Summary of the invention
The object of the present invention is to provide a kind of pedestals for periscope type lens driving device, to solve the above-mentioned prior art
The problem of.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided it is a kind of for periscope type lens driving dress
The pedestal set, the periscope type lens driving device include shell, upper drive part, lower drive part, carrier, ball, protection
Piece and the pedestal, the upper drive part are set to above the carrier and the carrier are driven to move along the direction of optical axis
To realize that optical zoom function, the lower drive part are set to below the carrier and drive the carrier along perpendicular to institute
The direction movement of optical axis is stated to realize stabilization function, ball and protective sheet, institute are provided between the carrier and the pedestal
The four corners for stating pedestal are provided with ball mounting groove, and the ball is placed in the ball mounting groove.
In one embodiment, the pedestal four corners are provided with protrusion, and the protrusion is equipped with the ball
Mounting groove.
In one embodiment, coil installation is formed between two ball mounting grooves of described base upper surface the same side
Portion is formed with sensor magnetite installation position in the coil mounting portion.
In one embodiment, the height of the protrusion is arranged to the matched with the coil, so that when described
After coil is installed on the coil mounting portion, the upper surface of the protrusion and the coil is generally aligned in the same plane.
In one embodiment, the periscope type lens driving device further includes lower circuit board, and the base upper surface is tight
The position of the adjacent coil mounting portion is additionally provided with the lower circuit board positioning convex platform for positioning the lower circuit board.
In one embodiment, the periscope type lens driving device further includes pedestal embedded metal piece, in the pedestal
Engaged column piece is set on the pedestal, and the four corners of the pedestal embedded metal piece are equipped with convex sheet, the ball installation
The shape and size of slot are matched with the shape and size of the convex sheet, so that described in being installed on when the pedestal embedded metal piece
After on pedestal, the convex sheet is contained in the ball mounting groove.
In one embodiment, the carrier includes integrally formed camera lens bearing part and is located at the camera lens supporting part
Divide the first side and the second side of two sides, the middle part of the pedestal forms camera lens supporting part mounting portion, the camera lens supporting part
Installation position extends between two coil mounting portions and along optical axis direction.
In one embodiment, the bottom of the camera lens supporting part mounting portion is equipped with ventilation hole.
In one embodiment, multiple injecting holes are additionally provided on the pedestal.
In one embodiment, the upper drive part includes upper circuit board, and the upper circuit board is equipped with from one side edge
The side extended downwardly, the side of the pedestal are equipped with the evacuation groove with the lateral engagement of the upper circuit board.
The pedestal for periscope type lens driving device of the application is integrated to the use of periscope type lens driving device, so that
Periscope type lens driving device be supported by the way of ball combinative prevention sheet metal with it is structure-reinforced, structure is simple, subtracts
Required components are lacked, while reliability is greatly enhanced.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments
To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details
One or more details the case where get off to practice embodiment.Under other circumstances, well known device associated with this application,
Structure and technology may not be illustrated in detail or describe to avoid unnecessarily obscuring the description of embodiment.
Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification
Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one
In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature
It can combine in any way in one or more embodiments.
In the following description, structure and working method of the invention in order to clearly demonstrate, will be by many Directional words
It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower"
Language understands for convenience of term, and is not construed as word of limitation.
Present invention relates in general to Periscopic lens structures.Periscopic lens structure is carried out briefly referring to Fig. 1
It is bright.
Fig. 1 is the structural schematic diagram of periscope type lens driving structure.As shown in Figure 1, Periscopic lens structure generally includes
Two parts, i.e., it is latent to hope part 100 and component prism 200.Wherein component prism 200 is set to the latent front end for hoping part 100,
In the latent rear end for hoping part 100, imager chip 300 is set.Light is reflected into latent prestige part 100 by component prism 200, dives
Hoping that part 100 includes the part AF and the part OIS, AF is responsible for part carrying out optical zoom function, and OIS is responsible for stabilization function in part,
But the latent part OIS for hoping part is merely responsible for along perpendicular to the stabilization function in an axis X of optical axis Z-direction, component prism
OIS be responsible for hang down and meanwhile directly in the stabilization function in the X-axis of Z axis and Y-axis.
Each embodiment below related to is described primarily directed to latent prestige part 100.
It is latent that part 100 is hoped to be also referred to as periscope type lens driving device in the present invention, generally include shell, upper driving portion
Point, carrier, lower drive part, pedestal, ball and protective sheet.Carrier is for installing camera lens and defining along camera lens optical axis direction
Axis, upper drive part is set to above carrier and carrier driven to move to realize optical zoom along the axis direction of optical axis
Function, lower drive part are set to below carrier and carrier are driven to move to realize stabilization along the axis direction perpendicular to optical axis
Function, and be provided with ball and protective sheet between carrier and pedestal, play the role of support and carry carrier.Upper drive part,
Carrier, lower drive part, ball and protective sheet are all packaged in the space that pedestal and shell limit.
Periscope type lens driving device structure of the invention is simple, reduces required components, using roll structure
Instead of suspension structure, reliability is strengthened, and carrier groove has sheet metal, and convenient for the assembling of magnetite, magnetite is with gold
Belong to iron plate, plays the role of reinforcing magnetic field.
Periscope type lens driving device 100 of the invention is described in detail with reference to the accompanying drawings.
Fig. 2 is the periscope type lens driving device 100 (hereinafter referred lens driving apparatus 100) of one embodiment of the invention
Stereogram exploded view, as shown in Fig. 2, lens driving apparatus 100 include shell 10, upper drive part 20, carrier 30 as one kind, lower driving portion
Divide 40, pedestal 50, ball 72 and protective sheet 71.Carrier 30 as one kind is for installing camera lens (not shown) and defining along camera lens optical axis side
To axis, upper drive part 20 is set to the top of carrier 30 as one kind and carrier 30 as one kind driven to move along the axis direction of optical axis to real
Existing optical zoom function, lower drive part 40 are set to below carrier 30 as one kind and drive carrier 30 as one kind along the axis direction perpendicular to optical axis
Movement is provided with ball 72 and protective sheet 71 to realize stabilization function between carrier 30 as one kind and pedestal 50, play and support and hold
Carry the effect of carrier 30 as one kind.Upper drive part 20, carrier 30 as one kind, lower drive part 40, ball 72 and protective sheet 71 are packaged in pedestal
In 50 spaces limited with shell 10.
Fig. 3 is the stereogram exploded view of the upper drive part 20 of one embodiment of the invention.As shown in Fig. 2, upper drive part
20 include upper circuit board 21, frame 23, coil 22 and upper magnetite 24, and upper circuit board 21 is set to the top of frame 23, on
Magnetite 24 is set to the upper surface of carrier 30 as one kind, coil 22 be set to the bottom of circuit board 21 and with the cooperation of upper magnetite 24 to
Carrier 30 as one kind is driven to move realization optical zoom function along optical axis direction when coil 22 is powered.
In one embodiment, upper drive part 20 further includes upper sheet metal 25, and upper sheet metal 25 is set to magnetite 24
Lower surface, when upper magnetite 24 is installed on carrier 30 as one kind, upper sheet metal 25 is located at lower surface and the carrier 30 as one kind of upper magnetite 24
Between upper surface.When operation, electric current is applied by the coil 22 to upper circuit board 21 thus with the upper magnetite 24 on carrier 30 as one kind
Direct electromagnetic action realizes the driving to carrier 30 as one kind, and then realizes optical zoom function.And in the process, upper sheet metal 25
Play the role of reinforcing magnetic field.
Fig. 4 is the perspective view of the carrier 30 as one kind of one embodiment of the invention, and Fig. 5 is the carrier 30 as one kind of one embodiment of the invention
Bottom view.As illustrated in figures 4-5, carrier includes integrally formed camera lens bearing part 31 and positioned at 31 two sides of camera lens bearing part
First side 32 and the second side 33, camera lens supporting part 31 is interior to be equipped with the camera lens mounting hole 311 extended along optical axis direction, the first side
The upper surface of portion 32 and the second side 33 is equipped with the upper magnetite mounting groove 34 for accommodating upper magnetite 24.
With continued reference to Fig. 5, the both ends of the lower surface of the first side 32 and the second side 33 of carrier 30 as one kind are equipped with for installing
The protection sheet metal mounting groove 35 for protecting sheet metal 71 and cooperating with ball 20.The lower surface of first side 31 and the second side 33
Both ends further respectively have lower magnetite mounting portion 36, the inside of lower magnetite mounting portion close to protection sheet metal mounting groove 35 is arranged.
The lower surface of first side 32 and the second side 33 is additionally provided with sensor magnetite mounting portion 37, and sensor magnetite mounting portion 37 is arranged
Between two lower magnetite mounting portions 36 of same side.
Referring back to 2 and Fig. 4, right side edge shown in Fig. 2 of upper circuit board 21 is equipped with the side integrally extended to form downwards
26, it can for example be covered with winding displacement on the side 26, thus by upper circuit board and lower circuit board communication connection.For this purpose, carrier 30 as one kind
The lateral surface of second side 33 is equipped with the groove 38 cooperated with the side 26 of upper circuit board 21.After installation is in place, upper circuit board
21 side 26 is contained in the groove 38.
In one embodiment, the first side 32 and the second side 33 are arranged symmetrically about camera lens bearing part 31.
With continued reference to Fig. 3-4, the first side 32 and the second side 33 extend along the both ends of optical axis direction camera lens bearing part
Beyond camera lens bearing part 31, thus camera lens bearing part 31 and the first side 32 for being located at 31 two sides of camera lens bearing part and the
Two sides 33 form I-shape construction.
In one embodiment, upper drive part 20 includes two blocks of upper magnetites 24, the first side 32 and the second side 33
Upper surface is each provided on a upper magnetite mounting groove 34 and the upper magnetite mounting groove and the second side of the first side upper surface
The upper magnetite mounting groove on surface is also arranged symmetrically about camera lens bearing part 31.
In one embodiment, the four corners of the lower surface of carrier 30 as one kind distinguish one protection sheet metal mounting groove of each setting
35, close to the inside of protection sheet metal mounting groove 35, one lower magnetite mounting portion 36 is respectively set.First side 32 and the second side
A sensor magnetite mounting groove 37 is respectively arranged in the middle part of 33 lower surface, and the sensor magnetite mounting groove 37 is held about camera lens
Part 31 is carried to be arranged symmetrically.
Referring back to Fig. 3, the thickness of the camera lens bearing part 31 of carrier 30 as one kind is greater than the first side 32 and the second side 33
Thickness, so that the upper and lower surfaces of camera lens bearing part 31 are protruded up and down respectively, with upper drive part 20
Frame 23 and with pedestal 50 cooperate.
Fig. 6 is the exploded view of the lower drive part of one embodiment of the invention.As shown in fig. 6, lower drive part 40 includes
Lower circuit board 43, lower magnetite 41 and lower coil 42, lower circuit board 43 are set on pedestal 50, and lower magnetite 41 is set to carrier 30 as one kind
Bottom specially descends magnetite 41 to be set in the lower magnetite mounting groove 36 of carrier 30 as one kind.Lower coil 42 is set on pedestal 50, and with
The lower cooperation of magnetite 41 when lower coil 42 is powered to drive carrier 30 as one kind to move to realize stabilization along the direction perpendicular to optical axis
Function.
In one embodiment, lower drive part 40 further includes lower sheet metal 44, and lower sheet metal 44 is set to lower magnetite 41
Upper surface, when carrier 30 as one kind is installed on pedestal 50, lower sheet metal 44 is set to upper surface and the carrier 30 as one kind of lower magnetite 41
Between lower surface.
Referring back to Fig. 1, lens driving apparatus further includes sensor 81,82 and sensor magnetite 83, and sensor 81,82 is set
It is placed on pedestal 50 and is arranged in the space of the restriction of lower coil 42, sensor magnetite 83 is fixedly installed on the bottom of carrier 30 as one kind simultaneously
Corresponding with the position of sensor 81,82, sensor 81,82 connects simultaneously with control module (not shown, such as mobile phone control module)
The displacement of carrier 30 as one kind is detected by the displacement of detection sensor magnetite 83.It will be described in detail further below.
It referring back to Fig. 1 and combines referring to Fig. 6, lower drive part 40 includes four blocks of lower magnetites 41 and two lower coils
42, two lower coils 42 are (being hereafter described in detail further) positioned opposite in the upper surface of pedestal 50, and sensor includes the first sensing
Device 81 and second sensor 82, first sensor 81 and second sensor 82 are respectively arranged in two lower coils 42, are specifically existed
It being set in the lower coil 42 in left side in diagram for first sensor 81, second sensor is set in the lower coil 42 on right side,
Sensor magnetite 83 be then set between two magnetites 41 of the same side and respectively with first sensor 81 and second sensor 82
Corresponding, first sensor 81 and second sensor 82 detect carrier 30 as one kind in optical axis direction and perpendicular to the position on optical axis direction respectively
It moves.
When carrying out practically, first sensor 81 and control module (not shown, such as mobile phone control module) connect and with it is upper
Coil 22 is associated with, to realize that carrier 30 as one kind moves along optical axis direction and realizes optical zoom function.Second sensor 82 and control
Module (not shown, such as mobile phone control module) is connected and is associated with lower coil 42, to realize carrier 30 as one kind along perpendicular to optical axis
Direction move and realize stabilization function.
It is carried out below with reference to pedestal for periscope type lens driving device of the Fig. 7 to one embodiment of the present of invention detailed
Description.
Fig. 7 is the perspective view of the pedestal 50 of one embodiment of the invention.As shown in fig. 7, pedestal 50 has rectangular body, square
The four corners of the upper surface of shape main body are equipped with protrusion 51, and protrusion 51 is equipped with ball mounting groove 52, in each ball
One ball 72 is set inside mounting groove 52, is respectively arranged in the protective sheet mounting groove 35 in the four corners of the bottom surface of carrier 30 as one kind
One metal protection piece 71, when carrier 30 as one kind is installed on pedestal 50, metal protection piece 71 is located at the top of ball 72.
The right side of pedestal 50 shown in Fig. 7 is open, and is equipped with the evacuation of upper circuit board dogleg section 27 in right side
Groove 54.After upper circuit board 21 is installed in place, the bending part 27 of the side 26 of upper circuit board 21 is caught in evacuation groove 54.
It avoids and forms a lower coil mounting portion 53 between two protrusions 51 of the pedestal 50 of 54 side of groove, in evacuation groove
54 pair the other side two protrusions 51 between form another coil mounting portion 53.Two coils 42 are respectively arranged in two
In a coil mounting portion 53.
With continued reference to Fig. 7, sensor magnetite installation position 55 is formed at the middle part of each coil mounting portion 53.When coil 42
When being installed in coil mounting portion 53, sensor is installed on coil installation position 55, and is limited in coil 42.Pedestal 50 is also
It is equipped with lower circuit board positioning convex platform 58 in the position close to left side coil installation position 53, is used under installation when circuit board 43 under
Circuit board 43 is positioned.
Referring to Fig.1 1, the height of protrusion 51 is arranged to the matched with coil 42, when coil 42 is installed on coil peace
Behind dress portion 53, protrusion 51 and the upper surface of coil 42 are generally aligned in the same plane.
In one embodiment, protrusion 51 is rectangular projections, and the ball mounting groove 52 which is provided with also is pacified for rectangle
Tankage.The four corners of pedestal embedded metal piece 60 are equipped with convex sheet 61, the shape and size and convex sheet of ball mounting groove 52
61 shape and size matching, so that convex sheet 61 is contained in ball after pedestal embedded metal piece 60 is installed on pedestal 50
52 in mounting groove.In this way, ball 72 is located on convex sheet 61 when ball 72 to be installed in ball mounting groove 52.
The middle part of pedestal 50 forms camera lens supporting part mounting portion 56, and camera lens supporting part mounting portion 56 is located at two coil installations
Extend between portion 53 and along optical axis direction, is formed with big ventilation hole 57 in the bottom of camera lens supporting part mounting portion 56.Pedestal 50 is also
Equipped with multiple injecting holes, internal stress when for alleviating injection molding, to prevent pedestal from rupturing.
Referring back to Fig. 1, lens driving apparatus 100 further includes pedestal embedded metal piece 60, and Fig. 8 is one implementation of the present invention
The perspective view of the pedestal embedded metal piece 60 of example.As shown in figure 8, pedestal embedded metal piece 60 is set on pedestal 50.In pedestal
The four corners of embedded metal piece 60 are provided with convex sheet 61, and convex sheet 61 protrudes into the ball mounting groove 52 on pedestal 50, rolling
Pearl 72 is set in ball mounting groove 52 and is located in convex sheet 61.In this way, the bottom of ball 72 is provided with metal convex sheet 61,
The top of ball 72 is provided with metal protection piece 71.
Fig. 9 is the stereogram exploded view of the carrier of lens driving apparatus 100, lower drive part, base assembly, and Figure 10 is camera lens
The stereogram exploded view of the components such as the upper drive part of driving device 100, carrier, lower drive part, pedestal, Figure 11 is lens driving
Cross-sectional view after the assembling of device 100.
As shown in figs. 9-11, pedestal embedded metal piece 60 is installed in pedestal 50, the convex sheet 61 of pedestal embedded metal piece
It is contained in the ball mounting groove 52 of pedestal 50, lower circuit board 43 is installed on the upper surface of pedestal 50, and lower coil 42 is installed on bottom
On seat 50, first sensor 81 is installed in the lower coil 42 in diagram left side, and second sensor 82 is installed on the lower coil on right side
In 42, ball 72 is installed in ball mounting groove 52 and is arranged in the upper surface of convex sheet 61.Four blocks of lower magnetites 41 are installed on load
In lower magnetite mounting groove 36 on 30 lower surface of body, and the magnetite pieces 44 under the setting of the upper surface of lower magnetite 41, play reinforcement magnetic
The effect of field.Sensor magnetite 84 is installed in the sensor magnetite mounting groove 37 on carrier 30 as one kind lower surface, and optionally,
Sensor magnetite pieces can be set in the upper surface of sensor magnetite 84, to play the role of reinforcing magnetic field.
Metal protection piece 71 is installed in the metal protection piece mounting groove 35 on carrier 30 as one kind lower surface.Then carrier 30 as one kind is pacified
Loaded on pedestal 50, the lower magnetite 41 of two blocks of left side is located on the coil 42 in left side, and the lower magnetite 41 of two blocks of right side, which is located at, side
Lower coil 42 on, the sensor magnetite 84 in left side is located at the top of first sensor 81, and the sensor magnetite 84 on right side is located at
The top of second sensor 82.
Upper magnetite 24 is installed in the upper magnetite mounting groove 34 of carrier 30 as one kind, and is optionally lined in the lower surface of upper magnetite 24
Upper magnetite pieces 25.Upper circuit board 21 is installed on frame 23, and coil 22 is installed on the bottom of circuit board 21 and by frame 23
It limits, frame 23 and upper circuit board 21 are installed on carrier 30 as one kind.Coil 22 is located at the top of upper magnetite 24.Upper circuit board 21
Side 26 is contained in the side grooves 38 of carrier 30 as one kind.The bending part 27 of side 26 is coupled in the notch of lower circuit board 43
In 431 and it is located on pedestal 50.Each component is finally encapsulated in the sky that shell 10 and pedestal 50 limit from top to bottom by shell 10
Between in.
In one embodiment, above-mentioned periscope type lens driving device 100 can be used on mobile phone, mention for mobile phone camera
For driving.First sensor 81 and second sensor 82 all with mobile phone control module signal communication, upper circuit board 21 and coil
22 are connected to and are connected to cellular phone power supplies, and lower circuit board 43 is electrically connected with lower coil 42 and is connected to cellular phone power supplies.Wherein, it first passes
The displacement that sensor 81 is associated with coil 22 and detects carrier 30 as one kind along optical axis direction, and control module is passed it to, it controls
Molding block controls the electric current flowing in coil 22, so that carrier 30 as one kind be driven to be moved along optical axis direction, realizes optical zoom
Function.Second sensor 82 is associated with lower coil 42 and detects carrier 30 as one kind along being located at perpendicular to optical axis direction, and by the information
Control module is passed to, control module controls the electric current flowing in lower coil 42, to drive carrier along perpendicular to optical axis side
To direction move, realize stabilization function.
In the process, it since carrier 30 as one kind is installed on ball 72, and is respectively equipped in the bottom and top of ball 72
Metal protection piece 71 and convex sheet 61, to drive ball 72 to roll when carrier 30 as one kind moves, so that the motion credibility of carrier 30 as one kind
It is stronger, and structure is more compact and solid.
To sum up, the movement of the optical axis direction of the periscope type lens driving device 100 of the application and the direction vertical with optical axis
It is divided into two independent modules by upper and lower two pieces of circuit boards and carries out drive control.Simultaneously using ball combinative prevention sheet metal
Mode be supported with it is structure-reinforced, and have corresponding standalone sensor on optical axis direction and axis perpendicular to optical axis direction
Carry out detection control.Structure is simple, reduces required components.Reliability is greatly enhanced simultaneously.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that having read of the invention above-mentioned say
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this
Apply for the appended claims limited range.