CN215579533U - Linear semiconductor laser module - Google Patents
Linear semiconductor laser module Download PDFInfo
- Publication number
- CN215579533U CN215579533U CN202121521890.2U CN202121521890U CN215579533U CN 215579533 U CN215579533 U CN 215579533U CN 202121521890 U CN202121521890 U CN 202121521890U CN 215579533 U CN215579533 U CN 215579533U
- Authority
- CN
- China
- Prior art keywords
- seat
- tube body
- prism
- body seat
- semiconductor laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Semiconductor Lasers (AREA)
Abstract
The utility model provides a linear semiconductor laser module which is simple in structure and good in effect. The prism device comprises a tube body seat, wherein a prism seat is arranged on one side of the tube body seat, and a shell is arranged on the other side of the tube body seat; the Bawell prism is arranged in the prism seat, the lens component is arranged in the tube body seat, the laser diode is arranged on one side of the tube body seat close to the shell, a pin of the laser diode is connected with a driving circuit board in the shell, and the driving circuit board is connected with an external power supply through a cable.
Description
Technical Field
The utility model belongs to the field of laser detection, and particularly relates to a linear semiconductor laser module.
Background
Laser diodes are increasingly used for their advantages, such as high photoelectric conversion efficiency, wide wavelength coverage (e.g., 405/488/638/660 nm), long service life, small size, and light weight, especially in the field of biological detection, including in vitro diagnostic devices such as flow cytometers and blood analyzers, and these lasers can be used to excite a stained sample to be tested. For example, the semiconductor laser module with the linear light spot with the wavelength of 650-660nm can be used in a flow cytometry sorter for irradiating deflected liquid drops and monitoring the sorting effect of the liquid drops in real time. The linear light spot system manufactured in the market is mostly designed based on industrial application, the problems of complex structure and high manufacturing cost exist mostly, and the linear light spot formed by the output of the linear light spot system is mostly uneven in light spot, small in light spot brightness and the like, so that the use of the linear light spot system in medical instruments is influenced.
Disclosure of Invention
In order to solve the problems of complex structure and high manufacturing cost of the existing linear light spot system, the utility model provides a linear semiconductor laser module which is simple in structure and good in effect.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a line semiconductor laser module, its includes the tube body seat, its characterized in that: one side of the tube body seat is provided with a prism seat, and the other side of the tube body seat is provided with a shell; the laser tube comprises a tube body seat, a prism seat, a shell and a driving circuit board, wherein a Bawell prism is installed in the prism seat, a lens assembly is installed in the tube body seat, a laser diode is installed on one side, close to the shell, of the tube body seat, the base pin of the laser diode is connected with the driving circuit board inside the shell, and the driving circuit board is connected with an external power supply through a cable.
It is further characterized in that:
the lens assembly comprises a convex lens, the convex lens is arranged in a focusing seat through a lens seat, and the focusing seat is in threaded connection with an internal thread of the inner wall of the tube body seat through an external thread of the outer wall;
the convex lens is a spherical lens or an aspheric lens with a positive focal length, and the center of the convex lens is aligned with the center of the lens base and the center of the focusing base;
four fastening screws which are symmetrically distributed at 90 degrees are arranged in the middle of the wall of the tube body seat, and the fastening screws are abutted against the outer wall of the focusing seat;
the prism base is characterized by further comprising a circular table part, wherein the right end of the circular table part is clamped in a left through hole at the left end of the prism base and fixed by a fastening screw, two V-shaped chutes are formed in the left end of the circular table part to form a trapezoidal insertion block, and the trapezoidal insertion block is inserted into a trapezoidal groove at the right end of the prism base and fixed by the fastening screw;
the laser diode is inserted into the jack at the right end of the tube body seat from the right side, a pressure plate is further arranged at the right side of the laser diode, the laser diode is pressed and installed in the jack by the pressure plate, and the pressure plate is pressed and installed on the right end face of the tube body seat through a bolt;
the Bawell prism is arranged at the center of the prism seat in an adhesive way;
the right end face of the shell is provided with a small hole, and insulating heat-conducting pouring sealant can be injected into the shell through the small hole.
The utility model has the beneficial effects that: the laser beam emitted by the laser diode is emitted through the lens assembly and the Bawell prism, the structure is simple, and the light spot effect is good; the focusing seat can be adjusted left and right in the tube body seat through external threads, and can precisely move in the upper direction, the lower direction, the front direction and the rear direction through four fastening screws which are symmetrically distributed at 90 degrees, so that the aligned laser beam is enabled to coincide with the center of the tube body seat; the prism seat can finely move along the V-shaped chute of the circular table part in the left and right directions through the trapezoidal groove, so that the laser beams are ensured to be incident to the center of the Bawell prism, the output of the linear laser beams is realized, and the light spot effect is further ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of a lens assembly;
FIG. 4 is an exploded view of a Bawell prism, a prism holder, and a circular table;
FIG. 5 is an axial cross-sectional view of a tube body mount, lens assembly, dome, prism mount, and a Powell prism;
FIG. 6 is a transverse cross-sectional view of the barrel block and lens assembly;
FIG. 7 is a schematic diagram of an embodiment of the present invention in use in a flow sorter;
in the figure: 1-prism seat; 2-a circular table part; 3-a tube body seat; 4, a shell; 5-a laser diode; 6-pressing a plate; 7-a lens assembly; 8-Powell prism; 9-fastening screws; 10-a drive circuit board; 11-small holes; 71-convex lens; 72-a lens holder; 73-a focus mount; 74; an external thread; 31-a jack; 32-internal threads; 33-left via; 1-1, trapezoidal grooves; 2-1: v-shaped chutes.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
A linear semiconductor laser module comprises a tube body base 3, wherein a prism base 1 is arranged on one side of the tube body base 3, and a shell 4 is arranged on the other side of the tube body base 3; a Bawell prism 8 is arranged in the prism seat 1, a lens component 7 is arranged in the tube body seat 3, a laser diode 5 is arranged on one side of the tube body seat 3 close to the shell 4, a pin of the laser diode 5 is connected with a driving circuit board 10 in the shell 4, and the driving circuit board 10 is connected with an external power supply through a cable.
The lens assembly 7 comprises a convex lens 71, the convex lens 71 is arranged in a focusing seat 73 through a lens seat 72, and the focusing seat 73 is in threaded connection with the internal thread 32 on the inner wall of the tube body seat 3 through an external thread 74 on the outer wall; the convex lens 71 is a spherical lens or an aspheric lens with positive focal length, and the center of the convex lens 71 is aligned with the center of the lens holder 72 and the center of the focusing holder 73; four fastening screws 9 which are symmetrically distributed at 90 degrees are arranged in the middle of the wall of the tube body seat 3, and the fastening screws 9 are abutted against the outer wall of the focusing seat 73;
the prism lens is characterized by further comprising a circular table part 2, wherein the right end of the circular table part 2 is clamped in a left through hole 33 at the left end of the tube body seat 3 and fixed by a fastening screw 9, the left end of the circular table part 2 is provided with two V-shaped chutes 2-1 to form a trapezoidal insertion block, and the trapezoidal insertion block is inserted into a trapezoidal groove 1-1 at the right end of the prism seat 1 and fixed by the fastening screw 9; the laser diode 5 is inserted into the jack 31 at the right end of the tube body seat 3 from the right side, the pressure plate 6 is also arranged at the right side of the laser diode 5, the laser diode 5 is pressed into the jack 31 by the pressure plate 6, and the pressure plate 6 is pressed on the right end face of the tube body seat 3 through a bolt; the Bawell prism 8 is arranged at the center of the prism seat 1 in an adhesive way; the right end face of the shell 4 is provided with a small hole 11, and insulating heat-conducting pouring sealant can be injected into the shell 4 through the small hole 11.
During assembly, the laser diode 5 is arranged in the right through hole 31 of the tube body seat 3, and the pressure plate 6, the tube body seat 3 and the laser diode 5 are locked into an integral assembly by screws; the laser diode 5 is welded with the driving circuit board 10 to form an integral component, and power is supplied through a cable; screwing the lens assembly 7 into the tube body seat, controlling the axial distance between the lens assembly 7 and the light-emitting core of the laser diode 5 through a tooling jig, and adjusting the lens assembly 7 to the optimal position; meanwhile, four fastening screws 9 arranged on the wall of the middle position of the tube body seat 3 are adjusted to realize the fine movement of the lens component 7 in the up-down direction and the front-back direction, so as to ensure that the center of the convex lens 71 is coincided with the light-emitting core of the laser diode 5, namely, the collimated laser beam is coincided with the center of the tube body seat; meanwhile, the lens component 7 and the tube body seat 3 are combined into an integral component in a locking mode by a fastening screw 9;
the circular table part 2 and the tube body seat 3, the circular table part 2 and the prism seat 1 are assembled into a whole in sequence; the control ensures that the prism seat 1 finely moves in the front and rear direction along the circular table part V-shaped chute 2-1, namely the band-pass Bawell prism 8 finely moves in the front and rear direction, so that laser beams are incident to the center of the Bawell prism 8, and the output of the linear laser beams is realized; the integrated assembly is formed by the locking of a set screw 9 between the circular table part 2 and the tube body seat 3 and between the circular table part 2 and the prism seat 1; furthermore, the mounting and fixing force among the mechanical parts can be enhanced by adding adhesive dispensing.
Fig. 7 is a schematic view of an in-line semiconductor laser module according to an embodiment of the present invention applied to a flow sorter, as shown in fig. 7; the linear laser module emits a fan-shaped light beam, the fan-shaped light beam is positioned in the horizontal direction, and the fan-shaped angle is determined by the characteristics of the Bawell prism; the sorted liquid drops are charged, and the charge quantity of different liquid drops is different; the liquid drops fall from top to bottom and pass between the positive and negative electrode deflection plates; acting force is generated between the charged liquid drops and the electrode deflection plate, and the liquid drops are deflected; the deflection distance between the liquid drops is determined by the electric quantity charged by the liquid drops and the voltage of the deflector;
the liquid drops passing through the electrode deflection plate are linearly arranged and are intersected with the linear light beam; therefore, the high-speed camera which is arranged at 90 degrees to the light beam can capture the state of each liquid drop in real time, and the purpose of monitoring the sorting effect is achieved.
Claims (8)
1. The utility model provides a line semiconductor laser module, its includes the tube body seat, its characterized in that: one side of the tube body seat is provided with a prism seat, and the other side of the tube body seat is provided with a shell; the laser tube comprises a tube body seat, a prism seat, a shell and a driving circuit board, wherein a Bawell prism is installed in the prism seat, a lens assembly is installed in the tube body seat, a laser diode is installed on one side, close to the shell, of the tube body seat, the base pin of the laser diode is connected with the driving circuit board inside the shell, and the driving circuit board is connected with an external power supply through a cable.
2. The in-line semiconductor laser module as claimed in claim 1, wherein: the lens component comprises a convex lens, the convex lens is installed in the focusing seat through the lens seat, and the focusing seat is in threaded connection with the internal thread of the inner wall of the tube body seat through the external thread of the outer wall.
3. The in-line semiconductor laser module as claimed in claim 2, wherein: the convex lens is a spherical lens or an aspheric lens with a positive focal length, and the center of the convex lens is aligned with the center of the lens seat and the center of the focusing seat.
4. The in-line semiconductor laser module according to claim 3, wherein: the middle of the wall of the tube body seat is provided with four fastening screws which are symmetrically distributed at 90 degrees, and the fastening screws are abutted to the outer wall of the focusing seat.
5. The in-line semiconductor laser module as claimed in claim 4, wherein: the prism base is characterized by further comprising a circular table portion, wherein the right end of the circular table portion is clamped in a left through hole at the left end of the prism base and fixed through a set screw, two V-shaped chutes are formed in the left end of the circular table portion to form a trapezoidal insertion block, and the trapezoidal insertion block is inserted into a trapezoidal groove at the right end of the prism base and fixed through the set screw.
6. The in-line semiconductor laser module according to claim 5, wherein: the laser diode is inserted into the jack at the right end of the tube body seat from the right side, a pressure plate is further arranged at the right side of the laser diode, the laser diode is pressed in the jack by the pressure plate, and the pressure plate is pressed on the right end face of the tube body seat through a bolt.
7. The in-line semiconductor laser module according to claim 6, wherein: the Bawell prism is arranged at the center of the prism seat in an adhesive manner.
8. The in-line semiconductor laser module as claimed in claim 7, wherein: the right end face of the shell is provided with a small hole, and insulating heat-conducting pouring sealant can be injected into the shell through the small hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521890.2U CN215579533U (en) | 2021-07-06 | 2021-07-06 | Linear semiconductor laser module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521890.2U CN215579533U (en) | 2021-07-06 | 2021-07-06 | Linear semiconductor laser module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215579533U true CN215579533U (en) | 2022-01-18 |
Family
ID=79823647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121521890.2U Active CN215579533U (en) | 2021-07-06 | 2021-07-06 | Linear semiconductor laser module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215579533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808439A (en) * | 2018-08-13 | 2018-11-13 | 成都天体微波科技有限公司 | A kind of semiconductor laser with aligning regulating device |
-
2021
- 2021-07-06 CN CN202121521890.2U patent/CN215579533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808439A (en) * | 2018-08-13 | 2018-11-13 | 成都天体微波科技有限公司 | A kind of semiconductor laser with aligning regulating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201373710Y (en) | Laser sight of LED lamp | |
| CN215579533U (en) | Linear semiconductor laser module | |
| CN102032840B (en) | LED lamp laser sighting device | |
| US20020196620A1 (en) | Led flashlight with lens | |
| US7850374B2 (en) | Optical transmitter module with an integrated lens and method for making the module | |
| EP0362993A2 (en) | Nonimaging light source | |
| US20040227998A1 (en) | Lens, light irradiation apparatus, and laser pointer | |
| EP2340984A1 (en) | Light guide lens and bicycle headlight including the same | |
| CN109586163B (en) | Multi-single-tube high-power semiconductor laser packaging structure and laser | |
| CN211425346U (en) | Light source module based on Bawell prism | |
| US11906664B2 (en) | Emission module and mounting and adjustment method of the same, LiDAR and smart sensing device | |
| US9548586B2 (en) | Energy integrating device for split semiconductor laser diodes | |
| EP1519107A1 (en) | Vehicle lamp | |
| US20230358506A1 (en) | Led emergent light adjusting mechanism and inner-red-dot aiming device therefor | |
| WO2024037264A1 (en) | Linear-light-spot light source emission device and apparatus | |
| CN212840778U (en) | Lighting system | |
| CN218099695U (en) | Optical fiber laser collimator | |
| US7346994B2 (en) | Adaptive cruise control sensor alignment tool and method | |
| CN111146685A (en) | Optical fiber coupling semiconductor laser | |
| CN203572827U (en) | Blood cell analysis device | |
| CN115917292B (en) | Flow cytometer and laser optical component thereof | |
| EP0420029A1 (en) | Device for deflecting and focusing a light beam | |
| CN211293379U (en) | Optical fiber coupling laser and coupling optical path system for laser radar | |
| CN212009267U (en) | High-power projection illumination dodging system | |
| CN215600730U (en) | Dust-proof device of laser transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |