CN201255337Y - Projection lamp for vehicle - Google Patents
Projection lamp for vehicle Download PDFInfo
- Publication number
- CN201255337Y CN201255337Y CNU2008200484531U CN200820048453U CN201255337Y CN 201255337 Y CN201255337 Y CN 201255337Y CN U2008200484531 U CNU2008200484531 U CN U2008200484531U CN 200820048453 U CN200820048453 U CN 200820048453U CN 201255337 Y CN201255337 Y CN 201255337Y
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- Prior art keywords
- light
- movable
- curved reflector
- focal point
- projection lamp
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- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000011514 reflex Effects 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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Abstract
A projection lamp for a vehicle, comprising: a light source; a curved reflector for reflecting the light beam emitted from the light source, a focus of a curve equation of the curved reflector being a first focus; the convex lens is arranged at the front opening end of the curved reflector; a switching device disposed inside the curved reflector and between the convex lens and the light source, and including a movable shade having an open position and a closed position; the light source is arranged on the curved reflector, the light source is arranged on the curved. The utility model provides a good automobile-used projection lamp of far-reaching headlamp and short-distance beam grading light shape.
Description
Technical field
The utility model relates to a kind of car light, the especially a kind of vehicle projection light that can realize that distance light and dipped beam switch.Vehicle projection light of the present utility model can be used as the headlight of vehicle.
Background technology
At present, the headlight of vehicle is for generally having distance light and dipped beam irradiation function, and has and be used to the switching device shifter of realizing that distance light and dipped beam switch, but the structure of this switching device shifter is very complicated.Traditional vehicle projection light comprises the camber reflection body, be installed in the light source in the camber reflection body and be arranged on the convex lens of camber reflection body front portion, in order to form two kinds of different illumination beams of distance light (high lamp) and dipped beam (low lamp), need between the convex lens of headlight and camber reflection body, be provided for switching the switching device shifter of distance light and dipped beam, but as the structure of how simple and reliable in action obtains good luminous intensity distribution light shape, then is the problem that needs are considered.
The utility model content
The purpose of this utility model is to provide a kind of distance light and the good vehicle projection light of dipped beam luminous intensity distribution light shape.
According to an aspect of the present utility model, a kind of vehicle projection light is provided, comprising: light source; Be used to reflect the camber reflection body from the light beam of described light emitted, the focus of the curvilinear equation of described camber reflection body is first focus; Be arranged on the convex lens of described camber reflection body open front end; Switching device shifter, described switching device shifter are arranged on the inboard of described camber reflection body and between described convex lens and described light source, and comprise the movable light shielding sheet with open position and closed position, to realize the switching of distance light and dipped beam; Wherein, the luminous point of described light source is positioned on described first focus, light beam by described light emitted forms second focus by described camber reflection body reflection back focusing, the focus of described convex lens is positioned at the second focus place of described camber reflection body, described movable light shielding sheet is arranged on described light beam reflexes to described convex lens from the bottom of described camber reflection body the light path on top, to block the segment beam that reflexes to the top of described convex lens from the bottom of described camber reflection body when described movable light shielding sheet is positioned at described open position.
The bottom of the line of described movable light shielding sheet between first focus and second focus.
Advantage of the present utility model is to help obtaining good luminous intensity distribution light shape: a part of light was blocked by removable light barrier before the light beam that light source sends reflected arrival convex lens place through the camber reflection body, thereby form tangible dead line, just low lamp (dipped headlights).Operation by far and near light shifter makes removable light barrier displacement, and the part light source that is covered discharges, and reaches the effect of high lamp (high beam).
In above-mentioned vehicle projection light, the bottom of the line of described movable light shielding sheet between first focus and second focus.
In above-mentioned vehicle projection light, described switching device shifter further comprises: bracing or strutting arrangement, and described bracing or strutting arrangement is installed in the inboard of described camber reflection body; And drive unit, described drive unit is bonded to described bracing or strutting arrangement, and be configured to drive described movable light shielding sheet and switch to described open position and closed position, and cover the segment beam that arrives described second focus from described camber reflection body at described open position, to realize dipped headlights.
In above-mentioned vehicle projection light, described drive unit comprises: be arranged on solenoid on the described bracing or strutting arrangement by its external shell; And push rod, operationally insert in the coil under the magnetic field effect that an end of described push rod produces in described solenoid, and the other end combines with described movable light shielding sheet, switches to described open position and closed position thereby drive described movable light shielding sheet.
In above-mentioned vehicle projection light, described drive unit also comprises: connecting portion, described connecting portion is configured to described movable light shielding sheet is combined with the described other end of described push rod, so that described movable light shielding sheet pivot type rotation between described open position and closed position.
In above-mentioned vehicle projection light, described connecting portion comprises: along two first links of its longitudinal direction extension; And at middle second link along horizontal expansion of two insertion ends, described second link is bonded to the described other end of described push rod.Described movable light shielding sheet is combined on the described bracing or strutting arrangement pivotly around at least one fulcrum, and described two first links of described connecting portion are bonded to described movable light shielding sheet pivotly in the mode that has a moment of torsion with described at least one fulcrum.
In above-mentioned vehicle projection light, described removable light barrier is with respect to more close described second focus of described first focus.
In above-mentioned vehicle projection light, described camber reflection body is the part of oval-shaped ball.
When needs use high beam, the driver presses the power conversion switch, the coil electricity of electromagnetic driver, make the magnetic core push rod because of the magnetic energy that produced by coil influences, make it to be adsorbed and retreat, simultaneously also relatedly make connecting portion stir removable light barrier to do packing up of rugosity along bearing pin, at this moment, the no longer shading of active catch mating plate, the light beam of camber reflection body blocks luminous intensity distribution by the distance light light barrier, realizes by the switching of dipped beam to distance light.When not needing to use high beam, the driver resets the power conversion switch, the coil blackout of electromagnetic driver, the magnetic core push rod moves outside under the effect of back-moving spring, simultaneously also relatedly make connecting portion stir the active catch mating plate to do to reset activity along rotating shaft, the active catch mating plate blocks to meet the light shape requirement of dipped beam the reflector beam reflected with the distance light light barrier.
Description of drawings
The utility model further describes with reference to the accompanying drawings, wherein:
The schematic perspective view of Fig. 1 for analysing and observe according to the part under the utility model vehicle projection light dipped beam state;
The schematic perspective view of Fig. 2 for analysing and observe according to the part under the utility model vehicle projection light high-beam condition;
Fig. 3 is the longitudinal sectional view according to the utility model vehicle projection light;
Fig. 4 is the three-dimensional exploded view according to the utility model vehicle projection light;
Fig. 5 is the principle schematic according to the utility model vehicle projection light emission distance light; And
Fig. 6 is the principle schematic according to the utility model vehicle projection light emission dipped beam.
The specific embodiment
Below in conjunction with accompanying drawing and with reference to preferred embodiment of the present utility model, those skilled in the art can understand the application's further open, purpose, advantage and aspect better, and these given drawings and Examples just for illustrative purposes.Need to prove that identical Reference numeral is represented identical parts in each accompanying drawing.
Referring to figs. 1 to Fig. 4, comprise: the light source 1 of xenon lamp and so on for example according to a kind of vehicle projection light of the present utility model; Because reflection is from the camber reflection body 2 of described light source 1 emitted light beams, in a kind of exemplary embodiment, described camber reflection body is the part of oval-shaped ball and has the open front end that the focus of its curvilinear equation is first focus; Be arranged on the convex lens 3 of described camber reflection body 2 open front ends; Switching device shifter 10, described switching device shifter 10 is arranged on the inboard of described camber reflection body 2 and between described convex lens 3 and described light source 1, and comprise movable light shielding sheet 5 with open position and closed position, to realize dipped headlights at described open position and to realize high beam in described closed position.
Referring to Fig. 5 and 6, the luminous point 11 of described light source 1 is positioned on first focus of described camber reflection body, is focused on after by the inner reflection of described camber reflection body 2 by described light source 1 emitted light beams and forms second focus 12.The focus of described convex lens 3 is positioned at second focus, 12 places of described camber reflection body 2, that is to say, the focus of described convex lens 3 overlaps with second focus 12 of described camber reflection body 2.Described movable light shielding sheet 5 is arranged on described light beam reflexes to described convex lens 3 from the bottom of described camber reflection body 2 the light path on top, to block the segment beam that reflexes to the top of described convex lens 3 from the bottom of described camber reflection body 2 when described movable light shielding sheet 5 is positioned at described open position.In a kind of exemplary embodiment, movable light shielding sheet 5 is positioned between first focus (luminous point 11) and second focus 12, and is positioned at the below of first focus and second focus, 12 lines, helps like this distance light (high lamp) light beam is carried out luminous intensity distribution.In a kind of exemplary embodiment, movable light shielding sheet 5 helps controlling the folded light beam of distance light (Gao Guang) lamp of camber reflection body 2 like this with respect to more close second focus 12 of first focus.
Selectively, movable light shielding sheet 5 also can be arranged on the top of camber reflection body 2 and between second focus 12 and convex lens 3, and above the line between the center of second focus 12 and convex lens 3, so also can make the movable light shielding sheet that is shown in an open position block the segment beam that reflexes to the top of convex lens 3 from the bottom of camber reflection body 2.
In a kind of exemplary embodiment, switching device shifter 10 further comprises: the bracing or strutting arrangement 13 that is installed in the inboard of described camber reflection body 2; And drive unit 6, described drive unit 6 is installed on the described bracing or strutting arrangement, and be configured to drive described movable light shielding sheet 5 and switch to described open position and closed position, and cover the segment beam that arrives described second focus from described camber reflection body 2 at described open position.More specifically, described drive unit 6 comprises: be arranged on solenoid 61 on the bracing or strutting arrangement 13 by its external shell; And push rod 62, described push rod 62 operationally inserts in the coil 61.Particularly, push rod 62 have insertion end and with described insertion end opposed free ends, the magnetic field that produces in coil 61 effect lower push-rod 62 is in insertion end is inserted coil 61.
Referring to Fig. 1,2 and 4, in a kind of exemplary embodiment, the open front end of camber reflection body 2 is provided with from outward extending a plurality of first flanges 21 of openend (having illustrated two accompanying drawing) and a plurality of second flange 22 (having illustrated two in the accompanying drawing).Each second flange 22 is provided with at least one screwed hole 221, and a plurality of connectors 16 such as bolt pass the front portion that extension 15 that described screwed hole 221 will be used to install convex lens 3 is installed to camber reflection body 2.Comprise depressed part on first flange 21, depressed part is provided with at least one screwed hole 221.Bracing or strutting arrangement 13 comprises the installation portion 131 that extends to both sides.Installation portion 131 is engaged on the depressed part, and the connector of push rod such as bolt fix the two, thereby the main part of bracing or strutting arrangement 13 is installed in the inboard of camber reflection body 2.
Referring to Fig. 4, be provided with a pair of relative lug 14 on the top of bracing or strutting arrangement 13, all be provided with first pivoting hole 141 on each lug 14.Be provided with a pair of rotating mechanism 52 that extends to same direction at the two ends, bottom of described movable light shielding sheet 5.On each rotating mechanism 52, second pivoting hole 522 that is provided with the drive hole 521 that is positioned at rotating mechanism 52 tops and is positioned at rotating mechanism 52 downsides promptly has predetermined distance between the drive hole 521 and second pivoting hole 522.Second line between first line between the axis of two drive holes 521 and the axis of two second pivoting holes 522 all is parallel to the principal plane of movable light shielding sheet 5.Parallel with second line and the definite plane of first line, and have predetermined angle between the principal plane of this plane and movable light shielding sheet 5, this angle can be set in the scope between 40-50 degree, are preferably 45 degree.Two bearing pins 51 pass described first pivoting hole 141 and second pivoting hole 522 respectively, and form two coaxial fulcrums, thereby movable light shielding sheet 5 is pivotably mounted on the described bracing or strutting arrangement 13 around described fulcrum.In a kind of exemplary embodiment, as shown in Figure 4, shown in two bearing pins 51 be single arched two ends, this bow-shaped structural has certain elasticity.Like this, can make as the bearing pin 51 at described bow-shaped structural two ends and insert described first pivoting hole 141 and second pivoting hole 522 from the inboard of relative two described first pivoting holes 141 and relative two second pivoting holes 522 respectively, and because the elasticity of bow-shaped structural self and bearing pin 51 is broken away from from first pivoting hole 141 and second pivoting hole 522, thereby securely movable light shielding sheet 5 is pivotally connected on the bracing or strutting arrangement 13.Though described two coaxial fulcrum being made up of bearing pin 51, first pivoting hole 141 and second pivoting hole 522 above, the utility model is not limited thereto, and also a fulcrum can only be set.In like manner, three fulcrums also can be set.
Be provided with the distance light anti-dazzling screen 4 that extends to form from the top of bracing or strutting arrangement 13 on the top of bracing or strutting arrangement 13.On distance light anti-dazzling screen 4, form recess 41, the shape of this recess 41 is corresponding with movable light shielding sheet 5 with size, make movable light shielding sheet 5 when being shown in an open position, can remedy the shape of recess 41 thus, thereby block segment beam from the bottom, make through second focus 12 and the light beam that incides convex lens 3 inboards to narrow down from the inner reflection of camber reflection body 2 to second focus 12.Like this, referring to Fig. 6, the light beam that sends from convex lens 3 narrows down from the top, makes this light beam can not shine place far away, realizes the dipped beam irradiation.
The free end of movable light shielding sheet 5 and push rod 62 is connected by connecting portion 7.In a kind of exemplary embodiment, connecting portion 7 comprises: along two first links 71 of its longitudinal direction extension; And at two insertion ends, 71 middle second links 72 along horizontal expansion.Two first links 71 insert two drive holes 521 respectively, owing to have predetermined distance between the drive hole 521 and second pivoting hole 522, such first link 71 produces moment of torsion with respect to two coaxial fulcrum being made up of bearing pin 51, first pivoting hole 141 and second pivoting hole 522, rotates thereby can drive movable light shielding sheet 5 pivoted ground.In one embodiment, second link 72 can be a kind of fork configuration, and two forks of this fork configuration are inserted respectively in the free-ended annular groove 621 that is formed on push rod 62.That is to say that the fork configuration of second link 72 is clamped the free end of push rod 62 by annular groove 621.In another kind of embodiment, described second link 72 also can be single slim-lined construction, and is corresponding, is provided with patchhole at the free end of push rod 62, by second link 72 is inserted described patchhole, and makes connecting portion 7 and push rod 62 combinations.In one embodiment, between connecting portion 7 and coil 61, be provided with back-moving spring 8 around push rod 62.
The operating process that realizes that distance light and dipped beam switch is described below with reference to Fig. 1, Fig. 2, Fig. 5 and Fig. 6.
When needs used high beam, the driver pressed the power conversion switch, coil 61 energisings of drive unit 6, and push rod 62 is owing to be subjected to the magnetic energy effect of coil 61 generations and be adsorbed, thereby retreats (moving down) to the direction of coil 61.Simultaneously, push rod 62 drives connecting portion 7 and moves down, connecting portion 7 drives movable light shielding sheet 5 thereupon and rotates along counter clockwise direction shown in Figure 4 around bearing pin 51, movable light shielding sheet 5 leaves the recess 41 on the bracing or strutting arrangement 13 gradually, and finally reaches the vertical closed position of movable light shielding sheet 5 and recess 41.At this moment, shown in Fig. 2 and 5, movable light shielding sheet 5 is packing up of rugosity along bearing pin 51, and movable light shielding sheet 5 no longer shield reflexes to the light beam of second focus from camber reflection body 2.Like this, block luminous intensity distribution by distance light anti-dazzling screen 4, realize thus by the switching of dipped beam to distance light from the light beam of camber reflection body 2 inner reflections.
When not needing to use high beam, the driver resets the power conversion switch, coil 61 outages of drive unit 6, and push rod 62 outwards moves in coil 61 under the effect of back-moving spring 8.Simultaneously, connecting portion 7 drives movable light shielding sheet 5 thereupon and rotates along clockwise direction shown in Figure 4 around bearing pin 51, movable light shielding sheet 5 recess on bracing or strutting arrangement 13 41 gradually rotates, and finally reaches the open position of movable light shielding sheet 5 and recess 41 coincidences.At this moment, as shown in figs. 1 and 6, movable light shielding sheet 5 is opening of rugosity along bearing pin 51, thereby makes movable light shielding sheet 5 shields reflex to the light beam of second focus from camber reflection body 2.Like this, block luminous intensity distribution together by movable light shielding sheet 5 and distance light anti-dazzling screen 4,, realize thus by the switching of distance light to dipped beam to meet the light shape requirement of dipped beam (low lamp) from the light beam of camber reflection body 2 inner reflections.
In an optional embodiment, also distance light anti-dazzling screen 4 and recess 41 can be set.Like this, when movable light shielding sheet 5 is in the closed position, all by by second focus, realize the high beam function thus from camber reflection body 2 beam reflected; And when open position, movable light shielding sheet 5 blocks from the bottom from the segment beam of camber reflection body 2 reflections, realizes the dipped headlights function thus.
Carry out the embodiment that rotates around bearing pin 51 though described movable light shielding sheet 5 above, the utility model is not limited thereto.In an optional embodiment, movable light shielding sheet 5 vertically directly can be fixed on the push rod 62.Like this, return or stretch out coil 61, drive movable light shielding sheet 5 and move up and down, thereby movable light shielding sheet 5 is blocked from the bottom or do not block, realize dipped headlights or high beam function thus from the segment beam of camber reflection body 2 reflections along with push rod 62.
In another alternate exemplary embodiment, drive unit 6 can comprise drive motors, and is driven the rotation of movable light shielding sheet 5 and moved up and down by drive motors.
Although exemplary embodiments of the present utility model is illustrated, but obviously those of ordinary skill is appreciated that, under the situation that does not deviate from spirit of the present utility model and principle, can change, its scope claims with and equivalent in limit.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200484531U CN201255337Y (en) | 2008-05-23 | 2008-05-23 | Projection lamp for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200484531U CN201255337Y (en) | 2008-05-23 | 2008-05-23 | Projection lamp for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255337Y true CN201255337Y (en) | 2009-06-10 |
Family
ID=40738657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200484531U Expired - Fee Related CN201255337Y (en) | 2008-05-23 | 2008-05-23 | Projection lamp for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255337Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381771A (en) * | 2012-05-02 | 2013-11-06 | 株式会社小糸制作所 | Vehicle headlamp |
| CN104748031A (en) * | 2013-12-27 | 2015-07-01 | 现代摩比斯株式会社 | Head lamp for vehicle |
| CN105318245A (en) * | 2014-07-24 | 2016-02-10 | Sl株式会社 | Lamp for vehicle and controlling method of lamp |
| CN107013862A (en) * | 2015-12-10 | 2017-08-04 | 法雷奥照明公司 | Motor vehicles lighting module with combination dipped beam and road function and tunable light source |
| CN107345637A (en) * | 2017-08-23 | 2017-11-14 | 乐清市博盛汽车配件制造有限公司 | A kind of logo lamps |
-
2008
- 2008-05-23 CN CNU2008200484531U patent/CN201255337Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381771A (en) * | 2012-05-02 | 2013-11-06 | 株式会社小糸制作所 | Vehicle headlamp |
| CN103381771B (en) * | 2012-05-02 | 2015-11-18 | 株式会社小糸制作所 | Headlight for automobile |
| CN104748031A (en) * | 2013-12-27 | 2015-07-01 | 现代摩比斯株式会社 | Head lamp for vehicle |
| CN105318245A (en) * | 2014-07-24 | 2016-02-10 | Sl株式会社 | Lamp for vehicle and controlling method of lamp |
| CN105318245B (en) * | 2014-07-24 | 2018-07-13 | Sl株式会社 | Vehicle lamp and its control method |
| CN107013862A (en) * | 2015-12-10 | 2017-08-04 | 法雷奥照明公司 | Motor vehicles lighting module with combination dipped beam and road function and tunable light source |
| CN107345637A (en) * | 2017-08-23 | 2017-11-14 | 乐清市博盛汽车配件制造有限公司 | A kind of logo lamps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Haidi white Lighting Co. Ltd Assignor: Sun Shaozhen Contract record no.: 2011440000650 Denomination of utility model: Vehicle projection light Granted publication date: 20090610 License type: Exclusive License Record date: 20110712 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20120523 |