CN211293472U - Autocollimator with self-calibration function - Google Patents
Autocollimator with self-calibration function Download PDFInfo
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- CN211293472U CN211293472U CN202020144524.9U CN202020144524U CN211293472U CN 211293472 U CN211293472 U CN 211293472U CN 202020144524 U CN202020144524 U CN 202020144524U CN 211293472 U CN211293472 U CN 211293472U
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- autocollimator
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Abstract
The utility model discloses an autocollimator with self-calibration function, which comprises a light source mechanism, a light splitting mechanism, a calibration mechanism and a receiving mechanism; the calibration mechanism and the light source mechanism are respectively arranged at two sides of the light splitting mechanism, and the calibration mechanism is arranged above the light splitting mechanism; the light splitting mechanism comprises a light splitting prism and an angle adjusting mechanism, and the light splitting prism is arranged on the angle adjusting mechanism. The autocollimator is provided with a self-calibration structure, can realize a self-calibration function, and is more convenient to use.
Description
Technical Field
The utility model relates to a microscope technical field, more exactly relate to a take autocollimator of self calibration function.
Background
In the process of continuous development of an optical microscope, objects to be observed are smaller and more along with the higher and more magnification of a microscope objective, for example, a biological microscope in the medical field is commonly used for observing a large number of cells in urine; in order to quickly and accurately identify the cells, the imaging quality of the cells in a detection plane is generally required to be good, the imaging quality of the cells is consistent, the whole plane to be detected is perpendicular to an optical axis, and an instrument with an optical axis checking function in the prior art is an autocollimator. The autocollimator comprises a light source mechanism, a light splitting mechanism, a calibration mechanism and a receiving mechanism. The autocollimator needs to calibrate the angle of the beam splitter of the beam splitting mechanism in the use process, so that the image of the cross reticle and the image of the eyepiece reticle are completely overlapped, and the detection quality is ensured. The autocollimator of the prior art calibrates the light splitting mechanism of the autocollimator through an external adjusting mechanism, and the autocollimator and the adjusting mechanism are two mutually independent components, so that the adjusting mechanism is easy to lose, and inconvenience is brought to the use of the autocollimator.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a take autocollimator of self calibration function, this autocollimator has the self calibration structure, can realize the self calibration function, and it is more convenient to use.
The technical solution of the present invention is to provide an autocollimator with self-calibration function, which comprises a light source mechanism, a light splitting mechanism, a calibration mechanism and a receiving mechanism; the calibration mechanism and the light source mechanism are respectively arranged at two sides of the light splitting mechanism, and the receiving mechanism is arranged above the light splitting mechanism; the light splitting mechanism comprises a light splitting prism and an angle adjusting mechanism, and the light splitting prism is arranged on the angle adjusting mechanism.
After the structure above adopting, the utility model discloses a take autocollimator of self calibration function compares with prior art, has following advantage:
because the utility model discloses a take autocollimator's of self calibration function beam-splitting mechanism includes beam-splitting prism and angle adjustment mechanism, beam-splitting prism locates angle adjustment mechanism on, can adjust beam-splitting prism's angle through angle adjustment mechanism to can self calibration make cross reticle look like and eyepiece graduation chi coincidence completely, it is nimble more convenient to use.
As an improvement, the angle adjusting mechanism comprises an adjusting plate, a supporting piece and an adjusting piece; the supporting piece is supported in the middle of the lower side of the adjusting plate, and the adjusting piece is movably connected to the lower side of the adjusting plate. After adopting this kind of structure, the support piece be used for supporting the adjusting plate, the adjusting part be used for adjusting the angle of adjusting the plate.
As an improvement, the supporting piece comprises a steel ball and a supporting seat, the upper end of the supporting seat is provided with an arc surface matched with the outer wall of the steel ball, and the steel ball is arranged at the upper end of the supporting seat and is attached to the arc surface; the middle part of the lower side of the adjusting plate is propped against the steel ball. After adopting this kind of structure, support piece simple structure not only can support the adjusting plate, can also adjust the position of adjusting plate in a flexible way through the steel ball.
As an improvement, the middle part of the adjusting plate is provided with a through hole, and the edge of the lower port of the through hole is abutted against the spherical surface of the steel ball. After adopting this kind of structure, simple structure, the equipment is convenient.
As an improvement, the adjusting piece is a screw, a threaded hole is arranged on the adjusting plate, a stud of the screw is screwed in the threaded hole, and a nut of the screw is exposed below the adjusting plate. After adopting this kind of structure, it is more convenient to adjust the angle of adjusting plate.
As a refinement, the number of the screws is at least two.
As an improvement, the number of the screws is four, the adjusting plate is of a hexagonal structure, and the four screws are respectively positioned at four corners of the lower side of the adjusting plate. After adopting this kind of structure, the structure is more stable, and the adjustable angle range of adjusting plate is great.
As an improvement, the calibration mechanism is sequentially and coaxially provided with a second pipe diameter, a first pipe diameter and a plane reflector along the direction from the near to the far away from the light splitting mechanism; the second pipe diameter include coaxial first meniscus lens and the biconcave lens that set up in proper order, the convex surface orientation of first meniscus lens the beam-splitting mechanism.
As an improvement, the first tube diameter comprises a second meniscus lens and a double-cemented lens group which are coaxially arranged in sequence; the convex surface orientation of second meniscus lens double-cemented lens group, double-cemented lens group include third meniscus lens and double convex lens, the concave surface of third meniscus lens with a convex surface veneer of double convex lens, the convex surface orientation of third meniscus lens second meniscus lens, another convex surface orientation of double convex lens the plane mirror.
Drawings
Fig. 1 is a schematic structural diagram of an autocollimator with self-calibration function according to the present invention.
Fig. 2 is a schematic diagram of a cross-sectional structure of the autocollimator with self-calibration function according to the present invention.
Shown in the figure: 1. the light source mechanism comprises a light source mechanism, 2, a light splitting mechanism, 201, a light splitting shell, 202, a light splitting prism, 203, an adjusting plate, 204, a through hole, 205, a steel ball, 206, a supporting seat, 207, a threaded hole, 208, a screw, 3, a cross divider, 4, a calibration mechanism, 401, a second pipe diameter, 4011, a first meniscus lens, 4012, a biconcave lens, 402, a first pipe diameter, 4021, a second meniscus lens, 4022, a double-cemented lens group, 403, a plane reflector, 5, a receiving mechanism, 501, a receiving shell, 502, an ocular lens, 503 and a dividing ruler.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.
In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "including," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
As shown in fig. 1 and fig. 2, the utility model discloses an autocollimator with self-calibration function, including light source mechanism 1, beam splitting mechanism 2, calibration mechanism 4 and receiving mechanism.
The light source mechanism 1 is an LED light source. A cross reticle 3 is arranged between the light source mechanism 1 and the light splitting mechanism 2.
The light splitting mechanism 2 includes a light splitting housing 201, a light splitting prism 202 and an angle adjusting mechanism. The beam splitter prism 202 is a conventional prism and will not be described herein. The angle adjusting mechanism comprises an adjusting plate 203, a supporting piece and an adjusting piece. The adjusting plate 203 is of a hexagonal structure, and a circular through hole 204 is formed in the middle of the adjusting plate 203. The supporting member includes a steel ball 205 and a supporting seat 206. The beam splitting prism 202, the adjusting plate 203, the steel ball 205 and the supporting seat 206 are all installed in the beam splitting shell 201. The upper end of the supporting seat 206 is provided with an arc surface matched with the outer wall of the steel ball 205, the steel ball 205 is arranged at the upper end of the supporting seat 206 and is attached to the arc surface, the steel ball 205 is arranged on the arc surface, and the steel ball 205 can roll on the arc surface. The middle part of the adjusting plate 203 is placed on the steel ball 205 and the edge of the lower port of the through hole 204 is abutted against the spherical surface of the steel ball 205. When the adjusting plate 203 swings, the lower port of the through hole 204 always abuts against the spherical surface of the steel ball 205.
Four threaded holes 207 are symmetrically distributed on the adjusting plate 203, a screw 208 is screwed in each threaded hole 207, the nut of the screw 208 faces downwards and is exposed outside the light splitting shell 201, and the angle of the light splitting prism 202 can be adjusted by screwing the screw 208 outside the light splitting shell 201.
The calibration mechanism 4 is located on one side of the light splitting mechanism 2 away from the light source mechanism 1. The calibration mechanism 4 comprises a second pipe diameter 401, a first pipe diameter 402 and a plane reflector 403 which are coaxially arranged in sequence from near to far from the light splitting mechanism 2. Second pipe diameter 401 including coaxial first meniscus lens 4011 and biconcave lens 4012 that set up in proper order, first meniscus lens 4011's convex surface orientation beam split mechanism 2.
The first tube diameter 402 includes a second meniscus lens 4021 and a double cemented lens group 4022 coaxially disposed in sequence. The convex surface of the second meniscus lens 4021 faces the double cemented lens group 4022, the double cemented lens group 4022 includes a third meniscus lens and a double convex lens, the concave surface of the third meniscus lens is cemented with a convex surface of the double convex lens, the convex surface of the third meniscus lens faces the second meniscus lens, and the other convex surface of the double convex lens faces the plane mirror 403.
The receiving mechanism 5 is arranged above the light splitting mechanism 2. The receiving mechanism 5 comprises a receiving shell 501, an ocular 502 and a dividing ruler 503; the receiving shell 501 is far away from one end of the light splitting mechanism 2 and is provided with the eyepiece 502, and one end of the receiving shell 501, which is close to the light splitting mechanism 2, is provided with the dividing ruler 503.
The utility model discloses a take autocollimator of self calibration function's theory of operation as follows: and starting the illuminating mechanism, irradiating light rays onto the plane reflecting mirror 403 through the second pipe diameter 401 and the first pipe diameter 402 in the calibrating mechanism 4, and reflecting the light rays by the plane reflecting mirror 403. The first pipe diameter 402 and the second pipe diameter 401 in the calibration mechanism 4 receive the reflected light and image part of the reflected light on the front focal plane of the receiving mechanism 5. The image on the front focal plane of the observation imaging and receiving mechanism 5 is superposed with the dividing ruler 503 of the ocular lens 502; if not, the locking degree of the screw 208 in the light splitting mechanism 2 is achieved until the image on the front focal plane of the receiving mechanism 5 coincides with the dividing ruler 503 of the eyepiece 502.
Claims (9)
1. An autocollimator with a self-calibration function comprises a light source mechanism, a light splitting mechanism, a calibration mechanism and a receiving mechanism; the calibration mechanism and the light source mechanism are respectively arranged at two sides of the light splitting mechanism, and the receiving mechanism is arranged above the light splitting mechanism; the method is characterized in that: the light splitting mechanism comprises a light splitting prism and an angle adjusting mechanism, and the light splitting prism is arranged on the angle adjusting mechanism.
2. The autocollimator with self-calibration function of claim 1, wherein: the angle adjusting mechanism comprises an adjusting plate, a supporting piece and an adjusting piece; the supporting piece is supported in the middle of the lower side of the adjusting plate, and the adjusting piece is movably connected to the lower side of the adjusting plate.
3. The autocollimator with self-calibration function of claim 2, wherein: the supporting piece comprises a steel ball and a supporting seat, the upper end of the supporting seat is provided with an arc surface matched with the outer wall of the steel ball, and the steel ball is arranged at the upper end of the supporting seat and is attached to the arc surface; the middle part of the lower side of the adjusting plate is propped against the steel ball.
4. The autocollimator with self-calibration function of claim 3, wherein: the middle part of the adjusting plate is provided with a through hole, and the edge of the lower port of the through hole is abutted against the spherical surface of the steel ball.
5. The autocollimator with self-calibration function of claim 2, wherein: the adjusting piece is a screw, a threaded hole is formed in the adjusting plate, a stud of the screw is screwed in the threaded hole, and a nut of the screw is exposed below the adjusting plate.
6. The autocollimator with self-calibration function of claim 5, wherein: at least two screws are arranged.
7. The autocollimator with self-calibration function of claim 6, wherein: the adjusting plate is of a hexagonal structure, and the four screws are respectively positioned at four corners of the lower side of the adjusting plate.
8. The autocollimator with self-calibration function of claim 1, wherein: the calibration mechanism is sequentially and coaxially provided with a second pipe diameter, a first pipe diameter and a plane reflector along the direction from the near to the far away from the light splitting mechanism; the second pipe diameter include coaxial first meniscus lens and the biconcave lens that set up in proper order, the convex surface orientation of first meniscus lens the beam-splitting mechanism.
9. The autocollimator with self-calibration function of claim 8, wherein: the first pipe diameter comprises a second meniscus lens and a double-cemented lens group which are coaxially arranged in sequence; the convex surface orientation of second meniscus lens double-cemented lens group, double-cemented lens group include third meniscus lens and double convex lens, the concave surface of third meniscus lens with a convex surface veneer of double convex lens, the convex surface orientation of third meniscus lens second meniscus lens, another convex surface orientation of double convex lens the plane mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144524.9U CN211293472U (en) | 2020-01-22 | 2020-01-22 | Autocollimator with self-calibration function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144524.9U CN211293472U (en) | 2020-01-22 | 2020-01-22 | Autocollimator with self-calibration function |
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| CN211293472U true CN211293472U (en) | 2020-08-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295078A (en) * | 2021-12-28 | 2022-04-08 | 歌尔股份有限公司 | Prism calibration device and parallelism calibration method |
| CN117784414A (en) * | 2024-02-28 | 2024-03-29 | 北京萨诺光电科技发展有限公司 | Visible light calibrator, laser device and calibration method |
-
2020
- 2020-01-22 CN CN202020144524.9U patent/CN211293472U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295078A (en) * | 2021-12-28 | 2022-04-08 | 歌尔股份有限公司 | Prism calibration device and parallelism calibration method |
| CN117784414A (en) * | 2024-02-28 | 2024-03-29 | 北京萨诺光电科技发展有限公司 | Visible light calibrator, laser device and calibration method |
| CN117784414B (en) * | 2024-02-28 | 2024-06-07 | 北京萨诺光电科技发展有限公司 | Visible light calibrator, laser device and calibration method |
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