CN110007458A - Light-path adjusting mechanism and its manufacturing method - Google Patents
Light-path adjusting mechanism and its manufacturing method Download PDFInfo
- Publication number
- CN110007458A CN110007458A CN201810012536.3A CN201810012536A CN110007458A CN 110007458 A CN110007458 A CN 110007458A CN 201810012536 A CN201810012536 A CN 201810012536A CN 110007458 A CN110007458 A CN 110007458A
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- Prior art keywords
- light
- adjusting mechanism
- path adjusting
- electromagnet
- permanent magnet
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
- G02B26/0883—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
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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
-
- 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
- G03B21/28—Reflectors in projection beam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
A kind of light-path adjusting mechanism includes frame, carrier, optical element, permanent magnet and electromagnet.Carrier is set in frame, and is connect with the first elastic component and the second elastic component with frame, and the first elastic component can substantially be swung with the second elastic component with a first axis.Optical element is located on carrier, and one of permanent magnet and electromagnet are only set on one end of carrier, and super substantially vertical with first axis away from power direction between permanent magnet and electromagnet.The present invention separately provides a kind of light-path adjusting mechanism manufacturing method.
Description
Technical field
The present invention relates to a kind of light-path adjusting mechanisms.
Background technique
In recent years, various image display technologies have been widely used in daily life.In an image display, example
As a settable light-path adjusting mechanism changes light in the traveling optical path in device, to provide such as raising imaging resolution, change
The various effects such as kind picture quality.However, the number of components of known light-path adjusting mechanism, weight, volume are larger, it is difficult into one
Step micromation.Therefore, it needs that a kind of structure is simple, reliability is high and the light-path adjusting mechanism that weight and volume can be greatly decreased is set
Meter.
" background technique " paragraph is used only to help to understand the content of present invention, therefore disclosed by " background technique " paragraph
Content may be comprising some without constituting known techniques known to those of ordinary skill in the art.In " background
Content disclosed by technology " paragraph does not represent the content or the one or more embodiments of present invention problem to be solved,
Known or recognized by those of ordinary skill in the art before the present patent application.
Summary of the invention
Other objects and advantages of the present invention can obtain further from the technical characteristic disclosed by the embodiment of the present invention
Understanding.
A viewpoint according to the present invention, provides a kind of light-path adjusting mechanism, includes frame, carrier, optical element, forever
Magnet and electromagnet.Carrier is set in frame, and is connect with the first elastic component and the second elastic component with frame, and the first elasticity
Part can substantially be swung with the second elastic component with a first axis.Optical element is located on carrier, permanent magnet and electromagnet it
One is set on one end of carrier, and super substantially vertical with first axis away from power direction between permanent magnet and electromagnet.
Another viewpoint according to the present invention, providing a kind of light-path adjusting mechanism includes frame, bearing seat, the first connection machine
Part, the second connection parts and magnetically actuated group.Bearing seat includes optical element and bracket, and bracket can be swung with first axle,
And optical element is integrally formed with bracket.First connection parts connect parts with second and are connected to bearing seat both ends and and frame
Connection, and magnetically actuated group includes a permanent magnet and an electromagnet.It is first part and second that first axle, which distinguishes bearing seat,
Point, and permanent magnet is only located on one end of one of both first part and second part.
Above-mentioned viewpoint according to the present invention, because the part-structure (such as permanent magnet or electromagnet) of magnetically actuated group is directly set
It is placed on bearing seat, the volume, weight or parts number of light-path adjusting mechanism entirety can be reduced, therefore be conducive to light-path adjusting mechanism is small
Type or slimming are with various miniature electronic devices of arranging in pairs or groups, and can design only unilateral side has magnetically actuated group to be further reduced body
Long-pending and weight simultaneously reduces manufacturing cost.Furthermore in the only unilateral design with magnetically actuated group, such as using alternately variation
Suction and repulsion driving optical element to improve the amplitude that swings of optical element, even if so only unilateral have magnetically actuated group
It remains to provide enough rotational angle ranges.
Other objects and advantages of the present invention can from disclosed herein technical characteristic in be further understood.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, special embodiment below simultaneously cooperates institute's attached drawing
Formula is described in detail below.
Detailed description of the invention
Fig. 1 is the schematic diagram of the light-path adjusting mechanism of one embodiment of the invention.
Fig. 2A and Fig. 2 B is the magnetic action schematic diagram for being painted the magnetically actuated group of one embodiment of the invention.
Fig. 3 is the actuating state schematic diagram of the bearing seat of one embodiment of the invention.
Fig. 4 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the present invention.
Fig. 5 A and Fig. 5 B are the magnetic action schematic diagram for being painted the magnetically actuated group of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the present invention.
Fig. 7 is the schematic diagram of the actuating assembly of another embodiment of the present invention.
Fig. 8 is that the light-path adjusting mechanism of one embodiment of the invention is applied to the schematic diagram of an optical system.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect refer to the embodiment of schema in following cooperation
Detailed description in, can clearly present.The direction term being previously mentioned in following embodiment, such as: it is upper and lower, left and right, preceding
Or it is rear etc., it is only the direction with reference to annexed drawings.Therefore, the direction term used is intended to be illustrative and not intended to limit this hair
It is bright.
Disclosure in following embodiments discloses a kind of light-path adjusting mechanism, can operate with different optical system (examples
Such as display device, projection arrangement) to adjust or change optical path in order to offer such as promotion imaging resolution, raising image quality
(eliminating dark space, softization image edge) and other effects is without limiting, and setting position of the light-path adjusting mechanism in optical system
And configuration mode does not limit completely.
Fig. 1 is the schematic diagram of the light-path adjusting mechanism of one embodiment of the invention.As shown in Figure 1, light-path adjusting mechanism 100 wraps
Containing a bearing seat 110, a magnetically actuated group 120, at least one connection parts 130 and a frame 140.In this present embodiment, it carries
Seat 110 comprising one can deviation light optical element 112 and one can carry optical element 112 bracket 114, bracket 114 is because can
It carries optical element 112 therefore also can be considered a carrier.The actuation form of bearing seat or carrier may be, for example, rotation, vibration,
Movement etc. is without limiting.Optical element 112 may be, for example, an eyeglass, and eyeglass only needs that the effect of deviation light can be provided,
Its form and type do not limit, and may be, for example, a lens (Lens) or a reflecting mirror (Mirror).Bracket 114 and optical element
112 can be identical material or different materials, and bracket 114 can be integrally formed with optical element 112.Magnetically actuated group 120
Such as may include electromagnet 122 and permanent magnet 124, electromagnet 122 for example may include an iron core 122a and be set around iron core 122a
Coil 122b, permanent magnet 124 may be, for example, a permanent magnet and can be set on one end of bearing seat 110, and electromagnet 122
Frame 140 can be such as set to.In this present embodiment, connection parts 130 for example may include the first elastic component 132 and for having restoring force
Two elastic components 134, and the both ends of the first elastic component 132 or the second elastic component 134 can be by the fixing piece of such as screw or bolt
It is separately connected and is fixed to frame 140 and bracket 114.
As shown in Figure 2 A and 2 B, in an embodiment, permanent magnet 124 is set on bearing seat 110 and such as left side is the pole S
And right side is the pole N, and the magnetic pole of electromagnet 122 can be changed by the flow direction of electric current I in the coil 122b for changing electromagnet 122
Property, when the left side of electromagnet 122 is the pole N and right side is the pole S, (Fig. 2A) can attract permanent magnet 124 and make 110 one end of bearing seat
It moves down, when the flow direction of electric current I is opposite, the left side of electromagnet 122 is the pole S and (Fig. 2 B) can repel when right side is the pole N
Permanent magnet 124 simultaneously moves up 110 one end of bearing seat.Therefore, alternately change by the magnetic polarity of electromagnet 122, electromagnet
122 alternately attract and repel permanent magnet 124 and elastic component 132,134 is made substantially to be swung and be made with axial direction C shown in FIG. 1
110 actuation of bearing seat.Therefore, as shown in figure 3, in an embodiment, the suction between permanent magnet 124 of electromagnet 122 can be allowed
Optical element 112 and bracket 114 turn to position M along direction of rotation P using axis A as axle center, and electromagnet 122 and permanent magnet
Optical element 112 and bracket 114 can be turned to position N, therefore optical element along opposite direction of rotation Q by the repulsion between 124
112 can using axis A as axle center within the scope of rotational angle θ reciprocally swinging or turn to different location with by incident light deflection to not
It is equidirectional, adjusted or changed the effect of light traveling optical path.In an embodiment, the rotational angle θ model of optical element 112
Enclosing to be -1 to 1 degree, and preferred range is +/- 0.2 to +/- 0.5 degree.It is adjusted by the light-path adjusting mechanism of the embodiment of the present invention
Or variation optical path, visual actual demand generate different effects, such as can be used to be promoted projection resolution, improve image quality
(eliminating dark space, softization image edge) etc. is without limiting.
It refer again to Fig. 1, in this present embodiment, axis A can substantially be overlapped axial C, but it is not limited.Axis A can be incited somebody to action
Bearing seat 110 divides for a first part and a second part, and only first part's (being illustrated as on the left of axis A) in this present embodiment
One end be equipped with electromagnet 122 or permanent magnet 124, that is, one of permanent magnet 124 and electromagnet 122 only be set to bracket 114 one
On end, it so can provide and reduce volume and weight and the effect for reducing manufacturing cost.Furthermore because both suction and repulsion can be towards phases
Opposite direction drives optical element 112, therefore light can be improved using suction and repulsion the driving optical element 112 of alternately variation simultaneously
The amplitude that swings of element 112 is learned, even if so only unilateral there is magnetically actuated group to remain to provide enough rotational angle ranges.Again
Person is super away from power direction T (such as Fig. 2A and Fig. 2 B between permanent magnet 124 and electromagnet 122 as shown in Figure 1, in this present embodiment
Shown in suction and repulsion direction), can be substantially vertical with the swing axial direction C of elastic component 132,134, with for example provide improve rotation
The effect of torque, but the present invention is not limited to this.Furthermore in an embodiment, axis A can substantially be overlapped axial C but unlimited
It is fixed, and the long axis direction L of electromagnet 122 or permanent magnet 124 can be substantially parallel with axis A or axial direction C.
As shown in figure 4, in another embodiment, light-path adjusting mechanism 200 can have there are two magnetically actuated group 120, and two
A magnetically actuated group 120 may be disposed at the two sides of bearing seat 110 but not limit.First connection parts 130a connect machine with one second
The both ends of part 130b connection bearing seat 110 and frame 140.Furthermore permanent magnet 124 is set to the mode on bearing seat 110 not
It limits.In this present embodiment, the two sides of bearing seat 110 can each extend over out an extension 110a, and 124 Pasting of permanent magnet in
On extension 110a.In another embodiment, permanent magnet 124 also can utilize screw or bolt such as connection parts 130a, 130b
Fixing piece be fixed to bearing seat 110.Furthermore in an embodiment.A settable gasket is in bearing seat 110 and the permanent magnet
Between 124 between (such as gasket 152) or bearing seat 110 and electromagnet 122 (such as gasket 154), to reduce bearing seat
Noise when 110 actuation.
Magnetically actuated group 120 only needs that the effect of driving bearing seat 110 can be generated, and composition component does not limit.In
In one embodiment, as shown in Figure 2 A and 2 B, N, S magnetic grade of permanent magnet 124 and electromagnet 122 can be formed in horizontal direction
Left and right side, in another embodiment, as shown in Fig. 5 A and Fig. 5 B, N, S magnetic grade of permanent magnet 124 and electromagnet 122 can be formed in
The upper and lower of vertical direction is without limiting.It should be noted Fig. 5 A, the N-S magnetic grade that the configuration mode of 5B only generates at one is matched, but schemed
Configuration mode shown in 2A, 2B can generate at two the N-S magnetic grade pairing on (left side and right side), therefore the configuration mode of Fig. 5 A, 5B
It will lead to less magnetic line of force quantity (i.e. magnetic force is relatively weak).Furthermore permanent magnet 124 and 122 relative axis A's of electromagnet matches
Direction and the visual changes in demand of magneticaction area are set without limiting.
Fig. 6 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the present invention.As shown in fig. 6, light-path adjusting mechanism 300
With the elastic component 302 being set between 110 one end of frame 140 and bearing seat.Elastic component 302 can support one end of bearing seat 110,
Bearing seat 110 is set to stay in a predetermined position.It can produce suction when electromagnet 122 is powered and attract permanent magnet 124, make bearing seat
110 one end rotate an angle and compression elastic piece 302, and when electromagnet 122 is not powered on, the restoring force of elastic component 302 can allow carrying
Seat 110 returns to the predetermined position.The present embodiment is not required to be alternately produced by the opposite magnetic attraction of action direction and elastic restoring force
Magnetic attraction and magnetic repulsion (current direction for varying without electromagnet 122), also can get make bearing seat 110 (comprising optics member
Part 112 and bracket 114) make the effect swung with axis A.Furthermore in an embodiment, elastic component 302 can be also omitted, directly benefit
Reach same effect with the elastic restoring force of connection parts 130 (such as elastic component 132,134) itself.In addition, implementing in one
In example, permanent magnet 124 can also be replaced by magnetic material, and electromagnet 122 can attract magnetic material and obtain same effect when being powered.
In the above embodiments, permanent magnet 124 is provided at one end of bearing support 114 and electromagnet 122 is set to frame
140, electromagnet 122 can be also set to one end of bearing support 114 and permanent magnet 124 is set to frame by however, the present invention is not limited thereto
140 also may be used.In an embodiment, permanent magnet 124 can also be replaced with air core coil, and air core coil and electromagnet 122 are arranged in pairs or groups equally
Suction and repulsion can be alternately produced.
By the design of above-described embodiment, because the part-structure (such as permanent magnet or electromagnet) of magnetically actuated group is directly set
It is placed on bearing seat, the volume, weight or parts number of light-path adjusting mechanism entirety can be reduced, therefore be conducive to light-path adjusting mechanism is small
Type or slimming are with various miniature electronic devices of arranging in pairs or groups, and can design only unilateral side has magnetically actuated group to be further reduced body
Long-pending and weight simultaneously reduces manufacturing cost.Furthermore in the only unilateral design with magnetically actuated group, such as using alternately variation
Suction and repulsion driving optical element to improve the amplitude that swings of optical element, even if so only unilateral have magnetically actuated group
It remains to provide enough rotational angle ranges.
The connection parts or elastic component of each embodiment of the present invention can have after deformation occurs when external force is cancelled can be towards extensive
The property for carrying out the direction change of size and shape is restored, material may be, for example, metal or plastic cement without limiting.Furthermore frame is only
It needs that an accommodating space can be defined, can have different form or shape, and may be, for example, pedestal or outline border etc. without limiting.
In an embodiment, using change bolt counterweight, screw counterweight, increase the modes tune such as mass block, setting pressing plate
The natural frequency of whole bearing seat makes the natural frequency of bearing seat can avoid covibration, and higher natural frequency can be improved and hold
The reaction speed of seat is carried, and lesser actuator can be used that bearing seat can be allowed to reach preset rotation angle.
In an embodiment, at least partly structure of light-path adjusting mechanism can be an integral structure to obtain and for example reduce zero
Number of packages simplifies overall structure and shortens the effect in assembling working hour.For example, connecting parts, optical element and bracket three can
Using identical material (such as plastic cement or metal) be integrally formed or in which two components be first integrally formed, such as optical element and
Bracket be first integrally formed or connect combined again with remaining element after parts, bracket are first integrally formed also can, that combines at this time consolidates
Determining mode can be glued bolt, dispensing or is fixed with screw.In another embodiment, connection parts, optical element, bracket and
Frame can be integrally formed using identical material (such as plastic cement or metal) or in which at least two components are first integrally formed
Afterwards, it then combines with remaining element and also may be used.
In another embodiment, as shown in fig. 7, also passing through using the piezoelectric element 150 for being set to bearing seat 110
Applying electric field on piezoelectric element 150 can make piezoelectric element 150 generate compression or stretcher strain, and machinery can be switched to for electric energy by implying that
It can be so that 110 reciprocally swinging of bearing seat reaches adjustment optical path effect.
Fig. 8 is that the light-path adjusting mechanism of one embodiment of the invention is applied to the schematic diagram of an optical system.Fig. 8 is please referred to,
Optical devices 400 include lighting system 310, light valve 320, projection lens 330 and light-path adjusting mechanism 100.Wherein, illumination system
System 310 has light source 312, is adapted to provide for light beam 314, and light valve 320 configures on the transmission path of light beam 314.This light valve 320
Suitable for light beam 314 is converted to most sub-image 314a.In addition, projection lens 330 is configured at the biography of these sub-images 314a
It passs on path, and light valve 320 is between lighting system 310 and projection lens 330.In addition, light-path adjusting mechanism 100 can match
It is placed between light valve 320 and projection lens 330, such as can be between light valve 320 and inner full-reflection prism 319 or can be with
Between inner full-reflection prism 319 and projection lens 330, and on the transmission path of these sub-image 314a.Above-mentioned
In Optical devices 400, light source 312 for example may include red light-emitting diode 312R, green light LED 312G and blue light hair
Optical diode 312B, the coloured light that each light emitting diode issues is via formation light beam 314, light beam after 316 light combination of a Multiplexing apparatus
314 can be sequentially by collection light beam (light integration rod) 317, lens set 318 and inner full-reflection prism (TIR
Prism)319.Later, light beam 314 can be reflexed to light valve 320 by inner full-reflection prism 319.At this point, light valve 320 can be by light beam
314 are converted into most sub-image 314a, and these sub-images 314a can sequentially pass through inner full-reflection prism 319 and optical path tune
Complete machine structure 100, and these sub-images 314a is projected on screen 350 via projection lens 330.In this present embodiment, when this
When a little image 314a passes through light-path adjusting mechanism 100, the biography of the meeting of light-path adjusting mechanism 100 these sub-images of changing section 314a
Pass path.That is, first on screen 350 can be projected in by these sub-images 314a of this light-path adjusting mechanism 100
Position (is not painted), can then be projected in screen by these sub-images 314a of this light-path adjusting mechanism 100 in another part time
The second position (not being painted) on curtain 350, wherein first position and the second position are (X-axis) or/and Vertical Square in the horizontal direction
A fixed range is differed on (Z axis).In this present embodiment, since light-path adjusting mechanism 100 can make these sub-images 314a's
Imaging position in the horizontal direction or/and Vertical Square moves up a fixed range, therefore can improve image horizontal resolution or/
And vertical resolution.Certainly, above-described embodiment is only to illustrate, and the light-path adjusting mechanism of the embodiment of the present invention, which can operate with, does not share the same light
System is to obtain different-effect, and setting position and configuration mode of the light-path adjusting mechanism in optical system are completely unlimited
It is fixed.
" optical element " term of the invention is that finger element has the material institute structure that partly or entirely can be reflected or penetrate
At generally including glass or plastic cement formed.For example, optical element can be lens, total reflection prism (TIR
Prism), reversed total-reflection prism group (RTIR Prism), various integrators, various optical filters etc..
Light valve (Light valve) 320 1 words have been that projection production circle is widely used, and can be used to refer to one mostly in this industry
Some Individual optical units in kind spatial light modulator (Spatial Light Modulator, SLM).So-called spatial light tune
Become device, containing there are many separate unit (Individual optical unit), these separate units are spatially arranged in one-dimensional or two-dimensional array.
Each unit can independently receive the control of optical signalling or electrical signal, using various physical effects (bubble Ke Ersi effect,
Kerr effect, acoustooptical effect, magneto-optic effect, the Self Electro-optic Effect of semiconductor or photorefractive effect etc.) change itself optics it is special
Property, so that the illuminating bundle to illumination in the most separate units is modulated, and image output light beam.Separate unit can
For optical elements such as minitype reflector or liquid crystal cells.Also that is, light valve can be digital micromirror elements (Digital Micro-
Mirror Device, DMD), silica-based liquid crystal panel (liquid-crystal-on-silicon panel, LCOS Panel) or
It is penetration liquid crystal display panel etc..
Projector is the device being projected to image in the way of optical projection on screen, in projector's industry, generally
According to the difference of light valve used in inside, projector is divided into cathode-ray tube (Cathode Ray Tube) formula projector, liquid
Crystal display (Liquid Crystal Display, LCD) formula projector, digital light projection machine (Digital Light
Projector, DLP) and liquid crystal cover silicon (Liquid Crystal on Silicon, LCOS) projector.Because projector operates
When light can use the projection of the light valves such as LCOS, DLP by LCD panel as light valve, so belong to penetration projector
Machine is then the principle imaging by light reflection, so referred to as opaque projector.And in this present embodiment, projector is number
Light projector, and light valve 320 is digital micromirror elements (DMD).
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention, any to be familiar with this skill
Skill person, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection scope of the present invention
Subject to view appended claims institute defender.In addition, any embodiment or claim of the invention is not necessary to reach this hair
Bright disclosed whole purposes or advantage or feature.In addition, abstract part and title are only used to that patent document search is assisted to be used,
The scope of the claims being not intended to limit the invention.
Claims (10)
1. a kind of light-path adjusting mechanism, characterized by comprising:
One frame；
One carrier is set in the frame, and is connect with one first elastic component and one second elastic component with the frame, wherein
First elastic component is swung with second elastic component with a first axis；
One optical element is located on the carrier；And
One permanent magnet and an electromagnet, one of the permanent magnet and the electromagnet are only set on one end of the carrier, and
It is super vertical with the first axis away from power direction between the permanent magnet and the electromagnet.
2. light-path adjusting mechanism as described in claim 1, which is characterized in that the optical element is made by axle center of an axis
It is dynamic, and the axis is overlapped the first axis.
3. a kind of light-path adjusting mechanism, characterized by comprising:
One frame；
One bearing seat includes an optical element and a bracket, and the bracket can swing with an axis, and the optical element and
The bracket is integrally formed；
One first connection parts connect parts with one second, are connected to the bearing seat both ends and connect with the frame；And
One magnetically actuated group includes a permanent magnet and an electromagnet；
It is a first part and a second part that wherein the axis, which distinguishes the bearing seat, and the permanent magnet be only located at it is described
On one end of one of both first part and the second part.
4. light-path adjusting mechanism as claimed in claim 2 or claim 3, which is characterized in that a long axis direction of the permanent magnet is parallel
The axis.
5. light-path adjusting mechanism as claimed in claim 1 or 3, which is characterized in that the electromagnet includes an iron core and winding
In the coil of the iron core, and the magnetic polarity of the electromagnet alternately changes.
6. light-path adjusting mechanism as claimed in claim 1 or 3, which is characterized in that the electromagnet alternately attracts and repels
The permanent magnet.
7. light-path adjusting mechanism as claimed in claim 1 or 3, which is characterized in that the optical element include a reflector plate or
One lens.
8. light-path adjusting mechanism as claimed in claim 3, which is characterized in that the light-path adjusting mechanism also includes:
One gasket is set between the bearing seat and the electromagnet.
9. light-path adjusting mechanism as claimed in claim 3, which is characterized in that the light-path adjusting mechanism also includes:
One elastic component, between the end and the frame of the bearing seat.
10. a kind of light-path adjusting mechanism manufacturing method, characterized by comprising:
One frame is provided；
One bearing seat is set in the frame, wherein the bearing seat is included an optical element and swung with an axis；
Parts, which are connect, with one second using one first connection parts connects the bearing seat both ends and the frame；And
One magnetically actuated group of a setting is selected to drive the bearing seat, wherein the magnetically actuated group packet in the two sides of the axis
It is super vertical with the axis away from power direction containing a permanent magnet and an electromagnet, and between the permanent magnet and the electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012536.3A CN110007458A (en) | 2018-01-05 | 2018-01-05 | Light-path adjusting mechanism and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012536.3A CN110007458A (en) | 2018-01-05 | 2018-01-05 | Light-path adjusting mechanism and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110007458A true CN110007458A (en) | 2019-07-12 |
Family
ID=67164731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012536.3A Pending CN110007458A (en) | 2018-01-05 | 2018-01-05 | Light-path adjusting mechanism and its manufacturing method |
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| CN (1) | CN110007458A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326267A (en) * | 2020-10-09 | 2022-04-12 | 扬明光学股份有限公司 | Projection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291917A (en) * | 2015-06-29 | 2017-01-04 | 精工爱普生株式会社 | Optics and image display device |
| CN206489309U (en) * | 2016-09-30 | 2017-09-12 | 扬明光学股份有限公司 | Light path adjusting mechanism |
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