CN110398873A - A kind of optical path sealing device and its light path system for digital projector - Google Patents
A kind of optical path sealing device and its light path system for digital projector Download PDFInfo
- Publication number
- CN110398873A CN110398873A CN201910602416.3A CN201910602416A CN110398873A CN 110398873 A CN110398873 A CN 110398873A CN 201910602416 A CN201910602416 A CN 201910602416A CN 110398873 A CN110398873 A CN 110398873A
- Authority
- CN
- China
- Prior art keywords
- sealing device
- cyclic annular
- optical path
- regulating part
- fixing piece
- 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 title claims abstract description 64
- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 69
- 230000001105 regulatory effect Effects 0.000 claims abstract description 65
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 17
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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)
- Projection Apparatus (AREA)
Abstract
The present invention discloses a kind of optical path sealing device and its light path system for digital projector, and the optical path sealing device includes with the fixing piece through through-hole；The optical path sealing device includes the first cyclic annular regulating part, the second cyclic annular regulating part, the first annular resilient part and the second annular resilient part；One end of described first cyclic annular regulating part is by one end insertion through-hole of the fixing piece；On the lateral wall for the other end that one end of described second cyclic annular regulating part is set in the fixing piece；The first annular resilient part is located on the other end of the described first cyclic annular regulating part and protrudes from the end face of the described first cyclic annular regulating part；The second annular resilient part is located on the other end of the described second cyclic annular regulating part and protrudes from the end face of the described second cyclic annular regulating part；The inner sidewall of the fixing piece, the first cyclic annular regulating part and the second cyclic annular regulating part is all covered with delustred coating.The sealing device can avoid optical wand in light lens and light pipe and deposit dust, also can avoid reflection interference.
Description
Technical field
The present invention relates to light path system optical path technical field of sealing technology, more particularly it relates to which a kind of put for number
The optical path sealing device and its light path system of film projector.
Background technique
Light source and light pipe are the important components of d-cinema projectors, it will directly affect d-cinema projectors
Optical visual effect.
It is current in the prior art, light source and light pipe are to be attached using Corner butt joint mode, and wherein there are installations
Gap, in addition, d-cinema projectors itself are designed to the structure of non-hermetic for the needs of heat dissipation.Therefore, fine dust
D-cinema projectors can be entered and be attached in light source exit lens and light pipe on optical wand outer surface, it is saturating to will affect light source outlet
The light transmittance of mirror and the efficiency of transmission of optical path, so that the projection brightness of motion picture projection is reduced, and passage at any time, this shadow
Sound can highlight further；Meanwhile the aggregation of dust will also result in light source and light pipe amount of localized heat continues excessive and makes to associated components
At damage, reduce the service life of associated components.In addition, since it needs to be replaced regularly for light source, and light source and light pipe are pacified
The position of dress is frequently necessary to fine tuning to guarantee that optical path is aligned, and therefore, can not also be solved by sealing light source with light pipe Hard link
The problem of certainly dust accumulates.
Therefore, in order to overcome technological deficiency of the existing technology, it is desirable to provide a kind of novel to be used for digital projector
Optical path sealing device and its light path system.
Summary of the invention
The purpose of the present invention is to provide a kind of optical path sealing devices and its light path system for digital projector.The light
Road sealing device can effectively avoid optical wand in light lens and light pipe and deposit dust, improve the light transmittance of light lens, increase electricity
The projection brightness of shadow projection, and the excessively multipair associated components of amount of localized heat is avoided to cause to damage, the service life of elongate member.And
And the optical path sealing device also effectively improves the flexibility of fine tuning operation, increases adjustable range, and light reflection can also be avoided dry
It disturbs.
One of in order to achieve the above objectives, the present invention provides a kind of optical path sealing device for digital projector, the light
Road sealing device includes with the fixing piece through through-hole；The optical path sealing device further include have the first cyclic annular regulating part,
Second cyclic annular regulating part, the first annular resilient part and the second annular resilient part；One end of described first cyclic annular regulating part is by described
In one end insertion through-hole of fixing piece；One end of described second cyclic annular regulating part is set in the outside of the other end of the fixing piece
On wall；The first annular resilient part is located on the other end of the described first cyclic annular regulating part and protrudes from the described first cyclic annular tune
Save the end face of part；The second annular resilient part is located on the other end of the described second cyclic annular regulating part and protrudes from described second
The end face of cyclic annular regulating part；The inner sidewall of the fixing piece, the first cyclic annular regulating part and the second cyclic annular regulating part, which is all covered with, to disappear
Light coating.
Further, it is preferable to scheme is, the described first cyclic annular regulating part is far from being configured with the first groove on the end face of fixing piece；
The first annular resilient part configuration is in first groove；The second cyclic annular regulating part on the end face of fixing piece far from matching
It is equipped with the second groove；The second annular resilient part configuration is in second groove.
Further, it is preferable to which scheme is, the optical path sealing device further includes having around the fixed fixing piece lateral wall
Bottom plate.
Further, it is preferable to which scheme is, between the described first cyclic annular regulating part outer side wall surface and corresponding inner side wall of through hole
It is provided with mutually matched fine thread structure；The second cyclic annular regulating part interior side-wall surface and corresponding through-hole lateral wall it
Between be provided with mutually matched fine thread structure.
Further, it is preferable to which scheme is, the described first cyclic annular regulating part includes that the first flat part is remote with from the first flat part
The first bending part that one end outward bending from fixing piece is formed, the first annular resilient part are located at first bending part
On.
Further, it is preferable to scheme is, the described second cyclic annular regulating part includes the second flat part and flat from described second
Straight portion bends inwards the second bending part to be formed far from one end of fixing piece, and it is curved that the second annular resilient part is located at described second
On folding part.
Further, it is preferable to which scheme is, the material of the delustred coating is the delustring ink containing iron oxide black.
A further object according to the present invention provides a kind of light path system, and the light path system includes: light source: being gone out with light source
The light pipe of mouth end connection: the light processing engine being connect with the outlet end of light pipe；The mirror being connect with light processing engine outlet end
Head；And optical path sealing device as described above；The optical path sealing device is configurable for being tightly connected the light source
The arrival end of outlet end and light pipe.
Further, it is preferable to scheme is, the outlet end of the first annular resilient part and the light source of the optical path sealing device
It is tightly connected；Second annular resilient part of the optical path sealing device and the arrival end of the light pipe are tightly connected.
Beneficial effects of the present invention are as follows:
1, optical path sealing device provided by the invention can effectively avoid optical wand in light source exit lens and light pipe and deposit dust,
The light transmittance for improving light lens, increases the projection brightness of motion picture projection, and the excessively multipair associated components of amount of localized heat is avoided to make
At damage, extend the service life of associated components.The optical path sealing device can also effectively improve the flexibility of fine tuning operation simultaneously,
Increase adjustable range, light reflection interference can also be avoided.
2, optical path sealing device provided by the invention is configured with fine thread structure, improves the Adjustment precision of sealing device,
The good damping sense ensured, while improving self-locking reliability.
3, optical path sealing device provided by the invention is configured with flat part and bending part, the first annular resilient part and the second ring
Shape elastic component is arranged on bending part, it is possible to increase the area of the first annular resilient part and the second annular resilient part expands simultaneously
First annular resilient part and light source outlet end, the contact area of the second annular resilient part and light pipe arrival end, so that compressing effect
More preferably, the sealing effect of optical path sealing device is further increased.
Optical path sealing device and light path system including the optical path sealing device compared with the existing technology possessed by it is excellent
Gesture is identical, and details are not described herein.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows the decomposition texture schematic diagram of the optical path sealing device of one embodiment of the present invention.
Fig. 2 shows the assembling structure schematic diagrams of the optical path sealing device of one embodiment of the present invention.
Fig. 3 shows the light path system structural schematic diagram of one embodiment of the present invention
Specific embodiment
In following description given, for purposes of illustration, in order to provide comprehensive reason to one or more embodiment
Solution, numerous specific details are set forth.It may be evident, however, that these realities can also be realized without these specific details
Apply mode.
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
It is current in the prior art, light source and light pipe are to be attached using Corner butt joint mode, and wherein there are installations
Gap, in addition, d-cinema projectors itself are designed to the structure of non-hermetic for the needs of heat dissipation.Therefore, fine dust
D-cinema projectors can be entered and be attached in light source exit lens and light pipe on optical wand outer surface, it is saturating to will affect light source outlet
The light transmittance of mirror and the efficiency of transmission of optical path, so that the projection brightness of motion picture projection is reduced, and passage at any time, this shadow
Sound can highlight further；Meanwhile the aggregation of dust will also result in light source and light pipe amount of localized heat continues excessive and makes to associated components
At damage, reduce the service life of associated components.In addition, since it needs to be replaced regularly for light source, and light source and light pipe are pacified
The position of dress is frequently necessary to fine tuning to guarantee that optical path is aligned, and also can not solve dust by sealing light source and light pipe Hard link
The problem of accumulation.Therefore, it to solve the above problems, the present invention provides a kind of preferred embodiment, provides a kind of for number
The optical path sealing device 10 of projector, as shown in Figure 1-3, the optical path sealing device 10 includes with consolidating through through-hole 12
Determine part 11；The optical path sealing device 10 further includes having the first cyclic annular bullet of cyclic annular the 13, second cyclic annular regulating part 14, first of regulating part
Property part 15 and the second annular resilient part 16；One end of described first cyclic annular regulating part 13 is inserted into logical by one end of the fixing piece 11
In hole 12；On the lateral wall for the other end that one end of described second cyclic annular regulating part 14 is set in the fixing piece 11；Described
One annular resilient part 15 is located on the other end of the described first cyclic annular regulating part 13 and protrudes from the described first cyclic annular regulating part 13
End face；The second annular resilient part 16 is located on the other end of the described second cyclic annular regulating part 14 and protrudes from described second
The end face of cyclic annular regulating part 14；The first annular resilient part 15 is used to compress the end face of the outlet end 21 of light source 20 to play
The effect of sealed connection, the end face of second annular resilient 16 arrival ends 31 for compressing light pipe 30 simultaneously enter around light pipe
The end face at mouth end 31, to play the role of sealed connection.The first annular resilient part 15, the second annular resilient part 16 can examples
For example elastic washer.The inner sidewall of the cyclic annular regulating part 13 of the fixing piece 11, first and the second cyclic annular regulating part 14 is all covered with
Delustred coating.Further, the material of the delustred coating is the delustring ink containing iron oxide black, light can be effectively prevent to reflect
Interference.
Using the optical path sealing device 10 of this preferred embodiment, as shown in Figs. 1-2, first by adjusting the first ring-type
It saves part 13 to be inserted into the through-hole 12 of fixing piece 11, the second cyclic annular regulating part 14 is set on the lateral wall of fixing piece 11, then by the
The end face of one annular resilient part 15 and the outlet end 21 of light source 20, which compresses, to be tightly connected, and the second annular resilient part 16 is entered with light pipe
The end face at mouth end 31, which compresses, to be tightly connected, and is all disposed within fixing piece compared to the first cyclic annular regulating part and the second cyclic annular regulating part and leads to
Situation about in hole or being all set on fixing piece lateral wall, this structure to finely tune in operating process again, and first cyclic annular adjusts
Part is saved, will not be interfered with each other between the second cyclic annular regulating part, the flexibility of fine tuning operation can be effectively improved, increase and adjust model
It encloses；It can also effectively avoid optical wand in light source exit lens and light pipe to deposit dust simultaneously, improve the light transmittance of light lens, increase
Add the projection brightness of motion picture projection, user does not need frequently to check whether optical wand and light source exit lens have dust stratification in light pipe yet
Dirt, and the excessively multipair associated components of amount of localized heat is avoided to cause to damage, extend the service life of associated components.In addition, described solid
The inner sidewall for determining the cyclic annular regulating part 13 of part 11, first and the second cyclic annular regulating part 14 is all covered with delustred coating, can effectively prevent
Light reflection interference.
It is further preferred that the optical path sealing device 10 further includes having around the bottom of fixed 11 lateral wall of fixing piece
Plate 17, bottom plate is mountable to be fixed on projection machine base and complete machine bracket.It is provided on the bottom plate 17 as shown in Figs. 1-2 several
It is solid by bolted-on to be correspondingly configured with several through-holes, fixing piece 11 and bottom plate 17 on the lateral wall of the fixing piece 11 for through-hole
It is fixed.In addition, being provided with mutual cooperation between the described first cyclic annular 13 outer side wall surface of regulating part and corresponding 12 inner sidewall of through-hole
Fine thread structure；Phase is provided between described second cyclic annular 14 interior side-wall surface of regulating part and corresponding 12 lateral wall of through-hole
The fine thread structure mutually cooperated, fine thread structure can effectively improve the Adjustment precision of optical path sealing device, it is ensured that good
Damping sense, while improving self-locking reliability.
To achieve the object of the present invention, the present invention also provides another preferred embodiment, wherein first ring
The first groove 131 is configured on end face of the shape regulating part 13 far from fixing piece 11；The configuration of first annular resilient part 15 is in institute
It states in the first groove 131；The second groove 141 is configured on described second end face of the cyclic annular regulating part 14 far from fixing piece 11；Institute
The configuration of the second annular resilient part 16 is stated in second groove 141.Further, the described first cyclic annular regulating part 13 includes
First flat part 132 and the first bending part 133 formed from the first flat part 132 far from one end outward bending of fixing piece 11,
The first annular resilient part 15 is located on first bending part 133.Described second cyclic annular regulating part 14 includes second flat
Straight portion 142 and the second bending part 143 to be formed that bends inwards from second flat part 142 far from one end of fixing piece 11,
The second annular resilient part 16 is located on second bending part 143.It is filled using the sealing of this another preferred embodiment
It sets, it is possible to increase the area of the first annular resilient part and the second annular resilient part, while expanding the first annular resilient part and going out with light source
Mouth end, the contact area of the second annular resilient part and light pipe arrival end further increase optical path sealing so that compression effect is more preferable
The sealing effect of device.
As shown in Figs. 1-2, when practical operation, the first cyclic annular regulating part 13 is inserted into the through-hole 12 of fixing piece 11 first,
On the lateral wall for the other end that the second cyclic annular regulating part 14 is set in fixing piece 11 again, then the first annular resilient part 15 is consolidated
It is scheduled in the first groove 131 of the first cyclic annular regulating part 13, then the second annular resilient part 16 is fixed on the second cyclic annular regulating part
In 14 the second groove 141, recycles the first annular resilient part 15 to compress the end face of the outlet end 21 of light source 20, reuse second
Annular resilient part 16 compresses the end face of the arrival end 31 of light pipe 30.Using this sealing device, it is saturating to can effectively avoid light source outlet
Optical wand deposits dust in mirror and light pipe, improves the light transmittance of light source exit lens, increases the projection brightness of motion picture projection, and keep away
Exempt from the excessively multipair associated components of amount of localized heat to cause to damage, extends the service life of associated components.The sealing device can also have simultaneously
Effect improves the flexibility of fine tuning operation, increases adjustable range, can also avoid light reflection interference.
According to another aspect of the present invention, the present invention also provides another preferred embodiment, the preferred implementation sides
Formula provides a kind of light path system, as shown in figure 3, the light path system includes: light source 20: the light pipe connecting with light source outlet end 21
30: the light processing engine 40 being connect with the outlet end 31 of light pipe；The camera lens 50 being connect with 40 outlet end of light processing engine；With
And optical path sealing device 10 as described above；The optical path sealing device 10 is configurable for being tightly connected the light source 20
The arrival end 31 of outlet end 21 and light pipe 30.Wherein, the first annular resilient part 15 and the light of the optical path sealing device 10
The outlet end 21 in source 20 is tightly connected；The arrival end of second annular resilient part 16 and the light pipe 30 of the optical path sealing device
31 are tightly connected.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (9)
1. a kind of optical path sealing device for digital projector, which is characterized in that
The optical path sealing device includes with the fixing piece through through-hole；
The optical path sealing device further includes having the first cyclic annular regulating part, the second cyclic annular regulating part, the first annular resilient part and the
Two annular resilient parts；
One end of described first cyclic annular regulating part is by one end insertion through-hole of the fixing piece；
On the lateral wall for the other end that one end of described second cyclic annular regulating part is set in the fixing piece；
The first annular resilient part is located on the other end of the described first cyclic annular regulating part and protrudes from the described first cyclic annular tune
Save the end face of part；
The second annular resilient part is located on the other end of the described second cyclic annular regulating part and protrudes from the described second cyclic annular tune
Save the end face of part；
The inner sidewall of the fixing piece, the first cyclic annular regulating part and the second cyclic annular regulating part is all covered with delustred coating.
2. optical path sealing device according to claim 1, which is characterized in that
The first cyclic annular regulating part is far from being configured with the first groove on the end face of fixing piece；The first annular resilient part configuration
In first groove；
The second cyclic annular regulating part is far from being configured with the second groove on the end face of fixing piece；The second annular resilient part configuration
In second groove.
3. optical path sealing device according to claim 1, which is characterized in that the optical path sealing device further include have it is circular
The bottom plate of the fixed fixing piece lateral wall.
4. optical path sealing device according to claim 1, which is characterized in that
Mutually matched closely-pitched spiral shell is provided between described first cyclic annular regulating part outer side wall surface and corresponding inner side wall of through hole
Line structure；
Mutually matched closely-pitched spiral shell is provided between described second cyclic annular regulating part interior side-wall surface and corresponding through-hole lateral wall
Line structure.
5. optical path sealing device according to claim 1, which is characterized in that
Described first cyclic annular regulating part includes the first flat part and one end outward bending from the first flat part far from fixing piece
The first bending part formed,
The first annular resilient part is located on first bending part.
6. optical path sealing device according to claim 1, which is characterized in that
The second cyclic annular regulating part include the second flat part and from the described one end of second flat part far from fixing piece to
The second bending part that inner bending is formed,
The second annular resilient part is located on second bending part.
7. optical path sealing device according to claim 1, which is characterized in that the material of the delustred coating is containing iron oxide
Black delustring ink.
8. a kind of light path system, which is characterized in that the light path system includes:
Light source:
The light pipe being connect with light source outlet end:
The light processing engine being connect with the outlet end of light pipe；
The camera lens being connect with the outlet end of the light processing engine；And
Optical path sealing device as described in claim 1-7；
The optical path sealing device is configurable for being tightly connected the outlet end of the light source and the arrival end of light pipe.
9. light path system according to claim 8, which is characterized in that
First annular resilient part of the optical path sealing device and the outlet end of the light source are tightly connected；
Second annular resilient part of the optical path sealing device and the arrival end of the light pipe are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602416.3A CN110398873A (en) | 2019-07-05 | 2019-07-05 | A kind of optical path sealing device and its light path system for digital projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602416.3A CN110398873A (en) | 2019-07-05 | 2019-07-05 | A kind of optical path sealing device and its light path system for digital projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110398873A true CN110398873A (en) | 2019-11-01 |
Family
ID=68323812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910602416.3A Pending CN110398873A (en) | 2019-07-05 | 2019-07-05 | A kind of optical path sealing device and its light path system for digital projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110398873A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015119296A1 (en) * | 2014-02-10 | 2015-08-13 | 日本電産サンキョー株式会社 | Method for producing optical unit and optical unit |
| WO2016137232A1 (en) * | 2015-02-26 | 2016-09-01 | 최승신 | Multifocal optical lighting device |
| CN210222464U (en) * | 2019-07-05 | 2020-03-31 | 中影巴可（北京）电子有限公司 | Light path sealing device for digital projector and light path system thereof |
-
2019
- 2019-07-05 CN CN201910602416.3A patent/CN110398873A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015119296A1 (en) * | 2014-02-10 | 2015-08-13 | 日本電産サンキョー株式会社 | Method for producing optical unit and optical unit |
| WO2016137232A1 (en) * | 2015-02-26 | 2016-09-01 | 최승신 | Multifocal optical lighting device |
| CN210222464U (en) * | 2019-07-05 | 2020-03-31 | 中影巴可（北京）电子有限公司 | Light path sealing device for digital projector and light path system thereof |
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