CN115548856B - Direction-adjustable laser emission light source, adjusting method thereof and optical instrument - Google Patents

Direction-adjustable laser emission light source, adjusting method thereof and optical instrument Download PDF

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Publication number
CN115548856B
CN115548856B CN202211524025.2A CN202211524025A CN115548856B CN 115548856 B CN115548856 B CN 115548856B CN 202211524025 A CN202211524025 A CN 202211524025A CN 115548856 B CN115548856 B CN 115548856B
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China
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adjusting
laser emission
shell
emission module
adjustment
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CN115548856A (en
Inventor
林上民
王虎
王渊博
薛要克
周藏龙
乔江
于玥
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XiAn Institute of Optics and Precision Mechanics of CAS
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XiAn Institute of Optics and Precision Mechanics of CAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/101—Lasers provided with means to change the location from which, or the direction in which, laser radiation is emitted
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Abstract

The invention belongs to the technical field of optical instruments, in particular to a pointing-adjustable laser emission light source, a pointing-adjustable laser emission light source adjusting method and an optical instrument, and solves the problem that pointing included angles among single laser emission modules in the existing array laser light source are difficult to adjust. The light source comprises a shell, a plurality of adjusting sleeves positioned in the shell, a laser emission module positioned in each adjusting sleeve and a plurality of groups of adjusting screw assemblies matched with the shell; through adjusting each set of adjusting screw assembly, the quick adjustment of the pointing direction of each laser emission module can be realized, and the requirements of various different working conditions on the light source can be met. The optical instrument is an optical instrument with a laser emission source whose direction is adjustable.

Description

Direction-adjustable laser emission light source, adjusting method thereof and optical instrument
Technical Field
The invention belongs to the technical field of optical instruments, and particularly relates to a pointing-adjustable laser emission light source, an adjusting method thereof and an optical instrument with the light source.
Background
With the rapid development of science and technology, the application of laser measurement technology is more and more extensive. Optical instruments such as laser radar and laser tracker are rapidly developed in large-scale three-dimensional shape measurement and high-precision attitude and distance measurement technologies. Can often use array laser emission light source as the light source in this kind of instrument, conventional array laser emission light source often is fixed pointing, if need adjust pointing, generally realize through putting it in turntable mechanism, but this kind of mode can only realize array laser light source whole directional change, in the array laser light source single laser emission module is directional contained angle each other and is difficult to adjust, and then lead to corresponding laser radar and laser tracker to be difficult to use and have special requirements's operating mode to single laser emission module directional contained angle, the commonality is relatively poor.
Disclosure of Invention
In order to solve the problem that the pointing included angle between the single laser emission modules in the existing array laser light source is difficult to adjust, the invention provides the pointing-adjustable laser emission light source, the adjusting method thereof and the optical instrument with the light source, so that the pointing adjustment of the single laser emission module and the rapid adjustment of the pointing included angle between the laser emission modules can be realized, and the requirements of different working conditions on the light source can be met.
The technical scheme of the invention is as follows:
a pointing-adjustable laser emission light source, characterized in that: the laser emission device comprises a shell, n adjusting sleeves positioned in the shell, a laser emission module positioned in each adjusting sleeve and n groups of adjusting screw components matched with the shell; wherein n is an integer greater than or equal to 1;
the top of the shell is provided with n light outlets;
the adjusting sleeves are barrel-shaped, the n adjusting sleeves are arranged in the shell, the bottom of each adjusting sleeve is connected to the bottom of the shell through a spherical hinge, and the opening ends of the adjusting sleeves correspond to the light outlets one by one and face the light outlets;
the laser emission module is fixedly arranged in the adjusting sleeve, an optical axis of the laser emission module is parallel to or coincident with an axial center line of the adjusting sleeve, and a light outlet end of the laser emission module faces to an opening end of the adjusting sleeve;
each group of adjusting screw components is matched with the shell to realize two-degree-of-freedom pointing adjustment of each laser emission module; each group of adjusting screw components comprises at least two first adjusting screws and at least two second adjusting screws, one ends of the two first adjusting screws respectively penetrate through the side wall of the shell, so that the adjusting sleeve is positioned between the two first adjusting screws, and the two first adjusting screws are adjusted to extrude the two adjusting sleeves along the x-direction to realize the x-direction pointing adjustment of the laser emission module;
one end of each of the two second adjusting screws penetrates through the side wall of the shell, the end parts of the two second adjusting screws are in contact with the two sides of the adjusting sleeve along the y direction, and the y direction pointing adjustment of the laser emission module is realized by adjusting the length of the two second adjusting screws screwed into the shell.
Further, the first adjusting screw is divided into three sections, namely a smooth shaft section, a conical shaft section and a threaded shaft section;
the optical shaft section of one first adjusting screw in each group of adjusting screw assemblies penetrates through the first side wall of the shell and is connected with the second side wall, the conical shaft section is positioned in the shell, and the threaded shaft section is in threaded connection with the first side wall of the shell; the optical shaft section of the other first adjusting screw in each group of adjusting screw assemblies penetrates through the second side wall of the shell and is connected with the first side wall, the conical shaft section is positioned in the shell, and the threaded shaft section is in threaded connection with the second side wall of the shell;
two first adjusting screw in every adjusting screw subassembly cooperate the use, and the wrong income degree of depth of adjustment threaded spindle, the awl axle section syntropy removes, extrudees the relative both sides of adjustment sleeve, realizes laser emission module x to directional adjustment.
Furthermore, the adjusting sleeve is provided with two posture adjusting edges which are fixed on the outer walls of two opposite sides of the adjusting sleeve and extend along the axial direction of the adjusting sleeve; two first adjusting screw rods in each set of adjusting screw rod assembly are matched for use, the screwing-in depth of the threaded shaft section is adjusted, the conical shaft section moves in the same direction to extrude posture adjusting edges on two opposite sides of the adjusting sleeve, and the x-direction pointing adjustment of the laser emission module is realized.
Furthermore, the spherical hinge is of a segment structure;
the bottom of the shell is provided with n stepped holes which correspond to the adjusting sleeves one by one;
the bottom of the adjusting sleeve is arranged at the large end of the stepped hole, and a gap is formed between the bottom of the adjusting sleeve and the wall of the large end hole of the stepped hole;
the spherical hinge is arranged at the small end of the step hole, the bottom surface of the spherical segment is tightly attached to the bottom plane of the adjusting sleeve, and the adjusting sleeve and the spherical hinge are fixed by screws; under the action of external force, the spherical hinge can rotate in the small end of the step hole.
Furthermore, in order to facilitate assembly, the shell consists of three parts, namely a cover plate, a body and a pressing plate; the cover plate is covered on the top of the body, and the pressing plate is fixed at the bottom of the body; the light outlet is arranged on the cover plate; the n adjusting sleeves are arranged in the body at equal intervals; the step hole is formed in the bottom of the body;
the pressing plate is provided with through holes which are matched with the small ends of the stepped holes at the bottom of the body one by one, a spherical hinge mounting hole is formed by matching the through holes with the small ends of the stepped holes at the bottom of the body, the molded surface of the hole wall of the spherical hinge mounting hole is a first spherical hinge matching arc surface, and the first spherical hinge matching arc surface is matched with the spherical surface of the spherical hinge; the spherical hinge is arranged in the spherical hinge mounting hole.
Furthermore, the surface of the spherical hinge opposite to the bottom surface of the spherical segment is a plane.
Furthermore, the adjusting sleeve is provided with an auxiliary mounting flange for fixing the adjusting sleeve on the shell after the pointing adjustment is finished; the upper end face of the body is provided with a fastening threaded hole, and the first adjusting screw rod and the second adjusting screw rod are tightly pressed by the fastening screw after the posture adjustment is finished.
In order to further ensure the synchronous motion of the laser emission module and the adjusting sleeve, the adjusting sleeve is provided with a plurality of laser emission module fixing holes, and the laser emission module in the adjusting sleeve is fixed by injecting glue through the laser emission module fixing holes; or the laser emission module is fixedly pressed in the laser emission module fixing hole by a fastening screw penetrating through the laser emission module fixing hole; the adjusting sleeve is provided with a power line through hole of the laser emission module.
The invention also provides a method for adjusting the pointing-adjustable laser emission light source, which is characterized by comprising the steps of carrying out x-direction pointing adjustment and/or y-direction pointing adjustment on any laser emission module;
wherein the x-direction pointing adjustment comprises the following steps:
step a1, opening the top of a shell;
a2, rotating two second adjusting screws in the same group of adjusting screw components corresponding to the laser emission module outwards until the second adjusting screws are separated from the contact surface of the adjusting sleeve;
a3, adjusting two first adjusting screws in the same group of adjusting screw assemblies corresponding to the laser emission module to simultaneously move in the same direction, so as to realize the adjustment of the x-direction pointing direction of the laser emission module;
step a4, judging whether the x-direction pointing direction of the laser emission module meets the set requirement, if so, executing step a5, otherwise, returning to step a3;
step a5, adjusting two second adjusting screws, moving the jacking adjusting sleeves at the same time, and installing the top of the shell;
wherein the y-direction adjustment comprises the following steps:
step b1, opening the top of the shell;
b2, rotating two first adjusting screws in the same group of adjusting screw assemblies corresponding to the laser emission module outwards until the first adjusting screws are separated from the contact surface of the adjusting sleeve;
b3, adjusting two second adjusting screws in the same group of adjusting screw assemblies corresponding to the laser emission module to rotate reversely at the same time, so as to realize the adjustment of the y-direction of the laser emission module;
b4, judging whether the y-direction of the laser emission module reaches a set requirement, if so, executing a step b5, otherwise, continuously rotating two first adjusting screws (6) in the same group of adjusting screw assemblies corresponding to the laser emission module (3) outwards, and returning to the step b3;
and b5, adjusting the two first adjusting screws to move simultaneously to abut against the adjusting sleeves, and installing the top of the shell.
The invention also provides an optical instrument with the pointing-adjustable laser emission light source.
The invention has the beneficial effects that:
1. according to the invention, each laser module is fixed in the adjusting sleeve, the pose of the adjusting sleeve is adjusted based on the adjusting screw assembly, and the laser module is driven by the adjusting sleeve, so that the pointing adjustment of each laser module is realized, the adjusting structure is simpler, and the influence on the performance of the laser module is smaller.
2. The bottom of the adjusting sleeve is connected to the bottom of the shell through the high-precision spherical hinge, and the adjusting sleeve and the spherical hinge are matched to restrain the posture of the laser module, so that the stability and the accuracy of pointing adjustment are ensured.
3. The posture adjustment can be quickly realized by adjusting the opposite vertex of the second adjusting screw rod; the posture adjustment is realized by adjusting the posture adjustment edge of the first adjustment screw to extrude the adjustment sleeve; the two adjustment modes are finished at the same side, so that the operation is very convenient; finally, the posture of the adjusting sleeve is fixed through the auxiliary mounting flange and the set screw, and the stability after the posture is adjusted is facilitated.
4. According to the invention, the posture adjusting edge is additionally arranged on the adjusting sleeve, and the first adjusting screw is matched with the posture adjusting edge, so that the posture of the adjusting sleeve can be adjusted more flexibly.
Drawings
FIG. 1 is a schematic three-dimensional structure of an embodiment of a pointing-adjustable laser emission light source;
FIG. 2 is a cross-sectional view of an embodiment of a tunable laser emission source;
FIG. 3 is a top view of an embodiment directed to an adjustable laser emitting light source (hidden cover plate);
FIG. 4a is a front view of a first adjustment screw of an embodiment of the pointing adjustable laser emission source;
FIG. 4b is a right side view of a first adjustment screw of the example pointing adjustable laser emitting light source;
FIG. 5a is a perspective view of an adjustment sleeve in an embodiment of an adjustable pointing laser emitting light source;
FIG. 5b is a bottom view of an adjustment sleeve in an embodiment directed to an adjustable laser emitting light source;
FIG. 6a is an isometric view of a body in an embodiment directed to an adjustable laser emitting light source;
FIG. 6b is a cross-sectional view of a body in an embodiment of the tunable laser emitting light source;
FIG. 7 is a schematic diagram of a structure of a middle pressure plate of an embodiment of a pointing-adjustable laser emission light source;
FIG. 8 is a schematic diagram of a spherical hinge structure in an embodiment of a pointing-adjustable laser emitting light source;
the reference numbers in the figures are:
1. a housing; 11. a first side wall; 12. a second side wall; 13. a step hole large end; 14. a small end of the stepped hole; 15. the power line of the laser emission module passes through the hole; 2. adjusting the sleeve; 21. a posture adjustment edge; 22. auxiliary installation flanges; 221. an auxiliary mounting hole; 23. a laser emission module fixing hole; 24. a laser emission module mounting hole; 25. a first threaded hole; 3. a laser emission module; 4. a light outlet; 5. spherical hinge; 51. the bottom surface of the ball segment; 52. fixing the threaded through hole; 53. a counter bore; 54. a spherical arc surface; 6. a first adjusting screw; 61. a light axis segment; 62. a cone shaft section; 63. a threaded shaft section; 631. adjusting a process tank; 7. a second adjusting screw; 8. pressing a plate; 81. a through hole; 811. the first spherical hinge is matched with the arc surface; 82. a flange; 821. a flange mounting hole; 9. a cover plate; 10. a body; 100. the second spherical hinge is matched with the arc surface; 101. the first adjusting screw rod is matched with the screw hole; 102. the first adjusting screw is matched with the unthreaded hole; 103. the second adjusting screw rod is matched with the screw hole; 104. a screw; 105. a fixing screw; 106. tightly fixing the threaded hole; 107. a second threaded hole; 108. and (4) a hole groove.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
With reference to fig. 1, 2 and 3, it can be seen that the present embodiment of the directionally adjustable laser emitting light source includes a housing 1; the top of the shell 1 is provided with 7 light outlets 4, and the 7 light outlets 4 are arranged along the length direction of the shell 1; 7 barrel-shaped adjusting sleeves 2 which correspond to the light outlets 4 one by one are arranged in the shell 1 at equal intervals along the length direction of the shell 1, the bottoms of the adjusting sleeves 2 are connected to the bottom of the shell 1 through spherical hinges 5, and the open ends of the adjusting sleeves 2 face the light outlets 4; a laser emission module 3 is arranged in each adjusting sleeve 2, the optical axis of the laser emission module 3 is parallel to or coincident with the axial center line of the adjusting sleeve 2, the light outlet end of the laser emission module 3 faces the light outlet 4, and laser beams are emitted from the light outlet 4; this directional adjustable laser emission light source still includes 7 sets of adjusting screw subassembly with each adjusting sleeve 2 one-to-one, and 7 sets of adjusting screw subassembly pass 1 lateral wall of casing, contact with adjusting sleeve 2, through adjusting screw subassembly, can adjust each posture of adjusting sleeve 2, and then realize the directional adjustment of each laser emission module 3. In this embodiment, the housing is a cubic housing, and the length direction of the housing may be defined as the x direction, and the width direction of the housing may be defined as the y direction. Each group of adjusting screw assemblies comprises two first adjusting screws 6 and two second adjusting screws 7, one ends of the two first adjusting screws 6 respectively penetrate through the side wall of the shell 1, so that the adjusting sleeve 2 is positioned between the two first adjusting screws 6, the middle sections of the two first adjusting screws 6 are contacted with the two sides of the adjusting sleeve 2 along the x direction, and the adjustment of the x direction pointing direction of the laser emission module 3 is realized by adjusting the two first adjusting screws 6 to extrude the adjusting sleeve 2; one ends of the two second adjusting screws 7 respectively penetrate through the side wall of the shell 1, the end parts of the two second adjusting screws 7 are respectively contacted with the two sides of the adjusting sleeve 2 along the y direction, and the y direction pointing adjustment of the laser emission module 3 is realized by adjusting the length of the two second adjusting screws 7 screwed into the shell 1. In other embodiments, the number of the adjusting sleeves 2 can be adjusted according to actual requirements. Of course, the number of the first adjusting screws 6 and the second adjusting screws 7 in each group of adjusting screw assemblies can also be adjusted according to actual requirements, for example, the x-direction pointing adjustment of the laser emission module 3 can be realized by extruding the adjusting sleeve 2 through the four first adjusting screws 6; one ends of the two first adjusting screws 6 respectively penetrate through the side wall of the shell 1, the middle section of each first adjusting screw is in contact with two opposite sides of the upper end of the adjusting sleeve 2, one ends of the other two first adjusting screws 6 respectively penetrate through the side wall of the shell 1, the middle section of each first adjusting screw is in contact with two opposite sides of the lower end of the adjusting sleeve 2, and the adjusting sleeve 2 is extruded by adjusting the four first adjusting screws 6 to realize the directional adjustment of the laser emission module 3 x. In the same way, each group of adjusting screw assemblies also comprises four second adjusting screws 7, and the adjusting sleeves 2 are extruded by the four second adjusting screws 7 to realize the y-direction pointing adjustment of the laser emission module 3.
Specifically, the first adjusting screw 6 is provided with three sections, namely, an optical axis section 61, a conical axis section 62 and a threaded axis section 63, as shown in fig. 4 a. As can be seen in fig. 3, the optical axis section 61 of one of the first adjusting screws 6 in each adjusting screw assembly passes through the first side wall 11 of the housing 1 and is connected to the second side wall 12, the conical shaft section 62 is located inside the housing 1, and the threaded shaft section 63 is in threaded connection with the first side wall 11 of the housing 1; the optical axis section 61 of the other first adjusting screw 6 in each set of adjusting screw assemblies passes through the second side wall 12 of the casing 1 and is connected with the first side wall 11, the conical shaft section 62 is located inside the casing 1, and the threaded shaft section 63 is in threaded connection with the second side wall 12 of the casing 1. The small ends of the conical shaft sections 62 of the two first adjusting screws 6 in each adjusting screw component are opposite, and the conical shaft sections 62 move in the same direction to extrude the two opposite sides of the adjusting sleeve 2 by adjusting the screwing-in depth of the threaded shaft sections 63 of the two first adjusting screws 6, so that the adjustment of the x-direction pointing direction of the laser emission module 3 is realized. In order to facilitate adjustment of the screwing depth of the threaded shaft section 63 of the first adjustment screw 6, as shown in fig. 4b, an adjustment groove 631 is provided at an end of the threaded shaft section 63.
As can be seen from fig. 3, 5a and 5b, the adjusting sleeve 2 is provided with a laser emission module mounting hole 24 adapted to the size of the laser emission module 3; the laser emission module 3 is coaxially arranged in the laser emission module mounting hole 24; in order to ensure that laser emission module 3 and adjustment sleeve 2 synchronous motion, can fix laser emission module 3 in laser emission module mounting hole 24 completely, specifically can be through sticky or through the fix with screw, so correspond, need set up many places laser emission module fixed orifices 23 on adjustment sleeve 2, the accessible is to the fixed laser emission module 3 in it of this hole injecting glue or compress tightly the fixed laser emission module 3 in it through holding screw. In addition, for more flexible adjustment of the posture of the adjustment sleeve 2, posture adjustment edges 21 are arranged on the side walls of the two opposite sides of the adjustment sleeve 2, the posture adjustment edges 21 are fixed on the outer wall of the adjustment sleeve 2 and extend along the axial direction of the adjustment sleeve 2, and are used for being matched with the conical shaft sections 62 of the first adjustment screws 6 to perform posture adjustment, as shown in fig. 3, when the screwing depths of the threaded shaft sections 63 of the two first adjustment screws 6 are adjusted, the conical shaft sections 62 move in the same direction to extrude the posture adjustment edges 21 of the adjustment sleeve 2, and x-direction directional adjustment of the laser emission module 3 is achieved. An auxiliary mounting flange 22 can be further arranged at a position, close to the bottom, of the adjusting sleeve 2, and an auxiliary mounting hole 221 is formed in the auxiliary mounting flange 22 and used for positioning the auxiliary mounting flange and the shell 1 after the posture adjustment is finished; correspondingly, the bottom of the housing 1 is provided with an installation hole for the adjustment sleeve 2, and the auxiliary installation flange 22 is matched with the end face of the hole to fix the adjustment sleeve 2, which will be described in detail later with reference to fig. 6a and 6 b. The adjusting sleeve 2 is also provided with a power line through hole 15 of the laser emission module, so that the power line of the laser emission module 3 can pass through conveniently; as can also be seen from fig. 5b, a first threaded hole 25 connected to the ball joint 5 is further provided at the bottom of the adjustment sleeve 2 for freedom restriction during posture adjustment.
As can be seen from fig. 1 to 3, the housing 1 of the laser emission light source is a cube, and in other embodiments, a cube housing, a diamond housing, or other structural forms may also be selected. For the convenience of assembly, the housing 1 of the present embodiment is composed of three parts, as shown in fig. 2, a cover plate 9, a body 10 and a pressing plate 8; the cover plate 9 is covered on the top of the body 10, and the light outlet 4 is arranged on the cover plate 9; 7 adjustment sleeve 2 are arranged in body 10 at equidistant, and clamp plate 8 is fixed in body 10 bottom.
As shown in fig. 6b, the bottom of the body 10 is provided with 7 step holes corresponding to the adjusting sleeves 2 one by one; the big end 13 of the stepped hole is used for placing the adjusting sleeve 2, the aperture of the big end 13 of the stepped hole is larger than the outer diameter of the bottom of the adjusting sleeve 2, and during posture adjustment, the bottom of the adjusting sleeve 2 can rock in the big end 13 of the stepped hole. After the posture is adjusted, the auxiliary mounting flange 22 is lapped on the end face of the large end 13 of the stepped hole, and the adjusting sleeve 2 is fixed through the fixing screw 105 (see fig. 3). The small end 14 of the stepped hole is an arc hole for restraining the spherical hinge 5, and the inner wall of the small end is an arc surface matched with the spherical arc surface 54 of the spherical hinge 5 (see fig. 8). A first adjusting screw rod matching screw hole 101, a first adjusting screw rod matching unthreaded hole 102 and a second adjusting screw rod matching screw hole 103 are further formed in the side wall of the body 10, screw holes or unthreaded holes matched with the same group of adjusting screw rod assemblies are indicated in fig. 6a, and as shown in the figure, two first adjusting screw rod matching unthreaded holes 102 are first adjusting screw rod matching unthreaded holes 102 matched with the two first adjusting screw rod 6 unthreaded shaft sections 61 in the same group of adjusting screw rod assemblies; the two first adjusting screw fitting screw holes 101 shown in the figure are the first adjusting screw fitting screw holes 101 which are fitted with the threaded shaft sections 63 of the two first adjusting screws 6 in the same set of adjusting screw assemblies; the two second adjusting screw fitting screw holes 103 are shown, i.e. the second adjusting screw fitting screw holes 103 are shown to fit two second adjusting screws 7 in the same set of adjusting screw assemblies. The upper end face of the body 10 can be further provided with a fastening threaded hole 106, the first adjusting screw 6 and the second adjusting screw 7 can be tightly jacked by the fastening screw after the posture adjustment is finished, the first adjusting screw 6 and the second adjusting screw 7 are prevented from being loosened with the threads matched with the side wall of the body 10, and the stability after the posture adjustment is further improved. A second threaded hole 107 matched and fixed with the cover plate 9 is also formed in the upper end face of the body 10; the bottom of the base is also provided with a threaded hole which is matched and arranged with the pressure plate 8; and a hole groove 108 for leading out a power line of the laser emission module 3 is also arranged on the side wall.
As shown in fig. 7, the pressing plate 8 is provided with through holes 81 matched with the small ends 14 of the stepped holes at the bottom of the body 10 one by one, and is matched with the small ends 14 of the stepped holes at the bottom of the body 10 to form a mounting hole of the spherical hinge 5, and the molded surface of the wall of the mounting hole of the spherical hinge 5 is matched with the spherical surface of the spherical hinge 5, as shown by reference numerals 811 and 100, and is a spherical hinge matched circular arc surface. In addition, a flange 82 may be provided on the pressure plate 8 to be fitted to the outside, and a flange mounting hole 821 may be provided in the flange 82, so that the entire laser emission light source can be fixed to the corresponding optical system based on the flange 82.
The ball joint 5 of the present embodiment may have a spherical segment structure, or may have a partial spherical structure with two planes as shown in fig. 8, that is, the surface opposite to the bottom surface 51 of the spherical segment is also set to be a plane, and a fixing threaded through hole 52 for connecting with the adjusting sleeve 2 and a counter bore 53 for avoiding interference are provided along the axial direction of the spherical segment. Referring to fig. 2, the ball hinge 5 is installed in the ball hinge installation hole, the bottom surface of the ball hinge is tightly attached to the bottom plane of the adjusting sleeve 2 located in the large end 13 of the stepped hole, the adjusting sleeve 2 is connected with the ball hinge 5 through the screw 104, and the ball hinge 5 can rotate in the ball hinge installation hole under the action of external force.
The directionally adjustable laser-emission light source of this embodiment can be assembled by the following process:
1) The laser emission module 3 is placed into the adjusting sleeve 2 and fixed, and can be fixed by jackscrews or bolts on the laser emission module fixing holes 23 on the adjusting sleeve 2, or the laser module is adhered into the adjusting sleeve 2 by glue injection;
2) Installing the adjusting sleeve 2 in the large end 13 of the step hole of the body 10, placing the spherical hinge 5 in the small end 14 of the step hole of the body 10, and connecting the spherical hinge 5 with the adjusting sleeve 2 through a screw 104;
3) The pressing plate 8 is connected with the body 10 through a screw, and the through hole 81 is ensured to be matched with the small end 14 of the step hole, so that the whole spherical hinge 5 is positioned in a spherical hinge mounting hole formed by the through hole 81 and the small end 14 of the step hole, and the adjusting sleeve 2 is ensured to rotate around the spherical center of the spherical hinge 5;
4) Two second adjusting screws 7 are oppositely arranged from the first side wall 11 and the second side wall 12 of the body 10, so that the two second adjusting screws 7 tightly push the adjusting sleeve 2 and the adjusting sleeve 2 is centered in the y direction; two first adjusting screws 6 are oppositely arranged from the first side wall 11 and the second side wall 12 of the body 10, so that the threaded shaft section 63 and the optical shaft section 61 are both connected with the corresponding side walls of the body 10, and the conical shaft sections 62 are tightly close to the posture adjusting edges 21 of the adjusting sleeve 2;
5) The adjustment sleeve 2 can be fixed to the body 10 by the auxiliary mounting flange 22 and the fixing screws 105, and the cover plate 9 is mounted, thereby completing the assembly.
According to the field requirement, when any laser emission module 3 needs to be adjusted in the y direction, the method can be realized through the following processes:
1) The cover plate 9 is taken down;
2) Properly loosening the fixing screws 105 corresponding to the laser emission module 3, and then properly rotating the two first adjusting screws 6 in the same group of adjusting screw assemblies corresponding to the laser emission module 3 outwards to slightly separate the contact surface of the conical shaft section 62 and the posture adjusting edge 21;
3) The y-direction pointing adjustment of the laser emission module 3 can be realized by adjusting two second adjusting screws 7 in the same set of adjusting screw assemblies corresponding to the laser emission module 3 to simultaneously and reversely rotate, for example, the second adjusting screws 7 in threaded connection with the first side wall 11 are screwed out, and the second adjusting screws 7 in threaded connection with the second side wall 12 are screwed in;
4) If the adjustment amount is not enough, increasing the loosening amounts of the fixing screws 105 and the two first adjusting screws 6, and repeating the step 3) for adjustment;
5) After the adjustment is finished, the two first adjusting screws 6 are adjusted to simultaneously rotate inwards to approach the adjusting sleeve 2, the fixing screws 105 are tightened, and the cover plate 9 is installed.
According to the field requirement, when any laser emission module 3 needs to be adjusted in the x direction, the x direction adjustment can be realized through the following processes:
1) The cover plate 9 is taken down;
2) Loosening the fixing screw 105 corresponding to the laser emission module 3, and then slightly rotating the two second adjusting screws 7 in the same set of adjusting screw assemblies corresponding to the laser emission module 3 outwards to slightly separate the second adjusting screws 7 from the contact surface of the adjusting sleeve 2;
3) The adjustment of the x-direction pointing direction of the laser emission module 3 can be realized by adjusting two first adjusting screws 6 in the same set of adjusting screw components corresponding to the laser emission module 3 to simultaneously rotate in opposite directions, for example, the first adjusting screws 6 in threaded connection with the first side wall 11 are screwed out, and the first adjusting screws 6 in threaded connection with the second side wall 12 are screwed in; in the whole adjusting process, the conical surfaces of the conical shaft sections of the two first adjusting screws 6 are required to be ensured to be tightly attached to the posture adjusting edge 21 of the adjusting sleeve 2;
4) If the adjustment amount is not enough, increasing the loosening amount of the fixing screw 105, and repeating 3);
5) After the adjustment is finished, the two second adjusting screws 7 are adjusted and simultaneously screwed inwards to tightly press the adjusting sleeve 2, the fixing screws 105 are tightened, and the cover plate 9 is installed.

Claims (10)

1. A pointing-adjustable laser emission light source, characterized by: the laser emission device comprises a shell (1), n adjusting sleeves (2) positioned in the shell (1), a laser emission module (3) positioned in each adjusting sleeve (2) and n groups of adjusting screw components matched with the shell (1); wherein n is an integer greater than or equal to 1;
the top of the shell (1) is provided with n light outlets (4);
the adjusting sleeves (2) are barrel-shaped, the n adjusting sleeves (2) are arranged in the shell (1), the bottoms of the adjusting sleeves (2) are connected to the bottom of the shell (1) through spherical hinges (5), and the opening ends of the adjusting sleeves (2) correspond to the light outlets (4) one by one and face the light outlets (4);
the laser emission module (3) is fixedly arranged in the adjusting sleeve (2), the optical axis of the laser emission module (3) is parallel to or coincided with the axial center line of the adjusting sleeve (2), and the light emitting end of the laser emission module (3) faces the opening end of the adjusting sleeve (2);
each group of adjusting screw components is matched with the shell (1) to realize two-degree-of-freedom pointing adjustment of each laser emission module (3); each group of adjusting screw components comprises at least two first adjusting screws (6) and at least two second adjusting screws (7); one ends of the two first adjusting screws (6) respectively penetrate through the side wall of the shell (1), so that the adjusting sleeve (2) is positioned between the two first adjusting screws (6), and the two first adjusting screws (6) are adjusted to extrude the two sides of the adjusting sleeve (2) along the x direction to realize the x direction pointing adjustment of the laser emission module (3);
one ends of the two second adjusting screws (7) penetrate through the side wall of the shell (1) respectively, the end parts of the two second adjusting screws (7) are in contact with the two sides of the adjusting sleeve (2) along the y direction respectively, and the y direction pointing adjustment of the laser emission module (3) is realized by adjusting the length of the two second adjusting screws (7) screwed into the shell (1).
2. A directionally tunable laser-emission light source as claimed in claim 1, wherein: the first adjusting screw (6) is divided into three sections, namely an optical axis section (61), a conical shaft section (62) and a threaded shaft section (63) in sequence;
an optical axis section (61) of one first adjusting screw (6) in each group of adjusting screw components penetrates through the first side wall (11) of the shell (1) and is connected with the second side wall (12), a conical shaft section (62) is positioned in the shell (1), and a threaded shaft section (63) is in threaded connection with the first side wall (11) of the shell (1); the other first adjusting screw (6) in each group of adjusting screw components penetrates through the optical axis section (61) of the second side wall (12) of the shell (1) and is connected with the first side wall (11), the conical axis section (62) is positioned in the shell (1), and the threaded axis section (63) is in threaded connection with the second side wall (12) of the shell (1);
two first adjusting screw (6) cooperation use in every adjusting screw subassembly of group, the wrong income degree of depth of adjustment screw shaft section (63), awl shaft section (62) syntropy removes, extrudees the relative both sides of adjustment sleeve (2), realizes laser emission module (3) x to directional adjustment.
3. A directionally adjustable laser emitting light source as claimed in claim 2, wherein: the adjusting sleeve (2) is provided with two attitude adjusting edges (21), and the attitude adjusting edges (21) are fixed on the outer walls of two opposite sides of the adjusting sleeve (2) and extend along the axial direction of the adjusting sleeve (2); two first adjusting screw (6) in every group adjusting screw subassembly cooperate and use, and the wrong income degree of depth of adjustment screw shaft section (63), attitude adjustment edge (21) of the relative both sides of awl shaft section (62) syntropy removal extrusion adjustment sleeve (2) realize laser emission module (3) x to directional adjustment.
4. A directionally tunable laser-emission light source as claimed in claim 3, wherein:
the spherical hinge (5) is of a spherical segment structure;
the bottom of the shell (1) is provided with n stepped holes which correspond to the adjusting sleeves (2) one by one;
the bottom of the adjusting sleeve (2) is arranged at the large end (13) of the stepped hole, and a gap is reserved between the bottom of the adjusting sleeve and the wall of the large end (13) of the stepped hole;
the spherical hinge (5) is arranged at the small end (14) of the stepped hole, the bottom surface (51) of the spherical segment is tightly attached to the bottom plane of the adjusting sleeve (2), and the adjusting sleeve (2) and the spherical hinge (5) are fixed by using a screw (104); under the action of external force, the spherical hinge (5) can rotate in the small end (14) of the stepped hole.
5. A pointing adjustable laser emission light source as claimed in claim 4, wherein: the shell (1) consists of three parts, namely a cover plate (9), a body (10) and a pressing plate (8); the cover plate (9) is covered on the top of the body (10), and the pressing plate (8) is fixed at the bottom of the body (10); the light outlet (4) is formed in the cover plate (9); the n adjusting sleeves (2) are arranged in the body (10) at equal intervals; the step hole is formed in the bottom of the body (10);
the pressing plate (8) is provided with through holes (81) which are matched with the small ends (14) of the stepped holes at the bottom of the body (10) one by one, and the pressing plate is matched with the small ends (14) of the stepped holes at the bottom of the body (10) to form a spherical hinge mounting hole, the molded surface of the hole wall of the spherical hinge mounting hole is a first spherical hinge matching arc surface (811), and the first spherical hinge matching arc surface (811) is matched with the spherical surface of the spherical hinge (5); the spherical hinge (5) is arranged in the spherical hinge mounting hole.
6. A pointing-adjustable laser emission light source as claimed in claim 5, wherein: the surface of the spherical hinge (5) opposite to the bottom surface (51) of the spherical segment is a plane.
7. A directionally tunable laser-emission light source as claimed in claim 6, wherein: the adjusting sleeve (2) is provided with an auxiliary mounting flange (22) for fixing the adjusting sleeve (2) on the shell (1) after the adjustment is finished; the upper end face of the body (10) is provided with a fastening threaded hole (106), and the first adjusting screw rod (6) and the second adjusting screw rod (7) are tightly pressed by fastening screws after the posture is adjusted.
8. A directionally tunable laser emitting light source as claimed in any one of claims 1 to 7, wherein: the adjusting sleeve (2) is provided with a plurality of laser emission module fixing holes (23);
the laser emission module (3) is fixed in the laser emission module fixing hole (23) through glue injection; or the set screw penetrates through the laser emission module fixing hole (23) to press and fix the laser emission module (3) therein;
the adjusting sleeve (2) is provided with a power line through hole (15) of the laser emission module.
9. A method as claimed in any one of claims 1 to 8, characterized by comprising the steps of performing an x-directional adjustment and/or a y-directional adjustment of any one of the laser emission modules (3);
wherein the x-direction pointing adjustment comprises the following steps:
step a1, opening the top of the shell (1);
a2, rotating two second adjusting screws (7) in the same group of adjusting screw components corresponding to the laser emission module (3) outwards until the second adjusting screws (7) are separated from the contact surface of the adjusting sleeve (2);
a3, adjusting two first adjusting screws (6) in the same group of adjusting screw components corresponding to the laser emission module (3) to simultaneously move in the same direction, so as to realize the adjustment of the x-direction pointing direction of the laser emission module (3);
step a4, judging whether the x-direction pointing of the laser emission module (3) meets the set requirement, if so, executing step a5, otherwise, returning to the step a3;
step a5, adjusting two second adjusting screws (7) and simultaneously moving to tightly push the adjusting sleeve (2), and installing the top of the shell (1);
wherein the y-direction adjustment comprises the following steps:
step b1, opening the top of the shell (1);
b2, rotating two first adjusting screws (6) in the same group of adjusting screw components corresponding to the laser emission module (3) outwards until the contact surfaces of the first adjusting screws (6) and the adjusting sleeve (2) are separated;
b3, adjusting two second adjusting screws (7) in the same group of adjusting screw assemblies corresponding to the laser emission module (3) to rotate reversely at the same time, so as to realize the adjustment of the y-direction of the laser emission module (3);
b4, judging whether the y-direction of the laser emission module (3) meets the set requirement, if so, executing a step b5, otherwise, continuously rotating two first adjusting screws (6) in the same group of adjusting screw assemblies corresponding to the laser emission module (3) outwards, and returning to the step b3;
and b5, adjusting the two first adjusting screws (6) to move to abut against the adjusting sleeve (2) at the same time, and installing the top of the shell (1).
10. An optical instrument having a pointing-adjustable laser emission source as claimed in any one of claims 1 to 8.
CN202211524025.2A 2022-12-01 2022-12-01 Direction-adjustable laser emission light source, adjusting method thereof and optical instrument Active CN115548856B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381438A (en) * 1993-08-26 1995-01-10 Industrial Technology Research Institute Laser diode unit including an adjusting member provided with a through hole
CN109983638A (en) * 2016-11-25 2019-07-05 古河电气工业株式会社 Laser aid and light supply apparatus
CN210224582U (en) * 2019-09-25 2020-03-31 深圳市杰普特光电股份有限公司 Laser system
CN213455482U (en) * 2020-12-01 2021-06-15 中山市凯天电子科技有限公司 Laser emission module and laser detection positioner
WO2022175031A1 (en) * 2021-02-19 2022-08-25 Osram Gmbh Attachment for a laser module having a laser diode, and method for producing the laser module

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5804881B2 (en) * 2011-09-30 2015-11-04 ビアメカニクス株式会社 Semiconductor laser module for direct writing exposure equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381438A (en) * 1993-08-26 1995-01-10 Industrial Technology Research Institute Laser diode unit including an adjusting member provided with a through hole
CN109983638A (en) * 2016-11-25 2019-07-05 古河电气工业株式会社 Laser aid and light supply apparatus
CN210224582U (en) * 2019-09-25 2020-03-31 深圳市杰普特光电股份有限公司 Laser system
CN213455482U (en) * 2020-12-01 2021-06-15 中山市凯天电子科技有限公司 Laser emission module and laser detection positioner
WO2022175031A1 (en) * 2021-02-19 2022-08-25 Osram Gmbh Attachment for a laser module having a laser diode, and method for producing the laser module

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