Dual-wavelength laser vertical switching device

Abstract

The utility model belongs to the technical field of laser switching, and particularly relates to a dual-wavelength laser vertical switching device which comprises a rotating disc, a first laser and a second laser are mounted on the rotating disc, and a cube-corner prism is arranged on one side of the rotating disc and on the same horizontal plane as the first laser and the second laser; photoelectric sensors are arranged below the first laser device and the second laser device, the photoelectric sensors are fixedly connected with the rotating disc, photoelectric receivers are arranged below the photoelectric sensors, the photoelectric receivers are fixedly connected with the bottom wall of the protection box, and the threaded rod is provided with two sets of symmetrical threads. The cube-corner prism serves as a core optical element, the dual-wavelength laser vertical switching function of the first laser and the second laser is achieved under angle rotation of the rotary disc, and the laser vertical switching device is simple in structure, beneficial to engineering and wide in application prospect.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of laser switching, and particularly relates to a dual-wavelength laser vertical switching device. BACKGROUND

[0002] The laser vertical switching device is a device for changing the vertical transmission path of a laser beam, and has a wide application in the fields of laser measurement, laser processing, laser communication and the like.

[0003] The existing method is complicated and cumbersome when vertically switching dual-wavelength lasers. Therefore, the dual-wavelength laser vertical switching device is provided to solve the above problems. CONTENT OF THE INVENTION

[0004] The application aims at the defects of the prior art, adopts the cooperation of the corner cube prism and the rotating disc, and designs the dual-wavelength laser vertical switching device to realize the dual-wavelength laser vertical switching function of the first laser and the second laser.

[0005] To achieve the above object, the application provides the following technical scheme:

[0006] The dual-wavelength laser vertical switching device comprises a rotating disc, a first laser and a second laser are installed on the rotating disc, and a corner cube prism is arranged on one side of the rotating disc and in the same horizontal plane as the first laser and the second laser.

[0007] Preferably, the rotating disc is arranged in the interior of a protection box, a servo motor is arranged below the rotating disc, and the output end of the servo motor is fixedly connected with the rotating disc.

[0008] Preferably, an optoelectronic sensor is arranged below each of the first laser and the second laser, the optoelectronic sensor is fixedly connected with the rotating disc, an optoelectronic receiver is arranged below the optoelectronic sensor, and the optoelectronic receiver is fixedly connected with the bottom wall of the protection box.

[0009] Preferably, symmetrical sliding grooves are formed in the rotating disc, a threaded rod is rotatably connected in the sliding groove, two groups of placement discs are spirally connected on the threaded rod, and the first laser and the second laser are respectively placed on the two groups of placement discs.

[0010] Preferably, a limiting plate is fixedly connected to the side adjacent to each of the two groups of placement discs, a limiting frame is fixedly connected to the placement disc, and a limiting rod is spirally connected to the limiting frame.

[0011] Preferably, a sliding groove is formed in the side wall of the protection box, a spiral rod is rotatably connected in the sliding groove, a sliding block is spirally connected on the spiral rod, and the sliding block is fixedly connected with the corner cube prism.

[0012] Preferably, the upper end of the screw rod penetrates the protective box and is fixedly connected with a scale block, and scale numbers are arranged below the scale block.

[0013] Preferably, the threaded rod is provided with two groups of symmetrical threads, and the two groups of threads are located inside the sliding groove, respectively.

[0014] Compared with the prior art, the application has the beneficial effects that:

[0015] The laser vertical switching device has the advantages of simple structure, facilitation for engineering, and wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in the application;

[0017] Figure 2 It is a schematic diagram of the internal structure of the protective box in the application;

[0018] Figure 3 It is a schematic diagram of the structure of the rotating disc in the application;

[0019] Figure 4 It is a schematic diagram of the structure of the rotating disc in the application; Figure 1 It is an enlarged schematic diagram of structure A in the application;

[0020] Figure 5 It is a schematic diagram of the structure principle of the first laser in the application;

[0021] Figure 6 It is a schematic diagram of the structure principle of the second laser in the application;

[0022] 1, protective box; 2, servo motor; 201, photoelectric sensor; 202, photoelectric receiver; 3, rotating disc; 301, sliding groove; 302, threaded rod; 303, placement disc; 304, limiting plate; 305, limiting frame; 306, limiting rod; 4, first laser; 5, second laser; 6, corner cube prism; 7, sliding groove; 701, screw rod; 702, scale number; 703, scale block. DETAILED DESCRIPTION

[0023] Referring to Figures 1-6 A dual-wavelength laser vertical switching device includes a rotating disc 3, a first laser 4 and a second laser 5 are installed on the rotating disc 3, and a corner cube prism 6 is arranged on one side of the rotating disc 3 and in the same horizontal plane as the first laser 4 and the second laser 5.

[0024] Among them, as Figure 5 andFigure 6 As shown, the first laser 4 can emit a light beam a, and the second laser 5 emits a light beam b, with the center of the rotating disc 3 as the center, the rotating disc 3 rotates 180 degrees, and the light beam b emitted by the second laser 5 passes through the corner cube prism 6, and the reflected light beam is still the light beam b, which is parallel to the light beam a; wherein the light beam a is still green light, the light beam b is still red light, the angle between the light beam a and the light beam b is a straight angle, and the light beam a is parallel to the light beam b.

[0025] As a preferred mode, the wavelength of the light beam of the first laser 4 is 1, and the wavelength of the light beam of the second laser 5 is 2, and both are collimated light beams.

[0026] As a preferred mode, the above structure realizes the vertical switching function of the dual-wavelength laser of the first laser 4 and the second laser 5 by taking the corner cube prism 6 as the core optical element under the angle rotation of the rotating disc 3.

[0027] As a preferred mode, the rotating disc 3 is arranged in the inside of the protection box 1, and the servo motor 2 is arranged below the rotating disc 3, and the output end of the servo motor 2 is fixedly connected with the rotating disc 3.

[0028] Wherein, the servo motor 2 can realize closed-loop control of the speed and position of the rotating disc 3, and has very high precision, so that when the servo motor 2 drives the first laser 4 and the second laser 5 on the rotating disc 3 to switch the angle, the first laser 4, the second laser 5 and the corner cube prism 6 always remain in the coaxial position.

[0029] As a preferred mode, the protection box 1 arranged can protect the light sources of the first laser 4 and the second laser 5, preventing external light sources or media from interfering with the light sources emitted by the first laser 4 and the second laser 5.

[0030] As a preferred mode, the first laser 4 and the second laser 5 are both provided with a photoelectric sensor 201 below, the photoelectric sensor 201 is fixedly connected with the rotating disc 3, and a photoelectric receiver 202 is arranged below the photoelectric sensor 201, and the photoelectric receiver 202 is fixedly connected with the bottom wall of the protection box 1.

[0031] Wherein, when the rotating disc 3 drives the first laser 4 and the second laser 5 to rotate, through the cooperation of the photoelectric sensor 201 and the photoelectric receiver 202, the staff outside the protection box 1 can determine that the first laser 4, the second laser 5 and the corner cube prism 6 are in the coaxial position.

[0032] As a preferred way, when the photoelectric sensor 201 and the photoelectric receiver 202 are in the coaxial position, the photoelectric signal emitted by the photoelectric sensor 201 can be received by the photoelectric receiver 202, thereby being displayed on the display screen outside the environment, so that the staff outside the protective box 1 can determine that the first laser 4 and the second laser 5 and the corner cube prism 6 are in the coaxial position.

[0033] As a preferred way, the rotating disc 3 is provided with symmetrical sliding grooves 301, the inside of the sliding grooves 301 is rotatably connected with threaded rods 302, the threaded rods 302 are spirally connected with two groups of placing discs 303, the first laser 4 and the second laser 5 are respectively placed on the two groups of placing discs 303, and the threaded rods 302 are provided with two groups of symmetrical threads, and the two groups of threads are respectively located in the inside of the sliding grooves 301.

[0034] Among them, after the first laser 4 and the second laser 5 are respectively placed on the two groups of placing discs 303, the threaded rods 302 can be rotated to make the first laser 4 and the second laser 5 away from each other or close to each other, and when the first laser 4 and the second laser 5 respectively close to the corner cube prism 6, the distance between them is in the equidistance state.

[0035] As a preferred way, the side adjacent to the two groups of placing discs 303 is fixedly connected with a limiting plate 304, the placing disc 303 is fixedly connected with a limiting frame 305, and the limiting frame 305 is spirally connected with a limiting rod 306.

