CN209587935U - Automobile short-distance projection lamp - Google Patents
Automobile short-distance projection lamp Download PDFInfo
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- CN209587935U CN209587935U CN201920365006.7U CN201920365006U CN209587935U CN 209587935 U CN209587935 U CN 209587935U CN 201920365006 U CN201920365006 U CN 201920365006U CN 209587935 U CN209587935 U CN 209587935U
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Abstract
The utility model provides a kind of automobile short-distance projection lamp, as automobile front lamp, it is mounted in the lamp position of the short-distance projecting lamp of automobile, it include: fixed cell comprising cylinder is arranged on cylinder body outer wall for by fixing piece that cylinder is fixed in projection lamp lamp position and the baffle being arranged on cylinder inboard wall；Light-emitting units are fixed on one end of cylinder, for projecting light；Reflector element is fixed on the other end of cylinder, is used for reflected light；And luminescence unit, it is mounted at the reflection kernel of reflector element, for shining, wherein baffle has the light distribution surface for reflected light, and for light distribution surface towards luminescence unit, light distribution surface is folding face.Automobile short-distance projection lamp provided by the utility model, which improves the utilization rate of light and efficiently solves the part light that cannot be projected, also reduces the cost of production projection lamp in addition, being folding face because of light distribution surface to the damage of the aluminium coated of automobile short-distance projection lamp.
Description
Technical field
The utility model relates to field of light fittings, and in particular to a kind of automobile short-distance projection lamp.
Background technique
Automobile short-distance projection lamp is mounted on automobile front, and driver generally requires to open dipped beam projection in running automobile
The road in lamp viewing front.
Traditional automobile short-distance projection lamp will will increase plate washer to meet light distribution light type inside automobile short-distance projection lamp
Structure, this plate washer can make the light type of dipped headlight meet laws and regulations requirement, but bring is as following drawbacks: (1) portion that light source issues
Light splitting is blocked by baffle and can not be projected by convex lens, and the energy is wasted；(2) the part light that can not be projected is in short-distance projecting lamp
The structure generated heat and then damaged in short-distance projecting lamp can be accumulated；(3) since cannot being projected by convex lens for part light is led
Automobile short-distance projection brightness is caused to reduce.
The patent of Publication No. CN201628157U discloses a kind of automobile short-distance projection lamp.The upper auxiliary of the patent reflects
Mirror is in spherical shell face, which manufactured by the mold of profession, and the such mold cost of manufacture is especially high, than one
As die cost it is much higher, this often brings financial difficulty to company.
The patent of Publication No. CN203115780U discloses a kind of short-distance projecting lamp, but reflective surface is provided with zigzag
Or columnar decorative pattern.Such structure is unfavorable for the effective use of light.
The patent of Publication No. CN202165966U discloses a kind of compact type short-distance projecting lamp for vehicle.The structure of the lamp is multiple
Miscellaneous, production and installation are all inconvenient.
The patent of Publication No. CN201507867U discloses automobile headlight low beam projection lamp.The built-in reflective mirror of the lamp
For cambered surface, cambered surface is produced by mold manufacture, and it is very high to design and manufacture such die cost.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of automobile short-distance projection lamp,
The structure of light distribution surface in the lamp is simple, production cost is low and high to the effective rate of utilization of light.
To achieve the above objectives, the technical scheme adopted by the utility model is that:
A kind of automobile short-distance projection lamp characterized by comprising
Fixed cell comprising cylinder is arranged on cylinder body outer wall for cylinder to be fixed on consolidating in projection lamp lamp position
The baffle determining part and being arranged on cylinder inboard wall；
Light-emitting units are fixed on one end of cylinder, for projecting light；
Reflector element is fixed on the other end of cylinder, is used for reflected light；And
Luminescence unit is mounted at the reflection kernel of reflector element, for shining,
Wherein, baffle has the light distribution surface for reflected light,
Light distribution surface towards luminescence unit,
Light distribution surface is folding face.
Based on the above technical solution, wherein light-emitting units include convex lens and fixing sleeve,
Convex lens is installed on cylinder, the projecting surface of convex lens far from cylinder,
Fixing sleeve is set in the outer surface of convex lens, for convex lens to be fixed on cylinder, fixing sleeve have screw hole with
And bolt.
Based on the above technical solution, wherein cylinder has connector, and one end of connector has screw hole.
Based on the above technical solution, wherein the screw hole of screw bolt passes fixing sleeve, connector screw hole will be convex
Lens are fixed on cylinder.
Based on the above technical solution, wherein reflector element is reverberation bowl,
The outer wall of reverberation bowl is provided with fixing buckle,
Fixing buckle is buckled in the other end of connector, for the big opening end of reverberation bowl to be fixed on to the other end of cylinder.
Based on the above technical solution, wherein luminescence unit is mounted on the osculum end of reverberation bowl.
Based on the above technical solution, wherein light distribution surface is obliquely installed comprising first part, second part with
And Part III,
First part is the plane of quadrangle,
Second part is the plane with triangle, is connect with first part at obtuse angle,
Part III is the plane of quadrangle, is connect with first part at obtuse angle.
Based on the above technical solution, wherein light distribution surface may be paraboloid.
Based on the above technical solution, wherein the parabolical vertex where paraboloid is located at the axis of reverberation bowl
The underface of line,
The plane that the central axes of reverberation bowl and parabolical vertex are constituted is the first plane,
It crosses parabolical vertex and is the second plane perpendicular to the plane of the first plane.
Based on the above technical solution, wherein parabolical equation are as follows: Y=1/4X2, in formula, X indicates to throw
On object line o'clock to the second plane distance, Y indicate parabola on o'clock to the second plane distance.
Compared with the prior art, the advantages of the utility model are:
Automobile short-distance projection lamp in the utility model, because including fixed cell comprising cylinder is arranged outside cylinder
For by fixing piece that cylinder is fixed in projection lamp lamp position and the baffle being arranged on cylinder inboard wall on wall；Light-emitting units,
It is fixed on one end of cylinder, for projecting light；Reflector element is fixed on the other end of cylinder, is used for reflected light；And it shines single
Member is mounted at the reflection kernel of reflector element, for shining, wherein baffle has the light distribution surface for reflected light, light distribution surface
Towards luminescence unit, light distribution surface is folding face.So automobile short-distance projection lamp provided by the utility model can greatly improve light source
From the injection rate in convex lens, most light that light source issues can be projected the light of sending by convex lens, improve light
Utilization rate, efficiently solve the damage of the part light that cannot project to the aluminium coated of automobile short-distance projection lamp.In addition because matching
Smooth surface is folding face, also reduces the cost of production projection lamp.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automobile short-distance projection lamp in the utility model embodiment；
Fig. 2 is the structural schematic diagram of automobile short-distance projection lamp in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the fixed cylinder in the utility model embodiment in automobile short-distance projection lamp；And
Fig. 4 is that light projects structural schematic diagram in automobile short-distance projection lamp in the utility model embodiment.
In figure: 1- fixed cell, 2- light-emitting units, 3- reflector element, 4- luminescence unit, 11- cylinder, 12- fixing piece,
13- baffle, 21 convex lenses, 22- fixing sleeve, 31- fixing buckle, 111- connector, 131- light distribution surface, 221- bolt, 1311- first
Part, 1312- second part, 1313- Part III.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Embodiment 1
Fig. 1 is the structural schematic diagram of automobile short-distance projection lamp in the utility model embodiment；Fig. 2 is the utility model implementation
The structural schematic diagram of automobile short-distance projection lamp in example；Fig. 3 is the fixation in the utility model embodiment in automobile short-distance projection lamp
The structural schematic diagram and Fig. 4 of cylinder are that light projects structural schematic diagram in automobile short-distance projection lamp in the utility model embodiment.
As shown in Figures 1 to 4, a kind of automobile short-distance projection lamp is present embodiments provided, automobile front lamp, installation are used as
In the lamp position of the short-distance projecting lamp of automobile, comprising: fixed cell 1, light-emitting units 2, reflector element 3 and luminescence unit 4.
Fixed cell 1 comprising cylinder 11, fixing piece 12 and baffle 13.
Cylinder 11, cylinder 11 are made of ALDC12 material, have connector 111, and one end of connector 111 has spiral shell
Hole.
Fixing piece 12 is arranged on 11 outer wall of cylinder, for cylinder 11 to be fixed on projection lamp lamp position.
Baffle 13 is arranged on 11 inner wall of cylinder, and baffle 13 is made of ALDC12 material, has matching for reflected light
Smooth surface 131, for light distribution surface 131 towards luminescence unit 4 and positioned at the lower section of reverberation bowl central axes, light distribution surface 131 is folding face.
Light distribution surface 131 is obliquely installed comprising first part 1311, second part 1312 and Part III 1313.
First part 1311 is the plane of quadrangle.
Second part 1312 is the plane with triangle, is connect with first part 1311 at obtuse angle, in the present embodiment
Obtuse angle is 150 degree.
Part III 1313 is the plane of quadrangle, is connect with first part 1311 at obtuse angle, in the present embodiment obtuse angle
It is 150 degree.
Light-emitting units 2 are fixed on one end of cylinder 11, and for projecting light, light-emitting units 2 include convex lens 21 and fix
Set 22.
Convex lens 21 is installed on cylinder 11, and the projecting surface of convex lens 21 is far from cylinder 11.
Fixing sleeve 22 is set in the outer surface of convex lens 21, for convex lens 21 to be fixed on cylinder 11, fixing sleeve 22
With screw hole and bolt 221.
Bolt 221 sequentially passes through the screw hole of fixing sleeve 22, convex lens 21 is fixed on cylinder 11 by the screw hole of connector 111
On.
Reflector element 3 is fixed on the other end of cylinder 11, is used for reflected light, and reflector element 3 is reverberation bowl, reverberation bowl
Outer wall is provided with fixing buckle 31.
Fixing buckle 31 is buckled in the other end of connector 111, for the big opening end of reverberation bowl to be fixed on the another of cylinder 11
End.
Luminescence unit 4 is mounted at the reflection kernel at the osculum end of reverberation bowl, for shining.
Automobile short-distance projection lamp working principle provided in this embodiment is as follows:
The light that luminescence unit 4 issues is reflected from convex lens 21 by two different paths.
First via (not shown): the light that luminescence unit 4 issues reflexes to convex lens 21 by reverberation bowl, and convex lens 21 is to this
Light projects after being reflected.
Second tunnel: the light that luminescence unit 4 issues passes through to be reflexed in the light distribution surface 131 of baffle 13 i.e. for the first time by penetrating bowl
The light is reflexed to reverberation bowl i.e. the second secondary reflection by reflection, light distribution surface 131 again, reverberation bowl will change light reflex to again it is convex
Lens 2 are third secondary reflection, and convex lens 21 projects after reflecting to the light.
In the present embodiment, the effective rate of utilization of light effectively increases 41%.
Embodiment 2
The present embodiment is that the light distribution surface 131 in embodiment 1 is changed to curved surface by folding face, it is other then in embodiment 1
It is identical.
In the present embodiment, the parabolical vertex where paraboloid is located at the underface of the central axes of reverberation bowl, reflection
The plane that the central axes and parabolical vertex of bowl are constituted is the first plane, excessively parabolical vertex and perpendicular to the first plane
Plane is the second plane.
Based on the above technical solution, wherein parabolical equation are as follows: Y=1/4X2, in formula, X indicates to throw
On object line o'clock to the second plane distance, Y indicate parabola on o'clock to the second plane distance.
In addition, at this point, it is Y=1/2X that reverberation bowl, which is by equation,2Certain on the central axes where projection lamp of parabola
It is a little vertex, the paraboloid made of the rotation of central axes.
When light distribution surface 131 is paraboloid, the effective rate of utilization of light effectively increases 68%.
The action and effect of embodiment:
Automobile short-distance projection lamp in the utility model, because including fixed cell comprising cylinder is arranged outside cylinder
For by fixing piece that cylinder is fixed in projection lamp lamp position and the baffle being arranged on cylinder inboard wall on wall；Light-emitting units,
It is fixed on one end of cylinder, for projecting light；Reflector element is fixed on the other end of cylinder, is used for reflected light；And it shines single
Member is mounted at the reflection kernel of reflector element, for shining, wherein baffle has the light distribution surface for reflected light, light distribution surface
Towards luminescence unit, light distribution surface is folding face.So automobile short-distance projection lamp provided by the utility model can greatly improve light source
From the injection rate in convex lens, most light that light source issues can be projected the light of sending by convex lens, improve light
Utilization rate, efficiently solve the damage of the part light that cannot project to the aluminium coated of automobile short-distance projection lamp.In addition because matching
Smooth surface is folding face, relative to curved surface, reduces the cost for designing and producing the light distribution surface.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products out, however, make any variation in its shape or structure, it is all to have and the utility model phase
Same or similar technical solution, within its protection scope.
Claims (10)
1. a kind of automobile short-distance projection lamp characterized by comprising
Fixed cell (1) comprising cylinder (11) is arranged on the cylinder (11) outer wall for the cylinder (11) are fixed
In the fixing piece (12) in projection lamp lamp position and the baffle (13) being arranged on the cylinder (11) inner wall；
Light-emitting units (2), are fixed on one end of the cylinder (11), for projecting light；
Reflector element (3), is fixed on the other end of the cylinder (11), is used for reflected light；
And luminescence unit (4), it is mounted at the reflection kernel of the reflector element (3), for shining,
Wherein, the baffle (13) has the light distribution surface (131) for reflected light,
The light distribution surface (131) towards the luminescence unit (4),
The light distribution surface (131) is folding face.
2. projection lamp as described in claim 1, it is characterised in that:
Wherein, the light-emitting units (2) include convex lens (21) and fixing sleeve (22),
The convex lens (21) is installed on the cylinder (11), and the projecting surface of the convex lens (21) is far from the cylinder
(11),
The fixing sleeve (22), is set in the outer surface of the convex lens (21), for the convex lens (21) to be fixed on institute
It states on cylinder (11), the fixing sleeve (22) has screw hole and bolt (221).
3. projection lamp as claimed in claim 2, it is characterised in that:
Wherein, the cylinder (11) has connector (111),
One end of the connector (111) has screw hole.
4. projection lamp as claimed in claim 3, it is characterised in that:
Wherein, the bolt (221) sequentially passes through the screw hole of the screw hole of the fixing sleeve (22), the connector (111) for institute
Convex lens (21) is stated to be fixed on the cylinder (11).
5. projection lamp as claimed in claim 3, it is characterised in that:
Wherein, the reflector element (3) is reverberation bowl,
The outer wall of the reverberation bowl is provided with fixing buckle (31),
The fixing buckle (31) is buckled in the other end of the connector (111), for the big opening end of the reverberation bowl to be fixed on
The other end of the cylinder (11).
6. projection lamp as claimed in claim 5, it is characterised in that:
Wherein, the luminescence unit (4) is mounted on the osculum end of the reverberation bowl.
7. projection lamp as described in claim 1, it is characterised in that:
Wherein, light distribution surface (131) is obliquely installed comprising first part (1311), second part (1312) and Part III
(1313),
First part (1311) is the plane of quadrangle,
Second part (1312) is the plane with triangle, is connect with first part (1311) at obtuse angle,
Part III (1313) is the plane of quadrangle, is connect with first part (1311) at obtuse angle.
8. projection lamp as claimed in claim 5, it is characterised in that:
Wherein, the light distribution surface (131) or paraboloid.
9. projection lamp as claimed in claim 8, it is characterised in that:
Wherein, the parabolical vertex where the paraboloid is located at the underface of the central axes of the reverberation bowl,
The plane that the central axes of the reverberation bowl and the parabolical vertex are constituted is the first plane,
It crosses the parabolical vertex and is the second plane perpendicular to the plane of first plane.
10. projection lamp as claimed in claim 9, it is characterised in that:
Wherein, the parabolical equation are as follows: Y=1/4X2,
In formula, X indicates the point on the parabola to the distance of second plane, and Y indicates that the point on the parabola arrives
The distance of second plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920365006.7U CN209587935U (en) | 2019-03-21 | 2019-03-21 | Automobile short-distance projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920365006.7U CN209587935U (en) | 2019-03-21 | 2019-03-21 | Automobile short-distance projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587935U true CN209587935U (en) | 2019-11-05 |
Family
ID=68374908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920365006.7U Active CN209587935U (en) | 2019-03-21 | 2019-03-21 | Automobile short-distance projection lamp |
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| Country | Link |
|---|---|
| CN (1) | CN209587935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953547A (en) * | 2019-12-10 | 2020-04-03 | 东风汽车有限公司 | Thick-wall part for vehicle lamp and vehicle lamp |
-
2019
- 2019-03-21 CN CN201920365006.7U patent/CN209587935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953547A (en) * | 2019-12-10 | 2020-04-03 | 东风汽车有限公司 | Thick-wall part for vehicle lamp and vehicle lamp |
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