CN106979503A - A kind of reflector and automobile signal light for realizing wide-angle and low-angle light extraction - Google Patents
A kind of reflector and automobile signal light for realizing wide-angle and low-angle light extraction Download PDFInfo
- Publication number
- CN106979503A CN106979503A CN201710140931.5A CN201710140931A CN106979503A CN 106979503 A CN106979503 A CN 106979503A CN 201710140931 A CN201710140931 A CN 201710140931A CN 106979503 A CN106979503 A CN 106979503A
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- reflecting surface
- cup
- angle
- light
- reflector
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of reflector and automobile signal light for realizing wide-angle and low-angle light extraction, the reflector includes wall of cup, upper rim of a cup, lower cup mouth, and the medial surface of wall of cup is provided with reflecting surface；The reflecting surface includes the first reflecting surface and the second reflecting surface being circumferentially sequentially distributed along wall of cup, first reflecting surface protrudes from the second reflecting surface, light through the first reflective surface projects to form the first emergent light from upper rim of a cup, and realize wide-angle light extraction, light through the second reflective surface projects to form the second emergent light from upper rim of a cup, and realizes low-angle light extraction.Automobile signal light includes base, circuit board, mask, and above-mentioned reflector.The reflector of the present invention can form Hot Wheels hot spot, can meet a variety of car light regulations with relatively low light source power consumption；Structure is more readily processed, and directly the demoulding can obtain agent structure during processing, and cost is lower；Structural strength is higher, is not susceptible to deformation；The efficiency of light energy utilization is higher.
Description
Technical field
The present invention relates to a kind of reflector, more particularly to a kind of reflector and vapour for realizing wide-angle and low-angle light extraction
Car signal lamp.
Background technology
The automobile signal lights such as some current back-up lamps require that horizontal direction has high angle scattered light (to go out the angle of light and axis
More than 45 °) project, to solve this problem, prior art occurs in that a kind of reflector, its structure as shown in figure 1, its be into
Reverse mould otch is done again after pattern tool depanning, a vertical or close vertical ＇ of big reflecting surface 1 is made on wall of cup, for reflecting
High angle scattered light.Although this reflector can realize wide-angle light extraction, the car rule for meeting some back-up lamps require, there is also
Following weak point：Processed complex (needs multiple working procedure, and plating difficulty is big), and cost is high；Bad big, the whole light effect of light loss is low.
The content of the invention
The invention provides a kind of reflector and automobile signal light for realizing wide-angle and low-angle light extraction, the back of the body is which overcomed
The weak point present in reflector described in scape technology.
The technical solution adopted for the present invention to solve the technical problems is：It is a kind of to realize the anti-of wide-angle and low-angle light extraction
Cup, including wall of cup, upper rim of a cup, lower cup mouth are penetrated, the medial surface of wall of cup is provided with reflecting surface；The reflecting surface include along wall of cup it is circumferential according to
The first reflecting surface and the second reflecting surface of secondary distribution, the first reflecting surface protrudes from the second reflecting surface, through the first reflective surface
Light projects to form the first emergent light from upper rim of a cup, and realizes wide-angle light extraction, and the light through the second reflective surface is from upper cup
Mouth, which is projected, forms the second emergent light, and realizes low-angle light extraction.
Further, the reflecting surface of the wall of cup also includes the 3rd reflecting surface, and the 3rd reflecting surface is located at the first reflecting surface
Upside, the left and right sides of the 3rd reflecting surface is respectively second reflecting surface, and the 3rd reflecting surface is with respect to the first reflecting surface, second
Reflecting surface is recessed, and the light through the 3rd reflective surface projects to form the 3rd emergent light from upper rim of a cup, the 3rd outgoing
Light is located on the inside of first emergent light.
Further, the bottom of the 3rd reflecting surface and the top of the first reflecting surface carry out transition with boss.
Further, the quantity of first reflecting surface is even number, and is uniformly distributed along the circumference of wall of cup, and adjacent
Two first reflectings surface are separated by second reflecting surface；The quantity of 3rd reflecting surface is equal with the quantity of the first reflecting surface,
And correspond up and down.
Further, first reflecting surface is faces directly, and is 0~5 ° with the angle that reflects cup axis, or, described the
One reflecting surface is curved surface, and the angle of the line and reflection cup axis of its upper and lower ends is 0~5 °；3rd reflecting surface is straight
Face, and with reflect cup axis angle be 0~5 °, or, the 3rd reflecting surface be curved surface, and the line of its upper and lower ends with
The angle for reflecting cup axis is 0~5 °.
Further, the wall of cup lateral surface and first reflecting surface back to position it is recessed, outside the wall of cup
Side with the 3rd reflecting surface back to position be in outer gibbosity.
Further, the reflecting surface of the wall of cup also includes the 4th reflecting surface, and it is anti-that the 4th reflecting surface is located at described first
Penetrate on the downside of face, and the 4th reflecting surface left and right ends be respectively second reflecting surface bottom, and it is anti-to accept second respectively
Penetrate face.
Further, the reflecting surface of the wall of cup is all or part is set to check face, each grid surface in the check face
It is non-coplanar with adjacent grid surface respectively.
A kind of automobile signal light, including base, circuit board, mask, circuit board are provided with LED, and circuit board is arranged on bottom
In seat, mask is arranged on base；Also include the reflector for realizing wide-angle and low-angle light extraction described in any of the above-described, should
Reflector is arranged between mask and circuit board, and LED is inserted in the lower cup mouth of reflector.
Further, the LED and the quantity of reflector are respectively multiple, and the two is corresponded；Also include one
Fagging, multiple reflectors are arranged in the supporting plate, and in array distribution.
Compared to prior art, the invention has the advantages that：
1st, first reflecting surface, the setting of the second reflecting surface, wide-angle and low-angle light extraction can be realized simultaneously, and
Hot Wheels hot spot is formed, a variety of car light regulations (including Rear Position Lamp, brake lamp, rear steering can be met with relatively low light source power consumption
Lamp, back-up lamp etc.)；Structure is more readily processed, and directly the demoulding can obtain agent structure during processing, and cost is lower；Structural strength
It is higher, it is not susceptible to deformation；The efficiency of light energy utilization is higher；
4th, the setting of the 3rd reflecting surface, can strengthen the illuminance on the inside of the first emergent light；
5th, the reflecting surface of the wall of cup all or it is local be set to check face, each grid surface in the check face respectively with phase
Adjacent grid surface is non-coplanar so that equivalent to one small minute surface of each grid surface, with by the effect of light source luminescent point mirror image, makes
The luminous point area that whole observation is arrived is much larger, so as to improve the light efficiency of whole lamp；
6th, reflector of the invention is compared with the reflector of prior art, under conditions of same regulation is met, the present invention
Reflector rim of a cup diameter can be made smaller, so as to set more to reflect on the automobile signal light of same size
Cup and more LEDs, make that the effective lighting region area on whole lamp exiting surface is bigger, and the light efficiency of whole lamp is more preferable.
The present invention is described in further detail below in conjunction with drawings and Examples；But one kind of the present invention realizes wide-angle
And the reflector and automobile signal light of low-angle light extraction are not limited to embodiment.
Brief description of the drawings
Fig. 1 is the D structure schematic diagram of the reflector of prior art；
Fig. 2 is the D structure schematic diagram of the reflector of the present invention of embodiment one；
Fig. 3 is the top view of the reflector of the present invention of embodiment one；
Fig. 4 is the front view of the reflector of the present invention of embodiment one；
Fig. 5 is the wide-angle section index path of the reflector of the present invention of embodiment one；
Fig. 6 is the low-angle section index path of the reflector of the present invention of embodiment one；
Fig. 7 is the hot spot schematic diagram that the present invention of embodiment one is formed；
Fig. 8 is the decomposing schematic representation of the automobile signal light of the present invention of embodiment one；
Fig. 9 is the D structure schematic diagram of the automobile signal light of the present invention of embodiment one；
Figure 10 is the D structure schematic diagram of the reflector of the present invention of embodiment two；
Figure 11 is the top view of the reflector of the present invention of embodiment two.