[0036] Among them, after the first laser 4 and the second laser 5 are respectively placed on the two groups of placing discs 303, the tail ends of the first laser 4 and the second laser 5 are respectively connected with the limiting plate 304, and then the limiting rod 306 on the limiting frame 305 is rotated to make the limiting rod 306 move downward and press on the first laser 4 and the second laser 5, so that the positions of the first laser 4 and the second laser 5 on the rotating disc 3 can be fixed, and the phenomenon that the positions of the first laser 4 and the second laser 5 are deviated due to the rotation of the rotating disc 3 can be avoided.

[0037] As a preferred way, the side wall of the protective box 1 is provided with a sliding groove 7, the inside of the sliding groove 7 is rotatably connected with a spiral rod 701, the spiral rod 701 is spirally connected with a sliding block, and the sliding block is fixedly connected with the corner cube prism 6.

[0038] In this way, by rotating the spiral rod 701, the corner cube prism 6 can move up and down in the sliding groove 7, so that the position of the corner cube prism 6 in the protective box 1 can be adjusted.

[0039] Preferably, the upper end of the spiral rod 701 penetrates through the protective box 1 and is fixedly connected with a scale block 703, and a scale number 702 is arranged below the scale block 703.

[0040] When the screw rod 701 rotates, the scale block 703 will rotate, and the scale block 703 will point to different scale numbers 702.

[0041] As a preferred mode, the scale numbers 702 are arranged in a ring shape, and the distance between the numbers can represent the upward or downward distance of the corner cube prism 6, so that the staff outside the protection box 1 can determine the height of the corner cube prism 6 inside the protection box 1.

[0042] Working principle: the first laser 4 can emit a light beam a, and the second laser 5 emits a light beam b. The rotating disc 3 can rotate 180 degrees under the drive of the servo motor 2, and the second laser 5 emits a light beam b through the corner cube prism 6. The reflected light beam is still a light beam b, which is parallel to the light beam a. The light beam a is still green light, and the light beam b is still red light. The angle between the light beam a and the light beam b is a straight angle, and the light beam a is parallel to the light beam b, thereby realizing the dual-wavelength laser vertical switching function of the first laser 4 and the second laser 5 under the angle rotation of the rotating disc 3.

Claims

1. A dual-wavelength laser vertical switching device, characterized by, Including rotating disc (3), first laser (4) and second laser (5) are installed on the rotating disc (3), the corner cube prism (6) is arranged on the side of the rotating disc (3) and the same horizontal plane with the first laser (4) and second laser (5).

2. A dual-wavelength laser vertical switching device according to claim 1, wherein, The rotating disc (3) is arranged in the inside of the protection box (1), the servo motor (2) is arranged below the rotating disc (3), and the output end of the servo motor (2) is fixedly connected with the rotating disc (3).

3. A dual-wavelength laser vertical switching device according to claim 2, wherein, The photoelectric sensor (201) is arranged below the first laser (4) and the second laser (5), the photoelectric sensor (201) is fixedly connected with the rotating disc (3), the photoelectric receiver (202) is arranged below the photoelectric sensor (201), and the photoelectric receiver (202) is fixedly connected with the bottom wall of the protection box (1).

4. A dual-wavelength laser vertical switching device according to claim 3, wherein, Symmetrical sliding grooves (301) are formed in the rotating disc (3), the screw rod (302) is rotatably connected in the sliding groove (301), two groups of placing discs (303) are spirally connected on the screw rod (302), and the first laser (4) and the second laser (5) are respectively placed on the two groups of placing discs (303).

5. A dual-wavelength laser vertical switching device according to claim 4, wherein, The limiting plates (304) are fixedly connected on the adjacent sides of the two groups of placing discs (303), the limiting frames (305) are fixedly connected on the placing discs (303), and the limiting rods (306) are spirally connected on the limiting frames (305).

6. A dual-wavelength laser vertical switching device according to claim 2, wherein, The sliding groove (7) is formed in the side wall of the protection box (1), the screw rod (701) is rotatably connected in the sliding groove (7), the sliding block is spirally connected on the screw rod (701), and the sliding block is fixedly connected with the corner cube prism (6).

7. A dual-wavelength laser vertical switching device according to claim 6, wherein, The scale block (703) is fixedly connected on the upper end of the screw rod (701) and penetrates the protection box (1), and the scale number (702) is arranged below the scale block (703).

8. A dual-wavelength laser vertical switching device according to claim 4, wherein, The screw rod (302) is provided with two groups of symmetrical threads, and the two groups of threads are respectively located in the sliding groove (301).

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