CN208079225U - Focusing stabilization camera module and its wiring board mechanism - Google Patents
Focusing stabilization camera module and its wiring board mechanism Download PDFInfo
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- CN208079225U CN208079225U CN201820348121.9U CN201820348121U CN208079225U CN 208079225 U CN208079225 U CN 208079225U CN 201820348121 U CN201820348121 U CN 201820348121U CN 208079225 U CN208079225 U CN 208079225U
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- focusing
- wiring board
- stabilization
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- shrapnel
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Abstract
The utility model is related to a kind of focusing stabilization camera module and its wiring board mechanisms.The wiring board mechanism of the focusing stabilization camera module, it include the wiring board ontology of the sensitive chip for carrying focusing stabilization camera module, wiring board ontology includes opposite first surface and second surface, first surface is used to carry the sensitive chip of camera module, wiring board mechanism further includes the Hall sensor being set on second surface, and Hall sensor is used to detect the displacement of the magnetite of focusing stabilization camera module.In above-mentioned camera module, Hall sensor is set on the second surface of wiring board ontology, also Hall sensor is moved to out of focusing stabilization component outside focusing stabilization component, to avoid the height-limited height in Hall sensor of wiring board mechanism, and then lightening focusing stabilization component can be obtained.
Description
Technical field
The utility model is related to camera technology fields, more particularly to a kind of focusing stabilization camera module and its circuit trigger
Structure.
Background technology
The mobile terminals such as smart mobile phone, tablet usually have camera module.Camera module generally includes wiring board, photosensitive core
Piece, holder, optical filter, focusing stabilization component and camera lens.Sensitive chip and holder are set on wiring board.Holder is opened for both ends
The hollow structure of mouth, sensitive chip are closed in holder.Optical filter is set in holder, and is arranged with sensitive chip face interval.
Stabilization component of focusing is set on the one end of holder far from wiring board, and camera lens is set on focusing stabilization component, constitutes camera module
Lens assembly, focusing stabilization component includes Focusing mechanism and stabilization mechanism.
Wherein, Focusing mechanism includes for installing the carrier of camera lens, the upper shrapnel for being respectively arranged on carrier both ends and lower shrapnel
(upper shrapnel and lower shrapnel respectively with the both ends elastic connection of carrier), the focusing coil being around on carrier outer wall are carried for accommodating
Body, upper shrapnel, lower shrapnel and focusing coil clamshell, the magnetite with focusing coil face is provided in clamshell, and substrate is set to clamshell
Close to one end of lower shrapnel, substrate constitutes the shell of Focusing mechanism with clamshell.After coil of focusing is powered, focusing coil generates
The magnetic field interaction in magnetic field and magnetite itself so that carrier drives camera lens to be moved back and forth along the optical axis direction of camera lens, to
Realize focusing.It focuses after coil blackout, carrier returns to initial position under the elastic force effect of upper and lower shrapnel.
Stabilization mechanism includes circuit board, stabilization coil and suspension, and circuit board is located in clamshell, and on substrate, and with
The circuit board electrical connection of camera module, stabilization coil are set to upper circuit board, and suspension one end is connect with circuit board, the other end and upper bullet
Piece connects, so that carrier is suspended in clamshell, and focusing coil is made to pass sequentially through shrapnel, suspension and circuit board and line
Road plate connection.When the gyroscope on wiring board senses shake, for installing the carrier of camera lens in the plane perpendicular to optical axis
Interior generation minute movement, at this point, the driving chip control stabilization coil on circuit board is powered, the magnetic field and magnetic that stabilization coil generates
The magnetic field interaction of stone itself so that carrier does opposite displacement in the plane perpendicular to optical axis, with compensation shake offset
Amount, to obtain the photo of high quality.After stabilization coil blackout, suspension drives carrier recovery to initial position.
The focusing stabilization component of traditional camera module is built-in with circuit board mechanism, circuit board mechanism include circuit board and
Hall sensor on circuit board and stabilization coil, in order to reduce the space that circuit board mechanism occupies focusing stabilization component,
To obtain lightening focusing stabilization component, the smaller circuit board of generally use thickness, but it is constrained to the height of Hall sensor
Degree, the height in the region equipped with Hall sensor of circuit board mechanism are more than or equal to the height of Hall sensor, this results in electricity
The space that road trigger structure occupies focusing stabilization component is larger, is unfavorable for obtaining lightening focusing stabilization component.
Utility model content
Based on this, it is necessary to provide a kind of lightening focusing stabilization camera module and its wiring board mechanism.
A kind of wiring board mechanism of focusing stabilization camera module, includes the photosensitive core for carrying focusing stabilization camera module
The wiring board ontology of piece, the wiring board ontology include opposite first surface and second surface, and the first surface is for holding
The sensitive chip of the camera module is carried, the wiring board mechanism further includes the Hall sensor being set on the second surface,
The Hall sensor is used to detect the displacement of the magnetite of focusing stabilization camera module.
The focusing stabilization component of traditional camera module is built-in with circuit board mechanism, circuit board mechanism include circuit board and
Hall sensor on circuit board and stabilization coil, in order to reduce the space that circuit board mechanism occupies focusing stabilization component,
To obtain lightening focusing stabilization component, the smaller circuit board of generally use thickness, but it is constrained to the height of Hall sensor
Degree, the height in the region equipped with Hall sensor of circuit board mechanism are more than or equal to the height of Hall sensor, this results in electricity
The space that road trigger structure occupies focusing stabilization component is larger, is unfavorable for obtaining lightening focusing stabilization component.In order to solve electricity
Road trigger structure occupies the larger problem of focusing stabilization component feature space, and in above-mentioned camera module, Hall sensor is set to circuit
On the second surface of plate ontology, also Hall sensor is moved to out of focusing stabilization component outside focusing stabilization component, to
The height-limited height in Hall sensor of wiring board mechanism is avoided, and then lightening focusing stabilization component can be obtained.
The second surface offers mounting groove in one of the embodiments, and the Hall sensor is set to the peace
In tankage.Since wiring board ontology needs to carry sensitive chip and lens assembly, the thickness of wiring board ontology is relatively large, to
At least partly structure of Hall sensor can be contained in wiring board ontology, in a manner of usually slotting to reduce circuit
Trigger structure is equipped with the height in the region of Hall sensor, and then can reduce the height of whole camera module.
End face of the Hall sensor far from the first surface and the second surface in one of the embodiments,
It flushes.Namely Hall sensor is contained in completely in wiring board ontology, is equipped with suddenly so as to further decrease wiring board mechanism
The height in the region of your sensor.
The wiring board mechanism further includes the gyroscope being set on the first surface and drive in one of the embodiments,
Dynamic chip, the gyroscope are used to sense the shake of the focusing stabilization camera module, when the gyroscope sense it is described right
When burnt stabilization camera module shake, the stabilization coil that the driving chip controls the focusing stabilization camera module is powered.Gyro
Instrument be used for sense focus stabilization camera module the plane (X/Y plane) perpendicular to optical axis direction displacement (amount of jitter), namely
The magnetite in focusing stabilization module for sensing focusing stabilization camera module is in the plane (X/Y plane) perpendicular to optical axis direction
Displacement (amount of jitter) and compensate shake at this point, when the stabilization coil of driving chip control focusing stabilization camera module is powered
After offset, it is inclined to examine compensation to shake that the displacement of the magnetite in focusing stabilization module can be sensed by Hall sensor
Whether shifting amount is accurate.
The wiring board mechanism further includes the connection set on wiring board ontology one end in one of the embodiments,
Device, the gyroscope and the driving chip are located at the described one end of wiring board ontology far from the connector, and the Hall passes
Sensor is between the connector and the gyroscope.In this way, can make wiring board mechanism more reasonable structure, it is more compact.
The Hall sensor is located at the orthographic projection on the first surface and is located at the sense in one of the embodiments,
The periphery of optical chip, the sensitive chip are square, and the number of the Hall sensor is two, two Hall sensors
Two adjacent sides respectively with the sensitive chip are corresponding.In this way, can make wiring board mechanism more reasonable structure, tightlier
It gathers.
A kind of focusing stabilization camera module, including：
The wiring board mechanism of above-mentioned focusing stabilization camera module；
Sensitive chip is set on the wiring board ontology；And
Lens assembly, including focusing stabilization component and the camera lens on the focusing stabilization component；
Wherein, the focusing stabilization component includes carrier, focusing coil, magnetite, lower shrapnel, upper shrapnel, clamshell and hangs
Silk, the camera lens be set to the carrier on, the focusing coil is around on the outer wall of the carrier, the upper shrapnel and it is described under
The inner ring of shrapnel is respectively with the upper and lower ends elastic connection of the carrier, and the upper shrapnel is electrically connected with the focusing coil,
The clamshell is set on the wiring board ontology, and the sensitive chip is located in the clamshell, the carrier, described to focal line
Circle, the upper shrapnel and the lower shrapnel are contained in the clamshell, and the magnetite is set in the clamshell, and with it is described right
Focal line circle face is arranged, and described suspension one end is electrically connected with the wiring board ontology, and the other end is electrically connected with the upper shrapnel, from
And so that the carrier is suspended in the clamshell, and the focusing coil is made to pass sequentially through the upper shrapnel and the suspension
It is electrically connected with the wiring board ontology.
The upper shrapnel includes spaced half shrapnel of two panels in one of the embodiments, half shrapnel described in two panels
Surround a light hole jointly, the camera lens is arranged on the light hole, wherein each half shrapnel and two it is described outstanding
Silk connection.Upper shrapnel includes spaced half shrapnel of two panels namely upper shrapnel is disrupted configuration, in this way, can be to avoid upper bullet
There is a phenomenon where fracture damages due to generating larger stress for piece.
Half shrapnel includes interior segmental arc, outer arc segments and two interconnecting pieces in one of the embodiments, described in two
Interconnecting piece is connect with one end of the interior segmental arc and the outer arc segments respectively, free end and the outer arc segments of the interior segmental arc
Free end connects；Four interconnecting pieces of two half shrapnels constitute four corners of the upper shrapnel, each company
Socket part is connect with a suspension wire.In this way, can so that camera module is integrally lightening.
The focusing stabilization component further includes stabilization frame in one of the embodiments, and the stabilization frame is set to institute
State in clamshell, the carrier and the focusing coil are set in the stabilization frame, the upper shrapnel and the lower shrapnel it is outer
Circle is connect with the upper and lower ends of the stabilization frame respectively, and the magnetite is set on the inner wall of the stabilization frame, the stabilization
Through-hole, the through-hole and the magnetite face are offered on the side wall of frame, and the magnetite is exposed from the through-hole.If
It sets stabilization frame group of being more convenient for and loads onto shrapnel and lower shrapnel, and offer through-hole on the side wall of stabilization frame, more conducively magnetite
The magnetic field interaction that magnetic field generates after being powered with stabilization coil, and the weight of stabilization frame is advantageously reduced, it is light to obtain
The Focusing mechanism of thinning.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram for the camera module that one embodiment of the utility model provides；
Fig. 2 is the exploded view of camera module shown in FIG. 1；
Fig. 3 is the schematic rear view of camera module shown in FIG. 1；
Fig. 4 is the structural schematic diagram of wiring board mechanism shown in FIG. 1；
Fig. 5 is the exploded view of lens assembly shown in FIG. 1；
Fig. 6 is the structural schematic diagram of carrier shown in fig. 5；
Fig. 7 is the schematic rear view of carrier shown in fig. 6；
Fig. 8 is the structural schematic diagram of stabilization frame shown in fig. 5；
Fig. 9 is the schematic rear view of stabilization frame shown in Fig. 8；
Figure 10 is the structural schematic diagram of upper shrapnel shown in fig. 5；
Figure 11 is the structural schematic diagram of lower shrapnel shown in fig. 5.
Specific implementation mode
Below in conjunction with the accompanying drawings and camera module is further described in specific embodiment.
As shown in Figures 1 and 2, the camera module 10 that one embodiment of the utility model provides, the camera module 10 are applied to
The mobile terminals such as smart mobile phone, tablet.Specifically, camera module 10 provided in this embodiment is integral type camera module.
Camera module 10 includes wiring board mechanism 100, sensitive chip 200, optical filter 300 and lens assembly 20.Circuit
Trigger structure 100 is for carrying sensitive chip 200, optical filter 300 and lens assembly 20.Sensitive chip 200 is set to circuit trigger
On structure 100, the shell of lens assembly 20 includes clamshell 470, and clamshell 470 is directly arranged on wiring board mechanism 100, sensitive chip
200 and optical filter 300 be respectively positioned in clamshell 470, wherein optical filter 300 is connect with clamshell 470, and with 200 face of sensitive chip
Interval setting.
Holder can be arranged in traditional camera module between assist side mechanism and lens assembly, optical filter is set in holder,
Lens assembly is set on end face of the holder far from wiring board mechanism.And in the present embodiment, the clamshell 470 of lens assembly 20 is straight
It connects and is set on wiring board mechanism 100, and sensitive chip 200 and optical filter 300 are respectively positioned in clamshell 470, so as to
The holder of traditional camera module is omitted, and then obtains lightening integral type camera module 10,10 phase of integral type camera module
There is preferable stress intensity for traditional split type camera module.
Further, in the present embodiment, the shell of lens assembly 20 further includes substrate 480, and substrate 480 is set to clamshell 470
Close to one end of wiring board mechanism 100, optical filter 300 is set on surface of the substrate 480 far from wiring board mechanism 100.In this way, non-
Often convenient for assembling optical filter.It is appreciated that in other embodiments, when omitting substrate 480, can so that optical filter 300 is straight
It connects and is connect with the inner wall of clamshell 470.
Further, in the present embodiment, clamshell 470 is convexly equipped with connecting pin 472, line close to one end of wiring board mechanism 100
Registration holes 1122 corresponding with connecting pin 472 are offered on the first surface 112 of road trigger structure 100, connecting pin 472 inserts in contraposition
In hole 1122.In this way, being highly convenient for 100 over-assemble clamshell 470 of assist side mechanism.
Further, in the present embodiment, connecting pin 472 is fixedly connected with the inner wall of registration holes 1122.In this way, can make
Clamshell 470 is securely connect with wiring board mechanism 100.Further, in the present embodiment, the inner wall and connecting pin of registration holes 1122
Conductive adhesive layer (not shown) is equipped between 472.In this way, conductive bumps can be formed to avoid the surface of assist side mechanism 100, keep away
Exempt from the inner space that conductive bumps occupy clamshell 470.Specifically, in the present embodiment, also in clamshell 470 and wiring board mechanism
Adhesive layer is set between 100, so that clamshell 470 and the connection of wiring board mechanism 100 are more secured.
Lens assembly 20 can be tight shot device, or auto-focusing lens device, or focusing is anti-
Tremble lens assembly.Specifically, in the present embodiment, lens assembly 20 includes no wiring board focusing stabilization component 22 and is set to nothing
The camera lens 24 that wiring board is focused in stabilization component 22.The shell of lens assembly 20 is also wireless road plate focusing stabilization component 22
Shell.
The lens assembly of traditional camera module is arranged on the holder of carrying optical filter, the needs focused in stabilization component
Conductive element is connected by the circuit board for stabilization component internal of focusing with external wiring board mechanism, the ground wire of circuit board
It is connect with the ground wire of wiring board mechanism, and the shell of the lens assembly of traditional camera module will not be usually grounded, and cause to take the photograph
As module cannot shield extraneous electromagnetic interference well.
To solve the above problems, in the present embodiment, clamshell 470 is conductive clamshell, connecting pin 472 is conductive pin, even
Pin 472 is electrically connected with wiring board mechanism 100.Clamshell 470 is grounded by connecting pin 472, so that camera module 10
Extraneous electromagnetic interference can be shielded well, and then with preferably focusing and stabilization effect.Specifically, in the present embodiment,
Clamshell 470 is can, and the number of connecting pin 472 is two.
It should be noted that mentioned in the present embodiment, it is grounded come the method for electromagnetism interference, not only by clamshell 470
Focusing on stabilization component 22 without wiring board in the present embodiment is can be applied to, traditional tight shot can also be applied to and filled
It sets, on auto-focusing lens device and focusing stabilization lens assembly equipped with wiring board.
Wiring board mechanism 100 is described in detail below and without wiring board focusing stabilization component 22, sensitive chip 200 and nothing
Wiring board focusing stabilization component 22 is electrically connected by wiring board mechanism 100 with the mainboard of mobile terminal.
As shown in Figures 3 and 4, wiring board mechanism 100 includes wiring board ontology 110, Hall sensor 120, stabilization coil
130, gyroscope 140, driving chip 150 and connector 160.
Wiring board ontology 110 includes opposite first surface 112 and second surface 114.First surface 112 is for carrying
Sensitive chip 200.
Hall sensor 120 is set on second surface 114, the displacement of the magnetite 440 for detecting camera module 10.It passes
The focusing stabilization component of the camera module of system is built-in with circuit board mechanism, and circuit board mechanism includes circuit board and is set to circuit board
On Hall sensor and stabilization coil, in order to reduce circuit board mechanism occupy focusing stabilization component space, it is frivolous to obtain
The focusing stabilization component of change, the smaller circuit board of generally use thickness, but it is constrained to the height of Hall sensor, circuit board ma
The height in the region equipped with Hall sensor of structure is more than or equal to the height of Hall sensor, this results in circuit board mechanism to occupy
The space of focusing stabilization component is larger, is unfavorable for obtaining lightening focusing stabilization component.It is occupied to solve circuit board mechanism
It focuses the larger problem of stabilization component feature space, in the present embodiment, Hall sensor 120 is set to the of wiring board ontology 110
On two surfaces 114, also Hall sensor 120 is moved to out of focusing stabilization component outside focusing stabilization component, to avoid
The height-limited height in Hall sensor 120 of wiring board mechanism 100, and then lightening no wiring board focusing can be obtained
Stabilization component 22.
Specifically, in the present embodiment, second surface 114 offers mounting groove (not shown), and Hall sensor 120 is set to
In mounting groove.Since wiring board ontology 110 needs to carry sensitive chip 200, optical filter 300, Focusing mechanism 400 and stabilization mechanism
500, the thickness of wiring board ontology 110 is relatively large, so as to the mode usually slotted, at least by Hall sensor 120
Part-structure is contained in wiring board ontology 110, to reduce region of the wiring board mechanism 100 equipped with Hall sensor 120
Highly, and then the height of whole camera module 10 can be reduced.
More specifically, in the present embodiment, end face of the Hall sensor 120 far from first surface 112 and second surface 114
It flushes namely Hall sensor 120 is contained in completely in wiring board ontology 110, so as to further decrease wiring board mechanism
100 are equipped with the height in the region of Hall sensor 120.In other embodiments, Hall sensor 120 is far from first surface 112
One end can also be convexly equipped on second surface 114, at this point it is possible to setting evacuation Hall sensor 120 on mobile terminals
Escape groove avoids the Hall sensor 120 of protrusion from influencing the whole height for the camera module being assembled on mobile terminal.
In the present embodiment, Hall sensor 120 is arranged with 130 face of stabilization coil.Specifically, in the present embodiment,
First surface 112 includes the chip mounting area (not shown) for carrying sensitive chip 200, and stabilization coil 130 is located at first
The periphery of orthographic projection chip mounting area on surface 112, correspondingly, Hall sensor 120 are located on first surface 112 just
Periphery of the projection positioned at chip mounting area.
Stabilization coil 130 is set on first surface 112, the magnetic field that stabilization coil 130 generates after being powered, and is used for and camera shooting mould
The magnetic field interaction of the magnetite 440 of group 10 so that the lens assembly 20 of camera module 10 is in the plane perpendicular to optical axis (Z axis)
Opposite displacement is inside done, to compensate shake offset.The focusing stabilization component of traditional camera module is built-in with circuit board mechanism,
Circuit board mechanism includes circuit board and the Hall sensor on circuit board and stabilization coil, built-in circuit board mechanism meeting
The space for occupying focusing stabilization component, is unfavorable for obtaining lightening focusing stabilization component.To solve the above-mentioned problems, in this reality
It applies in example, Hall sensor 120 and stabilization coil 130 is set on the different surfaces of wiring board ontology 110, so as to omit
The circuit board being built in traditional focusing stabilization component obtains lightening no wiring board focusing stabilization component 22.
Specifically, in the present embodiment, the number of stabilization coil 130 is multiple, and multiple stabilization coils 130 are pacified around chip
Fill region setting.More specifically, in the present embodiment, sensitive chip 200 is square, correspondingly, chip mounting area is also in side
The number of shape, stabilization coil 130 is four, and four stabilization coils 130 are corresponding with the four edges line of chip mounting area respectively to be set
Set, the number of Hall sensor 120 is two, two Hall sensors 120 respectively with two adjacent 130 faces of stabilization coil
Setting.
Further, in the present embodiment, Hall sensor 120 and stabilization coil 130 directly use SMT (surface-assembled skills
Art, Surface Mount Technology) on technique setting assist side ontology 110.So, it is possible to reduce welding.
Gyroscope 140 and driving chip 150 are set on first surface 112, and gyroscope 140 is for sensing camera module 10
Shake, when gyroscope 140, which senses camera module 10, to be shaken, driving chip 150 controls stabilization coil 130 and is powered.At this
In embodiment, gyroscope 140 is used to sense displacement (shake of the camera lens 24 in the plane (X/Y plane) perpendicular to optical axis direction
Amount), namely for sense magnetite 440 the plane (X/Y plane) perpendicular to optical axis direction displacement (amount of jitter), at this point, working as
Driving chip 150 controls stabilization coil 130 and is powered, and after compensating shake offset, can be sensed by Hall sensor 120
Whether the displacement of magnetite 440 is accurate to examine compensation shake offset.It is appreciated that in other embodiments, gyroscope 140
It can be omitted.
Specifically, in the present embodiment, gyroscope 140 and driving chip 150 are located at the same end of wiring board ontology 100.
In this way, can make 100 more reasonable structure of wiring board mechanism, it is more compact.
In the present embodiment, connector 160 is set to the one end of wiring board ontology 100 far from gyroscope 140, is used for and movement
The mainboard of terminal is electrically connected.In this way, can make 100 more reasonable structure of wiring board mechanism, it is more compact.
As shown in figure 5, including Focusing mechanism 400 and stabilization mechanism 500 without wiring board focusing stabilization component 22.
Focusing mechanism 400 includes carrier 410, focusing coil 420, stabilization frame 430, magnetite 440, lower shrapnel 450, upper bullet
Piece 460, clamshell 470 and substrate 480.Carrier 410 is around in the outer wall of carrier 410 for installing camera lens 24, focusing coil 420
On, and focusing coil 420 and carrier 410 are contained in stabilization frame 430, magnetite 440 is set in stabilization frame 430, and is located at
Between stabilization frame 430 and carrier 410, and it is arranged respectively with focusing coil 420 and 130 face of stabilization coil.Upper shrapnel 460 with
The outer ring of lower shrapnel 450 is connect with the upper and lower ends of stabilization frame 430 respectively, and upper shrapnel 460 is distinguished with lower 450 inner ring of shrapnel
With the upper and lower ends elastic connection of carrier 410, and upper shrapnel 460 with focusing coil 420 be electrically connected.Stabilization frame 430, upper shrapnel
460 and lower shrapnel 450 be contained in clamshell 470.Substrate 480 is set to clamshell 470 close to one end of lower shrapnel 450.Substrate 480
The shell of lens assembly 20 is constituted with focusing clamshell 470.
In the present embodiment, the group of being more convenient for of setting stabilization frame 430 loads onto shrapnel 460 and lower shrapnel 450.It is appreciated that
In other embodiments, stabilization frame 430 can be omitted, at this point, carrier 410, focusing coil 420, upper shrapnel 460 and lower shrapnel
450 are contained in clamshell 470, and magnetite 440 is set in clamshell 470.
Further, as shown in FIG. 6 and 7, in the present embodiment, carrier 410 include cylinder 412, lower ring plate 414 and on
Ring flat-plate 416.Cylinder 412 is for installing camera lens 24.Lower ring plate 414 and upper ring plate 416 are set on cylinder 412, and lower ring plate 414
And upper ring plate 416 cooperatively forms card slot 418, focusing coil 420 is set in card slot 418.Specifically, in the present embodiment, lower ring
Plate 414 is set on the lower face of cylinder 412, and upper ring plate 416 is sheathed on cylinder 412.It is provided on the upper surface of cylinder 412 convex
Play 4122.
Further, in the present embodiment, the lower face of carrier 410 is provided with lower positioning column 411 and is located at lower positioning column
First limited post 413 of 411 both sides.The upper surface of carrier 410 is provided with conductive column 415 and upper positioning column 417, conductive column 415
It is electrically connected with focusing coil 420.Specifically, in the present embodiment, carrier 410 further includes mounting blocks 419, and mounting blocks 419 are set to
On surface of the upper ring plate 416 far from lower ring plate 414, and the end face of mounting blocks 419 is flushed with the upper surface of cylinder 412, conductive column
415 and upper positioning column 417 be set to mounting blocks 419 upper surface on.More specifically, in the present embodiment, the number of mounting blocks 419
To be multiple, the setting of the interval of multiple mounting blocks 419, protrusion 4122 is between two neighboring mounting blocks 419, and part mounting blocks
It is provided with conductive column 415 or upper positioning column 417 on 419, conductive column 415 and upper positioning column are not provided on part mounting blocks 419
417。
As can be seen from figures 8 and 9, magnetite 440 is set on the inner wall of stabilization frame 430, is opened up on the side wall of stabilization frame 430
There are through-hole 432, through-hole 432 and 440 face of magnetite, and magnetite 440 is exposed from through-hole 432.On the side wall of stabilization frame 430
Offer through-hole 432, the magnetic field interaction that more conducively magnetic field of magnetite 440 generates after being powered with stabilization coil 130, Er Qieyou
Conducive to the weight of stabilization frame 430 is reduced, to obtain lightening Focusing mechanism 400.Specifically, in the present embodiment, stabilization
Frame 430 is square, and the number of magnetite 440 is four, and four magnetites 440 are respectively arranged on four side walls of stabilization frame 430,
And four magnetites 440 are arranged with four 130 faces of stabilization coil respectively.
The lower face of stabilization frame 430 is equipped with the first positioning column 434, and the upper surface of stabilization frame 430 is equipped with second and determines
Position column 436 and the second limited post 438 positioned at 436 both sides of the second positioning column.Specifically, in the present embodiment, stabilization frame
430 include the framework 431 of both ends open and the annular slab 433 set on 431 upper end of framework, the limit of the second positioning column 436 and second
Column 438 is set on the upper surface of annular slab 433.The inner wall of annular slab 433 invaginates to form limiting slot corresponding with mounting blocks 419
4332, mounting blocks 419 are stuck in limiting slot 4332.In this way, carrier 410 can be made to be stably connected with stabilization frame 430.
As shown in Figure 10, lower shrapnel 450 includes inner ring 452, outer ring 454 and connection inner ring 452 and the cantilever of outer ring 454
456.The inner ring 452 of lower shrapnel 450 offers lower positioning through hole 4522 corresponding with lower positioning column 411, and lower positioning column 411 is worn
In on lower positioning through hole 4522, the first limited post 413 is between inner ring 452 and cantilever 456.It opens the outer ring 454 of lower shrapnel 450
Equipped with first positioning through hole corresponding with the first positioning column 434 4542, the first positioning column 434 is arranged in the first positioning through hole 4542
On.
As shown in figure 11, upper shrapnel 460 offers conductive through hole 462 corresponding with conductive column 415 and upper positioning column 417
Corresponding upper positioning through hole 464, second positioning through hole 466 corresponding with the second positioning column 436, and with the second limited post 438
Corresponding second limiting through hole 468, conductive column 415 are arranged on conductive through hole 462, and it is logical that upper positioning column 417 is arranged in positioning
On hole 464, the second positioning column 436 is arranged on the second positioning through hole 466, and the second limited post 438 is arranged in the second limiting through hole
On 468.
Further, in the present embodiment, upper shrapnel 460 includes the spaced half shrapnel 460a of two panels, half shrapnel of two panels
460a surrounds a light hole (figure is not marked) jointly, and camera lens 24 is arranged on light hole.In this way, can to avoid upper shrapnel 460 because
It generates larger stress and fracture damage phenomenon occurs.Half shrapnel 460a includes interior segmental arc 461, outer arc segments 463 and two companies
Socket part 465, two interconnecting pieces 465 are connect with one end of interior segmental arc 461 and outer arc segments 463 respectively, the free end of interior segmental arc 461 with
The free end of outer arc segments 463 connects, and interior segmental arc 461 is abutted with the protrusion 4122 of carrier 410.Wherein, conductive through hole 462 and on
Positioning through hole 464 is opened in interior segmental arc 461, and the second positioning through hole 466 and the second limiting through hole 468 are opened in interconnecting piece 465
On.
Further, in the present embodiment, four interconnecting pieces 465 of two and half shrapnel 460a constitute four of upper shrapnel 460
Corner.In this way, under the premise of the inner ring for meeting upper shrapnel 460 is connect with carrier 410 and stabilization frame 430 respectively with outer ring,
It can so that camera module 10 is whole lightening.Specifically, in the present embodiment, upper shrapnel 460 is substantially square.
It should be noted that in the permanent-magnetic field of magnetite 440, it, can by changing the size of current in stabilization coil 130
To control the stroke of lower shrapnel 450 and upper shrapnel 460, focusing is completed to drive camera lens 24 to be moved back and forth along optical axis direction
Function.
As shown in figures 2 and 5, stabilization mechanism 500 includes suspension 510, and suspension 510 is arranged in substrate 480 and lower shrapnel 450
On, and 510 one end of suspension, for being electrically connected with wiring board ontology 110, the other end is electrically connected with upper shrapnel 460, so that anti-
It trembles frame 430 to be suspended in clamshell 470, and focusing coil 420 is made to pass sequentially through shrapnel 460 and suspension 510 and wiring board
Ontology 110 is electrically connected.
Specifically, in the present embodiment, substrate 480, lower shrapnel 450 invaginate respectively with stabilization frame 430 forms notch, with
Evacuation suspension 510 namely suspension 510 are not contacted with substrate 480, lower shrapnel 450 with stabilization frame 430.510 one end of suspension is worn
In on the interconnecting piece 465 of upper shrapnel 460, and it is electrically connected with interconnecting piece 465.The interconnecting piece of the number of suspension 510 and upper shrapnel 460
465 number is identical.
Further, in the present embodiment, connecting hole 1124, suspension are offered on the first surface 112 of wiring board ontology 110
510 one end far from upper shrapnel 460 insert in connecting hole 1124, and are electrically connected with wiring board ontology 110.Open up connecting hole
1124, it is not only convenient for electrical connection suspension 510 and wiring board ontology 110, but also convenient for positioning assembling on assist side ontology 110
Suspension 510.
Further, in the present embodiment, each half shrapnel 460a is connect with two suspensions 510.
In above-mentioned camera module 10, the clamshell 470 of lens assembly 20 is directly arranged on wiring board mechanism 100, and
Sensitive chip 200 and optical filter 300 are contained in clamshell 470, so as to omit the holder for carrying optical filter 300.
Meanwhile in above-mentioned camera module 10, conductive device will be needed in stabilization component of focusing, for example, Hall sensor 120,
Stabilization coils 130 etc. are set on wiring board mechanism 100, so as to omit the circuit board mechanism in focusing stabilization component, in turn
Obtain no wiring board focusing stabilization component 22.Namely two branch are omitted relative to traditional camera module in above-mentioned camera module 10
Frame and positioned at focusing stabilization component in circuit board mechanism, therefore above-mentioned camera module 10 have the characteristics that it is lightening.
And wiring board mechanism 100 can be manufactured by wiring board manufacturer, and focusing stabilization component 22 can be by motor manufacturer system
It makes, to which when assembling above-mentioned camera module 10, assembling yield can be greatly improved.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of wiring board mechanism of focusing stabilization camera module, includes the sensitive chip for carrying focusing stabilization camera module
Wiring board ontology, the wiring board ontology includes opposite first surface and second surface, and the first surface is for carrying
The sensitive chip of the camera module, which is characterized in that the wiring board mechanism further includes being set on the second surface suddenly
That sensor, the Hall sensor are used to detect the displacement of the magnetite of focusing stabilization camera module.
2. the wiring board mechanism of focusing stabilization camera module according to claim 1, which is characterized in that the second surface
Mounting groove is offered, the Hall sensor is set in the mounting groove.
3. the wiring board mechanism of focusing stabilization camera module according to claim 2, which is characterized in that the hall sensing
End face of the device far from the first surface is flushed with the second surface.
4. the wiring board mechanism of focusing stabilization camera module according to claim 1, which is characterized in that the circuit trigger
Structure further includes the gyroscope and driving chip being set on the first surface, and the gyroscope is taken the photograph for sensing the focusing stabilization
As the shake of module, when the gyroscope senses the focusing stabilization camera module shake, the driving chip controls institute
The stabilization coil for stating focusing stabilization camera module is powered.
5. the wiring board mechanism of focusing stabilization camera module according to claim 4, which is characterized in that the circuit trigger
Structure further includes the connector set on wiring board ontology one end, and the gyroscope and the driving chip are located at the wiring board
The one end of ontology far from the connector, the Hall sensor is between the connector and the gyroscope.
6. the wiring board mechanism of focusing stabilization camera module according to claim 1, which is characterized in that the hall sensing
Device is located at the periphery that the orthographic projection on the first surface is located at the sensitive chip, and the sensitive chip is square, it is described suddenly
The number of your sensor is two, and adjacent two sides of two Hall sensors respectively with the sensitive chip are corresponding.
7. a kind of focusing stabilization camera module, which is characterized in that including：
The wiring board mechanism of focusing stabilization camera module as described in any one of claim 1-6；
Sensitive chip is set on the wiring board ontology；And
Lens assembly, including focusing stabilization component and the camera lens on the focusing stabilization component；
Wherein, the focusing stabilization component includes carrier, focusing coil, magnetite, lower shrapnel, upper shrapnel, clamshell and suspension, institute
Camera lens is stated on the carrier, the focusing coil is around on the outer wall of the carrier, the upper shrapnel and the lower shrapnel
Inner ring respectively with the upper and lower ends elastic connection of the carrier, and the upper shrapnel is electrically connected with the focusing coil, described
Clamshell is set on the wiring board ontology, and the sensitive chip is located in the clamshell, the carrier, the focusing coil, institute
It states shrapnel and the lower shrapnel is contained in the clamshell, the magnetite is set in the clamshell, and with described to focal line
Face setting is enclosed, described suspension one end is electrically connected with the wiring board ontology, and the other end is electrically connected with the upper shrapnel, to make
It obtains the carrier to be suspended in the clamshell, and the focusing coil is made to pass sequentially through the upper shrapnel and the suspension and institute
State the electrical connection of wiring board ontology.
8. focusing stabilization camera module according to claim 7, which is characterized in that the upper shrapnel includes that two panels interval is set
Half shrapnel set, half shrapnel described in two panels surround a light hole jointly, and the camera lens is arranged on the light hole, wherein
Each half shrapnel is connect with two suspensions.
9. focusing stabilization camera module according to claim 8, which is characterized in that half shrapnel includes interior segmental arc, outer
Segmental arc and two interconnecting pieces, two interconnecting pieces are connect with one end of the interior segmental arc and the outer arc segments respectively, described
The free end of interior segmental arc is connect with the free end of the outer arc segments；
Four interconnecting pieces of two half shrapnels constitute four corners of the upper shrapnel, each interconnecting piece and one
The suspension wire connection.
10. focusing stabilization camera module according to claim 7, which is characterized in that the focusing stabilization component further includes
Stabilization frame, the stabilization frame are set in the clamshell, and the carrier and the focusing coil are set in the stabilization frame,
The outer ring of the upper shrapnel and the lower shrapnel is connect with the upper and lower ends of the stabilization frame respectively, and the magnetite is set to described
On the inner wall of stabilization frame, through-hole, the through-hole and the magnetite face are offered on the side wall of the stabilization frame, and make
The magnetite exposes from the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348121.9U CN208079225U (en) | 2018-03-14 | 2018-03-14 | Focusing stabilization camera module and its wiring board mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348121.9U CN208079225U (en) | 2018-03-14 | 2018-03-14 | Focusing stabilization camera module and its wiring board mechanism |
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| CN208079225U true CN208079225U (en) | 2018-11-09 |
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| CN201820348121.9U Expired - Fee Related CN208079225U (en) | 2018-03-14 | 2018-03-14 | Focusing stabilization camera module and its wiring board mechanism |
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