CN102897084B - Magnetostrictive effect follow-up steering system - Google Patents
Magnetostrictive effect follow-up steering system Download PDFInfo
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- CN102897084B CN102897084B CN201210424248.1A CN201210424248A CN102897084B CN 102897084 B CN102897084 B CN 102897084B CN 201210424248 A CN201210424248 A CN 201210424248A CN 102897084 B CN102897084 B CN 102897084B
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- rotary shaft
- xenon lamp
- shaft rack
- lenses
- magnetic
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Abstract
The invention relates to a magnetostrictive effect follow-up steering system, which comprises a current control module, electromagnetic modules, an xenon lamp lens group, a spindle, a spindle bracket and magnetostrictive rods, wherein the xenon lamp lens group is connected with the spindle bracket by the spindle and the magnetostrictive rods; the left side and the right side of the spindle bracket are respectively and symmetrically provided with the electromagnetic modules; the two magnetostrictive rods are symmetrically arranged on the left side and the right side of the spindle bracket; the current signal of the current control module is conducted to the electromagnetic modules and is converted into a magnetic effect to enable the magnetostrictive rods to elongate; therefore the spindle drives the spindle bracket to rotate; the spindle bracket and the xenon lamp lens group generate mechanical displacement; and light moves leftwards and rightwards. According to the car lamp follow-up steering system disclosed by the invention, corresponding current is provided according to a steering angle, so that the magnetostrictive rods are used for driving the xenon lamp lens group to rotate for a corresponding angle, the irradiation direction of the car lamp is kept consistent with the car driving direction, and the night traffic safety is guaranteed.
Description
Technical field
The present invention relates to a kind of steering hardware, in particular, the present invention relates to one and utilize magnetostriction effect, realize the Follow-up steering mechanism of automobile front also bending light.
Background technology
Existing car headlight device, mainly comprises: head lamp (passing light, country beam), adverse-weather lamp etc.In the use of reality, traditional head lamp system also exists problems.Housing due to light fixture is fixed on without rotating function on car body, and therefore the direction of illumination of head lamp and auto body are consistent.Vehicle is when turning driving, when particularly turning when trackside is more dangerous, if mountain road or night are without the urban highway of street lamp, because car light cannot regulate light angle, usually curve inner side cannot be irradiated to, especially run into misty rain weather, curve ahead road conditions lighting condition is smudgy especially, has greatly threatened the traffic safety at chaufeur night.
Slave steering system is researched and developed for this situation, according to the angle of the speed of a motor vehicle and rotation, moveable xenon lamp module rotates to an angle to bend, the current driving direction of the direction of illumination of car light and vehicle is consistent, to guarantee that chaufeur can have best visiblity at any time, thus ensure that the traffic safety at night.
Existing Follow-up steering system of car lamp generally includes adaptivity steering headlight system (AFS), for carrying out left and right follow-up adjustment to car light.Such as when night turns, AFS according to the steering angle of the speed of a motor vehicle and steering handwheel, can regulate the angle that car light left-right rotation is certain to regulate the irradiation center of car light, car light auto-steering is entered curved, guarantee the high-visibility in bend automatically.But the slave steering system regulative mode mechanism on existing light fixture is complicated, and part is many, and reliability is poor, and cost is high, not easily promotes.
Summary of the invention
In order to solve the above-mentioned technical matters existed in prior art, the object of the present invention is to provide a kind of magnetostriction effect Follow-up steering mechanism, it utilizes magnetostriction principle that the current driving direction of the direction of illumination of car light and vehicle is consistent, and ensure that the traffic safety at night.
In order to solve the problems of the technologies described above and realize above-mentioned purpose, the present invention takes following technical scheme:
A kind of magnetostriction effect slave steering system, comprise current control module, electromagnetic module, xenon lamp set of lenses, rotating shaft, rotary shaft rack and magnetic deformation bar, xenon lamp set of lenses is connected with rotary shaft rack with magnetic deformation bar by rotating shaft, the left and right sides of described rotary shaft rack arranges electromagnetic module respectively symmetrically, described magnetic deformation bar is two and is arranged on symmetrically on the left and right sides of described rotary shaft rack and extends to the lower end of the support of xenon lamp set of lenses, it is characterized in that: the current signal of described current control module conducts to electromagnetic module and is converted into magnetic effect and causes magnetic deformation bar to extend, thus make rotating shaft drive rotary shaft rack to rotate, rotary shaft rack and xenon lamp set of lenses is made to produce mechanical shift, realize light shift to right or left.
