CN203666497U - Automatic follow-up steering device of automobile headlamp - Google Patents
Automatic follow-up steering device of automobile headlamp Download PDFInfo
- Publication number
- CN203666497U CN203666497U CN201320831364.5U CN201320831364U CN203666497U CN 203666497 U CN203666497 U CN 203666497U CN 201320831364 U CN201320831364 U CN 201320831364U CN 203666497 U CN203666497 U CN 203666497U
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- linear motor
- linear
- lamp body
- motor rotor
- rotating shaft
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Abstract
The utility model discloses an automatic follow-up steering device of an automobile headlamp. The automatic follow-up steering device comprises a lamp body, a support ring, a linear motor, a limit switch, a microcontroller, a position sensor, a two-section slide bar and a base. The linear motor comprises a linear motor stator and a linear motor rotor, and the linear motor stator is mounted on the base. A second rotating shaft is arranged on the normal vertical line of the linear motor, the lamp body is mounted on the support ring, and the support ring is connected with the second rotating shaft. One two-section slide bar is arranged on the tail portion of the lamp body, the linear motor rotor is connected with the two-section slide bar through a first rotating shaft, and the microcontroller is connected to the linear motor and the position sensor through wires. The automatic follow-up steering device can meet the requirements for timely steering and accurate steering angles of the headlamp and meet the steering intention of drivers, the structure is simple, and reliability is high. The steering rapidity and accuracy of the lamp body are guaranteed, follow-up steering of the automobile headlamp is achieved, and blind areas in traveling automobile turning at night or under bad light are reduced.
Description
Technical field
The utility model relates to a kind of car beam reversing arrangement, particularly a kind of automobile front automatic traveling steering hardware.
Background technology
No matter how Der Scheinwerfer mit FernlichtAbblendlichtStandlicht brightness has certain illumination zone conventionally, in the time that night running is turned, can be because there is certain " blind area " in the problem of the angle of travelling.In the situation that illuminating ray is fixing, this blind area is that inevitably this can affect traffic safety to a certain extent.Light automatic traveling steering hardware can regulate the deflection of headlight automatically according to road speed, steering angle etc., to illuminate in advance the region of " not arriving ", provides omnibearing safety lighting, guarantees the safety of turning traffic at night.
Follower steering device in patent " automobile automatic traveling turns to head light device " and existing automobile that application number is 201220083167.5 patent " asynchronous control follow-up steering headlight system ", application number is 201220399526.8 is mainly made up of light fixture, support, controller, servomotor and Positioning Gear, complex structure, manufacturing cost is high and easily break down.Complete because lamp body turns to by driven by servomotor gear in addition, have problems such as turning to hysteresis, steering sensitivity are poor, steering angle deviation, can not reflect driver's true intention.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide one can meet that head light turns in time, steering angle requirement accurately, meet driver's the intention that turns to, and automobile front automatic traveling steering hardware simple in structure, reliability is high.
In order to achieve the above object, the utility model is by the following technical solutions: a kind of automobile front automatic traveling steering hardware, comprise lamp body, support ring, linear electric motors, limit switch, microcontroller, position transduser, binodal slide bar and pedestal, described linear electric motors comprise linear motor stator electric and linear motor rotor, described linear motor stator electric is arranged on pedestal, the normal direction vertical line of described linear electric motors is provided with the second rotating shaft, described lamp body is arranged on support ring, described support ring is connected with the second rotating shaft, described lamp body afterbody is provided with a binodal slide bar, described linear motor rotor is connected with binodal slide bar by the first rotating shaft, described microcontroller is connected on linear electric motors and position transduser by wire.
Described position transduser is arranged on linear electric motors, described position transduser is for feeding back the position signal of linear motor rotor on linear motor stator electric, described position transduser is absolute type encoder, described position transduser comprises linear grating or magnetic grid, and described linear grating or magnetic grid are arranged on respectively on linear motor rotor and linear motor stator electric.
If linear motor rotor to the displacement L of linear motor stator electric center one side be on the occasion of, opposite side is negative value, and described lamp body rotational angle θ, the second rotating shaft meet trigonometric function θ=arctgL/D to the distance B at linear motor stator electric center and the displacement L at linear motor rotor relative stator center.
Described lamp body rotation direction is contrary with linear motor rotor sense of motion.
Described linear electric motors are three-phase permanent type linear electric motors or line inductance electromotor, are respectively equipped with magnet steel or three phase windings on described linear motor rotor and linear motor stator electric.
One end of described binodal slide bar is fixed on lamp body afterbody, and the other end of described binodal slide bar is connected with the first rotating shaft is vertical.
Adopt after technique scheme, the utlity model has following beneficial effect: this device can meet that head light turns in time, steering angle requirement accurately, meets driver's the intention that turns to, and simple in structure, reliability is high.Rapidity and accuracy that lamp body turns to are ensured.Der Scheinwerfer mit FernlichtAbblendlichtStandlicht follow-up steering, the blind area while reducing the not good weather driving of night, light turning.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of automobile front automatic traveling of the utility model steering hardware.
Fig. 2 is the lateral plan of a kind of automobile front automatic traveling of the utility model steering hardware.
Fig. 3 is that a kind of automobile front automatic traveling of the utility model steering hardware drives control structure schematic diagram.
In figure: 1, lamp body 2, support ring 3, binodal slide bar 4, linear electric motors 4-1, linear motor stator electric 4-2, linear motor rotor 5, the first rotating shaft 6, microcontroller 7, position transduser 8, limit switch 9, pedestal 10, the second rotating shaft.
Detailed description of the invention
According to specification drawings and specific embodiments, the utility model is further explained below.
As depicted in figs. 1 and 2, a kind of automobile front automatic traveling steering hardware, comprise lamp body 1, support ring 2, linear electric motors 4, limit switch 8, microcontroller 6, position transduser 7, binodal slide bar 3 and pedestal 9, described linear electric motors 4 comprise linear motor stator electric 4-1 and linear motor rotor 4-2, described linear motor stator electric 4-1 is arranged on pedestal 9, guarantees that the second rotating shaft 10 being connected with support ring 2 is positioned on the normal direction vertical line of linear motor stator electric 4-1.
The normal direction vertical line of described linear electric motors 4 is provided with the second rotating shaft 10, guarantees that lamp body 1 can freely rotate around the second rotating shaft 10 on horizontal surface.Described lamp body 1 is arranged on support ring 2, described support ring 2 is connected with the second rotating shaft 10, described lamp body 1 afterbody is provided with a binodal slide bar 3, described linear motor rotor 4-2 is connected with binodal slide bar 3 by the first rotating shaft 5, guarantees that binodal slide bar 3 can freely rotate at horizontal surface around the first rotating shaft 5.
Described microcontroller 6 is connected on linear electric motors 4 and position transduser 7 by wire.
Described position transduser 7 is arranged on linear electric motors 4, described position transduser 7 is for feeding back the position signal of linear motor rotor 4-2 on linear motor stator electric 4-1, described position transduser 7 is absolute type encoder, described position transduser 7 comprises linear grating or magnetic grid, and described linear grating or magnetic grid are arranged on respectively on linear motor rotor 4-2 and linear motor stator electric 4-1.
If linear motor rotor 4-2 to the displacement L of linear motor stator electric 4-1 center one side be on the occasion of, opposite side is negative value, and described lamp body 1 rotational angle θ, the second rotating shaft 10 meet trigonometric function θ=arctgL/D to the distance B at linear motor stator electric 4-1 center and the displacement L at linear motor rotor 4-2 relative stator center.
Described lamp body 1 rotation direction is contrary with linear motor rotor 4-2 sense of motion.
Described linear electric motors 4 are three-phase permanent type linear electric motors or line inductance electromotor, are respectively equipped with magnet steel or three phase windings on described linear motor rotor 4-2 and linear motor stator electric 4-1.
One end of described binodal slide bar 3 is fixed on lamp body 1 afterbody, and the other end of described binodal slide bar 3 is with first rotating shaft 5 is vertical is connected.Linear motor stator electric 4-1 two ends are provided with limit switch 8, prevent that linear motor rotor 4-2 from skidding off linear motor stator electric 4-1.
As shown in Figure 3, described linear electric motors 4 adopt vector control strategy, and interior ring is electric current loop, and adapter ring is speed ring, and outer shroud is position ring.Rapidity and accuracy that lamp body 1 turns to are ensured.
When use, microcontroller 6 is accepted the turn sign of bearing circle, in the time that turning indicator starts, microcontroller 6 thinks that wheel steering signal is effective, controls linear motor rotor 4-2 motion, by driving binodal slide bar 3 to slide, automobile headlamp body 1 is rotated with car rotation direction; In the time that turning indicator is closed, microcontroller 6 does not respond bearing circle turn sign, only controls linear electric motors 4 and makes front lamp body 1 be returned to original zero-bit (control linear motor rotor 4-2 and be returned to linear motor stator electric 4-1 center).
Claims (6)
1. an automobile front automatic traveling steering hardware, comprise lamp body, support ring, linear electric motors, limit switch, microcontroller, position transduser, binodal slide bar and pedestal, described linear electric motors comprise linear motor stator electric and linear motor rotor, it is characterized in that described linear motor stator electric is arranged on pedestal, the normal direction vertical line of described linear electric motors is provided with the second rotating shaft, described lamp body is arranged on support ring, described support ring is connected with the second rotating shaft, described lamp body afterbody is provided with a binodal slide bar, described linear motor rotor is connected with binodal slide bar by the first rotating shaft, described microcontroller is connected on linear electric motors and position transduser by wire.
2. a kind of automobile front automatic traveling steering hardware according to claim 1, it is characterized in that described position transduser is arranged on linear electric motors, described position transduser is for feeding back the position signal of linear motor rotor at linear motor stator electric, described position transduser is absolute type encoder, described position transduser comprises linear grating or magnetic grid, and described linear grating or magnetic grid are arranged on respectively on linear motor rotor and linear motor stator electric.
3. a kind of automobile front automatic traveling steering hardware according to claim 1, if linear motor rotor to the displacement L of linear motor stator electric center one side be on the occasion of, opposite side is negative value, it is characterized in that described lamp body rotational angle θ, the second rotating shaft meet trigonometric function θ=arctgL/D to the distance B at linear motor stator electric center and the displacement L at linear motor rotor relative stator center.
4. a kind of automobile front automatic traveling steering hardware according to claim 1, is characterized in that described lamp body rotation direction is contrary with linear motor rotor sense of motion.
5. a kind of automobile front automatic traveling steering hardware according to claim 1, it is characterized in that described linear electric motors are three-phase permanent type linear electric motors or line inductance electromotor, on described linear motor rotor and linear motor stator electric, be respectively equipped with magnet steel or three phase windings.
6. a kind of automobile front automatic traveling steering hardware according to claim 1, is characterized in that one end of described binodal slide bar is fixed on lamp body afterbody, and the other end of described binodal slide bar is connected with the first rotating shaft is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831364.5U CN203666497U (en) | 2013-12-16 | 2013-12-16 | Automatic follow-up steering device of automobile headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831364.5U CN203666497U (en) | 2013-12-16 | 2013-12-16 | Automatic follow-up steering device of automobile headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666497U true CN203666497U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831364.5U Expired - Fee Related CN203666497U (en) | 2013-12-16 | 2013-12-16 | Automatic follow-up steering device of automobile headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666497U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692958A (en) * | 2013-12-16 | 2014-04-02 | 江苏大学 | Automatic follow-up steering device of automobile headlamp |
| CN105365657A (en) * | 2014-08-28 | 2016-03-02 | 朱玉静 | Steering linkage device for double-row automobile lamps of automobile |
-
2013
- 2013-12-16 CN CN201320831364.5U patent/CN203666497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692958A (en) * | 2013-12-16 | 2014-04-02 | 江苏大学 | Automatic follow-up steering device of automobile headlamp |
| CN105365657A (en) * | 2014-08-28 | 2016-03-02 | 朱玉静 | Steering linkage device for double-row automobile lamps of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140625 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |