CN115864113A - Laser shutter and laser - Google Patents
Laser shutter and laser Download PDFInfo
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- CN115864113A CN115864113A CN202211737754.6A CN202211737754A CN115864113A CN 115864113 A CN115864113 A CN 115864113A CN 202211737754 A CN202211737754 A CN 202211737754A CN 115864113 A CN115864113 A CN 115864113A
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Abstract
The embodiment of the application discloses a laser shutter and a laser. The laser optical gate comprises a shell, a reflector component, a plurality of optical path switching components and a plurality of coupling components, wherein incident beams form first reflecting beams coaxial with the light inlet after being reflected by the reflector component and enter the accommodating cavity through the light inlet, the optical path switching components are in one-to-one correspondence with the light outlets and are used for reflecting the first reflecting beams to form second reflecting beams coaxial with the corresponding light outlets, and the coupling components are connected with the light outlets in one-to-one correspondence. This application sets up reflector assembly through the side of entering light at the casing, makes the first reflected beam after incident beam reflects through reflector assembly can be coaxial with entering the light mouth, and when the light path to laser optical gate was adjusted, reflector assembly's position can remain fixed, and only utilizes the light path switching module that corresponds the light path can realize the second reflected beam coaxial with the light exit to help realizing the miniaturized design of laser optical gate on many light paths are used.
Description
Technical Field
The application relates to the technical field of laser, in particular to a laser optical shutter and a laser.
Background
With the development of laser technology, the laser technology has been widely applied in the fields of welding, cutting, marking, etc., in order to improve the utilization rate of laser, multiple optical paths are usually arranged in the same laser shutter, and each optical path is correspondingly provided with a fixed reflector, a rotating reflector and a coupling cylinder, so as to connect an optical fiber with the corresponding coupling cylinder according to the use requirement. However, as the number of optical paths of the laser shutter increases, the number of the corresponding fixed mirrors and the number of the corresponding rotary mirrors increase, which results in large space occupation of the laser shutter and is not favorable for miniaturization design of the laser shutter.
Disclosure of Invention
The embodiment of the application provides a laser shutter and a laser, and can solve the problem that the space occupation is large when the light path of the existing laser shutter is increased.
The embodiment of the present application provides a laser shutter, laser shutter includes:
a housing having an accommodating chamber; one side of the shell is provided with a light inlet communicated with the accommodating cavity, and the other side of the shell is provided with a plurality of light outlets communicated with the accommodating cavity;
the reflector component is arranged on the light incidence side of the shell and is used for receiving incident light beams; the reflecting mirror assembly comprises a first reflecting mirror and a second reflecting mirror, the incident light beam is reflected by the first reflecting mirror and the second reflecting mirror in sequence to form a first reflected light beam, and the first reflected light beam is coaxial with the light inlet and enters the accommodating cavity through the light inlet;
the light path switching components are arranged in the accommodating cavity and positioned on an output light path of the first reflected light beam, and the light path switching components are in one-to-one correspondence with the light outlets; the light path switching component is used for reflecting the first reflected light beam and forming a second reflected light beam so that the second reflected light beam is coaxial with the corresponding light outlet;
the coupling assemblies are arranged on the light emergent side of the shell; the coupling assemblies are connected with the light outlets in a one-to-one corresponding mode, and the second reflected light beams enter the corresponding coupling assemblies through the light outlets.
Optionally, in some embodiments of the present application, a plurality of the optical path switching assemblies are arranged in parallel along an axial direction of the light inlet.
Optionally, in some embodiments of the present application, the optical shutter includes an optical diaphragm, the optical diaphragm is disposed in the accommodating cavity, and a first light-transmitting hole for the first reflected light beam to pass through is formed on the optical diaphragm; the first light hole is coaxial with the light inlet.
Optionally, in some embodiments of the present application, the diaphragm is further formed with a second light-transmitting hole for the second reflected light beam to pass through; the second light hole is coaxial with the light outlet.
Optionally, in some embodiments of the present application, the mirror assembly further comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is connected with the first mirror, and the second adjusting assembly is connected with the second mirror; the first adjusting component and the second adjusting component are respectively used for adjusting the inclination angles of the first reflecting mirror and the second reflecting mirror so as to enable the first reflected light beam to be coaxial with the light inlet.
Optionally, in some embodiments of the present application, the optical path switching component includes a third mirror and a third adjusting component, the third mirror is configured to reflect the first reflected light beam and form the second reflected light beam; the third adjusting component is connected with the third reflector, and the third adjusting component is used for adjusting the inclination angle of the third reflector so that the second reflected light beam is coaxial with the corresponding light outlet.
Optionally, in some embodiments of the present application, the optical path switching assembly further includes a rotation driving structure, where the rotation driving structure is connected to the third reflecting mirror to drive the third reflecting mirror to switch between the optical path on position and the optical path off position; when the third reflector is at the light path conducting position, the third reflector is used for reflecting the first reflected light beam and forming a second reflected light beam.
Optionally, in some embodiments of the present application, the coupling assembly includes a coupling barrel and an optical fiber adapter sequentially connected in a direction away from the light outlet, where the optical fiber adapter is used for connecting an optical fiber; the optical fiber adapter, the coupling cylinder and the light outlet are coaxially arranged, so that the second reflected light beam is coupled to the end face of the optical fiber through the coupling cylinder.
Optionally, in some embodiments of the present application, an axis of the light inlet is perpendicular to an axis of the light outlet.
Correspondingly, this application embodiment still provides a laser instrument, the laser instrument includes:
a laser shutter according to any preceding claim; and the number of the first and second groups,
and the laser generator is connected with the laser optical gate and is used for emitting incident light beams.
The laser optical gate in the embodiment of the application comprises a shell, a reflector component, a plurality of optical path switching components and a plurality of coupling components, the shell is provided with a containing cavity, an optical inlet and a plurality of optical outlets, the reflector component is arranged on the optical inlet side of the shell and comprises a first reflector and a second reflector, an incident light beam is reflected by the first reflector and the second reflector in sequence to form a first reflected light beam, the first reflected light beam is coaxial with the optical inlet and enters the containing cavity through the optical inlet, the optical path switching components are arranged in the containing cavity and are located on an output optical path of the first reflected light beam, the optical path switching components are in one-to-one correspondence with the optical outlets, the optical path switching components are used for reflecting the first reflected light beam and forming a second reflected light beam, so that the second reflected light beam is coaxial with the corresponding optical outlets, the coupling components are arranged on the optical outlet side of the shell and are connected with the optical outlets in one-to one correspondence, and the second reflected light beam enters the corresponding coupling components through the optical outlets. This application sets up reflector assembly through the side of entering light at the casing, makes the first reflected beam after incident beam reflects through reflector assembly can be coaxial with entering the light mouth, and when the light path to laser optical gate was adjusted, reflector assembly's position can remain fixed, and only utilizes the light path switching module that corresponds the light path can realize the second reflected beam coaxial with the light exit to help realizing the miniaturized design of laser optical gate on many light paths are used.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a laser shutter according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a mirror assembly provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an optical path switching assembly according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a diaphragm provided in an embodiment of the present application.
Description of reference numerals:
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiments of the present application provide a laser shutter and a laser, which are described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
First, as shown in fig. 1, a laser shutter 100 includes a housing 110, where the housing 110 has a containing cavity 111, one side of the housing 110 is provided with a light inlet 112 communicating with the containing cavity 111, and the other side of the housing 110 is provided with a plurality of light outlets 113 communicating with the containing cavity 111. When the laser shutter 100 is used, an incident light beam enters the accommodating cavity 111 from the light inlet 112 of the housing 110 and is emitted from the light outlet 113 of the housing 110, and the light outlet 113 of the incident light beam can be selected by setting the optical element structure in the accommodating cavity 111, so as to meet different use requirements of the laser shutter 100.
As shown in fig. 2, the laser shutter 100 includes a mirror assembly 120, the mirror assembly 120 is disposed on the light incident side of the housing 110, the mirror assembly 120 is configured to receive an incident light beam, the mirror assembly 120 includes a first mirror 121 and a second mirror 122, the incident light beam is reflected by the first mirror 121 and the second mirror 122 in sequence to form a first reflected light beam, and the first reflected light beam is coaxial with the light incident port 112 and enters the accommodating cavity 111 through the light incident port 112.
The first reflector 121 and the second reflector 122 can adjust the transmission direction of the incident light beam and adjust the coaxiality of the first reflected light beam and the light inlet 112 on the housing 110 through the matching of the inclination angles, so that the first reflected light beam enters the accommodating cavity 111 along the axis of the light inlet 112. The coaxial arrangement in the embodiment of the present application means that the axis of the first reflected light beam coincides with the axis of the light inlet 112, and this arrangement enables the first reflected light beam to enter the accommodating cavity 111 from the center of the light inlet 112, which not only can effectively avoid the interference between the first reflected light beam and the light inlet 112, but also is helpful for the arrangement and adjustment of other optical elements in the accommodating cavity 111.
It should be noted that, in the process of adjusting the optical path of the laser shutter 100, after the first reflected light beam is coaxial with the light inlet 112 through the cooperation of the first reflecting mirror 121 and the second reflecting mirror 122, the positions of the first reflecting mirror 121 and the second reflecting mirror 122 can be kept fixed, that is, when the second reflected light beam is coaxial with the light outlet 113, only the corresponding optical path switching component 130 needs to be adjusted, instead of adjusting the reflecting mirror component 120 every time, so that the optical path adjustment mode of the laser shutter 100 can be simplified. Meanwhile, when the output optical path of laser shutter 100 is increased, only the corresponding addition of optical path switching assembly 130 is required, and the structure of mirror assembly 120 may still remain unchanged, thereby facilitating the compact design of laser shutter 100 in multi-optical path applications.
The laser shutter 100 includes a plurality of coupling elements 150, the coupling elements 150 are disposed on the light-emitting side of the housing 110, the coupling elements 150 are connected to the light-emitting ports 113 in a one-to-one correspondence, and the second reflected light beam enters the corresponding coupling elements 150 through the light-emitting ports 113. The coupling assembly 150 is configured to focus the second reflected beam onto the end face of the output fiber and couple it into the output fiber, which is then transmitted to the corresponding processing surface via the output fiber.
The connection between the coupling element 150 and the light exit 113 is provided with a central positioning structure, that is, when the coupling element 150 is connected to the corresponding light exit 113, the coaxiality between the coupling element 150 and the light exit 113 can be ensured, so as to ensure the coaxiality between the second reflected light beam entering the coupling element 150 and the coupling element 150, and improve the coupling effect of the coupling element 150 on the second reflected light beam.
In the embodiment of the present application, the laser shutter 100 includes a housing 110, a mirror assembly 120, a plurality of optical path switching assemblies 130, and a plurality of coupling assemblies 150, where the housing 110 has an accommodating cavity 111, an optical inlet 112, and a plurality of optical outlets 113, the mirror assembly 120 includes a first mirror 121 and a second mirror 122, an incident light beam is reflected by the first mirror 121 and the second mirror 122 in sequence to form a first reflected light beam, the first reflected light beam is coaxial with the optical inlet 112 and enters the accommodating cavity 111 through the optical inlet 112, the optical path switching assemblies 130 are located on an output optical path of the first reflected light beam, the optical path switching assemblies 130 are in one-to-one correspondence with the plurality of optical outlets 113, the optical path switching assemblies 130 are configured to reflect the first reflected light beam to form a second reflected light beam, so that the second reflected light beam is coaxial with the corresponding optical outlets 113, the coupling assemblies 150 are connected with the optical outlets 113 in one-to-one correspondence, and the second reflected light beam enters the corresponding coupling assemblies 150 through the optical outlets 113. In the present invention, the mirror assembly 120 is disposed on the light incident side of the housing 110, so that the first reflected beam reflected by the incident light beam via the mirror assembly 120 can be coaxial with the light incident port 112, when the optical path of the laser shutter 100 is adjusted, the position of the mirror assembly 120 can be kept fixed, and the second reflected beam can be coaxial with the light exit port 113 only by using the optical path switching assembly 130 corresponding to the optical path, thereby facilitating the miniaturization design of the laser shutter 100 in the multi-optical path application.
Optionally, as shown in fig. 2, the mirror assembly 120 further includes a first adjusting assembly 123 and a second adjusting assembly 124, the first adjusting assembly 123 is connected to the first mirror 121, the second adjusting assembly 124 is connected to the second mirror 122, and the first adjusting assembly 123 and the second adjusting assembly 124 are respectively used for adjusting the inclination angles of the first mirror 121 and the second mirror 122, so that the first reflected light beam is coaxial with the light inlet 112.
In some embodiments, the first adjusting assembly 123 includes a first support plate 1231 and three first adjusting members 1232, the first reflector 121 is mounted on the first support plate 1231, the first adjusting members 1232 are connected to a side of the first support plate 1231 facing away from the first reflector 121, and a distance between a side of the first adjusting members 1232 facing away from the first support plate 1231 and the first support plate 1231 can be adjusted. The three first adjusting members 1232 are arranged along the circumference of the first reflector 121 at intervals, and the inclination angle of the first reflector 121 can be adjusted by adjusting the distance between the side of the corresponding first adjusting member 1232 departing from the first supporting plate 1231 and the first supporting plate 1231.
As shown in FIG. 2, the three first adjusting members 1232 are distributed in a right triangle, in which A 1 、B 1 And C 1 Showing the positions, A, of three first adjusting members 1232, respectively 1 Located at the right angle point. During adjustment, the distances between the sides of the three first adjusting members 1232 facing away from the first support plate 1231 and the first support plate 1231 are adjusted to be substantially the same, and then a is maintained 1 The first adjustment of position 1232 is stationary; when adjusting B 1 In the first adjusting part 1232 of the position, the first reflecting mirror 121 is wound around the straight line A 1 C 1 Rotating, the incident beam is perpendicular to the line A after being reflected by the first reflector 121 1 C 1 Is deflected in-plane; when regulating C 1 In the first adjusting part 1232 of the position, the first reflecting mirror 121 is wound around the straight line A 1 B 1 Rotating, the incident beam is perpendicular to the line A after being reflected by the first reflector 121 1 B 1 Is deflected in the plane of (a). By B 1 And C 1 The first adjusting element 1232 is positioned to cooperate with each other, so that the incident light beam is reflected toward the target direction after passing through the first reflector 121.
In other embodiments, the second adjusting assembly 124 includes a second supporting plate 1241 and three second adjusting members 1242, the second mirror 122 is mounted on the second supporting plate 1241, the second adjusting members 1242 are connected to a side of the second supporting plate 1241 facing away from the second mirror 122, and a distance between a side of the second adjusting members 1242 facing away from the second supporting plate 1241 and the second supporting plate 1241 can be adjusted. The three second adjusting members 1242 are spaced along the circumference of the second reflector 122, and the inclination angle of the second reflector 122 can be adjusted by adjusting the distance between the side of the corresponding second adjusting member 1242 departing from the second support plate 1241 and the second support plate 1241.
As shown in FIG. 2, three second adjusting members 1242 are distributed in a right triangle, in which A is 2 、B 2 And C 2 Respectively, the positions of three second adjusting members 1242, A 2 Is located at the right angle point. During adjustment, the distances between the side of the three second adjusting members 1242 away from the second support plate 1241 and the second support plate 1241 are adjusted to be substantially the same, and then a is maintained 2 The second adjustment 1242 of position is stationary; when regulating B 2 In the second adjusting part 1242 of position, the second reflector 122 is around the straight line A 2 C 2 Rotating, the incident beam is perpendicular to the line A after being reflected by the second reflector 122 2 C 2 Is deflected in-plane; when regulating C 2 In the second adjusting part 1242, the second reflector 122 is around the line A 2 B 2 Rotating, the incident beam is perpendicular to the line A after being reflected by the second reflector 122 2 B 2 Is deflected in the plane of (a). By B 2 And C 2 The second adjusting member 1242 is positioned to cooperate with each other, so that the incident beam is reflected toward the target direction after passing through the second reflector 122. The coaxial adjustment of the first reflected light beam and the light inlet 112 can be realized by the matching adjustment of the first reflector 121 and the second reflector 122.
Optionally, as shown in fig. 3, the optical path switching assembly 130 includes a third reflecting mirror 131 and a third adjusting assembly 132, the third reflecting mirror 131 is configured to reflect the first reflected light beam and form a second reflected light beam, the third adjusting assembly 132 is connected to the third reflecting mirror 131, and the third adjusting assembly 132 is configured to adjust an inclination angle of the third reflecting mirror 131 so that the second reflected light beam is coaxial with the corresponding light outlet 113.
The third adjusting assembly 132 includes a third supporting plate 1321 and three third adjusting members 1322, the third reflector 131 is mounted on the third supporting plate 1321, the third adjusting members 1322 are connected to a side of the third supporting plate 1321 away from the third reflector 131, and a distance between a side of the third adjusting members 1322 away from the third supporting plate 1321 and the third supporting plate 1321 can be adjusted. The three third adjusting members 1322 are spaced along the circumference of the third reflector 131, and the inclination angle of the third reflector 131 can be adjusted by adjusting the distance between the third supporting plate 1321 and the side of the corresponding third adjusting member 1322 departing from the third supporting plate 1321.
In some embodiments, as shown in FIG. 3, three third adjustment members 1322 are arranged in a right triangle, wherein A is 3 、B 3 And C 3 Showing the positions of three third adjustment members 1322, A, respectively 3 Located at the right angle point. During adjustment, the distances between the three third adjusting members 1322 and the third supporting plate 1321 are adjusted to be substantially the same, and then a is maintained 3 Third adjustment piece 1322 of position is stationary; when regulating B 3 Third mirror 131 is positioned about line A with third adjustment 1322 3 C 3 Rotates, the first reflected light beam is perpendicular to the line A after being reflected by the third reflector 131 3 C 3 Is deflected in-plane; when regulating C 3 Third adjustment piece 1322 of position, third mirror 131 is around line A 3 B 3 Rotates, the first reflected beam is perpendicular to the line A after being reflected by the third reflector 131 3 B 3 Is deflected in the plane of (a). By B 3 And C 3 The cooperation of the third adjusting member 1322 for positioning can make the first reflected beam reflected toward the target direction after passing through the third reflector 131, thereby realizing the second reflected beamThe reflected light beam is coaxially adjusted with the light exit 113.
Optionally, the optical path switching assembly 130 further includes a rotation driving structure 133, and the rotation driving structure 133 is connected to the third reflecting mirror 131 to drive the third reflecting mirror 131 to switch between the optical path on position and the optical path off position. Since the plurality of optical path switching elements 130 are all located on the output optical path of the first reflected light beam, when the first reflected light beam is transmitted to the third reflecting mirror 131 in the optical path switching element 130, the first reflected light beam is reflected by the third reflecting mirror 131 as a second reflected light beam and is output from the corresponding light outlet 113.
When the third reflecting mirror 131 is located at the on position of the light path, that is, the third reflecting mirror 131 is located in the transmission direction of the first reflected light beam, the third reflecting mirror 131 is configured to reflect the first reflected light beam and form a second reflected light beam; when the third reflecting mirror 131 is in the optical path off position, that is, the third reflecting mirror 131 is not located in the transmission direction of the first reflected light beam, the first reflected light beam directly passes through the optical path switching element 130 until the third reflecting mirror 131 of one of the optical path switching elements 130 is located in the optical path on position, and the first reflected light beam is reflected by the third reflecting mirror 131 and is output from the corresponding light outlet 113.
During the use of laser shutter 100, third mirror 131 corresponding to the target optical path is rotated to the optical path on position by rotating driving structure 133, and other third mirrors 131 are rotated to the optical path off position, so that the second reflected light beam is output from target light outlet 113 and enters target coupling assembly 150, thereby implementing the selection of the transmission optical path of laser shutter 100 to meet different use requirements of laser shutter 100.
In some embodiments, the third mirrors 131 of the plurality of optical path switching elements 130 are arranged side by side along the axial direction of the light inlet 112, that is, when the first reflected light beam is transmitted to the third mirrors 131, the corresponding reflection areas on the third mirrors 131 are located at the same position, and this arrangement is such that when the coaxiality of the second reflected light beam and the light outlet 113 is adjusted, the adjustment manner of each third mirror 131 is substantially the same, thereby facilitating the simplification of the optical path adjustment manner of the laser shutter 100. Furthermore, in the case where each of the third mirrors 131 has the same reflection area for the first reflected light beam, this arrangement can minimize the overall size of the plurality of third mirrors 131, thereby contributing to the compact design of the laser shutter 100.
Optionally, as shown in fig. 1 and 4, the laser shutter 100 further includes an aperture 140, the aperture 140 is disposed in the accommodating cavity 111, and a first light-transmitting hole 141 is formed in the aperture 140 for the first reflected light beam to pass through, that is, after the first reflected light beam enters the accommodating cavity 111 from the light-entering port 112, the first reflected light beam firstly passes through the first light-transmitting hole 141 in the aperture 140 and then is transmitted to the third mirror 131 of the optical path switching assembly 130. If the transmission direction of the first reflected light beam is deviated, the first reflected light beam may partially hit the edge of the first light-transmitting hole 141, that is, the diaphragm 140 is disposed to assist the coaxial adjustment of the first reflected light beam and the light inlet 112.
The first light-transmitting hole 141 is coaxial with the light-entering port 112, that is, the first reflected light beam is coaxial with the first light-transmitting hole 141. The arrangement mode enables the first reflected light beam to pass through the middle area of the first light-transmitting hole 141, which not only can avoid the first reflected light beam from interfering with the diaphragm 140, but also can indirectly explain the coaxiality of the first reflected light beam and the light-incident opening 112 through the relative position between the first reflected light beam and the first light-transmitting hole 141, and is helpful for improving the accuracy of the coaxiality adjusting process of the first reflected light beam and the light-incident opening 112.
In some embodiments, the axis of the first light-transmitting hole 141 can also be parallel to but not coincident with the axis of the light-inlet 112, i.e., the first light-transmitting hole 141 is not coaxial with the light-inlet 112. At this time, in order to ensure that the first reflected light beam can be smoothly transmitted from the first light-transmitting hole 141 to the third reflector 131 after entering from the light inlet 112, the size of the first light-transmitting hole 141 needs to be designed to be larger than that of the light inlet 112, so that the orthographic projection of the light inlet 112 on the diaphragm 140 is located in the first light-transmitting hole 141, and the first reflected light beam is prevented from directly striking the diaphragm 140. Although the arrangement of the diaphragm 140 cannot directly reflect the coaxiality of the first reflected light beam and the light entrance 112, it can also be used to assist in explaining the offset of the first reflected light beam during the adjustment process, and serve as an auxiliary reference for the coaxial adjustment of the first reflected light beam and the light entrance 112.
Optionally, the diaphragm 140 is further formed with a second light-transmitting hole 142 for the second reflected light beam to pass through, that is, the second reflected light beam passes through the second light-transmitting hole 142 of the diaphragm 140 before being output from the light-output port 113, and at this time, the diaphragm 140 is in an L-shaped structure as a whole. If the transmission direction of the second reflected light beam is deviated, the second reflected light beam may partially hit the edge of the second light-transmitting hole 142, that is, the diaphragm 140 is disposed to assist the coaxial adjustment of the second reflected light beam and the light outlet 113.
The second light-transmitting hole 142 is coaxial with the light outlet 113, i.e., the second reflected light beam is coaxial with the second light-transmitting hole 142. The arrangement mode enables the second reflected light beam to pass through the middle area of the second light transmitting hole 142, which not only can avoid the second reflected light beam from interfering with the diaphragm 140, but also can indirectly explain the coaxiality of the second reflected light beam and the light outlet 113 through the relative position between the second reflected light beam and the second light transmitting hole 142, and is helpful for improving the accuracy of the coaxiality adjusting process of the second reflected light beam and the light outlet 113.
In some embodiments, the axis of the second light-transmitting hole 142 can also be parallel to but not coincident with the axis of the light-exit 113, i.e., the second light-transmitting hole 142 is not coaxial with the light-exit 113. At this time, in order to ensure that the second reflected light beam can be smoothly transmitted from the second light-transmitting hole 142 to the light-exiting port 113 and then enter the coupling assembly 150, the size of the second light-transmitting hole 142 needs to be designed to be larger than the size of the light-exiting port 113, so that the orthographic projection of the light-exiting port 113 on the diaphragm 140 is located in the second light-transmitting hole 142, and the second reflected light beam is prevented from directly striking the diaphragm 140. Although the arrangement of the diaphragm 140 cannot directly reflect the coaxiality of the second reflected light beam and the light outlet 113, the displacement of the second reflected light beam during the adjustment process can be also described as an auxiliary reference for the coaxiality adjustment of the second reflected light beam and the light outlet 113.
It should be noted that the laser shutter 100 in the embodiment of the present application can include only one diaphragm 140, and the diaphragm 140 is located between the light entrance 112 and the first third reflecting mirror 131, that is, whichever third reflecting mirror 131 is rotated to the corresponding light path conducting position, the first reflected light beam needs to pass through the first light-transmitting hole 141 of the diaphragm 140 and then be transmitted to the third reflecting mirror 131 after entering the light entrance 112, that is, only one diaphragm 140 needs to be provided to achieve the auxiliary effect of adjusting the coaxiality of the first reflected light beam and the light entrance 112. However, since the diaphragm 140 is only located between the light inlet 112 and the first third reflector 131, only the second reflected light beam reflected by the first third reflector 131 can pass through the first light-transmitting hole 141 of the diaphragm 140, that is, the diaphragm 140 can only assist in adjusting the coaxiality between the second reflected light beam reflected by the first third reflector 131 and the corresponding light outlet 113.
In some embodiments, the plurality of second light holes 142 are disposed on the diaphragm 140, and the second light holes 142 are disposed in one-to-one correspondence with the third reflective mirrors 131, so that no matter which third reflective mirror 131 is rotated to the corresponding light path conducting position, the second reflected light beam formed by reflection of the third reflective mirror 131 can pass through the corresponding second light hole 142 and then be transmitted to the corresponding light outlet 113, that is, only one diaphragm 140 needs to be disposed, so as to achieve an auxiliary effect of adjusting the coaxiality of the first reflected light beam and the light inlet 112, and simultaneously achieve an auxiliary effect of adjusting the coaxiality of the second reflected light beam formed after reflection of each third reflective mirror 131 and the corresponding light outlet 113.
In other embodiments, the laser shutter 100 includes a plurality of diaphragms 140, and the number of diaphragms 140 is equal to the number of third reflectors 131, that is, each third reflector 131 is provided with one diaphragm 140, the first light-transmitting hole 141 of each diaphragm 140 is coaxial with the light-inlet 112, and the second light-transmitting hole 142 of each diaphragm 140 is coaxial with the corresponding light-outlet 113. That is, when one of the third mirrors 131 rotates to the optical path conducting position, the first reflected light beam needs to pass through the first light holes 141 of all the diaphragms 140 between the third mirror 131 and the light inlet 112, then pass through the second light holes 142 of the corresponding diaphragms 140 after being reflected by the third mirror 131, and be output from the corresponding light outlets 113. This arrangement enables each aperture 140 to be adaptively adjusted according to the arrangement of the corresponding third mirror 131 to improve flexibility of the overall optical path design of laser shutter 100.
Optionally, the coupling assembly 150 includes a coupling barrel 151 and a fiber adapter 152 sequentially connected in a direction away from the light outlet 113, the fiber adapter 152 is used for connecting an output optical fiber, and the coupling barrel 151 is used for focusing the second reflected light beam to an end face of the output optical fiber and coupling the second reflected light beam into the output optical fiber, and then transmitting the second reflected light beam to the processing surface through the output optical fiber.
The optical fiber adapter 152, the coupling cylinder 151 and the light outlet 113 are coaxially disposed, so that the second reflected light beam is coupled to the end surface of the output optical fiber through the coupling cylinder 151. The joint of the coupling cylinder 151 and the light outlet 113 is provided with a centering structure, that is, when the coupling cylinder 151 is connected to the corresponding light outlet 113, the coaxiality between the coupling cylinder 151 and the light outlet 113 can be ensured, so that the coaxiality between the second reflected light beam entering the coupling cylinder 151 and the coupling cylinder 151 can be ensured. By arranging the optical fiber adapter 152 coaxially with the coupling cylinder 151, the second reflected optical beam can be focused on the end surface of the output optical fiber through the coupling cylinder 151, so as to improve the coupling effect of the second reflected optical beam into the output optical fiber.
Optionally, in the embodiment of the present disclosure, an axis of the light inlet 112 is perpendicular to an axis of the light outlet 113, for example, an axial direction of the light inlet 112 is a horizontal direction, and an axial direction of the light outlet 113 is a vertical direction, such a configuration facilitates a distribution design of the mirror assembly 120 and the plurality of optical path switching assemblies 130 in the laser shutter 100, so that when the number of optical paths of the laser shutter 100 is increased, the number of the optical path switching assemblies 130, the corresponding light outlets 113 and the corresponding coupling assemblies 150 can be directly increased along the axial direction of the light inlet 112, that is, the horizontal direction, and the structure of the mirror assembly 120 can be kept unchanged, thereby facilitating a miniaturized design of the laser shutter 100 in a multi-optical path application.
Secondly, an embodiment of the present application further provides a laser, where the laser includes a laser shutter, and a specific structure of the laser shutter refers to the foregoing embodiments, and since the laser employs all technical solutions of all the foregoing embodiments, the laser at least has all beneficial effects brought by the technical solutions of the foregoing embodiments, and details are not repeated herein.
The laser comprises a laser shutter 100 and a laser generator, wherein a laser output port of the laser generator is connected with the laser shutter 100, the laser generator is used for emitting incident light beams, the incident light beams enter a shell 110 of the laser shutter 100 from a light inlet 112 through a reflector component 120 of the laser shutter 100, the incident light beams are reflected by a light path switching component 130 in the shell 110 and then are output to a coupling component 150 of the laser shutter 100 from a light outlet 113, and the selection of the output light paths of the laser can be realized through the adjustment of the light path switching component 130 in the shell 110, so that the application of the laser on multiple light paths is realized, and different use requirements of the laser are met.
Specifically, the laser shutter 100 includes a housing 110, a mirror assembly 120, a plurality of optical path switching assemblies 130, and a plurality of coupling assemblies 150, where the housing 110 has an accommodating cavity 111, a light inlet 112, and a plurality of light outlets 113, the mirror assembly 120 includes a first mirror 121 and a second mirror 122, an incident light beam is reflected by the first mirror 121 and the second mirror 122 in sequence to form a first reflected light beam, the first reflected light beam is coaxial with the light inlet 112 and enters the accommodating cavity 111 through the light inlet 112, the optical path switching assemblies 130 are located on output optical paths of the first reflected light beam, the plurality of optical path switching assemblies 130 are in one-to-one correspondence with the plurality of light outlets 113, the optical path switching assemblies 130 are configured to reflect the first reflected light beam to form a second reflected light beam, so that the second reflected light beam is coaxial with the corresponding light outlets 113, the coupling assemblies 150 are connected with the light outlets 113 in one-to-one correspondence, and the second reflected light beam enters the corresponding coupling assemblies 150 through the light outlets 113. In the present invention, the mirror assembly 120 is disposed on the light incident side of the housing 110, so that the first reflected beam reflected by the incident light beam via the mirror assembly 120 can be coaxial with the light incident port 112, when the optical path of the laser shutter 100 is adjusted, the position of the mirror assembly 120 can be kept fixed, and the second reflected beam can be coaxial with the light exit port 113 only by using the optical path switching assembly 130 corresponding to the optical path, thereby facilitating the miniaturization design of the laser shutter 100 in the multi-optical path application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing detailed description is directed to a laser shutter and a laser provided in the embodiments of the present application, and specific examples are used herein to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A laser shutter, comprising:
a housing having an accommodating chamber; a light inlet communicated with the accommodating cavity is formed in one side of the shell, and a plurality of light outlets communicated with the accommodating cavity are formed in the other side of the shell;
the reflector component is arranged on the light incidence side of the shell and is used for receiving incident light beams; the reflecting mirror assembly comprises a first reflecting mirror and a second reflecting mirror, the incident light beam is reflected by the first reflecting mirror and the second reflecting mirror in sequence to form a first reflected light beam, and the first reflected light beam is coaxial with the light inlet and enters the accommodating cavity through the light inlet;
the light path switching components are arranged in the accommodating cavity and positioned on an output light path of the first reflected light beam, and the light path switching components are in one-to-one correspondence with the light outlets; the light path switching component is used for reflecting the first reflected light beam and forming a second reflected light beam so that the second reflected light beam is coaxial with the corresponding light outlet;
the coupling assemblies are arranged on the light emergent side of the shell; the coupling assemblies are connected with the light outlets in a one-to-one corresponding mode, and the second reflected light beams enter the corresponding coupling assemblies through the light outlets.
2. The laser shutter of claim 1, wherein the mirror assembly further comprises a first adjustment assembly and a second adjustment assembly, the first adjustment assembly coupled to the first mirror and the second adjustment assembly coupled to the second mirror; the first adjusting component and the second adjusting component are respectively used for adjusting the inclination angles of the first reflecting mirror and the second reflecting mirror so as to enable the first reflected light beam to be coaxial with the light inlet.
3. A laser shutter according to claim 1 wherein the optical path switching assembly comprises a third mirror for reflecting the first reflected beam and forming the second reflected beam and a third adjustment assembly; the third adjusting component is connected with the third reflector, and the third adjusting component is used for adjusting the inclination angle of the third reflector so as to enable the second reflected light beam to be coaxial with the corresponding light outlet.
4. A laser shutter according to claim 3 wherein the optical path switching assembly further comprises a rotary drive arrangement connected to the third mirror for driving the third mirror between the optical path ON position and the optical path OFF position; when the third reflector is at the light path conducting position, the third reflector is used for reflecting the first reflected light beam and forming a second reflected light beam.
5. A laser shutter according to claim 3, wherein the third mirrors of the plurality of optical path switching assemblies are juxtaposed in the axial direction of the light inlet.
6. A laser shutter according to any one of claims 1 to 5 wherein the laser shutter comprises an aperture disposed in the cavity, the aperture having a first light-transmitting aperture formed therein for the first reflected beam to pass through; the first light hole is coaxial with the light inlet.
7. The laser shutter of claim 6, wherein the aperture further defines a second light-transmissive hole for the second reflected beam to pass through; the second light hole is coaxial with the light outlet.
8. A laser shutter according to claim 1 wherein the coupling assembly comprises a coupling barrel and a fibre optic adapter connected in series in a direction away from the light outlet, the fibre optic adapter being adapted to connect to an output optical fibre; the optical fiber adapter, the coupling cylinder and the light outlet are coaxially arranged, so that the second reflected light beam is coupled to the end face of the output optical fiber through the coupling cylinder.
9. A laser shutter according to claim 1 wherein the axis of the light entry port is perpendicular to the axis of the light exit port.
10. A laser, characterized in that the laser comprises:
a laser shutter according to any one of claims 1 to 9; and the number of the first and second groups,
and the laser light generator is connected with the laser optical gate and is used for emitting incident light beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211737754.6A CN115864113A (en) | 2022-12-30 | 2022-12-30 | Laser shutter and laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211737754.6A CN115864113A (en) | 2022-12-30 | 2022-12-30 | Laser shutter and laser |
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| Publication Number | Publication Date |
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| CN115864113A true CN115864113A (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211737754.6A Pending CN115864113A (en) | 2022-12-30 | 2022-12-30 | Laser shutter and laser |
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| Country | Link |
|---|---|
| CN (1) | CN115864113A (en) |
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2022
- 2022-12-30 CN CN202211737754.6A patent/CN115864113A/en active Pending
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