CN206489310U - Light path adjusting mechanism - Google Patents
Light path adjusting mechanism Download PDFInfo
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- CN206489310U CN206489310U CN201621478345.9U CN201621478345U CN206489310U CN 206489310 U CN206489310 U CN 206489310U CN 201621478345 U CN201621478345 U CN 201621478345U CN 206489310 U CN206489310 U CN 206489310U
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- adjusting mechanism
- eyeglass
- path adjusting
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Classifications
-
- 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
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Abstract
An embodiment of the present invention provides an optical path adjusting mechanism, which includes an optical element, a rotating shaft, and a coil. The rotating shaft is connected to the optical element, the coil is wound on the periphery of the optical element, and the optical element and the rotating shaft are integrally formed. At least part of the structure of the optical path adjusting mechanism may be an integral structure to obtain effects such as reduction in the number of parts, simplification of the overall structure, and reduction in the number of assembly man-hours.
Description
Technical field
The utility model is on a kind of light-path adjusting mechanism.
Background technology
In recent years, various image display technologies have been widely used in daily life.In an image display, example
A light-path adjusting mechanism such as can be set and changes light in the traveling light path in device, to provide such as raising imaging resolution, change
The various effects such as kind picture quality.It is well known, however, that the number of components of light-path adjusting mechanism, weight, volume are larger, it is difficult to enter one
Step miniaturization.Therefore, a kind of simple in construction, reliability is needed badly high and the light-path adjusting mechanism of weight and volume can be greatly decreased sets
Meter.
Utility model content
Other objects and advantages of the present utility model can be obtained from the technical characteristic disclosed by the utility model embodiment
To further understanding.
The embodiment of the utility model one proposes a kind of light-path adjusting mechanism, includes an optical element, a rotating shaft and a coil.
Rotating shaft is connected to optical element, and coil is set around optical element periphery, and optical element is formed in one with rotating shaft.Light path is adjusted
At least part structure of mechanism can obtain for integral type structure for example to be reduced number of components, simplifies overall structure and shorten assembling work
When effect.
Other objects and advantages of the present utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.For above and other objects, features and advantages of the present utility model can be become apparent, special embodiment below
And coordinate institute's accompanying drawings, it is described in detail below.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying creative labor
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the component decomposition map of the light-path adjusting mechanism of the embodiment of the utility model one.
Fig. 2 is Fig. 1 light-path adjusting mechanism in the schematic diagram after assembling.
Fig. 3 is the actuating state schematic diagram of the moving part of the embodiment of the utility model one.
Fig. 4 is the component decomposition map of the light-path adjusting mechanism of another embodiment of the utility model.
Fig. 5 is Fig. 4 light-path adjusting mechanism in the schematic diagram after assembling.
Fig. 6 A and Fig. 6 B are respectively the connector schematic diagram of the embodiment of the utility model one.
Fig. 7 A are the schematic diagram of the light-path adjusting mechanism of the embodiment of the utility model one, and Fig. 7 B are to be cut along Fig. 7 A A-A ' lines
The amplification profile schematic diagram cut.
Fig. 8 A are the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model, and Fig. 8 B are the B-B ' lines along Fig. 8 A
The amplification profile schematic diagram of cutting.
Fig. 9 is the schematic diagram of the coil accommodating structure kenel of the embodiment of the utility model one.
Figure 10 is the schematic diagram of the actuating assembly of another embodiment of the utility model.
Figure 11 is applied to the schematic diagram of an optical system for the light-path adjusting mechanism of the embodiment of the utility model one.
Figure 12 A are the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.
Figure 12 B are the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.
Figure 13 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.
Figure 14 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.
Figure 15 A for another embodiment of the utility model light-path adjusting mechanism arrange in pairs or groups other optical elements component decompose
Figure, the light-path adjusting mechanism that Figure 15 B and Figure 15 C are respectively Figure 15 A arranges in pairs or groups other optical elements in the side view after assembling and vertical view
Schematic diagram.
Figure 16 A arrange in pairs or groups the schematic diagrames of other optical elements for the light-path adjusting mechanism of another embodiment of the utility model.
Figure 16 B arrange in pairs or groups the schematic diagrames of other optical elements for the light-path adjusting mechanism of another embodiment of the utility model.
Figure 17 A for another embodiment of the utility model light-path adjusting mechanism arrange in pairs or groups other optical elements component decompose
Figure, the light-path adjusting mechanism that Figure 17 B and Figure 17 C are respectively Figure 17 A arranges in pairs or groups other optical elements in the side view after assembling and vertical view
Schematic diagram.
Figure 18 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.
Drawing reference numeral:
100th, 100a, 100b, 100c light-path adjusting mechanism
110 moving parts
112 eyeglasses
112a, 112b fixing hole
116 end differences
116a sides wall
120 actuating assemblies
122 coil groups
122a coils
124 magnet
1241st, 1242 section
130 connectors
130a necks
132nd, 134 leaf spring
132a, 132b, 134a, 134b fixing hole
132d, 134d connecting portion
140 frameworks
140a, 140b fixing hole
150 piezoelectric elements
200th, 200a light-path adjusting mechanisms
210 moving parts
212 eyeglasses
214 eyeglasses seat
214a, 214b fixing hole
216 recessed parts
220 actuating assemblies
222 coil groups
224 magnet
230 connectors
232 leaf springs
232a, 232b, 232c, 232d fixing hole
The ring-like portions of 232e
232f, 232g extension
240 frameworks
240a, 240b fixing hole
300 Optical devices
310 illuminators
312 light sources
312R, 312G, 312B light emitting diode
314 light beams
314a sub-images
316 Multiplexing apparatus
317 lens arrays
318 lens sets
319 inner full-reflection prisms
320 digital micro-mirror devices
330 projection lens
340 light-path adjusting mechanisms
350 screens
400th, 400a, 400b, 400c light-path adjusting mechanism
410 moving parts
412 eyeglasses
420 actuating assemblies
422 coils
424 magnet
430 connectors
440 frameworks
440a, 440b extension
440c ledge arrangements
440d light shielding parts
442 breach
444 accommodation spaces
446 openings
448 anti-dazzling screens
450 light valve modules
452 eyeglasses
460 inner full-reflection prisms
A shaft axis
A1-A3, B1-B3 plate face
C, D line
M initial positions
N normal directions
P, Q direction of rotation
T1, T2 contact point
θ angles
W length-width ratios
E length
F width
Embodiment
About of the present utility model foregoing and other technology contents, feature and effect, in the following reality coordinated with reference to schema
In the detailed description for applying example, can clearly it present.The direction term being previously mentioned in following examples, for example:Upper and lower, left,
It is right, front or rear etc., only it is the direction with reference to annexed drawings.Therefore, the direction term used is intended to be illustrative and not intended to limit
The utility model.
Disclosure in following embodiments discloses a kind of light-path adjusting mechanism, and it can operate with different optical system (examples
Such as display device, projection arrangement) for example lift imaging resolution to adjust or change light path in order to offer, improve image quality
(eliminating dark space, softization image edge) and other effects is without limiting, and set location of the light-path adjusting mechanism in optical system
And configuration mode is not limited completely.Light-path adjusting mechanism can for example include a moving part, an actuating assembly, a connection piece and a frame
Local Members or whole components in these components of body.In each embodiment as described below, moving part can be inclined comprising one
The optical element of refractive power line, and moving part can additionally comprise a load bearing seat of carrying optical element, the start form of moving part is for example
Can to rotate, it is vibration, mobile etc. without limiting;Actuating assembly only needs that the effect of driving moving part can be produced, and it constitutes structure
Part is not limited, for example, can be the electromagnetic induction component comprising magnet and coil group (or coil);Connector can have and occur shape
After change when external force is cancelled can towards the direction change for recovering original size and shape property, at least somewhat elasticity or can for example scratch
Property, and connector can pass on the transmission device of power or to damping vibration or the control parts of control motion to be various
Do not limit, for example spring, leaf spring, coil spring, bendable sheet parts or bendable lobate parts etc.;Framework only needs that one can be defined
Accommodation space, it can be the framework or housing for having multi-form or profile without limiting.
Fig. 1 is the component decomposition map of the light-path adjusting mechanism of the embodiment of the utility model one.As shown in figure 1, light path is adjusted
Mechanism 100 includes a moving part 110, an actuating assembly 120, the framework 140 of a connection piece 130 and one.In the present embodiment, interlock
Part 110 include one can deviation light optical element, a such as eyeglass 112, and eyeglass 112 only needs that the effect of deviation light can be provided
Fruit, its form and species are not limited, for example, can be a lens (Lens) or a speculum (Mirror).Implement in another
In example, can also include a load bearing seat, optical element is set on load bearing seat, or load bearing seat and both optical elements one into
Type.In the present embodiment, actuating assembly 120 can be for example the electromagnetic induction component comprising coil group 122 and magnet 124, in another
, for example also can be with another coil group as a magnetic or magnetic material substitution magnet, located at the another of framework 140 in one embodiment
One coil group (not shown) equally can produce electromagnetic force to drive moving part 110 with the coil group being set around on moving part 110.In
In the present embodiment, connector 130 can be for example two leaf springs 132,134 for having restoring force.The two ends of leaf spring 132, which can have, to be fixed
Hole 132a, 132b, the two ends of leaf spring 134 can have fixing hole 134a, 134b, the two ends of eyeglass 112 can be set fixing hole 112a,
112b, and fixing hole 140a, 140b can be set in the two ends of framework 140.In an assembled embodiment, moving part 110 is located at framework
In 140, magnet 124 is securable to framework 140, and coil group 122 can be set around outside eyeglass 112 and can for example be set around eyeglass 112
Periphery, one end of leaf spring 132 can be via the fixation of position corresponding fixing hole 132a, 112a for example, by screw (not shown)
Part is fixed to eyeglass 112, and the other end of leaf spring 132 can be fixed to framework 140 via position corresponding fixing hole 132b, 140a,
Leaf spring 132 is set to be located between eyeglass 112 and framework 140.Furthermore, one end of leaf spring 134 can be via the corresponding fixing hole in position
134a, 112b are fixed to eyeglass 112 for example, by the fixture of screw (not shown), and the other end of leaf spring 134 can be via position
Corresponding fixing hole 134b, 140b are fixed to framework 140, leaf spring 134 is located between eyeglass 112 and framework 140.After assembling
Light-path adjusting mechanism 100 is as shown in Figure 2.Therefore, the leaf spring 132,134 located at the two ends of eyeglass 112, which can be formed, is connected to eyeglass
112, and the line direction of leaf spring 132,134 can substantially overlap the shaft axis A of moving part 110, eyeglass 112 can using shaft axis A as
The reciprocal start in axle center, for example, can rotate clockwise or counterclockwise or swing using shaft axis A as axle center.As shown in figure 3, implementing in one
In example, the electromagnetic force between coil group 122 and magnet 124 can allow eyeglass 112 to be rotated centered on shaft axis A by initial position M edges
Direction P rotates an angle, θ, and the restoring force of leaf spring 132,134 can rotate back to eyeglass 112 initially along opposite direction of rotation Q
Position M;Another electromagnetic force can be applied in another embodiment, between coil group 122 and magnet 124 and assist leaf spring 132,134
Eyeglass 112 is rotated back to initial position M by restoring force along opposite direction of rotation Q, therefore eyeglass 112 is reciprocally rocked to different positions
Put, by incident light deflection to different directions, to be adjusted or changed the effect of light traveling light path.In an embodiment, interlock
The rotational angle θ scopes of part 110 can be 0.1-1 degree, and preferred range is 0.2-0.5 degree, and for example can be 0.32 degree.By this reality
Light-path adjusting mechanism adjustment or change light path with new embodiment, visual actual demand produce different effects, for example, can use
To lift projection resolution, improve image quality (eliminating dark space, softization image edge) etc. without limiting.
By the design of above-described embodiment, because at least part structure (such as coil group or coil) of actuating assembly is directly set
Being placed in can be on the optical element of deviation light, therefore can reduce light-path adjusting mechanism overall volume, weight or number of components, therefore
Overall structure can be simplified and reliability is improved, and be conducive to being miniaturized or be thinned in order to various miniature electronic devices of arranging in pairs or groups.
Fig. 4 is the component decomposition map of the light-path adjusting mechanism of another embodiment of the utility model, the light path tune that Fig. 5 is Fig. 4
Complete machine structure is in the schematic diagram after assembling.As shown in Figures 4 and 5, in the present embodiment, the moving part 210 of light-path adjusting mechanism 200
The eyeglass seat 214 of an eyeglass 212 and accommodating eyeglass 212 can be for example included, actuating assembly 220 for example can be to include coil group
222 and the electromagnetic induction component of magnet 224, coil group 222 can be set around on eyeglass seat 214 and can for example be set around eyeglass seat
214 periphery, and magnet 224 is securable to framework 240.Connector 230 for example can be one end by eyeglass seat 214 across to another
The integrally formed leaf spring 232 of one end.The profile of leaf spring 232 is not limited, in the present embodiment, and leaf spring 232 is ring-like with one
Portion 232e and two extension 232f, the 232g extended by ring-like portion 232e towards the two ends of moving part 210, and two extension 232f,
232g bearing of trend can substantially overlap shaft axis A.The two ends of leaf spring 232 can have fixing hole 232a, 232b, 232c, 232d,
The two ends of eyeglass seat 214 can set fixing hole 214a (the fixed 232b of correspondence) and fixing hole 214b (correspondence fixing holes respectively
232c), and the two ends of framework 240 can set fixing hole 240a (correspondence fixing hole 232a) and fixing hole 240b respectively (correspondence is solid
Determine hole 232d).Be fixed for example, by the fixture of screw (not shown) via these corresponding fixing holes, can by one into
The leaf spring 232 of type is between eyeglass seat 214 and framework 240.The bearing of trend of leaf spring 232 substantially overlaps turning for moving part 210
Axis A, moving part 210 (eyeglass 212 is together with eyeglass seat 214) can be rotated clockwise or counterclockwise centered on shaft axis A, and plate
Moving part 210 along opposite direction of rotation can be rotated back to initial position by the restoring force of spring 232, in another embodiment, coil
Another electromagnetic force can be applied between group 222 and magnet 224 assists the restoring force of leaf spring 232 by moving part 210 along opposite rotation
Direction rotates back to initial position, therefore moving part 210 is reciprocally rocked to diverse location, to allow eyeglass 212 by incident light deflection
To different directions, the effect of light traveling light path is adjusted or changed.
By the design of above-described embodiment, because at least part structure (such as coil group or coil) of actuating assembly is directly set
It is placed on the eyeglass of moving part seat, light-path adjusting mechanism overall volume, weight or parts number can be reduced, therefore is beneficial to adjust light path
Complete machine structure is minimized or is thinned with various miniature electronic devices of arranging in pairs or groups.
The profile of connector in the utility model embodiment is not limited, in an embodiment, and connector can have extremely
Can at least it include between a few kink, that is, the other end of the one end with being connected framework of connector connection moving part, two ends
One turning point.For example, as shown in Fig. 6 A and Fig. 6 B, each leaf spring 132 (or leaf spring extension 232f), leaf spring 134 (or
Leaf spring extension 232g) can at least have two faces for accompanying an angle and constitute a non-planar leaf spring, such as shown in Fig. 6 A,
The plate face A2 of leaf spring 132 (or leaf spring extension 232f) can substantially vertically (about 90 degree of angles) plate face A1 and plate face A3, and plate face
A1 can be substantially parallel with plate face A3, and as shown in Figure 6B, the plate face B2 of leaf spring 134 (or leaf spring extension 232g) can be substantially vertical
Plate face B1 and plate face B3, and plate face B1 can be substantially vertical with plate face B3.In an embodiment, as shown in Figure 6A, leaf spring 132 and mirror
The contact part of piece 112 can form a first make contact T1, and the contact with framework 140 of leaf spring 132 part can form one second
Contact point T2, and first make contact T1 can have substantive different level height from the second contact point T2.Furthermore, refer again to figure
1, leaf spring 132 is connected to the connecting portion 132d of framework 140, its can substantially vertical leaf spring 134 be connected to the connecting portion of framework 140
134d, but do not limited with this.In another embodiment, connecting portion 132d substantially parallel connecting portion 134d but can not limited.Therefore,
In an embodiment, by the non-planar stud connector design produced by the kink of the position not in the same direction at the two ends of connector 130, connect
Centre of twist when fitting is moved can substantially overlap the barycenter of eyeglass 112, but not limited with this.
In an embodiment, the thickness of connector 130 is smaller than 0.5mm, for example thickness can for 0.1mm, 0.15mm or
0.2mm, and the material of connector 130 for example can be (such as stainless for elastomeric material (such as spring, leaf spring, coil spring), metal material
Steel, iron, copper, aluminium) or plastic material.Furthermore, carefully easily snapped off very much because of the neck 130a of connector 130 and can slightly cause very much motion
Have some setbacks, therefore the neck 130a of connector 130 length-width ratio W scopes can be 0.5-1, a preferred range is 0.6-0.9, and one more preferably
Scope is 0.7-0.8, and for example can be 0.75.As shown in Fig. 6 A and Fig. 6 B, neck 130a length-width ratio W may be defined as length E
Divided by width F (W=E/F).
Fig. 7 A are the schematic diagram of the light-path adjusting mechanism of the embodiment of the utility model one, and Fig. 7 B are to be cut along Fig. 7 A A-A ' lines
The amplification profile schematic diagram cut.As shown in Figure 7 A, coil group 122 have the normal direction N substantially along eyeglass 112 it is folded set it is many
Layer line circle 122a, with the occupied area for the routing planes that can for example reduce coil group 122, and coil group 122 can enclose and lay out a model
Enclose, and the control parts or transmission device of such as leaf spring 132,134 can be enclosed outside the scope laid out positioned at coil group 122, by
Can for example reduce the possibility that moving part 210 is interfered when start with other elements.As shown in Figure 7 B, the periphery of eyeglass 112 can
An accommodating structure is formed to house coil group 122, in the present embodiment, the peripheral edge thickness direction of eyeglass 112 can be provided with relative one
Convex portion and a recess, make the thickness direction of the outer rim of eyeglass 112 that the end difference 116 of a L fonts is presented, and coil group 122 is in thickness
Direction can be set around the side wall 116a of end difference 116 above with a circle.
Fig. 8 A are the schematic diagram of the light-path adjusting mechanism according to another embodiment of the utility model, and Fig. 8 B are the B-B ' along Fig. 8 A
The amplification profile schematic diagram of wire cutting.As shown in Figure 8 B, when 210 non-start of moving part, eyeglass 212 and magnet 224 are substantial
Positioned at same level, taken up space with saving member, the periphery of eyeglass seat 214 can form an accommodating structure to house coil group
222, in the present embodiment, the thickness direction of eyeglass 214 peripheries of seat is provided with a recessed part 216, and makes eyeglass seat 214 peripheries tool
There is the end face structure of C fonts or U-shaped, and coil group 222 can be placed in recessed part 216.That is, house the appearance of coil group
It can be stepped plate or a groove to put structure, can be formed at the diverse location of moving part and can have such as C fonts or U-shaped
Different external forms but do not limit, it is only necessary to which the effect of accommodating coil group can be provided.When coil group is placed in the accommodating knot of moving part
In structure, coil group can be saved and take up space and can further reduce the volume of single unit system, and coil group and other yuan can be avoided
The abrasive contact of part, improves reliability.Furthermore, coil accommodating structure is not limited completely in the configuration of moving part periphery, citing and
Speech, coil accommodating structure can be consecutively formed at the periphery of moving part as shown in Figure 7 A, or include moving part as shown in Figure 9 210 weeks
Multiple recessed parts 216 separated each other of edge.
The connector of each embodiment of the utility model is only to illustrate, and the connector between optical element and framework can
For the various transmission devices for passing on power or to damping vibration or the control parts of control motion without limiting, such as bullet
Spring, leaf spring, coil spring, bendable sheet parts or bendable lobate parts etc..Furthermore, the optical element of such as eyeglass can be located at
Be not limited to eyeglass seat on other carriers, and framework can for multi-form or profile framework or housing without limiting.
In an embodiment, the line footpath of coil group is smaller than 0.2mm, for example, can be 0.05mm, and coil group is fixed on company
Mode on moving part is not limited, such as can be using glued (such as UV dispensings or the gluing of outer layer enamel-covered wire), thermal welding, socket
Mode.Furthermore, in an embodiment, the power of driving coil group is smaller than 200mW, and the heat-resisting allowable temperature of coil group can be
Less than 120 degree.
In an embodiment, the material of eyeglass can be for glass, plastic cement or to plate the glass of metal film, plastic cement (such as silver-plated
Or aluminize), and connector can be using modes such as self-tap, nut, thermal welding or dispensings on eyeglass or eyeglass seat.Formed
If easily being split in the too small eyeglass in fixing hole aperture on eyeglass, the easy not tight of screw or sliding tooth if aperture is too big, therefore
In an embodiment, the fixing hole on eyeglass can be M1.2 self-tapping screws hole (aperture 0.85-1.1mm), M1.6 self-tapping screws hole
(aperture 1.2-1.4mm), M1.7 self-tapping screws hole (aperture 1.3mm-1.5mm) or M2 self-tapping screws hole (aperture 1.5mm-
1.8mm)。
The material of framework is such as can be metal (aluminium alloy, magnesium alloy) or plastic cement without limiting.The material of magnet can be
Rigid magnet or soft magnet without limiting, for example, can be ndfeb magnet (NdFeB).If because magnet too conference increase occupies sky
Between, the too small then easy magnetic force of magnet is not enough, therefore a size preferred range of magnet for 14mm × 7mm × 5mm-0.5mm ×
0.5mm × 0.5mm, for example can be 9mm × 1.9mm × 0.8mm, in an embodiment, for example can for 9mm × 1.9mm ×
0.3mm.The heat-resisting allowable temperature of magnet may be less than 120 degree.
In an embodiment, moving part is adjusted using the modes such as screw counterweight, increase mass, setting pressing plate are changed
Natural frequency, 90Hz can be more than to avoid covibration by making the natural frequency of moving part, and higher natural frequency can the company of raising
The reaction speed of moving part, and can be used less actuator that moving part can be allowed to reach the default anglec of rotation.Furthermore, can pass through
Connector lock ft lbf control its move kenel, in an embodiment, connector lock ft lbf can be 0.5-3kg-mm, one compared with
Good scope can be 0.8-2.5kg-mm, and a more preferably scope can be 1-2kg-mm.
In an embodiment, at least part structure of light-path adjusting mechanism can for example reduce zero for integral type structure to obtain
Number of packages, simplified overall structure and the effect for shortening assembling man-hour.For example, connector, eyeglass and framework three can utilize phase
Same material (such as plastic cement or metal) is integrally formed, or two of which component is first integrally formed, the first one of such as connector, eyeglass
Shaping or connector, framework be first integrally formed after combined again with remaining element also can, the fixed form now combined can be
Dispensing is fixed with screw.In another embodiment, connector, eyeglass, eyeglass seat and framework can utilize phase same material (example
Such as plastic cement or metal) it is integrally formed, or after wherein at least two component is first integrally formed, then combines and also may be used with remaining element.In
In another embodiment, the rotating shaft for example formed by connector may be connected to optical element, and coil can be set around optical element periphery,
And optical element can be integrally formed with rotating shaft and constitute a mechanism for being used to adjust light path.In another embodiment, one kind is used for
A housing, a load bearing seat, the eyeglass on load bearing seat can be included, be set around the one of load bearing seat periphery by adjusting the mechanism of light path
Coil and the control parts between load bearing seat and housing, and control parts to be integrally formed with load bearing seat, or control
Parts processed, housing and optical element can be integrally formed.In another embodiment, a kind of mechanism for being used to adjust light path includes a frame
Frame, eyeglass seat, a coil group and a transmission device, eyeglass seat are placed in framework and comprising an eyeglass, and coil group is set around
On eyeglass seat, transmission device is connected between eyeglass seat and framework, and in framework, eyeglass seat and three elements of transmission device, extremely
Few wherein two is formed in one.Furthermore, the damping thing of such as rubber can be filled between framework and other internals with
Damping effect is provided.
In an embodiment, the weight of light-path adjusting mechanism is smaller than 5g, for example, can be 1.6g, and volume is smaller than 40mm
X 40mm x 10mm, for example, can be 21mm x 21mm x 3.6mm.The driving frequency of actuating assembly can be 24Hz-120Hz, and
Electromagnetic induction component for example can be a voice coil motor.The kenel of actuating assembly is not limited, it is only necessary to which can obtain driving moving part makes
The effect of its reciprocally swinging.In another embodiment, as shown in Figure 10, actuating assembly can for example include and be arranged at eyeglass
112 piezoelectric element 150, can make piezoelectric element 150 produce compression or stretching change by applying electric field on piezoelectric element 150
Shape, mechanical energy can be switched to so that the reciprocally swinging of eyeglass 112 reaches adjustment light path effect by electric energy by implying that.
Figure 11 is applied to the schematic diagram of an optical system for the light-path adjusting mechanism of the embodiment of the utility model one.It refer to
Figure 11, Optical devices 300 include illuminator 310, digital micro-mirror device 320, projection lens 330 and light-path adjusting mechanism
340.Wherein, illuminator 310 has light source 312, and it is adapted to provide for light beam 314, and the configuration light beam of digital micro-mirror device 320
On 314 bang path.This digital micro-mirror device 320 is suitable to light beam 314 being converted to multiple sub-image 314a.In addition, projection
Camera lens 330 is configured on these sub-images 314a bang path, and digital micro-mirror device 320 is located at illuminator 310 with throwing
Between shadow camera lens 330.In addition, light-path adjusting mechanism 340 is configured between digital micro-mirror device 320 and projection lens 330, example
Such as can between digital micro-mirror device 320 and inner full-reflection prism 319 or can internally total reflection prism 319 and throw
Between shadow camera lens 330, and on these sub-images 314a bang path.In above-mentioned Optical devices 300, light source 312
Red light-emitting diode 312R, green light LED 312G and blue light-emitting diode 312B can be such as included, each luminous two
The coloured light that pole pipe is sent can sequentially pass through lens array via light beam 314, light beam 314 is formed after the closing light of a Multiplexing apparatus 316
317th, lens set 318 and inner full-reflection prism (TIR Prism) 319.Afterwards, inner full-reflection prism 319 can be by light beam 314
Reflex to digital micro-mirror device 320.Now, light beam 314 can be converted into multiple sub-image 314a by digital micro-mirror device 320, and
These sub-images 314a can be sequentially by inner full-reflection prism 319 and light-path adjusting mechanism 340, and via projection lens 330
These sub-images 314a is projected on screen 350.In the present embodiment, when these sub-images 314a passes through light-path adjusting mechanism
When 340, meeting these sub-images of changing section of light-path adjusting mechanism 340 314a bang path.That is, being adjusted by this light path
The first position (not illustrating) that these sub-images 314a of complete machine structure 340 can be projected on screen 350, leads in another part time
The second place (not illustrating) that these sub-images 314a of this light-path adjusting mechanism 340 can be then projected on screen 350 is crossed, wherein
First position differs a fixed range with the second place in the horizontal direction (X-axis) or/and vertical direction (Z axis).In this implementation
In example, because light-path adjusting mechanism 340 can make these sub-images 314a image space in the horizontal direction or/and in vertical direction
A mobile fixed range, thus can improve image horizontal resolution or/and vertical resolution.Certainly, above-described embodiment is only
Illustrate, the light-path adjusting mechanism of the utility model embodiment can operate with different optical systems to obtain different-effect, and light path
Set location and configuration mode of the adjustment mechanism in optical system are not limited completely.
In each embodiment of the present utility model, the configuration mode of magnetic is not limited.For example, such as Fig. 2 institutes
Show, coil group 122 (or coil) can surround optical element or be set around outside optical element, the magnetic of two such as magnet 124
Or magnetic material can be located at shaft axis A both sides respectively, and the configurable line C for making each two ends of magnet 124 is substantially not
Parallel shaft line A, or as shown in figure 5, the configurable substantial parallel shaft axis A of a line C for making each two ends of magnet 224 also
Can.As illustrated in fig. 12, in another embodiment, light-path adjusting mechanism 100a magnet 124 can include one first be positioned at an angle
The section 1242 of section 1241 and 1 second, the first section 1241 and one second section are connected with each other, and a company at the two ends of magnet 124
Line C can substantially not parallel shaft axis A, that is, line C extension line can intersect at a point with shaft axis A extension line.As schemed
Shown in 12B, in another embodiment, light-path adjusting mechanism 100b magnet 124 can include one first section being positioned at an angle
1241 and one second section 1242, the first section 1241 and one second section 1242 are separated each other, the company of setting respectively of leaf spring 132,134
Moving part 110 and framework 140, and two leaf springs 132,134 line D can the substantially not parallel two ends of magnet 124 line C, also
That is line C and line A extension line can intersect at a point.Do not shown although should be noted, Figure 12 A, 12B magnet 124
Non-parallel configuration kenel can also arrange in pairs or groups other embodiment of the present utility model, for example, if connector is using as shown in Figure 4 horizontal
One leaf spring 232 of bridging moving part 210, leaf spring 232 has a ring-like portion 232e and prolonged by ring-like portion 232e towards the two ends of moving part 210
Two extension 232f, the 232g stretched, then each extension 232f, 232g bearing of trend can each substantially not parallel magnet
The line C at 224 two ends.By the non-parallel configuration kenel of Figure 12 A, 12B magnet, the configuration of magnetic can be made more elastic.Lift
For example, as shown in Figure 16 A, when magnet 424 is configured on side not parallel with shaft axis A, can further away from and avoid such as light
The light part of valve module 450, therefore magnet 424 is able to extend and provides higher magnetic force.
