
Image unit, the front road conditions picture in travelling for Real-time Collection vehicle;
Center processing unit, for being combined with the front road conditions picture of Real-time Collection by obtained navigation way, obtaining based on the real-time navigation route under the road conditions picture of current front and forming drive singal output;
Projection drive unit, for converting the drive singal of reception to driving force;
Optical projection system, for receiving described driving force, and is directly projected on obtained real-time navigation route on vehicle front windshield.
2. according to claim 1 for the automatic projection system of vehicle mounted guidance, it is characterized in that: described velocity pick-up unit is made up of linear velocity trans and angular transducer.
3. according to claim 1 for the automatic projection system of vehicle mounted guidance, it is characterized in that: also comprise light level unit and adjustment module, described light level unit connects adjustment module, and described adjustment connects projection drive unit.
4. according to claim 1 for the automatic projection system of vehicle mounted guidance, it is characterized in that: also comprise voice broadcast module, described voice broadcast module is connected with center processing unit.
5. according to claim 1 for the automatic projection system of vehicle mounted guidance, it is characterized in that: described center processing unit adopts arm processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510141138.8A CN104764462A (en) | 2015-03-30 | 2015-03-30 | Automatic projection system for vehicle navigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510141138.8A CN104764462A (en) | 2015-03-30 | 2015-03-30 | Automatic projection system for vehicle navigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104764462A true CN104764462A (en) | 2015-07-08 |
Family
ID=53646439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510141138.8A Pending CN104764462A (en) | 2015-03-30 | 2015-03-30 | Automatic projection system for vehicle navigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104764462A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438073A (en) * | 2015-12-31 | 2016-03-30 | 北京汽车研究总院有限公司 | Display control method for automobile body, automobile body controller and automobile |
| CN105487228A (en) * | 2015-11-24 | 2016-04-13 | 小米科技有限责任公司 | Bicycle computer data display method and device |
| CN106500716A (en) * | 2016-12-13 | 2017-03-15 | 英业达科技有限公司 | Automobile navigation optical projection system and its method |
| CN108036796A (en) * | 2017-12-26 | 2018-05-15 | 上海闻泰电子科技有限公司 | Navigation picture display methods, device and vehicle electronic device |
| CN110132301A (en) * | 2019-05-28 | 2019-08-16 | 浙江吉利控股集团有限公司 | One kind leading formula automobile navigation method and system |
| CN110988954A (en) * | 2019-12-23 | 2020-04-10 | 长安大学 | HUD dynamic navigation method for complex turnout |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004157032A (en) * | 2002-11-07 | 2004-06-03 | Nissan Motor Co Ltd | Pathway guiding device |
| JP2006284195A (en) * | 2005-03-31 | 2006-10-19 | Denso Corp | Route guidance system |
| CN101393029A (en) * | 2007-09-17 | 2009-03-25 | 王保合 | Automobile navigation apparatus and navigation system using the same |
| WO2010137135A1 (en) * | 2009-05-27 | 2010-12-02 | パイオニア株式会社 | Navigation device, server, navigation method, and navigation program |
| CN104204724A (en) * | 2012-03-21 | 2014-12-10 | 本田技研工业株式会社 | Navigation system |
-
2015
- 2015-03-30 CN CN201510141138.8A patent/CN104764462A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004157032A (en) * | 2002-11-07 | 2004-06-03 | Nissan Motor Co Ltd | Pathway guiding device |
| JP2006284195A (en) * | 2005-03-31 | 2006-10-19 | Denso Corp | Route guidance system |
| CN101393029A (en) * | 2007-09-17 | 2009-03-25 | 王保合 | Automobile navigation apparatus and navigation system using the same |
| WO2010137135A1 (en) * | 2009-05-27 | 2010-12-02 | パイオニア株式会社 | Navigation device, server, navigation method, and navigation program |
| CN104204724A (en) * | 2012-03-21 | 2014-12-10 | 本田技研工业株式会社 | Navigation system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487228A (en) * | 2015-11-24 | 2016-04-13 | 小米科技有限责任公司 | Bicycle computer data display method and device |
| CN105438073A (en) * | 2015-12-31 | 2016-03-30 | 北京汽车研究总院有限公司 | Display control method for automobile body, automobile body controller and automobile |
| CN106500716A (en) * | 2016-12-13 | 2017-03-15 | 英业达科技有限公司 | Automobile navigation optical projection system and its method |
| CN108036796A (en) * | 2017-12-26 | 2018-05-15 | 上海闻泰电子科技有限公司 | Navigation picture display methods, device and vehicle electronic device |
| CN110132301A (en) * | 2019-05-28 | 2019-08-16 | 浙江吉利控股集团有限公司 | One kind leading formula automobile navigation method and system |
| WO2020239036A1 (en) * | 2019-05-28 | 2020-12-03 | 浙江吉利控股集团有限公司 | Vehicle navigation method and system, and computer readable storage medium |
| CN110132301B (en) * | 2019-05-28 | 2023-08-25 | 浙江吉利控股集团有限公司 | Leading type vehicle navigation method and system |
| CN110988954A (en) * | 2019-12-23 | 2020-04-10 | 长安大学 | HUD dynamic navigation method for complex turnout |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104764462A (en) | Automatic projection system for vehicle navigation | |
| US7928905B2 (en) | Method of using road signs to augment global positioning system (GPS) coordinate data for calculating a current position of a personal navigation device | |
| CN109949594B (en) | Real-time traffic light identification method | |
| US7973819B2 (en) | Method and apparatus for determining the position of a moving object, by using visible light communication | |
| CN102981173B (en) | Self-adapting correction method for mileage calculation | |
| CN109374008A (en) | A kind of image capturing system and method based on three mesh cameras | |
| US20200217972A1 (en) | Vehicle pose estimation and pose error correction | |
| CN201331348Y (en) | Combined GPS vehicle terminal | |
| CN110603463A (en) | Non line of sight (NLoS) satellite detection at a vehicle using a camera | |
| WO2011100535A1 (en) | Augmented reality maps | |
| US20100312471A1 (en) | Global positioning system terminal device and navigation method thereof | |
| KR20060122284A (en) | A mobile telecommunication device having a geographic information providing function and the method thereof | |
| WO2014199452A1 (en) | Information transmission apparatus, weather condition acquisition system, server apparatus, information transmission method, and program | |
| CN109239752A (en) | Vehicle positioning system | |
| WO2021042762A1 (en) | Vehicle-mounted terminal capable of displaying traffic light information of intersection ahead in real time | |
| CN109188486A (en) | A kind of high-accuracy position system | |
| EP3885706B1 (en) | Real-time localization error correction by consumer automated vehicles | |
| CN103033836A (en) | Vehicle navigation pointing device and method | |
| CN110750103B (en) | Unmanned aerial vehicle navigation method and device, street lamp and readable storage medium | |
| CN108469262A (en) | The positioning system and method for rail transit train | |
| CN103185597B (en) | Air navigation aid and guider | |
| KR101017997B1 (en) | Providing system of traffic information | |
| US20110295503A1 (en) | Method of Determining the Own-Vehicle Position of a Motor Vehicle | |
| KR20120084244A (en) | Apparatus and method for recognizing vehicle location | |
| CN112298211A (en) | Automatic pedestrian yielding driving scheme based on 5G grading decision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
|
| RJ01 | Rejection of invention patent application after publication |