CN208750634U - A kind of optical projection structure - Google Patents
A kind of optical projection structure Download PDFInfo
- Publication number
- CN208750634U CN208750634U CN201821009659.3U CN201821009659U CN208750634U CN 208750634 U CN208750634 U CN 208750634U CN 201821009659 U CN201821009659 U CN 201821009659U CN 208750634 U CN208750634 U CN 208750634U
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- CN
- China
- Prior art keywords
- light
- light guide
- penetrating panel
- layer
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 230000000903 blocking effect Effects 0.000 claims abstract description 51
- 230000000149 penetrating effect Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 43
- 230000011514 reflex Effects 0.000 claims description 13
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 241001465382 Physalis alkekengi Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of optical projection structures.The optical projection structure includes having the light penetrating panel of the shell of installation cavity on the shell with dress, and outside light guide, the first light blocking part, the second light blocking part, middle part light guide plate are equipped between the installation cavity and light penetrating panel of the shell；The light issued out of shell installation cavity passes through outside light guide guiding and projects from light penetrating panel, and/or after outside light guide is directed to the first light blocking part, is projected by the guiding of middle part light guide plate from light penetrating panel.The optical projection structure of the utility model reduces the distributed quantity of light source, while diversified light guide effect may be implemented, and light source consistency is good.
Description
Technical field
The utility model relates to a kind of optical projection structures, belong to field of light fittings, are particularly suitable as automobile lamp.
Background technique
The optical texture of automobile lamp is the most important components of car light, it decide the light emitting species of final lamps and lanterns with
And luminous aesthetic beauty, beauty and optical property of optical design Rationality relationship to lamps and lanterns etc..It is special to reach
The illumination effect of moulding is traditionally exactly that a considerable amount of LED light sources is needed to realize, leads to that the cost is relatively high.
Utility model content
For the diversified development trend of lamp light styling, the utility model is intended to provide a kind of optical projection structure, the light
The distributed quantity of light source can be reduced by learning projective structure, while diversified light guide effect may be implemented, and light source consistency is good.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of optical projection structure, including the light penetrating panel of shell and dress on the shell with installation cavity, structure is special
Point be equipped between the installation cavity and light penetrating panel of the shell outside light guide, the first light blocking part, the second light blocking part, in
Portion's light guide plate；The light issued out of shell installation cavity passes through outside light guide guiding and projects from light penetrating panel, and/or by outer
After side light guide is directed to the first light blocking part, projected by the guiding of middle part light guide plate from light penetrating panel.
In this way, the light that light source generates passes through outside light guide guiding, projected after can directly reflecting by light penetrating panel,
It is reflexed in the light guide plate of middle part after can also reflecting by the first light blocking part, then is projected from light penetrating panel.
Embodiment according to the present utility model can also make further optimization to the utility model, and the following are after optimization
The technical solution of formation:
Preferably, second light blocking part is between outside light guide and middle part light guide plate, second light blocking part, in
Portion's light guide plate and light penetrating panel from-inner-to-outer sequence are arranged.Reflexing in this way can be preferably light-blocking by second in the light guide plate of middle part
Part projects after reflexing to light penetrating panel.Second light blocking part is mainly used to prevent the direct light (Qiang Guang) of middle part light source, allow light more
Uniformly.
For the ease of leaded light, the outside light guide includes the discshaped body of central concave, and is arranged in discshaped body
The card slot of periphery；The card slot is for installing the first light blocking part.Come in this way, outside light guide can be guided over by the first light blocking part
Light reflex to middle part light guide plate in.
It is reflected away in order to which the light that light source generates preferably is passed through outside light guide, the back of the discshaped body periphery
Face is coated with layer of reflective material, and the light which is used to be guided over outside light guide reflexes to the first light blocking part
Or it directly reflexes on light penetrating panel.It is highly preferred that the layer of reflective material include cyclic annular setting the first layer of reflective material and
Positioned at the first layer of reflective material inside and the second layer of reflective material of cyclic annular setting, wherein the first layer of reflective material and the second reflection
Material layer is in 45 ° of angles with the axial line of outside light guide；First layer of reflective material is for guiding outside light guide
The light to come over directly reflexes on light penetrating panel, and the light that second layer of reflective material is used to be guided over outside light guide to come is anti-
It is incident upon on the first light blocking part.In this way, by outside light guide be guided over Lai light divide two-way to reflect away, all the way directly reach light transmission
Panel is reflexed in the light guide plate of middle part by the first light blocking part after another way reflection, then projected from light penetrating panel.
Preferably, first light blocking part is located on the outside of the second layer of reflective material, and the light of the second layer of reflective material reflection
Line reflexes to middle part light guide plate by the first light blocking part.
In order to facilitate fixed light penetrating panel, the peripheral region of the shell is equipped with panel mounting groove, the week of the light penetrating panel
Edge has the interconnecting piece extended to shell side, and the interconnecting piece is mounted in the panel mounting groove and by light penetrating panel and outside
Shell assembling is fixed together.
In order to be fixed with the cricoid third light blocking part positioned at light penetrating panel peripheral part on the light penetrating panel.
Preferably, the shell is made of lighttight black material.
In order to facilitate moulding, while guide-lighting efficiency is improved, the outside light guide and middle part light guide plate are by PMMA material
It is made.
The utility model is the Polymethyl methacrylate using PMMA(organic glass) material injection realizes
Complicated light guide structure form, while reducing the distributed quantity of LED light source, in addition, being realized by way of seperated leaded light
Diversified light guide effect.
Compared with prior art, the utility model has the beneficial effects that
The utility model improves the refractive intensity of light, improves the brightness value of whole lamps and lanterns.
The utility model reduces the quantity of LED light source, reduces costs.
The utility model realizes the consistency of whole lamp illumination effect, and light is more evenly.
The structural strength of the utility model lamps and lanterns is fine, and sealing performance is also fine.
Detailed description of the invention
Fig. 1 is the vertical section structure schematic diagram of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of outside light guide in Fig. 1；
Fig. 3 is that a kind of optical path of embodiment of the utility model moves towards schematic diagram；
Fig. 4 is a kind of appearance diagram of embodiment of the utility model；
Fig. 5 is the front view of Fig. 4.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
A kind of optical projection structure, including shell 4 and light penetrating panel 2 with installation cavity, the installation cavity of the shell 4 with
Outside light guide 5, the first light blocking part 1, the second light blocking part 7, middle part light guide plate 6 are installed between light penetrating panel 2；The second gear
Light part 7 is between outside light guide 5 and middle part light guide plate 6, second light blocking part 7, middle part light guide plate 6 and light penetrating panel 2
From-inner-to-outer sequence is arranged.
First light blocking part 1 is made of the material of high reflectance, and main function is for refraction of light path, i.e. optical path guides.
Second light blocking part 7 is made of the material of high reflectance, main function first is that stop light source direct light (in order to sending light more
It is soft more evenly, need to cover strong light), another effect be increase middle part light guide plate optical index improve light-out effect.
The outside light guide 5 includes the discshaped body of central concave 51, and the card slot of discshaped body periphery is arranged in
52；The card slot 52 is for installing the first light blocking part 1.
As shown in figure 3, the backside coating of the discshaped body periphery has layer of reflective material, which is used for will be outer
Side light guide 5 is guided over the light come and reflexes on the first light blocking part 1 or directly reflex on light penetrating panel 2.The reflecting material
Layer includes the first layer of reflective material 53 of cyclic annular setting and positioned at the second anti-of 53 inside of the first layer of reflective material and cyclic annular setting
Material layer 54 is penetrated, wherein the first layer of reflective material 53 and the second layer of reflective material 54 are in 45 ° with the axial line of outside light guide 5
Angle.The light that first layer of reflective material 53 is used to be guided over outside light guide 5 to come directly reflexes to light penetrating panel 2,
The light that second layer of reflective material 54 is used to be guided over outside light guide 5 reflexes to the first light blocking part 1.Described first
Light blocking part 1 is located at 54 outside of the second layer of reflective material, and the light of the second layer of reflective material 54 reflection is anti-by the first light blocking part
It is incident upon middle part light guide plate 6.In this way, being divided into two-way from the light that 4 installation cavity inner light source 8 of shell issues, all the way by outside leaded light
The guiding of part 5 is projected from light penetrating panel 2, and another way is after outside light guide 5 is directed to the first light blocking part 1, by middle part light guide plate 6
Guiding is projected from light penetrating panel 2.
In order to facilitate the assembling for realizing light penetrating panel 2 and shell 4, the peripheral region of the shell 4 is equipped with panel mounting groove 41,
The periphery of the light penetrating panel 2 has the interconnecting piece 11 extended to 4 side of shell, and the interconnecting piece 11 is mounted on the panel peace
Light penetrating panel 2 and the assembling of shell 4 are fixed together in tankage 41.
In order to generate light and shade subregion, the cricoid third positioned at 2 peripheral part of light penetrating panel is fixed on the light penetrating panel 2
Light blocking part 3.Third light blocking part 3 is pasted on light penetrating panel 2 by 3M double faced adhesive tape.In the present embodiment, the master of third light blocking part 3
Acting on is the fancy light type for obstructing aperture and being formed by various patterns with middle part light guide plate, can produce apparent light and shade subregion,
Form the effect of figure in frame.
In order to improve modeling effect, the outside light guide 5 and middle part light guide plate 6 are made of PMMA material.
When assembly, according to outside light guide 5, the first light blocking part 1, the second light blocking part 7, middle part light guide plate 6 sequence successively
It is put into shell 4, these components are the superposition of zero patch.The zero patch superposition refers to dependence outside light guide 5, the first light blocking part
1, the border boundary and shell 4 of the second light blocking part 7 and middle part light guide plate 6 carry out X and Y-direction limits, and fold using with the Z-direction of shell 4
Add face to carry out Z-direction limit.
Finally it is loaded into the formation of shell 4 of the first light blocking part 1, outside light guide 5, middle part light guide plate 6, the second light blocking part 7
Combined article with stick third light blocking part 3 light penetrating panel 2 combined article carry out ultrasonic bonding, ultimately form lamps and lanterns.
Shell 4 is made of lighttight black material, and main function is first is that holding for each light guide and light blocking part
It carries and fixed, the other is preventing inessential light-emitting surface from generating light leakage.
Since the main component of the present embodiment uses injection molding part, the Shooting Technique country is very mature, without any technology
Risk, manufacturing cost are low.
This injection molding light guide increases anaclasis effect coating in plane of refraction, and the refractive intensity of light can be improved, and improves whole
The brightness value of lamps and lanterns.
Using the PMMA material of optical grade, changeable modeling effect is realized, reduce the quantity of LED light source, reduce costs.
The light guide of the present embodiment is designed to that two parts shine, and outside light guide member and middle part light guide plate combination form, in
Subordinate side, which installs light insulation pad additional, prevents extra veiling glare from importing, and the consistency of whole lamp illumination effect is realized with this；By being designed to two
Distribute light, outside leaded light can form annular aperture, and middle part light guide plate can form the fancy light type of various patterns, form figure in frame
Effect.Second light blocking part 7 is mainly used to prevent the direct light (Qiang Guang) of middle part light source, allow light more evenly.
Outside limits light conducting direction also with light-blocking member in the light guide of the present embodiment, while penetrating outer transmission element
To realize its optical effect.
The light guide of the present embodiment is built in light-blocking member and light transparent member, passes through the super of light-blocking member and light transparent member
Sonic welding, which fetches, realizes dust-proof, waterproof, and welding procedure is mature simple, and intensity is fine, and sealing performance is also fine.
The optical projection structure of the utility model is different from conventional optical arrangement, reduces LED quantity using light guide,
Not only reduce the development cost of whole lamp, and the LED expense that is welded is also seldom, improves the consistency of light source.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (10)
1. a kind of optical projection structure, including the shell (4) with installation cavity and the light penetrating panel (2) on shell (4),
It is characterized in that, outside light guide (5), the first light blocking part is installed between the installation cavity and light penetrating panel (2) of the shell (4)
(1), the second light blocking part (7), middle part light guide plate (6)；The light issued in from shell (4) installation cavity passes through outside light guide (5)
Guiding is projected from light penetrating panel (2), and/or after outside light guide (5) is directed to the first light blocking part (1), by middle part leaded light
Plate (6) guiding is projected from light penetrating panel (2).
2. optical projection structure according to claim 1, which is characterized in that second light blocking part (7) is led positioned at outside
Between light part (5) and middle part light guide plate (6), second light blocking part (7), middle part light guide plate (6) and light penetrating panel (2) from interior and
Outer sequence arrangement.
3. optical projection structure according to claim 1, which is characterized in that the outside light guide (5) includes central fovea
The discshaped body of (51) is fallen into, and the card slot (52) of discshaped body periphery is set；The card slot (52) is for installing first gear
Light part (1).
4. optical projection structure according to claim 3, which is characterized in that the backside coating of the discshaped body periphery has
Layer of reflective material, the light which is used to be guided over outside light guide (5) reflex on the first light blocking part (1) or
Directly reflex on light penetrating panel (2).
5. optical projection structure according to claim 4, which is characterized in that the layer of reflective material includes cyclic annular setting
First layer of reflective material (53) and the second layer of reflective material (54) for being located at the first layer of reflective material (53) inside and cyclic annular setting,
Wherein the first layer of reflective material (53) and the second layer of reflective material (54) are in 45 ° of angles with the axial line of outside light guide (5)；
The light that first layer of reflective material (53) is used to be guided over outside light guide (5) to come directly reflexes to light penetrating panel (2),
The light that second layer of reflective material (54) is used to be guided over outside light guide (5) reflexes to the first light blocking part (1).
6. optical projection structure according to claim 5, which is characterized in that it is anti-that first light blocking part (1) is located at second
It penetrates on the outside of material layer (54), and the light of the second layer of reflective material (54) reflection reflexes to middle part light guide plate by the first light blocking part
(6).
7. optical projection structure according to claim 1 to 6, which is characterized in that the periphery of the shell (4)
Place is equipped with panel mounting groove (41), and the periphery of the light penetrating panel (2) has the interconnecting piece (11) extended to shell (4) side,
The interconnecting piece (11) is mounted in the panel mounting groove (41) and light penetrating panel (2) and shell (4) assembling is fixed on one
It rises.
8. optical projection structure according to claim 1 to 6, which is characterized in that on the light penetrating panel (2)
It is fixed with the cricoid third light blocking part (3) positioned at light penetrating panel (2) peripheral part.
9. optical projection structure according to claim 1 to 6, which is characterized in that the shell (4) is impermeable
The black material of light is made.
10. optical projection structure according to claim 1 to 6, which is characterized in that the outside light guide (5)
It is made with middle part light guide plate (6) of PMMA material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009659.3U CN208750634U (en) | 2018-06-28 | 2018-06-28 | A kind of optical projection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821009659.3U CN208750634U (en) | 2018-06-28 | 2018-06-28 | A kind of optical projection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750634U true CN208750634U (en) | 2019-04-16 |
Family
ID=66054363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821009659.3U Expired - Fee Related CN208750634U (en) | 2018-06-28 | 2018-06-28 | A kind of optical projection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635843A (en) * | 2021-07-12 | 2021-11-12 | 宁波信泰机械有限公司 | Luminous sign of car and mounting structure of luminous sign of car |
-
2018
- 2018-06-28 CN CN201821009659.3U patent/CN208750634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635843A (en) * | 2021-07-12 | 2021-11-12 | 宁波信泰机械有限公司 | Luminous sign of car and mounting structure of luminous sign of car |
| CN113635843B (en) * | 2021-07-12 | 2025-01-21 | 宁波信泰机械有限公司 | Automobile luminous sign and installation structure of automobile luminous sign |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |