CN113009664A - Adjusting device for adjusting optical element, optical element and adjusting method thereof - Google Patents
Adjusting device for adjusting optical element, optical element and adjusting method thereof Download PDFInfo
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- CN113009664A CN113009664A CN202110256996.2A CN202110256996A CN113009664A CN 113009664 A CN113009664 A CN 113009664A CN 202110256996 A CN202110256996 A CN 202110256996A CN 113009664 A CN113009664 A CN 113009664A
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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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Abstract
The invention relates to an adjusting device for adjusting an optical element, an optical element and an adjusting method thereof. The adjusting device comprises an adjusting element, a first screw group, a second screw group and a third screw; the first screw group comprises two first screws, and the second screw group comprises two second screws; the adjusting element is an integrated structure comprising a top plate, a side plate and a bottom plate; the top plate comprises two first screw holes for mounting first screws; the bottom plate comprises two second screw holes for mounting second screws; the positions of the two second screw holes are consistent with those of the two first screw holes up and down; the side plate comprises a third screw hole, and the third screw hole is used for mounting a third screw; when the optical element is adjusted, the optical element is arranged in the adjusting element, and the position of the optical element is adjusted by adjusting the fastening degree of the first screw group, the second screw group and the third screw to the optical element. The invention can improve the convenience of adjusting the optical element in the optical adjusting device and reduce the damage rate of components.
Description
Technical Field
The present invention relates to the field of optical adjustment devices, and more particularly, to an adjustment device for adjusting an optical element, an optical element and an adjustment method thereof.
Background
The existing optical adjusting device is mostly used for laboratory adjustment, does not need to be used for a long time, mostly adopts electric drive, has more parts, more complex structure and larger volume, and ensures that the existing optical adjusting device is difficult to integrate into equipment and can not realize the long-term fixed position maintenance of an optical element. And the mode of fixed mounting after adjustment is usually adopted in the existing optical instrument, and the related optical elements can only be destructively dismantled if fine adjustment is needed in the later stage, so that the possibility of component damage and the like exists in the process.
Disclosure of Invention
The invention aims to provide an adjusting device for adjusting an optical element, the optical element and an adjusting method thereof, so as to improve the convenience of adjusting the optical element in the optical adjusting device and reduce the damage rate of components.
In order to achieve the purpose, the invention provides the following scheme:
an adjustment device for adjusting an optical element, comprising: the adjusting component, the first screw group, the second screw group and the third screw; the first screw set comprises two first screws and the second screw set comprises two second screws;
the adjusting element is an integrated structure comprising a top plate, a side plate and a bottom plate; the top plate comprises two first screw holes, and the first screw holes are used for mounting the first screws; the bottom plate comprises two second screw holes, and the second screw holes are used for mounting second screws; the positions of the two second screw holes are consistent with those of the two first screw holes up and down; the side plate comprises a third screw hole, and the third screw hole is used for mounting a third screw;
when the optical element is adjusted, the optical element is arranged in the adjusting element, the first screw group penetrates through the first screw hole to be contacted with the top end of the optical element, the second screw group penetrates through the second screw hole to be contacted with the bottom end of the optical element, and the third screw penetrates through the third screw hole to be screwed into the screw hole in the side wall of the optical element; the position of the optical element is adjusted by adjusting the degree of fastening of the first, second, and third screws to the optical element.
Optionally, the optical element is cylindrical.
Optionally, the inner wall of the adjusting element is a semi-cylindrical shape, and the inner wall of the adjusting element is a wall surface formed by the inner wall of the top plate, the inner wall of the side plate and the inner wall of the bottom plate.
Optionally, two parallel axes formed by the two first screw holes on the top plate of the adjusting element and the two corresponding second screw holes on the bottom plate are perpendicular to and intersect with the axis of the optical element.
The present invention also provides an optical element with an adjustment device, comprising: the optical element comprises an optical element body, an adjusting element, a first screw group, a second screw group and a third screw; the first screw set comprises two first screws and the second screw set comprises two second screws;
the adjusting element is an integrated structure comprising a top plate, a side plate and a bottom plate; the top plate comprises two first screw holes, and the first screw holes are used for mounting the first screws; the bottom plate comprises two second screw holes, and the second screw holes are used for mounting second screws; the positions of the two second screw holes are consistent with those of the two first screw holes up and down; the side plate comprises a third screw hole, and the third screw hole is used for mounting a third screw;
the optical element body is arranged in the adjusting element, the first screw group penetrates through the first screw hole and is located at the top end of the optical element body, the second screw group penetrates through the second screw hole and is located at the bottom end of the optical element body, and the third screw penetrates through the third screw hole and is matched with the screw hole in the side wall of the optical element body.
Optionally, the optical element body is cylindrical; the inner wall of the adjusting element is semi-cylindrical, and the inner wall of the adjusting element is a wall surface formed by the inner wall of the top plate, the inner wall of the side plate and the inner wall of the bottom plate.
Optionally, two parallel axes formed by the two first screw holes on the top plate of the adjusting element and the two corresponding second screw holes on the bottom plate are perpendicular to and intersect with the axis of the optical element body.
The present invention also provides an adjusting method of an optical element, the adjusting method is used for adjusting the optical element, and the adjusting method of the optical element includes:
loosening the third screw, screwing the first screw group and the second screw group in an equivalent manner, adjusting the optical element body to translate along the y axis, and observing that the state of a first signal received by the rear end is changed from low to high and then low;
the first screw group and the second screw group are unscrewed in an equal amount, the third screw is screwed, the optical element body is translated to the highest point of the first signal state along the y axis, and the adjustment of the optical element body in the y axis direction is completed;
loosening the first screw group, tightening the second screw group, adjusting the optical element body to rotate around the x axis, and observing a second signal state received by the rear end;
if the second signal state is changed from low to high to low, rotating the optical element body to the highest point of the second signal state around the x axis to complete the adjustment of the rotation of the optical element body around the x axis;
if the second signal state is from high to low, loosening the second screw group, tightening the first screw group, rotating the optical element body to the highest point of the second signal state around the x axis, and completing the adjustment of the rotation of the optical element body around the x axis;
loosening the first screw and the second screw at the first end, tightening the first screw and the second screw at the second end, adjusting the optical element body to rotate around the z axis, and observing the state of a third signal received at the rear end; the first screw and the second screw at the first end vertically correspond to each other, and the first screw and the second screw at the second end vertically correspond to each other;
if the third signal state is changed from low to high to low, rotating the optical element body to the highest point of the third signal state around the z axis to complete the adjustment of the rotation of the optical element body around the z axis;
if the third signal state is from high to low, loosening the first screw and the second screw at the second end, tightening the first screw and the second screw at the first end, rotating the optical element body to the highest point of the third signal state around the z axis, and finishing the adjustment of the rotation of the optical element body around the z axis;
the x axis is the axial direction of the optical element body, the positive direction of the z axis is the direction in which the bottom plate of the adjusting element points to the top plate, and the y axis is the direction in which a Cartesian coordinate system is formed by the x axis and the z axis.
Optionally, the method further includes:
and adjusting the length specifications of the first screw group, the second screw group and the third screw, and adjusting the adjustment range of the optical element body.
Optionally, the unscrewing the third screw, tightening the first screw group and the second screw group in equal amount, adjusting the optical element body to translate along the y-axis, and observing that the state of the first signal received by the rear end changes from low to high and then to low, further includes:
placing the optical element body inside the adjusting element, and screwing the third screw into the screw hole on the side wall of the optical element body through the third screw hole so that the outer wall of the optical element body is tangent to the inner wall of the adjusting element;
screwing the first screw group into the first screw hole and contacting with the top end of the optical element body;
and screwing the second screw group into the second screw hole and contacting with the bottom end of the optical element body.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the adjusting device and the optical element with the adjusting device have simple structures and small volumes, can realize the adjustment of multiple degrees of freedom of the optical element by screwing and unscrewing the screw, have multiple degrees of freedom of adjustment, can be integrated into an instrument, and can adjust the optical element in time without destroying related structures after the equipment state is changed, such as equipment maintenance or component replacement, so that an optical system of the instrument works in an optimal state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a general schematic view of an adjusting apparatus for adjusting an optical element according to the present invention;
FIG. 2 is a front view of the adjustment device of the present invention;
FIG. 3 is a side cut view of the adjustment device of the present invention;
FIG. 4 is a schematic view of an optical element body according to the present invention.
Reference numbers in the figures: 1: an optical element (body); 2-1, 2-2: a first screw set; 2-3, 2-4: a second screw set; 3: a debugging element; 4: and a third screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The adjusting device according to the invention is used for adjusting an optical element, which, when integrated with the optical element, forms an optical element with an adjustable device, in which case the optical element is referred to as an optical element body. The optical element and the optical element body are the same concept in the present invention.
Fig. 1 is an overall schematic view of the adjusting device of the present invention, fig. 2 is a front view of the adjusting device of the present invention, and fig. 3 is a side cut view of the adjusting device of the present invention. As shown in fig. 1-3, the adjustment device comprises an adjustment element 3, a first screw set comprising first screws 2-1 and 2-2, a second screw set comprising second screws 2-3 and 2-4, and a third screw 4.
The adjusting element 3 is an integral structural member including a top plate, a side plate and a bottom plate, and the shapes of the top plate, the side plate and the bottom plate can be designed correspondingly according to the shape of the optical element. For example, the shape of the optical element as shown in fig. 4, in which case the optical element is a cylinder with at least an axial direction, for example, the optical element is a cylinder as a whole. The inner wall of the corresponding adjusting element is at least in a semi-cylindrical shape, namely in a half cylindrical barrel structure, and the inner wall of the adjusting element is a recessed wall surface of the adjusting element, namely a wall surface integral body consisting of the inner wall of the top plate, the inner wall of the side plate and the inner wall of the bottom plate.
The top plate of the adjusting element 3 comprises two first screw holes which are used for respectively mounting the first screws 2-1 and 2-2; the bottom plate of the adjusting element 3 comprises two second screw holes for respectively mounting the second screws 2-3 and 2-4. The positions of the two second screw holes and the positions of the two first screw holes are consistent up and down, namely the four screw holes form a rectangular shape. The side plate of the adjusting element 3 comprises a third screw hole for mounting the third screw 4, and the side wall of the optical element body correspondingly is also provided with a screw hole for mounting the third screw 4.
When the optical element 1 is adjusted by adopting the adjusting device, the optical element (body) 1 is arranged in the adjusting element 3, the first screw groups 2-1 and 2-2 penetrate through the first screw hole to be contacted with the top end of the optical element 1, the second screw groups 2-3 and 2-4 penetrate through the second screw hole to be contacted with the bottom end of the optical element 1, the first screw group and the second screw group are matched to contact the optical element 1 to play a supporting and fixing role, and the third screw 4 penetrates through the third screw hole to be screwed into the screw hole in the side wall of the optical element 1 to further fix the optical element 1. If the optical element 1 is cylindrical, two parallel axes formed by two first screw holes on the top plate and two corresponding second screw holes on the bottom plate of the adjusting element 3 are perpendicular to and intersect with the axis of the optical element 1, and then the position of the optical element 1 is adjusted by adjusting the fastening degree of the first screw group, the second screw group and the third screw 4 to the optical element 1. The adjusting device of the invention can adjust and fix the optical element with the diameter smaller than that of the adjusting element. The invention enables the optical element 1 to be adjusted and fixedly installed in the instrument through the structure of the adjusting device, and can be integrated together, and the optical element 1 is installed while the adjustment is completed.
As shown in fig. 1, the direction of the y-axis can be determined from a cartesian coordinate system with the axis of the optical element 1 as the x-axis and the positive x-axis to the right and the positive z-axis in the vertical direction, and the optical element 1 can be adjusted by three degrees of freedom of rotation about the x-axis, rotation about the z-axis and translation along the y-cycle by adjusting the first screw group, the second screw group and the third screw 4, and the optical element 1 can be rigidly locked to stably maintain the position of the optical element 1. The specific implementation method comprises the following steps: in the mounted state, keeping the third screw 4 still, the adjustment of the rotational freedom of the optical element 1 about the x-axis can be achieved by screwing in the first screw groups 2-1 and 2-2 and unscrewing the second screw groups 2-3 and 2-4 or screwing out the first screw groups 2-1 and 2-2 and screwing in the second screw groups 2-3 and 2-4; keeping the third screw 4 still, the adjustment of the rotational freedom of the optical element 1 around the z-axis can be achieved by screwing the first screw 2-1 and the second screw 2-4 at the first end and unscrewing the first screw 2-2 and the second screw 2-3 at the second end or unscrewing the first screw 2-1 and the second screw 2-4 at the first end and screwing the first screw 2-2 and the second screw 2-3 at the second end; screwing out the third screw 4 simultaneously into the first screw set and the second screw set nail or screwing in the third screw 4 simultaneously out of the first screw set and the second screw set enables a freedom of adjustment of the optical element 1 in translation along the y-axis.
When the adjusting means and the optical element body are assembled together, an optical element with the adjusting means can be formed, and the optical element 1 in fig. 1-3 is the optical element body 1. At this time, the optical element body 1 is arranged inside the adjusting element 3, the first screw group penetrates through the first screw hole and is located at the top end of the optical element body 1, the second screw group penetrates through the second screw hole and is located at the bottom end of the optical element body 1, and the third screw 4 penetrates through the third screw hole and is matched with the screw hole in the side wall of the optical element body 1.
Placing the optical element body 1 inside the adjusting element 3, and screwing the third screw into a screw hole on the side wall of the optical element body 1 through a third screw hole so that the outer wall of the optical element body 1 is tangent to the inner wall of the adjusting element 3; then, the first screw group is screwed into the first screw hole and is contacted with the top end of the optical element body 1; and screwing the second screw group into the second screw hole and contacting the bottom end of the optical element body 1, so as to finish the whole installation process of the optical element.
When the optical element body is adjusted after the optical element with the adjusting device is installed, the adjusting method is as follows:
a: and loosening the third screw, screwing the first screw group and the second screw group in equal quantity, adjusting the optical element body to translate along the y axis, and observing that the state of the first signal received by the rear end is changed from low to high and then to low.
B: and unscrewing the first screw group and the second screw group in an equal amount, tightening the third screw, translating the optical element body to the highest point of the first signal state along the y axis, and finishing the adjustment of the optical element body in the y axis direction.
C: and loosening the first screw group, tightening the second screw group, adjusting the optical element body to rotate around the x axis, and observing a second signal state received by the rear end. If the second signal state is from low to high to low, executing step D1; if the second signal state is from high to low, step D2 is executed.
D1: and rotating the optical element body around the x axis to the highest point of the second signal state to complete the adjustment of the rotation of the optical element body around the x axis.
D2: and loosening the second screw group, tightening the first screw group, and rotating the optical element body to the highest point of the second signal state around the x axis to complete the adjustment of the rotation of the optical element body around the x axis.
E: and loosening the first screw and the second screw at the first end, tightening the first screw and the second screw at the second end, adjusting the optical element body to rotate around the z axis, and observing the state of a third signal received at the rear end. If the third signal state is from low to high to low, go to step F1; if the third signal state is present from high to low, step F2 is executed. In the step, the first screw and the second screw at the first end vertically correspond to each other, and the first screw and the second screw at the second end vertically correspond to each other.
F1: and rotating the optical element body around the z axis to the highest point of the third signal state to complete the adjustment of the rotation of the optical element body around the z axis.
F2: and loosening the first screw and the second screw at the second end, tightening the first screw and the second screw at the first end, rotating the optical element body to the highest point of the third signal state around the z axis, and finishing the adjustment of the rotation of the optical element body around the z axis.
G: and (4) repeating the steps A to F for multiple times, wherein the signal state received by the rear ends of any two screws to be loosened can only be reduced.
The three degrees of freedom of adjustment of rotation about the x-axis, rotation about the z-axis and translation along the y-axis are achieved, and meanwhile, the first screw group, the second screw group and the third screw 4 are tightened in the adjustment process, so that the optical element body 1 can be fixed at the current position for a long time.
According to the present invention, the adjustment range of the optical element body 1 in three degrees of freedom can be adjusted by adjusting the length specifications of the first screw group, the second screw group, and the third screw 4.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An adjustment device for adjusting an optical element, comprising: the adjusting component, the first screw group, the second screw group and the third screw; the first screw set comprises two first screws and the second screw set comprises two second screws;
the adjusting element is an integrated structure comprising a top plate, a side plate and a bottom plate; the top plate comprises two first screw holes, and the first screw holes are used for mounting the first screws; the bottom plate comprises two second screw holes, and the second screw holes are used for mounting second screws; the positions of the two second screw holes are consistent with those of the two first screw holes up and down; the side plate comprises a third screw hole, and the third screw hole is used for mounting a third screw;
when the optical element is adjusted, the optical element is arranged in the adjusting element, the first screw group penetrates through the first screw hole to be contacted with the top end of the optical element, the second screw group penetrates through the second screw hole to be contacted with the bottom end of the optical element, and the third screw penetrates through the third screw hole to be screwed into the screw hole in the side wall of the optical element; the position of the optical element is adjusted by adjusting the degree of fastening of the first, second, and third screws to the optical element.
2. An adjustment device for adjusting an optical element according to claim 1, characterized in that the optical element is cylindrical.
3. The adjusting apparatus according to claim 2, wherein the inner wall of the adjusting member is a semi-cylindrical shape, and the inner wall of the adjusting member is a wall surface formed by the inner wall of the top plate, the inner wall of the side plate, and the inner wall of the bottom plate.
4. The adjusting device for adjusting an optical element according to claim 2, wherein two parallel axes formed by the two first screw holes on the top plate and the two corresponding second screw holes on the bottom plate of the adjusting element are perpendicular to and intersect with the axis of the optical element.
5. An optical element with an adjustment device, comprising: the optical element comprises an optical element body, an adjusting element, a first screw group, a second screw group and a third screw; the first screw set comprises two first screws and the second screw set comprises two second screws;
the adjusting element is an integrated structure comprising a top plate, a side plate and a bottom plate; the top plate comprises two first screw holes, and the first screw holes are used for mounting the first screws; the bottom plate comprises two second screw holes, and the second screw holes are used for mounting second screws; the positions of the two second screw holes are consistent with those of the two first screw holes up and down; the side plate comprises a third screw hole, and the third screw hole is used for mounting a third screw;
the optical element body is arranged in the adjusting element, the first screw group penetrates through the first screw hole and is located at the top end of the optical element body, the second screw group penetrates through the second screw hole and is located at the bottom end of the optical element body, and the third screw penetrates through the third screw hole and is matched with the screw hole in the side wall of the optical element body.
6. An optical element with an adjustment device according to claim 5, characterized in that the optical element body is cylindrical; the inner wall of the adjusting element is semi-cylindrical, and the inner wall of the adjusting element is a wall surface formed by the inner wall of the top plate, the inner wall of the side plate and the inner wall of the bottom plate.
7. The optical element with adjusting device of claim 6, wherein two parallel axes formed by two first screw holes on the top plate of the adjusting element and two corresponding second screw holes on the bottom plate are perpendicular to and intersect with the axis of the optical element body.
8. An optical element adjusting method for adjusting the optical element according to any one of claims 5 to 7, the optical element adjusting method comprising:
loosening the third screw, screwing the first screw group and the second screw group in an equivalent manner, adjusting the optical element body to translate along the y axis, and observing that the state of a first signal received by the rear end is changed from low to high and then low;
the first screw group and the second screw group are unscrewed in an equal amount, the third screw is screwed, the optical element body is translated to the highest point of the first signal state along the y axis, and the adjustment of the optical element body in the y axis direction is completed;
loosening the first screw group, tightening the second screw group, adjusting the optical element body to rotate around the x axis, and observing a second signal state received by the rear end;
if the second signal state is changed from low to high to low, rotating the optical element body to the highest point of the second signal state around the x axis to complete the adjustment of the rotation of the optical element body around the x axis;
if the second signal state is from high to low, loosening the second screw group, tightening the first screw group, rotating the optical element body to the highest point of the second signal state around the x axis, and completing the adjustment of the rotation of the optical element body around the x axis;
loosening the first screw and the second screw at the first end, tightening the first screw and the second screw at the second end, adjusting the optical element body to rotate around the z axis, and observing the state of a third signal received at the rear end; the first screw and the second screw at the first end vertically correspond to each other, and the first screw and the second screw at the second end vertically correspond to each other;
if the third signal state is changed from low to high to low, rotating the optical element body to the highest point of the third signal state around the z axis to complete the adjustment of the rotation of the optical element body around the z axis;
if the third signal state is from high to low, loosening the first screw and the second screw at the second end, tightening the first screw and the second screw at the first end, rotating the optical element body to the highest point of the third signal state around the z axis, and finishing the adjustment of the rotation of the optical element body around the z axis;
the x axis is the axial direction of the optical element body, the positive direction of the z axis is the direction in which the bottom plate of the adjusting element points to the top plate, and the y axis is the direction in which a Cartesian coordinate system is formed by the x axis and the z axis.
9. The method for adjusting an optical element according to claim 8, further comprising:
and adjusting the length specifications of the first screw group, the second screw group and the third screw, and adjusting the adjustment range of the optical element body.
10. The method of claim 8, wherein the third screw is loosened and the first screw set and the second screw set are tightened in equal amounts, the optical element body is adjusted to translate along the y-axis, and the first signal state received by the observation back end appears from low to high to low, and the method further comprises:
placing the optical element body inside the adjusting element, and screwing the third screw into the screw hole on the side wall of the optical element body through the third screw hole so that the outer wall of the optical element body is tangent to the inner wall of the adjusting element;
screwing the first screw group into the first screw hole and contacting with the top end of the optical element body;
and screwing the second screw group into the second screw hole and contacting with the bottom end of the optical element body.
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| CN202110256996.2A CN113009664B (en) | 2021-03-09 | 2021-03-09 | Adjusting device for adjusting optical element, optical element and adjusting method thereof |
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| CN202110256996.2A CN113009664B (en) | 2021-03-09 | 2021-03-09 | Adjusting device for adjusting optical element, optical element and adjusting method thereof |
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| CN102902034A (en) * | 2012-10-25 | 2013-01-30 | 中国科学院微电子研究所 | Two-dimensional adjusting mechanism for optical element |
| CN103487911A (en) * | 2013-10-11 | 2014-01-01 | 复旦大学 | Precision positioning and adjusting device for off-axis optical element |
| CN104216093A (en) * | 2014-09-29 | 2014-12-17 | 中国科学院光电研究院 | Auxiliary adjustment device for optical-mechanical system |
| CN107272135A (en) * | 2017-06-13 | 2017-10-20 | 苏州艾力光电科技有限公司 | A kind of multi-angle regulation light fixture |
| CN208537808U (en) * | 2018-07-27 | 2019-02-22 | 成都市明峰光学仪器有限公司 | Optical element for apparatus for adjusting position clamps micromatic setting |
| CN210605166U (en) * | 2019-10-18 | 2020-05-22 | 青岛海信激光显示股份有限公司 | Reflector spatial position adjusting mechanism and optical instrument |
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