CN209627084U - A kind of carrier structure and lens driving apparatus for voice coil motor - Google Patents
A kind of carrier structure and lens driving apparatus for voice coil motor Download PDFInfo
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- CN209627084U CN209627084U CN201920396515.6U CN201920396515U CN209627084U CN 209627084 U CN209627084 U CN 209627084U CN 201920396515 U CN201920396515 U CN 201920396515U CN 209627084 U CN209627084 U CN 209627084U
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Abstract
The utility model provides a kind of carrier structure and lens driving apparatus for voice coil motor, belong to camera module technical field, including the carrier circular hole for carrying camera lens, coiling plane for coiling, the reversing column that the upper side of coiling plane is provided with for changing direction of winding, the first groove passed upward through for starting the end of a thread is provided at the flank abutment of reversing column position along camera lens moving direction, first groove runs through coiling plane, a kind of carrier structure and lens driving apparatus for voice coil motor provided by the utility model is solved when carrier starts coiling from bottom to top, when the coiling number of plies is odd number, start the end of a thread, terminate the end of a thread not in the problem of carrier the same side.
Description
Technical field
The utility model belongs to camera module technical field, and in particular to a kind of carrier structure for voice coil motor and
Lens driving apparatus.
Background technique
Coil is the indispensable a part of motor, is the power resources of motor, and the number of turns of coil is to influence motor driving
An important factor for power, in order to meet motor with enough driving forces, is designed mostly under the conditions of motor inner space is limited
Person promotes motor drive power using coil turn is increased, to guarantee the stability of motor.
The winding mode of coil can use the winding mode of multilayered structure, and it is odd number and idol that this, which will have the coiling number of plies,
Number terminates the end of a thread position and is located at beginning the end of a thread the same side when the coiling number of plies is even level, when the coiling number of plies is odd-level,
Terminate the end of a thread position and be located at the other side for starting the end of a thread, start the end of a thread and terminates the end of a thread not in the same side of carrier, to guarantee to open
Initial line head and end the end of a thread are located at the same side, and beginning the end of a thread the same side need to be drawn by terminating the end of a thread, this will will lead to wrong line and can not protect
Coil dimension is demonstrate,proved, therefore, solves the problems, such as that the coiling when coiling number of plies is odd number is particularly important.
In existing voice coil motor structure, the mode of coiling be start the end of a thread on the downside of the carrier from bottom to top around
Line, carrying out the effectively initial mode fixed, and work as coiling using the coiling notch being arranged on carrier becomes starting the end of a thread from carrier
When upside carries out coiling from top to bottom, effectively initial fix can not be formed by starting the end of a thread.
Summary of the invention
The purpose of this utility model be for solve voice coil motor structure carrier winding mode when starting coiling from top to bottom,
Initial head can not initially be fixed, start the end of a thread, terminate the problem that the end of a thread cannot be located at carrier the same side, provide one
Kind is used for the carrier structure and lens driving apparatus of voice coil motor.
To realize the above-mentioned technical purpose, using following technical scheme:
A kind of carrier structure for voice coil motor, the coiling including the carrier circular hole for carrying camera lens, for coiling
Plane, the reversing column that the upper side of coiling plane is provided with for changing direction of winding, edge at the flank abutment of reversing column position
Camera lens moving direction is provided with the first groove passed upward through for starting the end of a thread, which runs through coiling plane.
In some embodiments, carrier upper surface is provided with the first protrusion, the first dispensing position, the first notch and second point
Glue position, the first protrusion with upper reed plate notch for cooperating, and the first dispensing position is for being bonded upper reed plate, and the first notch is for avoiding magnetic
The magnetic yoke valve of yoke ring, the second dispensing position is for a damping glue；Carrier lower end surface is provided with the second protrusion, third dispensing position, second
Notch and third notch, when the second protrusion is for carrier downward range and base contacts, under third dispensing position is for being bonded
Reed, the second notch are used for coiling for assembling induction magnetite, third notch.
In some embodiments, first protrusion, the first dispensing position, the first notch, the second dispensing position and second are convex
The quantity risen is 4.
In some embodiments, the height of the reversing column be higher than coiling plane, the depth of groove of first groove,
Width is all larger than the diameter of coiling line.
In some embodiments, coiling is carried out in carrier peripheral side after the induction magnetite filling.
In some embodiments, first groove starts the end of a thread and passes through from the bottom up when the coiling number of plies is odd number
First groove bypasses reversing column, the coiling since carrier upper end.
In some embodiments, described beginning the end of a thread does not protrude coiling plane.
In some embodiments, the reversing column quantity is 1, is located at winding start position.
A kind of lens driving apparatus, including a kind of carrier structure for voice coil motor described in any of the above embodiments.
A kind of carrier structure and lens driving apparatus for voice coil motor provided by the utility model has following excellent
Point:
1, a kind of carrier structure and voice coil motor for voice coil motor provided by the utility model, solves and works as wire winding layer
When number is odd-level, starts the end of a thread and terminate the problem that the end of a thread cannot be located at carrier the same side.
2, a kind of carrier structure and voice coil motor for voice coil motor provided by the utility model, by being arranged on carrier
Reversing column, coiling can be started from top to bottom by starting the end of a thread when realizing carrier coiling.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is voice coil motor structure schematic diagram.
Fig. 2 is carrier overlooking structure diagram.
Fig. 3 is carrier present invention looks up structural representation.
Fig. 4 is carrier schematic perspective view.
Fig. 5 is that odd-level coiling starts the end of a thread and terminates the end of a thread position view.
Fig. 6 is reversing column commutation coiling schematic diagram clockwise.
Fig. 7 is reversing column commutation anti-clockwise windings schematic diagram.
Appended drawing reference: the first protrusion of 1-, the first dispensing of 2- position, the first notch of 3-, the second dispensing of 4- position, the first groove of 5-,
6- reversing column, the second protrusion of 7-, 8- third dispensing position, the second notch of 9-, 10- third notch, 11- start the end of a thread, 12- end lines
Head, 100- carrier circular hole, 101- magnet yoke ring, 200- upper reed plate, 300- bracket, 400- drive magnetite, and 500-FPCB, 600- are carried
Body, 700- incude magnetite, 800- coil, reed under 900-, 910- pedestal.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
The utility model is described in further details with reference to the accompanying drawing.
Embodiment 1
Please refer to Fig. 1 to Fig. 7, a kind of 600 structure of carrier for voice coil motor, including the carrier circle for carrying camera lens
Hole 100, for the coiling plane of coiling, camera lens can be contained in, be installed on, being embedded in, contacting, being fixed on, being temporarily fixed on,
It is supported in, couples or in the carrier circular hole 100 that carrier is formed, at least one camera lens is equipped in carrier circular hole 100.
The reversing column 6 that the upper side of coiling plane is provided with for changing direction of winding, the flank abutment of 6 position of reversing column
Place is provided with the first groove 5 passed upward through for starting the end of a thread along camera lens moving direction, and first groove 5 is flat through coiling
Face.Reversing column 6 starts the end of a thread when realizing carrier coiling can start coiling from top to bottom, and when the mode of coiling becomes out
When initial line head carries out coiling from 600 upside of carrier from top to bottom, reversing column 6 initially fixes initial capitiform at effective,
Reversing column 6 solves the problems, such as that starting the end of a thread and end the end of a thread when the coiling number of plies is odd-level is not located at carrier the same side, changes
Ensure that the setting of column 6, which terminates the end of a thread, does not need to draw to the end of a thread the same side is started, and will not lead to wrong line, and then ensure that line
Enclose size.First groove 5 is used to start the end of a thread and passes upward through and be located at 6 position of reversing column, and it is flat across coiling to start the end of a thread
Face, third notch 10 are used for coiling, and the bottom surface of third notch 10 forms coiling plane, if being not provided with the first groove 5, around
Height can be too high at coiling of the line by starting the end of a thread, to influence driving force when motor design, and then influences motor
Stability.
600 upper surface of carrier is provided with the first protrusion 1, the first dispensing position 2, the first notch 3 and the second dispensing position 4, and first
Protrusion 1 with upper reed plate notch for cooperating, and the first dispensing position 2 is for being bonded upper reed plate, and the first notch 3 is for avoiding magnet yoke ring
Magnetic yoke valve, the second dispensing position 4 are connected in magnet yoke ring for point damping glue, carrier 600 by upper reed plate, carrier 600 and upper spring
The cooperation of piece is fixed to carry out cooperation fixation using the first protrusion 1 and 2 structure of the first dispensing position, carries out since carrier carries camera lens
Mobile, so being provided with the first notch 3 of the magnetic yoke valve for avoiding magnet yoke ring on carrier 600, carrier 600 is whole to be substantially formed
For quadrangle form.
600 lower end surface of carrier is provided with the second protrusion 7, third dispensing position 8, the second notch 9 and third notch 10, and second is convex
When playing 7 for 600 downward range of carrier and base contacts, third dispensing position 8 is used for being bonded lower reed, the second notch 9
Magnetite is incuded in assembly, and third notch 10 is used for coiling, and carrier 600 is linked with pedestal by lower reed, the second 7 symmetrical points of protrusion
It is distributed in carrier lower end surface, third dispensing position 8 is symmetrically distributed in 600 two sides of carrier, is assemblied in the second notch 9 induction magnetite and is located at load
Body is equipped with the side of the first groove 5, and third notch 10 was used for coiling, the molding driving coil of coiling around carrier outer peripheral surface one week
Also substantially match with support shapes, the molding driving coil of coiling is integrally generally formed into quadrangle form.
The raised quantity of first protrusion, the first dispensing position, the first notch, the second dispensing position and second is 4, quantity 4
A the first protrusion, the first dispensing position, the first notch, the second dispensing position and the second protrusion is respectively symmetrically uniformly distributed, and 4 first
Protrusion enables to upper reed plate and 600 joint uniform force of carrier with the cooperation of upper reed plate notch, and 4 the first dispensing positions are bonded with
Reed makes upper reed plate fixation stronger, and 4 the first notches are used to avoid 4 magnetic yoke valves of magnet yoke ring, 4 the second dispensing positions
Damping glue can be made by uniform damping.
The height of reversing column 6 is higher than coiling plane, and the depth of groove of the first groove 5, width are all larger than the straight of coiling line
Diameter.The height of reversing column 6 starts the end of a thread when being higher than the coiling of coiling plane body can start coiling, and reversing column 6 from top to bottom
Initial capitiform initially to be fixed at effective, the depth of groove of the first groove 5, width are all larger than the diameter of coiling line,
Coiling plane will not be protruded by starting the end of a thread, and coil is wound on the outer peripheral surface of carrier, and the first groove 5, coiling are provided on carrier 600
When, beginning the end of a thread 11 of coil is located at the downside of carrier 600, starts the end of a thread 11 and move up direction from lower past camera to pass through the
One groove 5 starts coiling by the upside of carrier from top to bottom, when the coiling number of plies is odd number, terminates the end of a thread 12 and initial
First 11 are located at the same side of carrier, are provided with third notch 10 on carrier outer peripheral surface, and coil is wound on third notch 10, and coiling lacks
Mouth is convenient for coiling and prevents coil from falling off.It is provided with reversing column 6 on carrier 600, when coiling, beginning the end of a thread 11 of coil is around overload
Body upper side reversing column 6 changes the end of a thread direction, is formed and is initially fixed, and starts coiling from top to bottom by the upside of carrier.
It is provided in 600 peripheral side of carrier progress coiling, carrier 600 for incuding magnetite filling after incuding magnetite filling
The second notch 9, induction magnetite detects that camera lens is worked as by the magnetic field power variation that generates in motor energization action process, cooperation
Preceding position applies set electric current to motor, can reach purpose that is quick, precisely focusing.Induction magnetite is for sensing
The position feedback of closed loop motor is realized in displacement on spool moving direction between magnet.Induction magnetite is also possible to other positions
Sensing unit is moved, for sensing the sensor of magnetic force change.In addition, in another embodiment, appointing for magnetic force change can be sensed
What sensor and Hall sensor may be used as displacement sensing unit, and reflective optical system can be used for example.
First groove 5 starts the end of a thread and passes through the first groove 5 from the bottom up, bypass reversing column when the coiling number of plies is odd number
6, the coiling since carrier upper end, as shown in figure 5, the dotted arrow of 6 back of reversing column illustrates the coiling number of plies in figure.Carrier
600 are provided with the reversing column 6 for changing direction of winding, and the copper wire of coiling enters the first groove 5 from carrier bottom surface, reversing column 6
Height is higher than coiling plane, and the depth of groove of the first groove 5, width are all larger than the diameter of coiling line, ensure that copper wire is not dashed forward
Plane out.Copper wire changes direction of winding through reversing column 6, direction of winding can carry out carrying out counterclockwise clockwise around
Line, as shown in Figure 6 and Figure 7, the dotted arrow in figure on carrier illustrate direction of winding.When the coil-winding number of plies is odd-level,
It is ipsilateral that the negative leads of coil are distributed in carrier.This structure ensure that the premise ipsilateral in coil positive and negative lead wires distribution carrier
Under, wire winding layer is not limited by even level, so that designer selection face when coil layer number designs is wider.
Start the end of a thread and do not protrude coiling plane, third notch 10 provides winding position for coiling, so that coiling is molding
Coil position is more fixed, and passes through the first groove 5 from the bottom up, bypasses reversing column 6, the depth of groove of the first groove 5, width are equal
Greater than the diameter of coiling line, starting the end of a thread ensure that copper wire does not protrude plane.
6 quantity of reversing column is 1, is located at winding start position.Reversing column 6 is different from other and is located at the protrusion of carrier 600
Block, reversing column 6 be in order to solve the problems, such as start the end of a thread and terminate the end of a thread cannot be located at carrier the same side, start the end of a thread can not shape
The new structure component proposed at the problem effectively initially fixed.6 quantity of reversing column is 1, is located at winding start position,
The height of reversing column 6 is higher than coiling plane, and when coiling starts the end of a thread can start coiling from top to bottom, and reversing column 6 is split
Initial line head form it is effective initial fixed, reversing column 6 to prominent on the outside of carrier, facilitate start the end of a thread bypass reversing column 6 and at
Effective initial fixed, the technical solution of the present embodiment is obtained by paying a large amount of wisdom labour and experiment.
Embodiment 2
Present embodiments provide a kind of lens driving apparatus, which is characterized in that be used for voice coil motor including above-mentioned one kind
Carrier structure, please with reference to Fig. 1 to Fig. 7.Voice coil motor is the camera lens and imaging sensor for adjusting camera module
The distance between make imaging sensor be located at the device of lens focus position, that is, voice coil motor executes automatic focusing function
Automatic device.
A kind of lens driving apparatus, the reversing column 6 that 600 upper side of carrier is provided with for changing direction of winding, reversing column
The first groove 5 passed upward through for starting the end of a thread is provided at position along camera lens moving direction.
In addition, 600 upper surface of carrier is provided with the first protrusion 1, the first dispensing position 2, the first notch 3 and the second dispensing position 4,
First protrusion 1 with upper reed plate notch for cooperating, and the first dispensing position 2 is for being bonded upper reed plate, and the first notch 3 is for avoiding magnetic yoke
The magnetic yoke valve of ring, the second dispensing position 4 is for a damping glue；Carrier lower end surface is provided with the second protrusion 7, third dispensing position 8, second
Notch 9 and third notch 10, when the second protrusion 7 is for carrier downward range and base contacts, third dispensing position 8 is for gluing
Lower reed is connect, the second notch 9 is used for coiling for assembling induction magnetite, third notch 10；
A kind of lens driving apparatus further includes magnet yoke ring 101, upper reed plate 200, bracket 300, driving magnetite 400, PCB
500, carrier 600, induction magnetite 700, coil 800, lower reed 900, pedestal 910, upper reed plate are set to pedestal upper end face, PCB
500 are arranged in side face, and bracket is set in magnet yoke ring, and induction magnetite is set on carrier, and coil is wound on carrier, carrier
It is supported in magnet yoke ring by upper reed plate, lower reed, lower reed is set on the base, and pedestal and magnet yoke ring cooperate for fixing horse
Up to internal part.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model, comes for those skilled in the art
It says, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of carrier structure for voice coil motor, including the carrier circular hole for carrying camera lens, the coiling for coiling is flat
Face, which is characterized in that the reversing column that the upper side of coiling plane is provided with for changing direction of winding, the side of reversing column position
Adjoiner is provided with the first groove passed upward through for starting the end of a thread along camera lens moving direction, and first groove is flat through coiling
Face.
2. a kind of carrier structure for voice coil motor according to claim 1, it is characterised in that: the carrier upper surface
It is provided with the first protrusion, the first dispensing position, the first notch and the second dispensing position, the first protrusion is used to cooperate with upper reed plate notch,
First dispensing position is used to avoid the magnetic yoke valve of magnet yoke ring for being bonded upper reed plate, the first notch, and the second dispensing position is for point damping
Glue；Carrier lower end surface is provided with the second protrusion, third dispensing position, the second notch and third notch, the second protrusion for carrier to
When lower range and base contacts, third dispensing position incudes magnetite, third for assembling for being bonded lower reed, the second notch
Notch is used for coiling.
3. a kind of carrier structure for voice coil motor according to claim 2, it is characterised in that: first protrusion,
The raised quantity of first dispensing position, the first notch, the second dispensing position and second is 4.
4. a kind of carrier structure for voice coil motor according to claim 1, it is characterised in that: the height of the reversing column
Degree is higher than coiling plane, and the depth of groove of first groove, width are all larger than the diameter of coiling line.
5. a kind of carrier structure for voice coil motor according to claim 2, it is characterised in that: the induction magnetite dress
Coiling is carried out in carrier peripheral side after filling out.
6. a kind of carrier structure for voice coil motor according to claim 1, it is characterised in that: first groove exists
When the coiling number of plies is odd number, starts the end of a thread and pass through the first groove from the bottom up, bypass reversing column, the coiling since carrier upper end.
7. a kind of carrier structure for voice coil motor according to claim 6, it is characterised in that: described beginning the end of a thread is not
Prominent coiling plane.
8. a kind of carrier structure for voice coil motor according to claim 1, it is characterised in that: the reversing column quantity
It is 1, is located at winding start position.
9. a kind of lens driving apparatus, which is characterized in that described in any item a kind of for voice coil horse including such as claim 1-8
The carrier structure reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396515.6U CN209627084U (en) | 2019-03-27 | 2019-03-27 | A kind of carrier structure and lens driving apparatus for voice coil motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396515.6U CN209627084U (en) | 2019-03-27 | 2019-03-27 | A kind of carrier structure and lens driving apparatus for voice coil motor |
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| Publication Number | Publication Date |
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| CN209627084U true CN209627084U (en) | 2019-11-12 |
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| CN201920396515.6U Active CN209627084U (en) | 2019-03-27 | 2019-03-27 | A kind of carrier structure and lens driving apparatus for voice coil motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928889A (en) * | 2021-03-22 | 2021-06-08 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
-
2019
- 2019-03-27 CN CN201920396515.6U patent/CN209627084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112928889A (en) * | 2021-03-22 | 2021-06-08 | 新思考电机有限公司 | Driving device, camera module and electronic equipment |
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Effective date of registration: 20211103 Address after: 621000 261 east section of Fei Yun Road, hi tech Zone, Mianyang, Sichuan. Patentee after: SICHUAN AWA SEIMITSU ELECTRIC Co.,Ltd. Address before: 621000 No. 261, east section of Feiyun Avenue, Mianyang City, Sichuan Province Patentee before: MIANYANG ANHE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |