CN219371671U - Semiconductor laser with light spot adjusting function - Google Patents
Semiconductor laser with light spot adjusting function Download PDFInfo
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- CN219371671U CN219371671U CN202320605424.5U CN202320605424U CN219371671U CN 219371671 U CN219371671 U CN 219371671U CN 202320605424 U CN202320605424 U CN 202320605424U CN 219371671 U CN219371671 U CN 219371671U
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- heat sink
- laser
- sink base
- lens
- semiconductor laser
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Abstract
The present utility model relates to a semiconductor laser having a flare adjusting function. The lens assembly comprises a heat sink base and a cover plate, wherein the front surface of the heat sink base is provided with a first lens assembly; a laser fixing seat is arranged in the heat sink base, a laser is arranged in the laser fixing seat, and an electrode pin penetrating through the back surface of the heat sink base is connected to the laser; a second lens assembly is arranged in front of the laser fixing seat, and an adjusting mechanism penetrating through the back surface of the heat sink base is connected to the second lens assembly. The semiconductor laser has compact structure, is small and exquisite, can adjust the distance between the lens and the laser and the angle of the lens by the adjusting mechanism on the premise of not changing the structure of the product, further adjusts the brightness, shape, area and position of the light spots, realizes the free adjustment of various light spots, has wide application range and is beneficial to batch and modularized production.
Description
Technical Field
The utility model relates to a semiconductor laser with a light spot adjusting function, and belongs to the technical field of semiconductor lasers.
Background
Along with the development of laser technology, the laser is widely applied to the production and life of people. The semiconductor laser has the advantages of small volume, light weight, easy mass production and the like, and is widely applied to the aspects of ranging, machining, medical cosmetology, laser communication and the like at present, and the laser technology has become the core technology of the current photoelectron science.
Most of the existing semiconductor lasers have fixed relative positions of an optical original and a laser light source, have no spot adjusting function, and have single obtained spot size. Therefore, in order to realize the diversification of the light spots, a special structure is usually required to be designed, and the light spots are shaped after the light spots are obtained, so that the ideal light spot shape and light spot effect can be achieved. However, the shaping operation is complex and is not suitable for high-efficiency production of large-batch modularized lasers.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a semiconductor laser with a light spot adjusting function.
The technical scheme of the utility model is as follows:
the semiconductor laser with the light spot adjusting function comprises a heat sink base and a cover plate, wherein a first lens assembly is arranged on the front surface of the heat sink base; a laser fixing seat is arranged in the heat sink base, a laser is arranged in the laser fixing seat, and an electrode pin penetrating through the back surface of the heat sink base is connected to the laser; a second lens assembly is arranged in front of the laser fixing seat, and an adjusting mechanism penetrating through the back surface of the heat sink base is connected to the second lens assembly.
According to the utility model, the heat sink base is a hollow uncovered cuboid heat sink, and the cover plate corresponds to the heat sink base in size.
According to the utility model, the front surface of the heat sink base is provided with a limit groove, and the first lens assembly is inserted along the limit groove.
Further preferably, the front surface of the heat sink base is also provided with a fastening hole; the buckle hole is a through hole penetrating the front face of the heat sink base, and the fixing piece is inserted into the buckle hole to be fixed after the first lens assembly is placed in the limit groove.
According to a preferred embodiment of the present utility model, the first lens assembly includes a first lens holder on which the first lens is mounted. And the first lens bracket is also provided with a buckling hole corresponding to the heat sink base.
According to the utility model, the second lens assembly comprises a second lens support, a second lens is arranged on the second lens support, and screw fixing holes are respectively arranged on three corners of the second lens support.
Further preferably, the screw fixing hole is provided with a flexible thread buckle.
According to the present utility model, preferably, the adjusting mechanism includes three screws which pass through screw fixing holes of the second lens holder, respectively, and move the screws by flexible screw threads on the screw fixing holes.
When the semiconductor laser with the light spot adjusting function is used, the anode and the cathode of the power supply are respectively connected with the two electrode pins to be electrified, light spots of the laser are beaten on the display screen, an operator adjusts the position of the second lens assembly back and forth by rotating the three screws, adjusts the angle of the second lens assembly, and further adjusts the brightness, the shape, the area and the position of the light spots. The two lens assemblies can be replaced at any time according to specific needs.
The utility model has the following advantages:
the semiconductor laser has compact structure, is small and exquisite, can adjust the distance between the lens and the laser and the angle of the lens by the adjusting mechanism on the premise of not changing the structure of the product, further adjusts the brightness, shape, area and position of the light spots, realizes the free adjustment of various light spots, has wide application range and is beneficial to batch and modularized production.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a semiconductor laser with a spot adjusting function
FIG. 2 is a schematic diagram of a first lens assembly;
FIG. 3 is a schematic diagram of a second lens assembly;
fig. 4 is a schematic diagram of the structure of the inside of a semiconductor laser with a flare adjusting function;
FIG. 5 is a schematic structural view of an adjustment mechanism;
in the figure: 1. the device comprises a heat sink base, 2, a cover plate, 3, electrode pins, 4, a first lens assembly, 5, a first lens, 6, a first lens support, 7, a laser fixing seat, 8, a laser, 9, a second lens assembly, 10, an adjusting mechanism, 11, a second lens, 12, a second lens support, 13, a screw fixing hole, 14, a screw, 15, a limiting groove, 16 and a clamping hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in fig. 1 to 5, a semiconductor laser with a light spot adjusting function comprises a heat sink base 1 and a cover plate 2, wherein a first lens assembly 4 is arranged on the front surface of the heat sink base 1; a laser fixing seat 7 is arranged in the heat sink base 1, a laser 8 is arranged in the laser fixing seat 7, and the laser 8 is connected with an electrode pin 3 penetrating through the back surface of the heat sink base 1; a second lens assembly 9 is arranged in front of the laser fixing seat 7, and an adjusting mechanism 10 penetrating through the back surface of the heat sink base 1 is connected to the second lens assembly 9.
The heat sink base 1 is a hollow uncovered cuboid heat sink, and the cover plate 2 corresponds to the heat sink base 1 in size. The front surface of the heat sink base 1 is provided with a limit groove 15, and the first lens assembly 4 is inserted along the limit groove 15.
The first lens assembly 4 comprises a first lens holder 6, the first lens holder 6 having a first lens 5 mounted thereon. The first lens support 6 is also provided with a fastening hole 16 corresponding to the heat sink base 1. The second lens assembly 9 comprises a second lens support 12, a second lens 11 is arranged on the second lens support 12, screw fixing holes 13 are further formed in three corners of the second lens support 12 respectively, and flexible thread buckles are arranged on the screw fixing holes 13.
The adjusting mechanism 10 includes three screws 14, and the three screws 14 pass through screw fixing holes 13 of the second lens holder 12, respectively, and move the screws 14 by flexible screw threads on the screw fixing holes 13.
When the semiconductor laser with the light spot adjusting function is used, the anode and the cathode of the power supply are respectively connected with the two electrode pins to be electrified, light spots of the laser are beaten on the display screen, an operator adjusts the position of the second lens assembly back and forth by rotating the three screws, adjusts the angle of the second lens assembly, and further adjusts the brightness, the shape, the area and the position of the light spots. The two lens assemblies can be replaced at any time according to specific needs.
Example 2:
the specific structure of the semiconductor laser with the light spot adjusting function is as in embodiment 1, and the difference is that the front surface of the heat sink base 1 is also provided with a fastening hole 16; the fastening hole 16 is a through hole penetrating through the front surface of the heat sink base 1, and the fixing piece is inserted into the fastening hole 16 for fixing after the first lens assembly 4 is placed in the limiting groove 15.
Claims (8)
1. The semiconductor laser with the light spot adjusting function is characterized by comprising a heat sink base and a cover plate, wherein a first lens assembly is arranged on the front surface of the heat sink base; a laser fixing seat is arranged in the heat sink base, a laser is arranged in the laser fixing seat, and an electrode pin penetrating through the back surface of the heat sink base is connected to the laser; a second lens assembly is arranged in front of the laser fixing seat, and an adjusting mechanism penetrating through the back surface of the heat sink base is connected to the second lens assembly.
2. The semiconductor laser with light spot adjusting function as claimed in claim 1, wherein the heat sink base is a hollow-inside uncovered rectangular heat sink, and the cover plate corresponds to the heat sink base in size.
3. The semiconductor laser with light spot adjusting function as set forth in claim 1, wherein a limit groove is provided on a front surface of the heat sink base.
4. The semiconductor laser with light spot adjusting function as set forth in claim 1, wherein the front surface of the heat sink base is further provided with a fastening hole, and the fastening hole is a through hole penetrating the front surface of the heat sink base.
5. The semiconductor laser with spot adjustment function according to claim 1, wherein the first lens assembly includes a first lens holder on which the first lens is mounted.
6. The semiconductor laser with spot adjusting function as claimed in claim 1, wherein the second lens assembly includes a second lens holder on which the second lens is mounted, and screw fixing holes are provided at three corners of the second lens holder, respectively.
7. The semiconductor laser with spot adjusting function as claimed in claim 6, wherein the screw fixing hole is provided with a flexible screw thread.
8. The semiconductor laser with spot adjusting function as claimed in claim 1, wherein the adjusting mechanism includes three screws respectively passing through screw fixing holes of the second lens holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605424.5U CN219371671U (en) | 2023-03-24 | 2023-03-24 | Semiconductor laser with light spot adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605424.5U CN219371671U (en) | 2023-03-24 | 2023-03-24 | Semiconductor laser with light spot adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219371671U true CN219371671U (en) | 2023-07-18 |
Family
ID=87150041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320605424.5U Active CN219371671U (en) | 2023-03-24 | 2023-03-24 | Semiconductor laser with light spot adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219371671U (en) |
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2023
- 2023-03-24 CN CN202320605424.5U patent/CN219371671U/en active Active
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