CN103692956B - The straight drive system of a kind of automobile front automated steering - Google Patents
The straight drive system of a kind of automobile front automated steering Download PDFInfo
- Publication number
- CN103692956B CN103692956B CN201310689872.9A CN201310689872A CN103692956B CN 103692956 B CN103692956 B CN 103692956B CN 201310689872 A CN201310689872 A CN 201310689872A CN 103692956 B CN103692956 B CN 103692956B
- Authority
- CN
- China
- Prior art keywords
- electric motor
- arc electric
- linear actuator
- lamp body
- drive 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.)
- Expired - Fee Related
Links
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses the straight drive system of a kind of automobile front automated steering, comprise lamp body, support, slide bar, linear actuator, arc electric motor, position transduser, microcontroller and universal-joint, it is characterized in that described universal-joint is positioned at the center of circle of arc electric motor, described microcontroller is connected with position transduser with arc electric motor, linear actuator by wire.Lamp body of the present invention achieves the angular adjustment of horizontal and vertical two-freedom, ensure that the particularity of rapidity that lamp body turns to, corner, guarantees to illuminate " blind area ".
Description
Technical field
The present invention relates to the control apparatus of automobile front illumination direction, angle and width, particularly a kind of automobile front automated steering drive system.
Background technology
Conventional truck head light direction is fixed, large lamp wiring because of and vehicle heading be consistent, in the bad visibility situation that night or climate reasons cause, unavoidably occur during turning throw light on " blind area "; The another axle load when various changes such as load-carrying, acceleration, deceleration, upward slope, descendings causes headlight change of pitch angle, cannot the road surface of effective lighting vehicle heading.In these cases, if road exists obstacle, traffic accident may be caused.
Automobile front automated steering technology (AFS) mainly improves the bad visibility problem that night and climatic factor cause.Head light intelligent steering system can regulate horizontal steering angle and the vertical elevation of head light automatically according to factors such as the changes of road speed, vehicle body steering angle, acceleration and deceleration, between centers load, to illuminate the region of " arrival " in time, omnibearing safety lighting is provided, guarantees the safety of night travel.
Application number be 201220083167.5 patent " asynchronous controlling follow-up steering headlight system ", application number be 201220399526.8 patent " automobile automatic follow-up steering head light device " and existing automobile in head light intelligent steering system primarily of light fixture, support, controller, servomotor or stepping motor and Positioning Gear composition.Its principle is by using an electric machine control rotating shaft to forward the adjustment reaching the lamp body elevation angle in the vertical direction up and down to, uses an electric machine control gear that lamp body horizontal direction is rotated.This system architecture is complicated, and manufacturing cost is high and easily break down.Completed by motor-driven gear because lamp body turns in addition, exist turn to delayed, steering sensitivity is poor, steering angle deviation, the problem such as to creep, and can not reflect the true intention of driver.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of without the need to gear transmission, structure is simple, reliability is high, with low cost, and can meet head light horizontal and vertical degree of freedom turn to that clever lightness is high, steering angle requirement accurately, meet the automobile front automated steering drive system turning to intention of driver.
In order to achieve the above object, the present invention is by the following technical solutions: the straight drive system of a kind of automobile front automated steering, comprise lamp body, support, slide bar, linear actuator, arc electric motor, position transduser, microcontroller and universal-joint, it is characterized in that described universal-joint is positioned at the center of circle of arc electric motor, described microcontroller is connected with position transduser with arc electric motor, linear actuator by wire.
Described support is arranged on the arc electric motor center of circle by universal-joint, described arc electric motor comprises arc electric motor stator and arc electric motor mover, a linear actuator is installed in described arc electric motor mover center, the plane orthogonal at described linear actuator and arc electric motor place, described linear actuator is connected with slide bar is universal, and described slide bar is arranged on lamp body afterbody.
Described position transduser is absolute type encoder, and described position transduser comprises grating or magnetic grid, described arc electric motor is provided with grating or magnetic grid, described linear actuator is provided with grating or magnetic grid.
It is being circumferentially consistent that described lamp body horizontally rotates direction with arc electric motor mover sense of motion, and described lamp body sense of motion is in vertical direction contrary with linear actuator direction of action.
Described arc electric motor and linear actuator are three-phase permanent type or asynchronous induction type or magnetic resistance type.
Described microcontroller adopts vector control strategy to control arc electric motor according to the effective turn sign of bearing circle and height sensor signal and linear actuator runs, described arc electric motor drives lamp body in horizontal surface left-right rotation, and described linear actuator drives lamp body lower rotation on the vertical plane.
Adopt after technique scheme, the present invention has following beneficial effect: lamp body of the present invention achieves the angular adjustment of horizontal and vertical two-freedom, ensure that the particularity of rapidity that lamp body turns to, corner, guarantees to illuminate " blind area ".
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of the straight drive system of a kind of automobile front of the present invention automated steering.
Fig. 2 is the lateral plan of the straight drive system of a kind of automobile front of the present invention automated steering.
Fig. 3 is the motor mechanism schematic diagram used in the straight drive system of a kind of automobile front of the present invention automated steering.
Fig. 4 is the arc electric motor drived control structural representation that the straight drive system of a kind of automobile front of the present invention automated steering uses.
Fig. 5 is the linear actuator drived control structural representation that the straight drive system of a kind of automobile front of the present invention automated steering uses.
In figure: 1, lamp body 2, support 3, slide bar 4, linear actuator 5, arc electric motor 5-1 arc electric motor stator 5-2 arc electric motor mover 6, position transduser 7, microcontroller 8, universal-joint.
Detailed description of the invention
According to Figure of description and specific embodiment, the present invention is further explained below.
As shown in Figure 1 and Figure 2, the straight drive system of a kind of automobile front automated steering, comprise lamp body 1, support 2, slide bar 3, linear actuator 4, arc electric motor 5, position transduser 6, microcontroller 7 and universal-joint 8, it is characterized in that described universal-joint 8 is positioned at the center of circle of arc electric motor 5, described microcontroller 7 is connected with position transduser 6 with arc electric motor 5, linear actuator 4 by wire.Installation site sensor 6 on arc electric motor 5 and linear actuator 4.
Described support 2 is arranged on arc electric motor 5 center of circle by universal-joint 8, as shown in Figure 3, described arc electric motor 5 comprises arc electric motor stator 5-1 and arc electric motor mover 5-2, a linear actuator 4 is installed in described arc electric motor mover 5-2 center, described linear actuator 4 and the plane orthogonal at arc electric motor 5 place, described linear actuator 4 is connected with slide bar 3 is universal, and described slide bar 3 is arranged on lamp body 1 afterbody.
Described position transduser 6 is absolute type encoders, and described position transduser 6 comprises grating or magnetic grid, and described arc electric motor 5 is provided with grating or magnetic grid, and described linear actuator 4 is provided with grating or magnetic grid.
It is being circumferentially consistent that described lamp body 1 horizontally rotates direction with arc electric motor mover 5-2 sense of motion, and described lamp body 1 sense of motion is in vertical direction contrary with linear actuator 4 direction of action.
Described arc electric motor 5 and linear actuator 4 are three-phase permanent type or asynchronous induction type or magnetic resistance type.
Described microcontroller 7 adopts vector control strategy to control arc electric motor 5 according to the effective turn sign of bearing circle and height sensor signal and linear actuator 4 runs, described arc electric motor 5 drives lamp body 1 to turn to appointment corner at horizontal surface, and described linear actuator 4 drives lamp body 1 to turn at vertical surface and specifies the elevation angle.
Control policy is as shown in Figure 4 and Figure 5 adopted to control arc electric motor 5, linear actuator 4 respectively.
During use, microcontroller 7 accepts the turn sign of bearing circle, calculates lamp body 1 expect steering angle according to speed meter.When turning indicator starts, microcontroller 7 thinks that wheel steering signal is effective, controls arc electric motor mover 5-2 Direct driver lamp body 1 and turns to expected angle in the horizontal plane; When turning indicator is closed, microcontroller 7 does not respond bearing circle turn sign, only controls arc electric motor 5 and drives lamp body 1 to be returned to original zero-bit.Microcontroller 7 is according to front and back height sensor signal simultaneously, controls linear actuator 4 adjustment lamp body 1 elevation angle on the vertical plane in time, guarantees that lamp body 1 axis is parallel with road surface.
Microcontroller 7 accepts the steering angle signal of bearing circle, calculate lamp body 1 according to speed meter and expect deflection angle, three closed loops (corner ring, speed ring, electric current loop) vector control strategy is used according to this corner instruction, control arc electric motor mover 5-2 and move to assigned address, the corner on adjustment lamp body 1 horizontal surface; Drive linear actuator 4 to move according to the signal of front and back height sensor, the elevation angle on adjustment lamp body 1 vertical surface simultaneously.Finally achieve the angular adjustment of horizontal and vertical two-freedom, ensure that the particularity of rapidity that lamp body 1 turns to, corner, guarantee to illuminate " blind area ".
Claims (6)
1. the straight drive system of automobile front automated steering, comprise lamp body, support, slide bar, linear actuator, arc electric motor, position transduser, microcontroller and universal-joint, it is characterized in that described universal-joint is positioned at the center of circle of arc electric motor, described microcontroller is connected with position transduser with arc electric motor, linear actuator by wire.
2. the straight drive system of a kind of automobile front automated steering according to claim 1, it is characterized in that described support is arranged on the arc electric motor center of circle by universal-joint, described arc electric motor comprises arc electric motor stator and arc electric motor mover, a linear actuator is installed in described arc electric motor mover center, the plane orthogonal at described linear actuator and arc electric motor place, described linear actuator is connected with slide bar is universal, and described slide bar is arranged on lamp body afterbody.
3. the straight drive system of a kind of automobile front automated steering according to claim 1, it is characterized in that described position transduser is absolute type encoder, described position transduser comprises grating or magnetic grid, described arc electric motor is provided with grating or magnetic grid, described linear actuator is provided with grating or magnetic grid.
4. the straight drive system of a kind of automobile front automated steering according to claim 1, it is being circumferentially consistent for it is characterized in that described lamp body horizontally rotates direction with arc electric motor mover sense of motion, and described lamp body sense of motion is in vertical direction contrary with linear actuator direction of action.
5. the straight drive system of a kind of automobile front automated steering according to claim 1, is characterized in that described arc electric motor and linear actuator are three-phase permanent type or asynchronous induction type or magnetic resistance type.
6. the straight drive system of a kind of automobile front automated steering according to claim 1-5 any one, it is characterized in that described microcontroller adopts vector control strategy to control arc electric motor according to the effective turn sign of bearing circle and height sensor signal and linear actuator runs, described arc electric motor drives lamp body in horizontal surface left-right rotation, and described linear actuator drives lamp body lower rotation on the vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689872.9A CN103692956B (en) | 2013-12-16 | 2013-12-16 | The straight drive system of a kind of automobile front automated steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689872.9A CN103692956B (en) | 2013-12-16 | 2013-12-16 | The straight drive system of a kind of automobile front automated steering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692956A CN103692956A (en) | 2014-04-02 |
| CN103692956B true CN103692956B (en) | 2016-01-20 |
Family
ID=50354682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310689872.9A Expired - Fee Related CN103692956B (en) | 2013-12-16 | 2013-12-16 | The straight drive system of a kind of automobile front automated steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103692956B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2782965B1 (en) * | 1998-09-09 | 2000-12-01 | Valeo Vision | MODULAR DEVICE FOR CORRECTING THE ORIENTATION OF A MOTOR VEHICLE PROJECTOR REFLECTOR |
| DE10131099A1 (en) * | 2001-06-27 | 2003-01-09 | Hella Kg Hueck & Co | Headlights for vehicles |
| JP2004050988A (en) * | 2002-07-22 | 2004-02-19 | Nissan Motor Co Ltd | Vehicle headlamp controller |
| CN101590826A (en) * | 2009-04-02 | 2009-12-02 | 姜宝明 | Light-controlled intelligent automotive light illuminating system |
| CN202669610U (en) * | 2012-05-30 | 2013-01-16 | 刘宗建 | Automotive intelligent follow-up headlamp device |
| CN202703393U (en) * | 2012-06-01 | 2013-01-30 | 奇瑞汽车股份有限公司 | Automobile steering light auxiliary system |
| CN203666495U (en) * | 2013-12-16 | 2014-06-25 | 江苏大学 | Intelligent steering direct drive system of automobile headlamp |
-
2013
- 2013-12-16 CN CN201310689872.9A patent/CN103692956B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103692956A (en) | 2014-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103692957B (en) | A kind of automobile front two-freedom turns to the straight drive system of camber line | |
| KR101223285B1 (en) | remote control warning triangle | |
| CN102717746A (en) | Automobile lamp capable of being steered through follow-up control | |
| CN102951065B (en) | Automobile headlamp and method for changing irradiation distance of automobile headlamp | |
| CN104340108A (en) | Method and device for automatically controlling illumination directions of vehicle lamps of heavy-duty vehicle | |
| CN203666496U (en) | Two-degree-of-freedom steering arc direct drive system of automobile headlamp | |
| CN103661085B (en) | A kind of automobile front follow-up steering camber line drive system | |
| CN203131651U (en) | Vehicle lamp with light-shade cut-off line convenient to adjust and automobile provided with same | |
| CN103692960B (en) | A kind of automobile front two-freedom driving and steering system | |
| CN204077499U (en) | A kind of automobile front two-freedom driving and steering system | |
| CN203666495U (en) | Intelligent steering direct drive system of automobile headlamp | |
| CN202448822U (en) | Automobile self-adapting headlamp device based on singlechip | |
| CN201604573U (en) | Follow-up turning lighting device of automobile | |
| CN203666497U (en) | Automatic follow-up steering device of automobile headlamp | |
| CN103692956B (en) | The straight drive system of a kind of automobile front automated steering | |
| CN102275541A (en) | Electromagnetic induction follow-up steering mechanism for automobile | |
| CN105083104A (en) | Automatic-dimming headlamp intelligent control system | |
| CN201109393Y (en) | Synchronous driving steering follow-up headlamp | |
| CN103692958A (en) | Automatic follow-up steering device of automobile headlamp | |
| CN204095642U (en) | A kind of automobile front automatic traveling two-freedom turns to straight drive system | |
| CN203666493U (en) | Follow-up steering direct drive system of automobile headlamp | |
| CN103692959B (en) | A kind of automobile front automatic traveling two-freedom turns to straight drive system | |
| CN103692954B (en) | The straight drive system of a kind of automobile front follow-up steering | |
| CN101544206A (en) | Automobile light capable of steering | |
| CN201941661U (en) | Electromagnetic induction follow-up steering mechanism for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20161216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |