Three-dimensional face scanning device
By designing a 3D face scanning device with a multi-angle scanning module and supplementary lighting, the problems of insufficient convenience and imaging accuracy of existing face scanners have been solved, achieving efficient and aesthetically pleasing scanning in different environments.
Patent Information
- Application Number
- CN202423235907.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing facial scanners suffer from shortcomings in convenience, imaging accuracy, and aesthetics. Handheld devices are particularly susceptible to operator error, while placeable devices occupy a large space and have stringent environmental requirements.
A three-dimensional face scanning device was designed, including a base, a main body, scanning modules, supplementary lights, and a hub. Multiple scanning modules are set on the main body to achieve multi-angle scanning. The supplementary lights provide uniform light sources under different lighting conditions. The hub transmits scanning data, the power module provides power, and the base provides stable support.
It improves the convenience and imaging accuracy of facial scanning, reduces operational errors, adapts to different lighting environments, and enhances scanning efficiency and aesthetics.
Smart Images
Figure CN223526731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to face data acquisition equipment technical field, especially in kind three -dimensional face scanning device. BACKGROUND
[0002] The face scanner is a kind of non-contact, non-invasive instrument, can carry out data measurement and three-dimensional reconstruction to facial soft tissue, and the facial data created can be used for ophthalmic parameter measurement, such as interpupillary distance, eyeball protrusion, palpebral fissure height etc., so as to have wide application in ophthalmic treatment and eye health maintenance field.Currently commonly used face scanner is mostly handheld and placed, for handheld device, it needs operating personnel to hold and surround human body to complete half circle scanning, and scanning result will be influenced by the error of operating personnel manual operation;Placed device has higher precision, but it needs to occupy larger space, and personnel need to stand at specified position to realize measurement.At the same time, the current scanning device has higher requirement to environment, and too bright or too dark environment will lead to poor imaging aesthetics after scanning.
[0003] Therefore, how to improve the convenience, imaging accuracy and aesthetics of face scanning process is a technical problem to be solved by the person skilled in the art. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a kind of three-dimensional face scanning device to improve the convenience, imaging accuracy and aesthetics of face scanning process.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of three-dimensional face scanning device, comprising:
[0007] Base and main body, the base is used to support the main body, the main body includes the scanning surface being arranged towards face, first scanning module, second scanning module and third scanning module are arranged at intervals on the scanning surface, the periphery of each scanning module is provided with light supplementing lamp, and at least one scanning module is arranged opposite face;
[0008] Concentrator, with the first scanning module, the second scanning module and the third scanning module are connected to receive the scanning data of each scanning module, and the concentrator is connected with processing device by wired or wireless mode;
[0009] Light switch and power module, the light switch is arranged on the main body to adjust the opening and closing of the light supplementing lamp, and the power module is used to power supply to electrical equipment.
[0010] Preferably, in the three-dimensional face scanning device, the scanning surface is an arc surface structure, the first scanning module is arranged at the arc bottom of the scanning surface, and the second scanning module and the third scanning module are arranged at the arc two end portions of the scanning surface and are symmetrical about the first scanning module.
[0011] Preferably, in the three-dimensional face scanning device, the normals of the second scanning module and the third scanning module intersect at a reference point, and the angle between the line connecting the reference point and the first scanning module and the normal of the second scanning module is 43°-47°.
[0012] Preferably, in the three-dimensional face scanning device, the first light supplement lamp corresponding to the first scanning module includes two lamp bodies arranged symmetrically about the first scanning module; and the second light supplement lamp corresponding to the second scanning module is a U-shaped structure, the second light supplement lamp is arranged around the second light supplement lamp and has an opening facing the central region of the scanning surface.
[0013] Preferably, in the three-dimensional face scanning device, the power of the light supplement lamp is 5W-7W, and the color temperature is 4000K-4500K.
[0014] Preferably, in the three-dimensional face scanning device, each scanning module includes at least one depth camera and one RGB camera.
[0015] Preferably, in the three-dimensional face scanning device, the main body is a cavity structure, the scanning surface includes a front shell and two side shells arranged symmetrically on both sides of the front shell, the front shell corresponds to a rear shell and is connected by snap fitting, and each side shell corresponds to a rear cover and is connected by snap fitting to form a cavity structure.
[0016] Preferably, in the three-dimensional face scanning device, the power module includes a voltage reduction unit.
[0017] The power module is an independently assembled battery, or the base is provided with a power supply port to supply power to the power module by an external power supply.
[0018] Preferably, in the three-dimensional face scanning device, the base includes a bottom plate and an outer shell, the bottom plate and the outer shell are fixedly connected to form a cavity structure and are provided with parts or counterweights, and a plurality of anti-skid pads are fixedly arranged on the side of the bottom plate away from the outer shell.
[0019] Preferably, in the three-dimensional face scanning device, the first scanning module is arranged opposite to the face in a first direction, and the distance between the first scanning module and the second scanning module is 13cm-14cm in the first direction; the distance between the first scanning module and the second scanning module in a second direction is 25cm-26cm, and the distance in a third direction is 0; the first direction, the second direction and the third direction are perpendicular to each other, and when the three-dimensional face scanning device is placed on a horizontal plane, the third direction is a vertical direction.
[0020] From the above technical solution, the three-dimensional face scanning device provided by the utility model can be stably supported by the base to the main body structure, so that the main body can be placed at any plane position, without the need for the operator to hold and improve the convenience of the scanning process; meanwhile, the scanning surface is arranged on the main body, and three scanning modules are arranged on the scanning surface at intervals, so that the face in front of the scanning surface can be scanned at multiple angles at the same time, and at least one scanning module is opposite to the face to realize the reference and most scanning, the scanning surface of multiple-angle simultaneous scanning can improve the scanning precision and reduce the scanning time required in the full-area scanning process; in addition, each scanning module is matched with a light supplementing lamp, so as to meet the face scanning requirement in any illumination environment and avoid the influence of external light source on the scanning appearance; the scanning data of the scanning module is collected by the concentrator and transmitted to the external processing equipment to process the image and complete the scanning process. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 The three-dimensional face scanning device structure schematic view provided by the embodiment of the utility model;
[0023] Figure 2 For Figure 1 The main body internal structure schematic view in the embodiment;
[0024] Figure 3 The schematic view of the position relationship of each scanning module in the embodiment of the utility model;
[0025] Figure 4 The bottom view of the three-dimensional face scanning device;
[0026] Figure 5 The explosion schematic view of the three-dimensional face scanning device;
[0027] Figure 6 It is a setting direction schematic view of three-dimensional face scanning device.
[0028] Wherein, 10 - base; 110 - power supply port; 120 - bottom plate; 130 - outer shell; 140 - non-slip pad; 20 - main body; 210 - scanning surface; 2110 - front shell; 2120 - side shell; 220 - first scanning module; 230 - second scanning module; 240 - third scanning module; 250 - first light supplement lamp; 260 - second light supplement lamp; 270 - third light supplement lamp; 2810 - rear shell; 2820 - rear cover; 30 - concentrator; 40 - light switch; 50 - power module; 60 - reference point. DETAILED DESCRIPTION
[0029] The core of the utility model lies in a kind of three-dimensional face scanning device, to improve the convenience of facial scanning process, imaging accuracy and aesthetic property.
[0030] In order to make the personnel in the technical field better understand the utility model scheme, the utility model embodiment is described below with reference to the drawings, and besides, the embodiment shown below does not have any limiting effect on the utility model content recited in claim. In addition, the entire content of the constitution represented in the following embodiment is not limited to the solution of the utility model recited in claim.
[0031] As Figure 1 , Figure 2 and Figure 5 The three-dimensional face scanning device provided by the utility model embodiment mainly includes base 10, main body 20, concentrator 30, light switch 40 and power module 50, wherein the base 10 is used for supporting the main body 20, which has regular bottom surface structure and arc-shaped, suitable holding side wall structure, so that the base 10 can be stably placed on the plane to realize the fixed placement scanning of three-dimensional face scanning device, or be held by the operator to realize the hand-held surrounding scanning of three-dimensional face scanning device.
[0032] The base 10 can be fixedly connected with the main body 20 through a bolt structure to maintain the stable supporting effect on the main body 20. The main body 20 is provided with a scanning surface 210, which is arranged to face the face and perform three-dimensional scanning on the face. Specifically, the scanning surface 210 is provided with a first scanning module 220, a second scanning module 230 and a third scanning module 240 at intervals. The first scanning module 220, the second scanning module 230 and the third scanning module 240 are independently arranged to scan the face from different angles, and at least one scanning module is arranged to face the face. It should be noted that the arrangement direction of the first scanning module 220, the second scanning module 230 and the third scanning module 240 is the length extension direction of the scanning surface 210, so that when one scanning module is arranged to face the face, the other two scanning modules are arranged to face one or both of the left and right sides of the face, thereby improving the scanning area at a single time.
[0033] It should be further noted that, due to the interval arrangement of the first scanning module 220, the second scanning module 230 and the third scanning module 240, the scanning surface 210 can have a larger scanning range. In some embodiments, the scanning range of the scanning surface 210 covers the entire scanning area on the face. At this time, the three-dimensional face scanning device can meet the face scanning requirement through the scanning information at a single time, and has higher scanning efficiency. In other embodiments, the scanning range of the scanning surface 210 covers part of the scanning area on the face, but compared with the prior art, the three scanning modules arranged at intervals have a larger scanning area, so that the entire scanning area on the face can be covered by the three-dimensional face scanning device through small-angle rotation or fewer times of rotation, which also improves the scanning efficiency of the scanning device.
[0034] Based on the above structure, preferably, when one scanning module is arranged to face the face, one of the other two scanning modules is arranged to face the left side of the face, and the other is arranged to face the right side of the face. The scanning module arranged to face the face scans a large area of the face through its conical scanning range, and the two side scanning modules assist in scanning the left and right sides of the face. At the same time, there is an overlapping scanning area between the two adjacent scanning modules, so that the three scanning modules can cover the entire area of the face while the face and the three-dimensional face scanning device remain in fixed positions, thereby improving the convenience and scanning efficiency of the scanning process.
[0035] And considering the influence of external light source on the beauty of the scanned image, the utility model embodiment further provides a fill light, which can be single or multiple, in order to optimize the fill light effect and accuracy, preferably each scanning module is provided with a fill light around, to independently fill light for different scanning modules. It should be noted that the face scanning process is greatly affected by the scanning environment, such as the environment around the scanning area has a strong light source, the face image after scanning imaging will appear light spot or light shadow; while the ambient light around the scanning area is insufficient, the imaged face will be dull and cause poor appearance; the setting of the fill light is to set the scanning area as a strong light area, while maintaining the clear and beautiful imaging, avoiding the problem of light spot caused by the strong ambient light. It should be noted that the setting of the fill light is also based on the rapid scanning effect of the scanning surface 210 on the face in the above embodiment, the scanned person only needs to look directly at the short area of the scanning surface 210, and there is no problem of difficult continuous eye opening due to the effect of the fill light.
[0036] On the basis of the above embodiment, the main body 20 is further provided with a concentrator 30, which is in communication connection with the first scanning module 220, the second scanning module 230 and the third scanning module 240, to receive the scanning data of each scanning module; considering the structural integrity, the concentrator 30 is usually arranged inside the main body 20, therefore, the concentrator 30 is preferably directly connected with the first scanning module 220, the second scanning module 230 and the third scanning module 240 through a line, to improve the stability of data transmission. The scanning data collected by the concentrator 30 needs to be transmitted to an external processing device, such as a mobile phone, a tablet computer or a computer, to be processed by software in the processing device, which is the same as the prior art and will not be repeated here. It should be noted that the data transmission of the concentrator 30 to the external processing device can be realized by wired or wireless mode, such as the concentrator 30 can be provided with a connection port for data line plug-in, and the data transmission is realized by wired mode; at the same time, the concentrator 30 can be integrated with a Bluetooth or WIFI module, to realize the transmission of scanning data by wireless transmission mode after wireless connection.
[0037] Further, the three-dimensional face scanning device provided by the embodiment of the utility model further comprises a power module 50, the power module 50 is used to provide electric energy for electric equipment, such as each scanning module, light supplement lamp and concentrator 30, so that it can run smoothly. Meanwhile, it needs to be explained that the light switch 40 is also arranged on the line of the power module 50 to the light supplement lamp, so as to adjust the on-off of the line to realize the opening and closing of the light supplement lamp, and the operator can adjust the opening and closing of the light supplement lamp according to the use demand, and the light switch 40 can also be designed more carefully, such as the light supplement lamp corresponding to each scanning module is provided with the light switch 40 for independently controlling the opening and closing, so as to be able to open the corresponding light supplement lamp according to the need, and meet the use demand of different working conditions.
[0038] Further, in order to realize the surrounding setting of the scanning surface 210 to the face, so as to realize the purpose of realizing the comprehensive scanning of the face when the three-dimensional face scanning device and the face are kept still, the scanning surface 210 is designed as a bending structure, so that the scanning module can be arranged around the face, and the scanning is realized in the partition. For the setting of the scanning surface 210, it can be a U-shaped or arc-shaped bending structure, in order to make the setting of the scanning surface 210 more in line with ergonomics, in some embodiments of the utility model, the scanning surface 210 is an arc surface structure, and it is preferably arranged symmetrically about the face when scanning the face. Correspondingly, the first scanning module 220 is arranged at the arc-shaped bottom of the scanning surface 210, so as to be arranged opposite to the face in the scanning process; and the second scanning module 230 and the third scanning module 240 are arranged at the two end positions of the arc-shaped structure of the scanning surface 210 respectively, so as to scan from the left side and the right side of the face, and the second scanning module 230 and the third scanning module are arranged symmetrically about the first scanning module 220, so as to bear the same area of scanning area, and cooperate with the first scanning module 220 to realize the simultaneous scanning of the whole area of the face.
[0039] And on the basis of the above embodiment, in order to further improve the comprehensiveness and accuracy of the face scanning of the several scanning modules, such as Figure 3 As shown in some embodiments of the utility model, the normals of the second scanning module 230 and the third scanning module 240 intersect at the reference point 60, where the normal specifically refers to the lens normal of the second scanning module 230 and the third scanning module 240, the normals of the two intersect at a point, which is defined as the reference point 60, and the line connecting the reference point 60 and the first scanning module 220 is at an angle with the normal of the second scanning module 230, that is Figure 3The angle a between the reference point 60 and the first scanning module 220 is 43-47 degrees, and preferably the angle a between the reference point 60 and the first scanning module 220 and the normal line of the second scanning module 230 is 45 degrees, so that when the first scanning module 220 faces the face, the second scanning module 230 can scan the face from a position of about 45 degrees, and at this time, the normal line of the second scanning module 230 is approximately perpendicular to one side or ear of the face, so as to achieve better scanning effect of one side of the face. The third scanning module 240 is symmetrical to the second scanning module 230 with respect to the first scanning module 220, and will not be described here.
[0040] Further, in the three-dimensional face scanning device provided in the embodiments of the present application, the light supplement lamps corresponding to each scanning module can adopt the same structure to reduce material cost and assembly difficulty; meanwhile, the light supplement lamps can also adopt different structures according to the setting position. In some embodiments of the present application, the first scanning module 220 is a scanning module facing the face, and the first light supplement lamp 250 corresponding to the first scanning module 220 includes two lamp bodies symmetrically arranged with respect to the first scanning module 220, each lamp body can adopt a long circular structure light bar to overlap the light on the front area of the face, so as to reduce the risk of shadow on the face area under the action of a single lamp body; the second light supplement lamp 260 corresponding to the second scanning module 230 is arranged in a U-shaped structure and surrounds the second scanning module 230 through the U-shaped structure to uniformly supplement the light on the face area scanned by the second scanning module 230; and considering that the first scanning module 220 has a certain light supplement effect, the opening of the second light supplement lamp 260 is arranged on the scanning surface 210 in the direction of the first scanning module 220, so as to improve the uniformity of the light supplement of the light supplement lamp for each scanning module. The third light supplement lamp 270 is symmetrically arranged with respect to the first scanning module 220 with the second light supplement lamp 260, so as to effectively supplement the light on the scanning area of the third scanning module 240, and make the overall light supplement effect symmetrical with respect to the face, and more uniform.
[0041] In addition, it should be noted that the power of the light supplement lamp is 5-7W, so as to have sufficient light supplement effect and avoid waste and too strong light to affect the eyes of the measured person. At the same time, the light color of the light supplement lamp is neutral light, that is, the color temperature is 4000-4500K, so as to provide an effect closer to natural light, and make the scanning image more accurate and beautiful. The scanning module for three-dimensional scanning includes at least one depth camera and one RGB camera, wherein the depth camera can measure the distance between the object and the camera and generate three-dimensional point cloud data for three-dimensional reconstruction; the RGB camera is used to capture red, green and blue light to obtain image information, so as to realize face recognition of the face.
[0042] Further, for the main body 20 for carrying out the face scanning, since a plurality of components and lines need to be arranged, the main body 20 is preferably arranged as a cavity structure to accommodate the components and the connecting lines. Specifically, in some embodiments of the present application, the scanning surface 210 on the main body 20 includes a front shell 2110, and the scanning module arranged opposite to the face is arranged on the front shell 2110, and the scanning surface 210 further includes two side shells 2120 arranged on both sides of the front shell 2110 and symmetrically arranged with respect to the front shell 2110, and the two side shells 2120 are integrally connected with the front shell 2110 by screws. Meanwhile, the main body 20 further includes a rear shell 2810 and a rear cover 2820, wherein the front shell 2110 corresponds to and is connected with the rear shell 2810 to form a cavity structure communicating at both sides, and meanwhile, each side shell 2120 corresponds to a rear cover 2820, and the side shell 2120 is connected with the rear cover 2820 to form a cavity structure with a single side opening, and the cavity formed by the front shell 2110 and the rear shell 2810 is connected and sealed from both sides to form a closed cavity structure. The segmented cavity makes the main body 20 not only have a more convenient assembly mode, but also can reduce the difficulty of arranging internal components, and is easier to overhaul and replace.
[0043] Further, in the three-dimensional face scanning device provided in the embodiments of the present application, the power module 50 includes a voltage reduction unit to reduce the output voltage of the power module 50 to meet the voltage requirements of different electronic devices, and to limit the output current to protect the circuit from damage caused by excessive current. At the same time, the power module 50 can be an independently assembled battery to maintain the stable operation of the three-dimensional face scanning device by replacing the battery; at the same time, the power module 50 can also be a line power supply, as shown in Figure 4 Similarly, the above two power supply modes of the power module 50 can also be provided on a single device to cooperate to supply power to the electrical equipment.
[0044] Further, the base 10 for supporting the main body 20 comprises a bottom plate 120 and an outer shell 130, wherein the bottom plate 120 is arranged on a plane and fixedly connected with the outer shell 130 to form a cavity structure, and some parts of the three-dimensional face scanning device can be arranged in the cavity formed by the bottom plate 120 and the outer shell 130 to be effectively protected; meanwhile, the cavity formed by the bottom plate 120 and the outer shell 130 can be provided with a counterweight to improve the support stability of the base 10 to the main body 20. In addition, the side of the bottom plate 120 away from the outer shell 130 is fixedly provided with a plurality of anti-skid pads 140, which can be fixed with the bottom plate 120 by bonding or screwing to make the bottom plate 120 have greater friction with the setting plane and improve the setting stability of the base 10.
[0045] In some embodiments of the present application, as shown in Figure 6 Further, the first scanning module 220 is defined to face the face in the first direction, and the distance between the projection of the first scanning module 220 and the second scanning module 230 in the first direction is 13-14 cm; and in the second direction, the distance between the projections of the first scanning module 220 and the second scanning module 230 is 25-26 cm, and further, the distance between the projections of the first scanning module 220 and the second scanning module 230 in the third direction is 0. It should be noted that the first direction, the second direction and the third direction are perpendicular to each other, and when the three-dimensional face scanning device is placed on a horizontal plane, the third direction is the vertical direction, i.e. the first scanning module 220 and the second scanning module 230 are arranged at the same height. On the basis of the above structure, the third scanning module 240 is preferably symmetrical to the second scanning module 230 about the first scanning module 220. The above structure can set the three-dimensional face scanning device at different support heights to realize the face scanning requirement of different height groups.
[0046] It should be noted that the terms "first", "second", "third", etc. in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be interchanged. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0047] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0048] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.
[0049] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A three-dimensional face scanning apparatus, characterized by, The application relates to a three-dimensional face scanning device. The device comprises a base and a main body, the base is used for supporting the main body, the main body comprises a scanning surface arranged towards a human face, first, second and third scanning modules are arranged on the scanning surface at intervals, the periphery of each scanning module is provided with a light supplement lamp, and at least one scanning module is arranged directly towards the human face. A hub is in communication connection with the first, second and third scanning modules to receive scanning data of the scanning modules, and the hub is in communication connection with a processing device through wired or wireless modes. A light switch is arranged on the main body to adjust the opening and closing of the light supplement lamp, and a power module is used for supplying power to the power-consuming device.
2. The three-dimensional facial scanning apparatus of claim 1, wherein, The scanning surface is an arc surface structure, the first scanning module is arranged at the arc bottom of the scanning surface, and the second and third scanning modules are arranged at the arc two end portions of the scanning surface and are symmetrical about the first scanning module.
3. The three-dimensional facial scanning apparatus of claim 2, wherein, The normal lines of the second and third scanning modules intersect at a reference point, the line connecting the reference point and the first scanning module is at an angle of 43-47 degrees with the normal line of the second scanning module.
4. The three-dimensional facial scanning apparatus of claim 2, wherein, The first light supplement lamp corresponding to the first scanning module comprises two lamp bodies arranged symmetrically about the first scanning module, the second light supplement lamp corresponding to the second scanning module is in a U-shaped structure, and the second light supplement lamp surrounds the second light supplement lamp and is arranged with an opening towards the central region of the scanning surface.
5. The three-dimensional facial scanning apparatus of claim 1, wherein, The power of the light supplement lamp is 5-7 W, and the color temperature is 4000-4500 K.
6. The three-dimensional facial scanning apparatus of claim 1, wherein, Each scanning module comprises at least one depth camera and one RGB camera.
7. The three-dimensional facial scanning apparatus of claim 1, wherein, The main body is a cavity structure, the scanning surface comprises a front shell and two side shells arranged symmetrically on both sides of the front shell, the front shell corresponds to a rear shell and is connected in a snap-fit mode, and each side shell corresponds to a rear cover and is connected in a snap-fit mode to form a cavity structure.
8. The three-dimensional facial scanning apparatus of claim 1, wherein, The power module comprises a voltage reduction unit. The power module is an independently assembled battery, or a power supply port is arranged on the base to supply power to the power module through an external power supply.
9. The three-dimensional facial scanning apparatus of claim 1, wherein, The base comprises a bottom plate and an outer shell, the bottom plate is fixedly connected with the outer shell to form a cavity structure and is used for arranging parts or counterweights, and a plurality of anti-skid pads are fixedly arranged on the side of the bottom plate away from the outer shell.
10. The three-dimensional facial scanning apparatus of any one of claims 1-9, wherein, The first scanning module is arranged directly towards the human face in a first direction, and in the first direction, the distance between the first scanning module and the second scanning module is 13-14 cm; the distance between the first scanning module and the second scanning module in a second direction is 25-26 cm, and the distance in a third direction is 0; the first, second and third directions are perpendicular to each other, and when the three-dimensional face scanning device is placed on a horizontal plane, the third direction is a vertical direction.