Compact self-light-supplementing three-dimensional scanning device and free combined scanning device thereof

By integrating a compact self-illuminating 3D scanning device, the problems of equipment redundancy and light environment conflict in traditional 3D scanning devices are solved, achieving efficient 3D scanning and texture acquisition, and improving decoding accuracy and ease of operation.

CN224037407UActive Publication Date: 2026-03-24SHENZHEN ZHONGKE ZHIMEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional 3D scanning devices suffer from problems such as equipment redundancy, conflicting lighting requirements, uneven lighting, and cumbersome operation when modeling human bodies, especially in dark environments where it is difficult to balance decoding accuracy and high-brightness texture acquisition.

Method used

The compact self-illuminating 3D scanning device integrates a projection component, an illumination component, and a full-color camera component in a vertical layout. Combined with symmetrically distributed illumination components, it achieves precise overlap between 3D scanning and texture acquisition. The light source is controlled by a control unit to meet different scanning requirements.

Benefits of technology

It achieves precise overlap between 3D scanning and texture acquisition, resolves equipment redundancy and lighting conflicts, improves decoding accuracy and texture acquisition quality, simplifies the operation process, and reduces equipment size and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a compact type three-dimensional scanning device capable of supplementing light automatically and a freely combined type scanning device thereof, and relates to the technical field of three-dimensional scanning, and the three-dimensional scanning device comprises a box body, a projection assembly embedded in the first side part of the box body and close to the top of the box body, and a full-color camera assembly embedded in the first side part and close to the bottom of the box body and close to the bottom of the box body. The two light supplementing assemblies are symmetrically distributed and embedded in the first side portion and located between the projection assembly and the full-color camera shooting assembly so as to be used for conducting full-angle light supplementing on a to-be-scanned face, the vertical layout of the projection assembly, the light supplementing assemblies and the full-color camera shooting assembly is integrated, accurate superposition of three-dimensional scanning and a texture collection view field is achieved, and the three-dimensional scanning effect is achieved. The problem of equipment redundancy in the traditional technology is overcome, and the light supplementing assemblies are symmetrically arranged on the two sides, so that the requirement for the structured light decoding precision of the projection assembly in the dark environment is met, highlight texture collection of the full-color camera assembly is achieved, and the problems that light supplementing on one side is not uniform, multi-equipment step-by-step operation is conducted, and the size of an external light source is limited are effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to three -dimensional scanning technical field especially, relates to a compact self -filling light's three -dimensional scanning device and free combination formula scanning device thereof. BACKGROUND

[0002] Traditional structured light three -dimensional scanning device when modeling human (such as face), because of safety needs to use visible white light, but scanning process relies on dark environment to ensure decoding accuracy, and color texture collection needs sufficient illumination, leading to light environment demand conflict. The existing scheme through step operation (first dark environment scanning, again bright environment fill light shooting) needs external light box, and there is equipment redundancy, registration error and the problem such as operation cumbersome, and compact equipment often because fill light layout is not reasonable and leads to precision decline or shadow remains. SUMMARY

[0003] The utility model discloses a compact self -filling light's three -dimensional scanning device and free combination formula scanning device, and aims at solving the problem of equipment redundancy and unilateral fill light uneven.

[0004] To achieve the above object, the utility model provides a compact self -filling light's three -dimensional scanning device, it is characterized in that, the three -dimensional scanning device includes:

[0005] Box body;

[0006] Projection component is embedded in the first side portion of the box body and is close to the top portion of the box body;

[0007] Full -color camera component is embedded in the first side portion and is close to the bottom portion of the box body;

[0008] Two fill light components are symmetrically embedded in the first side portion and are located between the projection component and the full -color camera component to provide full -angle fill light for the face to be scanned.

[0009] Preferably, the box body is provided with a mounting plate, the fill light component includes a soft light sheet and a plurality of lamp beads, the soft light sheet is embedded in the surface of the first side portion, a plurality of lamp beads are arrayed on the mounting plate, and a plurality of lamp beads are oppositely arranged with the soft light sheet.

[0010] Preferably, the first side portion is provided with a first boss and a second boss;

[0011] The projection component is embedded in the first boss, and the full -color camera component is embedded in the second boss;

[0012] The first side portion is provided with a long convex strip, and the long convex strip is located between the two soft light sheets.

[0013] Preferably, the first boss, the second boss and the long convex strip comprise inclined surfaces around the side surface of the flexible light sheet.

[0014] Preferably, the projection assembly comprises a lens group, and an axis of the lens group in the vertical direction coincides with an axis of the three-dimensional scanning device in the vertical direction.

[0015] The full-color camera assembly is arranged in an inclined manner.

[0016] Preferably, the full-color camera assembly comprises an optical lens, and an optical center axis of the optical lens and a horizontal projection plane of the projection assembly form an intersection point, and a horizontal distance between the intersection point and the first side surface ranges from 550 mm to 700 mm.

[0017] Preferably, the box is provided with a control unit, and the control unit is electrically connected with the projection assembly, the full-color camera assembly and the light supplement assembly.

[0018] Preferably, the second side surface of the box is provided with a key switch.

[0019] Preferably, the bottom of the box is provided with a support table.

[0020] The three-dimensional scanning device comprises the three-dimensional scanning device and a support for supporting the three-dimensional scanning device.

[0021] The number of the three-dimensional scanning devices is three, and the three three-dimensional scanning devices are arranged along a circular path, and the first side surfaces of the three three-dimensional scanning devices all face the center of the circle, and the interval angle between any two of the three three-dimensional scanning devices is 120 degrees.

[0022] The three-dimensional scanning device has the following beneficial effects: through the vertical arrangement of the integrated projection assembly (top), the light supplement assembly (middle) and the full-color camera assembly (bottom), the three-dimensional scanning and the texture collection field are accurately overlapped, and the problems of equipment redundancy, light conflict and registration error in the traditional technology are solved; in addition, the bilateral symmetrical light supplement assembly meets the structure light decoding accuracy of the projection assembly in a dark environment and realizes the high-brightness texture collection of the full-color camera assembly, and the compact box structure with high integration of light, machinery and electricity effectively solves the problems of uneven single-side light supplement, multi-device step-by-step operation and external light source volume limitation. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is an exploded view of the utility model;

[0026] Figure 3 It is a structure schematic view of the utility model.

[0027] Label explanation:

[0028] 1, box body;11, first side part;111, first boss;112, second boss;113, long convex strip;12, second side part;13, support table;14, inclined surface;

[0029] 2, projection assembly;21, lens group;

[0030] 3, full-color camera assembly;31, optical lens;

[0031] 4, light supplement assembly;41, mounting plate;42, lamp pearl;43, soft light sheet.

[0032] The utility model aims at realizing, function characteristics and advantages will be further explained with reference to the attached drawings combining embodiment. Specific implementation

[0033] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment, obviously, the described embodiment is only a part of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0034] It needs to be explained that if the embodiment of the utility model has involved directionality indication (such as up, down, left, right, front, back …), then the directionality indication is only used to explain the relative position relationship, movement condition etc. between the components in a certain specific posture (as shown in the attached drawings), if the specific posture changes, then the directionality indication also changes accordingly.

[0035] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0036] The utility model provides a kind of compact self-complementary light three-dimensional scanning device, please refer to Figures 1-3 , the three-dimensional scanning device includes box 1, projection component 2, full-color camera component 3 and two light supplementing components 4, projection component 2 is embedded in the first side portion 11 of box 1, and is close to the top of box 1, full-color camera component 3 is embedded in the first side portion 11, and is close to the bottom of box 1, two light supplementing components 4 are symmetrically distributed and embedded in the first side portion 11, and are located between projection component 2 and full-color camera component 3, to be used for full-angle light supplementing to the face to be scanned, the above design utilizes the vertical layout of integrated projection component 2, light supplementing component 4 and full-color camera component 3 on box 1, realizes three-dimensional scanning and texture collection field of view accurate coincidence, solves the problems of equipment redundancy, illumination conflict and registration error in traditional technology, secondly, its bilateral symmetric light supplementing component 4 setting meets the structure light decoding accuracy of projection component 2 in dark environment and realizes the high-brightness texture collection of full-color camera component 3, cooperates with the compact box 1 structure of high integration of light, machine and electricity, effectively solves the pain points of one-side light supplementing unevenness, multi-device step operation and external light source volume limitation.

[0037] In the embodiment, please refer to Figure 2 , mounting plate 41 is provided in the box 1, the light supplementing component 4 includes soft light sheet 43 and a plurality of lamp beads 42, the soft light sheet 43 is embedded on the surface of the first side portion 11, the plurality of lamp beads 42 are arrayed on the mounting plate 41, and the plurality of lamp beads 42 are oppositely arranged with the soft light sheet 43, wherein the soft light sheet 43 has a frosted texture, which can realize the effect of diffuse reflection, since the number of light supplementing components 4 is two, and symmetrically arranged, therefore, the two soft light sheets 43 on the first side portion 11 are also symmetrically distributed, specifically, the light emitted by the lamp beads 42 corresponding to the soft light sheet 43 is diffusely reflected to the face to be three-dimensionally scanned through the soft light sheet 43, under the aforementioned symmetric design, the light on both sides irradiates the left face and the right face of the face respectively, in other words, the design provides excellent face light source for the face.

[0038] Further, since the control unit (not shown) is arranged in the box 1 and is electrically connected with the projection assembly 2, the full-color camera assembly 3 and the light supplement assembly 4, the above design can control the light supplement assembly 4 not to work when the projection assembly 2 works, so as to ensure the accuracy of the three-dimensional scanning, and can control the light supplement assembly 4 to work for a short time when the full-color camera assembly 3 works, so as to obtain the color texture image with rich color and delicate texture.

[0039] Specifically, the above design integrates the light supplement assembly 4, the projection assembly 2 and the full-color camera assembly 3 on the box 1, which not only meets the convenient demand of people for the color three-dimensional modeling, but also does not need to separately arrange the soft light box, thereby reducing the cost and being convenient for the user to carry and transport.

[0040] In the embodiment, please refer to Figure 1 and Figure 2 The first side 11 is provided with the first boss 111 and the second boss 112, the projection assembly 2 is embedded in the first boss 111, and the full-color camera assembly 3 is embedded in the second boss 112. The first side 11 is provided with the long protruding strip 113, and the long protruding strip 113 is located between the two soft light sheets 43. The design of the boss can shield the soft light sheet 43 embedded on the surface of the first side 11 to a certain extent, so as to avoid the dust invasion and the damage caused by the external impact.

[0041] In order to ensure that the light emitted by the light supplement assembly 4 irradiates on the face, the first boss 111, the second boss 112 and the long protruding strip 113 surround the side surface of the soft light sheet 43 and include the inclined surface 14. The design limits the light propagation path, so as to realize the light supplement for the face.

[0042] In the embodiment, the projection assembly 2 includes the lens group 21, the vertical axis of the lens group 21 coincides with the vertical axis of the three-dimensional scanning device, and the full-color camera assembly 3 is arranged in an inclined manner. The full-color camera assembly 3 includes the optical lens 31, the optical center axis of the optical lens 31 and the horizontal projection surface of the projection assembly 2 form an intersection point, and the face located at the intersection point can be accurately scanned by the three-dimensional scanning device.

[0043] Specifically, the horizontal distance between the intersection point and the first side 11 is 550-700 mm, in other words, the intersection point can be obtained by changing the inclination angle of the full-color camera assembly 3. The intersection point in the above range can make the scanning accuracy of the three-dimensional scanning device more accurate. In the embodiment, the horizontal distance between the intersection point and the first side 11 is 600 mm.

[0044] In the embodiment, please refer to Figure 1 and Figure 3The bottom of the box body 1 is provided with support tables 13, the number of the support tables 13 is two, and the two support tables are respectively arranged on the two sides of the bottom of the box body 1, which mainly avoids that the box body 1 is unstable and affects the scanning accuracy.

[0045] In the embodiment, the second side 12 of the box body 1 is provided with a key switch, which is used for starting or stopping the operation of the three-dimensional scanning device, and the key switch is arranged on the second side 12, so that the user can conveniently control the three-dimensional scanning device.

[0046] The utility model also provides a kind of free combination formula three-dimensional scanning device, including preceding three-dimensional scanning device and the support for supporting three-dimensional scanning device, the number of three-dimensional scanning device is three, three three-dimensional scanning devices are placed along circle path, and the first side 11 in three three-dimensional scanning devices is all arranged towards circle center of circle, and the interval angle between two two three-dimensional scanning devices is 120 degrees.

[0047] Specifically, the installation positions of the three three-dimensional scanning devices can cover the side of human head respectively, and when they work simultaneously, human head can be scanned and reconstructed by 360 degrees.

[0048] The above-mentioned is only optional embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structural transformation is made to the utility model specification and the drawing contents under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A compact self-illuminated three-dimensional scanning device, characterized by, The three-dimensional scanning device comprises: a box body; a projection assembly embedded in a first side of the box body and close to the top of the box body; a full-color camera assembly embedded in the first side and close to the bottom of the box body; two light supplement assemblies symmetrically embedded in the first side and located between the projection assembly and the full-color camera assembly for full-angle light supplement for the face to be scanned.

2. The three-dimensional scanning device of claim 1, wherein, The box body is internally provided with a mounting plate, the light supplement assembly comprises a soft light sheet and a plurality of lamp beads, the soft light sheet is embedded in the surface of the first side, the plurality of lamp beads are arrayed on the mounting plate, and the plurality of lamp beads are oppositely arranged with the soft light sheet.

3. The three-dimensional scanning device of claim 2, wherein, The first side is provided with a first boss and a second boss; the projection assembly is embedded in the first boss, and the full-color camera assembly is embedded in the second boss; the first side is provided with a long protruding strip, and the long protruding strip is located between the two soft light sheets.

4. The three-dimensional scanning device of claim 3, wherein, The first boss, the second boss and the long protruding strip comprise inclined surfaces around the side surface of the soft light sheet.

5. The three-dimensional scanning device of claim 4, wherein, The projection assembly comprises a lens group, and the vertical axis of the lens group coincides with the vertical axis of the three-dimensional scanning device; The full-color camera assembly is arranged obliquely.

6. The three-dimensional scanning device of claim 1, wherein, The full-color camera assembly comprises an optical lens, the optical center axis of the optical lens and the horizontal projection plane of the projection assembly form an intersection point, and the horizontal distance between the intersection point and the first side is 550-700 mm.

7. The three-dimensional scanning device of claim 6, wherein, The box body is internally provided with a control unit, and the control unit is electrically connected with the projection assembly, the full-color camera assembly and the light supplement assembly.

8. The three-dimensional scanning device of claim 1, wherein, The second side of the box body is provided with a key switch.

9. The three-dimensional scanning device of claim 1, wherein, The bottom of the box body is provided with a support table.

10. A free combination three-dimensional scanning apparatus characterized by comprising: The three-dimensional scanning device comprises: The number of the three-dimensional scanning devices is three, the three-dimensional scanning devices are placed along a circular path, the first side of each of the three-dimensional scanning devices faces the center of the circle, and the interval angle between any two of the three-dimensional scanning devices is 120 degrees.