CN207424512U - A kind of micro projector - Google Patents
A kind of micro projector Download PDFInfo
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- CN207424512U CN207424512U CN201720626407.4U CN201720626407U CN207424512U CN 207424512 U CN207424512 U CN 207424512U CN 201720626407 U CN201720626407 U CN 201720626407U CN 207424512 U CN207424512 U CN 207424512U
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- projection
- plane mirror
- shaft
- axis hole
- micro projector
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Abstract
The utility model discloses a kind of micro projectors, solve micro projection module in the prior art or projector direction is fixed, it has not been convenient to the technical issues of adjusting projection angle.The micro projector includes projection module, one piece of plane mirror is provided in the projection path of the projection module, the plane mirror is mounted in shaft, it is adjusted by rotation around the axis of the shaft to predetermined angular, the projection of the projection module is reflexed into different directions, state can be kept fixed by adjusting to plane mirror during any one predetermined angular.The utility model need not carry out keystone using angular transducer, simple in structure, and manufacture is at low cost, and usage scenario is more extensive, it can be achieved that horizontal, vertical and other predetermined angulars projection.
Description
Technical field
The utility model is related to a kind of visual media products, and in particular to a kind of micro projector, for perspective view
Text or video.
Background technology
Micro- projection module is based on MEMS (Micro-electromechanical Systems, MEMS) and micro-
The micro- projection module of laser of mirror (MicroMirror) technology, small, function is low, can insertion degree height.Current micro- projective module
Group is applied to the products such as robot, automobile, charger baby, commercial affairs, speaker；Future can be to AR, mobile phone, wrist-watch/bracelet, 3D projections
The development of the fields of grade.
The huge projector's exquisitenessization of tradition, portability, microminiaturization, entertainment orientation, practical is made throwing by micro projection module
Shadow technology more closeness to life and amusement.Have the function of business office, impart knowledge to students, business of going on business, instead of TV etc..
Also there are following defects for micro- projection module in the prior art：
(1) micro- projection module can only generally realize floor projection, when micro- projection module is not orthogonal to screen prjection, realize
It is complicated；
(2) project when module is not orthogonal to screen prjection, it is necessary to using angular transducer detection angles, carry out trapezoidal when micro-
Correction；
(3) in application practice, the trapezoidal correction of micro- projection module can be limited be subject to correction angle maximum, use field
Scape has certain limitation.
Utility model content
For the above-mentioned problems in the prior art, the utility model provides a kind of micro projector, using flat
Face reflective mirror projects the projecting direction of module to correct, and plane mirror is mounted in shaft, and the axis around shaft is rotatable
It adjusts to predetermined angular, the projection for projecting module is reflexed into different directions, realizes the purpose of multiple angles projection.
In order to achieve the above object, the technical solution of the utility model is realized in：
The utility model provides a kind of micro projector, including projecting module, in the projection path of the projection module
On be provided with one piece of plane mirror, the plane mirror is mounted in shaft, around the rotatable tune of the axis of the shaft
The projection of the projection module is reflexed to different directions, adjusted to any one predetermined angular when institute by section to predetermined angular
State can be kept fixed by stating plane mirror.
Further, the adjusting angle of the plane mirror is in the range of 0-180 degree, and the plane is anti-when angle is 0 degree
Light microscopic is adjustable to 180 degree clockwise perpendicular to the lens axis of the projection module.
Further, the shaft is regular prism, and radial section is regular polygon more than regular hexagon.
Further, the radial section of the shaft for octagon, dodecagon, positive ten hexagon, positive ten octagon,
Positive 20 quadrangle or positive 30 hexagon.
Further, axis hole is provided on the plane mirror, the shaft is penetrated in the axis hole, the footpath of the axis hole
Radial section to section and the shaft is identical regular polygon, is coordinated by the axis hole and shaft anti-to the plane
The adjusting position of light microscopic is fixed.
Further, it is provided with and cracks on the wall of the axis hole, the wall of the axis hole can expands when the plane mirror rotates
Deformation is opened, the plane mirror is allowed to rotate and is adjusted to next predetermined angular.
Further, the micro projector further includes housing, and the projection module is disposed in the housing, the shell
Jagged form is set to project optical channel on the side wall of body, the projection path of the projection module passes through the projection optical channel,
The plane mirror is mounted at the projection optical channel.
Further, the housing is provided with axle bed in the projection optical channel upper end, and the shaft is mounted on the axle bed
On.
Further, axis hole is provided on the axle bed, the shaft is penetrated in the axis hole, the radial section of the axis hole
Radial section with the shaft is identical regular polygon, by the axis hole and shaft cooperation to the plane mirror
Adjusting position is fixed.
Further, supporting table is provided in the housing, the projection module is horizontal or vertical to be mounted on the supporting table
On；The back side of the plane mirror is provided with attacker or knob.
The micro projector set using the above structure has the following advantages：
Regular polygon shaft coordinates with plane mirror regular polygon axis hole in the utility model, and it is reflective to adjust plane manually
Mirror realizes projection state's switching, it can be achieved that floor projection and upright projection according to different demands.
Plane mirror can act freely, and during applied on product, not influence appearance.
The utility model need not carry out keystone using angular transducer, can easily carry out multiple angles
Projection, simple in structure, manufacture is at low cost.
The utility model usage scenario is more extensive, it can be achieved that horizontal, vertical and other predetermined angulars projection.
Description of the drawings
Fig. 1 is the exploded view of the utility model.
Fig. 2 is the sectional view of the utility model, and plane mirror is fitted without in figure.
Fig. 3 is the sectional view of the utility model, and plane mirror is equipped in figure.
Fig. 4 is the usage state diagram that upright projection is carried out under the utility model laid-flat status.
Fig. 5 is the usage state diagram that floor projection is carried out under the utility model laid-flat status.
Fig. 6 is that the utility model stands up the usage state diagram that floor projection is carried out under state.
Fig. 7 is the sectional view that the utility model uses plane mirror (back side is provided with attacker).
Fig. 8 is the sectional view that the utility model uses plane mirror (back side is provided with knob).
In figure：1. plane mirror；1-1. axis hole；1-2. it cracks；1-3. attacker；1-4. knob；2. shaft；3. positioning
Pin；4. project module；5. housing；5-1. supporting table；5-2. projects optical channel；5-3. axle bed.
Specific embodiment
The design concept of the utility model is：
The defects of for present in micro- projection module in the prior art, the utility model provides a kind of micro projection dress
It puts, the projecting direction of projection module is corrected using plane mirror, plane mirror is mounted in shaft, around the axis of shaft
Line is adjusted by rotation to predetermined angular, and the projection for projecting module is reflexed to different directions, realizes the mesh of multiple angles projection
, state can be kept fixed by adjusting to plane mirror during any one predetermined angular.
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment 1
It is as shown in Figure 1, Figure 2, Figure 3 shows the utility model embodiment 1, in this embodiment, a kind of micro projector, bag
Projection module 4 is included, projection module 4 is main projection component, is equivalent to micro projector of the prior art.
One piece of plane mirror 1 is provided in the projection path of projection module 4, plane mirror 1 is mounted on shaft 2
On, it is adjusted by rotation around the axis of shaft 2 to predetermined angular, the projection for projecting module 4 is reflexed into different directions, is adjusted
State can be kept fixed to plane mirror 1 during any one predetermined angular, i.e., does not have to aid in plane mirror 1 at this time
Support, plane mirror 1 still can keep adjusting position constant.
The adjusting angle of plane mirror 1 is in the range of 0-180 degree, and plane mirror 1 is perpendicular to projection when angle is 0 degree
The lens axis of module 4, is adjustable to 180 degree clockwise.
The maximal regulated angle of plane mirror 1 will not necessarily reach 180 degree, general to adjust to not blocking projection module
4 projection path.
As shown in Figure 1, shaft 2 is regular prism, radial section is regular polygon more than regular hexagon.
The radial section of shaft 2 can be octagon, dodecagon, positive ten hexagon, positive ten octagon, positive 20
Quadrangle or positive 30 hexagon.It can also use except other regular polygon structures listed above.
The radial section of shaft 2 shown in attached drawing 1-6 is octagon, and 360 degree/8=45 degree is adjusted every time.
If the radial section of shaft 2 is dodecagon, 360 degree/12=30 degree is adjusted every time.
If the radial section of shaft 2 is positive ten hexagon, 360 degree/16=22.5 degree is adjusted every time.
If the radial section of shaft 2 is positive ten octagon, 360 degree/18=20 degree is adjusted every time.
If the radial section of shaft 2 is positive 20 quadrangle, 360 degree/12=15 degree is adjusted every time.
If the radial section of shaft 2 is positive 30 hexagon, 360 degree/36=10 degree is adjusted every time.
For mounting plane reflective mirror 1, axis hole 1-1 is provided on plane mirror 1, shaft 2 is penetrated in axis hole 1-1,
The radial section of axis hole 1-1 and the radial section of shaft 2 are identical regular polygons, are coordinated by axis hole 1-1 and shaft 2 to flat
The adjusting position of face reflective mirror 1 is fixed.
The 1-2 that cracks is provided on the wall of axis hole 1-1, as shown in Figure 7, Figure 8, the wall of axis hole 1-1 when plane mirror 1 rotates
Expansible deformation allows plane mirror 1 to rotate and adjusts to next predetermined angular.The material of plane mirror 1 may be employed
Resin is not suitable for using simple glass.
If not applying rotary driving force to plane mirror 1, plane mirror 1 is that cannot promote axis hole 1- from gravity
1 wall expansion, it is necessary to rotary driving force be applied to plane mirror 1, the wall of axis hole 1-1 could be allowed to expand, it is anti-to carry out plane
The angular adjustment of light microscopic 1.
As shown in Figure 1, Figure 2, Figure 3 shows, micro projector further includes housing 5, and projection module 4 is arranged in housing 5, housing
Jagged form is set to project optical channel 5-2 on 5 side wall, the projection path of projection module 4 is put down through projection optical channel 5-2
Face reflective mirror 1 is mounted at projection optical channel 5-2.
As shown in Figure 1, housing 5 is provided with axle bed 5-3 in projection optical channel 5-2 upper ends, shaft 2 is mounted on axle bed 5-3.
Shaft 2 is provided at both ends with mounting hole, and axle bed 5-3 is also equipped with mounting hole on bottom, and positioning pin 3 is inserted into mounting hole and is turned to fix
Axis 2.
Projection module 4 can be regarded as by, which being provided in housing 5 in supporting table 5-1, Fig. 2-5, is horizontally arranged at supporting table 5-1 tops
It holds, projection module 4 can be regarded in Fig. 6 as and be vertically installed on the right side of supporting table 5-1.
Axle bed 5-3, supporting table 5-1 can be made into integration with housing 5, can be with below axle bed 5-3, inside supporting table 5-1
It is hollow.Housing 5 can set upper cover, be not shown in figure.
In order to facilitate rotational plane reflective mirror 1, attacker 1-3 or knob 1-4 is provided at the back side of plane mirror 1.Such as
Shown in Fig. 7, the back side of plane mirror 1 is provided with attacker 1-3.As shown in figure 8, the back side of plane mirror 1 is provided with knob
1-4。
As shown in Figure 4, micro projector is laid-flat status, the lens axis of projection module 4 be it is horizontal to the left, this
When plane mirror 1 adjusted clockwise to 45 degree, the projection for projecting module 4 is reflexed into direction vertically downward.
As shown in Figure 5, project module 4 lens axis be it is horizontal, at this time plane mirror 1 adjusted clockwise to
135 degree, the no longer projection of reflective projection module 4, the projecting direction of projection module 4 keep horizontal state to the left.
As shown in Figure 6, micro projector is adjusted to the state of standing up, the lens axis of projection module 4 be vertically to
On, plane mirror 1 is adjusted to 45 degree clockwise at this time, and the projection for projecting module 4 is reflexed to horizontal direction to the left.
It understands in summary, the micro projector in the present embodiment has the characteristics that compared with prior art：
Plane mirror 1 can be adjusted manually, realize floor projection and upright projection.
Octagon shaft 2 and the axis hole 1-1 of 1 octagon of plane mirror coordinate, and are rotated clockwise to and nibble for the first time
During conjunction, just realize that plane mirror 1 in vertical direction with 45 °, achievees the purpose that upright projection.
When plane mirror 1 is adjusted to other angles, the projection of projection module 4 is also reflected onto other different angles
Degree, such as the radial section of shaft 2 are positive ten hexagon, when plane mirror 1 is rotated clockwise to third time engagement, are conditioned
To 67.5 degree, the projection of projection module 4 is reflected onto in vertical direction with 45 °.Projection angle caused by the shaft 2 of other structures
Variation can easily be calculated according to geometrical relationship, will not enumerate herein.
Plane mirror 1 can act freely, and when on applied to product, not influence appearance.
The mechanism need not use angular transducer, and simple in structure, manufacture is at low cost.
Embodiment 2
In this embodiment, with embodiment 1 the difference is that the axis hole of limitation 2 rotation angle of shaft can be arranged on axis
It on seat 5-3, can be set using the side wall of axle bed 5-3, shaft 2 is penetrated in the axis hole, radial section and the shaft 2 of the axis hole
Radial section is identical regular polygon, is coordinated by the axis hole and shaft 2 and the adjusting position of plane mirror 1 is consolidated
It is fixed.
It is also equipped with cracking on the wall of the axis hole, the expansible deformation of wall of the axis hole, allows to put down when plane mirror 1 rotates
Face reflective mirror 1, which rotates, to be adjusted to next predetermined angular.
In this embodiment, shaft 2 can be made into integration with plane mirror 1, i.e., respectively protruded in 1 both sides of plane mirror
One section of shaft 2.There is no need to set positioning pin 3 on axle bed 5-3, axial limit can be carried out in 2 end set retainer ring of shaft
Position.
It is identical in the other structures of micro projector and embodiment 1 in the present embodiment, it is not repeated to describe herein.
The above is only the specific embodiments of the utility model, under the above-mentioned introduction of the utility model, art technology
Personnel can carry out other improvement or deformation on the basis of above-described embodiment.It is it will be understood by those skilled in the art that above-mentioned
Specific descriptions simply preferably explain the purpose of this utility model, the scope of protection of the utility model should be with the guarantor of claim
It protects subject to scope.
Claims (10)
1. a kind of micro projector, including projecting module, which is characterized in that set in the projection path of the projection module
There is one piece of plane mirror, the plane mirror is mounted in shaft, is adjusted by rotation around the axis of the shaft to pre-
Determine angle, the projection of the projection module is reflexed into different directions, is adjusted to plane during any one predetermined angular
Reflective mirror can be kept fixed state.
2. micro projector as described in claim 1, which is characterized in that the adjusting angle of the plane mirror is in 0-
In the range of 180 degree, the plane mirror is perpendicular to the lens axis of the projection module, clockwise direction when angle is 0 degree
It is adjustable to 180 degree.
3. micro projector as described in claim 1, which is characterized in that the shaft is regular prism, and radial section is
Regular polygon more than regular hexagon.
4. micro projector as claimed in claim 3, which is characterized in that the radial section of the shaft for octagon,
Dodecagon, positive ten hexagon, positive ten octagon, positive 20 quadrangle or positive 30 hexagon.
5. micro projector as claimed in claim 3, which is characterized in that axis hole, institute are provided on the plane mirror
Shaft to be stated to penetrate in the axis hole, the radial section of the axis hole and the radial section of the shaft are identical regular polygons,
The adjusting position of the plane mirror is fixed by the axis hole and shaft cooperation.
6. micro projector as claimed in claim 5, which is characterized in that it is provided with and cracks on the wall of the axis hole, it is described
The wall expansible deformation of axis hole when plane mirror rotates allows the plane mirror to rotate and adjusts to next predetermined
Angle.
7. micro projector as claimed in claim 3, which is characterized in that the micro projector further includes housing, institute
It is disposed in the housing to state projection module, jagged form is set to project optical channel, the projection on the side wall of the housing
The projection path of module passes through the projection optical channel, and the plane mirror is mounted at the projection optical channel.
8. micro projector as claimed in claim 7, which is characterized in that the housing is set in the projection optical channel upper end
Axle bed is equipped with, the shaft is mounted on the axle bed.
9. micro projector as claimed in claim 8, which is characterized in that axis hole, the shaft are provided on the axle bed
It penetrates in the axis hole, the radial section of the axis hole and the radial section of the shaft are identical regular polygons, pass through institute
It states axis hole and the adjusting position of the plane mirror is fixed in shaft cooperation.
10. micro projector as claimed in claim 7, which is characterized in that supporting table, the throwing are provided in the housing
Shadow module is horizontal or vertical to be mounted in the supporting table；The back side of the plane mirror is provided with attacker or knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626407.4U CN207424512U (en) | 2017-06-01 | 2017-06-01 | A kind of micro projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720626407.4U CN207424512U (en) | 2017-06-01 | 2017-06-01 | A kind of micro projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424512U true CN207424512U (en) | 2018-05-29 |
Family
ID=62397872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720626407.4U Active CN207424512U (en) | 2017-06-01 | 2017-06-01 | A kind of micro projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424512U (en) |
-
2017
- 2017-06-01 CN CN201720626407.4U patent/CN207424512U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |