CN113551876B - Positioning system and method of optical instrument and optical instrument - Google Patents
Positioning system and method of optical instrument and optical instrument Download PDFInfo
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- CN113551876B CN113551876B CN202110788209.9A CN202110788209A CN113551876B CN 113551876 B CN113551876 B CN 113551876B CN 202110788209 A CN202110788209 A CN 202110788209A CN 113551876 B CN113551876 B CN 113551876B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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Abstract
The invention provides a positioning system, a method and an optical instrument of an optical instrument, wherein the optical instrument comprises an incident slit and an emergent slit which are sequentially arranged along the emergent direction of a fixed light source, and the positioning system comprises: the plane mirror is fixedly arranged at the light outlet of the fixed light source; the theodolite is arranged on one side of the mirror surface of the plane mirror and is used for emitting light; the plane mirror is used for reflecting light, and the reflected light sequentially passes through the incident slit and the emergent slit along the light emitting direction of the fixed light source; the signal detector is arranged at the light outlet of the emergent slit and is clung to the emergent slit and used for detecting and obtaining the detection signal of the reflected light. According to the positioning system and method of the optical instrument and the optical instrument, the visible light emitted by the theodolite is used for replacing the rays emitted by the fixed light source, so that the step of building an isolation environment in advance when the rays are used is omitted, the time cost is saved, and the labor cost is also saved.
Description
Technical Field
The present invention relates to the field of optical instrument adjustment technologies, and in particular, to a positioning system and method for an optical instrument and an optical instrument.
Background
The debugging of the optical instrument has extremely high precision requirement, and only if the optical instrument is ensured to be at a proper position, the rays emitted from the light source can just pass through the receiving surface of the instrument, so that the correct and accurate signals can be tested; when rays are used, an isolation room is often required to be built, so that the radiation generated by the rays is prevented from damaging the health of staff.
In the widely used optical instrument debugging method, test equipment is usually placed on an electric displacement table, the height of the test equipment is then adjusted to be consistent with the height of a light source, and after the light source is turned on, the position of the instrument is adjusted by scanning light rays emitted by the light source from time to time; however, the above method is not suitable for an instrument that cannot perform scanning from time to time, and the accuracy is not good enough, and a lot of time and labor costs are required.
In summary, the optical instrument positioning method in the prior art has the problems of poor accuracy, high time cost, high labor cost and the like.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a positioning system and method for an optical instrument and an optical instrument, so as to solve the problems of poor accuracy, high time cost and labor cost of the positioning method for the optical instrument in the prior art.
To achieve the above and other related objects, the present invention provides a positioning system of an optical instrument including an entrance slit and an exit slit sequentially arranged along an exit direction of a fixed light source, the positioning system comprising:
the plane mirror is fixedly arranged at the light outlet of the fixed light source;
the theodolite is arranged at one side of the mirror surface of the plane mirror and is used for emitting light rays;
the plane mirror is used for reflecting the light, and the reflected light sequentially passes through the entrance slit and the exit slit along the light emitting direction of the fixed light source;
the signal detector is arranged at the light outlet of the emergent slit and is clung to the emergent slit and is used for detecting and obtaining a detection signal of the reflected light;
and the adjusting component is used for adjusting the heights and positions of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector.
The invention also discloses a positioning method of the optical instrument, the optical instrument comprises a fixed light source, an incident slit and an emergent slit which are sequentially arranged along the light emergent direction of the fixed light source, the positioning method comprises the following steps:
according to the positions of the incident slit and the emergent slit, a plane mirror, a theodolite and a signal detector are arranged;
the heights of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector are adjusted to be the same as the height of the fixed light source;
adjusting the theodolite and the plane mirror until the transmission direction of the reflected light is completely consistent with the light emitting direction of the fixed light source;
and adjusting the position of the emergent slit according to the detection signal detected by the signal detector until the detection signal is strongest.
The invention also discloses an optical instrument, which comprises an incident slit and an emergent slit which are sequentially arranged along the light emergent direction of a fixed light source, wherein the emergent slit is positioned by adopting the positioning method.
In summary, the positioning system, the method and the optical instrument provided by the invention replace the rays emitted by the fixed light source by using the visible light emitted by the theodolite, so that the step of building an isolation environment in advance when the rays are used is omitted, and the positioning process of the optical instrument is simpler, more convenient and quicker; the detection signals obtained through the processing of the external signal detector are used for positioning judgment of the emergent slit, so that the positioning process of the optical instrument is clearer, the time cost is saved, and the labor cost is also saved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a positioning system of an optical instrument according to an embodiment of the invention.
FIG. 2 is a flow chart of a positioning method of an optical instrument according to an embodiment of the invention.
Description of element reference numerals
1. Fixing a light source; 2. an entrance slit; 3. an exit slit; 4. a plane mirror; 5. a theodolite; 6. a signal detector; 7. a lifting table; 8. an electric displacement table.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the invention. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.
Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention belongs, and any method, apparatus, or material of the prior art similar or equivalent to the methods, apparatus, or materials described in the examples of this invention may be used to practice the invention.
The optical instrument includes an entrance slit and an exit slit, and if the optical instrument is used for ray treatment, the entrance slit and the exit slit need to be assembled and adjusted in position, which has extremely high requirements on precision, while in this embodiment, the entrance slit 2 and the exit slit 3 are sequentially placed in the light emitting direction of the fixed light source 1 with reference to the position of the fixed light source 1, and in this process, preferably, a laser line projector may be used for adjustment.
The stationary light source 1 in this embodiment is used for emitting radiation, preferably X-rays.
Referring to fig. 2, a system flow chart of a positioning method of an optical instrument is shown, and the positioning method in this embodiment includes:
step S100, a plane mirror 4, a theodolite 5 and a signal detector 6 are arranged according to the positions of the entrance slit 2 and the exit slit 3.
Specifically, the method comprises the following steps:
the plane mirror 4 is arranged at the light outlet of the fixed light source 1; arranging a theodolite 5 on one side of the mirror surface of the plane mirror 4; the signal detector 6 is disposed at the light outlet of the exit slit 3 and is closely attached to the exit slit 3.
The plane mirror 4 is close to the light outlet of the fixed light source 1 so as to more accurately simulate the rays emitted by the fixed light source 1; the signal detector 6 is in close proximity to the exit slit 3 and the resulting detection signal can be regarded approximately as the detection signal at the exit slit 3.
In step S200, the heights of the entrance slit 2, the exit slit 3, the plane mirror 4, the theodolite 5, and the signal detector 6 are adjusted to be the same as the height of the fixed light source 1.
Specifically, the method comprises the following steps:
lifting tables 7 (lifting tables below the outgoing slit 3, the plane mirror 4, the theodolite 5 and the signal detector 6 are not marked in the figure) are respectively arranged below the incoming slit 2, the outgoing slit 3, the plane mirror 4, the theodolite 5 and the signal detector 6; the plurality of elevating tables 7 are controlled until the heights of the entrance slit 2, the exit slit 3, the plane mirror 4, the theodolite 5, and the signal detector 6 are the same as the height of the fixed light source 1.
The height of the fixed light source 1 is measured by adopting a height ruler, and the plurality of lifting tables 7 are controlled to enable the heights of all instruments to be the same as that of the fixed light source 1, so that the laser emitted by the fixed light source 1 and the light emitted by the theodolite 5 can be at the same height, and the adjusted reflected light can be ensured to be accurately emitted into the incident slit 2 and the emergent slit 3.
And step S300, adjusting the theodolite and the plane mirror until the transmission direction of the reflected light is completely consistent with the light emitting direction of the fixed light source.
The theodolite 5 is opened, the theodolite 5 emits light rays which are reflected by the plane mirror 4 to obtain reflected light rays, the incidence angle of the light rays on the plane mirror 4 is changed by adjusting the position of the theodolite 5, the angle of the reflected light rays is further changed, and finally the reflected light rays and the light emitting direction of the fixed light source 1 are positioned on the same vertical plane.
The reflected light after being reflected by the plane mirror 4 may not be in the same plane with the light emitted by the theodolite 5, so in this embodiment, a plane mirror with adjustable pitching angle is used, preferably, the position of the theodolite 5 is adjusted by an adjusting button on the theodolite 5 while the pitching angle of the plane mirror 4 is adjusted, so that the light finally reflected by the plane mirror 4 can sequentially pass through the entrance slit 2 and the exit slit 3, and the propagation direction of the light is completely consistent with the light emitting direction of the fixed light source 1, thereby achieving the purpose of simulating the radiation emitted by the fixed light source 1.
Preferably, the light emitted by the theodolite 5 is visible, so that the light path in this embodiment is visible, and the adjustment of the optical instrument is more direct.
Step S400, adjusting the position of the exit slit 3 according to the detection signal detected by the signal detector 6 until the detection signal of the signal detector 6 is strongest.
An electric displacement table 8 is arranged below the emergent slit 3 and the signal detector 6; the electric displacement table 8 moves the exit slit 3 and the signal detector 6 according to the detection signal detected by the signal detector 6, and controls the electric displacement table 8 to move until the detection signal of the signal detector 6 is strongest.
The electric displacement table is called as an electric displacement table for short, and is widely applied to the fields of scientific research, laser application, full-automatic metering and detecting instrument equipment, industrial automation and the like due to the characteristics of high precision, high speed, large bearing capacity, long stroke and the like so as to realize automatic displacement control in the environments of vacuum, pollution, sterility, radiation and the like; in this embodiment, the electric displacement table 8 moves under the control of a worker, so that the outgoing slit 3 moves together with the signal detector 6 in the light outgoing direction of the fixed light source 1 to change the distance between the outgoing slit 3 and the incoming slit 2, and the intensity of the detection signal of the light beam of the theodolite 5 detected by the signal detector 6 is also different along with the change of the distance between the outgoing slit 3 and the incoming slit 2; during the movement of the electric displacement table 8, the relative positions of the emergent slit 3 and the signal detector 6 are unchanged, the specific numerical value of the detection signal detected by the signal detector 6 is observed during the movement, the emergent slit 3 and the signal detector 6 are finally positioned at the position with the strongest detection signal, and at the moment, the distance between the incident slit 2 and the emergent slit 3 enables the accuracy of the visible light which is emitted by the theodolite 5 and used for simulating rays to be highest.
In the present invention, there is also provided a positioning system for an optical instrument:
referring to fig. 1, an optical instrument is set with a fixed light source 1 as a reference, the optical instrument includes an entrance slit 2 and an exit slit 3, and the entrance slit 2 and the exit slit 3 are sequentially disposed in the light emitting direction of the fixed light source 1; measuring the height of the fixed light source 1 by adopting a height ruler as a reference foundation; lifting tables 7 are respectively arranged below the entrance slit 2 and the exit slit 3, the heights of the entrance slit 2 and the exit slit 3 are adjusted to be consistent with the fixed light source 1 by adjusting the lifting tables 7, the exit slit 3 and the lifting tables 7 corresponding to the exit slit 3 are arranged on an electric displacement table 8, and the electric displacement table 8 is used for moving the exit slit 3.
The pitch of the entrance slit 2 and the exit slit 3 determines the accuracy of the optical instrument.
The positioning system in this embodiment includes: the plane mirror 4 is fixedly arranged at the light outlet of the fixed light source 1 and is used for reflecting light rays emitted by the theodolite 5; the theodolite 5 is arranged on one side of the mirror surface of the plane mirror 4 and is opposite to the fixed light source 1; the signal detector 6 is arranged at the light outlet of the emergent slit 3 and is clung to the emergent slit 3 and is used for detecting and obtaining a detection signal of the reflected light; the elevating platform 7 is arranged below the plane mirror 4, the theodolite 5 and the signal detector 6 respectively, the heights of the plane mirror 4, the theodolite 5 and the signal detector 6 are adjusted to be consistent with the fixed light source 1 by adjusting the elevating platform 7, the signal detector 6 and the elevating platform 7 corresponding to the signal detector 6 are also arranged on the electric displacement platform 8, and when the electric displacement platform 8 moves, the relative positions of the signal detector 6 and the emergent slit 3 are unchanged.
The theodolite 5 is arranged on one side of the plane mirror 4, which is opposite to the fixed light source 1, and the light rays emitted by the theodolite 5 can sequentially pass through the incident slit 2 and the emergent slit 3 along the light emitting direction of the fixed light source after being reflected by the plane mirror 4,
in the present invention, an optical apparatus is further provided, which includes an entrance slit and an exit slit sequentially disposed along a light emitting direction of a fixed light source, wherein the exit slit is positioned by the above positioning method.
The invention provides a positioning system and a positioning method of an optical instrument and the optical instrument, wherein the visible light emitted by a theodolite is used for replacing rays emitted by a fixed light source, so that the step of building an isolation environment in advance when the rays are used is omitted, and the positioning process of the optical instrument is simpler, more convenient and quicker; the detection signals obtained through the processing of the external signal detector are used for positioning judgment of the emergent slit, so that the positioning process of the optical instrument is clearer, the time cost is saved, and the labor cost is also saved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A positioning system for an optical instrument, the optical instrument including an entrance slit and an exit slit disposed in order along an exit direction of a fixed light source, the positioning system comprising:
the plane mirror is fixedly arranged at the light outlet of the fixed light source;
the theodolite is arranged at one side of the mirror surface of the plane mirror and is used for emitting light rays;
the plane mirror is used for reflecting the light, and the reflected light sequentially passes through the entrance slit and the exit slit along the light emitting direction of the fixed light source;
the signal detector is arranged at the light outlet of the emergent slit and is clung to the emergent slit and is used for detecting and obtaining a detection signal of the reflected light;
and the adjusting component is used for adjusting the heights and positions of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector.
2. The positioning system of claim 1 wherein the adjustment component comprises:
the lifting tables are respectively arranged below the entrance slit, the exit slit, the theodolite, the plane mirror and the signal detector and are used for adjusting the heights of the entrance slit, the exit slit, the theodolite and the plane mirror to be the same as the fixed light source;
the electric displacement platform is arranged below the lifting platform corresponding to the emergent slit and the signal detector and is used for moving the emergent slit and the signal detector according to the detection signal.
3. The positioning system of claim 2 wherein the motorized displacement stage moves the exit slit and the signal detector based on a detection signal detected by the signal detector.
4. The positioning system of claim 1 or 2, wherein the flat mirror is an adjustable tilt angle flat mirror.
5. A positioning system according to claim 1 or 2, wherein the light emitted by the theodolite is visible light.
6. A positioning method of an optical instrument, the optical instrument including a fixed light source, an entrance slit and an exit slit sequentially arranged along an exit direction of the fixed light source, the positioning method comprising:
according to the positions of the incident slit and the emergent slit, a plane mirror, a theodolite and a signal detector are arranged;
the heights of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector are adjusted to be the same as the height of the fixed light source;
the theodolite and the plane mirror are adjusted until the transmission direction of the reflected light is completely consistent with the light emitting direction of the fixed light source;
and adjusting the position of the emergent slit according to the detection signal detected by the signal detector until the detection signal is strongest.
7. The positioning method according to claim 6, wherein the step of disposing a plane mirror, a theodolite, and a signal detector according to the positions of the entrance slit and the exit slit comprises:
the plane mirror is arranged at the light outlet of the fixed light source;
arranging a theodolite on one side of a mirror surface of the plane mirror;
the signal detector is arranged at the light outlet of the emergent slit and is clung to the emergent slit.
8. The positioning method according to claim 6, wherein the step of adjusting the heights of the entrance slit, the exit slit, the plane mirror, the theodolite, and the signal detector to be the same as the height of the fixed light source comprises:
lifting tables are respectively arranged below the entrance slit, the exit slit, the plane mirror, the theodolite and the signal detector;
and controlling a plurality of lifting tables until the heights of the entrance slit, the exit slit, the plane mirror, the theodolite and the signal detector are the same as the height of the fixed light source.
9. The positioning method according to claim 6, wherein the step of adjusting the position of the exit slit until the detection signal of the signal detector is strongest includes:
an electric displacement table is arranged below the emergent slit and the signal detector;
and controlling the electric displacement table to move according to the detection signal detected by the signal detector until the detection signal is strongest.
10. An optical instrument comprising an entrance slit and an exit slit arranged in sequence along the light exit direction of a fixed light source, wherein the exit slit is positioned by a positioning method according to any one of claims 6-9.
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| CN202110788209.9A CN113551876B (en) | 2021-07-09 | 2021-07-09 | Positioning system and method of optical instrument and optical instrument |
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| CN202110788209.9A CN113551876B (en) | 2021-07-09 | 2021-07-09 | Positioning system and method of optical instrument and optical instrument |
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| CN113551876B true CN113551876B (en) | 2023-11-07 |
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