Indoor scene three-dimensional reconstruction shooting device

Abstract

The utility model discloses an indoor scene three-dimensional reconstruction shooting device, and specifically relates to the technical field of three-dimensional shooting, the indoor scene three-dimensional reconstruction shooting device comprises a frame plate, a linkage screw rod and a gear motor, the linkage screw rod is rotatably connected to the inner wall of the frame plate, the gear motor is fixed on one side of the frame plate, and the gear motor is used for driving the linkage screw rod to rotate; a proofreading mechanism is arranged on the outer wall of the linkage screw rod; and the calibration mechanism comprises two sleeve blocks arranged on the outer wall of the linkage screw rod. The calibration mechanism is adopted, the linkage screw drives the two sleeve blocks to move under the action of the threads, the distance between the two shooting cameras is synchronously adjusted, the shooting cameras can be adjusted to a specified angle, the rotating shaft carries the rotating block to enable the shooting cameras to transversely rotate, whether images shot by the two shooting cameras are the same or not is calibrated, and the calibration accuracy is improved. Therefore, whether a damaged shooting camera exists or not can be known, and the indoor scene three-dimensional reconstruction accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-dimensional shooting, and more specifically, to a three-dimensional reconstruction shooting device for indoor scenes. Background Art

[0002] The main purpose of the indoor scene 3D reconstruction shooting device is to accurately scan and reconstruct the indoor environment to generate a complete and accurate 3D model. The 3D reconstruction technology can create a realistic indoor environment and provide users with an immersive experience.

[0003] In the existing public documents, patent publication number CN209345300U discloses a shooting device for three-dimensional reconstruction of indoor scenes based on binocular vision. The shooting device is fixed with a rotating shaft on the inner wall of the fixed frame, and the rotating shaft is movably connected with the rotating hole on the mounting frame. Two cameras are fixedly installed inside the mounting frame through a shaft body. The shaft bodies of the two cameras are fixedly installed on the mounting frame through bearings, and the shaft bodies extend outside the mounting frame. When in use, synchronous adjustment can be achieved, and rapid adjustment can be achieved, with high stability and time saving. The structure is simple, easy to use, simple to operate, and easy to move, which improves the overall efficiency. However, the shooting device has the following defects;

[0004] When the shooting device reconstructs the indoor scene in three dimensions, although the two cameras can be adjusted for vertical rotation, it is difficult to synchronously adjust the distance between the two cameras. Once one of the cameras is damaged, the three-dimensional data of the indoor scene captured will be wrong, and it is difficult to accurately calibrate the shooting scene data. Therefore, a shooting device for three-dimensional reconstruction of indoor scenes is needed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a three-dimensional reconstruction shooting device for indoor scenes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-dimensional reconstruction and shooting device for indoor scenes, comprising a frame plate, a linkage screw and a reduction motor, wherein the linkage screw is rotatably connected to the inner wall of the frame plate, the reduction motor is fixed to one side of the frame plate, and the reduction motor is used to drive the linkage screw to rotate, and a proofreading mechanism is provided on the outer wall of the linkage screw; the proofreading mechanism comprises two sleeve blocks arranged on the outer wall of the linkage screw, both of the two sleeve blocks are threadedly connected to the linkage screw, and a connecting block is welded on one side of each sleeve block; a driving motor is fixedly installed on the top of the connecting block, a rotating shaft is coaxially connected to the output end of the driving motor, a rotating block is welded on one end of the rotating shaft, a shooting camera is fixedly installed on the top of the rotating block, and the shooting camera is used for three-dimensional reconstruction and shooting of indoor scenes, and a rotating motor is fixedly installed on the bottom end of the frame plate.

[0007] Preferably, the two sleeve blocks are both slidably connected to the inner wall of the frame plate, the two threads on the outer wall of the linkage screw are opposite and symmetrically opened, one end of the linkage screw is coaxially connected to the output end of the reduction motor, the linkage screw and the frame plate are both made of stainless steel, a support block is welded to the top of each sleeve block, and the support block is rotatably connected to the rotating block.

[0008] When the technical solution is used, the linkage screw is driven to rotate by the reduction motor, the distance between the two sleeve blocks increases, the sleeve block drives the connecting block to move, the rotating shaft carries the rotating block to move the shooting camera, the distance between the two shooting cameras increases, the driving motor is started to drive the rotating shaft to rotate, the rotating block rotates on the supporting block, the shooting camera can be adjusted to a specified angle, and both shooting cameras can be adjusted to a specified shooting angle;

[0009] The frame is driven to rotate by a rotating motor, and the two sets of blocks respectively drive the two connecting blocks to rotate. The driving motor carries the rotating shaft to achieve lateral rotation. The two cameras can achieve 360-degree calibration rotation. Whether the 3D reconstructed video data of the indoor scene collected by the two cameras are the same, if one of the cameras is damaged, it can be known immediately.

[0010] Preferably, a support assembly is installed below the rotating motor; the support assembly includes a pillar fixedly installed below the rotating motor, a reinforcement pillar welded to the bottom end of the pillar, and a support chassis fixedly connected to the bottom end of the reinforcement pillar; a collar is fixedly installed on the outer wall of the reinforcement pillar, and a plurality of brackets are welded to the outer wall of the collar, and a sleeve block is fixedly installed on one end of each bracket; an inclined bracket is welded to the inner wall of the sleeve block, and a bottom block is fixedly installed on the bottom end of the inclined bracket, the cross-sectional area of ​​the support chassis is larger than the cross-sectional area of ​​the connecting pillar, the center point of the connecting pillar and the center point of the support chassis are on the same vertical line, the plurality of inclined brackets are integrated with the pillar by die-casting, and the angle between the bracket and the collar is set to eighty degrees.

[0011] When the technical solution is used, the connecting column is provided with vertical support by supporting the chassis, and the column support ring is reinforced. The three brackets can respectively support the three frame blocks. The bottom block provides support for the bottom end of the inclined bracket. The three inclined brackets can be reinforced and supported on the outer wall of the pillar. The pillar can realize both bottom support and multi-point inclined support of the outer wall.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model adopts a calibration mechanism, which drives the two sets of blocks to move under the action of the thread through the linkage screw, and the distance between the two sets of blocks becomes larger. The connecting block carries the driving motor to move the rotating shaft, and the distance between the two shooting cameras is adjusted synchronously. The driving motor is started to drive the rotating shaft to rotate, and the shooting camera can be adjusted to a specified angle. The rotating motor drives the frame plate to rotate, and the two sets of blocks drive the two connecting blocks to rotate respectively. The rotating shaft carries the rotating block to rotate the shooting camera horizontally, which can calibrate whether the images captured by the two shooting cameras are the same. If they are the same, the shooting camera is not damaged. If they are different, the shooting camera is damaged, thereby improving the accuracy of 3D reconstruction of indoor scenes;

[0014] 2. Through the support assembly, the support chassis provides vertical support for the connecting column, the connecting column provides support force for the reinforcement column, the collar supports the three brackets synchronously, and the three brackets can support the three frame blocks respectively. The three inclined brackets can reinforce the support on the outer wall of the pillar. The pillar provides stable support for the bottom end of the rotating motor. The pillar can realize bottom support and multi-point inclined support on the outer wall, thereby increasing the stability of the bottom end of the rotating motor and improving shooting stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the indoor scene three-dimensional reconstruction shooting device of the present utility model.

[0016] Figure 2 It is a schematic diagram of the top plan structure of the indoor scene three-dimensional reconstruction shooting device of the utility model.

[0017] Figure 3 It is a schematic diagram of the partial structure of the connection between the frame plate and the linkage screw rod of the utility model.

[0018] Figure 4 It is a schematic diagram of the local structure of the connection between the rotating block and the shooting camera of the utility model.

[0019] Figure 5 It is a schematic diagram of the structure of the indoor scene three-dimensional reconstruction shooting device of the utility model when viewed from above.

[0020] Figure 6 It is a schematic diagram of the local structure of the connection between the pillar and the reinforcement column of the utility model.

[0021] The accompanying drawings are marked as follows: 1. frame plate; 2. linkage screw; 3. reduction motor; 4. sleeve block; 5. connecting block; 6. driving motor; 7. rotating shaft; 8. rotating block; 9. shooting camera; 10. supporting block; 11. rotating motor; 12. pillar; 13. reinforcement column; 14. connecting column; 15. supporting chassis; 16. sleeve ring; 17. bracket; 18. sleeve frame block; 19. tilt bracket; 20. bottom block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] As attached Figure 1-6 A three-dimensional reconstruction shooting device for indoor scenes is shown, and a proofreading mechanism is provided on the indoor scene three-dimensional reconstruction shooting device. The setting of the proofreading mechanism can calibrate whether the images taken by the two shooting cameras 9 have damaged equipment, thereby improving the accuracy of the three-dimensional reconstruction of the indoor scene. The specific structure of the proofreading mechanism is set as follows:

[0024] In this technical solution, as shown in the attached Figure 1-3 As shown, the proofreading mechanism includes two sleeve blocks 4 arranged on the outer wall of the linkage screw 2, the two sleeve blocks 4 are threadedly connected to the linkage screw 2, and a connecting block 5 is welded on one side of each sleeve block 4; a driving motor 6 is fixedly installed on the top of the connecting block 5, a rotating shaft 7 is coaxially connected to the output end of the driving motor 6, a rotating block 8 is welded on one end of the rotating shaft 7, a shooting camera 9 is fixedly installed on the top of the rotating block 8, and the shooting camera 9 is used for three-dimensional reconstruction shooting of indoor scenes, and a rotating motor 11 is fixedly installed on the bottom end of the frame plate 1;

[0025] When the indoor scene 3D reconstruction shooting device of the technical solution is used;

[0026] First, the linkage screw 2 is driven to rotate by the reduction motor 3, and the linkage screw 2 rotates inside the frame plate 1. At the same time, the linkage screw 2 drives the two sleeve blocks 4 to move under the action of the thread, and the distance between the two sleeve blocks 4 becomes larger. The sleeve block 4 carries the support block 10 to move. At the same time, the sleeve block 4 drives the connection block 5 to move. The connection block 5 carries the driving motor 6 to move the rotating shaft 7, and the rotating shaft 7 carries the rotating block 8 to move the shooting camera 9. The distance between the two shooting cameras 9 becomes larger, and the distance between the two shooting cameras 9 is adjusted synchronously. Then, the driving motor 6 is started to drive the rotating shaft 7 to rotate, and the rotating shaft 7 carries the rotating block 8 to rotate, and the rotating block 8 rotates on the support block 10. The rotating block 8 drives the shooting camera 9 to rotate, and the shooting camera 9 can be adjusted to a specified angle, so that both shooting cameras 9 can be adjusted to a specified shooting angle;

[0027] When continuing to proofread, the frame plate 1 is driven to rotate by the rotating motor 11, and the frame plate 1 drives the linkage screw 2 to rotate the two sleeve blocks 4. The two sleeve blocks 4 respectively drive the two connecting blocks 5 to rotate. The connecting block 5 carries the driving motor 6 to rotate, and the driving motor 6 carries the rotating shaft 7 to realize lateral rotation, and the rotating shaft 7 carries the rotating block 8 to rotate the shooting camera 9 horizontally. The two shooting cameras 9 can realize a 360-degree proofreading rotation. Whether the three-dimensional reconstructed video data of the indoor scene collected by the two shooting cameras 9 are the same, it can be immediately known if one of them is damaged.

[0028] In this technical solution, as shown in the attached Figure 3 As shown, a support block 10 is welded to the top of each sleeve block 4, and the support block 10 is rotatably connected to the rotating block 8, so that the rotating block 8 can rotate on the support block 10, and the support block 10 and the sleeve block 4 are firmly connected and supported.

[0029] In this technical solution, as shown in the attached Figure 5-6 As shown, a support assembly is installed below the rotating motor 11; the support assembly includes a pillar 12 fixedly installed below the rotating motor 11, a reinforcement column 13 is welded to the bottom end of the pillar 12, and a support chassis 15 is fixedly connected to the bottom end of the reinforcement column 13; a collar 16 is fixedly installed on the outer wall of the reinforcement column 13, and a plurality of brackets 17 are welded to the outer wall of the collar 16, and a sleeve block 18 is fixedly installed on one end of each bracket 17; an inclined bracket 19 is welded to the inner wall of the sleeve block 18, and a bottom block 20 is fixedly installed at the bottom end of the inclined bracket 19, the cross-sectional area of ​​the support chassis 15 is larger than the cross-sectional area of ​​the connecting column 14, the center point of the connecting column 14 and the center point of the support chassis 15 are on the same vertical line, and the plurality of inclined brackets 19 are integrally formed with the pillar 12 by die-casting, and the angle between the bracket 17 and the collar 16 is set to eighty degrees;

[0030] According to the above technical solution, when supporting the rotating motor 11, the supporting chassis 15 provides vertical support to the connecting column 14, and the connecting column 14 provides support force to the reinforcing column 13. The reinforcing column 13 supports the collar 16, and the collar 16 simultaneously supports three brackets 17, and the three brackets 17 can respectively support three sleeve blocks 18, and the sleeve blocks 18 provide support force to the inclined bracket 19, and the bottom block 20 provides support for the bottom end of the inclined bracket 19. The three inclined brackets 19 can be reinforced and supported on the outer wall of the pillar 12, and the pillar 12 provides stable support for the bottom end of the rotating motor 11. The pillar 12 can realize both bottom support and multi-point inclined support of the outer wall, thereby increasing the stability of the bottom end of the rotating motor 11.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-dimensional reconstruction shooting device for indoor scenes, comprising a frame plate (1), a linkage screw rod (2) and a reduction motor (3), wherein the linkage screw rod (2) is rotatably connected to the inner wall of the frame plate (1), the reduction motor (3) is fixed to one side of the frame plate (1), and the reduction motor (3) is used to drive the linkage screw rod (2) to rotate, characterized in that: The outer wall of the linkage screw (2) is provided with a calibration mechanism; The calibration mechanism comprises two sleeve blocks (4) arranged on the outer wall of the linkage screw rod (2), the two sleeve blocks (4) are both threadedly connected to the linkage screw rod (2), and a connecting block (5) is welded on one side of each sleeve block (4); A driving motor (6) is fixedly mounted on the top of the connecting block (5); a rotating shaft (7) is coaxially connected to the output end of the driving motor (6); a rotating block (8) is welded to one end of the rotating shaft (7); a shooting camera (9) is fixedly mounted on the top of the rotating block (8); and the shooting camera (9) is used for three-dimensional reconstruction shooting of indoor scenes; and a rotating motor (11) is fixedly mounted on the bottom end of the frame plate (1).

2. The indoor scene 3D reconstruction shooting device according to claim 1, characterized in that: The two sleeve blocks (4) are both slidably connected to the inner wall of the frame plate (1), and the two threads on the outer wall of the linkage screw rod (2) are opposite and symmetrically arranged.

3. The indoor scene 3D reconstruction shooting device according to claim 1, characterized in that: One end of the linkage screw rod (2) is coaxially connected to the output end of the reduction motor (3), and the linkage screw rod (2) and the frame plate (1) are both made of stainless steel.

4. The indoor scene 3D reconstruction shooting device according to claim 1, characterized in that: A support block (10) is welded to the top end of each sleeve block (4), and the support block (10) is rotatably connected to the rotating block (8).

5. The indoor scene 3D reconstruction shooting device according to claim 1, characterized in that: A support assembly is installed below the rotating motor (11); The support assembly comprises a support column (12) fixedly mounted below the rotating motor (11), a reinforcement column (13) being welded to the bottom end of the support column (12), and a support chassis (15) being fixedly connected to the bottom end of the reinforcement column (13); A collar (16) is fixedly mounted on the outer wall of the reinforcement column (13), and a plurality of brackets (17) are welded to the outer wall of the collar (16), and a collar block (18) is fixedly mounted on one end of each bracket (17); An inclined bracket (19) is welded to the inner wall of the sleeve frame block (18), and a bottom block (20) is fixedly installed at the bottom end of the inclined bracket (19). The cross-sectional area of ​​the supporting chassis (15) is greater than the cross-sectional area of ​​the connecting column (14). The center point of the connecting column (14) and the center point of the supporting chassis (15) are located on the same vertical line. The plurality of inclined brackets (19) are integrally formed with the pillar (12) by die casting, and the angle between the bracket (17) and the sleeve ring (16) is set to eighty degrees.

Images