Emission light channel of laser radar

Abstract

The utility model discloses an emission light channel of a laser radar. The emission light channel comprises a fixing frame and a circuit board. A bottom frame is arranged on the surface of the fixing frame; an upper cover is arranged at the top of the bottom frame; the circuit board is arranged in the bottom frame, and a lamp holder is arranged on one side of the circuit board; the circuit board is inserted into the concave frame in the bottom frame, the concave frame is connected into the concave frame in a sliding mode to form installation, the lamp holder on one side of the circuit board is aligned with the light emitting channel groove between the upper cover and the bottom frame, then the upper cover is covered, the threaded groove in the surface of the upper cover is aligned with the surface of the installation column in the bottom frame, and the installation column is installed in the installation column. Then bolts are screwed in, the bolts penetrate through the threaded grooves to enter the mounting columns in the bottom frame, and the upper cover and the bottom frame are mounted; by turning on the lamp holder on the surface of the circuit board, light beams emitted by the lamp holder can be effectively intercepted by the tooth eliminating groove to generate halo after being collimated by the single lens, the halo and energy of the halo are effectively reduced, and light spots are optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser radar technical field, concretely is a kind of emission light channel of laser radar. BACKGROUND

[0002] Laser radar is active ranging equipment, and it is a radar system for detecting distance, spatial position and other characteristic quantities of target by emitting probe beam.Laser radar obtains relevant information of target by comparing signal (such as laser beam) received from target reflection with emission signal.

[0003] In prior art, in the use of laser radar ranging, laser radar traditional design is a straight cylinder, but for TOF radar, since single lens surface is not necessarily smooth and light passing through single lens edge is not necessarily parallel projection out of light outlet, it can be reflected in straight cylinder inner wall, so that there is a circle of larger, energy concentrated halo near the light spot of close-range imaging, which can cause noise in point cloud diagram, and it is not convenient to use.In view of this, we launch a kind of emission light channel of laser radar. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of emission light channel of laser radar to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of emission light channel of laser radar, comprising: fixed frame and circuit board;

[0006] The surface of the fixed frame is provided with a bottom frame, which is integrally formed between the bottom frame and the fixed frame, and the top of the bottom frame is provided with an upper cover;

[0007] The circuit board is arranged in the inside of the bottom frame, one side of the circuit board is provided with a lamp holder, the lamp holder is integrally formed between the lamp holder and the circuit board, the surface of the bottom frame and the upper cover is provided with a light emission channel groove, the light emission channel groove is integrally formed between the bottom frame and the upper cover, and the inside of the light emission channel groove is provided with a tooth elimination mechanism, and the tooth elimination groove of the tooth elimination mechanism is used to adjust the wire harness emitted by the lamp holder.

[0008] Preferably, the tooth elimination groove is arranged in the light emission channel groove on the surface of the bottom frame and the upper cover, the light emission channel groove is integrally formed between the bottom frame and the upper cover, and the tooth elimination groove is sawtooth-shaped, which can effectively reduce halo and the energy of halo, and optimize light spot.

[0009] Preferably, the inside of the bottom frame is connected with a concave frame, the circuit board is inserted into the inside of the concave frame, and the concave frame is integrally formed between the bottom frame, and the concave frame can be installed and disassembled to the circuit board.

[0010] Preferably, the surface of the fixing frame is connected with a mounting cylinder, which is integrally arranged between the fixing frame.

[0011] Preferably, the surface of the upper cover is provided with a threaded groove, which is integrally arranged between the upper cover, the inside of the bottom frame is connected with a mounting column, which is integrally arranged between the bottom frame, and the threaded groove is aligned with the mounting column, the inside of the threaded groove is connected with a bolt, and the bolt enters into the inside of the mounting column after passing through the threaded groove, and the bolt passing through the threaded groove and entering into the inside of the mounting column can install the upper cover and the bottom frame.

[0012] Compared with the prior art, the utility model has the advantages that: the utility model discloses a circuit board is inserted in the concave frame in the inside of the bottom frame, the concave frame is slid in the inside of the concave frame, and installation is formed, the lamp holder on one side of the circuit board is aligned with the light channel groove between the upper cover and the bottom frame, then the upper cover is covered, the threaded groove on the surface of the upper cover is aligned with the surface of the mounting column in the inside of the bottom frame, then the bolt is screwed, the bolt passes through the threaded groove and enters the mounting column in the inside of the bottom frame, and the upper cover and the bottom frame are installed.

[0013] By opening the lamp holder on the surface of the circuit board, the light beam A emitted by the lamp holder can be effectively intercepted in the light halo generated by the single lens collimation through the tooth-eliminating groove, the halo and the energy of the halo are effectively reduced, the light spot is optimized, and use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structural schematic view of the utility model;

[0015] Figure 2 It is the structural schematic view of the connection of the bottom frame, the tooth-eliminating groove and the fixing frame of the utility model;

[0016] Figure 3 It is the structural schematic view of the fixing frame and the bottom frame of the utility model from the top;

[0017] Figure 4 It is the structural schematic view of the upper cover of the utility model from the top;

[0018] Figure 5 It is the structural schematic view of the utility model from the front;

[0019] Figure 6 It is the schematic view of the light emission of the lamp holder of the utility model.

[0020] In the drawing: 1, fixing frame; 2, upper cover; 3, bottom frame; 4, bolt; 5, mounting cylinder; 6, light channel groove; 7, tooth-eliminating groove; 8, circuit board; 9, lamp holder; 10, concave frame; 11, mounting column; 12, threaded groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: the emission light channel of laser radar, comprising: fixed frame 1, the surface of the fixed frame 1 is provided with bottom frame 3, the top of the bottom frame 3 is provided with upper cover 2;

[0023] Circuit board 8, the circuit board 8 is arranged in the inside of bottom frame 3, one side of the circuit board 8 is provided with lamp holder 9, the surface of the bottom frame 3 and upper cover 2 is opened with light channel groove 6, the inside of the light channel groove 6 is provided with tooth elimination mechanism, and the wire harness emitted by the tooth elimination groove 7 of the tooth elimination mechanism is adjusted.

[0024] The tooth elimination groove 7 is arranged in the light channel groove 6 of the surface of bottom frame 3 and upper cover 2, the light channel groove 6 is integrally formed between bottom frame 3 and upper cover 2, and the tooth elimination groove 7 is sawtooth-shaped, which can effectively reduce halo and the energy of halo, and optimize light spot.

[0025] The inside of the bottom frame 3 is connected with concave frame 10, the circuit board 8 is inserted in the inside of concave frame 10, and the concave frame 10 is integrally formed between the bottom frame 3, and the concave frame 10 can be installed and disassembled to the circuit board 8.

[0026] The surface of the fixed frame 1 is connected with mounting cylinder 5, and the mounting cylinder 5 is integrally formed between the fixed frame 1.

[0027] The surface of the upper cover 2 is opened with thread groove 12, and the thread groove 12 is integrally formed between the upper cover 2, the inside of the bottom frame 3 is connected with mounting column 11, and the mounting column 11 is integrally formed between the bottom frame 3, and the thread groove 12 is aligned with the mounting column 11, the inside of the thread groove 12 is connected with bolt 4, and the bolt 4 passes through the thread groove 12 and enters the inside of the mounting column 11, and the bolt 4 passes through the thread groove 12 and enters the inside of the mounting column 11, which can install the upper cover 2 and the bottom frame 3.

[0028] Specific, use, by the circuit board 8 is inserted in the bottom frame 3 inside the concave frame 10, let the concave frame 10 sliding in the concave frame 10 inside, form installation, and the lamp holder 9 of the circuit board 8 side and the light channel groove 6 between the upper cover 2, bottom frame 3 alignment, then cover the upper cover 2, let the surface of the upper cover 2 screw groove 12 and the surface of the installation column 11 inside the bottom frame 3 alignment, then screw in the bolt 4, let the bolt 4 through the screw groove 12 into the installation column 11 inside the bottom frame 3, on the upper cover 2 and bottom frame 3 installation;

[0029] By opening the lamp holder 9 on the surface of the circuit board 8, and the light beam A emitted by the lamp holder 9 will be effectively intercepted by the toothless groove 7 through single lens collimation, producing halo, effectively reducing halo and halo energy, optimizing the light spot (such as Figure 6 As shown), convenient for use.

[0030] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A transmit optical channel of a lidar, characterized by, Include: The surface of the fixed frame (1) is provided with a bottom frame (3), and the top of the bottom frame (3) is provided with an upper cover (2); The circuit board (8) is arranged in the inside of the bottom frame (3), one side of the circuit board (8) is provided with a lamp holder (9), the surface of the bottom frame (3) and the upper cover (2) is opened with a light emitting channel groove (6), the inside of the light emitting channel groove (6) is provided with a tooth elimination mechanism, the wire harness emitted by the lamp holder (9) is adjusted through the tooth elimination groove (7) of the tooth elimination mechanism.

2. The transmitting optical channel of a laser radar according to claim 1, wherein, The tooth elimination groove (7) is arranged in the light emitting channel groove (6) of the surface of the bottom frame (3) and the upper cover (2), and the tooth elimination groove (7) is sawtooth-shaped.

3. The transmitting optical channel of the laser radar according to claim 1, wherein, The inside of the bottom frame (3) is connected with a concave frame (10), and the circuit board (8) is inserted into the inside of the concave frame (10).

4. The transmitting optical channel of the laser radar according to claim 1, wherein, The surface of the fixed frame (1) is connected with a mounting cylinder (5).

5. The transmitting optical channel of a laser radar according to claim 1, wherein, The surface of the upper cover (2) is opened with a threaded groove (12), the inside of the bottom frame (3) is connected with a mounting column (11), and the threaded groove (12) is aligned with the mounting column (11), the inside of the threaded groove (12) is connected with a bolt (4), and the bolt (4) passes through the threaded groove (12) and enters the inside of the mounting column (11).

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