CN109945124A - Multiple image drawing apparatus - Google Patents
Multiple image drawing apparatus Download PDFInfo
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- CN109945124A CN109945124A CN201811299449.7A CN201811299449A CN109945124A CN 109945124 A CN109945124 A CN 109945124A CN 201811299449 A CN201811299449 A CN 201811299449A CN 109945124 A CN109945124 A CN 109945124A
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- Prior art keywords
- lens
- drawing apparatus
- lamp
- light
- image
- 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.)
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- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 238000002834 transmittance Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000000758 substrate Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241001465382 Physalis alkekengi Species 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2800/00—Features related to particular types of vehicles not otherwise provided for
- B60Q2800/20—Utility vehicles, e.g. for agriculture, construction work
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
- F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of device that can clearly and simply describe multiple image on road surface, wall surface using cheap optical component.For motor vehicle drawing apparatus (11) has three lamp units (51,52,53) on the inside of lamp housing (12).Each lamp unit (51,52,53) include the light source (27) for generating visible light, the collector lens (28) for assembling the light from light source (27), the shading window (38) that the injections light of collector lens (28) is formed as to the image of required shape and by the image of formation to the projecting lens (48) projected in front of lamp, drawing apparatus (11) makes the multiple images projected from projecting lens (48) describe multiple image on road surface in same position overlapping.LED light source (27), collector lens (28), shading window (38), projecting lens (48) are disposed in the same position on the optical axis (51A, 52A, 53A) of lamp unit.
Description
Technical field
The present invention relates to a kind of devices for describing multiple image in road surface, wall surface etc. using multiple lamp units.
Background technique
Conventionally, there is known having the device of multiple lamp units on the inside of lamp housing.For example, recording in patent document 1
There is following device: configuring multiple lamp units in the inside of lamp housing, each lamp unit irradiates the dotted light being made of diffusion light, makes more
A dotted light overlapping, forms the light distribution patterns of reading in compartment.Following device is recorded in patent document 2: built-in
MEMS mirror is respectively set in the delineation unit of the headlamp of left and right, the light distribution patterns weight for generating each reflecting mirror respectively
It is folded, describe multiple image on the road surface of vehicle front.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2000-188002 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2017-107690 bulletin
Summary of the invention
Problem to be solved by the invention
However, according to the existing apparatus of patent document 1, due to being overlapped the dotted light being made of diffusion light, not only light distribution
The profile of pattern becomes unintelligible, and the shape of light distribution patterns is also limited to circle, can not describe the complicated shapes such as arrow, text.
In addition, though being able to use MEMS mirror to describe complicated multiple image, being existed according to the existing apparatus of patent document 2
Need control from being complicated such problems point using expensive optical component and for description.
For this purpose, the object of the present invention is to provide it is a kind of using cheap optical component can on road surface, wall surface it is bright
Device that is bright and clearly describing multiple image.
Means for solving the problems
In order to solve the above problems, drawing apparatus of the invention is characterized in that, has multiple lamps on the inside of lamp housing
Unit, each lamp unit include the light source for generating visible light, the first lens (collector lens) for assembling the light from light source, by the
The injection light of one lens is formed as the shading window (shade) of the image of required shape and throws the image of formation to lamp front
The second lens (projecting lens) penetrated, above-mentioned drawing apparatus make the multiple images from the second lens projects in roughly the same position weight
It folds and describes multiple image in front of lamp.
It in a preferred embodiment of the invention, will in order to be overlapped same position of the multiple images in front of lamp accurately
First lens, shading window and the second lens are disposed in the same position on the optical axis of multiple lamp units.Furthermore it is possible to be, with
So that optical axis direction parallel to each other configures multiple lamp units, and in each second lens set appropriate angle of flare so that
Multiple images are consistent in desired distance.Alternatively, be also possible to by make optical axis in lamp front cross in a manner of to incline each other
Oblique direction configures multiple lamp units.In addition, the optical axis of lamp unit refers to, whole light beams with the optical system by the unit
The consistent straight line of rotation axes of symmetry, such as refer to by the center of the light-emitting surface of LED light source and with relative to the light-emitting surface
The consistent straight line of vertical line.
Preferably, each constituent element integration that each lamp unit is made by share components, cuts down the number of packages of optical component,
Reduce assembly error.For example, can be integrally formed on the first lens pedestal that each lamp unit shares by multiple first lens.
In such a situation it is preferred that being formed on the first lens pedestal for limiting interfering with each other for light that adjacent the first lens project
Limiting wall.It is equally possible that multiple second lens are integrally formed on the second lens pedestal that each lamp unit shares.
In several embodiments of the invention, shading window, which has, to be formed on the barn door that multiple lamp units share
Transmittance section.As transmittance section, may be exemplified out by the injection light of the first lens be formed as regulation shape image opening portion or
Person's hyalomere.In this case, when barn door biggish using plate thickness, the marginal portion of the image gone out from the second lens projects
It is easy to become unintelligible.It is preferred, therefore, that barn door is covered using thin plate made of transparent resin, and using opaque coating
The surface of thin plate other than transmittance section.
Invention effect
Drawing apparatus according to the present invention, multiple lamp units are configured to, and make the image formed using shading window in identical bits
It sets overlapping and describes multiple image in front of lamp, therefore playing can be bright on road surface, wall surface using cheap optical component
It is bright and clearly describe multiple image as excellent effect.
Detailed description of the invention
Fig. 1 is the side view for indicating the fork truck of an embodiment of the invention.
Fig. 2 is the perspective view for indicating to be equipped on the drawing apparatus of fork truck.
Fig. 3 is the perspective view of exploded representation drawing apparatus.
Fig. 4 is the perspective view for indicating light source, collector lens and shading window.
Fig. 5 is the horizontal cross of drawing apparatus.
Fig. 6 is the vertical sectional view along the drawing apparatus of the X-X line of Fig. 5.
Fig. 7 is the process chart for indicating the production method of shading window.
Fig. 8 is the Action Specification figure of drawing apparatus.
Fig. 9 is the perspective view for indicating modification of the invention.
Description of symbols
1: fork truck；11: drawing apparatus；12: lamp housing；21: light source substrate；22: the first lens pedestals；23: barn door；
24: the second lens pedestals；27:LED light source；28: the collector lens as the first lens；29: limiting wall；38: shading window；39:
Opaque coating；48: the projecting lens as the second lens；51: lamp unit；52: lamp unit；53: lamp unit；G: multiple image；
R: road surface.
Specific embodiment
Hereinafter, being illustrated based on attached drawing to an embodiment of the invention.In drawing apparatus 11 shown in FIG. 1 has
It is equipped with the lamp housing 12 of multiple lamp units (illustration omitted) and lamp housing 12 is installed on to vehicle body (such as the roof frame of fork truck 1
Frame) 2 bracket 13, which describes on the road surface R in front of direction of travel for notifying the close multiple of fork truck 1
Image G.In addition, drawing apparatus 11 is not limited to the lamps and lanterns as fork truck 1, it is also used as civil construction vehicle, bus, multiplies
With various lamps and lanterns such as the lamps apparatus for vehicle of vehicle, rolling stock etc., aircraft, the lamps and lanterns of ship, street lamp, advertising lamps.
As shown in Figure 2 and Figure 3, lamp housing 12 is formed as box-shaped by the light metals material such as aluminium, in the length of its left and right sides
In slot 14, by screw 15 by angular adjustment freely in the way of be assembled with bracket 13.Side is installed in the rear and front end of lamp housing 12
Frame component 16,17, the inside of lamp housing 12 be accommodated with a pair of sealing element in front and back 18,19, cooling fin 20, light source substrate 21,
First lens pedestal 22, barn door 23 and the second lens pedestal 24.Moreover, by power cable 25 from light source substrate 21 via
Rear side edge frame member 16 is pulled out to lamp rear, the lens component of the second lens pedestal 24 front dew from preceding side frame component 17 to lamp
Out.
As shown in Figure 3, Figure 4, on light source substrate 21, three LED lights for generating visible light are abreast equipped with along left and right
Source 27.The conduct for respectively assembling the light from LED light source 27 is formed in the rear surface of the first lens pedestal 22
The collector lens 28 of left and right three (a part being shown in FIG. 4, referring in detail to Fig. 5) of first lens, in the first lens pedestal
The prominent pair of right and left interfered with each other being formed with for limiting light emitted by adjacent collector lens 28 of 22 front surface
Limiting wall 29.Moreover, being equipped with boss portion 30 and kick 31 on limiting wall 29, it is formed in boss portion 30 for erection bolt 32
Perforative through hole 33.In addition, the means interfered with each other as limitation light, can be arranged on the surface of limiting wall 29 and be applied
Dress, vapor deposition etc. and the surface-treated layer formed, perhaps setting embossing, the light control means of diffusion step or by transparent
The polychrome of resin material and opaque resin material shapes to form limiting wall 29.
The thin plate made of the transparent resin that end face is in U shape of barn door 23 is constituted, and is formed on the thin plate for limiting wall
Aperture 36 that 29 kick 31 is embedded in, the insertion hole 37 inserted for erection bolt 32 and for penetrating collector lens 28
Light is formed as three shading windows 38 of the image of required shape out.Each shading window 38 is the front by that will be located at collector lens 28
Three at position cut off the transmittance section that opens up at required shape, the surface of the barn door 23 other than these transmittance sections is (preceding
Surface and/or rear surface) it is covered by opaque coating 39.Shading window 38 shown in Fig. 4 is removed into the direction of travel of notice fork truck 1
Arrow-shaped.
Furthermore, it is possible to form shading window 38 on barn door 23 by the method other than excision.For example, as shown in fig. 7, quasi-
The substrate (thin plate made of transparent resin) of standby barn door 23, forms the mask of figure, text on substrate surface, passes through vapor deposition
After covering opaque coating 39 on substrate surface, removes mask and form shading window 38.Alternatively, by vapor deposition or being electroplated
The whole region of substrate surface forms opaque coating 39, and is partially stripped opaque coating 39 by laser processing etc. and forms shading
Window 38.It not is opening portion but the transmittance section of substrate itself by the shading window 38 that the above method is formed, other than transmittance section
The surface of thin plate covered by opaque coating 39.
As shown in Figure 4, Figure 5, erection bolt 32 is passed through to the perforation of the insertion hole 37, the first lens pedestal 22 of barn door 23
Hole 33, the hole 41 of light source substrate 21, cooling fin 20 hole 42 (referring to Fig. 3) and be anchored on rear side edge frame member 16 threaded hole
43, the rear end of lamp housing 12 is assembled in by rear side edge frame member 16 by screw 44 (referring to Fig. 3) and via rearward seal 18
Corner.Cooling fin 20, light source substrate 21, the first lens pedestal 22 and barn door 23 are via 16 and of rear side edge frame member as a result,
Rearward seal 18 is fixed and held in lamp housing 12.
On the other hand, as shown in Figure 5, Figure 6, before the second lens pedestal 24 is sandwiched in peripheral part via forward seal 19
Between side frame component 17 and lamp housing 12, front side edge frame member 17 is assembled in lamp housing 12 by screw 45 (referring to Fig. 3)
Front end corner part.Shading will be passed through by being formed on the second lens pedestal 24 of the part exposed from preceding side frame component 17
Three projecting lens 48 as the second lens that the image that window 38 is formed projects respectively towards lamp front.Each projecting lens 48 is
The convex lens that front-surface side is heaved is set with appropriate angle of flare (θ) in each projecting lens 48 so that three images to
The position imaging of same distance is left in front of lamp.
Moreover, in the drawing apparatus 11 of present embodiment, as shown in figure 5, being utilized respectively three LED light sources 27, optically focused
There are three lamp units 51,52,53 for lens 28, shading window 38 and the composition of projecting lens 48.Each lamp unit 51~53 is configured to
It is set side by side in the state that respective optical axis 51A, 52A, 53A are parallel to each other in interior lateral edge of lamp housing 12 or so (Fig. 5's is upper and lower)
It sets, is overlapped three images projected from projecting lens 48 in same position, the road surface G in front of lamp describes multiple image G (ginseng
According to Fig. 8).
Here, light source substrate 21 is the optical component that each lamp unit 51~53 shares, on the components there are three assembly
LED light source 27.Similarly, the first lens pedestal 22, barn door 23 and the second lens pedestal 24 are also shared optical component,
Integrally formed three collector lenses 28 on the first lens pedestal 22, three shading windows 38 of perforation setting on barn door 23,
It is integrally formed on second lens pedestal 24 that there are three projecting lens 48.Moreover, using above-mentioned shared optical component 21,22,23,
24, LED light source 27, collector lens 28, shading window 38 and projecting lens 48 are disposed on three optical axises 51A, 52A, 53A
Same position.
Thus, drawing apparatus 11 according to the present embodiment, as shown in figure 8, by making three lamp units, 51,52,53 institute
Same position overlapping of the image of projection in front of lamp, can become clear on the road surface R of the direction of travel of fork truck 1 and clearly retouch
Draw multiple image G.In addition, the luminescent color of the LED light source 27 by making lamp unit 51~53 be for example divided into blue, white, it is green
Color, on road surface R be coated into green handling yard in, it is difficult to see green image, but by it is remaining blue with white this
Two kinds of colors also can clearly describe multiple image G on the road surface R of green.
Further, it due to not including moving reflector in each lamp unit 51~53, does not need particularly to control, energy
It is enough to describe multiple image G with cheap simple structure.Also, by the optical section shared using three lamp units 51~53
Part 21,22,23,24 can also cut down LED light source 27, collector lens 28, shading window 38,48 integration of projecting lens
Number of components minimizes assembly error, and three images is made accurately to be overlapped in required position.Especially since shading window
38 are formed on the barn door 23 that the thin plate made of transparent resin is constituted, therefore compared with the case where cutting to metal plate
Compared with the advantage that there is the image that can accurately generate complicated shape and can describe to high sharpness its edge part.
Additionally, this invention is not limited to above embodiment, such as can also be as shown in Figure 9, by multiple shading windows
At least one of 38 are formed as the shape different from other shading windows 38, make two kinds, three kinds or four kinds or more of image weight
It is folded and describe multiple image G etc. on the R of road surface, in the range of without departing from the purport of invention to the shape of each section, constitute into
Row suitably changes to implement.
Claims (10)
1. a kind of drawing apparatus, which is characterized in that
The drawing apparatus has multiple lamp units on the inside of lamp housing, and each lamp unit includes the light source for generating visible light, makes
The first lens that light from light source is assembled, the shading window that the injection light of the first lens is formed as to the image of required shape, with
And by the image of formation to the second lens of projection in front of lamp, the drawing apparatus makes multiple figures from second lens projects
Describe multiple image in front of lamp as being overlapped at roughly the same position.
2. drawing apparatus according to claim 1, which is characterized in that
First lens, shading window and the second lens are disposed in the same position on the optical axis of each lamp unit.
3. drawing apparatus according to claim 1 or 2, which is characterized in that
First lens are integrally formed on the first lens pedestal that each lamp unit shares.
4. drawing apparatus according to claim 3, which is characterized in that
The limiting wall interfered with each other for limiting the light that the first adjacent lens project is equipped in the first lens pedestal.
5. drawing apparatus according to any one of claim 1 to 4, which is characterized in that
Second lens are integrally formed on the second lens pedestal that each lamp unit shares.
6. drawing apparatus according to any one of claim 1 to 5, which is characterized in that
The shading window includes the transmittance section formed on the barn door that each lamp unit shares.
7. drawing apparatus according to claim 6, which is characterized in that
The barn door is using thin plate made of transparent resin, and the surface of the thin plate other than the transmittance section is by opaque coating
Covering.
8. drawing apparatus according to claim 7, which is characterized in that
The transmittance section is to be cut off and opened up along required shape on the barn door.
9. drawing apparatus according to claim 7, which is characterized in that
The transmittance section is described barn door itself.
10. drawing apparatus according to claim 6, which is characterized in that
Transmittance section described at least one of the multiple lamp unit is formed by the shape different from other transmittance sections.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017213799A JP7302944B2 (en) | 2017-11-06 | 2017-11-06 | multiple image drawing device |
| JP2017-213799 | 2017-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109945124A true CN109945124A (en) | 2019-06-28 |
Family
ID=66763806
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821798932.5U Active CN209355150U (en) | 2017-11-06 | 2018-11-02 | Multiple image drawing apparatus |
| CN201811299449.7A Pending CN109945124A (en) | 2017-11-06 | 2018-11-02 | Multiple image drawing apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821798932.5U Active CN209355150U (en) | 2017-11-06 | 2018-11-02 | Multiple image drawing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7302944B2 (en) |
| CN (2) | CN209355150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048447A (en) * | 2019-12-27 | 2021-06-29 | Sl株式会社 | Guide lamp for vehicle |
| CN114383110A (en) * | 2020-10-20 | 2022-04-22 | Sl株式会社 | Vehicle lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7302944B2 (en) * | 2017-11-06 | 2023-07-04 | 株式会社小糸製作所 | multiple image drawing device |
| JP2023134232A (en) * | 2022-03-14 | 2023-09-27 | スタンレー電気株式会社 | Light source unit for vehicular lighting fixture, and vehicular lighting fixture |
| WO2023210678A1 (en) * | 2022-04-27 | 2023-11-02 | 市光工業株式会社 | Vehicle lamp |
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| CN107238048A (en) * | 2016-03-25 | 2017-10-10 | 株式会社小糸制作所 | Lamps apparatus for vehicle and the vehicle with the lamps apparatus for vehicle |
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| CN107300150A (en) * | 2017-07-21 | 2017-10-27 | 广州维思车用部件有限公司 | Preparation method, the film and the projection lamp of the film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113048447A (en) * | 2019-12-27 | 2021-06-29 | Sl株式会社 | Guide lamp for vehicle |
| CN113048447B (en) * | 2019-12-27 | 2024-01-19 | Sl株式会社 | Guide lamp for vehicle |
| CN114383110A (en) * | 2020-10-20 | 2022-04-22 | Sl株式会社 | Vehicle lamp |
| US11644175B2 (en) * | 2020-10-20 | 2023-05-09 | Sl Corporation | Lamp for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7302944B2 (en) | 2023-07-04 |
| JP2019084915A (en) | 2019-06-06 |
| CN209355150U (en) | 2019-09-06 |
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