Tunnel RGB laser projection positioning device

Abstract

The utility model belongs to the technical field of laser projection positioning, and aims to solve the problems of low excavation positioning efficiency and precision in previous tunnel excavation construction. According to the tunnel RGB laser projection positioning device, a machine box is arranged at the upper end of an XY double-axis fine adjustment sliding table, and angle adjustment of the machine box can be achieved through a fine adjustment structure of the XY double-axis fine adjustment sliding table; the bottom end of the XY double-axis fine adjustment sliding table is connected with a base of the instrument through a base connector; bodies of the laser galvanometer assembly, the RGB laser assembly and the control panel are all arranged in the case, the surface of the case is provided with an interface used for being externally connected with a controller, the laser galvanometer assembly, the RGB laser assembly and the camera are all connected with the control panel, and the control panel is connected with the external controller. According to the device, target positioning point information of an excavation face is obtained through the high-definition camera, color and position matching and rapid scanning are synchronously carried out on all positioning points through the laser galvanometer assembly and the RGB laser assembly, pattern projection is achieved, and the excavation positioning efficiency and precision are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser projection positioning technical field, concretely relates to a tunnel RGB laser projection positioning device. BACKGROUND

[0002] Galvanometer is a kind of special swing motor, but unlike rotary motor, its rotor can not rotate like ordinary motor but only deflect, and the deflection angle is proportional to current, similar to galvanometer, so galvanometer is also called galvanometric scanner. Because it is used for light path switching in some double-beam spectrophotometers, the speed is extremely fast. When working, the step action looks like high-speed vibration, so it is named as galvanometer.

[0003] The more mature application of galvanometer is laser scanning. Laser galvanometer is composed of optical scanning head, electronic driving amplifier and optical mirror piece, and forms XY plane movement by the reflection of two galvanometers, and it is a kind of special movement device specially used in laser processing field. Scanning galvanometer system is a closed-loop control system composed of processor, power amplifier, galvanometer motor, photoelectric sensor and signal demodulator. The two form a high-precision and high-speed servo control system. Two galvanometers rotate or vibrate, and the matching galvanometer control system makes the laser beam can move and focus to different positions in different directions, realizes accurate marking, cutting or carving. Galvanometer and control system can realize the positioning of laser beam on workpiece surface and guide along the predetermined path, can make laser beam move on workpiece surface at very high speed, also can accurately control the path and speed of laser beam, realize complex pattern, text or graphic marking. It can also be used to adjust the focal length of laser beam to ensure clear marking on workpiece surface at different heights, and can realize marking on different shapes and curved surfaces of three-dimensional objects by using multiple galvanometers.

[0004] At present, in tunnel excavation construction, the positioning efficiency and precision are low, and there lacks a tunnel RGB laser projection positioning device. UTILITY MODEL CONTENT

[0005] The utility model provides a tunnel RGB laser projection positioning device to solve at least one technical problem existing in prior art.

[0006] The utility model discloses adopt following technical scheme realization: a kind of tunnel RGB laser projection positioning device, including XY double shaft fine adjustment sliding table, laser galvanometer subassembly, RGB laser component, high-definition camera, case, base connector and control panel;The upper end of XY double shaft fine adjustment sliding table is provided with the angle adjustment of case by the fine adjustment structure of XY double shaft fine adjustment sliding table;The bottom end of XY double shaft fine adjustment sliding table is connected with the base of instrument by base connector;The body of laser galvanometer subassembly, RGB laser component and control panel are all arranged in case, high-definition camera is arranged on the surface of case, the surface of case is provided with the interface for external controller, laser galvanometer subassembly, RGB laser component and camera are connected with control panel, and control panel is connected with external controller.

[0007] Preferably, the XY double shaft fine adjustment sliding table includes an X-axis fine adjustment sliding table and a Y-axis fine adjustment sliding table, the X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table are identical in structure, and the Y-axis fine adjustment sliding table is installed at the lower end of the X-axis fine adjustment sliding table.

[0008] The X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table each include a workbench, a brake hand wheel, a worm gear, and a base; the workbench with an arc-shaped outer convex structure is movably connected with the base with an arc-shaped inner concave structure, the angle adjustment of the workbench relative to the base is realized by the worm gear, and the brake hand wheel is used for locking.

[0009] The case is arranged at the upper end of the workbench of the X-axis fine adjustment sliding table, the base of the X-axis fine adjustment sliding table is connected at the upper end of the workbench of the Y-axis fine adjustment sliding table, and the base of the Y-axis fine adjustment sliding table is connected with the base connector.

[0010] Preferably, the laser galvanometer subassembly includes an XY double shaft laser galvanometer motor, an X-axis reflecting mirror, a Y-axis reflecting mirror, and a laser galvanometer driving board, the laser galvanometer driving board is connected with the control panel, the XY double shaft laser galvanometer motor includes an X-axis galvanometer motor and a Y-axis galvanometer motor, and the XY double shaft laser galvanometer motor drives the X-axis reflecting mirror and the Y-axis reflecting mirror to adjust the angle under the action of the laser galvanometer driving board.

[0011] Preferably, the RGB laser component includes a laser, a laser driving board, and a collimating lens, the laser driving board is connected with the control panel, the laser is connected with the laser driving board, and the laser is connected with the collimating lens through an FC optical fiber interface and an optical fiber.

[0012] Preferably, the high-definition camera adopts a binocular structure, is used for acquiring the information of a positioning point of a target to be excavated, includes a lens and a high-definition sensor, and the high-definition sensor is connected with the control panel.

[0013] Preferably, the control panel is integrated with an RJ45 data interface, a liquid crystal display, a function adjusting wheel, and a TF flash memory card slot on the surface of the case, and the control panel is connected with the external controller through the RJ45 data interface.

[0014] Preferably, a serial port Bluetooth module and a power module are connected to the control board, the serial port Bluetooth module comprises a processor and a Bluetooth indicator light, and the power module comprises a DC5521 interface, an output port and a power heat sink, the DC5521 interface is connected with an external power supply, and the output port is connected with the control board.

[0015] Preferably, the upper end of the case is provided with a handle, the upper end of the handle is provided with a centering hole and a door, the surface of the case is provided with a heat dissipation grid hole, and the inside of the case is provided with a heat dissipation fan and a heat dissipation fin at a position corresponding to the heat dissipation grid hole.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The device obtains the target positioning point information of the excavation face through the high-definition camera, matches the colors and positions of the positioning points through the laser galvanometer assembly and the RGB laser assembly, performs rapid scanning, realizes the projection of the graphics, and improves the excavation positioning efficiency and precision. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0019] Figure 1 It is the front view of the overall structure of the embodiment;

[0020] Figure 2 It is the side view of the overall structure of the embodiment;

[0021] Figure 3 It is the top view of the overall structure of the embodiment;

[0022] Figure 4 It is the back view of the overall structure of the embodiment;

[0023] Figure 5 It is the perspective view of the overall structure of the embodiment;

[0024] Figure 6 It is the connection diagram of the control device of the embodiment;

[0025] Figure 7 It is the front view of the XY double-shaft fine adjustment sliding table of the embodiment;

[0026] Figure 8 It is the top view of the XY double-shaft fine adjustment sliding table of the embodiment;

[0027] Figure 9 is a schematic diagram of a high-definition camera of the present embodiment;

[0028] Figure 10 is a schematic diagram of the connection of the XY dual-axis laser galvanometer motor, X-axis reflecting mirror piece, and Y-axis reflecting mirror piece of the present embodiment;

[0029] Figure 11 is a schematic diagram of a laser galvanometer drive board of the present embodiment;

[0030] Figure 12 is a schematic diagram of a collimating lens lens of the present embodiment;

[0031] Figure 13 is a schematic diagram of a laser of the present embodiment;

[0032] Figure 14 is a schematic diagram of a laser drive board of the present embodiment;

[0033] Figure 15 is a schematic diagram of a control board of the present embodiment;

[0034] Figure 16 is a schematic diagram of a serial Bluetooth module of the present embodiment;

[0035] Figure 17 is a schematic diagram of a power module of the present embodiment.

[0036] In the figure: 1-XY dual-axis fine adjustment sliding table; 101-workbench surface; 102-brake hand wheel; 103-worm and gear; 104-base; 105-sliding block; 106-sliding rail; 201-X-axis galvanometer motor; 202-Y-axis galvanometer motor; 203-X-axis reflecting mirror piece; 204-Y-axis reflecting mirror piece; 205-laser galvanometer drive board; 301-laser; 302-laser drive board; 303-collimating lens lens; 304-FC optical fiber interface; 4-high-definition camera; 5-chassis; 6-base connector; 7-control board; 701-RJ45 data interface; 702-liquid crystal display screen; 703-function adjustment wheel; 704-TF flash memory card slot; 8-serial Bluetooth module; 801-processor; 802-Bluetooth indicator light; 9-power module; 901-DC5521 interface; 902-output port; 903-power heat sink; 10-handles; 11-aiming center; 12-illuminating door; 13-radiation grating hole; 14-radiation fan; 15-radiation fin; 16-laser projection port; 17-power fuse; DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with 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 of the utility model, all other embodiments obtained by ordinary skilled in the art without creative work belong to the range protected by the utility model.

[0038] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions for implementing the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should fall within the range covered by the technical content disclosed by the utility model. It should be noted that in the specification, relationship terms such as first and second are only used to distinguish one entity from another, and do not necessarily require or imply any actual relationship or order between the entities.

[0039] The utility model provides an embodiment:

[0040] As Figures 1 to 17 shown, a tunnel RGB laser projection positioning device, including XY double axle fine adjustment sliding table 1, laser galvanometer assembly, RGB laser assembly, high definition camera 4, case 5, base connector 6 and control panel 7, case 5 is set in the upper end of XY double axle fine adjustment sliding table 1, and the angle adjustment of case 5 can be realized through the fine adjustment structure of XY double axle fine adjustment sliding table 1, the bottom of XY double axle fine adjustment sliding table 1 is connected with the base of instrument through base connector 6, the body of laser galvanometer assembly, RGB laser assembly, control panel 7 are all set in case 5, high definition camera 4 is set in the surface of case 5, the surface of case 5 is provided with the interface for external controller, laser galvanometer assembly, RGB laser assembly and camera 4 are connected with control panel 7, control panel 7 is connected with external controller.

[0041] In this embodiment, the XY double-axis fine adjustment sliding table 1 includes an X-axis fine adjustment sliding table and a Y-axis fine adjustment sliding table, the X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table are identical in structure and the Y-axis fine adjustment sliding table is installed at the lower end of the X-axis fine adjustment sliding table; the X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table each include a workbench 101, a brake hand wheel 102, a worm gear 103, and a base 104; the workbench 101 with an arc-shaped outer convex structure at the bottom end is movably connected with the base 104 with an arc-shaped inner concave structure at the upper end, the angle adjustment of the workbench 101 relative to the base 104 is realized by the worm gear 103 and locked by the brake hand wheel 102; wherein the case 5 is arranged at the upper end of the workbench 101 of the X-axis fine adjustment sliding table, the base 104 of the X-axis fine adjustment sliding table is connected at the upper end of the workbench 101 of the Y-axis fine adjustment sliding table, and the base 104 of the Y-axis fine adjustment sliding table is connected with the base connector 6. The XY double-axis fine adjustment sliding table 1 is used to realize the adjustment function of the vertical direction and the horizontal inclination direction (the horizontal direction adjustment is realized by the base) when the instrument coarsely aims at the excavation working face. The models of the X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table are GFG60-60, which are combined into GFWG60-60.

[0042] The laser galvanometer assembly includes an XY double-axis laser galvanometer motor, an X-axis reflecting mirror piece 203, a Y-axis reflecting mirror piece 204, and a laser galvanometer drive board 205, the laser galvanometer drive board 205 is connected with the control board 7, the XY double-axis laser galvanometer motor includes an X-axis galvanometer motor 201 and a Y-axis galvanometer motor 202, the laser galvanometer drive board 205 is used to decode signals and drive the XY double-axis laser galvanometer motor to drive the X-axis reflecting mirror piece 203 and the Y-axis reflecting mirror piece 204 to adjust the angle, so as to realize the change of the direction of the input laser beam and project to the coordinate position.

[0043] The RGB laser assembly includes a laser 301, a laser drive board 302, and a collimating lens 303, the laser drive board 302 is connected with the control board 7, the laser 301 is connected with the laser drive board 302, and the laser 301 is connected with the collimating lens 303 through an FC optical fiber interface 304 and an optical fiber. The laser 301 is an RGB pumped solid full-color laser, which is used to emit laser, and includes three kinds of color pumping fixed light sources, through the decoding of the laser drive board, the corresponding color intensity ratio is distributed, and after emitting light, the light sources are mixed through a light-transmitting reflecting mirror piece, and the laser beam of the required color is realized after output through the FC optical fiber interface. The collimating lens 303 is used to collimate the diffused laser to a diffusion angle less than 0.5 mrad, so as to realize the collimation function of the laser. The surface of the case 5 is provided with a laser projection port, which is composed of a high-definition plane mirror, is used to protect the laser galvanometer, and the processed laser is projected to the tunnel excavation working face from the port.

[0044] The high-definition camera 4 adopts a binocular structure, is used for acquiring target positioning point information of excavation, and acquires an angle relationship of the positioning points through image analysis, so as to determine a relative relationship of the instrument, and includes a 2.8mm lens and a high-definition sensor. The high-definition sensor is connected with the control board 7.

[0045] The control board 7 is integrated with an RJ45 data interface 701, a liquid crystal display screen 702, a function adjusting wheel 703 and a TF flash card slot 704 on the surface of the case 5. The control board 7 is connected with an external controller through the RJ45 data interface 701. The model of the control board 7 is FB4-SE. The TF flash card slot 704 is used for reading a TF flash card. The liquid crystal display screen 702 is used for displaying necessary information of a program board. The function adjusting wheel 703 is used for realizing selection and determination functions of the program board.

[0046] The control board 7 is connected with a serial port Bluetooth module 8 and a power module 9. The serial port Bluetooth module 8 includes a processor 801 and a Bluetooth indicator 802. The power module 9 includes a DC5521 interface 901, an output port 902 and a power heat sink 903. The DC5521 interface 901 is connected with an external power supply. The output port 902 is connected with the control board 7. The surface of the case 5 is provided with a power supply fuse for installation and replacement of a fuse tube. The serial port Bluetooth module 8 is an HC-04 double-protocol SPP & BLE5.0 serial port Bluetooth module, which is used for data communication with an external control device through Bluetooth.

[0047] The upper end of the case 5 is provided with a handle 10 for safely and conveniently moving the instrument during disassembly and assembly of the instrument. The upper end of the handle 10 is provided with a centering device 11 and a sighting device 12 for conveniently roughly aiming at a tunnel excavation working face. The surface of the case 5 is provided with heat dissipation grid holes 13 for dissipating heat generated during operation of the instrument outside the case. The inside of the case 5 is provided with a heat dissipation fan 14 and a heat sink 15 corresponding to the position of the heat dissipation grid holes 13. The heat sink 15 is used for guiding heat generated in an internal element working chamber out of the chamber. The heat dissipation fan 14 is used for accelerating heat dissipation.

[0048] Specific operation steps are as follows:

[0049] 1. After the instrument is installed and coarsely adjusted, target positioning point information of an excavation face is acquired through the high-definition camera, and a PC end connected through the RJ45 is processed to determine a relative relationship of the instrument.

[0050] 2. After being processed by the PC end, a series of target positioning point coordinates and color attributes are output and transmitted to a laser driver board and a laser galvanometer driver board respectively.

[0051] 3. The laser driver board decodes corresponding colors, drives RGB modulation of the corresponding colors, and then the laser outputs laser to a collimating lens.

[0052] 4. The collimating lens collimates the diffused laser and transmits the laser to a laser galvanometer assembly.

[0053] 5. The laser galvanometer driving board receives the positioning point coordinates provided by the PC, decodes and drives the XY double-axis laser galvanometer motor to drive the reflecting mirror to offset by a corresponding angle;

[0054] 6. The laser galvanometer assembly and the RGB laser assembly are matched in color and position for each positioning point, and the matching is quickly scanned to realize the projection of the pattern.

[0055] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tunnel RGB laser projection positioning device, characterized in that: The XY double-axis fine adjustment sliding table (1), a laser galvanometer assembly, an RGB laser assembly, a high-definition camera (4), a case (5), a base connector (6), and a control board (7) are included. The case (5) is arranged at the upper end of the XY double-axis fine adjustment sliding table (1), and the angle of the case (5) can be adjusted through the fine adjustment structure of the XY double-axis fine adjustment sliding table (1); the bottom end of the XY double-axis fine adjustment sliding table (1) is connected to the base of the instrument through the base connector (6). The bodies of the laser galvanometer assembly, the RGB laser assembly, and the control board (7) are arranged in the case (5), the high-definition camera (4) is arranged on the surface of the case (5), the surface of the case (5) is provided with an interface for an external controller, the laser galvanometer assembly, the RGB laser assembly, and the camera (4) are connected to the control board (7), and the control board (7) is connected to the external controller.

2. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The XY double-axis fine adjustment sliding table (1) includes an X-axis fine adjustment sliding table and a Y-axis fine adjustment sliding table, the X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table are identical in structure, and the Y-axis fine adjustment sliding table is installed at the lower end of the X-axis fine adjustment sliding table. The X-axis fine adjustment sliding table and the Y-axis fine adjustment sliding table each include a workbench (101), a brake hand wheel (102), a worm gear (103), and a base (104); the workbench (101) with an arc-shaped outer convex structure is movably connected to the base (104) with an arc-shaped inner concave structure at the upper end, and the angle of the workbench (101) relative to the base (104) is adjusted through the worm gear (103) and locked by the brake hand wheel (102). The case (5) is arranged at the upper end of the workbench (101) of the X-axis fine adjustment sliding table, the base (104) of the X-axis fine adjustment sliding table is connected to the upper end of the workbench (101) of the Y-axis fine adjustment sliding table, and the base (104) of the Y-axis fine adjustment sliding table is connected to the base connector (6).

3. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The laser galvanometer assembly includes an XY double-axis laser galvanometer motor, an X-axis reflecting mirror (203), a Y-axis reflecting mirror (204), and a laser galvanometer drive board (205), the laser galvanometer drive board (205) is connected to the control board (7), the XY double-axis laser galvanometer motor includes an X-axis galvanometer motor (201) and a Y-axis galvanometer motor (202), and the XY double-axis laser galvanometer motor drives the X-axis reflecting mirror (203) and the Y-axis reflecting mirror (204) to adjust the angle under the action of the laser galvanometer drive board (205).

4. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The RGB laser assembly includes a laser (301), a laser drive board (302), and a collimating lens (303), the laser drive board (302) is connected to the control board (7), the laser (301) is connected to the laser drive board (302), and the laser (301) is connected to the collimating lens (303) through an FC optical fiber interface (304) and an optical fiber.

5. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The high-definition camera (4) adopts a binocular structure, is used for acquiring information of a positioning point of a target to be excavated, includes a lens and a high-definition sensor, and the high-definition sensor is connected to the control board (7).

6. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The control panel (7) is integrated with an RJ45 data interface (701), a liquid crystal display screen (702), a function adjusting wheel (703) and a TF flash card slot (704) on the surface of the case (5), and the control panel (7) is connected with an external controller through the RJ45 data interface (701).

7. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The control panel (7) is connected with a serial port Bluetooth module (8) and a power module (9), the serial port Bluetooth module (8) comprises a processor (801) and a Bluetooth indicator light (802), the power module (9) comprises a DC5521 interface (901), an output port (902) and a power heat sink (903), the DC5521 interface (901) is connected with an external power supply, and the output port (902) is connected with the control panel (7).

8. The tunnel RGB laser projection positioning device according to claim 1, characterized in that: The upper end of the case (5) is provided with a handle (10), the upper end of the handle (10) is provided with a centering device (11) and a door (12), the surface of the case (5) is provided with a heat dissipation grid hole (13), and the inside of the case (5) is provided with a heat dissipation fan (14) and a heat dissipation fin (15) corresponding to the position of the heat dissipation grid hole (13).

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