Embodiment
Embodiment one
Refer to shown in Fig. 2-Fig. 7, a kind of reflector for realizing wide-angle and low-angle light extraction of the invention, including wall of cup
1st, upper rim of a cup 2, lower cup mouth 3, the upper diameter of rim of a cup 2 are more than the diameter of lower cup mouth 3, and the medial surface of wall of cup 1 is provided with reflecting surface, the reflecting surface
Including along circumferential the first reflecting surface 11 and the second reflecting surface 12 being sequentially distributed of wall of cup 1, it is anti-that the first reflecting surface 11 protrudes from second
Face 12 is penetrated, i.e. relative second reflecting surface 12 of the first reflecting surface 11 is in interior convex.The light reflected through the first reflecting surface 11 is from upper cup
Mouth 2, which is projected, forms the first emergent lights 4, and realizes wide-angle light extraction, and the light reflected through the second reflecting surface 12 is projected from upper rim of a cup 2
The second emergent light 5 is formed, and realizes low-angle light extraction.The wide-angle light extraction refers to that emergent light and the angle for reflecting cup axis are big
In 45 °, low-angle light extraction refers to that the angle of emergent light and reflection cup axis is less than or equal to 20 °.
In the present embodiment, the reflecting surface of the wall of cup 1 also includes the 3rd reflecting surface 13, and the 3rd reflecting surface 13 is located at first
The upside of reflecting surface 11, the left and right sides of the 3rd reflecting surface 13 is respectively second reflecting surface 12, and the 3rd reflecting surface 13 is relative
First reflecting surface 11, the second reflecting surface 12 are recessed, and the light reflected through the 3rd reflecting surface 13 is projected from upper rim of a cup 2 to be formed
3rd emergent light 6, the 3rd emergent light 6 is located at the inner side of the first emergent light 4.The bottom and first of 3rd reflecting surface 13
The top of reflecting surface 11 carries out transition with boss 15.The lateral surface of wall of cup 1 and first reflecting surface 11 back to position be in
Recess, the lateral surface of wall of cup 1 and the 3rd reflecting surface 13 back to position be in outer gibbosity, the wall of cup 1 passes through shaping
Directly the demoulding is formed after abrasive tool moulding, and the medial surface of the wall of cup 1 forms the reflecting surface by electroplating the aluminium film of high reflectance.
In the present embodiment, the quantity of first reflecting surface 11 is even number, specially four (first reflectings surface 11
Quantity be not limited to four, or two or six etc., or or odd number, such as one, three),
And be uniformly distributed along the circumference of wall of cup 1, and two first adjacent reflectings surface 11 are separated by second reflecting surface 12；Described 3rd
The quantity of reflecting surface 13 is equal with the quantity of the first reflecting surface 11, and corresponds up and down.The quantity of the boss 15 is also with
The quantity of one reflecting surface 11 is equal, as four.
In the present embodiment, first reflecting surface 11 is 0~5 ° with the angle that reflects cup axis to face directly, or, institute
The first reflecting surface 11 is stated for curved surface, and the angle of the line and reflection cup axis of its upper and lower ends is 0~5 °；3rd reflection
Face 13 is 0~5 ° with the angle that reflects cup axis to face directly, or, the 3rd reflecting surface 13 is curved surface, and its up and down two
The angle of the line at end and reflection cup axis is 0~5 °.Described 0~5 ° includes 0 ° and 5 °.Second reflecting surface 12 is curved surface,
And its distance with reflector axis is gradually small from top to bottom.
In the present embodiment, the reflecting surface of the wall of cup 1 also includes the 4th reflecting surface 14, and the 4th reflecting surface 14 is located at described
The downside of first reflecting surface 11, and the left and right ends of the 4th reflecting surface 14 are respectively the bottom of second reflecting surface 12, and divide
The second reflecting surface 12 is not accepted.
In the present embodiment, the reflecting surface of the wall of cup 1 is set to check face, with even light action.It is each in the check face
Grid surface 16 is non-coplanar with adjacent grid surface 16 respectively, and the outline of each grid surface is in shape changeable, specially quadrangle,
But it is not limited to this.In this way, each grid surface 16 is equivalent to small minute surface discrete one by one, with by light source luminescent point mirror image
Effect, the luminous point area for arriving whole observation is much larger, so as to improve the light efficiency of whole lamp.
When the present invention is applied, as shown in Figure 5, Figure 6, the light source 8 on circuit board 7 is inserted in the lower cup mouth 3 of reflector, light
When source 8 lights, its light projected enters in the range of the wall of cup 1 of reflector, and a part of light is directly from the upper cup of reflector
(itself and reflect the angle of cup axis be less than the angle of following first emergent lights and reflection cup axis) mouthfuls 2 is projected, remaining light is then
Projected after the reflecting surface of directive reflector, and the total reflection of reflected face from the upper rim of a cup 2 of reflector.Specifically, reflection of the invention
Cup to the reflection case of light as shown in Figure 5, Figure 6：The light of the first reflecting surface of directive 11 is through the primary event of the first reflecting surface 11
Afterwards from upper rim of a cup 2 project formed the first emergent light 4, first emergent light 4 be wide-angle light extraction, its with reflect cup axis angle
More than 45 °；The light of the second reflecting surface of directive 12 once or after secondary reflection from upper rim of a cup 2 projects formation through the second reflecting surface 12
Second emergent light 5, second emergent light 5 is low-angle light extraction, and it is less than or equal to 20 ° with reflecting the angle of cup axis；Directive
The light of 3rd reflecting surface 13 projects from upper rim of a cup 2 after the primary event of the 3rd reflecting surface 13 and forms the 3rd emergent light 6, the 3rd
Emergent light 6 is located at the inner side of the first emergent light 4；Directive second after the light of the reflecting surface 14 of directive the 4th reflects through the 4th reflecting surface 14
Reflecting surface 12, then projected after the primary event of the second reflecting surface 12 from upper rim of a cup 2.Reflector of the light of light source 8 from the present invention
Upper rim of a cup project after formed Hot Wheels hot spot, as shown in fig. 7, the number of first reflecting surface 11 is the fire in the hot spot
Take turns number.
Refer to shown in Fig. 8, Fig. 9, a kind of automobile signal light of the invention, including base 60, circuit board 50, mask 10,
Circuit board 50 is provided with LED 40, and circuit board 50 is arranged in base 60, and connects with stretching out the conductive wire harness 70 outside base 60
Connect, mask 10 is arranged on base 60；Also include the reflector for realizing wide-angle and low-angle light extraction described in any of the above-described
30, the reflector 30 is arranged between mask 10 and circuit board 50, and LED 40 is inserted in the lower cup mouth 3 of reflector 30.
In the present embodiment, the quantity of the LED 40 and reflector 30 is respectively multiple, and the two is corresponded；Also wrap
A supporting plate 20 is included, multiple reflectors 30 are integrally formed in the supporting plate 20, and in array distribution, and each reflector 30 has
There are identical angles.The positioning method of the supporting plate 20 is：The back side of supporting plate 20 provided with it is some set it is female in
Also some hollow legs are correspondingly provided with hollow leg, base 60, screw sequentially passes through the hollow leg of base 60, on circuit board 50
After the resigning through hole opened up, the hollow leg threaded engagement with the back side of supporting plate 20.Each bottom of reflector 30 in supporting plate 20
End and the top surface of circuit board 50 between have certain gap, be on the one hand conducive to assembling, on the other hand can separate reflector and
Circuit board, it is to avoid the heat transfer that circuit board work is produced to reflector and aggravate the degree of aging of reflector.Also, due to anti-
Penetrate and aluminium film is electroplate with cup, reflecting each has gap between cup bottom and board top surface, reflector can also be avoided straight
Connect and easily occur short circuit with circuit board contacts.
A kind of automobile signal light of the present invention, after above-mentioned reflector 30, results in wide-angle light extraction and low-angle
Light extraction, meets the requirement of car light regulation, and whole light effect is notable.
Embodiment two
Refer to shown in Figure 10, Figure 11, the difference of itself and embodiment one is：The quantity of first reflecting surface 11 is two
It is individual, and this two the first reflectings surface 11 are oppositely arranged.3rd reflecting surface 13, the quantity of boss 15 and the first reflecting surface 11
Quantity is equal.
Above-described embodiment is only used for further illustrating a kind of reflector for realizing wide-angle and low-angle light extraction of the present invention
And automobile signal light, but the invention is not limited in embodiment, every technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the modification made, each fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of reflector for realizing wide-angle and low-angle light extraction, including wall of cup, upper rim of a cup, lower cup mouth, the medial surface of wall of cup
Provided with reflecting surface；It is characterized in that：The reflecting surface includes the first reflecting surface being circumferentially sequentially distributed along wall of cup and the second reflection
Face, the first reflecting surface protrudes from the second reflecting surface, and the light through the first reflective surface projects to form the first outgoing from upper rim of a cup
Light, and wide-angle light extraction is realized, the light through the second reflective surface projects to form the second emergent light from upper rim of a cup, and realizes small
Angle light extraction.
