CN105187695A - Dual-camera module set and image pickup device - Google Patents
Dual-camera module set and image pickup device Download PDFInfo
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- CN105187695A CN105187695A CN201510431055.2A CN201510431055A CN105187695A CN 105187695 A CN105187695 A CN 105187695A CN 201510431055 A CN201510431055 A CN 201510431055A CN 105187695 A CN105187695 A CN 105187695A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a dual-camera module set. The dual-camera module set comprises a circuit board, two lens units and an integrated voice coil motor; the voice coil motor is arranged on the circuit board; the voice coil motor comprises a motor base arranged on the circuit board; the two lens units are arranged on the motor base; and the central axes of the two lens units are parallel to each other. Since the voice coil motor is of an integrated structure, the voice coil motor can simultaneously carry and accommodate the two lens units, and therefore, the central axes of the two lens units are parallel to each other assuredly, and assembly can be precise, and yield can be improved, and production processing capability can be improved. The invention also discloses an image pickup device.
Description
Technical field
The present invention relates to camera technique field, especially relate to a kind of dual camera module and a kind of camera head.
Background technology
At present, dual camera module comprises two voice coil motors be independently installed on same circuit board.During assembling, each voice coil motor all may occur tilting, and the probability of run-off the straight is relatively large, easily causes dual camera module group assembling defective, affects image quality.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention needs to provide a kind of dual camera module.
The present invention also needs to provide a kind of camera head.
The dual camera module of embodiment of the present invention, comprises circuit board, two lens units and integral type voice coil motor.Described voice coil motor is located on described circuit board, and described voice coil motor comprises the single-motor pedestal be located on described circuit board, and described two lens units are arranged on described motor base, and described two lens unit central shafts are parallel to each other.
In the dual camera module of embodiment of the present invention, because described voice coil motor is integral type structure, can carry simultaneously and hold described two lens units, thus ensure that described two lens unit central shafts are parallel to each other, assembling precisely, improves yield, improves procedure for producing ability.
In some embodiments, each described lens unit comprises lens barrel and is located at the lens set in described lens barrel.
In some embodiments, described voice coil motor comprises the camera lens carrier of integral type, described camera lens carrier comprises two lens group fitted tubes and connects the connecting portion of described two lens group fitted tubes, each described lens unit is fixed in corresponding lens group fitted tube, described motor base offers two host cavities running through described motor base, and each described host cavity holds described lens group fitted tube.
In some embodiments, the second elastic component that described voice coil motor comprises the first elastic component on the first surface being arranged at described two lens group fitted tubes and is located on the second surface of described two lens group fitted tubes, this first surface and the opposing setting of this second surface.Described first elastic component comprises two the first leaf springs, and one end of described two lens group fitted tubes is stuck on described two the first leaf springs respectively.Described second elastic component comprises two the second leaf springs, and the other end of described two lens group fitted tubes is stuck on described two the second leaf springs respectively.Described first elastic component and described second elastic component are integrated formed structure.
In some embodiments, described voice coil motor comprises two groups of coils of the outer peripheral face being around in described two lens group fitted tubes respectively, one end of described coil is electrically connected with described first elastic component, the other end of described coil is electrically connected with described second elastic component, and described first elastic component and described second elastic component are electrically connected with power positive cathode respectively by described circuit board.
In some embodiments, described voice coil motor comprises shell, and described shell comprises four sidewalls and a roof, and described roof offers two circular holes, and described two lens units are assemblied in described shell by described two circular holes.
In some embodiments, described voice coil motor comprises multiple first magnetic part and multiple second magnetic part, described multiple first magnetic part is located at four corners of described shell, described multiple second magnetic part is located between described two lens group fitted tubes, and is individually fixed in the inner surface of two relative sidewalls of described shell.Described multiple first magnetic part is all relative with described coil with described multiple second magnetic part.
In some embodiments, described dual camera module also comprises the base be located on described circuit board and two filters being contained in described base, and described base is between described motor base and described circuit board.Described base comprises installed surface and the bottom surface opposing with described installed surface, described installed surface is towards described motor base, described base offers the first through hole and the second through hole that run through described installed surface and described bottom surface, on the inwall of described first through hole with the inwall top edge of described second through hole respectively to being recessed to form plummer outward, described plummer carries described filter.
In some embodiments, described dual camera module also comprises two image sensing chips be electrically connected with described circuit board, and described two image sensing chips are contained in described first through hole and described second through hole respectively.
The camera head of embodiment of the present invention, comprises the dual camera module of above-mentioned arbitrary execution mode.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of execution mode, wherein:
Fig. 1 is the exploded perspective view of the dual camera module of embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly.Can be mechanical connection, also can be electrical connection.Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Please refer to the drawing 1, the dual camera module 10 of embodiment of the present invention comprises circuit board 12, two lens units 14 and integral type voice coil motor 16.Voice coil motor 16 is located on circuit board 12, and voice coil motor 16 comprises the single-motor pedestal 16a be located on circuit board 12, and two lens units 14 are arranged on motor base 16a, and two lens unit 14 central shafts are parallel to each other.Preferably, two lens units 14 can be arranged on motor base 16a symmetrically.
In the dual camera module 10 of embodiment of the present invention, because voice coil motor 16 can carry and hold two lens units 14 simultaneously, thus ensure that two lens unit 14 central shafts are parallel to each other, assembling precisely, improves yield, improves procedure for producing ability.
In the present embodiment, each lens unit 14 lens barrel of comprising hollow cylindrical and the lens set be located in lens barrel.
In the present embodiment, voice coil motor 16 comprises the camera lens carrier 160 of integral type, camera lens carrier 160 comprises two lens group fitted tube 160a and connects the connecting portion 160b of two lens group fitted tube 160a, and each lens unit 14 is fixed in corresponding lens group fitted tube 160a.Such as, lens barrel is fixed together by being threaded with lens group fitted tube 160a.
Motor base 16a is rectangular-shaped, and motor base 16a offers two the host cavity 16b running through motor base 16a, and two host cavity 16b hold two lens group fitted tube 160a respectively.Host cavity 16b can be cylindrical cavity.
So, the camera lens carrier 160 of integral type can control bias when lens unit 14 is assembled, even if tilt two lens unit 14 optical axises still can be kept parallel when camera lens carrier 160 is assembled.
Particularly, lens group fitted tube 160a is the cylindrical shape of hollow, connecting portion 160b is rectangular-shaped, and connecting portion 160b can be arranged between two lens group fitted tube 160a perpendicular to the central shaft of lens group fitted tube 160a, and connecting portion 160b and two lens group fitted tube 160a can be one-body molded.Camera lens carrier 160 carries two lens units 14, and when camera lens carrier 160 moves up and down, camera lens carrier 160 drives two lens units 14 to move up and down.
The inner surface of lens group fitted tube 160a is provided with internal thread, and the outer surface of lens barrel is provided with the external screw thread matched with the internal thread of lens group fitted tube 160a, and two lens units 14 are fitted together with two lens group fitted tube 160a respectively by thread fiting mode.
In the present embodiment, voice coil motor 16 comprise be arranged at two lens group fitted tube 160a first surface on the first elastic component 162 and the second elastic component 164, this first surface and the opposing setting of this second surface be located on the second surface of two lens group fitted tube 160a.
First elastic component 162 comprises two the first leaf spring 162a, and one end of two lens group fitted tube 160a is stuck on two the first leaf spring 162a respectively.Second elastic component 164 comprises two the second leaf spring 164a, and the other end of two lens group fitted tube 160a is stuck on two the second leaf spring 164a respectively.First elastic component 162 and the second elastic component 164 are integrated formed structure.
So, dual camera module 10 limits the movement position of camera lens carrier 160 by the first elastic component 162 and the second elastic component 164.
Particularly, first elastic component 162 and the second elastic component 164 are rectangular sheet shape, the middle part of the first leaf spring 162a and the second leaf spring 164a is all formed with springhole 164b, and the first surface of two lens group fitted tube 160a and second surface are stuck on the springhole 164b of the first leaf spring 162a and the second leaf spring 164a respectively.Wherein, first surface and second surface are respectively upper surface and the lower surface of lens group fitted tube 160a.
In the present embodiment, voice coil motor 16 comprises two groups of coils 166 of the outer peripheral face being around in two lens group fitted tube 160a respectively, one end of coil 166 is electrically connected with the first elastic component 162, the other end of coil 166 is electrically connected with the second elastic component 164, and the first elastic component 162a and the second elastic component 164 are electrically connected with power positive cathode respectively by circuit board 12.
So, powered to coil 166 by circuit board 12.
Particularly, one group of coil 166 can be coiled into by a wire, one end of wire is electrically connected on the first leaf spring 162a of the first elastic component 162, the other end of wire is electrically connected on the second leaf spring 164a of the second elastic component 164, and the first elastic component 162 and the second elastic component 164 are electrically connected to circuit board 12 again.
In the present embodiment, voice coil motor 16 comprises the rectangular-shaped shell of hollow 168, shell 168 comprises four sidewall 168a and roof 168b, roof 168b offers two circular hole 168c, the diameter of circular hole 168c is roughly the same with the diameter of lens unit 14, and two lens units 14 are assemblied in shell 168 by two circular hole 168c.
So, shell 168 is integral type structure, can hold two lens units 14 simultaneously, makes assembling precisely, ensures that two lens unit 14 central shafts are parallel to each other, improve yield, improve procedure for producing ability.
In the present embodiment, four sidewall 168a are connected with motor base 16a, and two circular hole 168c are arranged with two host cavity 16b are corresponding respectively.
So, motor base 16a and shell 168 be connected form cuboid receiving space to receive the element such as lens unit 14, camera lens carrier 160.
In the present embodiment, voice coil motor 16 comprises multiple first magnetic part 16c and multiple second magnetic part 16d, multiple first magnetic part 16c are located at the inner surface of four sidewall 168a, multiple second magnetic part 16d is located between two lens group fitted tube 160a, and multiple first magnetic part 16c is all relative with coil 166 with multiple second magnetic part 16d.So, by coil 166 and the interaction of multiple first magnetic part 16c and multiple second magnetic part 16d, camera lens carrier 160 is moved up and down relative to motor base 16a, thus drive lens unit 14 to move up and down.
Particularly, voice coil motor 16 comprises four the first magnetic part 16c and two the second magnetic part 16d.Four the first magnetic part 16c are located at four corners of shell 168, and particularly, the first magnetic part 16c is arranged in four corners jointly being surrounded by two sidewall 168a and roof 168b; Two the second magnetic part 16d are located between two lens group fitted tube 160a, and are individually fixed in the inner surface of two relative sidewall 168a of shell 168.In present embodiment, the first magnetic part 16c and the second magnetic part 16d is magnet, but is not limited to magnet, can also adopt other strong magnetic materials.The magnet amount that first magnetic part 16c and the second magnetic part 16d works for controlling voice coil motor 16.
In the present embodiment, dual camera module 10 also comprises the rectangular-shaped base 18 be located on circuit board 12 and two filters 20 being contained in base 18.Base 18 is between motor base 16a and circuit board 12.
Base 18 comprises installed surface 180 and the bottom surface 182 opposing with installed surface 180.Installed surface 180 is towards motor base 16a.Base 18 offers and to run through on installed surface 180 and the first through hole 184 of bottom surface 182 and the inwall of the second through hole 186, first through hole 184 with the inwall top edge of the second through hole 186 respectively to being recessed to form plummer outward, plummer carrying filter 20.
So, the base 18 of integral type can control the dip deviation of two lens units 14 when voice coil motor 16 is assembled and is consistent.The plummer of base 18 fixes filter 20 to prevent filter 20 from rocking or to move.
In the present embodiment, dual camera module 10 also comprises two image sensing chips, 22, two image sensing chips 22 be electrically connected with circuit board 12 and is contained in respectively in the first through hole 184 and the second through hole 186.
Particularly, when dual camera module 10 is assembled, shell 168, motor base 16a, base 18 and circuit board 12 are connected successively, form receiving space.Camera lens carrier 160 carries lens unit 14 and is held between the first elastic component 162 and the second elastic component 164, and coil 166 is wrapped on the lens group fitted tube 160a of camera lens carrier 160, and the first magnetic part 16c and the second magnetic part 16d is relative with coil 166.Filter 20 is arranged on the plummer of base 18, and image sensing chip 22 and circuit board 12 are electrically connected, and are contained in base 18.
In sum, shell 168, camera lens carrier 160, motor base 16a and base 18 all adopt integral structure, can carry simultaneously and hold two lens units 14, assembling precisely, ensure that the central shaft of two lens units 14 is parallel to each other, improve yield, improve procedure for producing ability.
Embodiment of the present invention also provides a kind of camera head, and it comprises the dual camera module 10 of above-mentioned arbitrary execution mode.
So, because voice coil motor 16 is integral type structure, can carry simultaneously and hold two lens units 14, thus ensure that two lens unit 14 central shafts are parallel to each other, assembling precisely, improves yield, improves procedure for producing ability.
Particularly, camera head can for digital camera, digital camera, mobile phone, panel computer, monitor or other there is the electronic installation of camera function.
In the description of this specification, specific features, structure, material or feature that the description of reference term " execution mode ", " some execution modes ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with execution mode or example are contained at least one execution mode of the present invention or example.In this manual, identical execution mode or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more execution mode or example.
Although illustrate and describe embodiments of the present invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these execution modes when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a dual camera module, is characterized in that, comprising:
Circuit board;
Two lens units; And
Be located at the integral type voice coil motor on described circuit board, described voice coil motor comprises the single-motor pedestal be located on described circuit board, and described two lens units are arranged on described motor base, and described two lens unit central shafts are parallel to each other.
2. dual camera module according to claim 1, is characterized in that, each described lens unit comprises lens barrel and is located at the lens set in described lens barrel.
3. dual camera module according to claim 2, it is characterized in that, described voice coil motor comprises the camera lens carrier of integral type, described camera lens carrier comprises two lens group fitted tubes and connects the connecting portion of described two lens group fitted tubes, and each described lens unit is fixed in corresponding lens group fitted tube;
Described motor base offers two host cavities running through described motor base, and each described host cavity holds described lens group fitted tube.
4. dual camera module according to claim 3, it is characterized in that, the second elastic component that described voice coil motor comprises the first elastic component on the first surface being arranged at described two lens group fitted tubes and is located on the second surface of described two lens group fitted tubes, this first surface and the opposing setting of this second surface;
Described first elastic component comprises two the first leaf springs, and one end of described two lens group fitted tubes is stuck on described two the first leaf springs respectively;
Described second elastic component comprises two the second leaf springs, and the other end of described two lens group fitted tubes is stuck on described two the second leaf springs respectively;
Described first elastic component and described second elastic component are integrated formed structure.
5. dual camera module according to claim 4, it is characterized in that, described voice coil motor comprises two groups of coils of the outer peripheral face being around in described two lens group fitted tubes respectively, one end of described coil is electrically connected with described first elastic component, the other end of described coil is electrically connected with described second elastic component, and described first elastic component and described second elastic component are electrically connected with power positive cathode respectively by described circuit board.
6. dual camera module according to claim 5, it is characterized in that, described voice coil motor comprises shell, and described shell comprises four sidewalls and a roof, described roof offers two circular holes, and described two lens units are assemblied in described shell by described two circular holes.
7. dual camera module according to claim 6, it is characterized in that, described voice coil motor comprises multiple first magnetic part and multiple second magnetic part, described multiple first magnetic part is located at four corners of described shell, described multiple second magnetic part is located between described two lens group fitted tubes, and is individually fixed in the inner surface of two relative sidewalls of described shell; Described multiple first magnetic part is all relative with described coil with described multiple second magnetic part.
8. dual camera module according to claim 7, is characterized in that, described dual camera module also comprises the base be located on described circuit board and two filters being contained in described base, described base between described motor base and described circuit board,
Described base comprises installed surface and the bottom surface opposing with described installed surface, described installed surface is towards described motor base, described base offers the first through hole and the second through hole that run through described installed surface and described bottom surface, on the inwall of described first through hole with the inwall top edge of described second through hole respectively to being recessed to form plummer outward, described plummer carries described filter.
9. dual camera module according to claim 8, it is characterized in that, described dual camera module also comprises two image sensing chips be electrically connected with described circuit board, and described two image sensing chips are contained in described first through hole and described second through hole respectively.
10. a camera head, is characterized in that, comprises the dual camera module described in claim 1 ~ 9 any one.
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| CN201510431055.2A CN105187695A (en) | 2015-07-21 | 2015-07-21 | Dual-camera module set and image pickup device |
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| CN201510431055.2A CN105187695A (en) | 2015-07-21 | 2015-07-21 | Dual-camera module set and image pickup device |
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Application publication date: 20151223 |