CN214200008U

CN214200008U - Structured light three-dimensional scanner with combined structure

Info

Publication number: CN214200008U
Application number: CN202120560182.3U
Authority: CN
Inventors: 张淼; 孙虹; 李永玲; 雷经发; 刘涛
Original assignee: Anhui Jianzhu University
Current assignee: Anhui Jianzhu University
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-09-14
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a modular structure light three-dimensional scanner, the on-line screen storage device comprises a base, base top four corners all is provided with the support column, be provided with the projecting apparatus between four support columns, and four support column tops are provided with the internal tooth dish, the internal tooth dish top is provided with the rotating support seat, the kerve has all been seted up to rotating support seat bottom both sides, the inside first motor that is provided with of kerve, first motor bottom be connected with through the pivot with internal tooth dish matched with gear, rotating support seat one side is provided with the control board, the rotating support seat top is provided with adjustment mechanism, adjustment mechanism one side is provided with complex second motor with it, the adjustment mechanism top is provided with the camera. Has the advantages that: through setting up adjustment mechanism, internal tooth dish and gear isotructure, can realize the automatically regulated of camera multi-angle to make things convenient for the engineer to adjust the angle between camera and the projecting apparatus, and then realize accurate scanning and measurement to the object.

Description

Structured light three-dimensional scanner with combined structure

Technical Field

The utility model relates to a three-dimensional scanner technical field particularly, relates to a modular structure's structured light three-dimensional scanner.

Background

The structured light three-dimensional scanner is a high-speed and high-precision three-dimensional scanning measuring device, and the theoretical basis is the structured light non-contact photographic measuring principle. The photogrammetry is similar to a camera to photograph an object in a field of view, except that the camera takes a two-dimensional image of the object, and the developed surveying instrument obtains three-dimensional information of the object.

The structured light three-dimensional scanner comprises the following components: the system comprises a projector for projecting a plurality of specific coded images, a camera for receiving the projected images, and a control card for synchronously controlling the projector and the camera. During three-dimensional measurement, a projector projects a plurality of specifically coded structured lights onto an object to be measured, a camera with a certain included angle synchronously acquires corresponding images, then the images are decoded and subjected to phase calculation, and the three-dimensional coordinates of image pixel points captured by the camera are calculated by utilizing a matching technology and a triangle measurement principle, so that the three-dimensional information of the object is obtained.

In the structured light three-dimensional scanning process, an engineer needs to adjust a projector and a camera on a scanner to a very reasonable angle, and then the engineer can accurately scan and measure an object to be measured. However, the process is long and complicated, the existing scanner is not convenient to adjust, and the structure is not stable enough, so that a certain degree of deviation can occur in the adjusting process, and the result is not accurate.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a structured light three-dimensional scanner of modular structure to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a modular structure light three-dimensional scanner, the on-line screen storage device comprises a base, base top four corners all is provided with the support column, be provided with the projecting apparatus between four support columns, and four support column tops are provided with the internal tooth dish, the internal tooth dish top is provided with the rotating support seat, the kerve has all been seted up to rotating support seat bottom both sides, the inside first motor that is provided with of kerve, first motor bottom is connected with the gear with internal tooth dish matched with through the pivot, rotating support seat one side is provided with the control board, the rotating support seat top is provided with adjustment mechanism, adjustment mechanism one side is provided with complex second motor with it, the adjustment mechanism top is provided with the camera.

Further, in order to enable the rotary supporting seat to be movably connected with the inner gear disc, the rotary supporting seat can rotate while the stability of the rotary supporting seat is guaranteed, the top of the inner gear disc is provided with a supporting rail in a circular ring structure, the outer edge of the circumference of the bottom of the rotary supporting seat is provided with an annular groove matched with the supporting rail, and the top width of the supporting rail and the top width of the annular groove are larger than the bottom width of the supporting rail.

Further, in order to make the user judge through the position relation between scale and the first mark arrow, the change of angle about between camera and the projecting apparatus improves the accuracy of device, and the internal fluted disc circumference outside is provided with the scale, and rotatory supporting seat one side bottom is provided with first mark arrow.

Further, in order to make the layer board can be under the drive of second motor, carry out the rotary motion around the semicircle pillar base, and then drive camera realization and the regulation of contained angle from top to bottom between the projecting apparatus, adjustment mechanism is including fixing the semicircle pillar base at rotatory supporting seat top intermediate position, semicircle pillar base both ends all are provided with the slide rail, semicircle pillar base top intermediate position is provided with half worm wheel, the spout that runs through it is seted up at the slide rail top, be provided with the layer board between two slide rail tops, the camera is located the layer board top, layer board bottom both sides all are provided with the fixing bolt who has alternated the spout, the part cover that fixing bolt is located the spout bottom is equipped with spacing piece, layer board bottom intermediate position is provided with the worm with half worm wheel matched with, the worm wherein one end keeps being connected with the second.

Furthermore, in order to fix the supporting plate and enable the supporting plate to do circular motion around the semi-cylindrical seat, so that the stability and accuracy of a camera motion path are ensured, the camera motion path is convenient to adjust and record, the sliding rail is of a semicircular structure with a downward circle center, both sides of the bottom of the supporting plate are of arc-shaped structures matched with the sliding rail, and the top of the limiting piece is of an arc-shaped structure matched with the sliding rail.

Furthermore, in order to help a user to clearly judge the rotation angle of the camera and observe the change of the vertical angle between the camera and the projector, an angle measuring ruler is arranged on one side of the sliding rail, which is far away from the worm, and a second marked arrow is arranged at the bottom of one side of the supporting plate.

Furthermore, in order to realize the automatic integrated operation and control of the scanner and improve the practicability of the device, the control card is electrically connected with the projector, the first motor, the second motor and the camera.

The utility model has the advantages that:

1. by arranging the adjusting mechanism, the inner fluted disc, the gear and other structures, the camera can be automatically adjusted in multiple angles, so that an engineer can conveniently adjust the angle between the camera and the projector, and an object can be accurately scanned and measured; meanwhile, the operation steps and difficulty in the adjusting process can be reduced, so that the practicability and convenience of the scanner are improved, and the scanner is more humanized.

2. Through the structural design of combination formula, can be convenient for assemble and dismantle the device under the condition of guaranteeing scanner major structure intensity to reduce the cost of equipment maintenance and maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front structural view of a structured light three-dimensional scanner with a combined structure according to an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of a structured light three-dimensional scanner in a combined configuration according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an adjusting mechanism in a structured light three-dimensional scanner with a combined structure according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2.

In the figure:

1. a base; 2. a support pillar; 3. a projector; 4. an inner fluted disc; 5. rotating the supporting seat; 6. a bottom groove; 7. a first motor; 8. a rotating shaft; 9. a gear; 10. a control card; 11. an adjustment mechanism; 1101. a semi-cylindrical base; 1102. a slide rail; 1103. a half worm gear; 1104. a chute; 1105. a support plate; 1106. fixing the bolt; 1107. a limiting sheet; 1108. a worm; 12. a second motor; 13. a camera; 14. supporting a rail; 15. an annular groove; 16. a scale; 17. a first labeled arrow; 18. an angle measuring ruler; 19. the second marks the arrow.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a structured light three-dimensional scanner of modular structure.

The invention will now be further described with reference to the accompanying drawings and specific embodiments, as shown in figures 1-4, the structured light three-dimensional scanner with a combined structure according to the embodiment of the utility model comprises a base 1, four corners of the top end of the base 1 are respectively provided with a support column 2, a projector 3 is arranged between the four

support columns

2, and 2 tops of four support columns are provided with

internal tooth dish

4, 4 tops of internal tooth dish are provided with rotary supporting seat 5, kerve 6 has all been seted up to rotary supporting seat 5 bottom both sides, the inside first motor 7 that is provided with of

kerve

6, 7 bottoms of first motor are connected with through pivot 8 with internal tooth dish 4 matched with

gear

9, 5 one sides of rotary supporting seat are provided with

control board

10, 5 tops of rotary supporting seat are provided with

adjustment mechanism

11, 11 one sides of adjustment mechanism are provided with complex second motor 12 with it, 11 tops of adjustment mechanism are provided with camera 13.

By means of the technical scheme, the camera 13 can be automatically adjusted in multiple angles by arranging the adjusting mechanism 11, the internal gear disc 4, the gear 9 and other structures, so that an engineer can conveniently adjust the angle between the camera 13 and the projector 3, and an object can be accurately scanned and measured; meanwhile, the operation steps and difficulty in the adjusting process can be reduced, so that the practicability and convenience of the scanner are improved, and the scanner is more humanized. Through the structural design of combination formula, can be convenient for assemble and dismantle the device under the condition of guaranteeing scanner major structure intensity to reduce the cost of equipment maintenance and maintenance.

In an embodiment, for the above internal gear 4, the supporting rail 14 of the circular ring structure is disposed at the top of the internal gear 4, the annular groove 15 matched with the supporting rail 14 is disposed at the outer edge of the bottom circumference of the rotary support base 5, and the top widths of the supporting rail 14 and the annular groove 15 are greater than the bottom width, so that the rotary support base 5 can be movably connected with the internal gear 4, and the rotary support base 5 can rotate while ensuring its stability.

In one embodiment, for the internal gear 4, a scale 16 is disposed on the outer side of the circumference of the internal gear 4, and a first mark arrow 17 is disposed on the bottom of the rotary support base 5, so that a user can judge the change of the left and right angles between the camera 13 and the projector 3 according to the position relationship between the scale 16 and the first mark arrow 17, thereby improving the accuracy of the device.

In one embodiment, for the above-mentioned adjusting mechanism 11, the adjusting mechanism 11 includes a semi-cylindrical seat 1101 fixed at the middle position of the top end of the rotary supporting seat 5, both ends of the semi-cylindrical seat 1101 are provided with sliding rails 1102, the middle position of the top of the semi-cylindrical seat 1101 is provided with a semi-worm 1103, the top of the sliding rail 1102 is provided with a sliding slot 1104 penetrating through the sliding rail, a supporting plate 1105 is arranged between the tops of the two sliding rails 1102, the camera 13 is located at the top end of the supporting plate 1105, both sides of the bottom end of the supporting plate 1105 are provided with fixing bolts 1106 penetrating through the sliding slot 1104, the part of the fixing bolt 1106 located at the bottom end of the sliding slot 1104 is sleeved with a spacing piece 1107, the middle position of the bottom of the supporting plate 1105 is provided with a worm 1108 matching with the semi-worm 1103, one end of the worm 1108 is connected with the second motor 12, therefore, the supporting plate 1105 can rotate around the semi-cylindrical seat 1101 under the driving of the second motor 12, and further drive the camera 13 to adjust the vertical included angle between the camera 13 and the projector 3.

In an embodiment, for the slide rail 1102, the slide rail 1102 is a semicircular structure with a downward center, both sides of the bottom of the supporting plate 1105 are arc structures matched with the slide rail 1102, and the top of the limiting piece 1107 is an arc structure matched with the slide rail 1102, so that the supporting plate 1105 is fixed and can make circular motion around the semi-cylindrical seat 1101, thereby ensuring the stability and accuracy of the motion path of the camera 13, and facilitating adjustment and recording.

In one embodiment, for the slide rail 1102, a protractor 18 is disposed on a side of the slide rail 1102 away from the worm 1108, and a second marked arrow 19 is disposed on a bottom portion of the pallet 1105 side, so as to help a user to clearly determine a rotation angle of the camera 13 and observe a vertical angle change between the camera 13 and the projector 3.

In one embodiment, for the control card 10, the control card 10 is electrically connected to the projector 3, the first motor 7, the second motor 12 and the camera 13, so as to realize automatic integrated operation and control of the scanner, and improve the practicability of the device.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the engineer carries the scanner to a proper position, aligns the front surface of the projector 3 with the object to be detected, and opens the projector 3 and the camera 13 through the control card 10 to start operation. During the observation process, the engineer needs to continuously adjust the angle of the camera 13, and the adjustment is realized by controlling the operation of the first motor 7 and the second motor 12 through the control card 10. When the first motor 7 is controlled to operate, the two gears 9 start to rotate, and rotate inside the inner fluted disc 4 to drive the rotary supporting seat 5 and the camera 13 thereon to rotate, and the left and right angles between the camera 13 and the projector 3 can be adjusted through the set angle and the degree of the observation scale 16 until the adjustment is completed. When the second motor 12 is turned on, the worm 1108 is driven to rotate, and since the half-worm wheel 1103 is fixed, the supporting plate 1105 rotates around the center of the semi-cylindrical seat 1101 during the movement of the worm 1108, that is, the camera 13 realizes the adjustment of the up-down angle of the projector 3. Due to the action of the fixing bolts 1106 and the limiting pieces 1107, the supporting plate 1105 always keeps moving on the top of the sliding rail 1102. And turning off the second motor 12 until the angle is adjusted to a proper angle, namely completing the angle adjustment between the camera 13 and the projector 3 and completing the three-dimensional scanning of the structured light.

In summary, with the aid of the technical solution of the present invention, by setting the adjusting mechanism 11, the inner gear disk 4 and the gear 9, the camera 13 can be automatically adjusted in multiple angles, so that an engineer can conveniently adjust the angle between the camera 13 and the projector 3, and further accurately scan and measure an object; meanwhile, the operation steps and difficulty in the adjusting process can be reduced, so that the practicability and convenience of the scanner are improved, and the scanner is more humanized. Through the structural design of combination formula, can be convenient for assemble and dismantle the device under the condition of guaranteeing scanner major structure intensity to reduce the cost of equipment maintenance and maintenance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The structured light three-dimensional scanner with the combined structure is characterized by comprising a base (1), wherein support columns (2) are arranged at four corners of the top end of the base (1), projectors (3) are arranged among the four support columns (2), an inner fluted disc (4) is arranged at the top ends of the four support columns (2), a rotary support seat (5) is arranged at the top end of the inner fluted disc (4), bottom grooves (6) are respectively formed in two sides of the bottom of the rotary support seat (5), a first motor (7) is arranged in each bottom groove (6), a gear (9) matched with the inner fluted disc (4) is connected to the bottom of the first motor (7) through a rotating shaft (8), a control card (10) is arranged on one side of the rotary support seat (5), an adjusting mechanism (11) is arranged at the top of the rotary support seat (5), a second motor (12) matched with the adjusting mechanism (11) is arranged on one side of the adjusting mechanism (11), the top end of the adjusting mechanism (11) is provided with a camera (13).

2. The structured light three-dimensional scanner with combined structure as claimed in claim 1, wherein the top of the internal gear disk (4) is provided with a supporting rail (14) with a circular ring structure, the outer edge of the bottom circumference of the rotary supporting seat (5) is provided with an annular groove (15) matching with the supporting rail (14), and the top width of the supporting rail (14) and the annular groove (15) is greater than the bottom width.

3. The structured light three-dimensional scanner with combined structure as claimed in claim 2, wherein the inner fluted disc (4) is provided with a scale (16) at the outer side of the circumference, and the rotating support base (5) is provided with a first marked arrow (17) at the bottom of one side.

4. The structured light three-dimensional scanner with a combined structure according to claim 1, wherein the adjusting mechanism (11) comprises a semi-cylindrical seat (1101) fixed at the middle position of the top end of the rotary support seat (5), slide rails (1102) are arranged at both ends of the semi-cylindrical seat (1101), a semi-worm gear (1103) is arranged at the middle position of the top of the semi-cylindrical seat (1101), a slide groove (1104) penetrating the slide rails (1102) is formed at the top of the slide rails (1102), a supporting plate (1105) is arranged between the tops of the two slide rails (1102), the camera (13) is positioned at the top end of the supporting plate (1105), fixing bolts (1106) penetrating the slide groove (1104) are arranged at both sides of the bottom end of the supporting plate (1105), a limiting piece (1107) is sleeved at the part of the bottom end of the slide groove (1104), a worm (1108) matched with the semi-worm gear (1103) is arranged at the middle position of the bottom of the supporting plate (1105), one end of the worm (1108) is connected with the second motor (12).

5. The structured light three-dimensional scanner with a combined structure according to claim 4, wherein the slide rail (1102) is of a semicircular structure with a downward circle center, both sides of the bottom of the supporting plate (1105) are arc structures matched with the slide rail (1102), and the top of the limiting sheet (1107) is of an arc structure matched with the slide rail (1102).

6. The structured light three-dimensional scanner with combined structure as claimed in claim 5, wherein a side of the slide rail (1102) far away from the worm (1108) is provided with a protractor (18), and a bottom of a side of the supporting plate (1105) is provided with a second marked arrow (19).

7. A structured light three-dimensional scanner of modular construction according to claim 1, wherein said control card (10) is electrically connected to said projector (3), said first motor (7), said second motor (12) and said camera (13).