CN209117944U - Optical tunnel, optical module and projection arrangement - Google Patents
Optical tunnel, optical module and projection arrangement Download PDFInfo
- Publication number
- CN209117944U CN209117944U CN201821921203.4U CN201821921203U CN209117944U CN 209117944 U CN209117944 U CN 209117944U CN 201821921203 U CN201821921203 U CN 201821921203U CN 209117944 U CN209117944 U CN 209117944U
- Authority
- CN
- China
- Prior art keywords
- edge
- barred body
- support plate
- size
- optical tunnel
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a kind of optical tunnel, optical module and projection arrangement.Optical tunnel includes barred body, first end and the second end, and first end is located at one end of barred body, and the size in the section of first end is different from the size in the section of barred body；The second end is located at the other end of barred body, and the size in the section of the second end is different from the size in the section of barred body.Optical module includes optical tunnel and retaining piece, retaining piece includes the first support plate and the second support plate, first support plate offers the first mounting hole, first support plate is cooperated by the first mounting hole and first end, second support plate offers the second mounting hole, second support plate is cooperated by the second mounting hole and the second end, to hold optical tunnel.The utility model is different with the sectional dimension of barred body by being designed to the first end of optical tunnel from the sectional dimension of the second end, so that the fixed stability of optical tunnel can be improved under conditions of not destroying the total reflection effect of optical tunnel.
Description
Technical field
The utility model relates to optical technical fields, fill in particular to a kind of optical tunnel, optical module and projection
It sets.
Background technique
Optical tunnel plays the role of even light in projecting illumination system, and especially in laser projection product, laser is in even light
Stick interior reflective surface goes out into after crossing multiple reflections, can break the strong coherence of the original laser light source of ring, it is equal to obtain intensity in exit end
Even emergent light.Solid optical tunnel would generally be used as laser optical uniform apparatus part in the laser projection of high-energy, generally use gold
Belong to elastic slice or structural member to fix.Since the contacting points position of optical tunnel fixed structure piece and optical tunnel can destroy the complete of optical tunnel
Reflex causes part light to be revealed, and increase fixed structure temperature, in the case where expanding with heat and contract with cold,
Very big stress can be generated between fixed device and optical tunnel, be easy to cause the damage of optical tunnel, and then influence consolidating for optical tunnel
Determine effect.
Utility model content
In view of the above problems, this application provides a kind of optical tunnel, optical module and projection arrangements, solid to increase optical tunnel
Fixed stability.The utility model is achieved through the following technical solutions above-mentioned purpose.
In a first aspect, the utility model provides a kind of optical tunnel, optical tunnel includes barred body, first end and the second end,
First end is located at one end of barred body, and the size in the section of first end is different from the size in the section of barred body；Second end position
In the other end of barred body, the size in the section of the second end is different from the size in the section of barred body.
Second aspect, the utility model provide a kind of optical module, and optical module includes optical tunnel and retaining piece, fixing
Part includes the first support plate and the second support plate, and the first support plate offers the first mounting hole, and the first support plate passes through the first peace
It fills hole and first end cooperates, the second support plate offers the second mounting hole, and the second support plate passes through the second mounting hole and second
End cooperation, to hold optical tunnel.
The third aspect, the utility model provide a kind of projection arrangement, include above-mentioned optical module, and optical module is set
In in projection arrangement.
Compared to the prior art, optical tunnel provided by the utility model, optical module and projection arrangement are by by optical tunnel
First end be designed to from the sectional dimension of the second end it is different with the sectional dimension of barred body so that not destroying optical tunnel
Under conditions of total reflection effect, the fixed stability of optical tunnel can be improved.
These aspects or other aspects of the utility model can more straightforwards in the following description.
Detailed description of the invention
Fig. 1 is the schematic perspective view for the optical tunnel that the utility model first embodiment provides.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the schematic perspective view for the optical tunnel that the utility model second embodiment provides.
Fig. 5 is a kind of schematic perspective view for the optical tunnel that the utility model 3rd embodiment provides.
Fig. 6 is another schematic perspective view for the optical tunnel that the utility model 3rd embodiment provides.
Fig. 7 is the schematic perspective view for the optical module that the utility model fourth embodiment provides.
Fig. 8 is sectional view of the Fig. 7 in the direction A-A.
Fig. 9 is the schematic perspective view of the first support plate of the optical module that the utility model fourth embodiment provides.
Figure 10 is the schematic perspective view of the second support plate of the optical module that the utility model fourth embodiment provides.
Figure 11 is the schematic perspective view of the shell for the optical module that the 5th embodiment of the utility model provides.
Figure 12 is the schematic perspective view for the optical module that the 5th embodiment of the utility model provides.
Figure 13 is sectional view of the Fig. 7 in the direction B-B.
Figure 14 is the structural schematic diagram for the projection arrangement that the utility model sixth embodiment provides.
Specific embodiment
The utility model embodiment in order to facilitate understanding carries out the utility model embodiment below with reference to relevant drawings
A more complete description.The better embodiment of the utility model is given in attached drawing.But the utility model can be with many not
With form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making
The disclosure of the utility model is understood more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.The term used in the utility model embodiment is intended merely to herein
The purpose of specific embodiment is described, it is not intended that in limitation the utility model.
First embodiment
Also referring to Fig. 1 to Fig. 3, optical tunnel 11 provided in this embodiment includes barred body 111, first end 113 and the
Two ends 115, first end 113 are located at one end of barred body 111, and the size in the section of first end 113 is different from barred body 111
The size in section；The second end 115 is located at the other end of barred body 111, and the size in the section of the second end 115 is different from barred body
The size in 111 section.
Specifically, optical tunnel 11 includes barred body 111, and barred body 111 is the main part of optical tunnel 11, be can be a kind of small
Type, frangible glass devices, naturally it is also possible to be other such as organic glass materials.In this example, barred body 111 is square cylinder
Structure, it is to be understood that in other embodiments, the shape of barred body 111 can be set to according to actual needs square rod shape,
The structure of the shapes such as cylinder or rotary table or cone.First edge 1111 and second edge 1113 of the barred body 111 including closure, first
Edge 1111 and the second edge 1113 are located at the both ends of barred body 111, i.e. the first edge 1111 and the second edge 1113 are stick
The sideline of 111 both ends of the surface of body, barred body 111 further include outer peripheral surface 1115.
Optical tunnel 11 further includes first end 113 and the second end 115.
First end 113 is located at one end of barred body 111, and the size in the section of first end 113 is less than the section of barred body 111
Size, first end 113 include the first light pass surface 1132 and the first fixing surface 1136 around the first light pass surface 1132.First
The edge of light pass surface 1132 is located in the first edge 1111, and in the present embodiment, the shape of barred body 111 is set to square rod shape, the
One light pass surface 1132 can be to be rectangular, and certain first light pass surface 1132 can also be other shapes such as circle, triangle, trapezoidal
Or other polygons, the first light pass surface 1132 can be incidence surface, i.e. the light end face that enters optical tunnel 11, need to illustrate
, the first light pass surface 1132 can also be light-emitting surface, i.e. light is from the end face that optical tunnel 11 is emitted.In the present embodiment, first
Light pass surface 1132 can be located at the center of 111 one end of barred body.
First fixing surface 1136 extends from the first light pass surface 1132 to barred body 111, in the present embodiment, the first fixing surface
1136 include four successively planes connected vertically, it is to be understood that the shape of the first fixing surface 1136 can be led to by first
The shape of smooth surface 1132 determines, such as when the first light pass surface 1132 is triangle, the first fixing surface 1136 is then by three head and the tail phases
The plane composition connect, when the first light pass surface 1132 is trapezoidal, the first fixing surface 1136 is then made of four end to end planes.
First fixing surface 1136 can be connect (such as by way of bonding) with the fixed structure of optical tunnel 11, make optical tunnel
11 are fixed in end.
In the present embodiment, first end 113 further includes the first joint face 1134, and the first joint face 1134 is annular, the
The outer rim of one joint face 1134 is connect with the first edge 1111, and the inner edge of the first joint face 1134 and the first fixing surface 1136 connect
It connects, the first joint face 1134 can set suitable size according to actual needs.
In other embodiments, first end 113 can not also include the first joint face 1134, the first fixing surface 1136
It is directly connected to the edge and the first edge 1111 of the first light pass surface 1132, i.e. the first fixing surface 1136 is inclined to set and from first
Light pass surface 1132 extends to barred body 111, and first end is in pyramidal or round table-like, such design, is more advantageous to light by the
One light pass surface 1132 enters in barred body 111.
First light pass surface 1132, the first joint face 1134 and the first fixing surface 1136 collectively form step structure.
The second end 115 is located at the other end of barred body 111, and the size in the section of the second end 115 is less than cutting for barred body 111
The size in face, the second end 115 include the second light pass surface 1152 and the second fixing surface 1156 around the second light pass surface 1152, the
The edge of two light pass surfaces 1152 is located in the second edge 1113, and in the present embodiment, the shape of barred body 111 is set to square rod shape,
Second light pass surface 1152 is located at the center of 111 other end of barred body, and the second light pass surface 1152 can be rectangular, the second light pass surface 1152
It can also be other shapes such as circle, triangle, trapezoidal or other polygons, and the shape of the second light pass surface 1152
It can not be identical as the first light pass surface 1132.In the present embodiment, the first light pass surface 1132 is incidence surface, and the second light pass surface 1152 is
Light-emitting surface.
Second fixing surface 1156 extends from the second light pass surface 1152 to barred body 111, in the present embodiment, the second fixing surface
1156 include four successively planes connected vertically, it is to be understood that the shape of the second fixing surface 1156 can be led to by second
The shape of smooth surface 1152 determines, such as when the second light pass surface 1152 is round, the second joint face 1154 is then made of round cambered surface.
Second fixing surface 1156 passes through second for being connect (such as by way of bonding) with the fixed structure of optical tunnel 11
Fixing surface 1156 and the cooperation of the first fixing surface 1136 fix optical tunnel 11 in end.
In the present embodiment, the second end 115 further includes the second joint face 1154, and the second joint face 1154 is annular, the
The outer rim of two joint faces 1154 is connect with the second edge 1113, and the inner edge of the second joint face 1154 and the second fixing surface 1156 connect
It connects, the second joint face 1154 can set suitable size according to actual needs.
In other embodiments, the second end 115 can not also include the second joint face 1154, the second fixing surface 1156
It is directly connected to the edge and the second edge 1113 of the second light pass surface 1152, i.e. the second fixing surface 1156 is inclined to set and from second
Light pass surface 1152 extends to barred body 111, and the second end is in pyramidal or round table-like, such design, is more advantageous to light by the
Two light pass surfaces 1152 enter in barred body 111.
Second light pass surface 1152, the second joint face 1154 and the second fixing surface 1156 collectively form step structure.
To sum up, optical tunnel 11 provided in this embodiment, by by the first end 113 of optical tunnel 11 and the second end 115
Sectional dimension be designed to it is different from the sectional dimension of barred body 111 so that in the item for the total reflection effect for not destroying optical tunnel 11
Under part, the fixed stability of optical tunnel 11 can be improved.
Second embodiment
Referring to Fig. 4, different from the first embodiment, the second end 215 of optical tunnel 21 provided in this embodiment
The size in section is greater than the size in the section of barred body 211, and the edge of the second light pass surface 2152 is located at outside the second edge 2113；Second
The outer rim of joint face 2154 is connect with the second fixing surface 2156, and the inner edge of the second joint face 2154 is connect with the second edge 2113.
