CN113551876A - 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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Abstract
The invention provides a positioning system and a method of an optical instrument and the 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 a light outlet of the fixed light source; the theodolite is arranged on one side of the mirror surface of the plane mirror and used for emitting light; the plane mirror is used for reflecting light rays, and the reflected light rays sequentially pass through the incident slit and the emergent slit along the light emergent direction of the fixed light source; and the signal detector is arranged at the light outlet of the emergent slit, is tightly attached to the emergent slit and is used for detecting and obtaining a 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 constructing 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 invention relates to the technical field of optical instrument adjustment, in particular to a positioning system and method of an optical instrument and the optical instrument.
Background
The debugging of the optical instrument has extremely high precision requirements, and a correct and accurate signal can be tested only by ensuring that the ray emitted from the light source can just pass through an instrument receiving surface when the optical instrument is in a proper position; when the ray is used, an isolation room is often required to be built so as to prevent the radiation generated by the ray from harming the physical health of workers.
In a widely used optical instrument debugging method, test equipment is usually placed on an electric displacement table, then the height of the test equipment is adjusted to be consistent with that 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 in real time; however, the above method is not suitable for instruments that cannot perform scanning from time to time, and the method is not only not accurate, but also requires a lot of time and labor costs.
In conclusion, 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, and the like of the positioning method for an 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, the optical instrument including an entrance slit and an exit slit sequentially arranged along a light 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 on one side of the mirror surface of the plane mirror and used for emitting light;
the plane mirror is used for reflecting the light rays, and the reflected light rays sequentially pass through the incident slit and the emergent slit along the light emergent direction of the fixed light source;
the signal detector is arranged at the light outlet of the emergent slit, is tightly attached 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 the 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-emitting direction of the fixed light source, and the positioning method comprises the following steps:
setting a plane mirror, a theodolite and a signal detector according to the positions of the incident slit and the emergent slit;
adjusting the heights of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector 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-emitting direction of a fixed light source, wherein the emergent slit is positioned by adopting the positioning method.
In summary, the positioning system and method for the optical instrument and the optical instrument provided by the invention replace the ray emitted by the fixed light source with the visible light emitted by the theodolite, so that the step of establishing an isolation environment in advance when the ray is used is omitted, and the positioning process of the optical instrument is simpler, more convenient and faster; the detection signal obtained by processing through the external signal detector is used for positioning and judging 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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a positioning system of an optical instrument according to an embodiment of the present invention.
FIG. 2 is a system flow chart illustrating a positioning method of an optical instrument according to an embodiment of the present invention.
Description of the 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 platform; 8. an electric displacement table.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the invention otherwise indicated. 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 the description of the present invention, and any methods, apparatuses, and materials similar or equivalent to those described in the examples of the present invention may be used to practice the present invention.
The optical instrument comprises an incident slit and an emergent slit, if the optical instrument is used for processing rays, the incident slit and the emergent slit need to be assembled and position-adjusted, the precision requirement of the process is extremely high, in the embodiment, the incident slit 2 and the emergent slit 3 are sequentially arranged in the light-emitting direction of a fixed light source 1 by taking the position of the fixed light source 1 as a reference, and in the process, the laser line projector can be preferably 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, where the positioning method in the present embodiment includes:
and S100, setting a plane mirror 4, a theodolite 5 and a signal detector 6 according to the positions of the incident slit 2 and the emergent slit 3.
Specifically, the method comprises the following steps:
a plane mirror 4 is arranged at a light outlet of the fixed light source 1; arranging a theodolite 5 at one side of the mirror surface of the plane mirror 4; the signal detector 6 is disposed at the light exit of the exit slit 3 and closely attached to the exit slit 3.
The plane mirror 4 is close to the light outlet of the fixed light source 1 to more accurately simulate the ray emitted by the fixed light source 1; the signal detector 6 is closely attached to the exit slit 3, and the obtained detection signal can be approximately regarded as the detection signal at the exit slit 3.
And step S200, adjusting the heights of the incident slit 2, the emergent slit 3, the plane mirror 4, the theodolite 5 and the signal detector 6 to be the same as the height of the fixed light source 1.
Specifically, the method comprises the following steps:
a lifting platform 7 is respectively arranged below the incident slit 2, the emergent slit 3, the plane mirror 4, the theodolite 5 and the signal detector 6 (the lifting platform below the emergent slit 3, the plane mirror 4, the theodolite 5 and the signal detector 6 is not marked in the figure); the plurality of elevating stages 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 the height gauge and used as a reference basis to control the plurality of lifting tables 7, so that the heights of all instruments are the same as that of the fixed light source 1, 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 accurately emitted into the incident slit 2 and the emergent slit 3.
And 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.
Open theodolite 5, theodolite 5 sends light and obtains a reflection light after level crossing 4 reflects, and the incident angle of light on level crossing 4 is changed through the position change light of adjustment theodolite 5, and then changes reflection light's angle, finally makes reflection light and fixed light source 1's light-emitting direction be in same vertical plane.
The reflected light after the plane mirror 4 reflects may not be in the same plane as the light emitted by the theodolite 5, so in this embodiment, a plane mirror with an adjustable pitch angle is used, preferably, the pitch angle of the plane mirror 4 is adjusted, and simultaneously, the position of the theodolite 5 is adjusted by an adjusting button on the theodolite 5, so that the light finally reflected by the plane mirror 4 can sequentially pass through the incident 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 rays emitted by the fixed light source 1.
Preferably, the light emitted by the theodolite 5 is visible light, so that the light path in this embodiment is visible and the adjustment of the optical instrument is more directly commanded.
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 the 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 the strongest.
The electric displacement platform is called as an electric displacement platform 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 the embodiment, the electric displacement table 8 moves under the control of a worker, so that the exit slit 3 and the signal detector 6 move together in the light exit direction of the fixed light source 1 to change the distance between the exit slit 3 and the entrance slit 2, and the intensity of detection signals of light of the theodolite 5 detected by the signal detector 6 is different along with the change of the distance between the exit slit 3 and the entrance slit 2; in the moving process 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 in the moving process, the emergent slit 3 and the signal detector 6 are finally positioned at the position where the detection signal is strongest, and the distance between the incident slit 2 and the emergent slit 3 enables the accuracy of the visible light emitted by the theodolite 5 and used for simulating rays to be highest.
In the present invention, there is also provided a positioning system of an optical instrument:
referring to fig. 1, an optical instrument is disposed 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 a light-emitting direction of the fixed light source 1; measuring the height of the fixed light source 1 by using a height gauge as a reference foundation; the lower parts of the entrance slit 2 and the exit slit 3 are respectively provided with a lifting platform 7, 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 platforms 7, the exit slit 3 and the corresponding lifting platform 7 are both arranged on an electric displacement platform 8, and the electric displacement platform 8 is used for moving the exit slit 3.
The spacing 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 a light outlet of the fixed light source 1 and 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, is tightly attached to the emergent slit 3 and is used for detecting and obtaining a detection signal of the reflected light; the lower parts of the plane mirror 4, the theodolite 5 and the signal detector 6 are respectively provided with a lifting platform 7, 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 lifting platforms 7, the signal detector 6 and the corresponding lifting platform 7 are also arranged on the electric displacement platform 8, and when the electric displacement platform 8 moves, the relative position of the signal detector 6 and the emergent slit 3 is unchanged.
The theodolite 5 is arranged on one side of the plane mirror 4 opposite to the fixed light source 1, and 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,
the invention also provides an optical instrument which comprises an incident slit and an emergent slit which are sequentially arranged along the light-emitting direction of a fixed light source, wherein the emergent slit is positioned by adopting the positioning method.
The invention provides a positioning system and method of an optical instrument and the optical instrument, wherein visible light emitted by a theodolite is used for replacing rays emitted by a fixed light source, so that the step of constructing 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 faster; the detection signal obtained by processing through the external signal detector is used for positioning and judging 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 foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an optical instrument's positioning system which characterized in that, optical instrument includes the entrance slit and the exit slit that set gradually along the light-emitting direction of a fixed light source, positioning system includes:
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 used for emitting light;
the plane mirror is used for reflecting the light rays, and the reflected light rays sequentially pass through the incident slit and the emergent slit along the light emergent direction of the fixed light source;
the signal detector is arranged at the light outlet of the emergent slit, is tightly attached 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 the 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 platforms are respectively arranged below the incident slit, the emergent slit, the theodolite, the plane mirror and the signal detector and are used for adjusting the heights of the incident slit, the emergent slit, the theodolite and the plane mirror to be the same as that of the fixed light source;
and 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 stage moves the exit slit and the signal detector according to a detection signal detected by the signal detector.
4. A positioning system according to claim 1 or 2, wherein the mirrors are tilt-angle adjustable mirrors.
5. The positioning system according to claim 1 or 2, wherein the light emitted by the theodolite is visible light.
6. The positioning method of the optical instrument is characterized in that 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, and the positioning method comprises the following steps:
setting a plane mirror, a theodolite and a signal detector according to the positions of the incident slit and the emergent slit;
adjusting the heights of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector 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.
7. The method of claim 6, wherein the step of arranging a plane mirror, a theodolite, and a signal detector according to the positions of the entrance slit and the exit slit comprises:
arranging a plane mirror at a light outlet of the fixed light source;
arranging a theodolite on one side of the mirror surface of the plane mirror;
and arranging a signal detector at the light outlet of the emergent slit and clinging 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 incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector;
and controlling the plurality of lifting tables until the heights of the incident slit, the emergent slit, the plane mirror, the theodolite and the signal detector are the same as that 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 comprises:
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 sequentially arranged along a light exit direction of a fixed light source, wherein the exit slit is positioned by the positioning method according to any one of claims 6 to 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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