CN104570260B - Mounting structure of optical integrator rod and condenser - Google Patents
Mounting structure of optical integrator rod and condenser Download PDFInfo
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- CN104570260B CN104570260B CN201310501840.1A CN201310501840A CN104570260B CN 104570260 B CN104570260 B CN 104570260B CN 201310501840 A CN201310501840 A CN 201310501840A CN 104570260 B CN104570260 B CN 104570260B
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- supporting seat
- integrating rod
- integrating
- condenser
- rod
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses an installation structure of an optical integrating rod and a condenser lens, and belongs to the field of installation structures of optical products. The mounting structure comprises a mounting base (1) with a cylindrical concave surface (11), and an integrating rod supporting seat (2) and a condenser supporting seat (3) which are arranged on the cylindrical concave surface (11) and are arranged adjacently, wherein the condenser supporting seat (3) is formed into a cylindrical structure, and a condenser (4) is mounted on the inner side wall of the condenser supporting seat (3); the bottom surface of the integrating rod supporting seat (2) is formed into an arc surface matched with the cylindrical concave surface (11), and the upper surface of the integrating rod supporting seat (2) is suitable for mounting an integrating rod (5); and the processing reference of the integrating rod supporting seat (2) and the condenser supporting seat (3) is superposed with the optical axis. This mounting structure has solved current ray apparatus lighting system debugging difficulty, and the optical axis is difficult to aim at and leads to the lower technical problem of precision.
Description
Technical Field
The invention belongs to the field of optics, and particularly relates to a structural design of an optical machine illumination system.
Background
In the optical-mechanical illumination system, a converged light beam emitted from a light source needs to be integrated through an optical integrating rod, and then the converged light beam passes through a condensing lens and a reflector to form a clear conjugate image on an imaging device. For such optical precision mechanisms, in order to compensate for correction or design errors, it is often necessary to adjust different optical devices in different degrees of freedom in application; while the optical device is adjusted, the consistency of the optical axis in the whole optical path is required to be ensured, so that the precision of the optical system can be ensured.
However, in the existing optical-mechanical illumination system, due to the unreasonable design of the installation mode or the supporting structure of the optical device, when the optical device is adjusted in different degrees of freedom, the optical axes of the optical devices are not easily aligned, so that the requirements on the operation skills of terminal assembly and debugging personnel are greatly improved, if the debugging is not good, imaging is blurred, and the precision of the optical system is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the problem that the debugging of the optical machine illumination system is difficult and the precision is finally reduced due to the unreasonable installation structure of the existing optical integrating rod and the condenser lens, and the installation structure of the optical integrating rod and the condenser lens with reasonable structure is provided.
In order to solve the technical problem, the mounting structure of the optical integrating rod and the condenser comprises a mounting base with a cylindrical concave surface, and an integrating rod supporting seat and a condenser supporting seat which are arranged on the cylindrical concave surface and are adjacently arranged, wherein the condenser supporting seat is formed into a cylindrical structure, and the condenser is mounted on the inner side wall of the condenser supporting seat; the bottom surface of the integrating rod supporting seat is formed into an arc surface matched with the cylindrical concave surface, and the upper surface of the integrating rod supporting seat is suitable for mounting an integrating rod; and the processing reference of the integrating rod supporting seat and the condenser supporting seat is superposed with the optical axis.
The upper side of the integrating rod supporting seat is formed into a step surface which comprises a first step surface positioned on the lower side and a second step surface positioned on the upper side, and the integrating rod is arranged on the first step surface.
The integrating rod is of a cuboid structure, an integrating rod protective cover wraps the integrating rod along the direction of an optical axis, an integrating rod pressing sheet is arranged between the integrating rod protective cover and the integrating rod supporting seat, one end of the integrating rod pressing sheet is bonded on the integrating rod protective cover, and the other end of the integrating rod pressing sheet is fixed on the integrating rod supporting seat through screws.
One end of the integrating rod pressing sheet is bent downwards and is adhered to the longitudinal side face of the integrating rod protection cover, and the other end of the integrating rod pressing sheet is fixed on the second step face through a screw.
The collecting lens is locked on the inner side wall of the collecting lens supporting seat in a mechanical locking ring mode.
Two first strip holes along the circumferential direction are formed in a cylindrical concave surface matched with the integrating rod supporting seat by the mounting base, and one first strip hole is matched with a threaded hole formed in the integrating rod supporting seat to realize circumferential adjustment and positioning; and the other first long-strip hole is matched with a plurality of threaded holes formed in the axial direction of the integrating rod support seat to realize axial adjustment and positioning.
And a second strip hole is axially formed on the cylindrical concave surface matched with the condenser support seat of the mounting base, and the second strip hole is matched with a threaded hole formed on the condenser support seat to realize axial positioning.
Compared with the prior art, the technical scheme of the invention has the following advantages:
(1) in the mounting structure of the optical integrating rod and the condenser disclosed by the invention, a mounting base is provided with a cylindrical concave surface structure, an integrating rod supporting seat and a condenser supporting seat are arranged on the cylindrical concave surface, and a condenser is mounted on the inner side wall of the condenser supporting seat; the bottom surface of the integrating rod supporting seat is formed into an arc surface matched with the cylindrical concave surface, and the upper surface of the integrating rod supporting seat is suitable for mounting an integrating rod; the processing reference of the integrating rod supporting seat and the condenser supporting seat is superposed with the optical axis; therefore, the integrating rod supporting seat and the condenser supporting seat can be machined on the same part and then assembled in a split mode, and the consistency of the optical axes of the condenser and the optical integrating rod is ensured during working; in addition, the integrating rod supporting seat and the condenser supporting seat are both arranged on the cylindrical concave surface of the mounting base, so that the integrating rod and the condenser cannot deviate from the optical axis when the integrating rod supporting seat and the condenser supporting seat are adjusted.
(2) The integrating rod is of a cuboid structure, and in order to avoid damage of the integrating rod, an integrating rod protective cover is covered around the integrating rod; the integrating rod that the cladding has the integrating rod safety cover like this installs on the first step face of integrating rod supporting seat to fix through an integrating rod preforming, whole simple structure, convenient assembling, manufacturing cost is very low.
(3) Two first strip holes along the circumferential direction are formed in a cylindrical concave surface matched with the integrating rod supporting seat on the mounting base, and one first strip hole is matched with a threaded hole formed in the integrating rod supporting seat to realize circumferential adjustment and positioning; and the other first long-strip hole is matched with a plurality of threaded holes formed in the axial direction of the integrating rod support seat to realize axial adjustment and positioning. Therefore, the circumferential and axial adjustment of the integrating rod supporting seat can be realized by arranging the two first long-strip holes and the threaded holes, and the integrating rod supporting seat rotates on the cylindrical concave surface all the time and cannot deviate from an optical axis due to rotation.
(4) According to the mounting base, the second strip hole is axially formed in the cylindrical concave surface matched with the condenser support seat, the second strip hole is matched with the threaded hole formed in the condenser support seat to achieve axial positioning, the condenser is adjusted forwards and backwards and slides along the cylindrical concave surface, and the optical axis can be guaranteed to be always aligned.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the mounting structure of an integrating rod and a condenser lens according to the present invention;
FIG. 2 is a diagram showing the positional relationship between an integrator rod support base and a condenser lens support base;
FIG. 3 is a schematic structural view of a condenser mount;
fig. 4 is a schematic structural view of the mounting base.
The reference numbers in the figures denote: 1-an installation base, 11-a cylindrical concave surface, 12-a first strip hole, 13-a second strip hole, 2-an integrating rod supporting seat, 21-a first step surface, 22-a second step surface, 3-a collecting lens supporting seat, 4-a collecting lens, 5-an integrating rod, 6-an integrating rod protecting cover and 7-an integrating rod pressing sheet.
Detailed Description
Fig. 1 is a mounting structure of an optical integrator rod and a condenser disclosed by the present invention, which comprises a mounting base 1 with a cylindrical concave surface 11, and an integrator rod support base 2 and a condenser support base 3 which are arranged on the cylindrical concave surface 11 and are adjacently arranged, wherein the condenser support base 3 is formed into a cylindrical structure, and a condenser 4 is mounted on the inner side wall of the condenser support base 3; the bottom surface of the integrating rod supporting seat 3 is formed into an arc surface matched with the cylindrical concave surface 11, and the upper surface of the integrating rod supporting seat 2 is suitable for mounting an integrating rod 5; the processing reference of the integrating rod supporting seat 2 and the condenser supporting seat 3 is superposed with the optical axis.
The processing reference of the integrating rod supporting seat 2 and the collecting lens supporting seat 3 is superposed with the optical axis, and the integrating rod supporting seat 2 and the collecting lens supporting seat 3 can be processed on the same part and assembled in a splitting mode after processing, so that the consistency of the optical axes of the collecting lens and the optical integrating rod can be ensured during working; meanwhile, because the integrating rod supporting seat 2 and the condenser supporting seat 3 are both arranged on the cylindrical concave surface 11 of the mounting base 1, when the integrating rod supporting seat 2 and the condenser supporting seat 3 are adjusted, the integrating rod 4 and the condenser 5 cannot deviate from the optical axis.
Preferably, in the present embodiment, as shown in fig. 2, the integrator rod support base 2 is formed with a stepped surface on the upper side thereof, the stepped surface including a first stepped surface 21 on the lower side and a second stepped surface 22 on the upper side, and the integrator rod 5 is attached to the first stepped surface 21.
The integrating rod 5 is of a cuboid structure with a square incident section, the integrating rod 5 is coated with an integrating rod protective cover 6 along the optical axis direction, an integrating rod pressing sheet 7 is arranged between the integrating rod protective cover 6 and the integrating rod supporting seat 3, one end of the integrating rod pressing sheet 7 is bonded on the integrating rod protective cover 6, and the other end of the integrating rod pressing sheet is fixed on the integrating rod supporting seat 3 through screws. Specifically, one end of the integrating rod pressing sheet 7 is bent downward and adhered to the longitudinal side surface of the integrating rod protecting cover 6, and the other end is fixed to the second step surface 22 by a screw.
As shown in fig. 3, the condenser 4 is locked to the inner side wall of the condenser support base 3 by means of a mechanical lock ring.
As shown in fig. 4, in order to facilitate adjustment of the circumferential and axial positions of the integrator rod support base, the mounting base 1 forms two first elongated holes 12 along the circumferential direction on a cylindrical concave surface 11 matched with the integrator rod support base 2, wherein one of the first elongated holes 12 is matched with a threaded hole formed on the integrator rod support base 2 to achieve circumferential adjustment and positioning; the other first long hole 12 is matched with a plurality of threaded holes formed in the axial direction of the integrator rod support seat 2 to realize axial adjustment and positioning. In order to facilitate the adjustment of the axial position of the condenser support base, a second strip hole 13 is axially formed in the cylindrical concave surface 11 matched with the condenser support base 3 of the mounting base 1, and the second strip hole 13 is matched with a threaded hole formed in the condenser support base 3 to achieve axial positioning.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (5)
1. The utility model provides a mounting structure of optical integration stick and condensing lens which characterized in that: the optical fiber collecting device comprises a mounting base (1) with a cylindrical concave surface (11), and an integrating rod supporting seat (2) and a collecting lens supporting seat (3) which are arranged on the cylindrical concave surface (11) and are arranged adjacently, wherein the collecting lens supporting seat (3) is formed into a cylindrical structure, and a collecting lens (4) is mounted on the inner side wall of the collecting lens supporting seat (3); the bottom surface of the integrating rod supporting seat (2) is formed into an arc surface matched with the cylindrical concave surface (11), and the upper surface of the integrating rod supporting seat (2) can be used for installing an integrating rod (5); the processing reference of the integrating rod supporting seat (2) and the condenser supporting seat (3) is superposed with the optical axis;
two first long-strip holes (12) along the circumferential direction are formed in a cylindrical concave surface (11) matched with the integrating rod supporting seat (2) of the mounting base (1), and one first long-strip hole (12) is matched with a threaded hole formed in the integrating rod supporting seat (2) to realize circumferential adjustment and positioning; the other first long-strip hole (12) is matched with a plurality of threaded holes formed in the axial direction of the integrating rod supporting seat (2) to realize axial adjustment and positioning;
and a second strip hole (13) is axially formed in a cylindrical concave surface (11) matched with the collecting lens supporting seat (3) of the mounting base (1), and the second strip hole (13) is matched with a threaded hole formed in the collecting lens supporting seat (3) to realize axial positioning.
2. The mounting structure of an integrating optical rod and a condenser lens according to claim 1, wherein: the upper side of the integrating rod supporting seat (2) is formed into a step surface, the integrating rod supporting seat comprises a first step surface (21) located on the lower side and a second step surface (22) located on the upper side, and the integrating rod (5) is installed on the first step surface (21).
3. The mounting structure of an integrating optical rod and a condenser lens according to claim 2, wherein: integrating rod (5) are the cuboid structure, cladding has integrating rod safety cover (6) on integrating rod (5) along the optical axis direction, integrating rod safety cover (6) with set up integrating rod preforming (7) between integrating rod supporting seat (2), integrating rod preforming (7) one end bond in on integrating rod safety cover (6), the other end passes through the fix with screw on integrating rod supporting seat (2).
4. The mounting structure of an integrating optical rod and a condenser lens according to claim 3, wherein: one end of the integrating rod pressing sheet (7) is bent downwards and is adhered to the longitudinal side face of the integrating rod protection cover (6), and the other end of the integrating rod pressing sheet is fixed on the second step face (22) through screws.
5. The mounting structure of an optical integrator rod and a condenser lens according to any one of claims 2 to 4, wherein: the collecting lens (4) is locked on the inner side wall of the collecting lens supporting seat (3) in a mechanical locking ring mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501840.1A CN104570260B (en) | 2013-10-23 | 2013-10-23 | Mounting structure of optical integrator rod and condenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501840.1A CN104570260B (en) | 2013-10-23 | 2013-10-23 | Mounting structure of optical integrator rod and condenser |
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| Publication Number | Publication Date |
|---|---|
| CN104570260A CN104570260A (en) | 2015-04-29 |
| CN104570260B true CN104570260B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310501840.1A Active CN104570260B (en) | 2013-10-23 | 2013-10-23 | Mounting structure of optical integrator rod and condenser |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441326A (en) * | 2007-11-23 | 2009-05-27 | 北京美联华新测控技术有限公司 | Zoom apparatus for simulating sun irradiation light source |
| CN101561086A (en) * | 2009-05-21 | 2009-10-21 | 中国科学院长春光学精密机械与物理研究所 | Solar simulating lamp used for vacuum and lamp array thereof |
| JP2011129907A (en) * | 2009-12-15 | 2011-06-30 | Asml Holding Nv | Improved polarization design for lithographic apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3874755B2 (en) * | 2002-10-18 | 2007-01-31 | エーエスエムエル ネザーランズ ビー．ブイ． | Method for determining stray radiation, lithographic projection apparatus |
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- 2013-10-23 CN CN201310501840.1A patent/CN104570260B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441326A (en) * | 2007-11-23 | 2009-05-27 | 北京美联华新测控技术有限公司 | Zoom apparatus for simulating sun irradiation light source |
| CN101561086A (en) * | 2009-05-21 | 2009-10-21 | 中国科学院长春光学精密机械与物理研究所 | Solar simulating lamp used for vacuum and lamp array thereof |
| JP2011129907A (en) * | 2009-12-15 | 2011-06-30 | Asml Holding Nv | Improved polarization design for lithographic apparatus |
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| CN104570260A (en) | 2015-04-29 |
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