In the present embodiment, the area of the second light pass surface 2152 is greater than the area of the first light pass surface 2132, the i.e. face of light-emitting surface
Product is greater than the area of incidence surface.It is understood that in other embodiments, the second light pass surface 2152 can be incidence surface,
Correspondingly, the first light pass surface 2132 is light-emitting surface, i.e., the area of incidence surface can be greater than the area of light-emitting surface.
The area of second fixing surface 2156 can be suitably a little bigger, because 2156 area of the second fixing surface influences whether when too small
The mounting stability of optical tunnel 21, and when 2156 area of the second fixing surface is larger, has no effect on the total reflection of light.In view of life
Cost problem is produced, the area of the second fixing surface 2156 also should not be too large.
To sum up, optical tunnel 21 provided in this embodiment passes through being dimensioned to the section of the second end 215 greater than stick
The edge of the size in the section of body 211, the second light pass surface 2152 is arranged except the second edge 2113, and to the first fixing surface
2136 and second fixing surface 2156 be fixed so that under conditions of not destroying the total reflection effect of optical tunnel 21, Ke Yiti
The fixed stability of high optical tunnel 21.
3rd embodiment
Also referring to Fig. 5 and Fig. 6, different from the first embodiment, the first of optical tunnel 31 provided in this embodiment
The size in the section of end 313 is greater than the size in the section of barred body 311, and the edge of the first light pass surface 3132 is located at the first edge
Outside 3111；The outer rim of first joint face 3134 is connect with the first fixing surface 3136, the inner edge and the first side of the first joint face 3134
Along 3111 connections.The size in the section of the second end 315 is greater than the size in the section of barred body 311, the side of the second light pass surface 3152
Edge is located at outside the second edge 3113；The outer rim of second joint face 3154 is connect with the second fixing surface 3156, the second joint face 3154
Inner edge connect with the second edge 3113.
Optical tunnel 31 provided in this embodiment passes through being dimensioned to the section of first end 313 greater than barred body 311
Section size, the edge of the first light pass surface 3132 is arranged except the first edge 3111, by the section of the second end 315
It is dimensioned to the size in the section greater than barred body 311, the edge of the second light pass surface 3152 is arranged except the second edge 3113,
And the first fixing surface 3136 and the second fixing surface 3156 are fixed, so that in the total reflection effect for not destroying optical tunnel 31
Under conditions of, the fixed stability of optical tunnel 31 can be improved.
Fourth embodiment
Referring to Figure 7 together to Figure 10, optical module 40 provided in this embodiment includes any even light in above-described embodiment
Stick, for example, optical tunnel 21, optical module 40 further include retaining piece 42, and retaining piece 42 is used for optical tunnel 21 is fixed, retaining piece
42 include the first support plate 421 and the second support plate 423, and the first support plate 421 offers the first mounting hole 4215, the first support
Plate 421 is cooperated by the first mounting hole 4215 with first end 213, and the second support plate 423 offers the second mounting hole 4235, the
Two support plates 423 are cooperated by the second mounting hole 4235 with the second end 215, to hold optical tunnel 21, i.e. the first support plate 421
It can change with the variation of first end 213 and the second end 215 with the second support plate 423, as long as can be by optical tunnel 21
Fixation.
Specifically, retaining piece 42 includes the first support plate 421 and the second support plate 423, the first support plate 421 and second
The material of fagging 423 can be a variety of for metal or plastics etc., but need that optical tunnel 21 can be supported, please individually refering to Fig. 9, this reality
Applying the first support plate 421 in example is square plate, and in other embodiments, the first support plate 421 can also be circular slab, triangle
The structures such as shape plate or trapezoidal plate, the first support plate 421 include first surface 4211 and second table opposite with first surface 4211
Face 4213, first surface 4211 can be parallel with second surface 4213, and the first support plate 421 further includes hole wall 4217 and the first side
Wall 4219, the first support plate 421 are also provided with the first mounting hole 4215.
In the present embodiment, for 4211 opposite second surface 4213 of first surface far from the second end 215, first surface 4211 can
With concordant with the first light pass surface 2132.In other embodiments, it is logical can also to protrude or be depressed in first for first surface 4211
Smooth surface 2132.
Second surface 4213 is abutted with the first joint face 2134, fixes optical tunnel 21 in end.
First mounting hole 4215 penetrates through first surface 4211 and second surface 4213, the first mounting hole 4215 and the first light passing
The shapes and sizes in face 2132 are consistent, therefore the first mounting hole 4215 is also possible to square hole, tri-angle-holed or trapezoidal
Hole, hole wall 4217 are enclosed the first mounting hole 4215, and hole wall 4217 and each plane of the first fixing surface 2136 can support
It connects, fixes optical tunnel 21 in end.
The first side wall 4219 be the first support plate 421 lateral surface, the first side wall 4219 be connected to first surface 4211 with
Between second surface 4213.
Please individually refering to fig. 10, in the present embodiment, the second support plate 423 can also be circular slab, triangular plate or trapezoidal
The structures such as plate, the second support plate 423 include third surface 4231 and fourth surface 4233 opposite with third surface 4231, third
Surface 4231 can be parallel with the 4th surface 4233, and the second support plate 423 includes First terrace 4232, second step face
4234, third step surface 4236 and second sidewall 4237, the second support plate 423 also open up the second mounting hole 4235, the second installation
Hole 4235 can be stepped hole.
With respect to the second light pass surface 2152 close to first end 213, the 4th surface 4233 protrudes from second on third surface 4231
Light pass surface 2152.
Second mounting hole 4235 penetrates through third surface 4231 and the 4th surface 4233, the shape of the second mounting hole 4235 and the
The composition of two fixing surfaces 2156 is related, for example, when the second fixing surface 2156 by four successively plane connected vertically constitute, then
Two mounting holes 4235 are square hole, when the second fixing surface 2156 is then made of three end to end planes, then the second mounting hole
4235 is tri-angle-holed, and the second mounting hole 4235 can also be other shapes.
First terrace 4232, second step face 4234 and third step surface 4236 are enclosed the second mounting hole 4235,
Wherein second step face 4234 is parallel with the 4th surface 4233 and is vertically connected at First terrace 4232 and First terrace
4232, First terrace 4232 is vertical with third surface 4231 to be connect, and third step surface 4236 is vertical with the 4th surface 4233 to be connected
It connects, the region area being enclosed by third step surface 4236 is less than the region area being enclosed by First terrace 4232.
First terrace 4232 can be abutted with the second fixing surface 2156, fix optical tunnel 21 in end, and second
Step surface 4234 is abutted with the second light pass surface 2152, fixes optical tunnel 21 in end.
It should be noted that be fixed in the first fixing surface 2136 and the second fixing surface 2156 (such as distinguished by viscose glue
With the first support plate 421 and the fixed bonding of the second support plate 423) in the case where, the first joint face 2134 and the second joint face
Whether 2154 be fixed the fixation not affected to optical tunnel 21.
Second sidewall 4237 be the second support plate 423 lateral surface, second sidewall 4237 be connected to third surface 4231 with
Between 4th surface 4233.
Retaining piece 42 further includes fixed bracket, and the material of fixed bracket 425 can be metal material, and fixed bracket 425 wraps
Rack body 4251, first connecting rod 4253 and second connecting rod 4255 are included, first connecting rod 4253 and second connecting rod 4255 can lead to
Welding, bonding or quick-disassembly structure is crossed to connect with rack body 4251.First connecting rod 4253 can be with the of the first support plate 421
One side wall 4219 is attached by welding, and second connecting rod 4255 can pass through with the second sidewall 4237 of the second support plate 423
Welding is attached, and can also have other connection types to be such as integrally formed or casting technique certainly.It is understood that the
One connecting rod 4253 can also be connect with first surface 4211 or second surface 4213, or in the first support plate 421 it is another open-minded
Hole, first connecting rod 4253 are arranged in the first support plate 421 and the first support plate 421 are fixed on fixed bracket 425, for
Two connecting rods 4255 can have same connection method.
It is understood that the feature in the various embodiments described above can be combined with each other and form new embodiment.
To sum up, optical module 40 provided in this embodiment, by the cooperation of the first support plate 421 and first end 213, the
The cooperation of two support plates 423 and the second end 215 can be with so that under conditions of not destroying the total reflection effect of optical tunnel 21
Improve the fixed stability of optical tunnel 21.The connection of fixed bracket 425 and the first support plate 421 and the second support plate 423, provides
A kind of easy structure of stable fixed optical tunnel 21.
5th embodiment
Also referring to Figure 11 to Figure 13, unlike fourth embodiment, in optical module 50 provided in this embodiment
Retaining piece 52 do not include fixed bracket 425, retaining piece 52 includes shell 525.The material of shell 525 can be with the first support plate
521 and second support plate 523 it is identical, shell 525 can be section be rectangular square casing, be also possible to section be other shapes
For example circular cylindrical housings of shape.
Shell 525 can be and the first support plate 521 and the integrated molding of the second support plate 523, as shown in figure 11, shell
525 include in the longitudinal direction two independent housing units, such as first shell unit 5251 and second shell unit 5253,
Middle first shell unit 5251 and the first support plate 521 are integrally formed, 523 one of second shell unit 5253 and the second support plate
Molding, i.e., retaining piece 52 is divided into two independent holding units, first shell unit 5251 and second shell in the longitudinal direction
Unit 5253 can by being such as clamped, welding, the modes such as bonding be cooperated, thus by shell and the first support plate 521 and the
Two support plates 523 collectively constitute an entirety, can also be shell 525 on width or short transverse include two independent shells
Body unit, while the first support plate 521 and the second support plate 523 include accordingly two independent support units, that is, are held
Part 52 is divided into two independent holding units on width or short transverse, two holding units can also by such as be clamped,
The modes such as welding, bonding are cooperated.
Shell 525 includes side wall 5255, and the both ends of side wall 5255 are separately connected the first support plate 521 and the second support plate
523, optical tunnel 21 is contained in shell 525.It is appreciated that optical tunnel 21 can be any one in previous embodiment, phase
Ying Di, the first support plate 521 and the second support plate 523 can become with the variation of first end 213 and the second end 215
Change, as long as can be fixed by optical tunnel 21.
There are the air gap between side wall 5255 and optical tunnel 21, i.e., the outer peripheral surface 2115 of optical tunnel 21 and side wall 5255 it
Between there are the air gaps.
To sum up, optical module 50 provided in this embodiment, by the cooperation of the first support plate 521 and first end 213, the
The cooperation of two support plates 523 and the second end 215 increases the fixed stability of optical tunnel 21；First support plate 521 and second
Support plate 523 is connected to the both ends of the side wall 5255 of shell 525, and optical tunnel 21 is contained in shell 525, so that
Optical tunnel 21 has reached sealing effect, reduces influence of the dust to 21 side of optical tunnel；Between side wall 5255 and optical tunnel 21
There are the air gaps, will not influence the total reflection of optical tunnel 21.
Sixth embodiment
Figure 14 is please referred to, a kind of projection arrangement 600 is present embodiments provided, includes optical module 50, it is possible to understand that
It is that in other embodiments, projection arrangement 600 may include optical module any in above-described embodiment, optical module 50
In projection arrangement 600.The projection arrangement 600 at least further includes light-source system 60, ray machine 70, camera lens 80 and projection screen
90 etc., wherein structure, the connection relationship of the other assemblies such as light-source system 60, ray machine 70, camera lens 80 and projection screen 90 can join
The prior art is examined, this will not be repeated here.
Projection arrangement 600 provided in this embodiment, including optical module 50, optical module 50 include optical tunnel 21, are passed through
Stepped fixed structure is designed at the both ends of optical tunnel 21, so that in the condition for the total reflection effect for not destroying optical tunnel 21
Under, the fixed stability of optical tunnel 21 can be improved, to improve the working efficiency of projection arrangement.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of optical tunnel characterized by comprising
Barred body；
First end, positioned at one end of the barred body, the size in the section of the first end is different from the section of the barred body
Size；
The second end, positioned at the other end of the barred body, the size in the section of the second end is different from cutting for the barred body
The size in face.
2. optical tunnel as described in claim 1, which is characterized in that the first end includes the first light pass surface and surrounds described
First fixing surface of the first light pass surface, first fixing surface extend from first light passing towards the barred body；Described second
End includes the second light pass surface and the second fixing surface around second light pass surface, and second fixing surface is logical from described second
Smooth surface extends to the barred body.
3. optical tunnel as claimed in claim 2, which is characterized in that the barred body includes the closure positioned at described barred body one end
First edge, the size in the section of the first end are less than the size in the section of the barred body, the side of first light pass surface
Edge is located in first edge；The first end further includes the first joint face, the outer rim of first joint face with it is described
The connection of first edge, the inner edge of first joint face is connect with first fixing surface.
4. optical tunnel as claimed in claim 3, which is characterized in that the barred body includes the closure positioned at the barred body other end
The second edge, the size in the section of the second end is less than the size in the section of the barred body, second light pass surface
Edge is located in second edge；The second end further includes the second joint face, the outer rim of second joint face and institute
The connection of the second edge is stated, the inner edge of second joint face is connect with second fixing surface.
5. optical tunnel as claimed in claim 3, which is characterized in that the barred body includes the closure positioned at the barred body other end
The second edge, the size in the section of the second end is greater than the size in the section of the barred body, second light pass surface
Edge is located at outside second edge；The second end further includes the second joint face, the outer rim of second joint face and institute
The connection of the second fixing surface is stated, the inner edge of second joint face is connect with second edge.
6. optical tunnel as claimed in claim 2, which is characterized in that the barred body includes the closure positioned at described barred body one end
First edge, the size in the section of the first end are greater than the size in the section of the barred body, the side of first light pass surface
Edge is located at outside first edge, and the first end further includes the first joint face, the outer rim of first joint face with it is described
The connection of first fixing surface, the inner edge of first joint face is connect with first edge；The barred body includes being located at the stick
Second edge of the closure of the body other end, the size in the section of the second end are greater than the size in the section of the barred body, institute
The edge for stating the second light pass surface is located at outside second edge；The second end further includes the second joint face, and described second connects
The outer rim of junction is connect with second fixing surface, and the inner edge of second joint face is connect with second edge.
7. a kind of optical module characterized by comprising
Such as optical tunnel as claimed in any one of claims 1 to 6；
Retaining piece, including the first support plate and the second support plate, first support plate offer the first mounting hole, and described first
Support plate is cooperated by first mounting hole and the first end, and second support plate offers the second mounting hole, institute
It states the second support plate to cooperate by second mounting hole and the second end, to hold the optical tunnel.
8. optical module as claimed in claim 7, which is characterized in that the retaining piece further includes shell, and the shell includes
Side wall, the both ends of the side wall are separately connected first support plate and second support plate, and the optical tunnel is contained in institute
It states in shell.
9. optical module as claimed in claim 8, which is characterized in that there are between air between the side wall and the optical tunnel
Gap.
10. a kind of projection arrangement, which is characterized in that including such as described in any item optical modules of claim 7-9, the optics
Component is set in the projection arrangement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921203.4U CN209117944U (en) | 2018-11-19 | 2018-11-19 | Optical tunnel, optical module and projection arrangement |
| PCT/CN2019/119155 WO2020103785A1 (en) | 2018-11-19 | 2019-11-18 | Light homogenizing rod, optical assembly and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821921203.4U CN209117944U (en) | 2018-11-19 | 2018-11-19 | Optical tunnel, optical module and projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117944U true CN209117944U (en) | 2019-07-16 |
Family
ID=67205966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821921203.4U Active CN209117944U (en) | 2018-11-19 | 2018-11-19 | Optical tunnel, optical module and projection arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209117944U (en) |
| WO (1) | WO2020103785A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103785A1 (en) * | 2018-11-19 | 2020-05-28 | 深圳光峰科技股份有限公司 | Light homogenizing rod, optical assembly and projection device |
| US11650492B2 (en) | 2021-01-28 | 2023-05-16 | Coretronic Corporation | Light uniforming component, lighting module, and projector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0429106A (en) * | 1990-05-25 | 1992-01-31 | Hitachi Ltd | Fixed optical member for rod lens |
| JP2004093623A (en) * | 2002-08-29 | 2004-03-25 | Olympus Corp | Illuminator and display device using the same |
| JP3931127B2 (en) * | 2002-09-03 | 2007-06-13 | オリンパス株式会社 | LIGHTING DEVICE AND DISPLAY DEVICE USING THE SAME |
| US7182471B2 (en) * | 2003-05-30 | 2007-02-27 | Funai Electric Co., Ltd. | Projection type display apparatus |
| US8511831B2 (en) * | 2006-04-11 | 2013-08-20 | Sanyo Electric Co., Ltd. | Optical device and projection-type image display apparatus |
| CN209117944U (en) * | 2018-11-19 | 2019-07-16 | 深圳光峰科技股份有限公司 | Optical tunnel, optical module and projection arrangement |
-
2018
- 2018-11-19 CN CN201821921203.4U patent/CN209117944U/en active Active
-
2019
- 2019-11-18 WO PCT/CN2019/119155 patent/WO2020103785A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103785A1 (en) * | 2018-11-19 | 2020-05-28 | 深圳光峰科技股份有限公司 | Light homogenizing rod, optical assembly and projection device |
| US11650492B2 (en) | 2021-01-28 | 2023-05-16 | Coretronic Corporation | Light uniforming component, lighting module, and projector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020103785A1 (en) | 2020-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209117944U (en) | Optical tunnel, optical module and projection arrangement | |
| CN104865785B (en) | It is a kind of to be used to realize the uniform laser projection light source without speckle illumination | |
| JP6571327B2 (en) | LED ring light, manufacturing method thereof, image measuring machine and optical instrument using LED ring light | |
| JP2006054407A (en) | Light emitting diode lens and backlight module provided therewith | |
| CN103206665A (en) | Lens and illumination device using lens | |
| JP2015088410A (en) | Led lighting device | |
| ES2484865T3 (en) | Fresnel lens, screen, image display device, lens mold manufacturing procedure and lens manufacturing procedure | |
| KR950009849A (en) | Lighting fixtures | |
| JP2011171261A (en) | Pole type light | |
| JP2010199027A (en) | Light source device | |
| CN102954371A (en) | Optical fiber irradiation device | |
| JP4326498B2 (en) | Backlight module housing and backlight module using the same | |
| CN104676380B (en) | Stage lamp convenient for heat dissipation | |
| CN204554514U (en) | A kind of stage lighting being convenient to dispel the heat | |
| US9140827B2 (en) | Lens, LED light source unit having the lens and LED light source module incorporating the unit | |
| US5369721A (en) | Fiber optic bundle with removable and replaceable light guides | |
| CN207423121U (en) | Three-dimensional scanner | |
| CN102520520A (en) | Optical integral rod | |
| CN205842519U (en) | A kind of bar shaped luminous intensity distribution unit and luminous intensity distribution assembly | |
| US3905679A (en) | Reflector plate | |
| CN107726994A (en) | Three-dimensional scanner | |
| JP2018022781A (en) | Optical device | |
| JP2015008048A (en) | Vehicular head light, and optical fiber bundle used for vehicular head light | |
| CN213479899U (en) | 60-degree beam angle lens group and linear lamp | |
| CN112285812A (en) | Lens and VCSEL device adopting same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |