CN220857218U - Semiconductor laser - Google Patents

Abstract

The utility model provides a semiconductor laser, which relates to the technical field of lasers and comprises a shell, wherein a protection plate is fixedly arranged on the outer surface wall of the shell, two supports are fixedly arranged on the outer surface wall of the shell, a threaded screw rod is movably inserted between the opposite sides of the two supports, the outer surface wall of the threaded screw rod is in threaded connection with a sliding block, a protection shell is fixedly arranged at one end of the outer wall of the sliding block, a motor is fixedly arranged at one side of the outer wall of one of the two supports, and the motor is fixedly connected with one end of the threaded screw rod. When the semiconductor laser is not used, the motor is started, the motor drives the threaded screw rod to rotate, the threaded screw rod further drives the protective shell to move towards the protective plate until the protective shell and the protective plate are mutually closed, at the moment, the light-transmitting lens can be protected, and impurities such as dust are prevented from adhering to the surface of the light-transmitting lens when the semiconductor laser is not used, so that the use of the semiconductor laser is affected.

Description

Semiconductor laser

Technical Field

The utility model relates to the technical field of lasers, in particular to a semiconductor laser.

Background

Semiconductor lasers, also called laser diodes, are lasers using semiconductor materials as working substances, and are the most practical and important type of lasers. The device has small volume and long service life, can be pumped by adopting a simple current injection mode, and has working voltage and current compatible with an integrated circuit, thus being monolithically integrated with the integrated circuit. And can also be current modulated directly at frequencies up to GHz to obtain a high speed modulated laser output. Because of these advantages, semiconductor diode lasers are widely used in laser communication, optical storage, optical gyroscopes, laser printing, ranging, radar, and the like.

In the existing semiconductor laser, laser light is led out from the light-transmitting lens, but in the long-time placement of the semiconductor laser, dust impurities and the like are attached to the surface of the light-transmitting lens, and the dust impurities may affect the use of the semiconductor laser.

Disclosure of utility model

The utility model aims to solve the problem that dust impurities adhere to the surface of a light-transmitting lens in the long-time placement of a semiconductor laser in the prior art, thereby influencing the use of the laser.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a semiconductor laser, includes the casing, the inner wall fixed mounting of casing has laser generator, laser generator's output fixed mounting has the printing opacity lens, printing opacity lens runs through outer wall one side of casing, the outward appearance wall fixed mounting of casing has the guard plate, the outward appearance wall fixed mounting of casing has two supports, two the activity has inserted the screw thread lead screw between the opposite side of support, the outward appearance wall threaded connection of screw thread lead screw has the slider, the outer wall one end fixed mounting of slider has the protecting crust, two fixed mounting has the gag lever post between the opposite side of support, gag lever post and slider sliding connection, two the outer wall one side fixed mounting of one of them support has the motor, the output shaft of motor runs through the support to with the one end fixed connection of screw thread lead screw.

Preferably, the protective shell is in sliding connection with the shell, a cleaning sponge is fixedly arranged on the inner wall of the protective shell, and the cleaning sponge is in sliding connection with the light-transmitting lens.

Preferably, a group of heat dissipation holes are formed in the outer surface wall of the shell in a penetrating mode, and two miniature heat dissipation fans are symmetrically and fixedly installed at the bottom end of the inner wall of the shell.

Preferably, the outer surface wall of the shell is symmetrically and fixedly provided with two fixing plates, and the top ends of the two fixing plates are respectively provided with an electric push rod.

Preferably, the output ends of the two electric push rods are fixedly provided with sealing plates, and the two sealing plates are in sliding connection with the shell.

Preferably, the bottom end of the shell is fixedly provided with a bottom plate, and the top end of the bottom plate is provided with four fixing holes in a penetrating mode.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. In the utility model, when the semiconductor laser is not used, the motor is started, the motor drives the threaded screw rod to rotate, the threaded screw rod drives the sliding block to move, the sliding block drives the protective shell to move towards the protective plate until the protective shell and the protective plate are mutually closed, at the moment, the light-transmitting lens can be protected, and the impurities such as dust are prevented from adhering to the surface of the light-transmitting lens when the semiconductor laser is not used, so that the use of the semiconductor laser is influenced.

2. In the utility model, when the semiconductor laser works, dust and the like possibly adhere to the surface of the light-transmitting lens, when the protective shell is opened and closed, the cleaning sponge can slide on the surface of the light-transmitting lens, so that impurities such as dust on the surface of the light-transmitting lens are cleaned, meanwhile, when the semiconductor laser is used, the arrangement of the miniature heat dissipation fan and the heat dissipation holes can effectively dissipate heat of the semiconductor laser, when the semiconductor laser is not used, the two electric push rods are opened, and the electric push rods drive the sealing plates to descend so as to block the heat dissipation holes, thereby preventing dust from entering the semiconductor laser from the heat dissipation holes in the placing process of the semiconductor laser.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a semiconductor laser according to the present utility model;

FIG. 2 is a schematic diagram showing the overall structure of another view angle in a semiconductor laser according to the present utility model;

Fig. 3 is a schematic view of the internal structure of a housing in a semiconductor laser according to the present utility model;

Fig. 4 is a schematic view showing an internal structure of a housing at another view angle in a semiconductor laser according to the present utility model;

Fig. 5 is a schematic diagram of a related structure of a protective case in a semiconductor laser according to the present utility model.

Legend description: 1. a housing; 2. a bracket; 3. a threaded screw rod; 4. a limit rod; 5. a motor; 6. a protection plate; 7. a slide block; 8. a protective shell; 9. cleaning a sponge; 10. a laser generator; 11. a heat radiation hole; 12. a miniature heat radiation fan; 13. a fixing plate; 14. an electric push rod; 15. a sealing plate; 16. a bottom plate; 17. a fixing hole; 18. a light transmitting lens.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In the embodiment 1, as shown in fig. 1-5, the utility model provides a semiconductor laser, which comprises a shell 1, wherein a laser generator 10 is fixedly installed on the inner wall of the shell 1, a light-transmitting lens 18 is fixedly installed on the output end of the laser generator 10, the light-transmitting lens 18 penetrates through one side of the outer wall of the shell 1, a protection plate 6 is fixedly installed on the outer surface wall of the shell 1, two supports 2 are fixedly installed on the outer surface wall of the shell 1, a threaded screw rod 3 is movably inserted between the opposite sides of the two supports 2, a sliding block 7 is in threaded connection with the outer surface wall of the threaded screw rod 3, a protection shell 8 is fixedly installed on one end of the outer wall of the sliding block 7, a limit rod 4 is fixedly installed between the opposite sides of the two supports 2, a motor 5 is fixedly installed on one side of the outer wall of one of the two supports 2, and the output shaft of the motor 5 penetrates through the supports 2 and is fixedly connected with one end of the threaded screw rod 3.

The effect that its whole embodiment 1 reached is, when semiconductor laser is not used, the surface of printing opacity lens 18 can adhere to some dust impurity etc. at this moment, opens motor 5, and motor 5 drives screw thread lead screw 3 and rotates, and screw thread lead screw 3 and then drive slider 7 and remove, and slider 7 drives protective housing 8 again and removes to guard plate 6, until protective housing 8 and guard plate 6 are closed each other, just can protect printing opacity lens 18 this moment, has prevented that semiconductor laser when not using, the impurity such as dust from adhering to the surface of printing opacity lens 18 to influence semiconductor laser's use.

In embodiment 2, as shown in fig. 1-5, a protective shell 8 is slidably connected with a shell 1, a cleaning sponge 9 is fixedly mounted on the inner wall of the protective shell 8, and the cleaning sponge 9 is slidably connected with a light-transmitting lens 18. The outer surface wall of the shell 1 is penetrated and provided with a group of heat dissipation holes 11, and two miniature heat dissipation fans 12 are symmetrically and fixedly arranged at the bottom end of the inner wall of the shell 1. Two fixing plates 13 are symmetrically and fixedly arranged on the outer surface wall of the shell 1, and electric push rods 14 are arranged at the top ends of the two fixing plates 13. The output ends of the two electric push rods 14 are fixedly provided with sealing plates 15, and the two sealing plates 15 are in sliding connection with the shell 1. The bottom of the shell 1 is fixedly provided with a bottom plate 16, and four fixing holes 17 are formed in the top end of the bottom plate 16 in a penetrating mode.

The effect that its whole embodiment 2 reached is, fixed orifices 17 on bottom plate 16, the convenience is fixed semiconductor laser, when protecting crust 8 is opening and when closing, the clean sponge 9 of protecting crust 8 inner wall can slide on the surface of printing opacity lens 18, thereby clean impurity such as dust on the surface of printing opacity lens 18, when semiconductor laser is in the use, dispel the heat through miniature radiator fan 12 with louvre 11 semiconductor laser, when semiconductor laser is not using, open two electric putter 14, electric putter 14 drives closing plate 15 and descends, it blocks up louvre 11, and then prevent that the semiconductor laser from entering into the inside of semiconductor laser from louvre 11 and influencing subsequent use.

Working principle: firstly, the device is placed on a designated position, the fixing hole 17 on the bottom plate 16 is convenient for fixing a semiconductor laser, then when the semiconductor laser is required to be used, the laser generator 10 is started, the laser generator 10 emits laser, then the laser is led out to the outside through the transparent lens 18, then the micro heat dissipation fan 12 and the heat dissipation hole 11 are used for dissipating heat of the semiconductor laser, when the semiconductor laser is not used, the two electric push rods 14 are started, the electric push rods 14 drive the sealing plate 15 to descend, the heat dissipation hole 11 is blocked, dust is prevented from entering the semiconductor laser from the heat dissipation hole 11 in the placing process, then the motor 5 is started, the screw rod 3 is driven to rotate by the motor 5, the slide block 7 is driven to move by the slide block 7, the slide block 8 is driven to move to the protection plate 6 until the protection shell 8 and the protection plate 6 are mutually closed, at the moment, the transparent lens 18 can be protected, and impurities such as dust are prevented from adhering to the surface of the transparent lens 18 when the semiconductor laser is not used, and meanwhile, dust is prevented from entering the inside the semiconductor laser from entering the inside of the heat dissipation hole, and the transparent lens 18 can be cleaned when the protection shell 8 is closed, and the transparent lens 8 is cleaned, and the dust is prevented from sliding on the surface of the protection shell, and the surface of the transparent lens 18.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A semiconductor laser, characterized by: including casing (1), the inner wall fixed mounting of casing (1) has laser generator (10), the output fixed mounting of laser generator (10) has printing opacity lens (18), printing opacity lens (18) run through outer wall one side of casing (1), the exterior wall fixed mounting of casing (1) has guard plate (6), the exterior wall fixed mounting of casing (1) has two supports (2), two the activity has inserted screw thread lead screw (3) between the opposite one side of support (2), the exterior wall threaded connection of screw thread lead screw (3) has slider (7), the outer wall one end fixed mounting of slider (7) has protecting crust (8), two fixed mounting gag lever post (4) between the opposite one side of support (2), gag lever post (4) and slider (7) sliding connection, two the outer wall one side fixed mounting of one of them of support (2) has motor (5), the output shaft of motor (5) runs through support (2) to with the one end fixed connection of screw thread lead screw (3).

2. A semiconductor laser as claimed in claim 1, wherein: the protective shell (8) is in sliding connection with the shell (1), a cleaning sponge (9) is fixedly arranged on the inner wall of the protective shell (8), and the cleaning sponge (9) is in sliding connection with the light-transmitting lens (18).

3. A semiconductor laser as claimed in claim 1, wherein: the outer surface wall of the shell (1) is penetrated and provided with a group of heat dissipation holes (11), and two miniature heat dissipation fans (12) are symmetrically and fixedly arranged at the bottom end of the inner wall of the shell (1).

4. A semiconductor laser as claimed in claim 1, wherein: two fixing plates (13) are symmetrically and fixedly arranged on the outer surface wall of the shell (1), and electric push rods (14) are arranged at the top ends of the two fixing plates (13).

5. A semiconductor laser as defined in claim 4, wherein: the output ends of the two electric push rods (14) are fixedly provided with sealing plates (15), and the two sealing plates (15) are in sliding connection with the shell (1).

6. A semiconductor laser as claimed in claim 1, wherein: the bottom end of the shell (1) is fixedly provided with a bottom plate (16), and four fixing holes (17) are formed in the top end of the bottom plate (16) in a penetrating mode.