Intermediate infrared semiconductor laser emitting device
By designing the combination of control unit and shield, the problem of the emission angle of the mid-infrared semiconductor laser is not easy to adjust and dust accumulation, and a laser emission device with precise adjustment and cleaning is realized.
Patent Information
- Application Number
- CN202510676700.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2025-08-26
AI Technical Summary
The emission angle of the mid-infrared semiconductor laser is not easy to adjust and is easily dirt, affecting the quality of the beam.
A transmitting device including a base plate, a vertical plate, a lifting groove, a control unit and other components is designed. Through the cooperation of gears, screws and motors, the angle and height of the laser body are adjusted, and a shield is provided to prevent dust accumulation.
Accurate adjustment of laser emission angle and height, improves beam quality, and prevents dust occlusion, improving usage accuracy and cleanliness.
Smart Images

Figure CN120545792A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of laser technology, and in particular to a mid-infrared semiconductor laser emitting device. Background Art
[0002] A laser is a device that emits and amplifies a laser beam. It uses the principle of stimulated emission of radiation to produce a highly coherent, highly directional beam and is widely used in medicine, industry, military, and scientific research. A laser consists of a pump source, an active medium, an optical resonator, and mirrors. The pump source provides energy to excite atoms or molecules in the active medium to a high energy state. These excited particles then release photons as they fall back to a lower energy level.
[0003] When installing a mid-infrared semiconductor laser, a transmitting device needs to be installed on the laser. However, the laser's emission angle and position are not easy to adjust, and the laser emission angle is not easy to display intuitively, which makes it difficult for workers to adjust the angle accurately. In addition, when the laser's emission head is not in use, it is easy to get dusty, which reduces the quality of the laser beam. Summary of the Invention
[0004] (1) Technical problems solved
[0005] In view of the shortcomings of the existing technology, the present invention provides a mid-infrared semiconductor laser emitting device, which solves the problem that the laser emission angle is difficult to adjust.
[0006] (2) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a mid-infrared semiconductor laser emitting device, comprising a base plate, a laser body being provided on the upper side of the base plate, vertical plates being fixedly connected to the upper sides of the front and rear ends of the base plate, lifting slots being provided on the outer sides of the front and rear vertical plates, and a control unit being provided on the outer sides of the vertical plates;
[0008] The control unit includes a lifting plate, the lifting plate is slidably connected to the inner sides of the lifting slots at the front and rear ends of the lifting plates, and one side of the lifting plate is rotatably connected to a rotating rod, the laser body is fixedly connected between the front and rear rotating rods, and the other side of the lifting plate is fixedly connected to a fixed shell, and the outer side of the fixed shell is provided with a sliding slot, and the inner side of the sliding slot is rotatably connected to a screw second. The outer sides of the rotating rods at the front and rear ends are fixedly connected to a gear one, the outer side of the slider is fixedly connected to a gear plate, and the right side of the fixed shell on the left and right sides is fixedly connected to a connecting frame. The upper side of the bottom plate is fixedly connected to an L-shaped plate, and a screw one is rotatably connected between the L-shaped plate and the bottom plate, and the outer side of the fixed shell is fixedly connected to an angle scale. The outer end of the rotating rod passes through the outer side of the fixed shell and is fixedly connected to an indicator disk, and the outer side of the indicator disk is fixedly connected to an indicator needle.
[0009] Preferably, a movable groove is formed on the side of the lifting plate close to the laser body, a movable block is slidably connected to the inner side of the movable groove, a control rod is rotatably connected to the outer side of the movable block, a rotating plate is fixedly connected to the outer end of the control rod, a shield is fixedly connected between the front and rear rotating plates, a third motor is fixedly connected to the outer side of the movable block, and a second gear is fixedly connected to the outer side of the output end of the third motor and the outer side of the control rod, so as to facilitate the control of the movement and rotation of the shield.
[0010] Preferably, the gear two is meshingly connected.
[0011] Preferably, the tooth plate is meshingly connected to gear one.
[0012] Preferably, the second screw is threadedly connected to the slider, the outer side of the fixed housing is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to the outer end of the second screw, so as to facilitate the control of the left and right movement of the slider.
[0013] Preferably, an electric push rod is fixedly connected between the outer side of the moving block and the moving groove, so as to facilitate the control of the horizontal movement of the moving block.
[0014] Preferably, rectangular holes are provided on both the left and right sides of the fixed shell.
[0015] Preferably, the screw rod 1 is threadedly connected to the connecting frame, the upper side of the L-shaped plate is fixedly connected to the motor 1, and the output end of the motor 1 is fixedly connected to the upper end of the screw rod 1, so as to facilitate the control of the rotation of the screw rod 1.
[0016] (3) Beneficial effects
[0017] The present invention provides a mid-infrared semiconductor laser emitting device. It has the following beneficial effects:
[0018] 1. The vertical plate, lifting slot, lifting plate, rotating rod, fixed shell, gear 1, gear plate and screw are provided to facilitate the angle control of the laser body for adjustment, and the angle scale and indicator dial are used to facilitate the intuitive observation of the laser emission angle.
[0019] 2. By setting up a connecting frame, L-shaped plate and screw, it is convenient to control the up and down movement of the laser body and to adjust the emission height.
[0020] 3. By setting up a moving slot, a moving block, a control rod, a rotating plate, a second gear, an electric push rod and a shielding cover, it is convenient to control the shielding cover to shield the transmitting head of the laser body to prevent external dust from blocking the transmitting head. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is the overall three-dimensional structural diagram of the present invention;
[0022] Figure 2 This is a three-dimensional structural diagram of the present invention without the laser body;
[0023] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0024] Figure 4 This is a three-dimensional structural diagram from another perspective of the present invention without the laser body;
[0025] Figure 5 for Figure 4 Enlarged view of point B in the middle;
[0026] Figure 6 for Figure 4 Enlarged view of point C in the middle;
[0027] Figure 7 It is a partial three-dimensional structural diagram of the present invention.
[0028] Among them, 1. Base plate; 2. Laser body; 3. Vertical plate; 4. Lifting slot; 5. L-shaped plate; 6. Connecting frame; 7. Screw 1; 8. Motor 1; 9. Control unit; 901. Lifting plate; 902. Fixed shell; 903. Turning rod; 904. Angle scale; 905. Indicator plate; 906. Indicator needle; 907. Slide slot; 908. Screw 2; 909. Motor 2; 910. Slider; 911. Rectangular hole; 912. Gear 1; 913. Tooth plate; 914. Moving slot; 915. Moving block; 916. Control lever; 917. Turning plate; 918. Gear 2; 919. Motor 3; 920. Shielding cover; 921. Electric push rod. DETAILED DESCRIPTION
[0029] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.
[0030] Example:
[0031] like Figure 1-7 As shown, an embodiment of the present invention provides a mid-infrared semiconductor laser emitting device, including a base plate 1, a laser body 2 is provided on the upper side of the base plate 1, vertical plates 3 are fixedly connected to the upper sides of the front and rear ends of the base plate 1, lifting slots 4 are provided on the outer sides of the front and rear vertical plates 3, and a regulating unit 9 is provided on the outer side of the vertical plate 3. A screw 7 is threadedly connected to a connecting frame 6, and a motor 8 is fixedly connected to the upper side of an L-shaped plate 5. The output end of the motor 8 is fixedly connected to the upper end of the screw 7. When in use, the motor 8 is controlled to start, the motor 8 drives the screw 7 to rotate, the screw 7 drives the connecting frame 6 to move up and down, the connecting frame 6 drives the fixed shell 902 to move up and down, the fixed shell 902 drives the lifting plate 901 to move, and the lifting plate 901 drives the laser body 2 on the rotating rod 903 to move up and down, so as to facilitate the adjustment of the height of laser emission.
[0032] The control unit 9 includes a lifting plate 901, which is slidably connected to the inner sides of the lifting slots 4 on the front and rear sides. One side of the lifting plates 901 on the front and rear sides is rotatably connected to a rotating rod 903. The laser body 2 is fixedly connected between the rotating rods 903 on the front and rear sides. The other side of the lifting plate 901 is fixedly connected to a fixed shell 902. A sliding groove 907 is provided on the outer side of the fixed shell 902. A slider 910 is slidably connected to the inner side of the sliding groove 907. A screw 2 908 is rotatably connected to the inner side of the sliding groove 907. The outer sides of the rotating rods 903 on the front and rear sides are fixedly connected to a gear 1 912. The outer side of the slider 910 is fixedly connected to a toothed plate 913. The right sides of the fixed shells 902 on the left and right sides are fixedly connected to a connecting frame 6. The upper side of the bottom plate 1 is fixedly connected to an L-shaped plate 5. A screw 1 7 is rotatably connected between the L-shaped plate 5 and the bottom plate 1. The outer side of the fixed shell 902 is fixedly connected to an angle scale 904. The outer end of the rotating rod 903 passes through the outer side of the fixed shell 902 and is fixedly connected to The indicator plate 905 is fixedly connected to the outer side of the indicator plate 905 with an indicator needle 906, the tooth plate 913 is meshed with the gear 1 912, and rectangular holes 911 are provided on the left and right sides of the fixed housing 902. The second screw 908 is threadedly connected to the slider 910, and the outer side of the fixed housing 902 is fixedly connected to the second motor 909. The output end of the second motor 909 is fixedly connected to the outer end of the second screw 908. When in use, the second motor 909 is started, the second motor 909 drives the second screw 908 to rotate, the second screw 908 drives the slider 910 to move horizontally, the slider 910 drives the tooth plate 913 to move, the tooth plate 913 drives the gear 1 912 to rotate, the gear 1 912 drives the rotating rod 903 to rotate, and the rotating rod 903 drives the laser body 2 to rotate, so as to facilitate the adjustment of the angle of the reflected laser. The rotating rod 903 drives the indicator plate 905 to rotate, the indicator plate 905 drives the indicator needle 906 to rotate, and cooperates with the angle scale 904 to facilitate intuitive observation of the adjusted angle.
[0033] A moving groove 914 is provided on one side of the lifting plate 901 close to the laser body 2, and a moving block 915 is slidably connected to the inner side of the moving groove 914, and a control rod 916 is rotatably connected to the outer side of the moving block 915. The outer end of the control rod 916 is fixedly connected to a rotating plate 917, and a shielding cover 920 is fixedly connected between the front and rear rotating plates 917. The outer side of the moving block 915 is fixedly connected to a motor 3 919, and the outer side of the output end of the motor 3 919 and the outer side of the control rod 916 are fixedly connected to a gear 2 918. An electric push rod 921 is fixedly connected between the outer side of the moving block 915 and the moving groove 914, and the gear 2 918 is meshed with each other. Next, when the laser body 2 is not needed, the motor three 919 is controlled, and the motor three 919 drives the gear two 918 to rotate. Since the two gear twos 918 are engaged, it is convenient for the motor three 919 to drive the control rod 916 to rotate, and the control rod 916 drives the rotating plate 917 to rotate, and the rotating plate 917 drives the shielding cover 920 to rotate, so that the shielding cover 920 is located on the left side of the laser body 2, and then the electric push rod 921 is controlled to drive the moving block 915 to move, and the moving block 915 drives the shielding cover 920 on the rotating plate 917 to move to the right, so that the shielding cover 920 can cover the emission head of the laser body 2 to prevent external dust from accumulating on the surface of the emission head.
[0034] Working principle: When in use, the staff first controls motor 1 8, which drives screw 1 7 to rotate. Under the action of connecting frame 6 and fixed shell 902, it is convenient to control the laser body 2 to move up and down, so as to adjust the height of laser emission. Then, the staff controls motor 2 909, controls screw 2 908 to rotate, and controls slider 910 to move horizontally. Under the action of tooth plate 913 and gear 1 912, it is convenient to control the rotation of laser body 2 on rotating rod 903, so as to adjust the reflection angle of laser. And under the action of indicator plate 905 and indicator needle 906, it is convenient to visually observe the adjusted angle.
[0035] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A mid-infrared semiconductor laser emitting device, comprising a base plate (1), characterized in that: A laser body (2) is provided on the upper side of the base plate (1), and vertical plates (3) are fixedly connected to the upper sides of the front and rear ends of the base plate (1), and lifting grooves (4) are provided on the outer sides of the front and rear vertical plates (3), and a control unit (9) is provided on the outer side of the vertical plates (3); The control unit (9) includes a lifting plate (901), the lifting plate (901) is slidably connected to the inner side of the lifting grooves (4) on the front and rear sides, one side of the lifting plate (901) on the front and rear sides is rotatably connected to a rotating rod (903), the laser body (2) is fixedly connected between the rotating rods (903) on the front and rear sides, the other side of the lifting plate (901) is fixedly connected to a fixed shell (902), a sliding groove (907) is provided on the outer side of the fixed shell (902), a slider (910) is slidably connected to the inner side of the sliding groove (907), a screw rod (908) is rotatably connected to the inner side of the sliding groove (907), and the rotating rods ( The outer side of the fixed housing (903) is fixedly connected to a gear 1 (912), the outer side of the slider (910) is fixedly connected to a toothed plate (913), the right side of the fixed housing (902) on the left and right sides is fixedly connected to a connecting frame (6), the upper side of the bottom plate (1) is fixedly connected to an L-shaped plate (5), a screw 1 (7) is rotatably connected between the L-shaped plate (5) and the bottom plate (1), the outer side of the fixed housing (902) is fixedly connected to an angle scale (904), the outer end of the rotating rod (903) passes through the outer side of the fixed housing (902) and is fixedly connected to an indicator disk (905), and the outer side of the indicator disk (905) is fixedly connected to an indicator needle (906).
2. A mid-infrared semiconductor laser emitting device according to claim 1, characterized in that: A movable groove (914) is provided on one side of the lifting plate (901) close to the laser body (2); a movable block (915) is slidably connected to the inner side of the movable groove (914); a control rod (916) is rotatably connected to the outer side of the movable block (915); a rotating plate (917) is fixedly connected to the outer end of the control rod (916); a shielding cover (920) is fixedly connected between the rotating plates (917) at the front and rear sides; a motor three (919) is fixedly connected to the outer side of the movable block (915); and a gear two (918) is fixedly connected to the outer side of the output end of the motor three (919) and the outer side of the control rod (916).
3. A mid-infrared semiconductor laser emitting device according to claim 2, characterized in that: The gear 2 (918) is meshed and connected.
4. The mid-infrared semiconductor laser emitting device according to claim 1, characterized in that: The tooth plate (913) is meshedly connected with gear 1 (912).
5. The mid-infrared semiconductor laser emitting device according to claim 1, characterized in that: The second screw rod (908) is threadedly connected to the slider (910), the outer side of the fixed housing (902) is fixedly connected to the second motor (909), and the output end of the second motor (909) is fixedly connected to the outer end of the second screw rod (908).
6. The mid-infrared semiconductor laser emitting device according to claim 2, characterized in that: An electric push rod (921) is fixedly connected between the outer side of the moving block (915) and the moving groove (914).
7. The mid-infrared semiconductor laser emitting device according to claim 1, characterized in that: Rectangular holes (911) are provided on both the left and right sides of the fixed housing (902).
8. The mid-infrared semiconductor laser emitting device according to claim 1, characterized in that: The screw rod 1 (7) is threadedly connected to the connecting frame (6), the upper side of the L-shaped plate (5) is fixedly connected to the motor 1 (8), and the output end of the motor 1 (8) is fixedly connected to the upper end of the screw rod 1 (7).