CN1818457A - Vehicle illuminating apparatus - Google Patents
Vehicle illuminating apparatus Download PDFInfo
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- CN1818457A CN1818457A CNA2006100068194A CN200610006819A CN1818457A CN 1818457 A CN1818457 A CN 1818457A CN A2006100068194 A CNA2006100068194 A CN A2006100068194A CN 200610006819 A CN200610006819 A CN 200610006819A CN 1818457 A CN1818457 A CN 1818457A
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- lens
- speculum
- vehicle
- illuminator
- lens section
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Abstract
The invention provides a vehicular lighting device that has a structure in which a desired light distribution characteristic can be obtained easily and a bulb and its socket part are not exposed, while a clear lens is adopted. The reflector (4) includes a first reflector part (41) in which a light emitting bulb (3) is arranged at the center and which has a single paraboloid shaped reflecting face at the circumference of the center, and a second reflector part (42) which has reflecting faces at the circumference of the first reflector part (41), wherein the second reflector part (42) is a multi-reflector provided with a light distribution function including numerous cut faces. An intermediate lens (5) that is applied with lens cut is supported by a pair of right and left arm members (6) at a position opposing to the first reflector part (41) between a clear lens (2) and the light emitting bulb (3).
Description
Technical field
The present invention relates to a kind of illuminator for vehicle, particularly relate to a kind of illuminator for vehicle that is applicable to headlamp.
Background technology
Various luminaires such as headlamp, taillight, Brake lamp and blinker are installed on vehicle,, when requiring it to have higher illumination efficiency and visibility, also require it to have excellent aesthetic property for these illuminator for vehicle.Following a kind of technology is disclosed in patent documentation 1, promptly, being made for by the lens with blinker (flashing lamp) is transparent lens (Network リ ァ レ Application ズ) at the central portion in the face of bulb only, and by to implementing the lens cutting around it, make it when having scattering function, also have the function of blocking, thereby can obtain higher illumination efficiency and aesthetic property simultaneously.
In addition, because headlamp is installed in the front of vehicle, therefore not only attractive in appearance, design are caused bigger influence, and, therefore also need light distribution characteristic is considered fully because light quantity is bigger.In headlamp in the past, speculum is made for single parabolic shape, and the front lens are implemented processing, adjusted light distribution characteristic.To this, proposed a kind of with the front lens as transparent lens, thereby and the structure that adopts multipath reflection mirror light distribution characteristic to be adjusted as speculum with a plurality of tangent planes and free form surface.
Patent documentation 1: No. 3580516 communique of patent gazette
Summary of the invention still in the headlamp in the past that constitutes at composition transparent lens and multipath reflection mirror, owing to must only adjust light distribution characteristic by the tangent plane of multipath reflection mirror with curvature, so be difficult to obtain desirable light distribution characteristic.In addition, in above-mentioned headlamp in the past,, therefore there is influence technical problem attractive in appearance because bulb and lamp socket thereof partly expose.
The objective of the invention is to solve above-mentioned technical problem in the past, provide a kind of and when using transparent lens, can easily obtain desirable light distribution characteristic, and bulb and lamp socket thereof are partly exposed, thus aspect aesthetic property also very good illuminator for vehicle.
In order to achieve the above object, the invention is characterized in the illuminator for vehicle that constitutes by emitting bulb, speculum and lens, to have with lower device.
(1) it is characterized in that, described speculum is included in the first speculum portion that has reflecting surface on every side of emitting bulb, and the second speculum portion that around the described first speculum portion, has reflecting surface, the described second speculum portion is the multipath reflection mirror, described lens comprise first lens section that the reverberation that makes the described first speculum portion sees through, and second lens section that sees through of the reverberation that makes the described second speculum portion, and described first lens section implemented the lens cutting.
It is characterized in that (2) to be positioned at the mode in the outside overlapping and constitute to make first lens section be positioned at inboard, second lens section at optical axis direction for described lens, and described second lens section is a transparent lens.
It is characterized in that (3) described lens are single structure, and around first lens section, be formed with second lens section.
(4) it is characterized in that also having arm member, this arm member supports described first lens by its left and right end portions, and along the optical axis almost parallel.
(5) it is characterized in that, around described second speculum, dispose and block panel, and will describedly block panel and arm member is together fixed with respect to described speculum.
The invention effect
According to the present invention, can obtain following effect.
(1) according to the invention of technical scheme 1, because can be by the formed luminous intensity distribution of reflecting surface by second speculum (multipath reflection mirror), and be incident to the formed luminous intensity distribution of first lens (cutting lens) by first speculum, adjust light distribution characteristic respectively from light source, therefore the adjusting range as the luminous intensity distribution of light fixture integral body will broaden, and consequently can easily carry out the optimal light distribution adjustment that is complementary with desirable light distribution characteristic.
(2) according to the invention of technical scheme 2, can only pass through exchange first lens (cutting lens), and carry out the luminous intensity distribution adjustment mutually independently with the light distribution characteristic of second speculum.That is,, for example can form main light distribution characteristic, and can be difficult to the fine luminous intensity distribution adjustment undertaken by second speculum by the light distribution characteristic of first lens by second speculum according to the present invention.In addition, in the present invention, the front of the optical axis direction of light source promptly, disposes first lens in the position over against this light source.Therefore, according to the present invention, can when adopting the transparent lens of not implementing the lens cutting, shelter from emitting bulb (can't see) from the outside.
(3) according to the invention of technical scheme 3,, therefore can reduce number of spare parts owing to can form the lens of different luminous intensity distributions respectively with one piece of formation.
(4) according to the invention of technical scheme 4, along optical axis almost parallel ground (with from the mode of the perpendicular direction attenuation of direction of illumination) make arm member by left and right sides end bearing first lens.Therefore, according to the present invention, the shading amount that supports the arm member of first lens can be suppressed to bottom line.
(5) according to the invention of technical scheme 5, compare with blocking the situation that panel and arm member fixed respectively, can reduce the quantity of fixed part, and can reduce the assembler time.
Description of drawings
Fig. 1 is the stereogram of first embodiment of suitable headlamp of the present invention.
Fig. 2 is the front view of headlamp shown in Figure 1.
Fig. 3 is the profile along the AA line of Fig. 2.
Fig. 4 is the profile along the BB line of Fig. 2.
Fig. 5 is the profile in order to the function that the first speculum portion 41 is described.
Fig. 6 is the profile along the CC line of Fig. 2.
Fig. 7 is the profile along the DD line of Fig. 2.
Fig. 8 is the stereogram of the 2nd embodiment of suitable headlamp of the present invention.
The specific embodiment
With reference to the accompanying drawings best example of the present invention is described.Fig. 1 is the stereogram of first example of suitable headlamp of the present invention, and Fig. 2 is its front view, and Fig. 3 is the profile along the AA line of Fig. 2, and Fig. 4 is the profile along the BB line of Fig. 2.
Headlamp 1 of the present invention is mainly by the transparent lens 2 of not implementing the lens cutting, and emitting bulb 3 and speculum 4 constitute, and surround around it by front shroud 10.Described speculum 4 disposes emitting bulb 3 in the center, and contains first speculum portion 41 that has the reflecting surface of single parabolic shape around it and the second speculum portion 42 that has reflecting surface around the described first speculum portion 41.The described second speculum portion 42 is the multipath reflection mirror that is formed with a plurality of cut surfaces or free form surface and has light distributing function.
Between above-mentioned transparent lens 2 and the emitting bulb 3, implemented the intermediate lens 5 of lens cutting, be supported on the position relative by pair of right and left arm member 6 with the above-mentioned first speculum portion 41.That is, the structure of the lens of present embodiment is, on optical axis direction, with intermediate lens 5 inboard (light source side), with transparent lens 2 in the outside (direction of illumination side) carry out overlapping.In the present embodiment, because above-mentioned arm member 6 is supported intermediate lens 5 with the posture that is almost parallel along optical axis, therefore can will be suppressed to bottom line by the shading amount that intermediate lens 5 forms is set.
In addition, in headlamp 1, more dispose indicator lamp (Port ジ シ ョ Application ラ Application プ) 7 in the lower position place at the above-mentioned emitting bulb 3 of the ratio of the above-mentioned second speculum portion 42.In addition, in the present embodiment, under the situation of top view headlamp 1 because the shape of its inboard shape and the second speculum portion 42 is inconsistent, so will be used to block both the gap block the top, the left and right sides that panel 8 is configured in the above-mentioned second speculum portion 42.
Fig. 5 is the profile in order to function that the above-mentioned first speculum portion 41 is described, the identical or part that is equal to of symbolic representation same as described above.
As mentioned above, in the present embodiment, speculum 4 is made of two parts, and can freely set its solid angle.Therefore,, be set to greatlyyer by solid angle as shown in Figure 5, more reverberation is incident on the intermediate lens 5 particularly about first speculum 41.
At the peripheral part of headlamp 1, as shown in Figure 3, Figure 4, dispose near the groove 4a that processes the edge to speculum 4 and form annularly.Be inserted with section and be the roughly elastic sealing element of concavity (for example, O shape ring) 91 in above-mentioned groove 4a, the end 2a of transparent lens 2 connects to be inserted in the above-mentioned groove 4a and with above-mentioned seal member 91 and connects, and carries out liquid-tight seal by sealing parts 91.
Fig. 6 is the profile along the CC line of Fig. 2, the identical or part that is equal to of symbolic representation same as described above.In the present embodiment, near the end of transparent lens 2 inboard is provided with flank 2c, be positioned at the place, inside at the ratio of speculum 4 and the opposed position of flank 2c of above-mentioned transparent lens 2, be provided with step difference 4c, the above-mentioned panel 8 that blocks, it is on every side by above-mentioned flank 2c and 2 clampings of step difference 4c.
Fig. 7 is the profile along the DD line of Fig. 2, the identical or part that is equal to of symbolic representation same as described above.Above-mentioned end of blocking panel 8 and arm member 6, is together being fixed by screw 92 with respect to above-mentioned speculum 4 in the sealed zone by above-mentioned seal member 91.So, because in this example, together fixedly block panel 8 and arm member 6, therefore, compare, can reduce the quantity of fixed part with the situation of fixedly blocking panel 8 and arm member 6 respectively with respect to speculum 4, and can cut down its assembler the time.
In the headlamp 1 of this structure, the part of the light that sends from emitting bulb 3 is reflected by the first speculum portion 41 and is incident on the intermediate lens 5, and after in this intermediate lens 5, being controlled to be desirable luminous intensity distribution, seeing through transparent lens 2 and forwards shine.In addition, another part of the light of emitting from emitting bulb 3 is incident to transparent lens 2 after being controlled as desirable luminous intensity distribution by the second speculum portion 42, and makes that it directly sees through, irradiation forwards.
According to present embodiment, owing to can adjust light distribution characteristic respectively by multipath reflection mirror 42 and intermediate lens 5 (cutting lens), so the adjustment width of luminous intensity distribution broadens, and consequently can realize the luminous intensity distribution adjustment that is complementary with desirable light distribution characteristic.In addition, not only can carry out the luminous intensity distribution adjustment, and can when adopting transparent lens, shelter from emitting bulb 3 and lamp holder thereof by only exchanging intermediate lens 5.
Then, second embodiment of the present invention is described.In above-mentioned first example, to being provided with two lens, and make intermediate lens 5 be positioned at the inboard at optical axis direction, make transparent lens 2 be positioned at overlapping both scheme in outside ground to be illustrated, but the present invention is not limited to this embodiment, also can as the example of one shown in the stereogram of Fig. 8, on the central portion of the transparent lens 2 that is arranged at the outside, form intermediate lens 9.According to present embodiment, compare with above-mentioned first embodiment, can reduce the quantity of lens.
Claims (5)
1. an illuminator for vehicle is made of emitting bulb, speculum and lens, it is characterized in that,
Described speculum is included in the first speculum portion that has reflecting surface on every side of emitting bulb, and the second speculum portion that has reflecting surface around the described first speculum portion,
The described second speculum portion is the multipath reflection mirror,
Described lens comprise first lens section that the reverberation that makes the described first speculum portion sees through, and second lens section that the reverberation of the described second speculum portion is seen through, and described first lens section is implemented the lens cutting.
2. illuminator for vehicle as claimed in claim 1 is characterized in that, to be positioned at the mode in the outside overlapping and constitute to make first lens section be positioned at inboard, second lens section at optical axis direction for described lens, and described second lens section is a transparent lens.
3. illuminator for vehicle as claimed in claim 1 is characterized in that, described lens are single structure, and is formed with second lens section around first lens section.
4. illuminator for vehicle as claimed in claim 2 is characterized in that, also has arm member, and this arm member supports described first lens by its left and right end portions, and along the optical axis almost parallel.
5. illuminator for vehicle as claimed in claim 4 is characterized in that, disposes and blocks panel around described second speculum, and will describedly block panel and arm member is together fixed with respect to described speculum.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005031654A JP4592006B2 (en) | 2005-02-08 | 2005-02-08 | Vehicle lighting |
| JP2005031654 | 2005-02-08 | ||
| JP2005-031654 | 2005-02-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1818457A true CN1818457A (en) | 2006-08-16 |
| CN1818457B CN1818457B (en) | 2010-08-25 |
Family
ID=36918587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100068194A Expired - Fee Related CN1818457B (en) | 2005-02-08 | 2006-02-07 | Vehicle illuminating apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4592006B2 (en) |
| CN (1) | CN1818457B (en) |
| MY (1) | MY146438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175007A (en) * | 2011-01-11 | 2011-09-07 | 重庆隆鑫机车有限公司 | Motorcycle headlamp and motorcycle thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB287088A (en) * | 1927-03-14 | 1929-02-07 | Pintsch Julius Ag | Improvements in or relating to vehicle lamps |
| JPH025301A (en) * | 1988-06-24 | 1990-01-10 | Ichikoh Ind Ltd | Headlight for automobile |
| JP3580516B2 (en) * | 1997-02-27 | 2004-10-27 | 本田技研工業株式会社 | Vehicle lighting |
| JP3104870B2 (en) * | 1998-01-29 | 2000-10-30 | スタンレー電気株式会社 | Car lamp |
-
2005
- 2005-02-08 JP JP2005031654A patent/JP4592006B2/en not_active Expired - Fee Related
-
2006
- 2006-01-16 MY MYPI20060166A patent/MY146438A/en unknown
- 2006-02-07 CN CN2006100068194A patent/CN1818457B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175007A (en) * | 2011-01-11 | 2011-09-07 | 重庆隆鑫机车有限公司 | Motorcycle headlamp and motorcycle thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4592006B2 (en) | 2010-12-01 |
| CN1818457B (en) | 2010-08-25 |
| JP2006221848A (en) | 2006-08-24 |
| MY146438A (en) | 2012-08-15 |
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| 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 | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20100825 Termination date: 20200207 |