Large-scale metering-grade industrial-grade multifunctional three-dimensional scanning instrument

By designing a large-scale metrology-grade industrial-grade multifunctional 3D scanning instrument, using two sets of cameras and lasers, and combining near-infrared lightless scanning technology, the problems of small scanning area and blue light hazards of traditional 3D scanners are solved, and efficient and safe large-area scanning is achieved.

CN223319751UActive Publication Date: 2025-09-09HOLON THREE-DIMENSIONAL TECH (SHEN ZHEN) CO LTD
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Patent Information

Application Number
CN202422741636.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-09
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Traditional 3D scanners have a small and limited scanning area, slow scanning speed, and blue light scanning is harmful to the human eye.

Method used

A large-scale metrological-grade industrial multifunctional 3D scanning instrument has been designed. It uses two sets of cameras and lasers to increase the scanning area to 1mx1m or 2mx2m. It combines near-infrared lightless scanning technology to reduce the number of marking points and connects to the computer through a 20-meter data transmission optical fiber to achieve fast and efficient scanning.

Benefits of technology

The scanning area is greatly increased, the scanning speed is improved, the manual operation time is reduced, the operator's eye health is protected, and it has strong adaptability and is suitable for high-precision scanning of extra-large workpieces.

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Abstract

The utility model belongs to the technical field of intelligent manufacturing equipment, in particular to a large-scale metering-level industrial-level multifunctional three-dimensional scanning instrument, which comprises a left shell, a right shell and a top cover, the right shell is arranged at the side end of the left shell, and the top cover is arranged at the top ends of the left shell and the right shell. Through the arrangement of the camera, the key, the laser, the breathing lampshade, the PCB and the tail plug board, when the device is used, an operator controls the camera and the laser through the key, auxiliary positioning is carried out by pasting mark points (Mark points with the specifications of 20 inside and 30 outside) on a workpiece needing to be measured, and a computer is connected to the device through a 20 m data transmission optical fiber; an identification point is pasted on a workpiece, light-free scanning is started by standing at the position 1-2 m away from the workpiece, the space coordinate position is determined in advance through the identification point, the angle can be freely switched, scanning data are imaged on a computer in real time through a data transmission line, the scanning area reaches up to 2 m * 2 m (1 m * 1 m can be selected), and three-dimensional data are rapidly obtained.
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Description

Technical Field

[0001] The utility model relates to the technical field of intelligent manufacturing equipment, in particular to a large-scale metrological and industrial-grade multifunctional three-dimensional scanning instrument. Background Art

[0002] A 3D scanner is a scientific instrument used to detect and analyze the shape and appearance of real-world objects or environments, including their geometry, color, surface albedo, and other properties. This data is often used in 3D reconstruction calculations to create digital models of real-world objects in the virtual world. 3D scanners rely on a variety of technologies, each with its own advantages and disadvantages, and varying costs and prices.

[0003] With the rapid development of technologies such as 3D printing, virtual reality, and augmented reality, the demand for 3D scanning technology is increasing.

[0004] Traditional 3D scanners have the following shortcomings:

[0005] 1. Small scanning area; slow scanning speed;

[0006] 2. The control line is short and the scanning area is limited;

[0007] 3. Long-term blue light scanning is harmful to human eyes;

[0008] 4. Oversized workpiece and poor precision. Utility Model Content

[0009] In response to the shortcomings of the existing technology, the utility model provides a large-scale metrological-grade industrial-grade multifunctional three-dimensional scanning instrument, which solves the current problems of small scanning area, regional limitations, and blue light being harmful to human eyes.

[0010] To achieve the above objectives, the present invention provides the following technical solution: a large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning instrument, comprising a left housing, a right housing, and a top cover, wherein the right housing is disposed at a side end of the left housing, the top cover is disposed at the top ends of the left and right housings, a base is disposed at the bottom end of the left housing, and a rubber pad is disposed at the lower end of the base;

[0011] A camera is provided between the left housing and the right housing, a frame is provided at the lower end of the camera, a button is provided at the front end of the frame, a tail plug board is provided in front of the bottom end of the frame, and a PCB board is provided below the tail plug board;

[0012] The camera also includes a light source cover, a breathing lamp cover, and a breathing lamp stand. The light source cover is clamped on the outer end surface of the camera, the breathing lamp cover is clamped on the rear end of the camera, and the breathing lamp stand is movably connected between the left shell and the right shell.

[0013] As a preferred technical solution of the present invention, the left shell further includes a handle rubber pad and a foot pad, the handle rubber pad is adhered to the outer end surface of the left shell, and the foot pad is adhered to the bottom end surface of the left shell.

[0014] As a preferred technical solution of the present invention, the structural distribution of the right shell and the left shell are exactly the same, and a movable connection relationship is established in the opposite distribution, and the relatively contacting sides thereof are tightly fitted.

[0015] As a preferred technical solution of the present invention, the rack further includes a laser and a laser baffle. The laser is fixedly mounted on the middle side of the rack, and the laser baffle is sleeved on the outer end face of the laser.

[0016] As a preferred technical solution of the present invention, the key further includes a key PCB board and a cover plate, the key PCB board is movably connected to the rear end of the key, and the cover plate is plugged into the rear end of the key PCB board.

[0017] As a preferred technical solution of the present invention, the key assembly step is to first fix the key and the key PCB board with screws, and then buckle them with a cover.

[0018] As a preferred technical solution of the present invention, a hollow structure distributed up and down is provided between the left shell and the right shell, wherein a handle rubber pad is also provided on the outside of the hollow structure near the lower end.

[0019] Compared with the existing technology, the present invention provides a large-scale metrological and industrial-grade multifunctional 3D scanning instrument with the following beneficial effects:

[0020] This is a large-scale metrology-grade, industrial-grade, multifunctional 3D scanner. It is equipped with a camera, buttons, laser, breathing lamp, PCB board, and tail plug board. When using the device, the operator controls the camera and laser through buttons, and assists in positioning by attaching marking points (mark points with a specification of 20 inside and 30 outside) on the workpiece to be measured. A 20m data transmission optical fiber is used to connect the computer to the device. The operator attaches the marking points to the workpiece, starts the scanner, and begins dark scanning at a distance of 1-2 meters from the workpiece. The spatial coordinates are set in advance by the marking points. The scanning angle and direction can be switched at will. The scanned data is imaged in real time on the computer through the data transmission line. The scanning area is up to 2 meters x 2 meters (optionally 1 meter x 1 meter), and 3D data can be quickly acquired.

[0021] The above settings can make the device have the following beneficial effects:

[0022] Through the cooperation of two sets of cameras and lasers, the scanning area is increased to 1mx1m, 2mx2m. Different workpieces can be switched to different modes, and the scanning speed is greatly improved, which can easily handle super-large workpieces. The number of marking points is reduced, which reduces manual operation time. The 8000 nanometer pixel near-infrared lightless scanning is eye-protective and safer to operate. It is portable and can be used with a mobile power supply. It is not affected by the environment and can be scanned at any time. The data transmission fiber can reach 20 meters. It can be switched back and forth according to different scenes. It has strong adaptability and switches the photogrammetry mode to achieve high-precision and efficient scanning of super-large workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the side end structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the split structure of the left and right shells of the utility model;

[0027] Figure 5 This is a schematic diagram of the internal structure of the utility model.

[0028] In the figure: 1. Left shell; 101. Handle rubber pad; 102. Foot pad; 2. Right shell; 3. Top cover; 4. Camera; 401. Light source cover; 402. Breathing lamp cover; 403. Breathing lamp holder; 5. Rack; 501. Laser; 502. Laser baffle; 6. Button; 601. Button PCB board; 602. Cover; 7. Tail plug board; 8. PCB board; 9. Base; 10. Rubber pad. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] In this embodiment: a large-scale metrological-grade industrial-grade multifunctional three-dimensional scanning instrument includes a left housing 1, a right housing 2, and a top cover 3. The right housing 2 is arranged at the side end of the left housing 1, and the top cover 3 is arranged at the top of the left housing 1 and the right housing 2. A base 9 is provided at the bottom end of the left housing 1, and a rubber pad 10 is provided at the lower end of the base 9;

[0031] A camera 4 is provided between the left housing 1 and the right housing 2. A frame 5 is provided at the lower end of the camera 4. A button 6 is provided at the front end of the frame 5. A tail plug board 7 is provided in front of the bottom end of the frame 5. A PCB board 8 is provided below the tail plug board 7.

[0032] The camera 4 also includes a light source cover 401, a breathing lamp cover 402, and a breathing lamp holder 403. The light source cover 401 is snapped onto the outer end face of the camera 4, the breathing lamp cover 402 is snapped onto the rear end of the camera 4, and the breathing lamp holder 403 is movably connected between the left shell 1 and the right shell 2.

[0033] In this embodiment, the left housing 1 further includes a handle rubber pad 101 and a foot pad 102. The handle rubber pad 101 is adhered to the outer end surface of the left housing 1, and the foot pad 102 is adhered to the bottom end surface of the left housing 1. The right housing 2 has the same structural distribution as the left housing 1, and a movable connection relationship is established in the opposite distribution, and the opposite contact sides are tightly fitted.

[0034] Specifically, such as Figure 2 、 3 As shown in FIG4 , the handle rubber pad 101 is attached to the outer end surfaces of the left shell 1 and the right shell 2 , which increases friction for the operator who is not holding the device and reduces the risk of hand slipping;

[0035] In this embodiment, the frame 5 further includes a laser 501 and a laser baffle 502. The laser 501 is fixedly mounted on the side end of the middle portion of the frame 5, and the laser baffle 502 is sleeved on the outer end surface of the laser 501. The key 6 further includes a key PCB board 601 and a cover board 602. The key PCB board 601 is movably connected to the rear end of the key 6, and the cover board 602 is plugged into the rear end of the key PCB board 601. The assembly steps of the key 6 are to first fix the key 6 and the key PCB board 601 with screws, and then buckle them with the cover board 602.

[0036] Specifically, such as Figure 1 and Figure 5 As shown, the key 6 establishes a stable connection relationship through the close fit between the key PCB board 601 and the cover board 602, preventing dispersion when the external housing is subjected to vibration;

[0037] In this embodiment, a hollow structure distributed vertically is provided between the left shell 1 and the right shell 2 , wherein a handle rubber pad 101 is also provided on the outer side of the hollow structure near the lower end.

[0038] The working principle and usage process of the present invention are as follows: when the device is used, the operator controls the camera 4 and the laser 501 through the button 6, and performs auxiliary positioning by attaching marking points (mark points with specifications of 20 inside and 30 outside) on the workpiece to be measured. The computer is connected to the device through a 20m data transmission optical fiber, and the marking points are attached to the workpiece. The scanner is started and the operator starts the dark scanning at a distance of 1-2 meters from the workpiece. The spatial coordinates are set in advance through the marking points. The scanning angle and direction can be switched at will. The scanned data is imaged on the computer in real time through the data transmission line. The scanning area is up to 2 meters x 2 meters (optionally 1 meter x 1 meter), and three-dimensional data can be quickly acquired.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A large-scale metrological-grade industrial-grade multifunctional three-dimensional scanning instrument, comprising a left shell (1), a right shell (2), and a top cover (3), wherein the right shell (2) is arranged at the side end of the left shell (1), and the top cover (3) is arranged at the top end of the left shell (1) and the right shell (2), and a base (9) is arranged at the bottom end of the left shell (1), and a rubber pad (10) is arranged at the lower end of the base (9), characterized in that: A camera (4) is provided between the left housing (1) and the right housing (2); a frame (5) is provided at the lower end of the camera (4); a button (6) is provided at the front end of the frame (5); a tail plug board (7) is provided in front of the bottom end of the frame (5); and a PCB board (8) is provided below the tail plug board (7); The camera (4) further comprises a light source cover (401), a breathing lamp cover (402), and a breathing lamp stand (403); the light source cover (401) is snap-connected to the outer end surface of the camera (4); the breathing lamp cover (402) is snap-connected to the rear end of the camera (4); and the breathing lamp stand (403) is movably connected between the left shell (1) and the right shell (2).

2. A large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning instrument according to claim 1, characterized in that: The left shell (1) further comprises a handle rubber pad (101) and a foot pad (102), wherein the handle rubber pad (101) is adhered to the outer end surface of the left shell (1), and the foot pad (102) is adhered to the bottom end surface of the left shell (1).

3. The large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning device according to claim 1, characterized in that: The right shell (2) and the left shell (1) have identical structural distributions, and a movable connection relationship is established in the opposite distributions, with the opposite contacting sides being tightly fitted.

4. The large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning instrument according to claim 1, characterized in that: The frame (5) further comprises a laser (501) and a laser baffle (502); the laser (501) is fixedly mounted on a side end of a middle portion of the frame (5); and the laser baffle (502) is sleeved on an outer end surface of the laser (501).

5. The large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning device according to claim 1, characterized in that: The key (6) further comprises a key PCB board (601) and a cover board (602), wherein the key PCB board (601) is movably connected to the rear end of the key (6), and the cover board (602) is plugged into the rear end of the key PCB board (601).

6. The large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning device according to claim 1, characterized in that: The step of assembling the button (6) is to first fix the button (6) and the button PCB board (601) with screws, and then buckle them with the cover plate (602).

7. The large-scale metrology-grade industrial-grade multifunctional three-dimensional scanning device according to claim 1, characterized in that: A hollow structure distributed up and down is provided between the left shell (1) and the right shell (2), wherein a handle rubber pad (101) is also provided on the outside of the hollow structure near the lower end.