CN209448840U - Light source module group, 3D imaging system, identity recognition device and electronic equipment - Google Patents
Light source module group, 3D imaging system, identity recognition device and electronic equipment Download PDFInfo
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- CN209448840U CN209448840U CN201821481026.2U CN201821481026U CN209448840U CN 209448840 U CN209448840 U CN 209448840U CN 201821481026 U CN201821481026 U CN 201821481026U CN 209448840 U CN209448840 U CN 209448840U
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- beam former
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- transmitting set
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Abstract
The utility model is suitable for field of photoelectric technology, provides a kind of light source module group comprising single light emission component, the first Beam former and the second Beam former.Light emission component time division emission light is to the first, second Beam former.The light that first Beam former is emitted light emission component is modulated into uniform and parallel floodlight and is projected to an object.The light that second Beam former is emitted light emission component is modulated into patterned structure light and is projected to object.The field range of second Beam former and the field range of the first Beam former partly overlap.The object is located in the equitant region of field range of the first, second Beam former, so that floodlight and structure light can be projected to the object.Therefore the function for the first two light source module group that the only one light source module group of the utility model is able to achieve, can effectively reduce volume.The utility model also provides a kind of 3D imaging system, identity recognition device and electronic equipment.
Description
Technical field
The utility model belongs to field of photoelectric technology more particularly to a kind of light source module group, 3D (3 Dimension, three-dimensional)
Imaging system, identity recognition device and electronic equipment.
Background technique
Present 3D imaging system generally comprises two light source module groups, and one of light source module group is for projecting floodlight (i.e.
Uniform light filling light field), with the 2-dimentional photo of photographic subjects object；Another light source module group is for projective structure light (such as spot
Structure light), to obtain the depth information of object；Last processor will be at the depth information and two dimensional image of object
Reason generates 3D rendering.It is larger so as to cause its volume since there are two light source module groups for 3D imaging system tool, it can excessively occupy 3D
The space of electronic equipment internal where imaging system is unfavorable for the miniaturization of electronic equipment.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of light source module groups, 3D imaging system, identification
Device and electronic equipment, it is intended to effectively diminution volume.
The utility model is realized in this way a kind of light source module group comprising only one optical transmitting set, first light beam
Shaper and second Beam former.The optical transmitting set for time division emission light to first Beam former and
Second Beam former.First Beam former is for the light that the optical transmitting set is emitted to be modulated into uniformly
And parallel floodlight and it is projected to an object.Second Beam former is used for the light for being emitted the optical transmitting set
It is modulated into patterned structure light and is projected to the object.Second Beam former is formed close to first light beam
Device setting, and the field range of second Beam former and the field range of first Beam former partly overlap.
The field range that the object is located at first Beam former is mutually be overlapped with the field range of second Beam former
In folded region, so that the floodlight and the structure light can be projected to the object.
The utility model additionally provides a kind of 3D imaging system comprising the above-mentioned light source module group of only one, an image
Obtaining module and a processor.Described image obtaining module is for obtaining the floodlight reflected by the object, to obtain
The two dimensional image of the object；It is also used to obtain the patterned structure light reflected by the object, it is described to obtain
The depth information of object.The processor is used for two dimensional image and depth information according to the object, generates the mesh
Mark the 3D rendering of object.
The utility model additionally provides a kind of identity recognition device comprising identification mould group and above-mentioned 3D imaging system.
It is described identification mould group for the object according to acquired in the 3D imaging system two dimensional image and/or depth information into
Row identification.
The utility model additionally provides a kind of electronic equipment, including above-mentioned identity recognition device.The electronic equipment is used
In corresponding to whether execute corresponding function according to the recognition result of the identity recognition device.
Compared with prior art, beneficial effect is the utility model: can be achieved with using only one light source module group existing
There is the function of two light source module groups in technology, therefore can effectively reduce volume.
Detailed description of the invention
Fig. 1 is the functional block diagram for the 3D imaging system that the utility model first embodiment provides.
Fig. 2 and Fig. 3 is the partial structure diagram of the 3D imaging system of Fig. 1.
Fig. 4 and Fig. 5 is the partial structure diagram for the 3D imaging system that the utility model second embodiment provides.
Fig. 6 and Fig. 7 is the partial structure diagram for the 3D imaging system that the utility model 3rd embodiment provides.
Fig. 8 and Fig. 9 is the partial structure diagram for the 3D imaging system that the utility model fourth embodiment provides.
Figure 10 is the functional block diagram for the identity recognition device that the 5th embodiment of the utility model provides.
Figure 11 is the functional block diagram for the electronic equipment that the utility model sixth embodiment provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter to the component of specific examples and being set for describing.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.
Further, described feature, structure can be incorporated in one or more embodiment party in any suitable manner
In formula.In the following description, many details are provided to provide and fully understand to the embodiments of the present invention.
However, one of ordinary skill in the art would recognize that, without one or more in the specific detail, or using other knots
Structure, constituent element etc. can also practice the technical solution of the utility model.In other cases, it is not shown in detail or describes known knot
Structure or operation are to avoid fuzzy the utility model.
As shown in Figure 1, a kind of 3D imaging system 100 provided by the utility model first embodiment comprising light source die
Group 10, image obtaining module 30 and processor 50.
The light source module group 10 includes light emission component 11, the first Beam former 12 and the second Beam former 13.?
In the present embodiment, the quantity of the light emission component 11 is 1.
The light emission component 11 is for time division emission light to first Beam former 12 and second light beam
Shaper 13.The light can be the suitable light beams such as visible light or infrared light.
First Beam former 12 is used to the light that the optical transmitting set 11 is emitted being modulated into uniform floodlight
And it is projected to an object.In the present embodiment, first Beam former 12 is floodlight modulator.
Second Beam former 13 is used to the light that the optical transmitting set 11 is emitted being modulated into patterned knot
Structure light is simultaneously projected to the object.Second Beam former 13 is arranged close to first Beam former 12, and institute
The field range of the field range and first Beam former 12 of stating the second Beam former 13 partly overlaps.The target
Level is equitant in the field range of first Beam former 12 and the field range of second Beam former 13
In region, so that the floodlight and the structure light can be projected to the object.In the present embodiment, first light beam
The incidence surface of shaper 12 and the incidence surface of second Beam former 13 are generally aligned in the same plane；First Beam former
There is a predetermined space distance, to prevent light crosstalk (i.e. from described the between 12 and second Beam former 13
The light that one Beam former 12 projects is again introduced into second Beam former 13, or from second Beam former
13 light projected are again introduced into first Beam former 12).The predetermined space distance can be adjusted as needed.
Certainly, in other embodiments, can also will be arranged between first Beam former 12 and second Beam former 13
One blocking element, and be connected in the two opposite side surfaces of the blocking element, therefore first Beam former 12
Predetermined space distance between second Beam former 13 is the thickness of the blocking element itself, thus further
Reduce the volume of the light source module group 10.
Second Beam former 13 such as, but not limited to includes diffraction optical element (Diffractive
Optical Element, DOE), such as hot spot reproducer.However, changing ground, in other embodiments, second light
Beamformer 13 can also be the device of other suitable types, can be realized to form patterned structure light.The patterning
Structure light for example in striped formula, dot matrix, grid type, coding type etc..
Described image obtaining module 30 is for obtaining the floodlight reflected by the object, to obtain the object
Two dimensional image；It is also used to obtain the patterned structure light reflected by the object, to obtain the depth of the object
Information.Described image obtaining module 30 obtains anti-by the object institute for example including only one imaging sensor for timesharing
The floodlight penetrated and patterned structure light.Certainly, described image obtaining module 30 includes two imaging sensors, described two figures
As sensor is correspondingly arranged with first Beam former 12 and second Beam former 13 respectively, it is respectively used to obtain
The floodlight reflected by the object and patterned structure light.
The processor 50 is used for two dimensional image and depth information according to the object, generates the 3D of the object
Image.
As shown in Figures 2 and 3, the light emission component 11 includes an optical transmitting set 111 and a controller 113.?
In the present embodiment, the optical transmitting set 111 is laser, such as semiconductor edge-emitting laser device (Edge Emitting
Laser), vertical cavity surface-emitting laser (Vertical Cavity Surface Emitting Laser, VCSEL) or
Other kinds of laser or be other types of light source.The controller 113 is for controlling the optical transmitting set 111
It is rotated, to adjust the direction of the light-emitting surface of the optical transmitting set 111, so that the light that the optical transmitting set 111 is emitted
First Beam former 12 or second Beam former 13 can be directly projected to.
Specifically, as shown in Fig. 2, firstly, the controller 113 adjusts the side of the light-emitting surface of the optical transmitting set 111
To the light for enabling the optical transmitting set 111 to be emitted is projected to first Beam former 12, and is modulated into floodlight
And it is projected to the object, described image obtaining module 30 obtains the floodlight reflected by the object, described to obtain
The two dimensional image of object；As shown in figure 3, then, the controller 113 adjusts the light-emitting surface of the optical transmitting set 111 again
Direction, the light that the optical transmitting set 111 is emitted is projected to second Beam former 13, and is modulated into
Patterned structure light is simultaneously projected to the object, and described image obtaining module 30 obtains the knot reflected by the object
Structure light, to obtain the depth information of the object.
As shown in Figures 4 and 5, a kind of 3D imaging system 100a provided by the utility model second embodiment, with
The difference of one embodiment is, the light emission component 11a include the luminous optical transmitting set 111a in a side, one it is moveable
A reflecting element 115a and driver 117a.The optical transmitting set 111a is fixed at the first Beam former 12a
And the incident side of the second Beam former 13a.The driver 117a for drive the reflecting element 115a relative to
The optical transmitting set 111a is moved, to change the distance between the reflecting element 115a and the optical transmitting set 111a,
The reflecting element 115a that the optical transmitting set 111a light emitted is projected to first light beam to be formed
Second Beam former of device 12a or described 13a.
The reflecting element 115a can be primary event mirror, secondary reflection mirror or multiple reflections mirror.When the reflector
When part 115a is primary event mirror, the inclination of the light-emitting surface of the reflecting surface of the reflecting element 115a and the optical transmitting set 111a
Angle is, for example, any one numerical value in [30,60] degree.The tilt angle according to the light-emitting surface of the optical transmitting set 111a with
Relative positional relationship between the first Beam former 12a and the second Beam former 13a determines.In this implementation
In example, the tilt angle is preferably 45 degree, and the light-emitting surface of the optical transmitting set 111a is perpendicular to horizontal plane.
Specifically, as shown in figure 4, firstly, the reflecting element 115a is moved into and the first Beam former 12a
Corresponding position, the light that the optical transmitting set 111a is emitted are reflexed to described by the reflecting element 115a
First Beam former 12a, and be modulated into floodlight and be projected to the object later, described image obtaining module 30 obtains quilt
The floodlight that the object is reflected, to obtain the two dimensional image of the object；As shown in Fig. 5, then, the reflector
Part 115a is moved again to position corresponding with the second Beam former 13a, so that the optical transmitting set 111a institute
The light of transmitting can reflex to the second Beam former 12a by the reflecting element 115a, and be modulated into patterning
Structure light after be projected to the object, described image obtaining module 30 obtains the structure reflected by the object
Light, to obtain the depth information of the object.
Further, the reflecting element 115a can also extend the light for the light that the photocell 111a is emitted
Road, the transmitting distance of increasing light, so that being formed by the area of area source by the reflecting element 115a light reflected
Increase.
As shown in FIG. 6 and 7, a kind of 3D imaging system 100b provided by the utility model 3rd embodiment, with
The difference of one embodiment is that the light emission component 11b includes the luminous optical transmitting set 111b in a side, a controller
The reflecting element 115b of 113b and fixed setting.The reflecting element 115b is fixed at first Beam former
The incident side of 12b and the second Beam former 13b.It is opposite that the controller 113b can control the optical transmitting set 111b
Rotated in the reflecting surface of the reflecting element 115b, with adjust the optical transmitting set 111b light-emitting surface light direction with
Relative dip angle between the reflecting surface of the reflecting element 115b, so that the light that the optical transmitting set 111b is emitted
The different zones of the reflecting surface of the reflecting element 115b can be reached, to be reflected onto the first Beam former 12b
Or the second Beam former 13b.
The reflecting element 115b can be primary event mirror, secondary reflection mirror or multiple reflections mirror.When the reflector
When part 115b is primary event mirror, the inclination of the light-emitting surface of the reflecting surface of the reflecting element 115b and the optical transmitting set 111b
Angle is, for example, any one numerical value in [30,60] degree.The tilt angle according to the light-emitting surface of the optical transmitting set 111b with
Relative positional relationship between the first Beam former 12b and the second Beam former 13b determines.In this implementation
In example, the tilt angle is preferably 45 degree.
As can be seen from figures 8 and 9, a kind of 3D imaging system 100c provided by the utility model fourth embodiment, with
The difference of three embodiments is that the controller 113c is for controlling the optical transmitting set 111c relative to the reflecting element
115c is moved, with adjust between the light-emitting surface of the optical transmitting set 111c and the reflecting surface of the reflecting element 115c away from
From the light for enabling the optical transmitting set 111c to be emitted reaches the not same district of the reflecting surface of the reflecting element 115c
Domain, to be reflected onto second Beam former of the first Beam former 12c or described 13c.
As shown in Figure 10, a kind of identity recognition device 300 provided by the 5th embodiment of the utility model comprising identification
Mould group 310 and above-mentioned 3D imaging system 100.
It is described identification mould group 310 for the object according to acquired in the 3D imaging system 100 3D rendering into
Row identification.
The identity recognition device 300 is, for example, face authentification device.So, the identity recognition device 300 can also be used for
Identify other proper sites of human body, or even other organisms or inorganic matter for identification.
Further, as shown in figure 11, the utility model sixth embodiment offer a kind of electronic equipment 400, such as but
It is not limited to the suitable types such as consumer electrical product, household formula electronic product, vehicular electronic product, financial terminal product
Electronic product.Wherein, consumer electrical product for example but is not limited to mobile phone, tablet computer, laptop, desktop and shows
Device, computer all-in-one machine etc..Household formula electronic product for example but is not limited to intelligent door lock, TV, refrigerator, wearable device etc..
Vehicular electronic product for example but is not limited to automatic navigator, vehicle-carrying DVD etc..Financial terminal product for example but is not limited to
ATM machine, terminal of self-service transacting business etc..The electronic equipment 400 includes above-mentioned identity recognition device 300.The electronics is set
Whether standby 400 execute corresponding function according to the identification result of the identity recognition device 300 to correspond to.It is corresponding
Function is such as, but not limited to include unlock, payment, any one or a few in the application program that prestores of starting.
In the present embodiment, it is illustrated so that electronic equipment 400 is mobile phone as an example.What the mobile phone for example, shielded comprehensively
The positive top of mobile phone is for example arranged in mobile phone, the identity recognition device 300.Certainly, the mobile phone is also not restricted to entirely
Face mobile phone.
For example, the screen for lifting mobile phone or touch mobile phone can act as wake-up when user needs to boot up unlock
The effect of the identity recognition device 300.After the identity recognition device 300 is waken up, identify in front of the mobile phone
When user is legal user, then lock screen is solved.
Compared with prior art, the light source module group of the utility model, 3D imaging system, identity recognition device and electronics are set
It is standby, it can be achieved with the function of two light source module groups in the prior art using only one light source module group, therefore can effectively reduce
Volume.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (14)
1. a kind of light source module group, which is characterized in that it includes single light emission component, the first Beam former and the second light beam shape
It grows up to be a useful person；The light emission component is for time division emission light to first Beam former and second Beam former；
First Beam former is for being modulated into uniform floodlight for the light that the light emission component is emitted and being projected to one
Object；Second Beam former is used to the light that the light emission component is emitted being modulated into patterned structure light
And it is projected to the object；Second Beam former is arranged close to first Beam former, and second light
The field range of beamformer and the field range of first Beam former partly overlap, so that the floodlight and described
Structure light can be projected to the object.
2. light source module group as described in claim 1, which is characterized in that the light emission component includes an optical transmitting set and one
A controller；The controller rotated for controlling the optical transmitting set, to adjust the light-emitting surface of the optical transmitting set
Direction, the light that the optical transmitting set is emitted are projected to first Beam former or the second light beam shape
It grows up to be a useful person.
3. light source module group as described in claim 1, which is characterized in that the light emission component includes the luminous light hair in a side
Emitter, a moveable reflecting element and a driver；The optical transmitting set is fixed at first light beam and is formed
The incident side of device and second Beam former；The driver is for driving the reflecting element relative to the light emitting
Device is moved, and to change the distance between the reflecting element and the optical transmitting set, enables the reflecting element will
The light that the optical transmitting set is emitted is projected to first Beam former or second Beam former.
4. light source module group as described in claim 1, which is characterized in that the light emission component includes the luminous light hair in a side
Emitter, a controller and a reflecting element；The reflecting element is fixed at first Beam former and described
The incident side of second Beam former；The controller is for controlling reflection of the optical transmitting set relative to the reflecting element
Face is rotated, to adjust the phase between the light direction of light-emitting surface of the optical transmitting set and the reflecting surface of the optical transmitting set
To tilt angle, the light that the optical transmitting set is emitted reaches the not same district of the reflecting surface of the reflecting element
Domain, to be reflected onto first Beam former or second Beam former.
5. light source module group as described in claim 1, which is characterized in that the light emission component includes the luminous light hair in a side
Emitter, a controller and a reflecting element；The reflecting element is fixed at first Beam former and described
The incident side of second Beam former；The controller is for controlling reflection of the optical transmitting set relative to the reflecting element
Face is moved, to adjust the light-emitting surface of the optical transmitting set and the distance between the reflecting surface of the optical transmitting set, so that institute
The different zones of reflecting surface of the reflecting element can be reached by stating the light that optical transmitting set is emitted, to be reflected onto described
First Beam former or second Beam former.
6. light source module group as described in any one in claim 1-5, which is characterized in that first Beam former is floodlight tune
Device processed, second Beam former are diffraction optical element.
7. light source module group as described in any one in claim 1-5, which is characterized in that the incidence surface of first Beam former
It is generally aligned in the same plane with the incidence surface of second Beam former.
8. light source module group as claimed in claim 7, which is characterized in that first Beam former and the second light beam shape
There is a predetermined space distance, to prevent light crosstalk between growing up to be a useful person.
9. light source module group as claimed in claim 8, which is characterized in that first Beam former and the second light beam shape
One blocking element is set between growing up to be a useful person.
10. light source module group as described in any one in claim 1-5, which is characterized in that the light that the light emission component is emitted
Line is visible light or infrared light.
11. a kind of 3D imaging system, which is characterized in that it includes the described in any item light sources of only one the claims 1-5
Mould group, an image obtaining module and a processor；Described image obtaining module is reflected for obtaining by the object
Floodlight, to obtain the two dimensional image of the object；It is also used to obtain the patterned structure reflected by the object
Light, to obtain the depth information of the object；The processor is used to be believed according to the two dimensional image and depth of the object
Breath, generates the 3D rendering of the object.
12. 3D imaging system as claimed in claim 11, which is characterized in that described image obtaining module includes only one image
Sensor obtains the floodlight reflected by the object and patterned structure light for timesharing；Or,
Described image obtaining module include two imaging sensors, described two imaging sensors respectively with the first light beam shape
It grows up to be a useful person and second Beam former is correspondingly arranged, be respectively used to obtain the floodlight and patterning reflected by the object
Structure light.
13. a kind of identity recognition device, which is characterized in that it includes described in identification any one of mould group and claim 11-12
3D imaging system, it is described identification mould group be used for the object according to acquired in the 3D imaging system two dimensional image
And/or depth information carries out identification.
14. a kind of electronic equipment, which is characterized in that including the identity recognition device described in claim 13, the electronic equipment
Corresponding function whether is executed for corresponding to according to the recognition result of the identity recognition device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821481026.2U CN209448840U (en) | 2018-09-11 | 2018-09-11 | Light source module group, 3D imaging system, identity recognition device and electronic equipment |
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| CN201821481026.2U CN209448840U (en) | 2018-09-11 | 2018-09-11 | Light source module group, 3D imaging system, identity recognition device and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068117A (en) * | 2018-09-11 | 2018-12-21 | 深圳阜时科技有限公司 | Light source module group, 3D imaging system, identity recognition device and electronic equipment |
| CN115499638A (en) * | 2021-06-17 | 2022-12-20 | 深圳市光鉴科技有限公司 | Display device and electronic equipment with 3D module of making a video recording |
-
2018
- 2018-09-11 CN CN201821481026.2U patent/CN209448840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068117A (en) * | 2018-09-11 | 2018-12-21 | 深圳阜时科技有限公司 | Light source module group, 3D imaging system, identity recognition device and electronic equipment |
| CN115499638A (en) * | 2021-06-17 | 2022-12-20 | 深圳市光鉴科技有限公司 | Display device and electronic equipment with 3D module of making a video recording |
| CN115499638B (en) * | 2021-06-17 | 2024-05-07 | 深圳市光鉴科技有限公司 | Display device and electronic equipment with 3D camera module |
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