2. the reflector according to claim 1 for realizing wide-angle and low-angle light extraction, it is characterised in that：The wall of cup
Reflecting surface also includes the 3rd reflecting surface, and the 3rd reflecting surface is located on the upside of the first reflecting surface, the left and right sides point of the 3rd reflecting surface
Not Wei second reflecting surface, and the 3rd reflecting surface is recessed with respect to the first reflecting surface, the second reflecting surface, through the 3rd reflection
The light of face reflection projects to form the 3rd emergent light from upper rim of a cup, and the 3rd emergent light is located on the inside of first emergent light.
3. the reflector according to claim 2 for realizing wide-angle and low-angle light extraction, it is characterised in that：Described 3rd is anti-
Penetrate the bottom in face and the top of the first reflecting surface and transition is carried out with boss.
4. the reflector according to claim 2 for realizing wide-angle and low-angle light extraction, it is characterised in that：Described first is anti-
The quantity for penetrating face is even number, and is uniformly distributed along the circumference of wall of cup, and two first adjacent reflectings surface are reflected by described second
Face is separated；The quantity of 3rd reflecting surface is equal with the quantity of the first reflecting surface, and corresponds up and down.
5. the reflector according to claim 2 for realizing wide-angle and low-angle light extraction, it is characterised in that：Described first is anti-
Face is penetrated to face directly, and is 0~5 ° with the angle that reflects cup axis, or, first reflecting surface is curved surface, and its upper and lower ends
Line with reflection cup axis angle be 0~5 °；3rd reflecting surface is 0 with the angle that reflects cup axis to face directly
~5 °, or, the 3rd reflecting surface is curved surface, and the angle of the line and reflection cup axis of its upper and lower ends is 0~5 °.
6. the reflector according to claim 2 for realizing wide-angle and low-angle light extraction, it is characterised in that：Outside the wall of cup
Side and first reflecting surface back to position it is recessed, the wall of cup lateral surface and the 3rd reflecting surface back to portion
Position is in outer gibbosity.
7. the reflector according to claim 1 for realizing wide-angle and low-angle light extraction, it is characterised in that：The wall of cup
Reflecting surface also includes the 4th reflecting surface, and the 4th reflecting surface is located on the downside of first reflecting surface, and a left side for the 4th reflecting surface
Right two ends are the bottom of second reflecting surface, and accept the second reflecting surface respectively.
8. the reflector according to claim 1 for realizing wide-angle and low-angle light extraction, it is characterised in that：The wall of cup
Reflecting surface all or it is local be set to check face, each grid surface in the check face is non-coplanar with adjacent grid surface respectively.
9. a kind of automobile signal light, including base, circuit board, mask, circuit board are provided with LED, circuit board is arranged on base
Interior, mask is arranged on base；It is characterized in that：Also include as any one of claim 1-8 realize wide-angle and
The reflector of low-angle light extraction, the reflector is arranged between mask and circuit board, and LED is inserted in the lower cup mouth of reflector.
10. automobile signal light according to claim 9, it is characterised in that：The LED and the quantity of reflector are respectively
It is multiple, and the two one-to-one corresponding；Also include a supporting plate, multiple reflectors are arranged in the supporting plate, and in array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140931.5A CN106979503B (en) | 2017-03-10 | 2017-03-10 | Reflection cup for realizing light emitting at large angle and small angle and automobile signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140931.5A CN106979503B (en) | 2017-03-10 | 2017-03-10 | Reflection cup for realizing light emitting at large angle and small angle and automobile signal lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979503A true CN106979503A (en) | 2017-07-25 |
| CN106979503B CN106979503B (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710140931.5A Active CN106979503B (en) | 2017-03-10 | 2017-03-10 | Reflection cup for realizing light emitting at large angle and small angle and automobile signal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979503B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020001413A1 (en) * | 2018-06-29 | 2020-01-02 | Valeo Ichikoh (China) Auto Lighting Co. Ltd | Light distribution member, lighting or signaling device and motor vehicle |
| CN110686214A (en) * | 2019-10-18 | 2020-01-14 | 天津工大海宇照明部品有限公司 | Automobile lamp photoelectric structure with partially foldable reflection cup |
| CN113328024A (en) * | 2021-05-18 | 2021-08-31 | 泉州三安半导体科技有限公司 | Semiconductor light emitting device |
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| Publication number | Publication date |
|---|---|
| CN106979503B (en) | 2023-09-05 |
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