Figure 13 is the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model, as shown in figure 13, in this implementation
In example, light-path adjusting mechanism 100c moving part 110 in framework 140 and comprising one can deviation light eyeglass 112, magnet
124 on the eyeglass 112, for example, may be disposed at the periphery of eyeglass 112, coil group 122 is set around in framework 140, for example can be around
Located at the periphery of framework 140, coil group 122 surrounds eyeglass 112, and magnet 124 is in the range of coil group circle is laid out, when even
During 110 start of moving part, magnet 124 can be swung together with eyeglass 112 and coil group 122 keeps fixing.Figure 14 is that the utility model is another
The schematic diagram of the light-path adjusting mechanism of one embodiment.As shown in figure 14, in the present embodiment, light-path adjusting mechanism 200a gearing
Part 210 can include the eyeglass seat 214 of an eyeglass 212 and accommodating eyeglass 212 in framework 240 and for example, and magnet 224 can
On eyeglass seat 214, for example, the periphery of eyeglass seat 214 is arranged at, and coil group 222 can be set around in framework 240, for example may be used
The periphery of framework 240 is set around, coil group 222, which can be enclosed, lays out a scope, and magnet 224 is located at the scope that coil group circle is laid out
It is interior.In an embodiment, moving part 210 can be placed in framework 240, moving part 210 comprising one can deviation light optical element
212nd, around optical element 212 a magnetic material or magnetic (such as magnet 224) and a control parts or transmission
Parts (such as connector 230), control parts or transmission device are located between optical element 212 and framework 240, and coil or line
Circle group (such as coil group 222) is set around in framework 240 and around optical element 212.That is, in each reality of the present utility model
Apply in example, magnetic/magnetic material and the visual actual demand change in relative configuration position of coil/coil group are not limited.Again
Person, if magnetic/magnetic material located at movable piece cause the driving torque to increase when, can be by adjusting magnetic/magnetic material
Shape, weight, magnetic force etc. make motion more smoothly.
Figure 15 A for another embodiment of the utility model light-path adjusting mechanism arrange in pairs or groups other optical elements component decompose
Figure, Figure 15 B and Figure 15 C are respectively Figure 15 A light-path adjusting mechanism in the side view after assembling and schematic top plan view.Such as Figure 15 A institutes
Show, light-path adjusting mechanism 400 includes a moving part 410, an actuating assembly 420 (such as coil 422 and magnet 424), a connection
The framework 440 of part 430 and one.In an embodiment, the material of framework 440 can be metal or plastic cement.Light-path adjusting mechanism 400 is for example
It is configured in closing at light valve module 450 and the position of inner full-reflection prism 460.In an embodiment, total reflection prism can be with
Mirror lens, speculum (Mirror) or field lens (Field lens) substitution, therefore the reflective lens elements referred to as follows are same
Represented in total reflection prism with identical label 460.In an embodiment, light valve module 450 can for example include a light valve, an electricity
Road plate, a mechanism member, a protection cap and a radiating piece but do not limit, and light valve module 450 can for example include digital micro-mirror dress
Put.In an embodiment, the protection cap of light valve module includes a light-permeable eyeglass 452, its surface and the straight line of mirror lens 460
Distance is less than 2mm.In another embodiment, the surface of light-permeable eyeglass 452 is less than 1mm with the air line distance of mirror lens 460.
In another embodiment, the surface of light-permeable eyeglass 452 is less than 0.6mm with the air line distance of mirror lens 460.In the present embodiment
In, one end that framework 440 closes on light valve module 450 can form a breach 442, and light valve module 450 a part can stretch into it is scarce
Mouth 442.If framework 440 does not form breach 442, one end of framework 440 can interfere with light valve module 450, make light-path adjusting mechanism
400 closer to inner full-reflection prism 460, can not cause the back of the body of camera lens burnt longer.Therefore, Figure 15 A and figure be please also refer to
15B, by the design of the present embodiment, because framework 440 towards one end of light valve module 450 forms jagged 442, light valve module
450 part can stretch into breach 442, that is, light-path adjusting mechanism 400 can avoid light valve module 450 makes the position after assembling more
Close to inner full-reflection prism (or mirror lens) 460, it so can further reduce overall volume and the back of the body of camera lens can be shortened
It is burnt.On the other hand, Figure 15 A and Figure 15 C are please also refer to, in the present embodiment, framework 440 can close on light valve module 450 and (include
Such as light valve of digital micro-mirror device 320), for example the optical element of eyeglass 412 can be in framework 440, and coil 422 can be surrounded
Eyeglass 412, coil 422 can for example be same as the coil 122a shown in Fig. 7 B, axis can substantial parallel such as eyeglass 412 optics
The normal direction N and coil 422 of element can multi-turn be set around outside optical element.For example the magnetic material of magnet 424 can be located at and face
The position of near line circle 422, and one end of framework 440 can form or connect a such as light shielding part 440d light-shielding structure, light valve module
Light valve in 450 can switch to an illumination light one image light, and for example, the light valve of light valve module 450 is in opening (ON
Image light when state), the effective optical path that can correspond to such as optical element of eyeglass 412 enters optical element, and light valve mould
Image light of the light valve of block 450 when closed mode (OFF state), can may be irradiated to such as line by diversion optical element
Circle 422, other components of magnet 424, the problem of causing coil 422 or magnet 424 to heat up and then cause disability.Therefore, this reality
It can avoid blocking outside the effective optical path of optical element with the light-shielding structure of new embodiment and should enter optical element
Image light, furthermore, light-shielding structure can provide shaded effect located at image light by the light path of coil or magnetic material, reduce or
Avoid the stray illumination in the image light or system of light valve be mapped to coil 422 or magnetic material (such as magnet 424) component, drop
The heating of low coil 422 or magnet 424 and then the possibility for causing disability, and light-shielding structure can reduce unnecessary light entrance
Camera lens and contrast can be lifted.In an embodiment, such as light shielding part 440d light-shielding structure can be independently arranged or with framework 440
It is integrally formed.In an embodiment, moving part 410 includes eyeglass 412, the surface of eyeglass 412 and the straight line of mirror lens 460
Distance is less than 3mm.In another embodiment, the surface of eyeglass 412 and the air line distance of mirror lens 460 are less than 2mm.In another reality
Apply in example, the surface of eyeglass 412 and the air line distance of mirror lens 460 are less than 1.5mm.
Figure 16 A are the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.As shown in Figure 16 A, light path is adjusted
Complete machine structure 400a framework 440 has an extension 440a and lower extension 440b on one in the one end for closing on light valve module 450,
And upper extension 440a and lower extension 440b define an accommodation space 444, light valve module 450 can insert extension 440a
And between lower extension 440b, for example upper and lower two sides and extension 440a, 440b formation for making light valve module 450 are overlapped
Relation, may be defined as light valve module 450 in the term of this " superimposed relationship " can along the projection of level or vertical direction in space
Project at least part of extension 440a, 440b, or extension 440a, 440b in space along level or vertical direction
Projection can project at least part of light valve module 450.In the present embodiment, the optical element of moving part 410 can be located at framework
In 440, coil 422 can be located between framework 440 and the optical element of moving part 410, and framework 440 can carry inner full-reflection rib
Mirror 460 (inner full-reflection prism 460 is coated by framework 440), enables the position after the assembling of light-path adjusting mechanism 400 more to lean on
Nearly inner full-reflection prism 460.Figure 16 B are the schematic diagram of the light-path adjusting mechanism of another embodiment of the utility model.Such as Figure 16 B
Shown, light-path adjusting mechanism 400b framework 440 can include a lug in the extension that the one end for closing on light valve module 450 is formed
Structure 440c, and light valve module 450 can insert the opening 446 that ledge arrangement 440c corrals go out, that is, ledge arrangement 440c can be with
At least two of light valve module 450 sides form superimposed relationships, enable light-path adjusting mechanism 400 assemble after position closer to
Inner full-reflection prism 460.Understand that framework 440 only need to be in the one end pair for closing on light valve module 450 based on foregoing individual embodiments
The formation breach of light valve module 450 or extension are answered, and breach or extension can define accommodating at least part light valve module 450
Space, you can obtain allow light-path adjusting mechanism 400 assemble after position be able to effect closer to inner full-reflection prism 460.
Figure 17 A for another embodiment of the utility model light-path adjusting mechanism arrange in pairs or groups other optical elements component decompose
Figure, Figure 17 B are Figure 17 A light-path adjusting mechanism in the side view after assembling and schematic top plan view.As shown in Figure 17 A and Figure 17 B, light
Road adjustment mechanism 400c light-shielding structure can be an independent anti-dazzling screen 448, and anti-dazzling screen 448 may be disposed at framework 440 and other
Between light part (such as light valve module 450, inner full-reflection prism 460), it is to avoid light valve module 450 is in closed mode (OFF
State reflected light or other components of the veiling glare irradiation system of system) causes the problems such as temperature rise or contrast decline.
Figure 17 C are that according to the embodiment of the utility model one, display anti-dazzling screen 448 and light valve module 450 and inner full-reflection prism 460 show
It is intended to.As shown in Figure 17 C, because independent anti-dazzling screen 448 is located in framework 440 or connected the condition limitation of framework 440, therefore
In having larger design flexibility in configuration kenel, in an embodiment, the distributed areas of anti-dazzling screen 448, size are visual
Closed mode (OFF state) reflected light of light valve module 450 and the position of mainly haunting of system veiling glare carry out optimized
Configuration, further to lift light shielding effect.In each embodiment of the present utility model, the form of light-shielding structure is not limited completely
It is fixed, can be for example a light shielding part, an anti-dazzling screen, a shading piece etc. without limiting.Furthermore, in an embodiment, such as shading
At least a portion of piece 448 or light shielding part 440d light-shielding structure can be formed with an inner full-reflection prism (or mirror lens) 46
Superimposed relationship.
It should be noted in each above-mentioned embodiment, the element of such as light valve module and inner full-reflection prism is only to illustrate, example
As inner full-reflection prism can be substituted by field lens (field lens) or speculum (mirror), and when light-path adjusting mechanism is used
In different optical systems or when being arranged at the diverse location of optical system, light-shielding structure (such as light shielding part 440d or anti-dazzling screen
448) equally can be used to shading do not share the same light part generation unnecessary light or veiling glare.Furthermore, the material of light-shielding structure is not limited
It is fixed, for example can be plastic cement or metal, and if light-shielding structure constituted by the Heat Conduction Material of such as metal, light-shielding structure also for example may be used
Contact light valve module 450 is extended to provide the function of assisting light valve module 450 to radiate.In addition, light-shielding structure also can adjust greatly
Small and external form is using as the aperture between light valve module 450 and projection lens (not shown), or can be carried as being covered on ray machine
For dust-proof effect.
The Individual features mentioned by each embodiment of the utility model are should be noted, are not only capable of applying to illustrate or describe be somebody's turn to do
In the embodiment of feature, that is, this feature can operate with each other embodiment of the present utility model or other specifications are not illustrated
The change case gone out is without limiting.For example, Figure 15 A embodiment shows that framework 440 has a breach 442 and light-shielding structure
440d, but it does not limit, the framework 440 with breach 442 can also arrange in pairs or groups do not link as shown in Figure 17 A with framework 440 it is only
Vertical anti-dazzling screen 448.Or, in another embodiment as shown in figure 18, eyeglass 212 can be located at such as mirror by leaf spring 232
On the carrier of bar 214, and two are not attached to coil group 222 and can be respectively arranged at two diagonal sides of eyeglass seat 214 independently of one another.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model, any
Those skilled in the art, are not departing from spirit and scope of the present utility model, when can make a little change and retouching, therefore this
The protection domain of utility model is worked as to be defined depending on as defined in claim.In addition, any embodiment of the present utility model or application
The scope of the claims is not necessary to reach the whole purposes or advantage or feature disclosed by the utility model.In addition, summary part and title are only
For aiding in patent document search to be used, not for limiting interest field of the present utility model.
Claims (10)
1. a kind of light-path adjusting mechanism, it is characterised in that include:
One optical element;
One rotating shaft, is connected to optical element;
One coil, is set around optical element periphery;
Wherein, the optical element and the rotating shaft are to be integrally formed.
2. light-path adjusting mechanism as claimed in claim 1, it is characterised in that the optical element is an eyeglass.
3. light-path adjusting mechanism as claimed in claim 1, it is characterised in that the rotating shaft is by a transmission device or a control machine
Part is constituted.
4. light-path adjusting mechanism as claimed in claim 1, it is characterised in that the coil turn lays out a scope, and described turn
Axle position is in the circle outside scope.
5. a kind of light-path adjusting mechanism, it is characterised in that include:
One housing;
One load bearing seat;
One eyeglass, on the load bearing seat,
One coil, is set around the load bearing seat periphery;
One control parts, between the load bearing seat and the housing, and the mechanism meets one of following condition:
(1) parts are controlled to be integrally formed with the load bearing seat described in;And
(2) parts, the housing and the eyeglass is controlled to be integrally formed described in.
6. light-path adjusting mechanism as claimed in claim 5, it is characterised in that it is described control parts for spring, leaf spring, coil spring,
Bendable sheet parts or bendable lobate parts.
7. a kind of light-path adjusting mechanism, it is characterised in that include:
One framework;
One eyeglass seat, is placed in the framework and comprising an eyeglass;
One coil group, is set around on the eyeglass seat;And
One transmission device, is connected between the eyeglass seat and the framework;
Wherein, in the framework, eyeglass seat and three elements of the transmission device, two are formed in one at least within.
8. light-path adjusting mechanism as claimed in claim 7, it is characterised in that the coil group circle lays out a scope, and described
Transmission device is located at the circle outside scope.
9. the light-path adjusting mechanism as described in 1-8 any one of claim, it is characterised in that the material for being integrally formed element
Matter is made up of metal or plastic cement.
10. the light-path adjusting mechanism as described in 1-8 any one of claim, it is characterised in that the coil has substantial
The folded lattice coil set of normal direction of element is integrally formed described in.
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TW105131692 | 2016-09-30 | ||
TW105131692A TWI670518B (en) | 2016-09-30 | 2016-09-30 | Light path adjustment device |
TW105134119A TWI631409B (en) | 2016-10-21 | 2016-10-21 | Light path adjustment mechanism and optical mechanism |
TW105134119 | 2016-10-21 |
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CN201621476114.4U Active CN206489309U (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN201611257162.9A Active CN107884896B (en) | 2016-09-30 | 2016-12-30 | Optical path adjusting mechanism and optical mechanism |
CN202311217850.2A Pending CN117250717A (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and optical mechanism |
CN201720386307.9U Active CN207366814U (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN201621478345.9U Active CN206489310U (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN201710240412.6A Active CN107884899B (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN201811183505.0A Pending CN109298498A (en) | 2016-09-30 | 2016-12-30 | light path adjusting device |
CN201710239983.8A Pending CN107884897A (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN202110493217.0A Active CN113219615B (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and optical mechanism |
CN201710240260.XA Active CN107884898B (en) | 2016-09-30 | 2016-12-30 | Optical path adjusting mechanism and optical framework |
CN201710240799.5A Active CN107884900B (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and light path adjusting assembly |
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CN201611257162.9A Active CN107884896B (en) | 2016-09-30 | 2016-12-30 | Optical path adjusting mechanism and optical mechanism |
CN202311217850.2A Pending CN117250717A (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and optical mechanism |
CN201720386307.9U Active CN207366814U (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
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CN201710239983.8A Pending CN107884897A (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism |
CN202110493217.0A Active CN113219615B (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and optical mechanism |
CN201710240260.XA Active CN107884898B (en) | 2016-09-30 | 2016-12-30 | Optical path adjusting mechanism and optical framework |
CN201710240799.5A Active CN107884900B (en) | 2016-09-30 | 2016-12-30 | Light path adjusting mechanism and light path adjusting assembly |
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CN113219615B (en) | 2023-10-13 |
CN107884898B (en) | 2021-04-27 |
CN113219615A (en) | 2021-08-06 |
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CN107884899A (en) | 2018-04-06 |
CN206489309U (en) | 2017-09-12 |
CN107884899B (en) | 2021-04-27 |
CN109298498A (en) | 2019-02-01 |
CN107884897A (en) | 2018-04-06 |
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CN117250717A (en) | 2023-12-19 |
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