WO2021121299A1 - Ensemble de réglage de roue chromatique et dispositif optique - Google Patents

Ensemble de réglage de roue chromatique et dispositif optique Download PDF

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Publication number
WO2021121299A1
WO2021121299A1 PCT/CN2020/137080 CN2020137080W WO2021121299A1 WO 2021121299 A1 WO2021121299 A1 WO 2021121299A1 CN 2020137080 W CN2020137080 W CN 2020137080W WO 2021121299 A1 WO2021121299 A1 WO 2021121299A1
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WO
WIPO (PCT)
Prior art keywords
color wheel
adjusting
fixing
limiting
bracket
Prior art date
Application number
PCT/CN2020/137080
Other languages
English (en)
Chinese (zh)
Inventor
陈永壮
李屹
Original Assignee
深圳光峰科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳光峰科技股份有限公司 filed Critical 深圳光峰科技股份有限公司
Publication of WO2021121299A1 publication Critical patent/WO2021121299A1/fr

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    • 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
    • G03B21/20—Lamp housings

Definitions

  • This application relates to the field of optical technology, in particular to a color wheel adjustment assembly and an optical device.
  • Projectors especially DLP projectors
  • the projection light source is used together with the color wheel module, so that the light can be converted into colored light when passing through different color areas of the color wheel, such as red light, green light and blue light, etc., and then the colored light is converted by digital micromirror components It is projected to the screen to form an image. Therefore, the accuracy of the color wheel position is critical to the projection performance.
  • the optical system is often deviated on the optical path, which in turn affects the performance of the optical system and the quality of the image projected by the projector.
  • This application mainly provides a color wheel adjustment assembly and optical device with a simple structure and more flexible color wheel adjustment.
  • a technical solution adopted in this application is to provide a color wheel adjustment assembly, including: a fixing bracket having a first fixing part and a second fixing part; The bracket is used to install the color wheel; and the first adjusting member and the second adjusting member, wherein the first adjusting member is used to cooperate with the first fixing portion to fix the color wheel bracket, so The second adjusting member is used to cooperate with the second fixing portion to fix the color wheel bracket.
  • the first fixing portion includes a first limiting portion and a first adjusting portion
  • the color wheel bracket includes a first adjusting member support portion, wherein the first limiting portion is connected to the color
  • the first limiting hole opened on the wheel bracket is correspondingly provided
  • the first adjusting portion is provided corresponding to the first adjusting member supporting portion
  • the first adjusting member includes a first adjusting rod member and a first limiting rod member, so The first adjusting rod is inserted between the first adjusting part and the first adjusting part supporting part to adjust the relative movement between the color wheel bracket and the first fixing part
  • the The first limiting rod is inserted between the first limiting portion and the first limiting hole to limit the movement stroke between the color wheel bracket and the first fixing portion.
  • the second fixing portion includes a second limiting portion and a second adjusting member support portion
  • the color wheel bracket includes a second adjusting portion
  • the second limiting portion is connected to the color wheel bracket
  • the second limiting hole opened on the upper side is correspondingly provided
  • the second adjusting portion is provided corresponding to the second adjusting member support portion
  • the second adjusting member includes a second adjusting rod and a second limiting rod, so The second adjusting rod is inserted between the second adjusting part and the second adjusting part supporting part to adjust the relative movement between the color wheel bracket and the second fixing part, the The second limiting rod is inserted between the second limiting portion and the second limiting hole to limit the movement stroke between the color wheels and the first fixing portion.
  • the first fixing part fixes the upper end of the color wheel bracket
  • the second fixing part fixes the lower end of the color wheel bracket
  • the first limiting hole and the second limiting hole are U-shaped holes, and the first limiting portion is provided with a through hole corresponding to the first limiting hole, so The second limiting portion is provided with a through hole corresponding to the second limiting hole.
  • the first adjusting rod is an adjusting screw
  • a threaded hole is opened on the first adjusting part
  • the adjusting screw is penetrated through the first adjusting part under the support of the first adjusting part.
  • the threaded hole is capable of relative movement between the color wheels and the first fixing part under the thread cooperation of the adjusting screw and the threaded hole.
  • the second adjusting rod is an adjusting screw
  • the second adjusting part is provided with a threaded hole
  • the adjusting screw is penetrated through the second adjusting part under the support of the second adjusting part.
  • the threaded hole is capable of relative movement between the color wheels and the second fixing part under the thread cooperation of the adjusting screw and the threaded hole.
  • U-shaped support holes are opened on the first adjustment support portion and the second adjustment support portion.
  • the color wheel adjustment assembly further includes a base, and the first fixing part and the second fixing part are fixedly connected to the base.
  • the base includes a first positioning portion and a second positioning portion, the first fixing portion is connected to the first positioning portion, and the second fixing portion is connected to the second positioning portion, The first positioning portion is higher than the second fixing position portion, so that the first fixing portion fixes the upper end of the color wheel bracket, and the second fixing portion fixes the lower end of the color wheel bracket.
  • the first positioning portion is at least two positioning posts.
  • An optical device which comprises a color wheel and the above-mentioned color wheel adjustment assembly, and the color wheel is fixed on the color wheel support of the color wheel adjustment assembly.
  • the optical device further includes an incident light guiding device and an emergent light shaping device, wherein the incident light guiding device is used for guiding incident light to the color wheel, and the emergent light shaping device is used for Light-shaping the light emitted from the color wheel.
  • the color wheel adjusting assembly provided by the present application includes a fixing bracket, a color wheel bracket, and an adjusting assembly;
  • the relative displacement between the two can cause a first relative displacement between the color wheel holder and the first fixing part.
  • the relative displacement between the color wheel bracket and the first fixing part can be made, and the movement and rotation of the color wheel bracket can be realized by controlling the magnitude of the first relative displacement and the second relative displacement, the structure is simple, and the adjustment process is convenient.
  • Figure 1 is an exploded view of the color wheel adjustment assembly provided by this application (the base is not shown);
  • FIG. 2 is a schematic diagram of the structure of the disassembled optical device provided by the present application.
  • Fig. 3 is a schematic top view of the assembly of the optical device in Fig. 1.
  • first”, “second”, and “third” in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first”, “second”, and “third” may explicitly or implicitly include at least one of the features.
  • "a plurality of” means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indicators (such as up, down, left, right, front, back%) in the embodiments of this application are only used to explain the relative positional relationship between the components in a specific posture (as shown in the drawings) , Movement status, etc., if the specific posture changes, the directional indication will also change accordingly.
  • Figure 1 is an exploded view of the color wheel adjustment assembly provided in this application.
  • the color wheel adjustment components include:
  • the fixing bracket 11 has a first fixing portion 111 and a second fixing portion 112.
  • the color wheel bracket 12 is fixed on the fixing bracket 11 for mounting the color wheel 14;
  • the first adjusting member and the second adjusting member wherein the first adjusting member is used to cooperate with the first fixing portion 111 to fix the color wheel holder 12, and the second adjusting member is used to cooperate with the second fixing portion 112 to mutually cooperate with each other. Fix the color wheel bracket 12.
  • the color wheel bracket 12 can move relative to the first fixing portion 111, and adjusting the second adjusting member can make the color wheel bracket 12 move relative to the second fixing portion 112, thereby realizing the adjustment of the color wheel. Adjustment of the position of the bracket 12.
  • the first fixing portion 111 and the second fixing portion 112 are two independent parts, and the first fixing portion 111 cooperates with the first adjusting member to fix the upper end of the color wheel bracket 12 ,
  • the second fixing portion 112 cooperates with the second adjusting member to fix the lower end of the color wheel bracket 12, so that the upper end of the color wheel bracket 12 can move relative to the first fixing portion 111, and the lower end of the color wheel bracket 12 can be with the second
  • the fixed portion 112 moves relative to each other, so as to realize the translation and pitch adjustment of the color wheel bracket 12, that is, the color wheel 14.
  • the upper and lower ends of the color wheel holder 12 move in the same direction with the same displacement, then the color wheel holder 12 can be translated, and the upper and lower ends of the color wheel holder 12 move in different directions or move in the same direction with different displacements, then It can realize pitch adjustment.
  • the first fixing portion 111 includes a first limiting portion 1111 and a first adjusting portion 1112
  • the color wheel bracket includes a first adjusting member support portion 121, wherein the first limiting portion 1111 and the color wheel bracket 12
  • the first limiting hole 122 opened on the upper side is correspondingly provided, and the first adjusting portion 1112 is provided correspondingly to the first adjusting member supporting portion 121.
  • the first adjusting member includes a first adjusting rod 131 and a first limiting rod 132.
  • the adjusting rod 131 penetrates between the first adjusting part 1112 and the first adjusting part supporting part 121 to adjust the relative movement between the color wheel bracket 12 and the first fixing part 111, and the first limiting rod 132 penetrates It is arranged between the first limiting portion 1111 and the first limiting hole 122 to limit the movement stroke between the color wheel bracket 12 and the first fixing portion 111.
  • the first limiting portion 1111 is provided with a through hole
  • the first limiting hole 122 is a special-shaped hole, preferably a U-shaped hole, and the length of the U-shaped hole is between the color wheel support 12 and the first fixing portion 111
  • the running itinerary is.
  • the first limiting rod 132 is a bolt, which penetrates through the through hole on the first limiting portion 1111 and the first limiting hole 122.
  • the first adjusting rod 131 is an adjusting screw
  • the first adjusting portion 1112 of the first fixing portion 111 is provided with a threaded hole.
  • the first adjusting member supporting portion 121 may be a supporting plate or a supporting plate for supporting the first adjusting member, and the supporting plate or the supporting table is provided with a hole for piercing an adjusting screw, preferably a U-shaped supporting hole. Under the action of external force, the adjusting screw moves relative to the threaded hole, thereby driving the color wheel bracket 12 to move relative to the first fixing portion 111, and the displacement of the relative movement is restricted by the first limiting hole 122.
  • the second fixing portion 112 and the first fixing portion 111 have the same or similar structure, and also include a limiting portion and an adjusting portion, and the second adjusting member has the same or similar structure as the first adjusting member, and also includes adjusting The rod and the limiting rod, and the color wheel bracket is also provided with a limiting hole corresponding to the limiting part on the second fixing part 112, and a supporting part for supporting the adjusting rod is also provided.
  • the second fixing portion 112 includes a second limiting portion 1121 and a second adjusting member support portion 1122
  • the color wheel bracket includes a second adjusting portion 123, wherein the second limiting portion 1121 and the color wheel bracket
  • the second limiting hole 124 opened on 12 is correspondingly provided
  • the second adjusting portion 123 is provided corresponding to the second adjusting member supporting portion 1122
  • the second adjusting member includes a second adjusting rod 133 and a second limiting rod 134.
  • the two adjusting rods 133 are inserted between the second adjusting part 123 and the second adjusting part supporting part 1122 to adjust the relative movement between the color wheel support 12 and the second fixing part 112, and the second limiting rod 134 It penetrates between the second limiting portion 1121 and the second limiting hole 124 to limit the movement stroke between the color wheel bracket 12 and the second fixing portion 112.
  • the second limiting portion 1121 is provided with a through hole.
  • the second limiting hole 124 is a special-shaped hole, preferably a U-shaped hole.
  • the length of the U-shaped hole is between the color wheel support 12 and the second fixing portion 112.
  • the second limiting rod 134 is a bolt, which penetrates through the through hole on the second limiting portion 1121 and the second limiting hole 124.
  • the second adjusting rod 133 is an adjusting screw
  • the second adjusting member supporting portion 1112 of the second fixing portion 112 may be a supporting plate or a supporting plate for supporting the second adjusting member.
  • the hole through which the adjusting screw is inserted is preferably a U-shaped supporting hole.
  • a threaded hole is opened on the second adjusting portion 123. Under the action of external force, the adjusting screw moves relative to the threaded hole, thereby driving the color wheel bracket 12 to move relative to the second fixing portion 112, and the displacement of the relative movement is restricted by the second limiting hole 124.
  • the first fixing portion 111 fixes the upper end of the color wheel bracket 12, and the second fixing portion 112 fixes the lower end of the color wheel bracket 12.
  • At least two first adjusting members that cooperate with the first fixing portion are provided.
  • the connection mode of the plurality of first adjusting members with the first fixing part and the color wheel bracket is as described above.
  • the adjustment direction or the adjustment stroke of the plurality of first adjustment members is different, and the rotation adjustment in the direction of the color wheel A can be realized.
  • first adjusting members are provided to cooperate with the first fixing portion, and one second adjusting member is provided to cooperate with the second fixing portion, and one of the first adjusting member and the second adjusting member are located on one side of the color wheel (such as The left side in Fig. 1), and the other first adjusting member is located on the other side of the color wheel (the right side in Fig. 1).
  • the adjustment strokes and directions of the first adjusting member and the second adjusting member on the left are the same, and the rotation adjustment of the color wheel in the A direction is realized through the difference of the adjustment strokes on the left and right.
  • the color wheel adjustment assembly further includes a base 15, and the first fixing portion 111 and the second fixing portion 112 are fixedly connected to the base 15.
  • the base 15 includes a first positioning portion 151 and a second positioning portion 152.
  • the first fixing portion 111 is connected to the first positioning portion 151
  • the second fixing portion 112 is connected to the second positioning portion 152
  • the first positioning portion 151 is high.
  • the first fixing portion 111 fixes the upper end of the color wheel bracket 12
  • the second fixing portion 112 fixes the lower end of the color wheel bracket 12.
  • the first positioning portion 151 is at least two positioning posts.
  • the center of the upper end of the positioning column is provided with a mounting hole
  • the first fixing portion 111 is provided with a mounting hole
  • the two are connected together by a connecting piece 211.
  • the first positioning part 151 is a positioning table. At least one mounting hole is provided on the positioning platform, and a mounting hole is provided on the second fixing portion 112, and the two are connected together by a connecting piece 212.
  • an optical device is provided.
  • the optical device includes a color wheel 14 and the above-mentioned color wheel adjustment assembly.
  • the color wheel 14 is fixed on the color wheel support of the color wheel adjustment assembly.
  • the optical device further includes an incident light guiding device 16 and an outgoing light shaping device 17, wherein the incident light guiding device 16 is used to guide the incident light 18 to the color wheel 14, and the outgoing light shaping device 17 is used to align the light from The emitted light 19 emitted from the color wheel 14 is light-shaped. Both the incident light guiding device 16 and the outgoing light shaping device are fixed on the base 15.
  • the incident light guiding device 16 may be a condensing lens
  • the outgoing light shaping device 17 may be a homogenizing device, such as a cloud light rod, a compound eye, and the like.
  • the color wheel adjustment assembly in this embodiment includes a fixed bracket, a color wheel bracket, and an adjustment assembly; the color wheel bracket is used to install the color wheel, and the adjustment assembly includes a first adjustment piece and a second adjustment piece.
  • the adjusting member connects one end of the color wheel bracket with the fixing bracket, and the second adjusting member connects the other end of the color wheel bracket with the fixing bracket.
  • one end of the color wheel bracket can be made And/or the other end of the color wheel bracket is close to or far away from the fixed bracket, so that the color wheel bracket moves or rotates relative to the fixed bracket, thereby adjusting the optical path position and angle of the reflected light path formed by the color wheel reflection, reducing the optical path of the reflected beam Deviation improves the optical path accuracy of the reflected beam, and the structure is simple, and the adjustment process is convenient.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

L'invention concerne un ensemble de réglage de roue chromatique et un dispositif optique. L'ensemble de réglage de roue chromatique comprend : un support de fixation (11) comportant une première partie de fixation (111) et une deuxième partie de fixation (112) ; un support de roue chromatique (12) fixé sur le support de fixation (11) et destiné à monter une roue chromatique (14) ; et un premier organe de réglage et un deuxième organe de réglage. Le premier organe de réglage sert à coopérer avec la première partie de fixation (111) pour fixer le support de roue chromatique (12), le deuxième organe de réglage sert à coopérer avec la deuxième partie de fixation (112) pour fixer le support de roue chromatique (12), et en réglant le premier organe de réglage et/ou le deuxième organe de réglage, le support de roue chromatique (12) et le support de fixation (11) peuvent se déplacer l'un par rapport à l'autre, de sorte que la structure est simple, et que le réglage de roue chromatique est plus flexible.
PCT/CN2020/137080 2019-12-18 2020-12-17 Ensemble de réglage de roue chromatique et dispositif optique WO2021121299A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201922284118.2U CN211348974U (zh) 2019-12-18 2019-12-18 一种色轮调节组件及光学装置
CN201922284118.2 2019-12-18

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WO2021121299A1 true WO2021121299A1 (fr) 2021-06-24

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PCT/CN2020/137080 WO2021121299A1 (fr) 2019-12-18 2020-12-17 Ensemble de réglage de roue chromatique et dispositif optique

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211348974U (zh) * 2019-12-18 2020-08-25 深圳光峰科技股份有限公司 一种色轮调节组件及光学装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007171859A (ja) * 2005-12-26 2007-07-05 Sharp Corp プロジェクタ
CN105988183A (zh) * 2015-02-10 2016-10-05 维嘉数控科技（苏州）有限公司 镜架调节装置
CN106918975A (zh) * 2017-03-28 2017-07-04 苏州佳世达光电有限公司 光学元件调整装置及使用其的投影装置
CN107179649A (zh) * 2017-07-10 2017-09-19 海信集团有限公司 激光光源的荧光轮调节结构、激光光源及投影显示装置
CN208013652U (zh) * 2018-04-17 2018-10-26 广景视睿科技（深圳）有限公司 一种投影仪及光路调整装置
CN211348974U (zh) * 2019-12-18 2020-08-25 深圳光峰科技股份有限公司 一种色轮调节组件及光学装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007171859A (ja) * 2005-12-26 2007-07-05 Sharp Corp プロジェクタ
CN105988183A (zh) * 2015-02-10 2016-10-05 维嘉数控科技（苏州）有限公司 镜架调节装置
CN106918975A (zh) * 2017-03-28 2017-07-04 苏州佳世达光电有限公司 光学元件调整装置及使用其的投影装置
CN107179649A (zh) * 2017-07-10 2017-09-19 海信集团有限公司 激光光源的荧光轮调节结构、激光光源及投影显示装置
CN208013652U (zh) * 2018-04-17 2018-10-26 广景视睿科技（深圳）有限公司 一种投影仪及光路调整装置
CN211348974U (zh) * 2019-12-18 2020-08-25 深圳光峰科技股份有限公司 一种色轮调节组件及光学装置

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