CN108173411A - A kind of voice coil motor - Google Patents
A kind of voice coil motor Download PDFInfo
- Publication number
- CN108173411A CN108173411A CN201810019493.1A CN201810019493A CN108173411A CN 108173411 A CN108173411 A CN 108173411A CN 201810019493 A CN201810019493 A CN 201810019493A CN 108173411 A CN108173411 A CN 108173411A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- lower shrapnel
- pedestal
- coil motor
- shrapnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052709 silver Inorganic materials 0.000 claims abstract description 41
- 239000004332 silver Substances 0.000 claims abstract description 41
- 239000002002 slurry Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims description 38
- 241000676840 Elater Species 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005526 G1 to G0 transition Effects 0.000 abstract description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Abstract
The invention discloses a kind of voice coil motors, the voice coil motor includes pedestal and lower shrapnel, the pedestal includes base body and at least PIN foot on base body, silver slurry layer is additionally provided on the pedestal, the lower shrapnel is adhesively fixed with pedestal by silver slurry layer and connection is connected by silver slurry layer with PIN foot in lower shrapnel.By using silver slurry layer Nian Jie with the fixation of pedestal on lower shrapnel, first fixed with of the prior art using rivet hot, then by being welded and fixed, finally also need to dispensing stationary phase ratio, simplification of flowsheet greatly improves production efficiency, fixation.
Description
Technical field
The present invention relates to micro machine technical fields, relate more specifically to a kind of voice coil motor.
Background technology
Voice coil motor, be it is a kind of be widely used in the camera module of electronic equipment, micro- electricity for driving lens focusing
Machine.Voice coil motor generally comprises pedestal, PIN foot, lower shrapnel, carrier and upper shrapnel etc., and constitutional detail is complicated, and assembling is difficult, example
If descended the fixation generally use rivet hot of shrapnel and pedestal or mode for dispensing glue in the prior art, and lower shrapnel and PIN foot are led
General rule is needed by the way of welding by multiple working procedure, and technological process is more complicated, and sets the rivet hot of rivet hot column that can influence to fix
Effect and static characteristic, welding can also generate the bad phenomenon not be connected, and dispensing has breaking releasing after fatigue resistance test
Risk.
Invention content
In order to solve the deficiencies in the prior art, the present invention provides a kind of raising production efficiency, lower shrapnel and pedestals
The voice coil motor being connected firmly.
Institute of the invention technique effect to be achieved is realized by following scheme：A kind of voice coil motor, the voice coil motor packet
Include pedestal and lower shrapnel, the pedestal includes base body and at least PIN foot on base body, on the pedestal
Silver slurry layer is additionally provided with, the lower shrapnel is adhesively fixed with pedestal by silver slurry layer and lower shrapnel is connected with PIN foot by silver slurry layer
Connection.
Preferably, the base body includes base plate and the base side of extension is folded upward at by base plate periphery
Plate, four angles of the base plate upwardly extend to form adapting table respectively, and corresponding adapting table, the PIN foot are additionally provided with placement
Platform, silver paste layer are located on the mounting table of PIN foot.
Preferably, the first storage tank is integrally offered on the adapting table and mounting table, silver paste layer is arranged on first
In storage tank and on the upper surface of mounting table.
Preferably, it is interconnected between first storage tank.
Preferably, the second storage tank, second storage tank and are further opened between the base side plate and mounting table
One storage tank connects.
Preferably, retaining structure is also protruded on the inside of the base side plate, the retaining structure is to by lower shrapnel clamping
It is fixed.
Preferably, the lower shrapnel is made of two independent units, and each unit includes 1 lower shrapnel outline border and 1
A lower shrapnel inner ring, the lower shrapnel outline border are connected with lower shrapnel inner ring by lower shrapnel elater, the lower shrapnel outline border and PIN foot
Mounting table contact conducting.
The present invention has the following advantages：
1st, it by the way that the fixation of lower shrapnel and pedestal is Nian Jie using silver slurry layer, is first fixed with of the prior art using rivet hot, then
By being welded and fixed, dispensing stationary phase ratio is finally also needed to, simplification of flowsheet greatly improves production efficiency, fixation；
2nd, by integrally offering the first storage tank on adapting table and mounting table, silver paste layer is arranged in the first storage tank
On the upper surface of mounting table, increase the contact area of silver slurry layer and pedestal, lower shrapnel is made to consolidate with mounting table, the bonding of adapting table
It is fixed more secured；
3rd, by will be interconnected between the first storage tank, silver paste excessive in the first different storage tanks can be spread uniformly,
The planarization combined with the lower shrapnel of guarantee with pedestal；
4th, by being further opened with the second storage tank between base side plate and mounting table, the second storage tank and the first storage tank connect
Logical, when shrapnel crimps fixed with pedestal by silver slurry layer instantly, extra silver paste can be entered in the second storage tank, and second is accommodating
The silver paste of slot can make the periphery of lower shrapnel and base side plate be adhesively fixed, and enhance lower shrapnel and the fixed intensity of pedestal.
Description of the drawings
Fig. 1 is the configuration schematic diagram of voice coil motor of the present invention；
Fig. 2 is the configuration schematic diagram of voice coil motor pedestal of the present invention and lower shrapnel；
Fig. 3 is the dimensional structure diagram of voice coil motor pedestal of the present invention；
Fig. 4 is the planar structure schematic diagram of voice coil motor pedestal of the present invention；
Fig. 5 is structural representation Fig. 1 that silver slurry layer is set on voice coil motor pedestal of the present invention；
Fig. 6 is structural representation Fig. 2 that silver slurry layer is set on voice coil motor pedestal of the present invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples, and the example of the embodiment is shown in the accompanying drawings
Go out, wherein same or similar label represents same or similar element or the member with same or like function from beginning to end
Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, and it is not intended that this
The limitation of invention.
In the description of the present invention, it is to be understood that term " length ", " width ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit of the invention
System.
In addition, term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic." first ", " second ", " third " are defined as a result,
One or more this feature can be expressed or be implicitly included to feature.In the description of the present invention, " multiple " are meant that
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；It can be with
It is mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected, can also be by intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
As shown in Figure 1, the embodiment of the present invention provides a kind of voice coil motor, the voice coil motor includes pedestal 100 and lower bullet
Piece 200, the pedestal 100 include base body 110 and at least PIN foot 120 on base body 110（Institute in figure
It is shown as two）, the PIN foot 120 is preferably by that on the placing mould technique insertion base body 110, can also use it
His process Installation is on the base body 110, for being electrically connected to import electric current with PCB.
During specific implementation, with reference to shown in Fig. 2-4, the base body 110 is preferred but is not limited to square structure, pedestal sheet
Body 110 includes base plate 111 and the base side plate 112 of extension, the base plate is folded upward at by 111 periphery of base plate
A light hole 113 is offered among 111, four angles of the base plate 111 upwardly extend to form adapting table 114 respectively, institute
It states adapting table 114 and is preferably but not limited to triangular structure, so that four angles with base plate 111 match.Corresponding adapting table
114th, the PIN foot 120 is additionally provided with mounting table 121, and mounting table 121 described in figure is formed in each bending part of PIN foot 120,
Its bending part is adapted to the shape and structure at four angles of base body 110, and the shape of the mounting table 121 and adapting table 114 is fitted
With so that PIN foot is fixedly connected by mounting table 121 with the adapting table 114 of base body 110.
As shown in Figure 5, Figure 6, silver slurry layer 130, the lower shrapnel 200 and bottom are additionally provided on heretofore described pedestal 100
Seat 100 is adhesively fixed by silver slurry layer 130 and lower shrapnel 200 is connected by silver slurry layer 130 with PIN foot 120 and connected.Specifically,
Silver paste layer 130 is located on the mounting table 121 of PIN foot 120, since PIN foot 120 has been fixedly connected with base body 110, silver
Pulp layer 130 by lower shrapnel 200 and PIN foot 120 be connected it is Nian Jie after so that realize that lower shrapnel 200 is fixedly connected with pedestal 100.
By the way that the fixation of lower shrapnel 200 and pedestal 100 is be bonded using silver slurry layer 130 in the present invention, and in the prior art
First fixed using rivet hot, then by being welded and fixed, finally also need to dispensing stationary phase ratio, simplification of flowsheet greatly promotes
Production efficiency, fixation.
As shown in figure 3, it is housed as a further improvement, integrally offering first on the adapting table 114 and mounting table 121
Slot 122, silver paste layer 130 are arranged in the first storage tank 122 and on the upper surface of mounting table 121, increase silver slurry layer 130 with
The contact area of pedestal 100 makes lower shrapnel 200 and mounting table 121, adapting table 114 be adhesively fixed more securely.
As a further improvement, be interconnected between first storage tank 122, it can be by the first different storage tanks 122
Interior excessive silver paste diffusion is uniform, the planarization combined with the lower shrapnel 200 of guarantee with pedestal 100.It specifically, can be accommodating first
The first groove 123 is opened up between slot 122 and connects first storage tank 122.Preferably, the depth of first groove 123 is small
In the depth of the first storage tank 122, when the silver paste in the first storage tank 122 is excessive, can it be flowed by the first groove 123
In his the first storage tank 122.
As a further improvement, the second storage tank 124, institute are further opened between the base side plate 112 and mounting table 121
It states the second storage tank 124 to connect with the first storage tank 122, shrapnel 200 crimps fixation with pedestal 100 by silver slurry layer 130 instantly
When, extra silver paste can be entered in the second storage tank 124, the silver paste of the second storage tank 124 can make the periphery of lower shrapnel 200 with
Base side plate 112 is adhesively fixed, and enhances lower shrapnel 200 and 100 fixed intensity of pedestal.Specifically, it is opened on the mounting table 121
Equipped with the second groove 125, second groove 125 is connected by the first storage tank 122 and with the second storage tank 124.
Heretofore described first storage tank, 122 preferably circular slot, first groove 123, the second groove 125 and
Two storage tanks 124 are preferably bar-shaped trough, but not limited to this.
As shown in figure 3, as a further improvement, the inside of the base side plate 112 also protrudes retaining structure 115, it is described
Retaining structure 115 is by lower 200 clamping fixed of shrapnel, reducing shrapnel and 100 center offset of pedestal.The retaining structure can
To be round, rectangular or other shapes, do not limited specifically in the present invention.
As shown in Figure 1, heretofore described voice coil motor further includes：The carrier 30 as one kind 0 of camera lens is carried, which sets
Put on pedestal 100, and be provided in carrier 30 as one kind 0 with the 113 corresponding hollow structure of light hole on pedestal 100, in described
Hollow structure is to elements such as accommodating optical modules；The coil 400 of torque is generated, which is arranged on the outside of carrier 30 as one kind 0,
The electric current is imported through PIN foot 120 and is powered to coil 400；The magnetite 500 in eternal magnetic field is generated, which is set online
The outside of circle 400；The upper shrapnel being arranged on above coil 400；And integrated setting is on 500 outside of magnetite and carrier 30 as one kind 0
The yoke 700 in portion for the magnetic line of force that magnetite 500 is concentrated to generate, and plays protection fixed function to the parts of voice coil motor.Institute
Lower shrapnel 200 is stated to the generated torque at work of balance coil 400, is electrically connected respectively with PIN foot 120 and coil 400
It connects, is powered with realizing that PIN foot 120 imports electric current through lower shrapnel 200 to coil 400.The inner wall of the carrier 30 as one kind 0 is circle, is used
In accommodating camera lens, outer wall is octagon or other shapes, the shape of coil 400 and the shape adaptation of 0 outer wall of carrier 30 as one kind.It is described
Magnetite 500 is preferably four pieces, respectively positioned at the outside of coil 400, and, the magnetite 500 corresponding with four angles of pedestal 100
Cross section be trapezium structure.
