CN109283779A - For changing the device and its adjustable laser projection device of optical path - Google Patents
For changing the device and its adjustable laser projection device of optical path Download PDFInfo
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- CN109283779A CN109283779A CN201710595171.7A CN201710595171A CN109283779A CN 109283779 A CN109283779 A CN 109283779A CN 201710595171 A CN201710595171 A CN 201710595171A CN 109283779 A CN109283779 A CN 109283779A
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- flexible connector
- magnetic part
- central spindle
- load
- main structure
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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
- G02B26/0816—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 reflecting elements
- G02B26/0833—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 reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
- G02B26/085—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 reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD the reflecting means being moved or deformed by electromagnetic means
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2046—Positional adjustment of light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention discloses a kind of device for changing optical path and its adjustable laser projection devices.The device for changing optical path includes: main structure；At least one central spindle, and the coil that winding is arranged in the central spindle；One end of the central spindle is arranged in load-bearing part, for carrying the central spindle；Reflecting element is arranged on the load-bearing part, for reflecting incident light；At least two flexible connectors, the flexible connector are used to the load-bearing part being fixed on the main structure；The main structure is arranged on the surface of the central spindle at least one magnetic part；When the coil inputs driving current, the coil and the central spindle drive the load-bearing part to move along the direction toward and away from the magnetic part, so that the load-bearing part drives the reflecting element to generate deflection, to change the optical path of the emergent light after reflecting element reflection.The present invention controls the movement of the device for changing optical path by driving current, and realization quickly and correctly changes optical path.
Description
Technical field
The present invention relates to optical path technical fields, more particularly to the device and its adjustable laser projection for changing optical path
Device.
Background technique
Current light-source system includes laser light source and the device for changing optical path, and laser light source is existing for generating exciting light
Some changes the device of optical path by mechanical adjustment, so that the device for changing optical path can change the optical path of exciting light.But machine
The speed that tool adjusts the device of change optical path is slow, and the accuracy for changing the optical path of exciting light is low.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of devices for changing optical path and its adjustable laser to throw
Image device can quickly and correctly change optical path.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of for changing optical path
Device comprising: main structure；At least one central spindle, and the coil that winding is arranged in the central spindle；Load-bearing part, setting exist
One end of the central spindle, for carrying the central spindle；Reflecting element is arranged on the load-bearing part, for reflecting incident light；At least
Two flexible connectors, the flexible connector are used to the load-bearing part being fixed on the main structure；At least one is magnetic
The main structure is arranged on the surface of the central spindle in part；When the coil inputs driving current, the coil and institute
Stating central spindle drives the load-bearing part to move along the direction toward and away from the magnetic part, so that described in load-bearing part drive
Reflecting element generates deflection, to change the optical path of the emergent light after reflecting element reflection.
Wherein, at least two flexible connectors include the first flexible connector and the second flexible connector, and the first elasticity is even
Fitting is used to connect one end of load-bearing part and the first side of main structure, and the second flexible connector is for connecting the another of load-bearing part
The second side at end and main structure, first side are oppositely arranged with second side, the first flexible connector and the second elastic connection
Part is located on same axis.
Wherein, at least one magnetic part includes the first magnetic part and the second magnetic part, the first magnetic part and the second magnetic part
The bottom surface of main structure is set, axis and the first flexible connector and the second elasticity where the first magnetic part and the second magnetic part
Axis vertical take-off where connector.
Wherein, at least one magnetic part includes the first magnetic part and the second magnetic part, and the first magnetic part is arranged in main structure
Third side, the 4th side of main structure is arranged in the second magnetic part, and third side and the 4th side are oppositely arranged, the first magnetic
The axis vertical take-off where axis and the first flexible connector and the second flexible connector where property part and the second magnetic part.
Wherein, at least one magnetic part includes the first magnetic part and the second magnetic part, and the first magnetic part is arranged in main structure
Top surface, the bottom surface of main structure is arranged in the second magnetic part；At least two flexible connectors include the first flexible connector, second
Flexible connector and third flexible connector, the first flexible connector are used to connect one end and the first magnetic part of central spindle, and second
Flexible connector is used to connect bottom surface and the second magnetic part of load-bearing part, and third flexible connector is for connecting load-bearing part close to anti-
The side of part and the side of main structure are penetrated, the first flexible connector and the second flexible connector are located on same axis.
Wherein, at least one central spindle includes the first central spindle and the second central spindle, and the winding of the first central spindle is provided with first coil, the
The winding of two central spindles is provided with the second coil, and the first central spindle and the second central spindle are arranged on the upper surface of load-bearing part.
Wherein, at least one flexible connector includes the first flexible connector, the second flexible connector, third elastic connection
Part and the 4th flexible connector, the first flexible connector are used to connect the first side of load-bearing part and the first side of main structure
Face, the second flexible connector are used for connecting the second side of load-bearing part and the second side of main structure, third flexible connector
In the third side of connection load-bearing part and the third side of main structure, the 4th flexible connector is used to connect the 4th side of load-bearing part
Face and the 4th side with main structure, wherein the first side of the main structure and the third side are oppositely arranged, institute
The second side and the 4th side for stating main structure are oppositely arranged, wherein first flexible connector and the third
Flexible connector is located on the first axle, second flexible connector and the 4th flexible connector be located at it is described
In the orthogonal second axis of first axle.
Wherein, at least one magnetic part includes the first magnetic part and the second magnetic part being arranged on the bottom plate of main structure,
The side of the first central spindle is arranged in first magnetic part, and the side of the second central spindle is arranged in the second magnetic part, wherein first magnetic
Property part and first central spindle be located on the third axis, the magnetic part and second central spindle are located at and the third axis
On the orthogonal four axistyle of line, wherein the first axle is parallel with the second axis, the second axis and described
Third axis is parallel.
Wherein, deflection angle of the device by driving current and the stiffness reliability reflecting element of flexible connector, deflection angle
More than or equal to 1 degree.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of adjustable laser throwing
Image device comprising the above-mentioned device for changing optical path.
The beneficial effects of the present invention are: being in contrast to the prior art, the present invention is by inputting driving current in coil
When, coil and central spindle drive load-bearing part to move along the direction toward and away from magnetic part, so that load-bearing part drives reflecting element to produce
Raw deflection, to change the optical path of the emergent light after reflecting element reflects, the present invention is controlled by driving current for changing optical path
The movement of device, realization quickly and correctly change optical path.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, it is adopted required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of the device for changing optical path of one embodiment of the invention；
Fig. 2 is in Fig. 1 for changing the schematic top plan view of the device of optical path；
Fig. 3 is the structural schematic diagram of the device for changing optical path of another embodiment of the present invention
Fig. 4 is the structural schematic diagram of the device for changing optical path of another embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the device for changing optical path of another embodiment of the present invention；
Fig. 6 is the schematic top plan view of the device for changing optical path of another embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the adjustable laser projection device of first embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall within the protection scope of the present invention.
Referring to Figure 1 shown in -2, Fig. 1 is the structural representation of the device for changing optical path of first embodiment of the invention
Figure；Fig. 2 is in Fig. 1 for changing the schematic top plan view of the device of optical path.The device 10 of the present embodiment is for changing emergent light B's
Emergent light B can be quickly and correctly directed in selected optical path by optical path.
Wherein, device 10 includes main structure 11, at least one magnetic part 12, at least one central spindle 14, winding setting in axis
Coil 13, load-bearing part 15, reflecting element 16 and at least two flexible connectors 17 on core 14.Wherein, at least one magnetic part
12 are fixed on main structure 11, and magnetic part 12 can be set in main structure 11 on the surface of central spindle 14, i.e. magnetic part 12 can be with
Main structure 11 is set on the side or bottom surface of central spindle 14.Wherein, magnetic part 12 can be permanent magnet.Load-bearing part 15 is set
It sets in one end of central spindle 14, for carrying central spindle 14；Reflecting element 16 is arranged on load-bearing part 15, for reflecting incident light A, obtains
Emergent light B；Flexible connector 17 is used to load-bearing part 15 being fixed on main structure 11.When coil 13 inputs driving current, line
Circle 13 and central spindle 14 drive load-bearing part 15 to move along the direction toward and away from magnetic part 12, and load-bearing part 15 drives reflecting element 16
It moves together, reflecting element 16 generates deflection, to change the optical path of emergent light B.
The present embodiment is illustrated so that the bottom surface of main structure 11 is arranged in magnetic part 12 as an example.As shown in Fig. 2, at least one
Magnetic part 12 may include the first magnetic part 121 and the second magnetic part 122, and the first magnetic part 121 and the second magnetic part 122 are arranged
In the bottom surface of main structure 11 111, the first magnetic part 121 and the second magnetic part 122 are arranged close to central spindle 14.In other embodiments,
At least one magnetic part 12 can be a magnetic part 12.
Wherein, at least one central spindle 14 can be a central spindle 14, and the winding of coil 13 is arranged in central spindle 14.Load-bearing part 15
Shape can be that perhaps circle reflecting element 16 can be reflecting mirror or the reflecting layer that is arranged on load-bearing part 15 for rectangle, square.
After incident light A is reflected by reflecting element 16, emergent light B is obtained, device 10 changes by changing the deflection angle of reflecting element 16
Become the optical path of emergent light B.
At least one flexible connector 17 may include the first flexible connector 171 and the second flexible connector 172, the first bullet
Property connector 171 be used for connect load-bearing part 15 one side 151 and main structure 11 first side 112, the second flexible connector
172 for connecting the another side 152 of load-bearing part 15 and the second side 113 of main structure 11, first side 112 and second side
113 are oppositely arranged, and then the first flexible connector 171 and the second flexible connector 172 are used to load-bearing part 15 being fixed on main knot
On structure 11.Wherein, the first flexible connector 171 and the second flexible connector 172 can be spring, 171 He of the first flexible connector
Second flexible connector 172 is located on same axis, the axis where the first magnetic part 121 and second magnetic part 122 with
Axis vertical take-off where first flexible connector 171 and second flexible connector 172.
Since the first magnetic part 121 and the second magnetic part 122 all have polarity, such as the first magnetic part 121 close to coil
13 polarity is the pole S, and polarity of first magnetic part 121 far from coil 13 is the pole N, and the second magnetic part 122 is close to the pole of coil 13
Property be the pole N, polarity of second magnetic part 122 far from coil 13 is the pole S, and the first magnetic part 121 and the second magnetic part 122 generate magnetic
, magnetic direction is directed toward the pole S of the first magnetic part 121 by the pole N of the second magnetic part 122.Driving current I is inputted in coil 13
When, coil 13 generates magnetic pole, therefore coil 13 and central spindle 14 are moved along the direction toward and away from the first magnetic part 121.Example
One end polarity such as coil 13 far from load-bearing part 15 is that the pole S, then coil 13 and central spindle 14 drive load-bearing part 15 along far from the first magnetic
Property part 121 direction movement, i.e. coil 13 and central spindle 14 drive load-bearing part 15 to move along towards the direction of the second magnetic part 122；
One end polarity of the coil 13 far from load-bearing part 15 is that the pole N, then coil 13 and central spindle 14 drive load-bearing part 15 along magnetic towards first
The direction of part 121 moves.Supporting body 15 drives reflecting element 16 to move together, and reflecting element 16 generates deflection, to change emergent light B's
Optical path.
Compared with the existing technology by mechanical adjustment optical path, the present embodiment is by inputting driving current I, coil in coil 13
13 and central spindle 14 drive load-bearing part 15 moved along towards or away from the direction of magnetic part 12, and then load-bearing part 15 drive reflector 16
It deflects, the size by changing driving circuit I adjusts the deflection angle of reflector 16, changes the optical path of emergent light B, can
Realization quickly and correctly changes optical path.
The present invention further provides the devices for changing optical path of another embodiment, in the device for changing optical path
It is described on the basis of 10.Wherein, the driving current I that coil 13 inputs is step current, and coil 13 generates magnetic pole, in magnetic force
Under the action of, coil 13, central spindle 14 and load-bearing part 15 are moved along magnetic direction；Load-bearing part 15 passes through the first flexible connector
171 and second flexible connector 172 be connected to main structure 11, the first flexible connector 171 and the second flexible connector 172 have
Certain elastic force.Under the collective effect of magnetic force and elastic force, reflecting element 16 reaches stable state stopping after deflecting certain deflection angle
Get off.Therefore, device can pass through the deflection angle of driving current I and the stiffness reliability reflecting element 16 of flexible connector 17.
Wherein, deflection angle can be more than or equal to 1 degree, and then can conveniently separate the optical path of emergent light B.
For the incident light A of the present embodiment by taking the frame per second of vision signal is 60 frames as an example, every frame includes plurality of color section, reflecting element 16
When reaching target angle of deflection after receiving input signal, the required rise time is necessarily less than 1ms；Mesh is reached in reflecting element 16
After marking deflection angle, the concussion time of coil 13, central spindle 14 and load-bearing part 15 is necessarily less than the 5% of the rise time.Device according to
Above-mentioned requirements calculate the rigidity of coil 13 generated magnetic force and flexible connector 17 in the driving current I of input, specifically
Calculating process is as follows:
Using whole device as typical second-order system, meet following formula:
J θ=f θ+k θ+M (1)
Wherein, J is the rotary inertia of device；F is damped coefficient；K is the coefficient of torsional rigidity of flexible connector 17；M is
The torsional moment that coil 13 provides；θ is angle when reflecting element 16 is in stable state.
Laplace transformation is carried out to formula (1) to obtain:
The rise time can be obtained according to formula (2) are as follows:
Overshoot formula can must be shaken according to formula (2) are as follows:
According to above-mentioned formula it is found that the rotary inertia needs of device are smaller, therefore the size setting of reflecting element 16 is compared
It is small.
The present invention further provides the devices for changing optical path of another embodiment, with the device for changing optical path
10 the difference is that: as shown in figure 3, magnetic part 12 can be set in main structure 11 on the side of central spindle 14, i.e.,
The third side 114 of main structure 11 is arranged in one magnetic part 121, and the 4th side of main structure 11 is arranged in the second magnetic part 122
115, wherein third side and the 4th side are oppositely arranged, third side 114 respectively with first side 112 and second side 113
It is disposed adjacent, the 4th side 115 is disposed adjacent with first side 112 and second side 113 respectively.
The third side 114 and the 4th side 115 of the present embodiment main structure 11 and central spindle 14 lead to the first magnetism apart from close
The bottom surface 111 of main structure 11 can not be arranged in part 121 and the first magnetic part 122, therefore the first magnetic part 121 is arranged in main structure
The 4th side 115 of main structure 11 is arranged in 11 third side 114, the second magnetic part 122.
The present invention further provides the devices for changing optical path of another embodiment, with the device for changing optical path
10 the difference is that: as shown in figure 4, the first flexible connector of the present embodiment 371 is used to connect one end 351 of load-bearing part 35
With the first magnetic part 321, the second flexible connector 372 is used to connect the other end 352 and the second magnetic part 322 of load-bearing part 35,
First magnetic part 321 and the second magnetic part 322 are arranged on two opposite sides of body frame structure.
