CN100589005C - Optical element adjusting apparatus and light source module unit - Google Patents
Optical element adjusting apparatus and light source module unit Download PDFInfo
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- CN100589005C CN100589005C CN200710136943A CN200710136943A CN100589005C CN 100589005 C CN100589005 C CN 100589005C CN 200710136943 A CN200710136943 A CN 200710136943A CN 200710136943 A CN200710136943 A CN 200710136943A CN 100589005 C CN100589005 C CN 100589005C
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Abstract
The invention provides an optical element adjustable device, which is used for an optical projection device. The optical element adjustable device comprises a reflecting part, an elastic part and an adjusting screw. The reflecting part is suitable for rotating correspondingly to the first axis line; furthermore, the reflecting part is arranged on a transmission path of a light beam emitted by thelight source of the optical projection device. The reflecting part is suitable for reflecting light beams. The elastic part is coupled with the reflecting part; furthermore, the elastic part applies afirst moment on the reflecting part. The adjusting screw is provided with a cone which is provided with a conical surface which is provided with a coupling reflecting part. The cone applies a secondmoment on the reflecting part; furthermore, the direction of the first moment is opposite to the direction of the second moment.
Description
Technical field
The present invention relates to a kind of adjusting gear and light source module, and be particularly related to a kind of optical element adjusting apparatus and the light source module of using this adjusting gear.
Background technology
Please refer to Fig. 1, it shows the synoptic diagram of existing a kind of light source module.This light source module 100 for example is to use in an optical projection apparatus (not illustrating).Existing light source module 100 comprises a light fixture 110, a light fixture 120, a beam split part 130 and a catoptron 140.Light fixture 110 comprises wick 112 and reflecting cover of paraboloid 114, and the light that reflecting cover of paraboloid 114 is suitable for wick 112 is sent forms light beam 116.Light fixture 120 comprises wick 122 and reflecting cover of paraboloid 124, and the light that reflecting cover of paraboloid 124 is suitable for wick 122 is sent forms light beam 126.Beam split part 130 is the whole the place aheads that go out optical cross-section 118,128 that are disposed at light fixture 110,120, and catoptron 140 be with light fixture 110 to go out optical cross-section 118 relative.
Yet when light source module 100 for example is to be assembled in after optical projection apparatus finishes, the catoptron 140 of light source module 100 can make that catoptron 140 is not the best reflection position that is positioned at expection because of factors such as mechanism's tolerance, assembling tolerance or optical tolerances.Therefore, by repeatedly the penetrating or reflect and its light path of light beam of recycling can depart from the light path of design in advance of beam split part 130, catoptron 140 and light fixture 110,120, make that the collection efficiency of light source module 100 is not good.
Summary of the invention
The invention provides a kind of optical element adjusting apparatus, its reflecting element can adjust.
The invention provides a kind of light source module, the reflecting element of its optical element adjusting apparatus can adjust.
One embodiment of the invention proposes a kind of optical element adjusting apparatus, is used for an optical projection apparatus, and optical element adjusting apparatus comprises a reflecting element, an elastic component and an adjustment screw.Reflecting element is suitable for rotating with respect to a first axle, and is positioned on the bang path of the light beam that a light source of optical projection apparatus launches.Reflecting element is suitable for folded light beam.Elastic component couples reflecting element, and elastic component effect one first moment is on reflecting element.Adjust screw and include a cone, and cone has a circular conical surface that couples reflecting element.Cone effect one second moment is on reflecting element, and the direction in the direction opposite second moment of first moment.When rotation adjustment screw moved to a second place by a primary importance, the value of second moment increased gradually, makes reflecting element rotate an angle along the direction of second moment.When rotation adjustment screw moved to primary importance by the second place, the value of second moment reduced gradually, made reflecting element rotate along the direction of first moment.
Another embodiment of the present invention proposes a kind of light source module, is applied to an optical projection apparatus.The light source module comprises one first light fixture, one second light fixture, a beam split part and an optical element adjusting apparatus.First light fixture is suitable for sending one first light beam, and second light fixture is suitable for sending one second light beam.The beam split part is suitable for making part first light beam to pass through and reflecting part first light beam, and is suitable for making part second light beam to pass through and reflecting part second light beam.
Optical element adjusting apparatus comprises a reflecting element, an elastic component and an adjustment screw.Reflecting element is suitable for rotating with respect to a first axle, and is suitable for reflecting part first light beam and part second light beam next by the beam split part.Elastic component couples reflecting element, and elastic component effect one first moment is on reflecting element.Adjust screw and include a cone, and cone has a circular conical surface that couples reflecting element.Cone effect one second moment is on reflecting element, and the direction in the direction opposite second moment of first moment.When rotation adjustment screw moved to a second place by a primary importance, the value of second moment increased gradually, makes reflecting element rotate an angle along the direction of second moment.When rotation adjustment screw moved to primary importance by the second place, the value of second moment reduced gradually, made reflecting element rotate along the direction of first moment.
The adjustment screw of optical element adjusting apparatus can be by with respect to the rotation of its axis and move along its axis, make reflecting element under the effect of second moment that first moment that elastic component provides and the cone of adjusting screw provide, rotate, to be adjusted to best reflection position.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of existing a kind of light source module.
Fig. 2 is the synoptic diagram of a kind of light source module of one embodiment of the invention.
Fig. 3 is the schematic perspective view of the optical element adjusting apparatus of Fig. 2.
Fig. 4 is the schematic perspective view of the optical element adjusting apparatus partial component of Fig. 2.
Fig. 5 A to Fig. 5 B is the synoptic diagram of start process of the optical element adjusting apparatus of Fig. 3.
Embodiment
The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are directions with reference to the accompanying drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the present invention.In addition, the arrow of the moment that is indicated in the relevant indicators of following examples is only represented its direction but not is represented its value size.
Fig. 2 is the synoptic diagram of a kind of light source module of one embodiment of the invention, and Fig. 3 is the schematic perspective view of the optical element adjusting apparatus of Fig. 2, and Fig. 4 is the schematic perspective view of the optical element adjusting apparatus partial component of Fig. 2.Please refer to Fig. 2, Fig. 3 and Fig. 4, the light source module 200 of present embodiment is applied to an optical projection apparatus (not illustrating).Light source module 200 comprises a light fixture 210, a light fixture 220, a beam split part 230 and an optical element adjusting apparatus 240.Light fixture 210 is suitable for sending a light beam 212, and light fixture 220 is suitable for sending a light beam 222.Beam split part 230 is suitable for making segment beam 212 to pass through and reflecting part light beam 212, and is suitable for making segment beam 222 to pass through and reflecting part light beam 222.
Optical element adjusting apparatus 240 comprises a reflecting element 242, an elastic component 244 and an adjustment spiral shell 246.Reflecting element 242 for example is a level crossing, and elastic component 244 for example is spring or shell fragment or other elastic body.Reflecting element 242 is suitable for rotating with respect to an axis L1, and is suitable for reflecting segment beam next by beam split part 230 212 and segment beam 222.Elastic component 244 couples reflecting element 242, and elastic component 244 effects one moment M1 is on reflecting element 242.Adjust spiral shell 246 and have a cone 246a, and cone 246a has a circular conical surface 246b who couples reflecting element 242.Cone effect one moment M2 is on reflecting element 242, and the direction in the direction opposite moment M2 of moment M1.
Please refer to Fig. 3 and Fig. 4, in the present embodiment, optical element adjusting apparatus 240 comprises that also a framework 248 and puts mirror holder 249.Framework 248 is fixed in the optical projection apparatus, and is disposed in the framework 248 to small part beam split part 230.Put mirror holder 249 and be disposed in the framework 248, and be suitable for rotating with respect to axis L1.Reflecting element 242 is fixed in to be put on the mirror holder 249, and adjustment screw 246 is bolted in framework 248.Cone 246a is positioned at framework 248 and circular conical surface 246b contact and puts mirror holder 249, and elastic component 244 is coupled to and puts between mirror holder 249 and the framework 248.What must emphasize is, in the present invention, putting mirror holder 249 is to be used for installing reflecting element 242, and reflecting element 242 comprises the element with a reflecting surface and is not limited to level crossing.
Refer again to Fig. 2, in the present embodiment, reflecting element 242 is configurable on an axis L2 with light fixture 210.Light fixture 210 can have one and go out optical cross-section 214, a reflex housing 216 (for example being reflecting cover of paraboloid) and be disposed at a wick 218 in the reflex housing 216.The light that reflex housing 216 is suitable for wick 218 is sent forms the light beam 212 that orientating reflex part 242 is advanced.Light fixture 220 configurable in another axis L3 of axis L2 intersection on, axis L2 is vertical in fact with axis L3.Light fixture 220 can have one and go out optical cross-section 224, a reflex housing 226 (for example being reflecting cover of paraboloid) and be disposed at a wick 228 in the reflex housing 226.The light that reflex housing 226 is suitable for wick 228 is sent forms towards the light beam 222 of advancing away from light fixture 220.Reflecting element 242 can be positioned at the relative both sides of axis L3 with light fixture 210.Beam split part 230 is configurable between light fixture 210 and reflecting element 242, and can be positioned at optical cross-section 214 and the place ahead that goes out optical cross-section 224.Mandatory declaration be that light fixture 220 is interchangeable with the position of reflecting element 242.
Can be closed light with segment beam 222 by the segment beam 212 of beam split part 230 reflections, to form a parallel illuminating bundle 202 by beam split part 230.In addition, can be by the segment beam 222 of beam split part 230 reflections and the segment beam 212 that penetrates beam split part 230 via reflecting element 242 reflected back beam split parts 230, and segment beam can be by beam split part 230 by light fixture 210 recyclings, and another part light beam can be reflexed to light fixture 220 by beam split part 230, and by light fixture 220 recyclings.
After 200 assemblings of light source module were finished, the reflecting element 242 of light source module 200 may make that reflecting element 242 is not the best reflection position that is positioned at expection because of factors such as mechanism's tolerance, assembling tolerance or optical tolerances.The user can adjust reflecting element 242 by the adjustment screw 246 of optical element adjusting apparatus 240, makes reflecting element 242 can be positioned at the reflection position of the best of above-mentioned expection.
Below will explain for the adjustment mode of the adjustment screw 246 of optical element adjusting apparatus 240.Fig. 5 A to Fig. 5 B is the synoptic diagram of start process of the optical element adjusting apparatus of Fig. 3.For convenience of description, Fig. 5 A and Fig. 5 B omit and illustrate part frame shown in Figure 3 248 and partly adjust screw 246, and Fig. 5 A and Fig. 5 B illustrate circular section A 1, the A2 of the cone 246a (see figure 4) of adjusting screw 246, and circular section A1, A2 are perpendicular with an axis L4 (as seen Fig. 4) of adjustment screw 246 and contact and put mirror holder 249.Circular section A1 is different with circular section A2 area.Please refer to Fig. 5 A, when the area of circular section A1 for hour, adjusts screw 246 (see figure 4)s and be in a position P 1, and the value of adjusting the moment M2 of screw 246 effects be a minimum.
Please refer to Fig. 5 A and Fig. 5 B, when adjustment screw 246 (see figure 4)s are advanced with respect to its axis L4 rotation and toward the direction of going into paper of Fig. 5 A and Fig. 5 B, the value of moment M2 increases the value with the moment M1 that offsets elastic component 244 effects gradually, makes reflecting element 242 rotate with respect to axis L1 and along the direction of moment M2.
When the area of circular section A2 is maximum, adjust screw 246 and be in another location P2, and the value of the moment M2 of adjustment screw 246 effects is maximum.In addition, when adjustment screw 246 moved to position P2 by position P 1, reflecting element 242 rotated an angle θ along the direction of moment M2, and angle θ can and be less than or equal to 10 degree greater than 0 degree.Otherwise when adjustment screw 246 moved to position P1 with respect to its axis L4 rotation and by position P2, the value of moment M2 reduced gradually, made reflecting element 242 rotate along the direction of moment M1.Therefore, by adjusting screw 246 moving between position P 1 and position P2, reflecting element 242 can tune to the best reflection position of expection.
Be the axis L4 of the adjustment screw 246 of the present embodiment L1 that parallels to the axis in fact in this mandatory declaration.Yet the deviser can comply with its design requirement (for example the planning of optical projection apparatus inner space is considered) and the axis L4 that will adjust screw 246 is designed to vertical axis L 1 in fact.In addition, optical element adjusting apparatus 240 also can be applicable in other module of optical projection apparatus, for example L type projection lens module except optics module 200 (see figure 2)s that can be applicable to optical projection apparatus.Therefore, just non-limiting the present invention of the foregoing description in order to give an example.
In sum, the optical element adjusting apparatus of the embodiment of the invention and light source module have following advantage at least.The adjustment screw of optical element adjusting apparatus can be by with respect to the rotation of its axis and move along its axis, make reflecting element under the effect of the moment that moment that elastic component provides and the cone of adjusting screw provide, rotate, to be adjusted to best reflection position.
Though the present invention with preferred embodiment openly as above; but it is not in order to limit the present invention; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; can do a little change and retouching, so protection scope of the present invention is worked as according to being as the criterion that claim defined.Arbitrary embodiment of the present invention in addition or claim must not reached whole purpose disclosed in this invention or advantage or characteristics.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.
[main element symbol description]
100,200: the light source module
102,202: parallel illuminating bundle
110,120,210,220: light fixture
112,122,218,228: wick
114,124,216,226: reflector
118,128,214,224: go out optical cross-section
116,126,212,222: light beam
130,230: the beam split part
140: catoptron
240: optical element adjusting apparatus
242: reflecting element
244: elastic component
246: adjust screw
246a: cone
246b: circular conical surface
248: framework
249: put mirror holder
A1, A2: circular section
L1, L2, L3, L4: axis
M1, M2: moment
P1, P2: position
θ: angle
Claims (14)
1. an optical element adjusting apparatus is used for optical projection apparatus, and described optical element adjusting apparatus comprises:
Reflecting element is suitable for rotating with respect to first axle, and is positioned on the bang path of light source institute emitted light beams of optical projection apparatus, and wherein reflecting element is suitable for reflecting described light beam;
Elastic component couples described reflecting element, and wherein elastic component effect first moment is on reflecting element; With
Adjust screw, comprise cone, wherein cone has a circular conical surface that couples described reflecting element, and cone effect second moment is on reflecting element, and the direction in the direction opposite second moment of first moment,
When the described adjustment screw of rotation moves to the second place by primary importance, the value of second moment increases gradually, make reflecting element rotate an angle along the direction of second moment, and when the described adjustment screw of rotation moves to primary importance by the second place, the value of second moment reduces gradually, makes reflecting element rotate along the direction of first moment.
2. optical element adjusting apparatus as claimed in claim 1 is characterized in that, also comprises:
Framework is fixed in the optical projection apparatus; With
Put mirror holder, be disposed in the framework, and be suitable for rotating with respect to first axle, wherein reflecting element is fixed in and puts on the mirror holder, adjust screw and be bolted in framework, cone is positioned at framework and circular conical surface and contacts and put mirror holder, and elastic component is coupled to and puts between mirror holder and the framework.
3. optical element adjusting apparatus as claimed in claim 1 is characterized in that, adjusts the parallel in fact described first axle of second axis of screw.
4. optical element adjusting apparatus as claimed in claim 1 is characterized in that, adjusts the vertical in fact described first axle of second axis of screw.
5. optical element adjusting apparatus as claimed in claim 1 is characterized in that elastic component comprises spring or shell fragment.
6. optical element adjusting apparatus as claimed in claim 1 is characterized in that, described angle is greater than 0 degree and is less than or equal to 10 degree.
7. optical element adjusting apparatus as claimed in claim 1 is characterized in that reflecting element comprises level crossing.
8. a light source module is used for optical projection apparatus, and described light source module comprises:
First light fixture is suitable for sending first light beam;
Second light fixture is suitable for sending second light beam;
The beam split part is suitable for making part first light beam to pass through and reflecting part first light beam, and is suitable for making part second light beam to pass through and reflecting part second light beam; With
Optical element adjusting apparatus comprises:
Reflecting element is suitable for rotating with respect to first axle, and is suitable for reflecting part first light beam and part second light beam next by the beam split part; Elastic component couples described reflecting element, and wherein elastic component effect first moment is on reflecting element; With
Adjust screw, comprise cone, wherein cone has a circular conical surface that couples reflecting element, and cone effect second moment is on reflecting element, and the direction in the direction opposite second moment of first moment,
When the described adjustment screw of rotation moves to the second place by primary importance, the value of second moment increases gradually, make reflecting element rotate an angle along the direction of second moment, and when the described adjustment screw of rotation moves to primary importance by the second place, the value of second moment reduces gradually, makes reflecting element rotate along the direction of first moment.
9. light source module as claimed in claim 8 is characterized in that, described optical element adjusting apparatus also comprises:
Framework is fixed in the optical projection apparatus, wherein is disposed in the framework to the described beam split part of small part; With
Put mirror holder, be disposed in the framework, and be suitable for rotating with respect to first axle, wherein reflecting element is fixed in and puts on the mirror holder, adjust screw and be bolted in framework, cone is positioned at framework and circular conical surface and contacts and put mirror holder, and elastic component is coupled to and puts between mirror holder and the framework.
10. light source module as claimed in claim 8 is characterized in that, adjusts the parallel in fact described first axle of second axis of screw.
11. light source module as claimed in claim 8 is characterized in that, adjusts the vertical in fact described first axle of second axis of screw.
12. light source module as claimed in claim 8 is characterized in that elastic component comprises spring or shell fragment.
13. light source module as claimed in claim 8 is characterized in that, described angle is greater than 0 degree and is less than or equal to 10 degree.
14. light source module as claimed in claim 8 is characterized in that reflecting element comprises level crossing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710136943A CN100589005C (en) | 2007-07-23 | 2007-07-23 | Optical element adjusting apparatus and light source module unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710136943A CN100589005C (en) | 2007-07-23 | 2007-07-23 | Optical element adjusting apparatus and light source module unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101354471A CN101354471A (en) | 2009-01-28 |
| CN100589005C true CN100589005C (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710136943A Active CN100589005C (en) | 2007-07-23 | 2007-07-23 | Optical element adjusting apparatus and light source module unit |
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| CN (1) | CN100589005C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11500172B2 (en) | 2019-05-29 | 2022-11-15 | Coretronic Corporation | Optical module and projector |
| US11604329B2 (en) | 2020-01-20 | 2023-03-14 | Coretronic Corporation | Optical element adjustment device and projector |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570273A (en) * | 2013-10-24 | 2015-04-29 | 张家港恩达通讯科技有限公司 | Optical adjustment structure |
| CN109946909B (en) * | 2017-12-21 | 2022-10-04 | 中强光电股份有限公司 | Projection device |
| CN111273416A (en) * | 2018-12-05 | 2020-06-12 | 无锡视美乐激光显示科技有限公司 | Adjusting device in laser optical system |
| WO2023123236A1 (en) * | 2021-12-30 | 2023-07-06 | 华域视觉科技(上海)有限公司 | Lamp unit, headlamp, and vehicle |
-
2007
- 2007-07-23 CN CN200710136943A patent/CN100589005C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11500172B2 (en) | 2019-05-29 | 2022-11-15 | Coretronic Corporation | Optical module and projector |
| US11604329B2 (en) | 2020-01-20 | 2023-03-14 | Coretronic Corporation | Optical element adjustment device and projector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101354471A (en) | 2009-01-28 |
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