CN218728351U - Laser line effect switching device based on right-angle prism - Google Patents
Laser line effect switching device based on right-angle prism Download PDFInfo
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- CN218728351U CN218728351U CN202223045230.9U CN202223045230U CN218728351U CN 218728351 U CN218728351 U CN 218728351U CN 202223045230 U CN202223045230 U CN 202223045230U CN 218728351 U CN218728351 U CN 218728351U
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Abstract
The utility model provides a laser word line effect auto-change over device based on right angle prism, it only through adjusting an optical element, can realize the laser word line effect switching of multiple fan angle, easy operation does benefit to the engineering, and is with low costs. It includes: a laser; a first reflector; a second reflector; the right-angle prism comprises two reflecting surfaces which are vertical to each other and a bevel edge entrance and exit surface; the two mutually vertical reflecting surfaces are specifically a first straight-edge reflecting surface and a second straight-edge reflecting surface; the fan angles of all the Bawell prisms are different; and a linear drive; the rear of the emergent beam of the laser is provided with a first reflector, the rear of a first reflected beam of the first reflector is provided with a second reflector, the rear of a second reflected beam of the second reflector is provided with a right-angle prism, the second reflected beam irradiates to a first straight-edge reflecting surface through an inclined surface entrance and exit surface, and the first straight-edge reflecting surface reflects the incident beam to a second straight-edge reflecting surface.
Description
Technical Field
The utility model relates to a technical field of laser specifically is a word line laser fixed angle device based on powell prism is right.
Background
The Powell prism is an aspheric cylindrical mirror, the top of the Powell prism is a complex two-dimensional aspheric surface curved surface, and a large amount of spherical aberration can be generated when laser passes through the Powell prism, so that light energy is redistributed, the light energy of a central area is reduced, and the light energy is enhanced to an edge area to form a uniform straight line. A laser with this optical effect is referred to as a line laser, as shown in fig. 1. The existing one-word line laser product can only generate one-word line optical effect with a specific fan angle, and when other fan angles are needed, one-word line laser needs to be purchased again, so that the purchase cost is high.
Disclosure of Invention
To the above problem, the utility model provides a word line laser fixed angle device based on powell prism is right, its only through adjusting an optical element, can realize the switching of the laser word line effect of multiple fan angle, easy operation does benefit to the engineering, and is with low costs.
A word line laser angle fixing device based on a Bawell prism pair is characterized by comprising:
a laser;
a first reflector;
a second reflector;
the right-angle prism comprises two reflecting surfaces which are vertical to each other and a bevel edge entrance and exit surface; the two mutually vertical reflecting surfaces are specifically a first straight-edge reflecting surface and a second straight-edge reflecting surface;
the fan angles of all the Baowell prisms are different;
and a linear drive;
the laser comprises a laser device and is characterized in that a first reflector is arranged behind an emergent light beam of the laser device, a second reflector is arranged behind a first reflected light beam of the first reflector, a right-angle prism is arranged behind a second reflected light beam of the second reflector, the second reflected light beam is emitted to a first straight-edge reflecting surface through an inclined surface entrance and exit surface, the first straight-edge reflecting surface reflects the incident light beam to a second straight-edge reflecting surface, the second straight-edge reflecting surface emits an output light beam through a bevel edge entrance and exit surface, a plurality of Baville prisms are arranged at intervals in positions parallel to the outer side of the bevel edge entrance and exit surface, the entrance surface of each Baville prism faces the bevel edge entrance and exit surface, the right-angle prism is externally connected with a linear driving device, and the motion track of the output end of the linear driving device is parallel to the connecting line of the Baville prisms.
It is further characterized in that:
the number of the Bawell prisms is three, the Bawell prisms are respectively a first Bawell prism, a second Bawell prism and a third Bawell prism, the fan angle of the first Bawell prism is M, the fan angle of the second Bawell prism is N, the fan angle of the third Bawell prism is L, M is not equal to N is not equal to L, and the first Bawell prism, the second Bawell prism and the third Bawell prism are arranged at intervals along the direction parallel to the access surface of the bevel edge;
the linear driving device pushes the right-angle prism to enable the output light beams to switch between positions corresponding to the incident surfaces of the first Bawell prism, the second Bawell prism and the third Bawell prism;
the first straight-edge reflecting surface, the second straight-edge reflecting surface and the bevel edge inlet and outlet surface form an angle of 45 degrees;
the laser device, the first reflector, the second reflector, the right-angle prism, the Bawell prisms and the linear driving device are all located in the outer shell, and the outer shell is provided with a long slot hole corresponding to the outlet of the Bawell prisms, so that accurate and reliable emission of a linear light beam is guaranteed.
Adopt the utility model discloses a behind the structure, the laser outgoing beam is parallel beam, reflects through first speculum and second mirror, forms the second reflected light beam. The second reflected beam is reflected by the first straight-side reflecting surface and the second straight-side reflecting surface of the right-angle prism to form an emergent beam, when the propagation direction of the emergent beam is overlapped with the optical axis of any Bawell prism, a word line beam output is generated, the right-angle prism is translated along the direction parallel to the connecting line of the Bawell prism through the linear driving device, the second reflected beam is reflected by the first straight-side reflecting surface and the second straight-side reflecting surface of the right-angle prism to form another emergent beam, when the propagation direction of the other emergent beam is overlapped with the optical axis of the other Bawell prism, another word line beam is generated, and only one optical element is adjusted, so that the laser-word line effect switching of various fan angles can be realized.
Drawings
FIG. 1 is a simplified optical schematic of an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an embodiment of the present invention;
the names corresponding to the numbers in the figure are as follows:
the laser device comprises a laser 1, a first reflector 2, a second reflector 3, a right-angle prism 4, a hypotenuse entrance and exit surface 41, a first straight-edge reflecting surface 42, a second straight-edge reflecting surface 43, a first Powell prism 5, a second Powell prism 6, a third Powell prism 7, a linear driving device 8, an external shell 9 and a slotted hole 91.
Detailed Description
A linear laser angle fixing device based on Bawell prism pairs is shown in figures 1 and 2 and comprises a laser 1, a first reflecting mirror 2, a second reflecting mirror 3, a right-angle prism 4, a plurality of Bawell prisms and a linear driving device 8; the right-angle prism 4 comprises two reflecting surfaces which are vertical to each other and a bevel edge entrance and exit surface 41; the two mutually perpendicular reflecting surfaces are specifically a first straight-edge reflecting surface 42 and a second straight-edge reflecting surface 43; all Powell prisms have different fan angles;
the rear of a light beam emitted by the laser 1 is provided with a first reflector 2, a second reflector 3 is arranged behind a first reflected light beam of the first reflector 2, a right-angle prism 4 is arranged behind a second reflected light beam of the second reflector 3, the second reflected light beam is emitted to a first straight-edge reflecting surface 42 through an inclined surface inlet and outlet surface 41, the first straight-edge reflecting surface 42 reflects the incident light beam to a second straight-edge reflecting surface 43, the second straight-edge reflecting surface 43 emits the output light beam through the inclined surface inlet and outlet surface 41, a plurality of Baville prisms are arranged at intervals in positions parallel to the outer side of the inclined surface inlet and outlet surface 41, the inlet surface of each Baville prism faces the inclined surface inlet and outlet surface 41, a linear driving device 8 is externally connected with the right-angle prism 4, and the motion track of the output end of the linear driving device 8 is parallel to the connecting line of the plurality of rod Baville prisms.
In a specific embodiment, the number of the powell prisms is three, the powell prisms are respectively a first powell prism 5, a second powell prism 6 and a third powell prism 7, and the first powell prism 5, the second powell prism 6 and the third powell prism 7 are arranged at intervals along a direction parallel to the direction of the hypotenuse entrance and exit surface;
the linear driving device 8 pushes the right-angle prism 4 to switch the output light beam among the positions corresponding to the incident surfaces of the first Bawell prism 5, the second Bawell prism 6 and the third Bawell prism 7;
the angle of the first straight-sided reflecting surface 42, the second straight-sided reflecting surface 43 and the hypotenuse entrance and exit surface 41 is 45 °;
the laser device further comprises an outer shell 9, the laser device 1, the first reflecting mirror 2, the second reflecting mirror 3, the right-angle prism 4, the Bawell prisms and the linear driving device 8 are all located in the outer shell 9, the outer shell 9 is provided with a long slotted hole 91 corresponding to the outlet of the Bawell prisms, and accurate and reliable emission of a linear light beam is guaranteed.
In specific implementation, the wavelength of the laser 1 is 532nm; the emergent light beam of the laser 1 is a parallel light beam with the diameter phi of 2mm; the right-angle edges EF and FG of the right-angle prism 4 are reflecting surfaces; the fan angle of the first Baowell prism 5 is 50 degrees; the fan angle of the second Baowell prism 6 is 60 degrees; the fan angle of the third Baowell prism 7 is 70 degrees, the angulations of the first reflector and the second reflector and the corresponding incident light beams are both 45 degrees, and the linear driving device 8 is a linear cylinder driving device or a combined driving device of a motor and a servo assembly.
The working principle is as follows: the light beam emitted from the laser 1 is a parallel light beam, and is reflected by the first reflecting mirror 2 and the second reflecting mirror 3 to form a light beam A. Light beam a is reflected by the edges EF and FG of the right angle prism 4 to form light beam B. When the propagation direction of the beam B coincides with the optical axis of the Bawell prism 5, a word line beam is generated. The right-angle prism 4 is translated, and the light beam A is reflected by right-angle edges EF and FG of the right-angle prism 4 to form a light beam C. When the propagation direction of the light beam C is coincident with the optical axis of the Bawell prism 6, another linear light beam is generated; when the propagation direction of the beam C coincides with the optical axis of the Powell prism 7, another word line beam is generated.
The beneficial effects are as follows: the laser emitting light beam is a parallel light beam and is reflected by the first reflecting mirror and the second reflecting mirror to form a second reflected light beam. The second reflected beam is reflected by the first straight-side reflecting surface and the second straight-side reflecting surface of the right-angle prism to form an emergent beam, when the propagation direction of the emergent beam is overlapped with the optical axis of any Bawell prism, a word line beam output is generated, the right-angle prism is translated along the direction parallel to the connecting line of the Bawell prism through the linear driving device, the second reflected beam is reflected by the first straight-side reflecting surface and the second straight-side reflecting surface of the right-angle prism to form another emergent beam, when the propagation direction of the other emergent beam is overlapped with the optical axis of the other Bawell prism, another word line beam is generated, and only one optical element is adjusted, so that the laser-word line effect switching of various fan angles can be realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A laser word line effect switching device based on a right-angle prism is characterized by comprising:
a laser;
a first reflector;
a second reflector;
the right-angle prism comprises two reflecting surfaces which are vertical to each other and a bevel edge entrance and exit surface; the two mutually vertical reflecting surfaces are specifically a first straight-edge reflecting surface and a second straight-edge reflecting surface;
the fan angles of all the Bawell prisms are different;
and a linear drive;
the laser comprises a laser device and is characterized in that a first reflector is arranged behind a light beam emitted by the laser device, a second reflector is arranged behind a first reflected light beam of the first reflector, a right-angle prism is arranged behind a second reflected light beam of the second reflector, the second reflected light beam is emitted to a first straight-edge reflecting surface through an inclined surface entrance and exit surface, the first straight-edge reflecting surface reflects the incident light beam to a second straight-edge reflecting surface, the second straight-edge reflecting surface emits an output light beam through a bevel edge entrance and exit surface, a plurality of Baowell prisms are arranged at intervals in positions parallel to the outer side of the bevel edge entrance and exit surface, the entrance surface of each Baowell prism faces the bevel edge entrance and exit surface, the right-angle prism is externally connected with a linear driving device, and the motion track of the output end of the linear driving device is parallel to the connecting line of the plurality of Baowell prisms.
2. The apparatus of claim 1, wherein the laser-based word line effect switching device comprises: the number of the Bawell prisms is three, the Bawell prisms are respectively a first Bawell prism, a second Bawell prism and a third Bawell prism, the fan angle of the first Bawell prism is M, the fan angle of the second Bawell prism is N, the fan angle of the third Bawell prism is L, M is not equal to N is not equal to L, and the first Bawell prism, the second Bawell prism and the third Bawell prism are arranged at intervals along the direction parallel to the bevel edge entrance and exit surface.
3. The apparatus of claim 2, wherein the laser-based word line effect switching device comprises: the linear driving device pushes the right-angle prism, so that the output light beams are switched among positions corresponding to the incident surfaces of the first Bawell prism, the second Bawell prism and the third Bawell prism.
4. The apparatus of claim 1, wherein the laser-based orthogonal prism switching device comprises: the first straight-sided reflective surface, the second straight-sided reflective surface, and the hypotenuse entrance and exit surface have an angle of 45 °.
5. The apparatus of claim 1, wherein the laser-based word line effect switching device comprises: the laser device, the first reflector, the second reflector, the right-angle prism, the Bawell prisms and the linear driving device are all located in the outer shell, and the outer shell is provided with a long slot corresponding to the outlet of the Bawell prisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223045230.9U CN218728351U (en) | 2022-11-16 | 2022-11-16 | Laser line effect switching device based on right-angle prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223045230.9U CN218728351U (en) | 2022-11-16 | 2022-11-16 | Laser line effect switching device based on right-angle prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218728351U true CN218728351U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223045230.9U Active CN218728351U (en) | 2022-11-16 | 2022-11-16 | Laser line effect switching device based on right-angle prism |
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| CN (1) | CN218728351U (en) |
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