Heretofore described lower shrapnel 200 is made of two independent units, and each unit includes 1 lower shrapnel outline border
210 and 1 lower shrapnel inner rings 220, the lower shrapnel outline border 210 and lower shrapnel inner ring 220 are connected by lower shrapnel elater 230.Institute
It states lower shrapnel outline border 210 and contacts conducting with the mounting table 121 of PIN foot 120.
When voice coil motor works, the upper obstructed electric current of shrapnel, the electric current of lower shrapnel 200 is imported by PIN foot 120, coil 400
Magnetic field and the eternal magnetic field interaction of magnetite 500 are generated after middle energization, so as to which coil 400 drives carrier 30 as one kind 0 and mirror therein
Head moves up and down, and changes the size of interaction force by changing the size of current in coil 400, wherein lower 200 He of shrapnel
Upper shrapnel obeys Hooke's law.
When heretofore described pedestal 100 is assembled with lower shrapnel 200, the upper surface of mounting table 121 is first laid with silver slurry layer
130, after silver paste fills the upper surface of the first storage tank 122 and mounting table 121, lower shrapnel 200 is fitted on silver slurry layer 130 simultaneously
Lower shrapnel 200 is fixed by screens, a downward pressure then is applied to lower shrapnel 200, silver paste excessive in this way diffuses to
Second storage tank 124, then silver paste is solidified and then lower shrapnel 200 is made to be fixedly connected with pedestal 100.
It is last it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those of ordinary skill in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (7)
1. a kind of voice coil motor, the voice coil motor includes pedestal and lower shrapnel, and the pedestal includes base body and is mounted on
An at least PIN foot on base body, which is characterized in that silver slurry layer is additionally provided on the pedestal, the lower shrapnel leads to pedestal
Cross that silver slurry layer is adhesively fixed and connection is connected by silver slurry layer with PIN foot in lower shrapnel.
2. a kind of voice coil motor as described in claim 1, which is characterized in that the base body includes base plate and the bottom of by
Seat bottom plate periphery is folded upward at the base side plate of extension, and four angles of the base plate upwardly extend to form adapting table respectively,
Corresponding adapting table, the PIN foot are additionally provided with mounting table, and silver paste layer is located on the mounting table of PIN foot.
3. a kind of voice coil motor as claimed in claim 2, which is characterized in that integrally offered on the adapting table and mounting table
First storage tank, silver paste layer are arranged in the first storage tank and on the upper surface of mounting table.
4. a kind of voice coil motor as claimed in claim 3, which is characterized in that be interconnected between first storage tank.
5. a kind of voice coil motor as claimed in claim 4, which is characterized in that also opened up between the base side plate and mounting table
There is the second storage tank, second storage tank is connected with the first storage tank.
6. a kind of voice coil motor as claimed in claim 2, which is characterized in that also protrude screens knot on the inside of the base side plate
Structure, the retaining structure is to by lower shrapnel clamping fixed.
7. a kind of voice coil motor as described in claim 1, which is characterized in that the lower shrapnel is by two independent unit groups
Into each unit includes 1 lower shrapnel outline border and 1 lower shrapnel inner ring, and the lower shrapnel outline border and lower shrapnel inner ring are under
Shrapnel elater connects, and the lower shrapnel outline border contacts conducting with the mounting table of PIN foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019493.1A CN108173411A (en) | 2018-01-09 | 2018-01-09 | A kind of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019493.1A CN108173411A (en) | 2018-01-09 | 2018-01-09 | A kind of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108173411A true CN108173411A (en) | 2018-06-15 |
Family
ID=62517959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019493.1A Pending CN108173411A (en) | 2018-01-09 | 2018-01-09 | A kind of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108173411A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164197A1 (en) * | 2020-02-19 | 2021-08-26 | 新思考电机有限公司 | Voice coil motor base, voice coil motor, and camera module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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