CN1873518A - Beam splitter - Google Patents

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Publication number
CN1873518A
CN1873518A CN 200510073534 CN200510073534A CN1873518A CN 1873518 A CN1873518 A CN 1873518A CN 200510073534 CN200510073534 CN 200510073534 CN 200510073534 A CN200510073534 A CN 200510073534A CN 1873518 A CN1873518 A CN 1873518A
Authority
CN
China
Prior art keywords
light
dividing device
load
carrying unit
active member
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.)
Pending
Application number
CN 200510073534
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Chinese (zh)
Inventor
耿笠腾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prodisc Technology Inc
Original Assignee
Prodisc Technology Inc
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 Prodisc Technology Inc filed Critical Prodisc Technology Inc
Priority to CN 200510073534 priority Critical patent/CN1873518A/en
Publication of CN1873518A publication Critical patent/CN1873518A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a light dividing device that has a case, a bearing component, a filter component, and a drive component. The bearing component is sliding at the case. The filter component has certain color. The drive component combines to the bearing component, and drives the bearing component back and forth. The filter component on bearing component could be quadrangle plates or column form. It resolves the eccentricity problem when installing the component and low using factor of the glass base board.

Description

Light-dividing device
Technical field
The present invention relates to a kind of light-dividing device, particularly relate to a kind of reciprocating light-dividing device that carries out.
Background technology
(Digital Light Processing DLP) owing to have high brightness, correct color reproducibility, reaction time, no noise and advantage such as compact fast, becomes one of shadow casting technique of present a new generation hot topic to digital light source processor.
DLP formula projector adopts digital control, and utilizes the reflected light principle, after light-source collecting, via lens focus, and after passing colored filter, be projected to the digital micromirror wafer (DigitalMicro-mirror Device, DMD) on.Owing to have many small movable lens on the micro mirror wafer, by drive electrode control movable lens angle of inclination and deflection period, the reflection direction by switches light throws imaging by camera lens again.
In DLP formula projector, as shown in Figure 1, be to be provided with one in order to colorific colour wheel 2, colour wheel 2 mainly is to comprise a cover plate 21, a colored filter 22 and a motor 23, cover plate 21 is to be fixed on the motor 23 with colored filter 22.Wherein, colored filter 22 is mainly in order to produce the optical element of image color in the colour wheel 2, known colored filter 22 is to be a tabular optical filter, manufacture method is to plate multiple pigment on a glass substrate, also inequality according to different its shape of purposes, size, color and luster assortment, for example: colored filter 22 can form circular filter or ring-like optical filter by red, green and blue three looks fan-shaped optical filter 221.
From the above, in known colored filter 22 coating techniques, be with the exposure imaging mode with required pattern transfer to glass substrate, and comprise and glass substrate cut into processing procedures such as fan-shaped optical filter 221 and assembling, yet, make the utilization factor of glass substrate reduce owing to be subject to fan-shaped cutting, that is usable area is less; In addition, if the fan-shaped optical filter 221 of polychrome is assembled into a circle to desire or the annular filter mating plate also can face the secret worry that occurs eccentricity issues easily, because all being higher than 7200, changes the rotating speed of general colour wheel 2 usefulness motors 23, therefore when center of rotation departs from rotating shaft core, that is center of rotation is not on rotating shaft core, then can cause the vibrations of colour wheel 2 and the formation of noise, more can influence the fiduciary level in the running.
This shows, in order to solve the above problems, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because above-mentioned defective, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and cooperates the utilization of scientific principle, actively studied innovation, in the hope of founding a kind of light-dividing device of new structure.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, a kind of light-dividing device of new structure is provided, technical matters to be solved is to make it be easy to filter element in order to carry the simple and assembling of a processing procedure, and makes filter element carry out a to-and-fro movement, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of light-dividing device that the present invention proposes, it is to be arranged at a housing, and this light-dividing device comprises: a load-carrying unit, this load-carrying unit are to be slidedly arranged on this housing; One filter element, it is the filter element of a tool color, this filter element is to be arranged at this load-carrying unit; And a Power Component, it is to be linked to this load-carrying unit, this Power Component is to drive this load-carrying unit to carry out a to-and-fro movement.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid light-dividing device, wherein said filter element are the filter elements that has a kind of color for.
Aforesaid light-dividing device more comprises: plural rolling element, it is to be arranged between this load-carrying unit and this housing, so that this this rolling element of load-carrying unit mat is slidedly arranged on this housing.
Aforesaid light-dividing device, an end of wherein said rolling element are to be fixedly arranged on this load-carrying unit or with a connection piece with a connection piece to be fixedly arranged on this housing.
Aforesaid light-dividing device, wherein said Power Component is to comprise a motor, an active member and a drive element, this active member is to be located in this motor, this active member is to contact with this drive element, and this drive element is to be linked to this load-carrying unit, this motor is to drive this active member, and this active member is to drive this drive element, so that this load-carrying unit carries out this to-and-fro movement.
Aforesaid light-dividing device, the radius of wherein said active member is to change gradually.
Aforesaid light-dividing device, wherein said active member are to be a cam.
Aforesaid light-dividing device, wherein said active member are to be one first gear, and this drive element is to be one second gear.
Aforesaid light-dividing device, wherein said active member are for a disking body or are to crank arm.
Aforesaid light-dividing device more comprises: a buffer element, its a end are to be fixedly arranged on this housing, and the other end is to be connected in this load-carrying unit, and wherein this buffer element is to be a spring.
Aforesaid light-dividing device, wherein said buffer element are to be a pneumatic piston or a hydraulic type piston.
Aforesaid light-dividing device, wherein said to-and-fro movement are to carry out straight reciprocating motion on a plane.
Aforesaid light-dividing device, wherein said filter element are for quadrilateral plates or are a column.
By technique scheme, light-dividing device of the present invention has following advantage at least:
Because of according to light-dividing device of the present invention being drives load-carrying unit by a Power Component to carry out a to-and-fro movement, in more detail, this to-and-fro movement is to carry out rectilinear motion on a plane, at this moment, the filter element that is arranged on the load-carrying unit is to be designed to quadrilateral plates or column .... etc., the design of this filter element is not only more known simple on processing procedure, improved the product yield, and the eccentricity issues that may meet with during the not high and assembling of glass substrate utilization factor when having solved the fan-shaped optical filter of known making is the purpose of joining and reaching known colour wheel spectrophotometric result in order to the light-dividing device that carries above-mentioned filter element with a to-and-fro movement according to sample to drape over one's shoulders.
In sum, the light-dividing device of special construction of the present invention is easy to filter element in order to carry the simple and assembling of a processing procedure, and makes filter element carry out a to-and-fro movement.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on apparatus structure or function, have large improvement technically, and produced handy and practical effect, extensive value with industry really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the synoptic diagram of the known colour wheel of a demonstration;
Fig. 2 is the synoptic diagram of a demonstration according to the light-dividing device of preferred embodiment of the present invention;
Fig. 3 to Fig. 6 is for showing one group of synoptic diagram according to the light-dividing device of another preferred embodiment of the present invention; And
Fig. 7 is the illustrative view of a demonstration according to the light-dividing device of preferred embodiment of the present invention.
2: colour wheel 21: cover plate
22: colored filter 221: fan-shaped optical filter
23: motor 3: light-dividing device
31: load-carrying unit 32: filter element
33: Power Component 331: motor
332: active member 333: drive element
34: rolling element 35: web member
36: buffer element 4: housing
D 1: first direction D 2: second direction
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of light-dividing device, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.Wherein components identical will be illustrated with identical reference marks.
Please refer to shown in Figure 2ly, according to the light-dividing device 3 of preferred embodiment of the present invention, it is to be arranged at a housing 4, and light-dividing device 3 comprises a load-carrying unit 31, a filter element 32 and a Power Component 33.
Load-carrying unit 31 is to be slidedly arranged on housing 4, in the present embodiment, light-dividing device 3 is more to comprise plural rolling element 34, and represented as Fig. 2 is to have 4 rolling elements 34 to be arranged at respectively in twos between load-carrying unit 31 and the housing 4, and makes load-carrying unit 31 mat rolling elements 34 be slidedly arranged on 4 of housings.
From the above, load-carrying unit 31 is slidedly arranged on the mode of housing 4, also can be as shown in Figure 3, one end of rolling element 34 is fixedly arranged on the load-carrying unit 31 with a connection piece 35, in addition, housing 4 also can have the track of ccontaining rolling element 34, is slidedly arranged on 4 of housings by the rolling element 34 that slides on track in 31 of this load-carrying units; In like manner, as shown in Figure 4, an end of rolling element 34 can also be fixedly arranged on the housing 4, at this moment by a connection piece 35, the both sides of load-carrying unit 31 can have the track of ccontaining rolling element 34 in addition, the sliding relation of mat track and rolling element 34 and make load-carrying unit 31 be slidedly arranged on 4 of housings.
Filter element 32 is filter elements 32 of a tool color, and it is to be arranged on the load-carrying unit 31.In the present embodiment, filter element 32 is the filter elements 32 that have a kind of color for, and filter element 32 can be designed to quadrilateral plates or a column, and according to actual needs, filter element 32 can be selected from redness, blueness or green optical filter.
To shown in Figure 4, Power Component 33 is to be linked to load-carrying unit 31 and to drive load-carrying unit 31 to carry out a to-and-fro movement as Fig. 2, and in more detail, Power Component 33 is to drive load-carrying unit 31 to carry out straight reciprocating motion on a plane.
From the above, Power Component 33 is to comprise a motor 331, an active member 332 and a drive element 333.Active member 332 is to be located in motor 331, and active member 332 is to contact with drive element 333, and drive element 333 is to be linked to load-carrying unit 31.Wherein, the radius of active member 332 is to change gradually.
In the present embodiment, as shown in Figure 2, active member 332 is to can be a cam, and this moment, drive element 333 was for being subjected to cam-actuated parts; In addition, as shown in Figure 5, active member 332 also can be one first gear, and this moment, 333 of drive elements were one second gear, and first gear and second gear are meshing each other; Again, as shown in Figure 6, active member 332 also can be a disking body or and cranks arm, and drive element 333 can be one and cranked arm activated by active member 332 this moment.
From the above, 331 in the motor of Power Component 33 is in order to drive active member 332, to drive drive element 333 by active member 332, and the load-carrying unit 31 that is linked to drive element 333 is moved back and forth.
Again, light-dividing device 3 according to preferred embodiment of the present invention more comprises a buffer element 36, its a end is to be fixedly arranged on the housing 4, the other end then is connected in load-carrying unit 31, in order to usefulness as buffering when load-carrying unit 31 moves back and forth, in the present embodiment, buffer element 36 can be a spring, a pneumatic piston or a hydraulic type piston .... etc.
Be more readily understood content of the present invention for making, below lift an example and please refer to Fig. 2 and Fig. 7 illustrates the start embodiment of the light-dividing device 3 of preferred embodiment of the present invention.
Please refer to Fig. 2 and shown in Figure 7, Power Component 33 drives active member 332 with a motor 331 and rotates, because the radius of active member 332 is to change gradually, as shown in Figure 2, r 1To r 2Radius value is to increase gradually; Therefore, when making the ascending variation of radius value of active member 332, can make the displacement of drive element 333 increase gradually, and then make load-carrying unit 31 toward first direction D when motor 331 driving active members 332 1Motion.
Otherwise, as shown in Figure 7, when motor 331 drives active members 332 and the radius value of active member 332 is changed to when descending, housing 4 also provides a restoring force with buffer element 36 between the load-carrying unit 31 simultaneously, and impels load-carrying unit 31 past second direction D 2Motion.Wherein, first direction D 1Be and second direction D 2On the contrary.Wherein, the radius value of active member 332 is visual actual needs and design difference.
Therefore, order about active member 332 by the motor 331 of Power Component 33 and constantly rotate, carried out the motion of linear reciprocation and reach load-carrying unit 31, and then make the filter element 32 that is arranged on the load-carrying unit 31 reach the effect of beam split.
In sum, according to light-dividing device of the present invention is to drive load-carrying unit by a Power Component to carry out a to-and-fro movement, in other words, be to make the filter element on the load-carrying unit on a plane, carry out rectilinear motion, when for example being used in this light-dividing device in the optical projection system, can reach the spectrophotometric result that known colour wheel reaches according to sample.In this, the filter element that is arranged on the load-carrying unit is to be designed to quadrilateral plates or column .... etc., the design of this filter element is can simplifying processing procedure, and the eccentricity issues that may meet with during the not high and assembling of glass substrate utilization factor when having solved the fan-shaped optical filter of known cutting.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (13)

1, a kind of light-dividing device, it is to be arranged at a housing, it is characterized in that this light-dividing device comprises:
One load-carrying unit, this load-carrying unit are to be slidedly arranged on this housing;
One filter element, it is the filter element of a tool color, this filter element is to be arranged at this load-carrying unit; And
One Power Component, it is to be linked to this load-carrying unit, this Power Component is to drive this load-carrying unit to carry out a to-and-fro movement.
2, light-dividing device according to claim 1 is characterized in that wherein said filter element is the filter element that has a kind of color for.
3, light-dividing device according to claim 1 is characterized in that more comprising:
The plural number rolling element, it is to be arranged between this load-carrying unit and this housing, so that this this rolling element of load-carrying unit mat is slidedly arranged on this housing.
4, light-dividing device according to claim 3, an end that it is characterized in that wherein said rolling element are to be fixedly arranged on this load-carrying unit or with a connection piece with a connection piece to be fixedly arranged on this housing.
5, light-dividing device according to claim 1, it is characterized in that wherein said Power Component is to comprise a motor, an active member and a drive element, this active member is to be located in this motor, this active member is to contact with this drive element, and this drive element is to be linked to this load-carrying unit, this motor is to drive this active member, and this active member is to drive this drive element, so that this load-carrying unit carries out this to-and-fro movement.
6, light-dividing device according to claim 5, the radius that it is characterized in that wherein said active member is to change gradually.
7, light-dividing device according to claim 5 is characterized in that wherein said active member is to be a cam.
8, light-dividing device according to claim 5 it is characterized in that wherein said active member is to be one first gear, and this drive element is to be one second gear.
9, light-dividing device according to claim 5 is characterized in that wherein said active member is for a disking body or is to crank arm.
10, light-dividing device according to claim 1 is characterized in that more comprising:
One buffer element, its a end are to be fixedly arranged on this housing, and the other end is to be connected in this load-carrying unit, and wherein this buffer element is to be a spring.
11, light-dividing device according to claim 10 is characterized in that wherein said buffer element is to be a pneumatic piston or a hydraulic type piston.
12, light-dividing device according to claim 1 is characterized in that wherein said to-and-fro movement is to carry out straight reciprocating motion on a plane.
13, light-dividing device according to claim 1 is characterized in that wherein said filter element is for quadrilateral plates or is a column.
CN 200510073534 2005-06-02 2005-06-02 Beam splitter Pending CN1873518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510073534 CN1873518A (en) 2005-06-02 2005-06-02 Beam splitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510073534 CN1873518A (en) 2005-06-02 2005-06-02 Beam splitter

Publications (1)

Publication Number Publication Date
CN1873518A true CN1873518A (en) 2006-12-06

Family

ID=37484024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510073534 Pending CN1873518A (en) 2005-06-02 2005-06-02 Beam splitter

Country Status (1)

Country Link
CN (1) CN1873518A (en)

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