CN213990792U - Anti-torsion camera module and electronic equipment - Google Patents
Anti-torsion camera module and electronic equipment Download PDFInfo
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- CN213990792U CN213990792U CN202023328886.2U CN202023328886U CN213990792U CN 213990792 U CN213990792 U CN 213990792U CN 202023328886 U CN202023328886 U CN 202023328886U CN 213990792 U CN213990792 U CN 213990792U
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Abstract
The utility model provides an anti-torsion camera module and an electronic device, which comprises a camera module body and a nested shell; the nested shell is provided with a mounting cavity; the camera module body is arranged in the mounting cavity, and part of the area of the camera module body is fixedly connected with the nested shell; an air gap or filled with heat-conducting filler is arranged between the wall surface of the mounting cavity and the camera module. The utility model discloses well camera module body and nested casing only in the partial region carry out fixed connection and produce the contact, the air gap has or fill the heat conduction filler between most regional wall of the installation cavity of nested casing and the camera module, consequently when the camera module body receives torsion, nested casing can replace the camera module body to bear torsion and deformation, reduce the influence of torsion to the camera module, avoided the camera module to lead to the light projector because of the torsion effect, RGB makes a video recording the removal of spatial position such as module and imaging module, it is relatively poor to lead to the depth map to heavily see the actual effect.
Description
Technical Field
The utility model relates to a degree of depth camera specifically relates to an antitorque force module and electronic equipment of making a video recording.
Background
Mobile payment has become a mainstream payment mode in China, and the number of mobile payment users reaches 10.5 hundred million at present, and the annual mobile payment transaction amount reaches 300 ten thousand yuan, so that the mobile payment becomes the financial support force; the mobile payment is spread in smart phones, with the 4G/5G, artificial intelligence, big data and biometric identification technology becoming mature, 3019, a face-brushing payment terminal representing 4.0 payment comes for a new year, the commercial scene of the face-brushing payment terminal is gradually expanded on line, the face-brushing payment terminal is about to be used on a large scale, and the market scale is expected to reach 185 billion yuan in 3022.
As the core device of the face-brushing payment terminal, the face recognition camera module plays a very key role. At present, a relatively mature face recognition camera module adopts a structured light scheme or a TOF scheme.
Structured light three-dimensional vision is based on the principle of optical triangulation. The optical projector projects the structured light with a certain mode on the surface of the object to form a light bar three-dimensional image modulated by the surface shape of the object to be measured on the surface. The three-dimensional image is detected by a camera at another location to obtain a two-dimensional distorted image of the light bar. The degree of distortion of the light bar depends on the relative position between the optical projector and the camera and the object surface profile height. Intuitively, the displacement or offset displayed along the bar is proportional to the height of the object surface, and the kink indicates a change in plane, and the discontinuity indicates a physical gap in the surface. When the relative position between the optical projector and the camera is fixed, the three-dimensional profile of the object surface can be reproduced by the distorted two-dimensional light bar image coordinates.
The tof (time of flight) technique is a 3D imaging technique that emits measurement light from a projector and reflects the measurement light back to a receiver through a target object, thereby obtaining a spatial distance from the object to a sensor from a propagation time of the measurement light in the propagation path. Common ToF techniques include single point scanning projection methods and area light projection methods.
Along with face identification camera more and more be prone to miniaturization and flattening, face identification camera module whole can reduce because of the structure attenuate, when establishing the depth map to face identification camera module, can produce face identification camera module spatial position's removal because of face identification camera module's torsion, lead to the depth map to rebuild inefficacy.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an antitorque force module and electronic equipment of making a video recording.
According to the utility model, the anti-torsion camera module comprises a camera module body and a nested shell;
the nested shell is provided with a mounting cavity;
the camera module body is arranged in the mounting cavity, and part of the area of the camera module body is fixedly connected with the nested shell;
an air gap or filled with heat-conducting filler is arranged between the wall surface of the mounting cavity and the camera module.
Preferably, the camera module body is provided with a first threaded hole penetrating along the thickness direction; a second threaded hole penetrating through the nested shell in the thickness direction is formed in the nested shell;
the camera module body and the nested shell are connected through a first screw rod positioned in the first threaded hole and the second threaded hole.
Preferably, a rear shell is also included; the rear shell is oppositely connected with the nested shell to cover the mounting cavity;
a third threaded hole penetrating along the thickness direction is formed in the end portion of the camera module body, a fourth threaded hole penetrating along the thickness direction is formed in the rear shell, and a fifth threaded hole opposite to the third threaded hole is formed in the nested shell;
the rear shell, the camera module body and the nested shell are connected through second screws in the third threaded hole, the fourth threaded hole and the fifth threaded hole.
Preferably, the end of the rear shell or the nesting shell is provided with a fixing plate;
and a plurality of ribs for heat dissipation are arranged on one side surface of the rear shell, which is deviated from the mounting cavity, and the plurality of ribs are arranged in a matrix.
Preferably, the camera module body includes a main body portion and a fixing portion;
the fixed part is fixedly connected with the nested shell; an air gap or filled with heat-conducting filler is arranged between the main body part and the wall surface of the mounting cavity;
the main part is provided with a light projector, an RGB camera module and an imaging module.
Preferably, the camera module body is provided with a light projector, an RGB camera module and an imaging module;
the nested shell is provided with a light emergent hole, a light receiving hole and an image collecting hole;
the light projector is characterized in that a light projection part is arranged in the light emergent hole, a light incident part of the imaging module is arranged in the light receiving hole, and a lens group of the RGB camera shooting module is arranged in the image collecting hole.
Preferably, the light projector is configured to project a light beam towards a target object;
the imaging module is used for receiving the light beam incident after the target object is reflected and obtaining the depth image of the target object according to the light spot pattern or the phase difference of the incident light beam.
Preferably, the light projector comprises an edge-emitting laser and a light splitting device arranged on a light path;
the edge-emitting laser is used for projecting laser to the light splitting device;
the light splitting device is used for projecting the incident laser light into a plurality of discrete collimated light beams.
Preferably, the light projector comprises a laser array, a collimating lens and a beam splitting device arranged on a light path;
the laser array is used for projecting laser of a first order of magnitude to the collimating lens;
the collimating lens is used for collimating the incident multiple laser beams and then emitting collimated light beams with a first order of magnitude;
the beam splitting device is used for splitting the incident collimated light beam with the first order of magnitude to emit a collimated light beam with a second order of magnitude;
the second order of magnitude is greater than the first order of magnitude.
According to the utility model provides an electronic equipment, a serial communication port, include torsion resistant camera module.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses well camera module body and nested casing only in the partial region carry out fixed connection and produce the contact, the most regional wall of the installation cavity of nested casing with have the gas gap between the camera module or fill the heat conduction filler, consequently when the camera module body receives torsion, nested casing can replace the camera module body to bear torsion and deformation, reduces the influence of torsion to the camera module, has avoided the camera module to lead to the removal of spatial position such as light projector, RGB camera module and imaging module because of the torsion effect, and it is relatively poor to lead to the depth map to be redisplayed the actual effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts. Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of an anti-torsion camera module according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of the torsion-resistant camera module according to the embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an anti-torsion camera module according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the torsion-resistant camera module according to the variation of the present invention;
fig. 5 is an exploded view of the torsion-resistant camera module according to the variation of the present invention;
fig. 6 is a schematic cross-sectional view of an anti-torsion camera module according to a variation of the present invention;
fig. 7 is a schematic diagram of a light projector according to an embodiment of the invention;
FIG. 8 is a schematic view of an alternative embodiment of a light projector;
fig. 9 is the embodiment of the utility model provides an in the embodiment structure schematic diagram of degree of depth camera module.
In the figure:
1 is a nested shell;
2 is a camera module body;
3 is a light projector;
4 is RGB camera module;
5 is an imaging module;
6 is an air gap;
301 is an edge-emitting laser;
302 is a beam projector;
303 is a laser array;
304 is a collimating lens;
305 is a beam splitting device;
501 is a photodetector array;
502 is an optical imaging lens.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The connection may be for fixation or for circuit connection.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides an anti-torsion camera module, which comprises a camera module body and a nested shell;
the nested shell is provided with a mounting cavity;
the camera module body is arranged in the mounting cavity, and part of the area of the camera module body is fixedly connected with the nested shell;
an air gap or filled with heat-conducting filler is arranged between the wall surface of the mounting cavity and the camera module.
The utility model discloses well camera module body and nested casing only in the partial region carry out fixed connection and produce the contact, the most regional wall of the installation cavity of nested casing with have the gas gap between the camera module or fill the heat conduction filler, consequently when the camera module body receives torsion, nested casing can replace the camera module body to bear torsion and deformation, reduces the influence of torsion to the camera module, has avoided the camera module to lead to the removal of spatial position such as light projector, RGB camera module and imaging module because of the torsion effect, and it is relatively poor to lead to the depth map to be redisplayed the actual effect.
Above is the core thought of the utility model, for making the above-mentioned purpose, characteristic and advantage of the utility model can be more obvious understandable, will combine below in the embodiment of the utility model the drawing, to technical scheme in the embodiment of the utility model is clear, completely describe, obviously, the embodiment that describes is only a partial embodiment of the utility model, rather than whole embodiment. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural view of a torsion-resistant camera module in an embodiment of the present invention, and fig. 2 is a schematic explosion view of a torsion-resistant camera module in an embodiment of the present invention, as shown in fig. 1 and fig. 2, the torsion-resistant camera module provided by the present invention includes a camera module body 2 and a nested shell 1;
the nesting shell 1 is provided with a mounting cavity;
the camera module body 2 is arranged in the installation cavity, and part of the area of the camera module body 2 is fixedly connected with the nested shell 1;
an air gap 6 or heat-conducting filler is filled between the wall surface of the mounting cavity and the camera module.
In the embodiment of the present invention, the camera module body 2 is provided with a first threaded hole penetrating along the thickness direction; a second threaded hole penetrating along the thickness direction is formed in the nested shell 1;
the camera module body 2 and the nested shell 1 are connected through a first screw rod positioned in the first threaded hole and the second threaded hole.
Fig. 3 is a schematic cross-sectional view of an anti-torsion camera module according to an embodiment of the present invention, as shown in fig. 3, the camera module body 2 includes a main body portion and a fixing portion;
the fixed part is fixedly connected with the nesting shell 1; an air gap 6 or a heat-conducting filler is filled between the main body part and the wall surface of the mounting cavity;
the main body portion is provided with a light projector 3, an RGB camera module 4, and an imaging module 5.
Fig. 4 is a schematic structural view of the anti-torsion camera module according to the variation of the present invention, and fig. 5 is a schematic explosion view of the anti-torsion camera module according to the variation of the present invention, as shown in fig. 4 and 5, the anti-torsion camera module according to the present invention further includes a back shell; the rear shell is oppositely connected with the nested shell 1 so as to cover the mounting cavity;
a third threaded hole penetrating along the thickness direction is formed in the end portion of the camera module body 2, a fourth threaded hole penetrating along the thickness direction is formed in the rear shell, and a fifth threaded hole opposite to the third threaded hole is formed in the nested shell 1;
the rear shell, the camera module body 2 and the nested shell 1 are connected through second screws in the third threaded hole, the fourth threaded hole and the fifth threaded hole.
In the embodiment of the present invention, a fixing plate is disposed at the end of the rear shell or the nesting shell 1;
and a plurality of ribs for heat dissipation are arranged on one side surface of the rear shell, which is deviated from the mounting cavity, and the plurality of ribs are arranged in a matrix.
Fig. 6 is a schematic cross-sectional view of an anti-torsion camera module according to a variation of the present invention, and as shown in fig. 6, the camera module body 2 includes a main body portion and a fixing portion;
the fixed part is fixedly connected with the nesting shell 1; an air gap 6 or a heat-conducting filler is filled between the main body part and the wall surface of the mounting cavity;
the main body portion is provided with a light projector 3, an RGB camera module 4, and an imaging module 5.
In the embodiment of the present invention, the camera module body 2 is provided with a light projector 3, an RGB camera module 4, and an imaging module 5;
the nested shell 1 is provided with a light emergent hole, a light receiving hole and an image collecting hole;
the light projector 3 has a light projecting portion disposed in the light exit hole, the imaging module 5 has a light incident portion disposed in the light receiving hole, and the RGB camera module 4 has a lens group disposed in the image capturing hole.
Wherein the light exit hole, the image capture hole, and the light receiving hole are opened in sequence on the outer end face of the nesting housing 1.
The nested shell 1 is made of a metal plate, such as a stainless steel plate, an aluminum plate, a steel plate and the like.
Fig. 7 is a schematic diagram of a light projector according to an embodiment of the present invention, and as shown in fig. 7, the light projector 3 includes an edge emitting laser 301 and a light beam projector 302 disposed on a light path;
the edge-emitting laser 301 is used for projecting laser to the beam projector 302;
the beam projector 302 is configured to project the incident laser light into a plurality of discrete collimated beams of light onto a target object.
In an embodiment of the present invention, the beam splitting projector is configured by processing an optical chip with a micro-nano structure on an inner surface thereof and matching with an optical lens. The beam splitting projector can perform the function of splitting incident light from the edge-emitting laser 301 into any of a plurality of collimated beams. The emission direction of the edge-emitting laser 301 and the projection direction of the beam splitting projector may be the same, or may be at 90 degrees or any angle required for the optical system design.
In an embodiment of the present invention, the beam projector 302 may also employ a diffraction grating.
Fig. 8 is a schematic diagram of another structure of a light projector according to an embodiment of the present invention, and as shown in fig. 8, the light projector 3 includes a laser array 303, a collimating lens 304 and a beam splitting device 305 disposed on a light path;
the laser array 303 is configured to project laser light of a first order of magnitude to the collimating lens 304;
the collimating lens 304 is configured to collimate the incident multiple laser beams and emit collimated light beams of a first order of magnitude;
the beam splitting device 305 is configured to split the incident collimated light beam of the first order of magnitude and emit a collimated light beam of a second order of magnitude to the target object;
the second order of magnitude is greater than the first order of magnitude.
In an embodiment of the present invention, the Laser array 303 may be formed by a plurality of Vertical Cavity Surface Emitting Lasers (VCSELs) or a plurality of Edge Emitting Lasers (EELs). The multiple laser beams can be collimated into highly parallel beams after passing through the collimating lens 304. The beam splitting device 305 may be used to achieve more collimated beams depending on the number of discrete beams required in the application. The beam splitting device 305 may employ a diffraction grating (DOE), a Spatial Light Modulator (SLM), or the like.
In an embodiment of the present invention, the TOF camera module with small volume provided by the present invention further comprises a diffuser; the diffuser is used for diffusing the collimated light beams and enabling the collimated light beams to be subjected to floodlight emergence.
Fig. 9 is a schematic structural diagram of an embodiment of the depth camera module of the present invention, and as shown in fig. 9, the depth camera module 1 includes an optical imaging lens 502, a photodetector array 501, and a driving circuit; the photodetector array 501 includes a plurality of photodetectors distributed in an array;
the optical imaging lens 502 is configured to enable a direction vector of the collimated light beam entering the light detector array 501 through the optical imaging lens 502 to have a one-to-one correspondence with the light detectors;
the light detector is used for receiving the collimated light beam reflected by the target object;
the driving circuit is used for measuring the propagation time of the plurality of collimated light beams and further generating depth data of the surface of the target object.
To filter background noise, the optical imaging lens 502 is typically further equipped with a narrow band filter, so that the photodetector array 501 can only pass incident collimated light beams of a predetermined wavelength. The preset wavelength can be the wavelength of the incident collimated light beam, and can also be between 50 nanometers smaller than the incident collimated light beam and 50 nanometers larger than the incident collimated light beam. The photodetector array 501 may be arranged periodically or aperiodically. Each photodetector, in cooperation with an auxiliary circuit, may enable measurement of the time of flight of the collimated beam. The photodetector array 501 may be a combination of multiple single-point photodetectors or a sensor chip integrating multiple photodetectors, as required by the number of discrete collimated beams. To further optimize the sensitivity of the light detectors, the illumination spot of one discrete collimated light beam on the target object 3 may correspond to one or more light detectors. When a plurality of light detectors correspond to the same irradiation light spot, signals of each detector can be communicated through a circuit, so that the light detectors with larger detection areas can be combined.
The embodiment of the utility model provides an in the electronic equipment provided, include altogether the base plate heat dissipation module of making a video recording. The electronic device can be a mobile phone, a tablet computer, a digital camera, a payment platform and the like.
The embodiment of the utility model provides an in camera module body and nested casing only in the partial region carry out fixed connection and produce the contact, the most regional wall of the installation cavity of nested casing with have the gas gap between the camera module or fill the heat conduction filler, consequently when the camera module body receives torsion, nested casing can replace the camera module body to bear torsion and deformation, reduces the influence of torsion to the camera module, has avoided the camera module to lead to the removal of spatial position such as light projector, RGB camera module and imaging module because of the torsion effect, and it is relatively poor to lead to the depth map to be redisplayed the actual effect.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. An anti-torsion camera module is characterized by comprising a camera module body and a nested shell;
the nested shell is provided with a mounting cavity;
the camera module body is arranged in the mounting cavity, and part of the area of the camera module body is fixedly connected with the nested shell;
an air gap or filled with heat-conducting filler is arranged between the wall surface of the mounting cavity and the camera module.
2. The torsion-resistant camera module group according to claim 1, wherein the camera module group body is provided with a first threaded hole penetrating through the camera module group body in the thickness direction; a second threaded hole penetrating through the nested shell in the thickness direction is formed in the nested shell;
the camera module body and the nested shell are connected through a first screw rod positioned in the first threaded hole and the second threaded hole.
3. The torsion-resistant camera module of claim 1, further comprising a rear housing; the rear shell is oppositely connected with the nested shell to cover the mounting cavity;
a third threaded hole penetrating along the thickness direction is formed in the end portion of the camera module body, a fourth threaded hole penetrating along the thickness direction is formed in the rear shell, and a fifth threaded hole opposite to the third threaded hole is formed in the nested shell;
the rear shell, the camera module body and the nested shell are connected through second screws in the third threaded hole, the fourth threaded hole and the fifth threaded hole.
4. The torsion-resistant camera module according to claim 3, wherein a fixing plate is arranged at an end of the rear shell or the nested shell;
and a plurality of ribs for heat dissipation are arranged on one side surface of the rear shell, which is deviated from the mounting cavity, and the plurality of ribs are arranged in a matrix.
5. The torsion resistant camera module of claim 1, wherein the camera module body comprises a main body portion and a fixing portion;
the fixed part is fixedly connected with the nested shell; an air gap or filled with heat-conducting filler is arranged between the main body part and the wall surface of the mounting cavity;
the main part is provided with a light projector, an RGB camera module and an imaging module.
6. The torsion-resistant camera module as claimed in claim 1, wherein the camera module body is provided with a light projector, an RGB camera module and an imaging module;
the nested shell is provided with a light emergent hole, a light receiving hole and an image collecting hole;
the light projector is characterized in that a light projection part is arranged in the light emergent hole, a light incident part of the imaging module is arranged in the light receiving hole, and a lens group of the RGB camera shooting module is arranged in the image collecting hole.
7. The torsion-resistant camera module according to claim 6,
the light projector is used for projecting light beams to a target object;
the imaging module is used for receiving the light beam incident after the target object is reflected and obtaining the depth image of the target object according to the light spot pattern or the phase difference of the incident light beam.
8. The torsion-resistant camera module according to claim 7, wherein the light projector comprises an edge-emitting laser and a light splitting device arranged on an optical path;
the edge-emitting laser is used for projecting laser to the light splitting device;
the light splitting device is used for projecting the incident laser light into a plurality of discrete collimated light beams.
9. The torsion-resistant camera module according to claim 7, wherein the light projector comprises a laser array, a collimating lens and a beam splitting device arranged on an optical path;
the laser array is used for projecting laser of a first order of magnitude to the collimating lens;
the collimating lens is used for collimating the incident multiple laser beams and then emitting collimated light beams with a first order of magnitude;
the beam splitting device is used for splitting the incident collimated light beam with the first order of magnitude to emit a collimated light beam with a second order of magnitude;
the second order of magnitude is greater than the first order of magnitude.
10. An electronic device comprising the torsion-resistant camera module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328886.2U CN213990792U (en) | 2020-12-30 | 2020-12-30 | Anti-torsion camera module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328886.2U CN213990792U (en) | 2020-12-30 | 2020-12-30 | Anti-torsion camera module and electronic equipment |
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| Publication Number | Publication Date |
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| CN213990792U true CN213990792U (en) | 2021-08-17 |
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| CN202023328886.2U Active CN213990792U (en) | 2020-12-30 | 2020-12-30 | Anti-torsion camera module and electronic equipment |
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