Host of oral cavity scanning device and oral cavity scanning device

Abstract

The utility model provides a host and an oral cavity scanning device. The host comprises a shell, a light emitting module, a camera module, a light transmitting piece and a light isolating piece. The light-emitting module is arranged on the shell and used for emitting light to the outside of the shell. The camera module is arranged on the shell and spaced from the light-emitting module, and the camera module is used for receiving light reflected by the interior of the oral cavity. The light-transmitting piece is arranged on the shell and is opposite to the light-emitting module and the camera module, and the light-transmitting piece is used for transmitting light. In the optical axis direction of the camera module, the light insulation piece is arranged between the light transmitting piece and the camera module and used for preventing at least part of light emitted by the light emitting module and reflected by the light transmitting piece from entering the camera module.

Description

Technical Field

[0001] The present application relates to the field of oral scanning technology, and in particular to a host of an oral scanning device and an oral scanning device. Background Art

[0002] Currently, oral scanning devices typically include a light module (such as a fill light) and a camera module. The camera module is used to capture intraoral images (such as images of teeth) to analyze the user's oral condition and promptly identify oral problems. Because the intraoral imaging environment is poor, the camera module cannot capture clear images. Therefore, the light module is required to emit light to improve the intraoral imaging environment, allowing the camera module to capture clear images.

[0003] However, when the light emitting module emits light, part of the light will be reflected by the light-transmitting component and enter the camera module. This part of the light is considered stray light and will affect the imaging quality of the camera module. Utility Model Content

[0004] In view of the above problems, the present application provides a host of an oral scanning device and an oral scanning device.

[0005] An embodiment of the present application provides a host of an oral scanning device. The host includes a shell, a light-emitting module, a camera module, a light-transmitting member and a light-isolating member. The light-emitting module is arranged in the shell and is used to emit light outside the shell. The camera module is arranged in the shell and is spaced apart from the light-emitting module, and the camera module is used to receive light reflected back from the interior of the oral cavity. The light-transmitting member is arranged in the shell and is opposite to both the light-emitting module and the camera module, and is used to transmit the light. In the optical axis direction of the camera module, the light-isolating member is arranged between the light-transmitting member and the camera module, and is used to block at least part of the light emitted by the light-emitting module and reflected by the light-transmitting member from entering the camera module.

[0006] The host emits light through the light-emitting module to illuminate the area inside the oral cavity, so that the area within the imaging range of the camera module has a high brightness, thereby ensuring the imaging quality of the camera module. At the same time, the light-isolating component can block at least part of the light emitted by the light-emitting module, preventing at least part of the light reflected by the transparent component from entering the camera module and affecting the imaging quality of the camera module.

[0007] In some embodiments, the camera module is at least partially located in the light isolation member, and the hardness of the light isolation member is less than the hardness of the light transmissive member.

[0008] A light-transmitting member with a high hardness is less prone to shattering and can consistently protect components within the housing, such as the camera module and light-emitting module, from being affected by dust, moisture, or other impurities. A light-transmitting member with a high hardness is also less susceptible to wear and scratching, thereby ensuring good light transmission performance. The camera module is at least partially located within the light-isolating member, which reduces or even eliminates the chance of stray light bypassing the light-isolating member and entering the camera module's imaging range, further ensuring that ghost images are absent in images captured by the camera module and improving the camera module's imaging quality.

[0009] In some embodiments, the light-transmitting member includes a lens, and the light-isolating member is a deformable light-isolating member.

[0010] The light-transmitting element is a lens, ensuring both high hardness and excellent light transmission. Furthermore, the deformable light-isolating element is easy to install and forms a tight fit with the camera module, preventing stray light reflected by the light-transmitting element from entering the camera module's imaging range through the gap between the light-isolating element and the camera module. This improves the stray light isolation effect and ensures the camera module's imaging quality. Furthermore, the deformable light-isolating element provides a certain degree of cushioning and adequate support for the light-transmitting element, preventing it from being crushed.

[0011] In some embodiments, a light-shielding layer is provided between the light-isolating member and the light-transmitting member, and the light-shielding layer is used to absorb at least a portion of the light emitted by the light-emitting module.

[0012] The light shielding layer can absorb at least part of the light emitted by the light emitting module, thereby preventing part of the light from being reflected by the light-transmitting component and forming stray light that affects the imaging quality of the camera module.

[0013] In some embodiments, in the circumferential direction of the camera module, the width of the light shielding layer is greater than the width of the light partition.

[0014] The width of the shading layer is greater than the width of the light-isolating member, which ensures that a shading layer is formed around the light-isolating member, so that at least part of the light emitted by the light-emitting module to the light-isolating member can be absorbed by the shading layer, thereby reducing the stray light reflected by the transparent member and affecting the imaging quality of the camera module.

[0015] In some embodiments, the light shielding layer includes an inner ring and an outer ring. The inner ring and the outer ring are located on either side of the light barrier, respectively, along the circumference of the camera module. The outer ring is further away from the optical axis of the camera module than the inner ring, and the outer ring of the light shielding layer is at least partially located within the light emitting range of the light emitting module.

[0016] The outer ring of the light-shielding layer is at least partially located within the light-emitting range of the light-emitting module. At least part of the light emitted by the light-emitting module to the outside of the light-isolating member can be absorbed by the outer ring of the light-shielding layer, thereby reducing the stray light reflected by the transparent member and affecting the imaging quality of the camera module.

[0017] In some embodiments, the light shielding layer includes an inner ring and an outer ring. The inner ring and the outer ring are located on either side of the light barrier, respectively, along the circumference of the camera module. The outer ring is further away from the optical axis of the camera module than the inner ring, and at least a portion of the inner ring of the light shielding layer is located outside the imaging range of the camera module.

[0018] The inner circle of the light-shielding layer is at least partially located outside the imaging range of the camera module. On the one hand, it can ensure the effect of the light-shielding layer in isolating stray light. On the other hand, it can prevent part of the light-shielding layer from blocking the imaging light reflected back to the camera module from the inside of the mouth, thereby avoiding affecting the normal imaging of the camera module.

[0019] In some embodiments, the thickness of the light-transmitting member in the optical axis direction of the camera module is less than or equal to 4 mm.

[0020] The thickness of the light-transmitting component is less than or equal to 4 mm, which not only controls the weight and cost of the light-transmitting component within a reasonable range, but also shortens the path of the light emitted by the light-emitting module through the light-transmitting component, reduces the light absorbed and scattered by the light-transmitting component itself, and reduces the light reflected from the side of the light-transmitting component away from the light-emitting module and then entering the camera module, thereby reducing interference and ensuring the imaging quality of the camera module.

[0021] In some embodiments, the light emitting module includes a plurality of light sources, which surround the periphery of the camera module and are spaced apart from the light-transmitting member. The light-isolating member is annular and is disposed on the end face of the camera module close to the light-transmitting member.

[0022] Multiple light sources surround the perimeter of the camera module, creating a uniform light pattern. This ensures uniform lighting around the camera module, further preventing areas of excessive darkness within the camera module's imaging range and ensuring high-quality imaging. The light barrier is annular, coinciding with the arrangement of the light sources, ensuring its ability to isolate stray light and maintain high-quality imaging.

[0023] In some embodiments, in the optical axis direction of the camera module, a first distance between the camera module and the light-transmitting element is smaller than a second distance between the light-emitting module and the light-transmitting element.

[0024] The first distance is smaller than the second distance, that is, the height of the camera module is greater than the height of the light-emitting module, ensuring that the light-transmitting part will not squeeze the light-emitting module during assembly, and also allowing the light-transmitting part to be supported by the light-isolating part between the camera module and the light-transmitting part, facilitating the fixed installation of the light-transmitting part.

[0025] In some embodiments, the light emitting module includes a plurality of light sources, the plurality of light sources are used to emit light of different wavelength bands, and the plurality of light sources emit light alternately.

[0026] Multiple light sources can emit light of different wavelengths, which can capture different image information. The camera module can capture richer image information when supplemented with different light sources. The alternating emission of multiple light sources also allows the oral scanner to provide different scanning modes, expanding its application scenarios.

[0027] In some embodiments, the plurality of light sources include a first light source and a second light source, wherein the first light source is configured to emit light of a first wavelength band, and the second light source is configured to emit light of a second wavelength band, wherein the first wavelength band is different from the second wavelength band.

[0028] The light of the first band and the light of the second band pass through the light-transmitting component and are reflected inside the oral cavity, and can carry different information back to the camera module, thereby enabling the camera module to obtain richer image information.

[0029] In some embodiments, the housing includes a base and a cover. The base is provided with a loading cavity and a light-transmitting hole communicating with the loading cavity. The light-emitting module, the camera module, and the light-isolating member are all housed within the loading cavity. The cover is provided with a through hole, which is mounted on the base. The through hole is correspondingly communicated with the light-transmitting hole, and the light-transmitting member is disposed in and covers the through hole.

[0030] The cover is provided with a through hole to provide installation space for the light-transmitting component. The through hole is connected to the light-transmitting hole, that is, the through hole and the light-transmitting hole are aligned in the direction of the optical axis of the camera module, which ensures that the light emitted by the light-emitting module passes through the through hole and the light-transmitting hole without being blocked.

[0031] In some embodiments, the base includes a first base and a second base, and the first base and the second base are detachably connected.

[0032] The first base and the second base are detachably connected, which is convenient for maintenance and replacement of the first base and the second base.

[0033] In some embodiments, the base includes a base body and a boss, the boss extending from the base body, the light-transmitting hole passes through the base body and the boss, the cover is disposed on the boss, and the light-transmitting member is supported on the boss.

[0034] The cover is mounted on the boss, which simplifies alignment and facilitates installation. Furthermore, the boss restricts movement and prevents displacement. The light-transmitting element rests on the boss, providing support and further securing it, preventing displacement due to vibration or impact.

[0035] In some embodiments, the base body is provided with a through-mounting hole, the base body is provided with a fastener, the mounting hole is arranged around the boss, the cover body is provided with a mounting piece, the fastener passes through the mounting hole and is connected to the mounting piece, so that the cover body is connected to the base.

[0036] The fastener passes through the mounting hole and is connected to the mounting piece, so as to fix the cover body on the base. The mounting hole provides a location for the connection between the fastener and the mounting piece, so as to facilitate the connection between the fastener and the mounting piece.

[0037] In some embodiments, the host further includes a sealing member, which is sleeved on the fastener and located between the outer side wall of the fastener and the inner side wall of the mounting hole.

[0038] The seal seals the gap between the outer wall of the fastener and the inner wall of the mounting hole, preventing fluid from flowing into the main unit through the gap and improving the main unit's waterproof rating. Furthermore, the seal is low-cost and does not occupy additional installation space in the housing.

[0039] In some embodiments, the host further includes a motherboard disposed within the housing. The camera module includes a lens base and a lens barrel. The lens base is mounted on the motherboard. The light-emitting module includes a partition and a light source. The partition is mounted on top of the lens base, and the light source is mounted on the partition and electrically connected to the motherboard. The lens barrel is mounted on the lens base and extends through the partition.

[0040] The lens mount is installed on the mainboard, which enables the camera module to be fixed to the mainboard, so that the lens barrel can stably receive the light for imaging; the lens barrel is installed on the lens mount and penetrated by a partition, which can prevent the partition from blocking the lens barrel and thus affecting the imaging range of the camera module, ensuring that the lens barrel is not affected when receiving imaging light.

[0041] The present application also provides an oral scanning device, which includes the host described in any one of the above embodiments.

[0042] The main unit of the oral scanning device emits light through the light-emitting module, so that the area inside the oral cavity illuminated by the light and the area within the imaging range of the camera module have high brightness, thereby ensuring the imaging quality of the camera module. At the same time, the light-isolating member can block at least part of the light emitted by the light-emitting module, preventing at least part of the light reflected by the light-transmitting member from entering the camera module and affecting the imaging quality of the camera module.

[0043] In certain embodiments, the oral scanning device further includes an opening assembly. The opening assembly is connected to the main unit and surrounds the camera module. The opening assembly has through-holes extending through opposite ends thereof, with the camera module corresponding to the through-holes. The end of the opening assembly distal from the main unit is configured to abut any portion of the oral cavity so that the portion is within the depth of field of the camera module.

[0044] The end of the opening component away from the host is used to abut against any part of the mouth, which can ensure that the mouth and the camera component are at a certain distance so that the part of the mouth is within the depth of field of the camera module, which is convenient for imaging.

[0045] In some embodiments, the light emitted by the light emitting module at least covers the end of the opening component away from the host.

[0046] The light emitted by the light emitting module at least covers the end of the opening component away from the main unit, so that the light at the end of the opening component away from the main unit is uniform and the situation of local darkness is avoided.

[0047] In some embodiments, the light emitting module includes a light source, and the light emitted by the light source at least covers the end of the opening component away from the host.

[0048] The light emitted by a single light source can cover at least the end of the opening assembly away from the main unit, ensuring that the area within the oral cavity illuminated by the light emitted by the light module is at least consistent with the field of view of the camera module. All areas within the camera module's imaging range have high brightness, thus ensuring the camera module's imaging quality. Furthermore, the single light source not only saves component costs, but also allows the light module to be smaller, occupying less space within the housing, freeing up more space for other components.

[0049] In some embodiments, the light emitting module includes a plurality of light sources, and the union range of the light emitted by the plurality of light sources at least covers the end of the opening component away from the host.

[0050] The combined light from the multiple light sources covers at least the end of the opening assembly facing away from the main unit, ensuring that the area within the oral cavity illuminated by the light from the light-emitting module is at least consistent with the camera module's field of view. This ensures high brightness across all areas within the camera module's imaging range, thus ensuring high-quality imaging. Furthermore, a single light source can be used with lower power or standard specifications, also saving costs.

[0051] In some embodiments, the light emitting module includes a plurality of light sources, and the light emitted by any one of the plurality of light sources at least covers the end of the opening component away from the host.

[0052] The light emitted by any one of the multiple light sources can at least cover the end of the opening component away from the main unit, ensuring that the area within the oral cavity illuminated by the light emitted by the light-emitting module is at least consistent with the field of view of the camera module. All areas within the imaging range of the camera module have high brightness, thereby ensuring the imaging quality of the camera module. At the same time, if one of the light sources is damaged and cannot be used, the other light sources can still emit light that can cover the end of the opening component away from the main unit. In other words, the other light sources can still provide fill light, and the supplementary light will not cause the problem of localized darkness.

[0053] In some embodiments, the light emitting module includes multiple light sources, which are used to emit light of different wavelengths, and the union range formed by the light sources emitting light of the same wavelength covers at least one end of the opening component away from the host.

[0054] Multiple light sources are used to emit light of different wavelengths, enabling the camera module to produce clear images even in supplemental lighting environments with varying wavelengths. Furthermore, the combined range of light emitted by light sources emitting light of the same wavelength can cover at least the end of the opening assembly away from the main unit. This ensures that the area within the oral cavity illuminated by the light emitted by the light-emitting module is at least consistent with the camera module's field of view. All areas within the camera module's imaging range have high brightness, thus ensuring the camera module's imaging quality.

[0055] In some embodiments, the light-isolating member includes an inner wall and an outer wall, the inner wall is closer to the optical axis of the camera module than the outer wall, and the intersection of the line connecting the center of the light source of the light-emitting module and the outer wall of the light-isolating member and the optical axis of the camera module is located inside the opening component.

[0056] The intersection is located inside the opening component, ensuring that the illumination ranges of multiple light sources intersect, so that all areas within the imaging range of the camera module have high brightness, thereby ensuring the imaging quality of the camera module.

[0057] In some embodiments, the opening assembly includes a support member and a deformable member, at least a portion of the deformable member is sleeved on one end of the support member, and the other end of the support member is connected to the host.

[0058] The support member is located at the end closest to the main unit, ensuring a stable connection between the support member and the main unit, and preventing it from scratching the mouth when being put into or taken out of the mouth, causing it to fall off. At least a portion of the deformable member is located at the end of the support member away from the main unit, ensuring a softer contact with the mouth, and preventing it from puncturing or scratching the user. The abutment portion abuts against the side of the light-transmitting member away from the camera module, clamping and securing the light-transmitting member in the direction of the optical axis, preventing it from falling off.

[0059] In some embodiments, the support member further includes an abutment portion, which extends from an inner wall of the support member in a direction close to the axis of the opening assembly, and the abutment portion abuts against a side of the light-transmitting member away from the camera module.

[0060] The abutting portion abuts against a side of the light-transmitting member away from the camera module, and can clamp and fix the light-transmitting member in the direction of the optical axis to prevent the light-transmitting member from falling off.

[0061] In some embodiments, the host includes a light-emitting module, and a first angle between a line from the center of the light source of the light-emitting module to the inner edge of the abutment portion and the optical axis of the camera module is greater than a second angle between a line from the center of the light source to the inner edge of an end of the opening component away from the camera module and the optical axis of the camera module.

[0062] The first angle can be used to limit the outermost edge of the illumination range of the light-emitting module, and the second angle can be used to limit the outermost edge of the imaging range of the camera module. The first angle is greater than the second angle, that is, the illumination range of the light-emitting module covers the imaging range of the camera module, and all areas within the imaging range of the camera module have high brightness, thereby ensuring the imaging quality of the camera module.

[0063] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0064] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0065] Figure 1 is a schematic three-dimensional assembly diagram of an oral scanning device according to certain embodiments of the present application;

[0066] Figure 2 yes Figure 1 A schematic exploded perspective view of the oral scanning device shown;

[0067] Figure 3 yes Figure 1 A schematic exploded perspective view of the oral scanning device shown;

[0068] Figure 4 yes Figure 1 A cross-sectional schematic diagram of the oral scanning device shown;

[0069] Figure 5 yes Figure 4 Enlarged schematic diagram of point V in the middle.

[0070] Description of main component symbols:

[0071] Oral scanning device 100; main body 10; camera module 11; lens holder 111; lens barrel 113; housing 12; base 121; loading chamber 123; light-transmitting hole 125; first base body 1211; second base body 1213; base body 1215; mounting hole 12151; fastener 12153; boss 1217; cover body 123; through hole 1231; mounting member 1233; light-emitting module 13; light source 131; first light source 1311; second light source 1312; partition 133; light-transmitting member 14; light-isolating member 151; inner wall 1511; outer wall 1513; light-shielding layer 153; inner ring 1531; outer ring 1533; main board 17; sealing member 18; opening assembly 30; support member 33; abutment portion 337; inner wall 301; deformable member 35. DETAILED DESCRIPTION

[0072] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the embodiments of the present application, and should not be understood as limiting the embodiments of the present application.

[0073] In the description of the present application, it should be understood that the terms "thickness", "upper", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0074] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. In an example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements.

[0075] See also Figures 1 to 3 , an embodiment of the present application provides a host 10 of an oral scanning device 100. The host 10 includes a camera module 11, a shell 12, a light-emitting module 13, a light-transmitting member 14 and a light-isolating member 151. The light-emitting module 13 is arranged in the shell 12 and is used to emit light outside the shell 12. The camera module 11 is arranged in the shell 12 and is spaced apart from the light-emitting module 13. The camera module 11 is used to receive light reflected back from the inside of the oral cavity. The light-transmitting member 14 is arranged in the shell 12 and is opposite to both the light-emitting module 13 and the camera module 11. The light-transmitting member 14 is used to transmit light. In the optical axis direction of the camera module 11, the light-isolating member 151 is arranged between the light-transmitting member 14 and the camera module 11, and is used to block at least part of the light emitted by the light-emitting module 13 and reflected by the light-transmitting member 14 from entering the camera module 11.

[0076] The oral scanning device 100 is an instrument for detecting the state of the human oral cavity, and includes a main unit 10 and an opening component 30. When in use, the opening component 30 is placed against the human oral cavity, and the main unit 10 obtains internal oral cavity images and / or video information to analyze the user's oral condition.

[0077] Specifically, the shell 12 is a structure for installing other components of the host 10 and accommodating the other components inside the shell 12. The shell 12 can protect the other components. Other components include but are not limited to the light-emitting module 13, the camera module 11, the light-transmitting component 14 and the light-isolating component 151. The cross-sectional shape of the shell 12 can be, but is not limited to, circular, elliptical, rectangular or other polygons. The cross-sectional shape of the shell 12 of the present application is a runway shape. The material of the shell 12 can be plastic or metal. In the case where the material of the shell 12 is plastic, the shell 12 has good insulation performance, low cost, and light weight. In the case where the material of the shell 12 is metal, the shell 12 has high strength, good wear resistance, and a long service life.

[0078] The light-emitting module 13 is housed inside the shell 12 and is used to emit light. The light-emitting module 13 includes but is not limited to LED lamps, laser diodes or other types of light-emitting elements. The light-emitting module 13 can emit visible light to the outside of the shell 12 to illuminate the interior of the oral cavity, and can also emit light of a specific wavelength band, such as fluorescence or ultraviolet light, to meet different imaging needs. The light-emitting module 13 can be one or more, and is not limited in this application. It is understandable that the light-emitting module 13 can adjust the emitted light to adjust the brightness, color temperature, direction and other properties of the light according to different environments in the oral cavity. The adjustment methods include but are not limited to setting knob adjustment, touch screen adjustment, voice control adjustment, software interface adjustment or automatic adjustment by built-in sensors. Under different environments in the oral cavity, the light-emitting module 13 can provide light of different types and intensities to improve the environment inside the oral cavity and provide a good imaging environment for the camera module 11.

[0079] The camera module 11 is located within the housing 12 and is capable of capturing and receiving light reflected from the interior of the oral cavity. The light is processed by the camera module 11 to form an image or video. The light received by the camera module 11 includes, but is not limited to, natural light, infrared light, and ultraviolet light. The number of camera modules 11 can be one or more (two or more), and is not limited in this application.

[0080] In one example, the camera module 11 can be a two-dimensional camera module. In this case, the two-dimensional camera module includes a lens and an image sensor. The lens collects light within the field of view (light from the area to be scanned) and transmits the light to the image sensor. The image sensor converts the light signal into an electrical signal, and after a series of conversions, it ultimately forms a two-dimensional image. For example, the camera module 11 can be a two-dimensional infrared camera module. In this case, the light-emitting module 13 is used to emit infrared light. The infrared light emitted by the light-emitting module 13 is irradiated on the area to be scanned. The interior of the oral cavity will reflect a portion of the infrared light. The infrared camera module captures the reflected infrared light and converts it into a digital signal. After the digital signal is processed by a computer, an infrared image can be generated. For another example, the camera module 11 can be a two-dimensional ultraviolet camera module. In this case, the light-emitting module 13 is used to emit ultraviolet light. The ultraviolet light emitted by the light-emitting module 13 is irradiated on the area to be scanned. The interior of the oral cavity will reflect a portion of the ultraviolet light. The infrared camera module captures the reflected ultraviolet light and converts it into a digital signal. After the digital signal is processed by a computer, an ultraviolet image can be generated.

[0081] In another example, the camera module 11 may be a time-of-flight camera. The time-of-flight camera first emits a laser pulse to illuminate the part to be scanned. The laser pulse reaches the object to be photographed and is reflected back. The time-of-flight camera can calculate the distance from the part to be scanned to the time-of-flight camera by the time the pulse is emitted and the time it is reflected back, thereby forming a three-dimensional image. This application is described as an example in which the camera module 11 is a two-dimensional camera module. In an embodiment in which the camera module 11 is a two-dimensional camera module, the camera module 11 includes a lens base 111 and a lens barrel 113, and the host 10 also includes a main board 17. The lens base 111 of the camera module 11 is mounted on the main board 17 and is electrically connected to the main board 17. The lens barrel 113 is used to guide the reflected light to the image sensor for imaging.

[0082] The light-transmitting member 14 is arranged opposite to the light-emitting module 13, and is also arranged opposite to the camera module 11. The light-transmitting member 14 can be made of materials such as glass, plastic or crystal. The light-transmitting member 14 can serve as a barrier between the external environment and the camera module 11, preventing dust, moisture or other dirt from entering the interior of the housing 12, and protecting the light-emitting module 13 and the camera module 11 from contamination. The light-transmitting member 14 can also have certain optical properties. When the light-emitting module 13 is working, the light emitted by the light-emitting module 13 can pass through the light-transmitting member 14 and be emitted to the inner part of the oral cavity, and the light reflected by the inner part of the oral cavity can also pass through the light-transmitting member 14 and enter the camera module 11. To generate an image. The light-transmitting member 14 can pass through the light emitted by the light-emitting module 13, ensuring that the light can effectively illuminate the inner part of the oral cavity, improving the ambient brightness in the oral cavity, and thus improving the imaging quality of the camera module 11. There can be one or more light-transmitting members 14. In embodiments where there are multiple light-transmitting members 14, the multiple light-transmitting members 14 may have different properties such as size, shape, or transmittance. Furthermore, the light-transmitting members 14 may be coated with coatings having different optical properties, such as an anti-reflection coating to increase light transmittance, an anti-reflection coating to reduce stray reflections, a filter coating to filter light of specific wavelengths, and an anti-fog coating to prevent fogging.

[0083] The light isolating member 151 is arranged between the light-transmitting member 14 and the camera module 11, and is used to block at least part of the light emitted by the light-emitting module 13 and reflected by the light-transmitting member 14 from entering the camera module 11. The light isolating member 151 can be one or more. In an embodiment where there are multiple light isolating members 151, the size, shape and other properties of the multiple light isolating members 151 can be different or the same. More specifically, a part of the light emitted by the light-emitting module 13 can pass through the light-transmitting member 14 and be emitted to the inner part of the oral cavity. After the light is reflected by the inner part of the oral cavity, it can pass through the light-transmitting member 14 and enter the camera module 11. However, a part of the light will not be emitted to the inner part of the oral cavity, but will be directly reflected by the light-transmitting member into the imaging range of the camera module, which will affect the imaging quality. The light isolation member 151 is arranged between the light transmitting member 14 and the camera module 11. On the one hand, it can prevent part of the light from being emitted to the light transmitting member 14, thereby preventing this part of the light from being reflected by the light transmitting member 14 into the imaging range of the camera module 11; on the other hand, when part of the light is reflected by the light transmitting member 14 and emitted into the imaging range of the camera module 11, the light isolation member 151 can be located on the light emitting path of part of the light, thereby preventing the light reflected by the light transmitting member 14 from entering the camera module 11.

[0084] The host 10 of the present application emits light to the area inside the oral cavity through the light-emitting module 13, so that the area within the imaging range of the camera module 11 has a high brightness, thereby ensuring the imaging quality of the camera module 11. At the same time, the light-isolating member 151 can block at least part of the light emitted by the light-emitting module 13, thereby preventing at least part of the light reflected by the transparent member 14 from entering the camera module 11 and affecting the imaging quality of the camera module 11.

[0085] See also Figure 3 In some embodiments, the camera module 11 is at least partially located in the light isolation member 151 , and the hardness of the light isolation member 151 is less than the hardness of the light transparent member 14 .

[0086] Specifically, the light-isolating member 151 can be a material with a certain hardness, such as plastic or metal. The light-transmitting member 14 with a higher hardness is not easy to break, and the light-transmitting member 14 can always play a role in protecting the components in the housing 12, such as the camera module 11 and the light-emitting module 13, from being affected by dust, moisture or other impurities. The light-transmitting member 14 with a higher hardness is also not easy to wear and produce scratches on the surface, thereby ensuring good light transmission performance. The camera module 11 is at least partially located in the light-isolating member 151, which can reduce or even avoid the probability of stray light bypassing the light-isolating member 151 and entering the imaging range of the camera module 11, further ensuring that there are no ghost images in the images captured by the camera module 11, and improving the imaging quality of the camera module 11.

[0087] The light isolation member 151 is provided between the light-transmitting member 14 and the camera module 11. The light isolation member 151 having a relatively low hardness can prevent the light-transmitting member 14 and the camera module 11 from being bumped. When subjected to an external force (for example, when the light-transmitting member 14 is pressed from the outside), the light isolation member 151 having a relatively low hardness can provide a certain buffer and appropriate support force for the light-transmitting member 14 to prevent the light-transmitting member 14 from being crushed. In addition, the light isolation member 151 can also reduce the impact of the external force on the camera module 11 to prevent the camera module 11 from being damaged. When the light-emitting component is emitting light, the light isolation member 151 can also allow the camera module 11 to be at least partially located within the light isolation member 151 to form a tight fit, thereby preventing stray light from entering the imaging range of the camera module 11 from the gap between the light isolation member 151 and the camera module 11, further improving the light isolation effect and preventing light leakage.

[0088] Please continue reading Figure 3 In some embodiments, the light-transmitting member 14 includes a lens, and the light-isolating member 151 is a deformable light-isolating member 151 .

[0089] Specifically, the light isolating member 151 can be made of a deformable material with a certain elasticity, such as silicone, polyurethane, rubber, etc. The light-transmitting member 14 is a lens, which can ensure that the light-transmitting member 14 has a high hardness while also ensuring the light transmission performance of the light-transmitting member 14. In addition, the deformable light isolating member 151 is easy to install and can easily form a tight fit with the camera module 11, thereby preventing stray light reflected by the light-transmitting member 14 from entering the imaging range of the camera module 11 through the gap between the light isolating member 151 and the camera module 11, thereby improving the effect of isolating stray light and ensuring the imaging quality of the camera module 11. In addition, the deformable light isolating member 151 can provide a certain buffer and appropriate support force for the light-transmitting member 14 to prevent the light-transmitting member 14 from being crushed.

[0090] See also Figure 4 and Figure 5 In some embodiments, a light shielding layer 153 is provided between the light-isolating member 151 and the light-transmitting member 14 . The light shielding layer 153 is used to absorb at least part of the light emitted by the light-emitting module 13 .

[0091] Specifically, the light shielding layer 153 can absorb at least a portion of the light emitted by the light-emitting module 13, thereby preventing some of the light from being reflected by the light-transmitting member 14 and forming stray light that affects the imaging quality of the camera module 11, thereby further enhancing the light-isolating effect. The light shielding layer 153 is disposed between the light-isolating member 151 and the light-transmitting member 14. The light shielding layer 153 can be a single layer or multiple layers. In an embodiment in which the light shielding layer 153 is multi-layered, the structures of different layers can have different characteristics to absorb light of different wavelengths.

[0092] In some embodiments, the light shielding layer 153 and the light-transmitting member 14 are an integral structure, that is, the light shielding layer 153 is disposed on the side of the light-transmitting member 14 close to the light-isolating member 151. Therefore, the light shielding layer 153 and the light-transmitting member 14 are an integral structure, thereby improving the bonding strength between the light shielding layer 153 and the light-transmitting member 14, and preventing the light shielding layer 153 and the light-transmitting member 14 from separating during operation of the oral scanning device 100. In other embodiments, the light shielding layer 153 and the light-isolating member 151 are an integral structure, that is, the light shielding layer 153 is disposed on the side of the light-isolating member 151 close to the light-transmitting member 14. Therefore, the light shielding layer 153 and the light-isolating member 151 are an integral structure, thereby improving the bonding strength between the light shielding layer 153 and the light-isolating member 151, and preventing the light shielding layer 153 and the light-isolating member 151 from separating during operation of the oral scanning device 100. In some other embodiments, the shading layer 153, the light-transmitting member 14 and the light-isolating member 151 are three different structures, and the shading layer 153 is sandwiched between the light-transmitting member 14 and the light-isolating member 151, thereby facilitating the maintenance and replacement of the shading layer 153.

[0093] The light shielding layer 153 can absorb at least a portion of the light emitted by the light emitting module 13 to prevent the light from being reflected by the light-transmitting element 14 and forming stray light that affects the imaging quality of the camera module 11 .

[0094] Please continue reading Figure 4 and Figure 5 In some embodiments, in the circumferential direction R of the camera module 11 , the width of the light shielding layer 153 is greater than the width of the light isolation member 151 .

[0095] Specifically, the width of the shading layer 153 is greater than the width of the light-isolating member 151, that is, in the circumferential direction R of the camera module 11, the luminous range of the light-emitting module 13 covered by the shading layer 153 is greater than the luminous range of the light-emitting module 13 covered by the light-isolating member 151. Thus, it can be ensured that the shading layer 153 is formed around the light-isolating member 151, so that at least part of the light emitted by the light-emitting module 13 to the light-isolating member 151 can be absorbed by the shading layer 153, thereby reducing the stray light reflected by the transparent member 14 and affecting the imaging quality of the camera module 11.

[0096] Please continue reading Figure 4 and Figure 5 In some embodiments, the light shielding layer 153 includes an inner ring 1531 and an outer ring 1533. In the circumferential direction R of the camera module 11, the inner ring 1531 and the outer ring 1533 are located on either side of the light shielding member 151. The outer ring 1533 is further away from the optical axis X of the camera module 11 than the inner ring 1531. The outer ring 1533 of the light shielding layer 153 is at least partially located within the light emitting range of the light emitting module 13.

[0097] Specifically, the light shielding layer 153 can be in the shape of a rectangular ring, a circular ring, an elliptical ring, or other shapes, and is not limited in the present application. In an embodiment of the present application, the light shielding layer 153 is annular and includes an inner ring 1531 and an outer ring 1533. The outer ring 1533 is at least partially located within the light emitting range of the light emitting module 13, which can prevent light from being reflected from the position between the outer ring 1533 and the light barrier 151 into the imaging range of the camera module 11 and affecting the imaging effect. That is, the outer ring 1533 of the light shielding layer 153 is at least partially located within the light emitting range of the light emitting module 13. At least part of the light emitted by the light emitting module 13 to the outside of the light barrier 151 can be absorbed by the outer ring 1533 of the light shielding layer 153, thereby reducing the stray light reflected by the light-transmitting member 14 and affecting the imaging quality of the camera module 11.

[0098] Please continue reading Figure 4 and Figure 5 In some embodiments, the inner circle 1531 of the light shielding layer 153 is at least partially located outside the imaging range of the camera module 11.

[0099] Specifically, the inner circle 1531 of the light-shielding layer 153 is at least partially located outside the imaging range of the camera module 11. On the one hand, it can ensure the effect of the light-shielding layer 153 in isolating stray light. On the other hand, it can prevent part of the light-shielding layer 153 from blocking the imaging light reflected back to the camera module 11 from the inside of the oral cavity, thereby avoiding affecting the normal imaging of the camera module 11.

[0100] Please continue reading Figure 4 and Figure 5 In some embodiments, in the optical axis direction of the camera module 11, the thickness of the light-transmitting member 14 is less than or equal to 4 mm.

[0101] Specifically, the thickness of the light-transmitting member 14 can be 0.5 mm, 1.2 mm, 1.5 mm, 2.2 mm, 2.5 mm, 3.2 mm, 3.5 mm, 3.7 mm, 3.9 mm, or 4 mm. If the thickness of the light-transmitting member 14 is greater than 4 mm, the weight and cost of the light-transmitting member 14 will increase accordingly. In addition, an overly thick light-transmitting member 14 will cause the path of the light emitted by the light-emitting module 13 to pass through the light-transmitting member 14 to become longer, making the light easily absorbed and scattered by the material of the light-transmitting member 14 itself. A thickness of the light-transmitting member 14 of 4 mm or less not only keeps the weight and cost of the light-transmitting member 14 within a reasonable range, but also shortens the path of the light emitted by the light-emitting module 13 to pass through the light-transmitting member 14, reduces the light absorbed and scattered by the light-transmitting member 14 itself, and reduces the light reflected from the side of the light-transmitting member 14 away from the light-emitting module 13 and entering the camera module 11, thereby reducing interference and ensuring the imaging quality of the camera module 11.

[0102] See also Figure 3 and Figure 4 In some embodiments, the light emitting module 13 includes a plurality of light sources 131 , which surround the periphery of the camera module 11 and are spaced apart from the light transmissive member 14 . The light isolating member 151 is annular and is disposed on the end surface of the camera module 11 near the light transmissive member 14 .

[0103] Specifically, the light emitting module 13 includes a plurality of light sources 131, and the light source 131 can be one or more of an LED or a laser diode. When the light emitting module 13 includes one light source 131, the cross-sectional shape of the one light source 131 can be a circular ring, an elliptical ring, a triangular ring, a quadrilateral ring or other polygonal ring, etc. When the light emitting module 13 includes multiple light sources 131, the multiple light sources 131 can be arranged in a ring, an arc or a matrix to achieve a specific lighting effect and coverage area. In an embodiment of the present application, the multiple light sources 131 are arranged in a ring to surround the periphery of the camera module 11. Thus, the multiple light sources 131 surround the periphery of the camera module 11, and can form uniform light, ensuring that the camera module 11 can have uniform light in the circumferential direction, further avoiding the problem of local excessive darkness in all areas within the imaging range of the camera module 11, thereby ensuring the imaging quality of the camera module 11. The light isolation member 151 is annular in shape, corresponding to the arrangement of the light sources 131 . Thus, the light isolation member 151 can be guaranteed to isolate stray light and ensure the imaging quality of the camera module 11 .

[0104] See also Figure 4 and Figure 5 In some embodiments, in the optical axis direction of the camera module 11 , a first distance L1 between the camera module 11 and the light-transmitting member 14 is smaller than a second distance L2 between the light-emitting module 13 and the light-transmitting member 14 .

[0105] Specifically, L1 is less than L2, that is, L1 can be 2 / 3L2, 3 / 4L2, 4 / 5L2, 5 / 6L2, 6 / 7L2, 8 / 9L2, 10 / 11L2, 11 / 12L2, or 12 / 13L2. If L1 is greater than or equal to L2, the light-emitting module 13 is closer to the light-transmitting element 14 along the optical axis of the camera module 11. After the light-transmitting element 14 and the light-emitting module 13 are assembled, the light-transmitting element 14 will squeeze the light-transmitting element 13, causing compression between the light-transmitting element 14 and the light-transmitting element 13, resulting in damage to the light-transmitting element 14 and / or the light-transmitting element 13. In the embodiment of the present application, L1 is smaller than L2, that is, the height of the camera module 11 is greater than the height of the light-emitting module 13, ensuring that the light-transmitting member 14 will not squeeze the light-emitting module 13 during assembly, and also allowing the light-transmitting member 14 to be carried on the light-isolating member 151 between the camera module 11 and the light-transmitting member 14, thereby facilitating the fixed installation of the light-transmitting member 14.

[0106] See also Figure 3 In some embodiments, the plurality of light sources 131 are used to emit light of different wavelength bands, and the plurality of light sources 131 emit light alternately.

[0107] Specifically, light of different wavelengths can capture different image information. After multiple light sources 131 emit light of different wavelengths, the light passes through the light-transmitting member 14 and is reflected from the interior of the oral cavity. The light of different wavelengths can carry different information back to the camera module 11. As a result, the camera module 11 can obtain richer image information under the supplementary lighting effect of different light sources 131. For example, light of the visible light band can carry information about the arrangement of teeth in the oral cavity and provide illumination for the interior of the oral cavity, while light of the ultraviolet light band can carry information about dental plaque on the surface of the teeth. The alternating emission of light by multiple light sources 131 can also enable the oral scanning device 100 to provide different scanning modes, expanding the application scenarios of the oral scanning device 100.

[0108] See also Figure 3 In some embodiments, the plurality of light sources 131 include a first light source 1311 and a second light source 1312. The first light source 1311 is configured to emit light of a first wavelength band, and the second light source 1312 is configured to emit light of a second wavelength band. The first wavelength band is different from the second wavelength band.

[0109] Specifically, the first light source 1311 emits light of the first wavelength band, and the second light source 1312 emits light of the second wavelength band. The light of the first wavelength band and the light of the second wavelength band pass through the light-transmitting member 14, and after being reflected inside the oral cavity, they can carry different information back to the camera module 11, thereby enabling the camera module 11 to obtain richer image information.

[0110] See also Figure 3 and Figure 4 In some embodiments, the housing 12 includes a base 111 and a cover 123. The base 111 defines a loading chamber 1111 and a light-transmitting hole 125 communicating with the loading chamber 1111. The light-emitting module 13, the camera module 11, and the light-isolating member 151 are all accommodated within the loading chamber 1111. The cover 123 defines a through hole 1231. The cover 123 is mounted on the base 111. The through hole 1231 communicates with the light-transmitting hole 125. The light-transmitting member 14 is disposed within and covers the through hole 1231.

[0111] Specifically, the loading chamber 1111 can accommodate some components of the host 10. The through hole 1231 is correspondingly connected to the light-transmitting hole 125, that is, the through hole 1231 and the light-transmitting hole 125 are aligned in the optical axis direction of the camera module 11, which can ensure that the light emitted by the light-emitting module 13 passes through the through hole 1231 and the light-transmitting hole 125 without being affected. The opening shape of the through hole 1231 and the light-transmitting hole 125 can be, but is not limited to, a circle, an ellipse, a triangle, a quadrilateral or other polygons. It can be understood that the number of the through holes 1231 and the light-transmitting holes 125 is the same. The through hole 1231 can be one or more. The light-transmitting member 14 is arranged in the through hole 1231 and covers the through hole 1231, that is, the light-transmitting member 14 is located in the through hole 1231, and the cover body 123 abuts against the light-transmitting member 14 in the circumferential direction R to further fix the light-transmitting member 14.

[0112] See also Figure 3 and Figure 4 In some embodiments, the base 111 includes a first base body 1211 and a second base body 1213 , and the first base body 1211 and the second base body 1213 are detachably connected.

[0113] Specifically, in one division method of the base 111, the base 111 includes a first base body 1211 and a second base body 1213. The first base body 1211 is a structure for mounting other components of the host 10, and the other components are housed within the first base body 1211 to protect the other components. The other components include, but are not limited to, the light-emitting module 13, the camera module 11, the light-transmitting member 14, and the light-isolating member 151. The cross-sectional shape of the first base body 1211 can be, but is not limited to, circular, elliptical, rectangular, or other polygonal. In the present application, the cross-sectional shape of the first base body 1211 is a runway shape. The material of the first base body 1211 can be plastic or metal. When the material of the first base body 1211 is plastic, the first base body 1211 has good insulation performance, low cost, and light weight. When the material of the first base body 1211 is metal, the first base body 1211 has high strength, good wear resistance, and a long service life.

[0114] The second base 1213 is used to mount other components of the main unit 10 and house these components within the second base 1213 to protect them. The cross-sectional shape of the second base 1213 is identical to that of the first base 1211, facilitating the connection between the second base 1213 and the first base 1211. The material of the second base 1213 can be the same as or different from that of the first base 1211. The first and second bases 1211 and 1213 are detachably connected, facilitating the maintenance and replacement of each.

[0115] See also Figure 3 and Figure 4 In some embodiments, the base 111 includes a base body 1215 and a boss 1217 , which extends from the base body 1215 . The light-transmitting hole 125 passes through the base body 1215 and the boss 1217 , the cover 123 is covered on the boss 1217 , and the light-transmitting member 14 is supported on the boss 1217 .

[0116] Specifically, in another way of dividing the base 111, the base 111 includes a base body 1215 and a boss 1217. In an embodiment of the present application, the boss 1217 extends from the base body 1215, that is, the boss 1217 and the base body 1215 are an integral structure, thereby improving the bonding strength between the boss 1217 and the base body 1215, preventing the boss 1217 and the base body 1215 from separating during the operation of the base 111, thereby ensuring the stability and reliability of the operation of the base 111. In other embodiments, the boss 1217 and the base body 1215 are split structures, that is, the boss 1217 and the base body 1215 are two different structures. In one example, the boss 1217 and the base body 1215 can be combined together in a detachable connection manner, and the detachable connection manner includes but is not limited to a snap connection or a threaded connection. In another example, the boss 1217 and the base body 1215 may be connected together in a non-detachable connection manner, and the non-detachable connection manner includes but is not limited to bonding or welding.

[0117] Boss 1217 extends from base body 1215. Specifically, boss 1217 protrudes from base body 1215 away from base body 1215, simplifying the alignment process during cover 123 installation. Cover 123 can be directly positioned over boss 1217, facilitating installation. Furthermore, once cover 123 is positioned over boss 1217, boss 1217 limits the movement of cover 123, preventing displacement. Light-transmitting element 14 is supported on boss 1217, providing support and further securing it, preventing displacement due to vibration or impact.

[0118] See also Figure 3 and Figure 4 In some embodiments, the base body 1215 is provided with a through-hole 12151, and a fastener 12153 is provided in the base body 1215. The mounting hole 12151 is arranged around the boss 1217. The cover 123 is provided with a mounting member 1233. The fastener 12153 passes through the mounting hole 12151 and is connected to the mounting member 1233, thereby connecting the cover 123 to the base 111.

[0119] Specifically, the mounting member 1233, the fastener 12153 and the mounting hole 12151 cooperate to connect the cover 123 to the base 111. In one embodiment, the number of mounting hole 12151 is one, and the corresponding number of fastener 12153 and mounting member 1233 is also one. One mounting hole 12151 can be arbitrarily set on the base body 1215, and the positions of the fastener 12153 and the mounting member 1233 correspond to the position of the mounting member 1233. In this case, the mounting hole 12151, the fastener 12153 and the mounting member 1233 use less material, which can save material and facilitate processing. In another embodiment, the number of mounting holes 12151 can be multiple, and the multiple mounting holes 12151 are evenly or unevenly distributed on the base body 1215, and the positions of the multiple fasteners 12153 and the mounting member 1233 respectively correspond to the positions of the multiple mounting holes 12151. The shape of mounting hole 12151 can be, but is not limited to, a circle, an ellipse, a triangle, a quadrilateral, or other polygon. Preferably, the shape of mounting hole 12151 is the same as the cross-sectional shape of fastener 12153 and mounting member 1233, and the cross-sectional area of mounting hole 12151 is the same as the cross-sectional area of fastener 12153 and mounting member 1233, so that mounting hole 12151 serves to secure and limit the fastener 12153 and mounting member 1233. Thus, through the mating connection of mounting hole 12151, fastener 12153, and mounting member 1233, cover 123 can be secured to base body 1215.

[0120] See also Figure 3 In some embodiments, the host 10 further includes a sealing member 18 . The sealing member 18 is sleeved on the fastener 12153 and is located between the outer side wall of the fastener 12153 and the inner side wall of the mounting hole 12151 .

[0121] Specifically, the seal 18 can be made of a variety of materials such as rubber, silicone, polypropylene, etc. The seal 18 can be one or more, and is not limited in this application. The seal 18 can be formed separately and then sleeved on the fastener 12153, or it can be sleeved and molded on the outer wall of the fastener 12153 in the form of rubber encapsulation. The seal 18 can seal the gap between the outer wall of the fastener 12153 and the inner wall of the mounting hole 12151, preventing fluid from flowing into the host 10 through the gap, thereby improving the waterproof level of the host 10. In addition, the seal 18 is low in cost and does not occupy additional installation space of the housing 12.

[0122] See also Figure 3In some embodiments, the host 10 further includes a motherboard 17 disposed within the housing 12. The camera module 11 includes a lens base 31 and a lens barrel 33. The lens base 31 is mounted on the motherboard 17. The light module 13 includes a partition 133 and a light source 131. The partition 133 is mounted on the top of the lens base 31. The light source 131 is mounted on the partition 133 and is electrically connected to the motherboard 17. The lens barrel 33 is mounted on the lens base 31 and passes through the partition 133.

[0123] Specifically, the mainboard 17 is used to connect and transmit electrical signals between the various components within the main unit 10, ensuring the normal operation and functional implementation of the oral scanning device 100. The mainboard 17 controls the operation of components such as the camera module 11 and the light module 13, processes imaging data, and controls the operation of the main unit 10. The lens base 31 is mounted on the mainboard 17, allowing the camera module 11 to be fixed to the mainboard 17, thereby allowing the lens barrel 33 to stably receive imaging light. The light source 131 is mounted on the partition 133 and then electrically connected to the mainboard 17. Specifically, the partition 133 provides a mounting position for the light source 131, allowing the light source 131 and the partition 133 to be connected as a whole, facilitating rapid assembly of the light source 131 on the mainboard 17. The connection between the light source 131 and the partition 133 can be either detachable or non-detachable, and is not limited in this application. The lens barrel 33 is mounted on the lens base 31 and penetrated by the partition 133 to prevent the partition 133 from obstructing the camera imaging range, ensuring that the lens barrel 33 is not affected when receiving imaging light.

[0124] See also Figure 3 The present application further provides an oral scanning device 100. The oral scanning device 100 includes the host 10 of any one of the above embodiments.

[0125] Specifically, the main unit 10 of the oral scanning device 100 of the embodiment of the present application emits light through the light-emitting module 13, so that the area inside the oral cavity illuminated by the light and the area within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11. At the same time, the light-isolating member 151 can block at least part of the light emitted by the light-emitting module 13, thereby preventing at least part of the light reflected by the light-transmitting member 14 from entering the camera module 11 and affecting the imaging quality of the camera module 11.

[0126] See also Figure 3 and Figure 4 In some embodiments, the oral scanning device 100 further includes an opening assembly 30. The opening assembly 30 is connected to the main unit 10 and surrounds the camera module 11. The opening assembly 30 has through-holes extending through opposite ends thereof, with the camera module 11 corresponding to the through-holes. The end of the opening assembly 30 facing away from the main unit 10 is configured to abut against any part of the oral cavity, ensuring that the part is within the depth of field of the camera module 11.

[0127] Specifically, in some embodiments, the opening assembly 30 and the host 10 are integrally structured, that is, the opening assembly 30 and the host 10 form a single, integrated structure. This enhances the bonding strength between the opening assembly 30 and the host 10, preventing separation of the opening assembly 30 and the host 10 during operation of the oral scanning device 100, thereby ensuring the stability and reliability of the operation of the oral scanning device 100. In other embodiments, the opening assembly 30 and the host 10 are separate structures, that is, the opening assembly 30 and the host 10 are two different structures. In one example, the opening assembly 30 and the host 10 can be connected together using a detachable connection method, including but not limited to a snap connection or a threaded connection. In another example, the opening assembly 30 and the host 10 can be connected together using a non-detachable connection method, including but not limited to bonding or welding.

[0128] The opening component 30 is used to maintain a certain distance between the energy receiving module 11 and the part to be scanned, so as to avoid the problem of out-of-focus caused by the distance between the camera module 11 and the part to be scanned being too close.

[0129] When the oral scanning device 100 needs to scan the oral cavity, the end of the opening component away from the main unit 10 can be pressed against the user's oral cavity, such as the gums or teeth, so that the part to be scanned corresponds to the camera module 11, and the camera module 11 can capture an image of the part to be scanned. Because the opening component 30 creates a certain distance between the part to be scanned and the camera module 11, the part to be scanned can be located within the depth of field of the camera module 11, making the image captured by the camera module 11 clearer. Other components inside the main unit 10 can accurately obtain the current oral condition from the captured image, and the user can also intuitively obtain the current oral condition from the captured image, and the scanning effect of the oral scanning device 100 is better. Among them, the depth of field refers to the front and back distance range of the object being photographed measured by the imaging that can obtain a clear image at the front of the camera module 11.

[0130] In the embodiment of the present application, when a user is scanning the oral cavity, the end of the opening assembly 30 facing away from the main unit 10 abuts against any part of the oral cavity, thereby maintaining a certain distance between the camera module 11 and the part to be scanned, so that the part to be scanned is within the depth of field of the camera module 11. At this time, when the energy receiving module 11 captures an image of the part to be scanned, the image captured by the camera module 11 is relatively clear and less likely to be out of focus, allowing the user to accurately understand the current oral condition from the captured image.

[0131] See also Figure 4 In some embodiments, the light emitted by the light emitting module 13 at least covers the end of the opening component 30 away from the host 10 .

[0132] Specifically, the light emitted by the light emitting module 13 at least covers the end of the opening component 30 away from the main unit 10 , so that the light at the end of the opening component 30 away from the main unit 10 is uniform, avoiding the situation of local darkness.

[0133] See also Figure 3 and Figure 4 In some embodiments, the light emitting module 13 includes a light source 131, and the light emitted by the light source 131 covers at least one end of the opening component 30 away from the main body 10. Specifically, the light emitted by the light source 131 covers at least one end of the opening component 30 away from the main body 10. The light emitted by one light source 131 can at least cover the end of the opening component 30 away from the main body 10, so that the area inside the oral cavity illuminated by the light emitted by the light emitting module 13 is at least consistent with the field of view angle range of the camera module 11, and all areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11. Moreover, the number of light sources 131 is only one, which can save parts costs on the one hand, and on the other hand, the light emitting module 13 can be made smaller, and the space occupied in the shell 12 is also smaller, which can free up more installation space for other parts.

[0134] See also Figure 3 and Figure 4 In some embodiments, the light-emitting module 13 includes a plurality of light sources 131, and the union range formed by the light emitted by the plurality of light sources 131 covers at least the end of the opening component 30 away from the main unit 10. Specifically, the light emitted by the plurality of light sources 131 covers at least the end of the opening component 30 away from the main unit 10. The union range of the light emitted by the plurality of light sources 131 can cover at least the end of the opening component 30 away from the main unit 10, so that the area inside the oral cavity illuminated by the light emitted by the light-emitting module 13 is at least consistent with the field of view angle range of the camera module 11, and all areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11. At the same time, a single light source 131 can adopt a smaller power or ordinary specifications, which can also save costs.

[0135] See also Figure 3 and Figure 4In some embodiments, the light module 13 includes multiple light sources 131, and the light emitted by any one of the multiple light sources 131 covers at least the end of the opening component 30 away from the main body 10. Specifically, the light emitted by any one of the multiple light sources 131 covers at least the end of the opening component 30 away from the main body 10. The light emitted by any one of the multiple light sources 131 can cover at least the end of the opening component 30 away from the main body 10. The light emitted by any one of the multiple light sources 131 can cover at least the end of the opening component 30 away from the main body 10, so that the area within the oral cavity illuminated by the light emitted by the light module 13 is at least consistent with the field of view of the camera module 11. All areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11. At the same time, if one of the light sources 131 is damaged and cannot be used, the other light sources 131 can still emit light that can cover the end of the opening component 30 away from the main body 10. In other words, the other light sources 131 can still provide fill light, and the supplementary light will not cause the problem of localized darkness.

[0136] See also Figure 3 and Figure 4 In some embodiments, the light-emitting module 13 includes multiple light sources 131, which are used to emit light of different wavelengths. The union range formed by the light sources 131 emitting light of the same wavelength covers at least one end of the opening component 30 away from the host 10.

[0137] The multiple light sources 131 are configured to emit light of different wavelengths, enabling the camera module 11 to produce clear images even under different wavelength supplemental lighting conditions. Furthermore, the combined range of light emitted by the light sources 131 emitting light of the same wavelength can at least cover the end of the opening assembly 30 facing away from the main unit 10. This ensures that the area within the oral cavity illuminated by the light emitted by the light-emitting module 13 is at least consistent with the field of view of the camera module 11. All areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11.

[0138] See also Figure 4 and Figure 5 In some embodiments, the light isolation member 151 includes an inner wall 1511 and an outer wall 1513. The inner wall 1511 is closer to the optical axis X of the camera module 11 than the outer wall 1513. The intersection A of the line M between the center of the light source 131 of the light-emitting module 13 and the outer wall 1513 of the light isolation member 151 and the optical axis X of the camera module 11 is located inside the opening component 30.

[0139] Specifically, the intersection A is located inside the opening component 30, that is, the intersection A is located inside the opening component 30 to ensure that the illumination range of the light source 131 is crossed, so that all areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11.

[0140] See also Figure 3 and Figure 4 In some embodiments, the opening assembly 30 includes a support member 33 and a deformable member 35 , at least a portion of the deformable member 35 is sleeved on one end of the support member 33 , and the other end of the support member 33 is connected to the host 10 .

[0141] Specifically, the support member 33 is used to maintain the shape of the opening component 30 to prevent the opening component 30 from blocking the imaging path of the camera module 11 when deformed, thereby affecting the image / video acquisition range of the camera. The deformable member 35 is made of soft rubber, including but not limited to rubber, silicone, plastic or synthetic fiber. Among them, the rubber material includes but is not limited to natural rubber, nitrile rubber, fluororubber, polyurethane rubber, EPDM rubber or silicone rubber. The support member 33 is made of hard plastic, metal or other materials. The support member 33 is arranged at one end close to the host 10, which can ensure that the support member 33 is stably connected to the host 10 and is not easy to be scratched by the oral cavity when entering or removing the mouth; at least part of the deformable member 35 is arranged at the end of the support member 33 away from the host 10, which can ensure that the deformable member 35 is relatively soft in contact with the oral cavity and is not easy to pierce or scratch the user.

[0142] See also Figure 3 and Figure 4 In some embodiments, the support member 33 further includes an abutment portion 337, which extends from the inner wall 301 of the support member 33 toward the axis of the opening assembly 30, and the abutment portion 337 abuts against the side of the light-transmitting member 14 away from the camera module 11.

[0143] Specifically, the abutment portion 337 is formed by the inner wall 301 of the support member 33 protruding toward the axis of the opening assembly 30 (i.e., the optical axis X of the camera module 11) to abut against the side of the light-transmitting member 14 away from the camera module 11. Thus, the abutment portion 337 can cooperate with the cover body 123 abutting against the side of the light-transmitting member 14 close to the camera module 11 to clamp and fix the light-transmitting member 14 in the direction of the optical axis to prevent the light-transmitting member 14 from falling off.

[0144] See also Figure 4 and Figure 5In some embodiments, a first angle α1 between a line P from the center of the light source 131 of the light-emitting module 13 to the inner edge of the abutment portion 337 and the optical axis X of the camera module 11 is greater than a second angle α2 between a line Q from the center of the light source 131 to the inner edge of the end of the opening component 30 away from the camera module 11 and the optical axis X of the camera module 11.

[0145] Specifically, the first angle α1 can be used to limit the outermost edge of the illumination range of the light-emitting module 13, and the second angle α2 can be used to limit the outermost edge of the imaging range of the camera module 11. The first angle α1 is greater than the second angle α2, that is, the illumination range of the light-emitting module 13 covers the imaging range of the camera module 11, and all areas within the imaging range of the camera module 11 have high brightness, thereby ensuring the imaging quality of the camera module 11.

[0146] In the description of this specification, the descriptions with reference to the terms "certain embodiments", "in an example", "exemplarily", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are mutually inconsistent.

[0147] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A host of an oral scanning device, characterized in that: include: case; a light-emitting module, the light-emitting module being disposed in the housing and configured to emit light out of the housing; a camera module, the camera module being disposed in the housing and spaced apart from the light-emitting module, the camera module being configured to receive light reflected from an interior portion of the oral cavity; a light-transmitting member, the light-transmitting member being disposed on the housing and opposite to both the light-emitting module and the camera module, and being configured to transmit the light; and A light isolation member is arranged between the light-transmitting member and the camera module in the optical axis direction of the camera module, and is used to block at least part of the light emitted by the light-emitting module and reflected by the light-transmitting member from entering the camera module.

2. The host according to claim 1, wherein: The camera module is at least partially located in the light isolation member, and the hardness of the light isolation member is less than the hardness of the light-transmitting member; and / or, The light-transmitting element includes a lens, and the light-isolating element is a deformable light-isolating element.

3. The host according to claim 1, wherein: A light shielding layer is provided between the light isolation member and the light transparent member, and the light shielding layer is used to absorb at least part of the light emitted by the light emitting module.

4. The host according to claim 3, characterized in that In the circumferential direction of the camera module, the width of the light shielding layer is greater than the width of the light isolation member.

5. The host according to claim 3, characterized in that: The light-shielding layer includes an inner ring and an outer ring. In the circumferential direction of the camera module, the inner ring and the outer ring are respectively located on both sides of the light-isolating member. The outer ring is farther away from the optical axis of the camera module than the inner ring. The outer ring of the light-shielding layer is at least partially located within the luminous range of the light-emitting module.

6. The host according to claim 3, characterized in that The light-shielding layer includes an inner ring and an outer ring. In the circumferential direction of the camera module, the inner ring and the outer ring are respectively located on both sides of the light-isolating member. The outer ring is farther away from the optical axis of the camera module than the inner ring. The inner ring of the light-shielding layer is at least partially located outside the imaging range of the camera module.

7. The host according to claim 1, characterized in that In the optical axis direction of the camera module, the thickness of the light-transmitting member is less than or equal to 4 mm.

8. The host according to claim 1, wherein: The light emitting module includes a plurality of light sources, which surround the periphery of the camera module and are spaced apart from the light-transmitting member. The light-isolating member is annular and is arranged on the end face of the camera module close to the light-transmitting member.

9. The host according to claim 1, wherein: In the optical axis direction of the camera module, a first distance between the camera module and the light-transmitting member is smaller than a second distance between the light-emitting module and the light-transmitting member.

10. The host according to claim 1, wherein: The light emitting module includes a plurality of light sources, wherein the plurality of light sources are used to emit light of different wavelength bands, and the plurality of light sources emit light alternately.

11. The host according to claim 10, characterized in that: The multiple light sources include a first light source and a second light source, wherein the first light source is configured to emit light of a first wavelength band, and the second light source is configured to emit light of a second wavelength band, wherein the first wavelength band is different from the second wavelength band.

12. The host according to claim 1, wherein: The housing comprises: A base, wherein the base is provided with a loading cavity and a light-transmitting hole communicating with the loading cavity, wherein the light-emitting module, the camera module, and the light-isolating member are all accommodated in the loading cavity; and The cover body is provided with a through hole, the cover body is installed on the base, the through hole is correspondingly connected to the light-transmitting hole, and the light-transmitting member is arranged in the through hole and covers the through hole.

13. The host according to claim 12, characterized in that: The base comprises: the first body; and The second base body, the first base body and the second base body are detachably connected.

14. The host according to claim 12, characterized in that: The base comprises: base body; and The boss is extended from the base body, the light-transmitting hole passes through the base body and the boss, the cover is covered on the boss, and the light-transmitting member is carried on the boss.

15. The host according to claim 14, characterized in that: The base body is provided with a through mounting hole, the base body is provided with a fastener, the mounting hole is arranged around the boss, the cover body is provided with a mounting piece, the fastener passes through the mounting hole and is connected to the mounting piece, so that the cover body is connected to the base.

16. The host according to claim 15, characterized in that: The host also includes: A sealing member is sleeved on the fastener and located between the outer side wall of the fastener and the inner side wall of the mounting hole.

17. The host according to claim 1, wherein: The host further includes a mainboard disposed in the housing; the camera module includes: a mirror base, the mirror base being mounted on the main board, the light-emitting module comprising a partition and a light source, the partition being mounted on the top of the mirror base, the light source being mounted on the partition and electrically connected to the main board; and A lens barrel is mounted on the lens seat and passes through the partition.

18. An oral scanning device, characterized in that: include A host according to any one of claims 1 to 17.

19. The oral cavity scanning device according to claim 18, characterized in that: Also includes: An opening component is connected to the host and surrounds the camera module. The opening component is provided with through holes running through two opposite ends, and the camera module corresponds to the through holes. The end of the opening component away from the host is used to abut against any part in the oral cavity so that the part is located within the depth of field of the camera module.

20. The oral cavity scanning device according to claim 19, characterized in that: The light emitted by the light emitting module at least covers the end of the opening component away from the host.

21. The oral cavity scanning device according to claim 20, characterized in that: The light emitting module includes a light source, and the light emitted by the light source at least covers the end of the opening component away from the host; or The light emitting module includes a plurality of light sources, and the combined range of light emitted by the plurality of light sources at least covers the end of the opening component away from the main unit; The light emitting module includes a plurality of light sources, and the light emitted by any one of the plurality of light sources at least covers the end of the opening component away from the host; The light emitting module includes a plurality of light sources, and the plurality of light sources are used to emit light of different wavelength bands. The union range formed by the light sources emitting light of the same wavelength band at least covers the end of the opening component away from the host.

22. The oral cavity scanning device according to claim 19, characterized in that: The light-isolating member includes an inner wall and an outer wall, the inner wall is closer to the optical axis of the camera module than the outer wall, and the intersection of the line connecting the center of the light source of the light-emitting module and the outer wall of the light-isolating member and the optical axis of the camera module is located inside the opening component.

23. The oral cavity scanning device according to claim 19, characterized in that: The opening assembly includes a support member and a deformable member. At least a portion of the deformable member is sleeved on one end of the support member, and the other end of the support member is connected to the host.

24. The oral cavity scanning device according to claim 23, characterized in that: The support member further includes an abutment portion, which extends from an inner wall of the support member toward an axis close to the opening assembly, and the abutment portion abuts against a side of the light-transmitting member away from the camera module.

25. The oral cavity scanning device according to claim 24, characterized in that: The first angle between the line from the center of the light source of the light-emitting module to the inner edge of the abutment portion and the optical axis of the camera module is greater than the second angle between the line from the center of the light source to the inner edge of the end of the opening component away from the camera module and the optical axis of the camera module.

Images