Wherein, time automobile is turned right, the current signal of described current control module conducts the electromagnetic module on the left of to rotary shaft rack, produces magnetic, and the magnetic deformation bar be positioned on the left of rotary shaft rack extends, and make xenon lamp set of lenses to right rotation, light moves to right.
Wherein, time automobile turns left, the current signal of described current control module conducts the electromagnetic module on the right side of to rotary shaft rack, produces magnetic, and the magnetic deformation bar be positioned on the left of rotary shaft rack extends, and make xenon lamp set of lenses to anticlockwise, light moves to left.
Wherein, the material of described magnetic deformation bar is preferably TbDyFe magnetostrictive rod and makes, further preferably for Tb0.15Dy0.72Sm0.08Ga0.05Fe1.3Ti0.3Zn0.2Mn0.2 magnetostrictive rod is made.
Compared with prior art the present invention has the following advantages:
(1) the present invention utilizes magnetostriction principle to provide a kind of structure simple Follow-up steering system of car lamp, it provides corresponding electric current according to angle when turning, thus utilize magnetic deformation bar to drive xenon lamp set of lenses to rotate corresponding angle, compared with traditional spring transmission part, the transmission of magnetic deformation bar is sensitiveer, stable and reliable, further simplify the structure of slave steering system.
(2) further preferably magnetic deformation bar material further increases its sensitieness, and it is under the condition of-30 to 50 DEG C, all have more stable magnetostriction coefficient, its transmission is more stable and reliable compared with traditional spring material, and can not produce endurance failure.
(3) further preferably apply self-lubricating coat in use on rotating shaft surface, the sensitieness of transmission can be improved equally, and its service life can be significantly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetostriction effect slave steering system of the present invention.
The schematic diagram of magnetostriction effect slave steering system when Fig. 2 is right-hand corner.
The schematic diagram of magnetostriction effect slave steering system when Fig. 3 is turnon left.
The schematic diagram of magnetostriction effect slave steering system when Fig. 4 is craspedodrome.
In figure: the implication represented by each Reference numeral is respectively: 1-electromagnetic module, 2-xenon lamp set of lenses, 3-rotary shaft rack, 4-magnetic deformation bar, 5-rotating shaft, 6-current control module.
Detailed description of the invention
As shown in Figure 1, magnetostriction effect slave steering system of the present invention comprises 2 electromagnetic module 1, xenon lamp set of lenses 2, rotary shaft rack 3,2 magnetic deformation bars 4, rotating shaft 5 and current control module 6.Xenon lamp set of lenses 2 is connected with rotary shaft rack 3 with magnetic deformation bar 4 by rotating shaft 5, the left and right sides of described rotary shaft rack 3 arranges electromagnetic module 1 respectively symmetrically, described magnetic deformation bar 4 is two and is arranged on symmetrically on the left and right sides of described rotary shaft rack 3 and extends to the lower end of the support of xenon lamp set of lenses 2, the current signal of current control module 6 conducts to electromagnetic module 1 and is converted into magnetic effect and causes magnetic deformation bar 4 to extend, thus make rotating shaft 5 drive rotary shaft rack 3 to rotate, rotary shaft rack 3 and xenon lamp set of lenses 2 is made to produce mechanical shift, realize light shift to right or left.
As shown in Figure 2, schematic diagram of the present invention when being Automobile Right turning.When vehicle right-hand corner, the current signal of described current control module 1 conducts the electromagnetic module 1 on the left of to rotary shaft rack 3, produces magnetic, the magnetic deformation bar 4 be positioned on the left of rotary shaft rack 3 extends, make xenon lamp set of lenses 2 to right rotation, light moves to right, and realizes right also bending light function.
As shown in Figure 3, schematic diagram of the present invention when being automobile turnon left.The current signal of described current control module 1 conducts the electromagnetic module 1 on the right side of to rotary shaft rack 3, produce magnetic, the magnetic deformation bar 4 be positioned on the left of rotary shaft rack 3 extends, and makes xenon lamp set of lenses 2 to anticlockwise, light moves to left, and realizes left also bending light function.
Known by Fig. 4, schematic diagram of the present invention when being automobile craspedodrome.When vehicle is kept straight on, electromagnetic module 1 no power, does not produce magnetic, and xenon lamp set of lenses 2 keeps relative constant with rotary shaft rack 3 position, and light directly shines.
Described magnetic deformation bar can adopt known TbDyFe material, such as Tb0.27Dy0.73Fe2 ultra-magnetic telescopic bar.But known TbDyFe material is below-10 DEG C, its magnetic magnetic deformation will sharply decline, and thus this material is at the use in winter of the northern area of China severe cold, may cause this slave steering system bad stability, even malfunctioning.Therefore, the present invention also developed the stable Tb0.15Dy0.72Sm0.08Ga0.05Fe1.3Ti0.3Zn0.2Mn0.2 material of a kind of magnetostriction coefficient, and this material magnetostriction coefficient under the stability condition of-30 to 50 DEG C is less than 5%.These magnetostriction materials can prepare by the following method:
According to the a.w. proportioning of said structure, Tb, Dy, Sm and the Ga and the purity that purity are not less than 99.5% are not less than in the raw metal loading melting kettle of Fe, Ti, Zn and Mn of 99.99%.Utilize mechanical pump, lobe pump and diffuser pump vacuumize it and utilize argon gas to clean, continue after cleaning to be evacuated to 10
-2pa-10
-3after Pa, be filled with 0.5atm argon gas wherein as atmosphere gas.Then by heating raw materials also fusing formation molten alloy, be poured into by this molten alloy in the heat-preservation cylinder with elongated cylindrical cavity, the temperature in heat-preservation cylinder is 1200-1250 DEG C, obtains the rare earth ultra-magnetostriction material of directional solidification; Reduce the temperature of heat-preservation cylinder 5 to heat treatment temperature 950 DEG C, and be incubated 2h, finally heat-preservation cylinder is opened and slowly cool to room temperature and obtain Tb0.15Dy0.72Sm0.08Ga0.05Fe1.3Ti0.3Zn0.2Mn0.2 magnetic deformation bar.This magnetic deformation bar has <110> texture, under the stability condition of-30 to 50 DEG C, magnetostriction coefficient is stabilized in 0.5,3-0.55%, rate of change be less than 5% for magnetic deformation bar Transmission time, more stable, reliable and sensitieness is high, good weatherability.
Described rotating shaft surface has self-lubricating coat in use, and to improve the sensitieness of its transmission, described self-lubricating coat in use can adopt conventional alkali earth metal fluoride.Can use compound self-lubricating coat in use from the angle improving frictional behaviour and lubricity in addition, painting method can adopt conventional thermal spraying and magnetron sputtering etc.Preferably, described self-lubricating coat in use is by the Cr of 12-18wt%
3c
2: the BaF of the NiB of 20-25wt%, 15-25wt%
2and the composite powder that the Ni of surplus is formed is formed through thermal spraying.Wear-resisting phase and lubrication being evenly distributed of phase in this self-lubricating coat in use, ensure that lubricity and the friction endurance quality of self-lubricating coat in use.
The present invention utilizes magnetostriction principle to provide a kind of structure simple Follow-up steering system of car lamp, it provides corresponding electric current according to angle when turning, thus utilize magnetic deformation bar to drive xenon lamp set of lenses to rotate corresponding angle, compared with traditional spring transmission part, the transmission of magnetic deformation bar is sensitiveer, stable and reliable, further simplify the structure of slave steering system, there is good market outlook and social benefit.
Except above-mentioned detailed description of the invention, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation form, all drop on the protection domain of application claims.
Claims (2)
1. a magnetostriction effect slave steering system, comprise current control module, electromagnetic module, xenon lamp set of lenses, rotating shaft, rotary shaft rack and magnetic deformation bar, xenon lamp set of lenses is connected with rotary shaft rack with magnetic deformation bar by rotating shaft, the left and right sides of described rotary shaft rack arranges electromagnetic module respectively symmetrically, described magnetic deformation bar is two and is arranged on symmetrically on the left and right sides of described rotary shaft rack and extends to the lower end of the support of xenon lamp set of lenses, it is characterized in that: the current signal of described current control module conducts to electromagnetic module and is converted into magnetic effect and causes magnetic deformation bar to extend, thus make rotating shaft drive rotary shaft rack to rotate, rotary shaft rack and xenon lamp set of lenses is made to produce mechanical shift, realize light shift to right or left, when automobile is turned right time, the current signal of described current control module conducts the electromagnetic module on the left of to rotary shaft rack, produces magnetic, and the magnetic deformation bar be positioned on the left of rotary shaft rack extends, and make xenon lamp set of lenses to right rotation, light moves to right, when automobile turns left time, the current signal of described current control module conducts the electromagnetic module on the right side of to rotary shaft rack, produces magnetic, and the magnetic deformation bar be positioned on the left of rotary shaft rack extends, and make xenon lamp set of lenses to anticlockwise, light moves to left.
2. magnetostriction effect slave steering system according to claim 1, is characterized in that: the material of described magnetic deformation bar is made up of Tb0.15Dy0.72Sm0.08Ga0.05Fe1.3Ti0.3Zn0.2Mn0.2 magnetostrictive rod; Described mangneto stretch rod adopt raw metal be purity be not less than 99.5% Tb, Dy, Sm and Ga and purity be not less than 99.99% Fe, Ti, Zn and Mn; Heated by described raw metal and melt and form molten alloy, be poured into by this molten alloy in the heat-preservation cylinder with elongated cylindrical cavity, the temperature in heat-preservation cylinder is 1200-1250 DEG C, obtains the rare earth ultra-magnetostriction material of directional solidification; Reduce the temperature of heat-preservation cylinder to heat treatment temperature 950 DEG C, and be incubated 2h, finally heat-preservation cylinder is opened and slowly cool to room temperature and obtain described magnetostrictive rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210424248.1A CN102897084B (en) | 2012-10-31 | 2012-10-31 | Magnetostrictive effect follow-up steering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210424248.1A CN102897084B (en) | 2012-10-31 | 2012-10-31 | Magnetostrictive effect follow-up steering system |
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| CN102897084A CN102897084A (en) | 2013-01-30 |
| CN102897084B true CN102897084B (en) | 2015-01-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308379A (en) * | 2000-02-10 | 2001-08-15 | 东芝株式会社 | Supermangnetostrictive material and its preparation process and magnetostrictive actuator and sensor |
| KR20080084614A (en) * | 2007-03-16 | 2008-09-19 | 엘지이노텍 주식회사 | Head lamp control apparatus and method |
| CN101724803A (en) * | 2008-10-16 | 2010-06-09 | 北京有色金属研究总院 | Preparation method of composite powder for high-temperature wear-resisting self-lubricating coating |
| CN102275541A (en) * | 2011-05-31 | 2011-12-14 | 江苏文光车辆附件有限公司 | Electromagnetic induction follow-up steering mechanism for automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009002894A1 (en) * | 2009-05-07 | 2010-11-18 | Federal-Mogul Wiesbaden Gmbh | plain bearing material |
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- 2012-10-31 CN CN201210424248.1A patent/CN102897084B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308379A (en) * | 2000-02-10 | 2001-08-15 | 东芝株式会社 | Supermangnetostrictive material and its preparation process and magnetostrictive actuator and sensor |
| KR20080084614A (en) * | 2007-03-16 | 2008-09-19 | 엘지이노텍 주식회사 | Head lamp control apparatus and method |
| CN101724803A (en) * | 2008-10-16 | 2010-06-09 | 北京有色金属研究总院 | Preparation method of composite powder for high-temperature wear-resisting self-lubricating coating |
| CN102275541A (en) * | 2011-05-31 | 2011-12-14 | 江苏文光车辆附件有限公司 | Electromagnetic induction follow-up steering mechanism for automobile |
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| CN102897084A (en) | 2013-01-30 |
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