CN215818415U - 3D imaging device and electronic equipment - Google Patents

Abstract

The utility model discloses a 3D imaging device and electronic equipment, comprising: a front shell, the 3D imaging apparatus further comprising a first 3D imaging unit; or, the 3D imaging device further comprises a second 3D imaging unit and a transfer bracket; the front shell is provided with a first cavity, and a plurality of groups of mounting columns are symmetrically arranged on two sides in the first cavity respectively; the first 3D imaging unit comprises a first support, a first projection module, a floodlight module and a first imaging module, wherein the first projection module, the floodlight module and the first imaging module are fixed on the first support; wherein the first bracket is mounted within the first cavity via the mounting post; the second 3D imaging unit comprises a second bracket, a first projection module and a first imaging module, wherein the first projection module and the first imaging module are fixed on the second bracket; the switching support is installed in the first cavity through the mounting column, a groove is formed in the switching support, a support fixing lug is arranged on the second support, and the second 3D imaging unit is fixed on the groove through the support fixing lug.

Description

3D imaging device and electronic equipment

Technical Field

The utility model belongs to the technical field of optics and electronics, and particularly relates to a 3D imaging device and electronic equipment.

Background

The 3D camera is used for obtaining the depth information of the target object, and the functions of 3D scanning, scene modeling, gesture interaction, face recognition and the like can be further realized according to the depth information. At present, most of 3D cameras adopt a scheme based on a structured light technology or a scheme based on a TOF (time of flight) technology, and the 3D cameras based on the two technical schemes are widely adopted by 3D imaging equipment so as to be applied to multiple fields such as televisions, robots, mobile phones, POS (point of sale) and AR/VR (virtual reality/virtual reality), enrich functions of products in the fields and improve experience of users.

However, although the 3D camera has been widely used, the 3D camera still faces limitations of some special application scenarios, such as the field of face brushing payment or face brushing access control, and often faces influences of other factors such as height of the user, and these factors not only affect the imaging performance of the 3D camera, but also affect the reliability, the service life, and the like of the 3D camera.

Therefore, in view of the above-mentioned drawbacks of the prior art, it is necessary to develop and research a 3D imaging device that meets various requirements and meets the requirements of complex scenes.

The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions created by the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above contents are disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the above-mentioned deficiencies in the prior art and to provide a 3D imaging apparatus and an electronic device to meet the needs of complex scenes.

In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:

a 3D imaging apparatus comprising: a front shell, the 3D imaging apparatus further comprising a first 3D imaging unit; or, the 3D imaging device further comprises a second 3D imaging unit and a transfer bracket;

the front shell is provided with a first cavity, and a plurality of groups of mounting columns are symmetrically arranged on two sides in the first cavity respectively;

the first 3D imaging unit comprises a first support, a first projection module, a floodlight module and a first imaging module, wherein the first projection module, the floodlight module and the first imaging module are fixed on the first support; wherein the first bracket is mounted within the first cavity via the mounting post; or the like, or, alternatively,

the second 3D imaging unit comprises a second bracket, a first projection module and a first imaging module, wherein the first projection module and the first imaging module are fixed on the second bracket; and

the switching support is installed in the first cavity through the mounting column, a groove is formed in the switching support, a support fixing lug is arranged on the second support, and the second 3D imaging unit is fixed on the groove through the support fixing lug.

In some embodiments, the first 3D imaging unit further comprises a second projection module and a second imaging module; wherein the first projection module and the first imaging module form a structured light depth camera; the second projection module and the second imaging module form a TOF camera.

In some embodiments, the first 3D imaging unit or the second 3D imaging unit further comprises a color camera module for acquiring color images; the color camera module is positioned between the first projection module and the first imaging module; or the color camera module is positioned between the second projection module and the second imaging module.

In some embodiments, a plurality of openings are formed in the front surface of the front housing to correspond to the optical module in the first 3D imaging unit or the second 3D imaging unit, and the openings are used as windows through which light enters or exits from the optical module.

In some embodiments, the device further comprises a rotating shaft assembly, wherein the rotating shaft assembly comprises a rotating shaft bracket and a plurality of rotating shaft pieces; the rotating shaft support is mounted on the lower side face of the front shell through screws, a second cavity is formed in the rotating shaft support, and the rotating shaft piece is contained at two ends of the second cavity.

In some embodiments, the rotating shaft member includes a fixed portion, a rotating shaft portion connected to the fixed portion, and a rotating shaft movable plate integrally formed with the rotating shaft portion; the fixing part is provided with an opening, a positioning column is arranged in the second cavity, and the fixing part penetrates through the opening through a screw to be connected to the positioning column.

In some embodiments, the lower side of the front housing defines a plurality of openings, and the pivot bracket defines a data interface for mating with the openings on the lower side of the front housing.

In some embodiments, the mobile phone further comprises a rear shell, and the rear shell is fastened and fixed with the front shell through screws.

In some embodiments, the mobile phone further comprises a main board, and the main board is fixed on the first bracket or the second bracket through screws.

The other technical scheme of the embodiment of the utility model is as follows:

an electronic device comprising the 3D imaging apparatus of any one of the preceding claims; the 3D imaging device is installed in the electronic equipment in a plug-in or embedded mode.

The technical scheme of the utility model has the beneficial effects that:

the 3D imaging device can be compatible with built-in 3D imaging modules with various sizes, and can be installed on other electronic equipment in embedded and external mounting modes, so that various requirements on the 3D camera can be met to a great extent, and the requirements of complex scenes are met.

Drawings

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

Fig. 1 is a partially exploded perspective view of a 3D imaging device according to an embodiment of the utility model;

FIG. 2 is a partially exploded perspective view of a 3D imaging device according to an embodiment of the utility model;

FIG. 3 is a schematic exploded view of a 3D imaging apparatus according to an embodiment of the utility model;

fig. 4 is a schematic structural diagram of a spindle assembly of a 3D imaging device according to an embodiment of the utility model;

fig. 5 is a structural diagram of an electronic device according to another embodiment of the utility model.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be further understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner" and "outer" and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the utility model and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the utility model.

Referring to fig. 1-2, an embodiment of the utility model provides a 3D imaging device. As shown in fig. 1 and 2, the 3D imaging apparatus 100 includes: the front shell comprises a front shell 1, wherein the front shell 1 is provided with a first cavity 10, and a plurality of groups of mounting columns 101 are symmetrically arranged on two sides in the first cavity 10 respectively; the 3D imaging device 100 further includes a first 3D imaging unit 2, the first 3D imaging unit 2 includes a first bracket 20, and a first projection module (not numbered), a floodlight module (not numbered) and a first imaging module (not numbered) fixed on the first bracket 20; wherein the first bracket 20 is mounted in the first cavity 10 through the mounting post 101; or, the 3D imaging apparatus 100 further includes a second 3D imaging unit 3 and a switching bracket 5, the second 3D imaging unit 3 includes a second bracket 30, and a first projection module (not numbered) and a first imaging module (not numbered) fixed on the second bracket 30; and the adapting bracket 5 is installed in the first cavity 10 through the installation column 101, wherein a groove 50 is formed in the adapting bracket 5, a bracket fixing lug 300 is arranged on the second bracket 30, and the second 3D imaging unit 3 is fixed on the groove 50 through the bracket fixing lug 300.

In one embodiment, the first 3D imaging unit 2 further includes a second projection module (not numbered) and a second imaging module (not numbered). The first projection module and the first imaging module form a structured light depth camera; the second projection module and the second imaging module constitute a TOF camera. For convenience of description, the first projection module and the second projection module may also be collectively referred to as a projection module hereinafter; the first imaging module and the second imaging module may also be collectively referred to as an imaging module, and the TOF camera may be referred to as a TOF module.

In one embodiment, the first 3D imaging unit 2 or the second 3D imaging unit 3 further comprises a color camera module (not numbered) for acquiring color images. The color camera module is located between the first projection module and the first imaging module, or the color camera module is located between the second projection module and the second imaging module.

In one embodiment, the first bracket 20 of the first 3D imaging unit 2 is further provided with fixing tabs 200 at both ends, and the fixing tabs 200 are fixedly mounted on the mounting column 101 by screws 4.

In one embodiment, the number of the adaptor bracket 5 is two, the bracket fixing tabs 300 are disposed at both ends of the second bracket 30, and the second 3D imaging unit 3 is fixed on the groove 50 by the bracket fixing tabs 300 at both ends of the second bracket 30.

In one embodiment, the front surface of the front housing 1 is provided with a plurality of openings 102 corresponding to the optical module (not shown) in the first 3D imaging unit 2 or the second 3D imaging unit 3, and used as a window for light entering or exiting from the optical module. It should be noted that a single opening may correspond to one or more optical modules, and may be designed as required in practical applications.

In one embodiment, the first projection module is configured to emit a structured light beam toward the target object; the floodlight module is used for projecting a floodlight beam to the target object; the second projection module is used for projecting a dot matrix pattern to the target object, and the second imaging module is used for receiving a reflected light signal reflected by the target object; the color camera module is used for collecting color images; the first imaging module is used for imaging the structured light beam and/or the floodlight beam. It can be understood that the first imaging module can not only collect the light beam projected by the first projection module to generate the structured light image, but also further collect the light beam projected by the floodlight module, for example, collect the light beam projected by the floodlight to generate the floodlight image, so that the wavelength of the light beam projected by the first projection module should be the same as the wavelength of the floodlight beam projected by the floodlight.

Generally, the projection module is used for projecting invisible light patterns, such as infrared light, and correspondingly, the first imaging module and the second imaging module are infrared cameras, and the floodlight is also an infrared floodlight at this moment. It will be appreciated that in some embodiments, the structured light beam may also be any other wavelength of light, such as ultraviolet light, visible light, and the like. In some applications, such as face recognition at night, it is often desirable to provide a flood image under flood lighting, where the flood lighting may be utilized; specifically, when the projection module was closed, the floodlight image was gathered to the formation of image module this moment. A color camera module, such as an RGB camera module, for capturing color images; in practical application, the 3D imaging device equipped with the RGB camera module has the capability of synchronously acquiring the target depth image and the RGB image, so that the functions of the product can be enriched. In one embodiment, the color camera module is located between the projection module and the imaging module.

In one embodiment, the projection module, the floodlight module, the TOF module, the color camera module and the imaging module in the first 3D imaging unit 2 can be mounted on the same mounting surface of the first bracket 20, and a silicone sleeve (not shown) is adhered to the mounting surface, so that the structure of the 3D imaging device is more compact, and the effects of material saving and beautiful appearance can be achieved. In addition, through pasting the silica gel cover, can also avoid taking place the phenomenon of light crosstalk between each optical module.

In one embodiment, in order to prevent the surface light crosstalk, a PET protection film (not shown) may be attached to the light exit or light entrance window of each corresponding optical module, so as to not only solve the above-mentioned crosstalk problem, but also play a role of dust prevention. In one embodiment, the PET protective film is constructed of SH-010G 5.

Referring to fig. 3, in an embodiment, a dustproof sealing foam 201 is attached to the surface of the first bracket 20, and the front case 1 pre-presses the sealing foam 201, so that the first 3D imaging unit 2 can be dustproof, and dust, moisture, and the like are prevented from entering the surface of the module lens and affecting the first 3D imaging unit 2. The second 3D imaging unit 3 is similar to the first 3D imaging unit 2, and is not described herein again.

In one embodiment, the 3D imaging device 100 further includes a motherboard (not shown) fixed on the first bracket 20 or the second bracket 30 by screws, and each optical module is connected to the motherboard PCBA by a circuit board (not shown) and a connector (not shown) to realize power supply and transmission of electrical signals. The circuit board may be a flexible circuit board FPC, a printed circuit board PCB, a rigid-flex board, or the like, and the connector may include any type of connector, such as a board-to-board (BTB) connector, a Zero Insertion Force (ZIF) connector, or the like. In one embodiment, foam can be further adhered to the connector for preventing light crosstalk and preventing dust.

In one embodiment, the 3D imaging device 100 further includes a processor (not shown) electrically connected to the optical module in the first 3D imaging unit 2 or the second 3D imaging unit 3 for controlling the same. It will be appreciated that the processor implements control of the various modules via the circuit board with corresponding interfaces, including a variety of interfaces, such as an I2C interface. The processor may be a single processor or may be comprised of a plurality of processing units of different functionality. The processor may be a dedicated processor in the 3D imaging device 100, and in some embodiments, when the 3D imaging device 100 is integrated in some mobile terminals, the processor may also be a processor in the mobile terminal itself, or may also be an application processor AP.

In one embodiment, a plurality of openings 103 are formed on the lower side of the front housing, and the wire harnesses (not shown) and power lines of various interfaces are connected to the external device through the corresponding openings 103.

Referring to fig. 3, in an embodiment, the 3D imaging device 100 further includes a thermal conductive silicone sheet 6 and/or a heat sink for improving heat dissipation of the 3D imaging device 100; specifically, the heat of the module may be directed to the first support 20 or the second support 30 by point heat conductive gel and attaching a heat conductive graphite sheet (not numbered); and/or connecting the heat sink to the first bracket 20 or the second bracket 30, wherein the heat sink 7 is fixed to the first bracket 20 or the second bracket 30 by screws, so that the first bracket 20 or the second bracket 30 is in conduction with the heat sink 7. In some embodiments, a thermally conductive graphite sheet (not shown) may be affixed to the back side of the motherboard PCBA at the heat source to direct heat from the PCBA to the heat sink 7. Referring to fig. 3, the shape of the heat sink 7 and the inner wall of the front housing 1 are of a profile structure, and the back of the heat sink 7 is of a grid structure, so as to maximize the heat dissipation area, and the whole heat of the 3D imaging device is conducted to form a closed loop, thereby achieving the purpose of rapid and uniform heat dissipation of the module.

Referring to fig. 3, in one embodiment, the 3D imaging device 100 further includes a rear case 8, and the rear case 8 may be fastened and fixed with the front case 1 by a screw 4 to protect the 3D imaging module. In one embodiment, a boss 80 is provided on a side of the rear case 8 facing away from the front case 1, and the material tablet 81 may be screwed and/or glued on the boss 80 for promotion.

Referring to fig. 4, in one embodiment, the 3D imaging device 100 further includes a rotating shaft assembly 9, the rotating shaft assembly 9 includes a rotating shaft bracket 90 and a plurality of rotating shaft members 91, wherein the rotating shaft bracket 90 has a second cavity 901, the rotating shaft members 91 are accommodated at two ends of the second cavity 901, and the rotating shaft bracket 90 is mounted on the lower side surface of the front housing 1 through screws. The rotating shaft member 91 comprises a fixed part 910, a rotating shaft part 911 connected with the fixed part 910, and a rotating shaft movable plate 912 integrally formed with the rotating shaft part 911; the fixing portion 910 is mounted in the second cavity 901 by a screw 4; specifically, the fixing portion 910 has an opening (not numbered), a positioning post (not numbered) is disposed in the second cavity 901, and the fixing portion 910 can pass through the opening through a screw to be connected to the positioning post; the rotation of the movable shaft plate 912 enables the rotation shaft 911 to rotate around the fixing portion 910, so as to drive the front housing 1 to perform a pitching motion, and the angle of the 3D imaging module can be adjusted to adapt to users with different heights.

Referring to fig. 3 and 4, in one embodiment, the hinge bracket 90 is provided with a data interface (not numbered) to match with an opening on the lower side of the front housing 1, so that the data cable 92 can be connected to the main board in the front housing 1 through the data interface and the opening. Specifically, one end of the data line 92 extends into the 3D imaging module through the docking connector 920 and is connected to the motherboard, and the other end of the data line is fixedly connected to the USB connector 921, so as to connect to other devices through the USB connector 921. When the 3D imaging device is used, the docking connector 920 is plugged into the 3D imaging module, and the USB connector 921 is plugged into a device, so that the 3D imaging device and other devices can perform signal transmission. In one embodiment, the data line 92 is sleeved with an SR outer mold 922, the SR outer mold 922 is located at one end of the data line 92 and close to the docking connector 920, and the SR outer mold 922 is fixed on the rotating shaft bracket 92 through a screw 4, so that the problem that the connector is loosened due to pulling or twisting of the data line to affect the stability of the module signal is avoided.

Referring to fig. 5, the present invention further provides an electronic device 500, including the 3D imaging apparatus 100 described in the foregoing embodiment; the 3D imaging apparatus 100 is installed in the electronic device in a plug-in or embedded manner; specifically, when the 3D imaging device 100 includes a rotating shaft assembly, the rotating shaft assembly can be connected to an electronic device in a hanging manner; when the 3D imaging device is not provided with the rotating shaft assembly, the 3D imaging device can be directly embedded into the electronic equipment.

The 3D imaging device provided by the utility model can realize angle adjustment, detachability and dust prevention, has excellent heat dissipation effect, and simultaneously designs a structure for preventing pulling and twisting for the data line, thereby greatly improving the service reliability and the service life of the 3D camera; in addition, the 3D imaging device is compatible with built-in 3D imaging modules of various sizes, and can be mounted on other electronic devices in embedded and external mounting manners, thereby being compatible with various requirements of 3D cameras to a great extent, such as: performance requirements (multiple cameras with different parameters can be built in) and installation requirements (plug-in and built-in).

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the utility model as defined by the appended claims.

Claims (10)

1. A 3D imaging apparatus, comprising: a front shell, the 3D imaging apparatus further comprising a first 3D imaging unit; or, the 3D imaging device further comprises a second 3D imaging unit and a transfer bracket;

the front shell is provided with a first cavity, and a plurality of groups of mounting columns are symmetrically arranged on two sides in the first cavity respectively;

the first 3D imaging unit comprises a first support, a first projection module, a floodlight module and a first imaging module, wherein the first projection module, the floodlight module and the first imaging module are fixed on the first support; wherein the first bracket is mounted within the first cavity via the mounting post;

the second 3D imaging unit comprises a second bracket, a first projection module and a first imaging module, wherein the first projection module and the first imaging module are fixed on the second bracket;

the switching support is installed in the first cavity through the mounting column, a groove is formed in the switching support, a support fixing lug is arranged on the second support, and the second 3D imaging unit is fixed on the groove through the support fixing lug.

2. 3D imaging device according to claim 1, characterized in that: the first 3D imaging unit further comprises a second projection module and a second imaging module; wherein the first projection module and the first imaging module form a structured light depth camera; the second projection module and the second imaging module form a TOF camera.

3. 3D imaging device according to claim 2, characterized in that: the first 3D imaging unit or the second 3D imaging unit further comprises a color camera module for acquiring color images; the color camera module is positioned between the first projection module and the first imaging module; or the color camera module is positioned between the second projection module and the second imaging module.

4. 3D imaging device according to claim 1, characterized in that: the front surface of the front shell is provided with a plurality of openings corresponding to the optical modules in the first 3D imaging unit or the second 3D imaging unit and used as windows for light entering or exiting of the optical modules.

5. 3D imaging device according to claim 1, characterized in that: the rotating shaft assembly comprises a rotating shaft bracket and a plurality of rotating shaft pieces; the rotating shaft support is mounted on the lower side face of the front shell through screws, a second cavity is formed in the rotating shaft support, and the rotating shaft piece is contained at two ends of the second cavity.

6. The 3D imaging device according to claim 5, characterized in that: the rotating shaft piece comprises a fixed part, a rotating shaft part connected with the fixed part and a rotating shaft movable plate integrally formed with the rotating shaft part; the fixing part is provided with an opening, a positioning column is arranged in the second cavity, and the fixing part penetrates through the opening through a screw to be connected to the positioning column.

7. The 3D imaging device according to claim 5, characterized in that: a plurality of openings have been seted up to the downside of preceding shell, data interface has been seted up on the pivot support, with on the downside of preceding shell the opening cooperatees.

8. 3D imaging device according to claim 1, characterized in that: the device also comprises a rear shell, wherein the rear shell is buckled and fixed with the front shell through screws.

9. 3D imaging device according to claim 1, characterized in that: the device also comprises a main board, wherein the main board is fixed on the first support or the second support through screws.

10. An electronic device, characterized in that: comprising the 3D imaging device of any one of claims 1-9; the 3D imaging device is installed in the electronic equipment in a plug-in or embedded mode.

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