The present invention further provides the devices for changing optical path of another embodiment, with the device for changing optical path
10 the difference is that, as shown in figure 5, at least one magnetic part 42 of the present embodiment include the first magnetic part 421 and second
The top surface 411 of main structure 41 is arranged in magnetic part 422, the first magnetic part 421, and main structure 41 is arranged in the second magnetic part 422
Bottom surface 412.In order to avoid stopping incident light A and reflected light B, main structure 41, which is located above reflecting element 46, is provided with through-hole 414.
At least one flexible connector 47 includes the first flexible connector 471, the second flexible connector 472 and third elasticity
Connector 473, the first flexible connector 471 and the second flexible connector 472 are located on same axis,.Wherein, the first elasticity connects
Fitting 471 is used to connect one end 441 and the first magnetic part 421 of central spindle 44, and the second flexible connector 472 is for connecting load-bearing part
45 bottom surface 452 and the second magnetic part 422, third flexible connector 473 is for connecting load-bearing part 45 close to the side of reflecting element 46
Face 451 and the side of main structure 41 413.
The working principle of lower the present embodiment device described in detail below:
First magnetic part 421 is the pole N close to the polarity of coil 43, and the second magnetic part 422 is S close to the polarity of coil 43
Pole, when coil 43 inputs driving current, coil 43 generates magnetic pole, such as coil 43 is S close to the polarity of the first magnetic part 421
Pole, then coil 43 and central spindle 44 drive load-bearing part 45 to move along towards the direction of the first magnetic part 421；Such as coil 43 is close to
The polarity of one magnetic part 421 is that the pole N, then coil 43 and central spindle 44 drive load-bearing part 45 along the direction far from the first magnetic part 421
Movement.
The present embodiment changes optical path by driving current control device, and can quickly and correctly change optical path.
The present invention further provides the devices for changing optical path of another embodiment, with the device for changing optical path
10 the difference is that, as shown in fig. 6, at least one central spindle 54 include the first central spindle 541 and the second central spindle 542, first axle
The winding of core 541 is provided with first coil 531, and the winding of the second central spindle 542 is provided with the second coil 532, the first central spindle 541 and second
Central spindle 542 is arranged on the upper surface 551 of load-bearing part 55.Wherein, the first central spindle 541 and the second central spindle 542 are separately positioned on
The diagonal position of load-bearing part 55, the shape of the load-bearing part 55 can be L-type.
Wherein, at least one flexible connector 57 includes the first flexible connector 571, the second flexible connector 572, third
Flexible connector 573 and the 4th flexible connector 574, wherein the first flexible connector 571 and third flexible connector 573
In on first axle a1, the second flexible connector 572 and the 4th flexible connector 574 are located at orthogonal with first axle a1 second
On axis a2, to realize accurate controllability of the load-bearing part 55 in deflection process.
Wherein, the first flexible connector 571 is used to connect the first side 552 of load-bearing part 55 and the first side of main structure 51
Face 511；Second flexible connector 572 is for connecting the second side 553 of load-bearing part 55 and the second side 512 of main structure 51；
Third flexible connector 573 is used to connect the third side 554 of load-bearing part 55 and the third side 513 of main structure 51；4th bullet
Property the 4th side 555 that is used to connect load-bearing part 55 of connector 574 and the 4th side 514 with main structure 51, wherein main structure
51 first side 511 and third side 513 are oppositely arranged, and the second side 512 of main structure 51 and the 4th side 514 are set relatively
It sets.
At least one magnetic part 52 includes the first magnetic part 521 and the second magnetic being arranged on the bottom plate 515 of main structure 51
Property part 522, the first magnetic part 521 close to load-bearing part 55 the 5th side 556 be arranged, the second magnetic part 522 is close to load-bearing part 55
The setting of the 6th side 557, wherein the first magnetic part 521 and the first central spindle 541 are located on third axis a3, the second magnetic part
522 and second central spindle be located on the four axistyle a4 orthogonal with third central spindle, wherein first axle a1 is parallel with four axistyle a4,
Second axis a2 is parallel with third axis a3.
When the needs of reflecting element 56 switch between two steady state angles, since the differential seat angle between two steady state angles is larger,
Cause the rise time longer, concussion is big.Therefore the present embodiment can control reflecting element 56 at two for changing the device of optical path
It is deflected respectively on direction, to reduce switching time when reflecting element 56 switches between two larger steady state angles.
The present invention also provides a kind of adjustable laser projection devices, as shown in fig. 7, the adjustable laser of the present embodiment is thrown
Image device includes excitation light source 61, dichroscope 62, Wavelength converter 63 and the device 64 for changing optical path, wherein using
It is the revealed device for changing optical path of above-described embodiment in the device 64 for changing optical path, details are not described herein.
Wherein, for excitation light source 61 for generating exciting light, laser projection device includes multiple and different Wavelength converter
63, exciting light gets on different Wavelength converters 63 stimulated light that can launch different wave length.Pass through control signal
(such as the revealed driving current of above-described embodiment) device 64 for changing optical path of control changes the optical path of exciting light, with
Guidance exciting light is got on different Wavelength converters 63, and then sequentially issues the stimulated light of different wave length.Dichroscope
62 for by the photosynthetic to projecting in same optical path of different wave length, and then forms projection light source.
Wherein, the adjustable laser projection device of the present embodiment can be education projector, laser television or micro- throwing etc..
In conclusion the present invention is by the way that when coil inputs driving current, coil, central spindle and load-bearing part are along magnetic part
Magnetic direction movement, load-bearing part drive reflecting element to move together, and reflecting element generates deflection, to change the optical path of reflected light, pass through
Driving current, which controls, changes optical path for changing the device of optical path, and then can quickly and correctly change optical path.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of device for changing optical path, which is characterized in that described device includes:
Main structure；
At least one central spindle, and the coil that winding is arranged in the central spindle；
One end of the central spindle is arranged in load-bearing part, for carrying the central spindle；
Reflecting element is arranged on the load-bearing part, for reflecting incident light；
At least two flexible connectors, the flexible connector are used to the load-bearing part being fixed on the main structure；
The main structure is arranged on the surface of the central spindle at least one magnetic part；
When the coil inputs driving current, the coil and the central spindle drive the load-bearing part along toward and away from institute
The direction movement of magnetic part is stated, so that the load-bearing part drives the reflecting element to generate deflection, it is anti-through the reflecting element to change
Penetrate the optical path of rear emergent light.
2. the device according to claim 1 for changing optical path, which is characterized in that at least two flexible connector
Including the first flexible connector and the second flexible connector, first flexible connector is used to connect one end of the load-bearing part
With the first side of the main structure, second flexible connector is used to connect the other end and the main knot of the load-bearing part
The second side of structure, the first side are oppositely arranged with the second side, first flexible connector and described second
Flexible connector is located on same axis.
3. the device according to claim 2 for changing optical path, which is characterized in that at least one described magnetic part includes
The bottom surface of the main structure is arranged in first magnetic part and the second magnetic part, first magnetic part and second magnetic part,
Axis and first flexible connector and second elasticity where first magnetic part and second magnetic part are even
Axis vertical take-off where fitting.
4. the device according to claim 2 for changing optical path, which is characterized in that at least one described magnetic part includes
The third side of the main structure is arranged in first magnetic part and the second magnetic part, first magnetic part, and described second is magnetic
The 4th side of the main structure is arranged in part, and the third side and the 4th side are oppositely arranged, and described first is magnetic
Axis and first flexible connector where part and second magnetic part and the axis where second flexible connector
Line is orthogonal.
5. the device according to claim 1 for changing optical path, which is characterized in that at least one described magnetic part includes
The top surface of the main structure is arranged in first magnetic part and the second magnetic part, first magnetic part, and second magnetic part is set
It sets in the bottom surface of the main structure；
At least two flexible connector includes the first flexible connector, the second flexible connector and third flexible connector,
First flexible connector is used to connect one end of the central spindle and first magnetic part, second flexible connector are used
In the bottom surface and second magnetic part that connect the load-bearing part, the third flexible connector is leaned on for connecting the load-bearing part
The nearly side of the reflecting element and the side of the main structure, wherein first flexible connector and second elastic connection
Part is located on same axis.
6. the device according to claim 1 for changing optical path, which is characterized in that at least one described central spindle includes the
One central spindle and the second central spindle, the first central spindle winding are provided with first coil, and the second central spindle winding is provided with the second line
Circle, first central spindle and second central spindle are arranged on the upper surface of the load-bearing part.
7. the device according to claim 6 for changing optical path, which is characterized in that at least one described flexible connector
Including the first flexible connector, the second flexible connector, third flexible connector and the 4th flexible connector, first bullet
Property connector for connecting the first side of the load-bearing part and the first side of the main structure, second flexible connector
For connecting the second side of the load-bearing part and the second side of the main structure, the third flexible connector is for connecting
The third side of the load-bearing part and the third side of the main structure, the 4th flexible connector is for connecting the carrying
4th side of part and the 4th side with the main structure, wherein the first side of the main structure and the third side
Face is oppositely arranged, and the second side of the main structure and the 4th side are oppositely arranged, wherein first elasticity is even
Fitting and the third flexible connector are located on the first axle, and second flexible connector and the 4th elasticity are even
Fitting is located in the second axis orthogonal with the first axle.
8. the device according to claim 7 for changing optical path, which is characterized in that at least one described magnetic part includes
The first magnetic part and the second magnetic part on the bottom plate of main structure are set, and first magnetic part is arranged in first central spindle
Side, the side of second central spindle is arranged in second magnetic part, wherein first magnetic part and the first axle
Core is located on the third axis, and the magnetic part and second central spindle are positioned at the described 4th with the third axis vertical take-off
On axis, wherein the first axle is parallel with the second axis, the second axis is parallel with the third axis.
9. -8 any device for changing optical path according to claim 1, which is characterized in that pass through the driving current
The deflection angle of reflecting element described in stiffness reliability with the flexible connector, the deflection angle are more than or equal to 1 degree.
10. a kind of adjustable laser projection device, which is characterized in that the laser projection device includes that claim 1-9 such as appoints
For changing the device of optical path described in one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595171.7A CN109283779A (en) | 2017-07-20 | 2017-07-20 | For changing the device and its adjustable laser projection device of optical path |
| PCT/CN2017/114715 WO2019015219A1 (en) | 2017-07-20 | 2017-12-06 | Device for changing light path and adjustable laser projection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710595171.7A CN109283779A (en) | 2017-07-20 | 2017-07-20 | For changing the device and its adjustable laser projection device of optical path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109283779A true CN109283779A (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710595171.7A Pending CN109283779A (en) | 2017-07-20 | 2017-07-20 | For changing the device and its adjustable laser projection device of optical path |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109283779A (en) |
| WO (1) | WO2019015219A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040091202A1 (en) * | 2002-10-24 | 2004-05-13 | Lg Electronics Inc. | Optical switch |
| US7436566B2 (en) * | 2005-11-22 | 2008-10-14 | Canon Kabushiki Kaisha | Oscillating device, optical deflector and method of controlling the same |
| CN106324959B (en) * | 2015-07-01 | 2018-08-21 | 中强光电股份有限公司 | Vibrate lens module and projection arrangement |
-
2017
- 2017-07-20 CN CN201710595171.7A patent/CN109283779A/en active Pending
- 2017-12-06 WO PCT/CN2017/114715 patent/WO2019015219A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2019015219A1 (en) | 2019-01-24 |
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