CN220851865U - Secondary optical system - Google Patents
Secondary optical system Download PDFInfo
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- CN220851865U CN220851865U CN202322800388.0U CN202322800388U CN220851865U CN 220851865 U CN220851865 U CN 220851865U CN 202322800388 U CN202322800388 U CN 202322800388U CN 220851865 U CN220851865 U CN 220851865U
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- Prior art keywords
- wall thickness
- thickness member
- led lamp
- optical wall
- lamp panel
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- 230000003287 optical effect Effects 0.000 title claims abstract description 165
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 241000258971 Brachiopoda Species 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to the technical field of car lamps, and discloses a secondary optical system, which comprises: the LED lamp panel is used for emitting light; the inner optical wall thickness member and the outer optical wall thickness member are stacked, so that the condenser 27 of the inner optical wall thickness member corresponds to the LED lamp on the LED lamp panel, the outer optical wall thickness member is arranged on one side of the inner optical wall thickness member, and light enters the outer optical wall thickness member for secondary guidance after being guided by the inner optical wall thickness member; and the bracket is arranged between the LED lamp panel and the inner-layer optical wall thickness member, a first positioning pin is arranged on the inner-layer optical wall thickness member, passes through a first positioning hole on the bracket, is positioned with the bracket, contacts with the LED lamp panel at one end passing through the bracket, and is provided with a first screw and a first positioning pin lock pair. The utility model has the technical effects of accurate positioning, strong shock resistance and no light leakage.
Description
Technical Field
The utility model relates to the technical field of car lamps, in particular to a secondary optical system.
Background
The implementation cost of the secondary optical system applied to the car lamp is higher than that of a common optical system, and the optical effect of the secondary optical system is higher than that of the common optical system, so the secondary optical system is generally applied to high-end car models.
The secondary optical system in the prior art consists of an outer-layer optical thick-wall part, an inner-layer optical thick-wall part and an LED lamp panel, wherein the two-layer optical thick-wall part is in an adjacent arrangement mode, and the LED lamp on the LED lamp panel corresponds to the condenser of the inner-layer optical thick-wall part.
At present, the secondary optical system has high requirements on light effect, so that the positioning accuracy is required between the center of the condenser of the inner-layer optical thick-wall member and the LED lamp, the primary optical system is ensured to meet the optical design requirement, and the inner-layer optical thick-wall member and the outer-layer optical thick-wall member are also required to be positioned accurately, thereby ensuring that the secondary optical system meets the optical design requirement.
The defects of the secondary optical system at present are as follows:
When the inner-layer optical thick-wall member is assembled with the LED lamp panel, positioning pins can be directly arranged on the optical thick-wall member for positioning, but weak light rays can be emitted from the positioning pins due to the fact that the optical thick-wall member is made of colorless transparent PC material, and light leakage of products can be caused if effective shading treatment is not carried out;
And secondly, the dead weight of the inner and outer thick-wall parts is larger, the uncertainty existing in the vibration state is larger than that of the common parts, and the problem of larger stress caused by the weight of the parts is solved.
Based on the above-mentioned drawbacks, the present application provides a secondary optical system for solving the drawbacks of the prior art.
Disclosure of utility model
The present utility model is directed to a secondary optical system for solving the above-mentioned problems.
The existing secondary optical system has the defects of light leakage and unstable assembly.
In order to solve the technical problems, the utility model provides a support which is introduced on the basis of the existing secondary optical system, is used as an intermediate structure of an inner optical wall thickness member and an LED lamp panel and used for positioning and connecting the inner optical wall thickness member and the LED lamp panel, so that light is prevented from leaking from the LED lamp panel, and a stable connecting structure between the inner optical wall thickness member and the outer optical wall thickness member is designed, so that the assembly position between the inner optical wall thickness member and the outer optical wall thickness member is prevented from being shifted in vibration.
Specifically, the utility model provides the following technical scheme: a secondary optical system.
The secondary optical system comprises an LED lamp panel, and the LED lamp panel is used for emitting light; the LED lamp panel also comprises an inner layer optical wall thickness part and an outer layer optical wall thickness part, wherein the inner layer optical wall thickness part is overlapped with the LED lamp panel, so that a condenser of the inner layer optical wall thickness part corresponds to the LED lamp on the LED lamp panel, the outer layer optical wall thickness member is arranged on one side of the inner layer optical wall thickness member, and light rays enter the outer layer optical wall thickness member for secondary guidance after being guided by the inner layer optical wall thickness member; the LED lamp panel is characterized by further comprising a support, wherein the support is arranged between the LED lamp panel and the inner-layer optical wall thickness member, a first positioning pin is arranged on the inner-layer optical wall thickness member, passes through a first positioning hole in the support and is positioned with the support, the first positioning pin is in contact with the LED lamp panel at one end passing through the support, and a first screw and a first positioning pin lock pair are arranged on the LED lamp panel.
Preferably, because the inner-layer optical thick-wall part and the LED lamp panel are not completely limited, the positioning between the LED lamp panel and the inner-layer optical thick-wall part is finally finished through the positioning support, and therefore a second positioning pin is arranged on one side, close to the LED lamp panel, of the support, a second positioning hole is formed in the LED lamp panel, the second positioning pin penetrates through the second positioning hole and is positioned with the LED lamp panel, namely, the accurate positioning of the support and the LED lamp panel is realized through the relation of the second positioning pin, and the accurate positioning of the inner-layer optical thick-wall part and the LED lamp panel is indirectly realized.
Preferably, a plurality of buckling female ends are arranged on one side, corresponding to the inner-layer optical wall thickness member, of the outer-layer optical wall thickness member in an extending mode, and are respectively connected with a plurality of buckling sub-ends arranged on the upper surface and the lower surface of the inner-layer optical wall thickness member, namely connection of the inner-layer optical wall thickness member and the outer-layer optical wall thickness member is achieved through the buckling female ends and the buckling sub-ends.
Preferably, a plurality of limiting protrusions are arranged on the upper surface and the lower surface of the inner-layer optical wall thickness member and used for limiting one side, close to the inner-layer optical wall thickness member, of the outer-layer optical wall thickness member, namely, the inner-outer optical wall thickness member is limited by the limiting protrusions, displacement, which is away from or close to each other, of the inner-outer optical wall thickness member in a horizontal plane is achieved under the matching effect of the snap-fit ends and the limiting protrusions, namely, positioning of the inner-outer optical wall thickness member in the X direction is achieved, and the horizontal plane is defined as the plane where the inner-outer optical wall thickness member is located.
Preferably, the upper end and the lower end of the inner-layer optical wall thickness member are provided with positioning columns, one side of the outer-layer optical wall thickness member, which corresponds to the inner-layer optical wall thickness member, is extended to be provided with positioning blocks, the positioning columns are arranged in grooves on the positioning blocks, and the inner-layer optical wall thickness member and the outer-layer optical wall thickness member cannot be mutually misplaced in a horizontal plane by utilizing the action of the positioning columns and the grooves, namely, the inner-layer optical wall thickness member and the outer-layer optical wall thickness member are positioned in the Y direction.
Preferably, the upper and lower end parts of the inner optical wall thickness member are provided with top ribs, one side of the outer optical wall thickness member corresponding to the inner optical wall thickness member is provided with a turned edge in an extending manner, the turned edge corresponds to the top ribs, the inner optical wall thickness member and the outer optical wall thickness member cannot be mutually misplaced in the vertical direction by the aid of the jacking effect of the top ribs on the turned edge, namely, the inner optical wall thickness member and the outer optical wall thickness member are positioned in the Z direction, and the vertical direction is defined as a direction perpendicular to a horizontal plane.
Preferably, the flanging of the outer-layer optical wall thickness member is provided with a second screw for connecting with the car lamp shell, the gravity of the outer-layer thick wall member is dispersed to the shell by utilizing the connection effect of the second screw, one end of the inner-layer optical wall thickness member, which is far away from the outer-layer optical wall thickness member, is provided with a screw column for connecting with the car lamp shell, and the inner-layer optical wall thickness member is connected with the car lamp shell by utilizing the screw column and the screw, so that the influence of the gravity of the inner-layer optical wall thickness member on the positioning system is dispersed; through the dispersion measure to heavy thick wall spare from gravity, further guarantee that location is accurate and be difficult for inefficacy between the inner and outer layer optical thick wall spare.
Compared with the prior art, the utility model has the following beneficial effects: according to the secondary optical system disclosed by the utility model, the positioning bracket is introduced, so that the mounting structure is only arranged in the flanging area of the optical thick-wall piece, no mounting structure exists on the substrate, and stray light caused by collective arrangement of the mounting structures after the secondary optical system is lightened is avoided; the positioning accuracy of the optical system and the positioning accuracy between the inner-layer optical thick-wall parts and the outer-layer optical thick-wall parts are also ensured; and stress caused by the self weight of the optical thick-wall part is dispersed, so that the optical system has strong impact resistance.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of a secondary optical system in an embodiment of the utility model;
FIG. 2 is an exploded view of a secondary optical system in an embodiment of the utility model;
in the figure:
the LED lamp panel 1, the second positioning hole 11 and the LED lamp 12;
The inner optical wall thickness member 2, the first positioning pin 21, the buckle sub-end 22, the limiting boss 23, the positioning column 24, the top rib 25, the screw column 26 and the condenser 27;
An outer layer optical wall thickness member 3, a snap-fit female end 31, a positioning block 32, and a flange 33;
A bracket 4, a first positioning hole 41, a second positioning pin 42;
A first screw 5;
A second screw 6.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: this example provides a best implementation of a secondary optical system.
Specifically, as shown in fig. 1 to 2, the optical system includes: the LED lamp panel 1 is used for emitting light; the LED lamp panel also comprises an inner-layer optical wall thickness member 2 and an outer-layer optical wall thickness member 3, wherein the inner-layer optical wall thickness member 2 is overlapped with the LED lamp panel 1, so that a condenser 27 of the inner-layer optical wall thickness member 2 corresponds to the LED lamp 12 on the LED lamp panel 1, the outer-layer optical wall thickness member 3 is arranged on one side of the inner-layer optical wall thickness member 2, and light enters the outer-layer optical wall thickness member 3 for secondary guidance after being guided by the inner-layer optical wall thickness member 2; the LED lamp panel is characterized by further comprising a support 4, wherein the support 4 is arranged between the LED lamp panel 1 and the inner-layer optical wall thickness member 2, a plurality of first positioning pins 21 are arranged on the inner-layer optical wall thickness member 2, the first positioning pins 21 are integrally formed with the inner-layer optical wall thickness member 2, pass through first positioning holes 41 on the support 4 to be positioned with the support 4, contact with the LED lamp panel 1 at one end passing through the support 4 and do not pass through the inner-layer optical wall thickness member 2, and the LED lamp panel 1 is provided with first screws 5 and first positioning pins 21 for locking, so that light rays are prevented from being emitted to other functional areas through the first positioning pins 21.
Further, a plurality of second locating pins 42 are arranged on one side, close to the LED lamp panel 1, of the support 4, the second locating pins 42 and the support 4 are integrally formed, second locating holes 11 are formed in the LED lamp panel 1, the second locating pins 42 penetrate through the second locating holes 11 and are located with the LED lamp panel 1, the second locating pins 42 comprise main locating pins and auxiliary locating pins and are used for limiting the LED lamp panel 1, the two main locating pins are located at the same side position of the LED lamp 12, the auxiliary locating pins are located at the other side position of the LED lamp 12, and accordingly assembly deviation caused by size gaps can be guaranteed to be in accordance with tolerance ranges of the LED light source center and optical thick-wall parts, and an optical system is enabled to be in accordance with optical design.
Further, a plurality of snap-fit female ends 31 are provided on the outer optical wall thickness member 3 and the inner optical wall thickness member 2, and are respectively connected with a plurality of snap-fit sub-ends 22 provided on the upper and lower surfaces of the inner optical wall thickness member 2.
Further, a plurality of limiting protrusions 23 are arranged on the upper surface and the lower surface of the inner layer optical wall thickness member 2, and are used for limiting one side, close to the inner layer optical wall thickness member 2, of the outer layer optical wall thickness member 3.
Further, positioning columns 24 are arranged at the upper end and the lower end of the inner-layer optical wall thickness member 2, positioning blocks 32 are arranged on the outer-layer optical wall thickness member 3 in an extending mode on the side corresponding to the inner-layer optical wall thickness member 2, and the positioning columns 24 are arranged in grooves in the positioning blocks 32.
Further, the upper and lower end portions of the inner optical wall thickness member 2 are provided with ribs 25, and the side of the outer optical wall thickness member 3 corresponding to the inner optical wall thickness member 2 is provided with flanges 33 in an extending manner, and the flanges 33 correspond to the ribs 25.
Further, the flange 33 of the outer optical wall thickness member 3 is provided with a second screw 6 for connection with the lamp housing, and the end of the inner optical wall thickness member 2 remote from the outer optical wall thickness member 3 is provided with a screw post 26 for connection with the lamp housing.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A secondary optical system, comprising:
the LED lamp panel is used for emitting light;
The inner optical wall thickness member and the outer optical wall thickness member are stacked, so that a condenser of the inner optical wall thickness member corresponds to an LED lamp on the LED lamp panel, the outer optical wall thickness member is arranged at one side of the inner optical wall thickness member, and light enters the outer optical wall thickness member for secondary guidance after being guided by the inner optical wall thickness member;
And the bracket is arranged between the LED lamp panel and the inner optical wall thickness member, a first positioning pin is arranged on the inner optical wall thickness member, passes through a first positioning hole on the bracket, is positioned with the bracket, and is contacted with the LED lamp panel at one end passing through the bracket, and a first screw and a first positioning pin lock pair are arranged on the LED lamp panel.
2. A secondary optical system according to claim 1, wherein: the LED lamp panel is characterized in that a second locating pin is arranged on one side, close to the LED lamp panel, of the support, a second locating hole is formed in the LED lamp panel, and the second locating pin penetrates through the second locating hole to achieve locating with the LED lamp panel.
3. A secondary optical system according to claim 1 or 2, characterized in that: the outer layer optical wall thickness member is provided with a plurality of buckling female ends which extend from one side corresponding to the inner layer optical wall thickness member and are respectively connected with a plurality of buckling sub-ends arranged on the upper surface and the lower surface of the inner layer optical wall thickness member.
4. A secondary optical system according to claim 3, wherein: and a plurality of limiting protrusions are arranged on the upper surface and the lower surface of the inner-layer optical wall thickness member and used for limiting one side, close to the inner-layer optical wall thickness member, of the outer-layer optical wall thickness member.
5. A secondary optical system as claimed in claim 4, wherein: the end parts of the upper surface and the lower surface of the inner-layer optical wall thickness member are provided with positioning columns, one side of the outer-layer optical wall thickness member, which corresponds to the inner-layer optical wall thickness member, is extended to be provided with a positioning block, and the positioning columns are arranged in grooves on the positioning block.
6. A secondary optical system as claimed in claim 5, wherein: the end parts of the upper surface and the lower surface of the inner-layer optical wall thickness part are provided with top ribs, one side of the outer-layer optical wall thickness part, which corresponds to the inner-layer optical wall thickness part, is extended to be provided with turned edges, and the turned edges correspond to the top ribs.
7. A secondary optical system as claimed in claim 6, wherein: the turn-ups of outer optics wall thickness spare are provided with the second screw that is used for being connected with the car light shell, the inlayer optics wall thickness spare is kept away from the one end of outer optics wall thickness spare is provided with the screw post that is used for being connected with the car light shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800388.0U CN220851865U (en) | 2023-10-19 | 2023-10-19 | Secondary optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800388.0U CN220851865U (en) | 2023-10-19 | 2023-10-19 | Secondary optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220851865U true CN220851865U (en) | 2024-04-26 |
Family
ID=90771447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322800388.0U Active CN220851865U (en) | 2023-10-19 | 2023-10-19 | Secondary optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220851865U (en) |
-
2023
- 2023-10-19 CN CN202322800388.0U patent/CN220851865U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |