CN207460318U - Convenient for fixed optics module - Google Patents

Abstract

The utility model provides one kind convenient for fixed optics module, and including circuit board, chip, microscope base and camera lens, the chip and the microscope base are mounted on the circuit board, and the camera lens is mounted on the microscope base, and the camera lens is equipped at least one location structure；A kind of mobile terminal using this optics module is also provided.By setting location structure on the camera lens of optics module, it is facilitated to fix；It is placed in mobile terminal and is provided with fixed structure coupled thereto on the stent of optics module, more stablize so that multiple optics modules can be more precisely carried out assembling, overall structure, so as to improving the structural stability of optics module and depth camera, preventing from colliding with, fall etc. influences its performance.

Description

Convenient for fixed optics module

Technical field

The utility model is related to optics and electronic technology fields more particularly to one kind to be convenient for fixed optics module.

Background technology

The depth information that depth camera can obtain target realizes 3D scannings, scene modeling, gesture interaction whereby, and current The RGB camera being widely used is compared, and depth camera is just progressively paid attention to be subject to all trades and professions.Such as utilize depth camera and electricity Somatic sensation television game can be realized to achieve the effect that game and body-building is two-in-one depending on the combination such as, computer, light in the KINECT of Microsoft, ratio difficult to understand ASTRA be representative therein.In addition, the tango projects of Google are directed to bringing depth camera into mobile equipment, as tablet, Mobile phone brings the usage experience overturned completely with this, for example can realize very real AR game experiencings, can use its into The functions such as row indoor map creates, navigation.

Intelligent electronic device such as mobile phone, tablet etc. have increasingly urgent demand to the built-in 3D depth cameras being imaged, deep Degree camera needs to develop to the directions such as small, low in energy consumption, stable structure, could be by more smart machines as embedded member Device uses.Consumer inevitably asks when smart machine is used particularly to move equipment by colliding with, falling etc. Topic, traditional one camera do not interfere with its performance generally when slight collide with, and for depth camera, slightly collide with The optics module relative position in depth camera can be caused to deviate, cause the precise decreasing of depth image.

In addition, in depth camera assembling process, the relative position of the optics module in camera needs to carry out stringent accurate Positioning deviates or deflects the precision that can all reduce depth image.

Easily generation loosening, deviation etc. cause depth image smart to optics module during assembling or use in the prior art Degree declines.

The content of the invention

In order to solve optics module in the prior art, easily generation loosens, partially the utility model during assembling or use From etc. cause depth image precise decreasing the problem of, propose a kind of to be convenient for fixed optics module.

To solve the above-mentioned problems, the technical solution adopted in the utility model is as described below：

A kind of optics module convenient for positioning, including circuit board, chip, microscope base and camera lens, the chip and the microscope base On the circuit board, the camera lens is mounted on the microscope base, and the camera lens is equipped at least one location structure.

In one embodiment, the form of the location structure is one kind in plane, protrusion, groove or irregular shape Or combination.

In one embodiment, the chip is image sensor chip or laser chip, when the chip is laser core During piece, the camera lens includes lens barrel and lens and diffraction optical element inside lens barrel, and the lens are for standard The light beam that the straight laser array chips are sent, the diffraction optical element are used to outwards project figure after the beam diffraction Case light beam.

In one embodiment, the circuit board includes one kind in flexible PCB, printed circuit board, Rigid Flex Or combination, the circuit board further include reinforcing plate, the reinforcing plate is that metal material or ceramic material are set outside the circuit board Material.

The utility model also provides a kind of mobile terminal, including：At least two optics modules as described above；Stent is used In the support optics module and the fixed structure coupled with the location structure of the optics module is provided with, the fixed structure It is contacted with the location structure and fixes the optics module.The optics module includes the projection module for projecting and is used for Gather the imaging modules of image；Processor is set on the stent.

The beneficial effects of the utility model are：The utility model provides a kind of convenient for fixed optics module and using this The mobile terminal of a optics module by setting location structure on the camera lens of optics module, facilitates it to fix；In mobile terminal It places and is provided with fixed structure coupled thereto on the stent of optics module, so that multiple optics modules can be more accurate Ground is assembled, overall structure is more stablized, and so as to improve the structural stability of optics module and depth camera, prevents from knocking Touching, fall etc. influences its performance.

Description of the drawings

Fig. 1 is the stereoscopic schematic diagram of the optics module of the utility model one embodiment.

Fig. 2 is the optics module schematic diagram of the other embodiment of the utility model.

Fig. 3 is the schematic diagram of the 3D imaging devices of the utility model one embodiment.

Fig. 4 is the mobile terminal structure schematic diagram of the utility model one embodiment.

Wherein, 1- optics modules, 11- circuit boards, 12- connectors, the connection between 13- circuit boards and microscope base, 14- mirrors Seat, the connection between 15- microscope bases and camera lens, 16- lens barrels, 17- location structures, 18- optical elements, 3-3D imaging devices, 31- into As module, 32-RGB camera modules, 33- projection modules, 34- stents, 4- mobile terminals, 41- shells, 42- screens, 43- mainboards, 44- batteries, 45- application specific processors.

Specific embodiment

The utility model is described in detail by specific embodiment below in conjunction with the accompanying drawings, for a better understanding of this Utility model, but following embodiments are not intended to limit the scope of the utility model.In addition, it is necessary to illustrate, institute in following embodiments The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in attached drawing only display with it is related in the utility model Component rather than component count, shape and size during according to actual implementation draw, the shape of each component, number during actual implementation Amount and ratio can be a kind of random change, and its assembly layout form may also be increasingly complex.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.In addition, connection can be for fixing Effect can also be acted on for circuit communication.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System is for only for ease of description the utility model embodiment and simplifies description rather than instruction or imply signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the utility model embodiment, " multiple " be meant that two or Two or more, unless otherwise specifically defined.

The utility model is directed to for the 3D depth cameras being imaged or the electronic equipment for being embedded in depth camera module, is carried A kind of stable structure, the organization plan of small and high heat dissipation optics module are gone out.The structure side that the utility model is proposed Case has been applicable in all types of mobile terminals including depth camera, and the type of mobile terminal is unrestricted, can be hand The equipment such as machine, tablet computer, laptop, PC terminals, e-book, personal digital assistant, MP3/4/5, video camera, camera, It should be appreciated that although the above-mentioned type that lists the mobile electronic device and can be carried out, its being only for example property are said It is bright, the limitation to present disclosure and scope can not be considered as.In other words, mobile terminal can also have other implementations Mode.To this reality be illustrated with the depth camera based on structured light technique and its relevant electronic equipment in discussion below With new thought.

Hereinafter described optics module can be projection module, imaging modules or RGB camera based on structured light technique Module, it is to be understood that optics module can also include more, such as the hair in the depth camera based on TOF technologies Penetrate module and receiving module.

As shown in Figure 1, the stereoscopic schematic diagram of the optics module of the utility model one embodiment.Optics module 1 includes core Piece (not shown), circuit board 11, microscope base 14, camera lens (including lens barrel 16, optical element 18), chip are mounted on circuit board On, and control of the electric current realization to chip can be provided by circuit board, pass through 13 connections, microscope base between circuit board 11 and microscope base 14 By 15 connections between 14 and camera lens, connection mode 13 and 15 includes but not limited to the side such as screw thread, glue, stickup, buckle, welding Formula.Circuit board 11 includes flexible PCB (FPC), printed circuit board (PCB), Rigid Flex etc., sometimes can also be in circuit Metal material, such as copper sheet are provided on plate to increase the hardness of circuit board, while heat dissipation can also be played the role of；It can also Ceramic material is set on circuit boards, and ceramic material is one of aluminium oxide, beryllium oxide and aluminium nitride.Circuit board further includes company Device 12 is connect, connector includes any form, for example plate is to (BTB) connector, zero insertion force (ZIF) connector etc..

Chip generally has image sensor chip and laser chip according to the species of optics module, when optics module is imaging During module, chip is image sensor chip, such as CMOS, CCD etc., and optical element is generally imaging len at this time, for not Same imaging modules, imaging sensor also needs to be equipped with corresponding optical filter, for example Baeyer optical filter is used for obtaining coloured image, Infrared fileter is used for obtaining infrared image.When optics module is projects module, chip is laser chip, for emitting light extraction Beam, at this time optical element generally comprise lens and diffraction optical element, lens are used for collimated light beam, and diffraction optical element is then Patterned beam will outwards be launched after beam diffraction.

Optics module using can with used aloned can also multiple modules be used in combination, by single or multiple light Module is learned when being installed together, generally by camera lens part is fixed so as to being fixed on the optics module.But current big portion Story board is using circular camera lens section form, causes to be difficult to be accurately positioned in fixed assembling process；During use, optics Module also easily deviates after falling or colliding with.For this problem, can set about being solved in terms of two：First, add The fixed form of strong camera lens, such as the localization method for improving camera lens have following several, slot can determine with vee-block, elastic collet positions, The positioning method on the basis of lens axis such as scroll chuck positioning, taper thimble strengthens the positioning of camera lens；Second is that change mirror The section form of head, makes it easy to fix.Obviously, first way needs to improve larger, and is not easy to realize, light easy to increase Learn the area of module.

In the utility model, mainly make optics module by changing the section form of camera lens convenient for fixation.Specifically Location structure 17 is put by setting up separately in camera lens part.In embodiment as shown in Figure 1, which can regard circle originally as The camera lens of shape has been cut a part, and the planar section newly formed is location structure 17.It is understood that due to being flat Face so that camera lens is less likely to occur to deflect, and more stablizes.But the form of location structure 17 described herein be it is unfixed, can To be interpreted as convenient for the fixed new contact surface generated.The utility model is on the basis of no increase any part, is solved The problem of camera lens easily deflects.

In the alternative embodiments of the utility model, location structure 17 can also be arranged to the form needed, for example, it is convex Rise, the forms such as groove or irregular shape, irregular shape can protrusion and groove combination or other engaging knots Structure；It is set in the structure of fixed optics module or in the mobile terminal of Application Optics module mutual with the shape of location structure 17 The fit structure of cooperation can be fixed what optics module was stablized.

The quantity of location structure can be one, it is possibility to have multiple；When there is multiple location structure formulas, location structure can be with It is the combination of diversified forms, it can be with lift structure assembly precision and structural stability by quantitative increase.It is referred to herein Number refer in Fig. 1 that the number of the plane newly formed in other specific embodiments, accordingly refers to improve camera lens The new number convenient for fixed interface generated during section form.

Shown in Fig. 2 is the optics module schematic diagram according to some embodiments of the utility model.Wherein Fig. 2 (a) is light Learning module includes the situation of 1 location structure, and Fig. 2 (b), 2 (c) are respectively then the feelings that optics module includes 2,3 location structures Shape.

Shown in Fig. 3 is the schematic diagram according to the 3D imaging devices of the utility model one embodiment.3D imaging devices 3 (i.e. depth camera) includes the projection module 33 and corresponding imaging modules 31 for 3D imagings, wherein projection module 33 be used for Projective structure light pattern in space, imaging modules 31 are then for gathering by the structured light patterns after target modulation, by modulation Structured light patterns carry out analysis calculate obtain target depth image, here analysis calculate generally by special in depth camera It is completed with processor (not shown).Usually, module 33 is projected for projecting black light pattern, such as infrared light, Correspondingly, imaging modules 31 should also be infrared camera, in some embodiments, structured light patterns can also be other any ripples Long light, such as ultraviolet, visible ray etc..

There is certain spacing between imaging modules 31 and projection module 33, referred to herein as baseline.For structure optical depth phase For machine, the measurement range and precision of the length meeting influence depth camera of baseline, usually, baseline is longer, and measurement range is bigger； In addition, for same measurement distance, baseline is longer, and measurement accuracy is then higher.However when base length, it is desirable that the ruler of depth camera It is very little also bigger, cause to be difficult to be embedded into some miniature electronic equipments, therefore the selection of baseline should be to depth camera ruler Very little, measurement range, precision etc. are many to be considered.For consumer level depth camera, the distance of baseline is suitable It is between the 1cm~10cm of section.

In order to which 3D imaging devices 3 is allowed to possess more functions, usually, colored phase is also configured in 3D imaging devices 3 Machine module, such as RGB camera module 32 are illustrated by taking RGB camera module as an example in explanation later, it is possible to understand that It is that the utility model is not limited to this.The 3D imaging devices 3 for being configured with RGB camera module 32 then have synchronous acquisition target depth Spend the ability of image and RGB image.Due between imaging modules 31 and RGB camera module 32 there are a certain distance, Certain parallax is certainly existed between the depth image and RGB image that obtain respectively.In some applications, it may be desirable to what is utilized is not have There are the depth image and RGB image of parallax, i.e. RGBD images.For this purpose, it generally requires to imaging modules 31 and RGB camera module 32 It is demarcated to obtain relative position relation therebetween, parallax can then be eliminated according to calibration result, this process is often It is also referred to as registering.Imaging modules 31 and the distance between RGB camera module 32 are smaller, and parallax is also with regard to smaller, registering difficulty Can reduce, therefore, often RGB camera module 32 can relatively close imaging modules 31 some, as shown in Figure 3.

In the alternative embodiments of the present embodiment, other modules in addition to RGB modules can also be configured, such as in projective module Group 33 another side be equally also provided with a module identical with imaging modules 31, i.e. three on same baseline, but two into Picture module is located at both sides respectively, thus constitutes the 3D imaging devices of active binocular structure light principle.In one embodiment, Parallax range between two imaging modules 31 and projection module 33 is different, it is possible thereby to meet the application need of different measurement ranges Will, for example when far measuring distance, the longer imaging modules 31 of baseline may be employed with projection module 33 to measure；Or Open two imaging modules 31 simultaneously, but carry out depth survey respectively, by finally obtain two depth images merge with Obtain measurement range, the depth image of resolution ratio bigger.It is understood that when measurement distance difference, in imaging modules 31 The focal lengths of lens also differ.

Projection module 33, imaging modules 31 and RGB camera module 32 are referred to as optics module in subsequent explanation, It is understood that optics module can also include more, such as the emitting mould train in the depth camera based on TOF technologies With receiving module.

Depth camera is compared with traditional single camera, to the relative stability requirement between each optics module for containing more Height, this is because the precision of depth image depends on the parallax range between projection module 33 and imaging modules 31.Usually, it is Meet this stability, depth camera further included in addition to comprising these optics modules for fixed stent 34, stent 34 Above contain and be directly connected to the one-to-one fixed structure of each module, the fixed structure and the camera lens of optics module 1, work as optics After module contains location structure, such as plane, the fixed structure needs on stent are coupled with the plane, compared with traditional optical mould Group structure, the utility model provides the optics module with location structure and is easier to agree with the fixed structure of stent, in depth Will be carried out quickly being accurately positioned in camera assembling process, occur falling in use or collide with phenomenon when, optical mode Relative position between group will more be stablized.

The location structure of 4 plane forms as shown in figure 3, the camera lens of projection module 33 has part ownership, and imaging modules 31 And RGB camera module 32 possesses the location structure of 2 plane forms.

Stent 34 is generally made of the preferable material of rigidity, such as steel, aluminium alloy, kirsite etc., thickness be about 0.5mm~ 5mm, stent 34 can also be the mainboard in electronic equipment or the stent for fixing other devices.Stent 34 and each optical mode Structural stability can also be further enhanced between group by forms such as glue, welding.

It is to be illustrated with the structure of depth camera in above embodiment, in fact, depth camera will be increasingly More becomes electronic equipment, such as the component of mobile phone, computer, tablet, TV etc., and actually depth camera is also a kind of in itself Electronic equipment, so that electronic equipment has 3D imaging capabilities.Structure in the various embodiments described above can also be used in electronics and set In the integrated morphology of standby middle depth camera.It is illustrated below by taking mobile phone as an example.

Fig. 4 is according to the mobile terminal structure schematic diagram of the utility model one embodiment.Mobile terminal 4 include shell 41, Screen 42, imaging modules 31, RGB camera module 32, projection module 33, in addition further included inside mobile terminal 4 battery 44 with And mainboard 43.Here, depth camera is arranged on the image for obtaining 4 frontispiece of mobile terminal, therefore is preposition depth camera, In some embodiments, it is also possible to it is postposition form.In this structure, each module of depth camera and the master in mobile terminal 4 Plate is separated, and depth camera is independent component and is integrated in the terminal, and depth camera here can be Structure in Fig. 1-embodiment shown in Fig. 3.In some embodiments, Mobile terminal main board 43 can close two with stent 34 and be One, other components on depth camera, such as application specific processor 45 can also be placed directly into the mainboard 43 of mobile terminal 4 On, it might even be possible to the function of application specific processor is performed by other processors on mainboard 43, it is possible thereby to reduce component Quantity so that whole electronic equipment is more integrated, and power consumption can also reduce.

Optics module in the utility model on its camera lens by setting at least one location structure, so as to be promoted Optics module is quickly accurately positioned in assembling process realization and promotes its overall structure stability in use, to be promoted Drop resistant performance.

The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For those skilled in the art of the present invention For, without departing from the concept of the premise utility, several equivalent substitute or obvious modifications, and performance can also be made Or purposes is identical, should all be considered as belonging to the scope of protection of the utility model.

Claims (10)

1. one kind be convenient for fixed optics module, which is characterized in that including circuit board, chip, microscope base and camera lens, the chip and The microscope base is mounted on the circuit board, and the camera lens is mounted on the microscope base, and it is at least one fixed that the camera lens is equipped with Bit architecture.

2. it is convenient for fixed optics module as described in claim 1, which is characterized in that the form of the location structure is flat One kind or combination in face, protrusion, groove or irregular shape.

3. it is convenient for fixed optics module as described in claim 1, which is characterized in that the chip is image sensor chip Or laser chip.

4. it is convenient for fixed optics module as claimed in claim 3, which is characterized in that when the chip is laser chip, The camera lens includes lens barrel and lens and diffraction optical element inside lens barrel, and the lens are described for collimating The light beam that laser array chips are sent, the diffraction optical element are used to outwards project patterning light after the beam diffraction Beam.

5. it is convenient for fixed optics module as described in claim 1, which is characterized in that the circuit board includes flexible circuit One kind or combination in plate, printed circuit board, Rigid Flex.

6. it is convenient for fixed optics module as claimed in claim 5, which is characterized in that the circuit board further includes reinforcing plate, The reinforcing plate is that metal material or ceramic material are set outside the circuit board.

7. it is convenient for fixed optics module as described in claim 1, which is characterized in that the circuit board further includes connector.

8. a kind of mobile terminal, which is characterized in that including：

At least two optics modules as described in claim 1~7 is any；

Stent is used to support the optics module and is provided with the fixed structure coupled with the location structure of the optics module, The fixed structure contacts with the location structure and fixes the optics module.

9. mobile terminal as claimed in claim 8, which is characterized in that the optics module includes the projection module for projection With for gathering the imaging modules of image.

10. mobile terminal as claimed in claim 8, which is characterized in that processor is set on the stent.