CN110138174A - A kind of parallelogram principle closed loop motor - Google Patents
A kind of parallelogram principle closed loop motor Download PDFInfo
- Publication number
- CN110138174A CN110138174A CN201910392852.2A CN201910392852A CN110138174A CN 110138174 A CN110138174 A CN 110138174A CN 201910392852 A CN201910392852 A CN 201910392852A CN 110138174 A CN110138174 A CN 110138174A
- Authority
- CN
- China
- Prior art keywords
- carrier
- suspension
- buffer substrate
- substrate tablet
- magnetite
- 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
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 27
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 21
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The present invention discloses a kind of parallelogram principle closed loop motor, including shell, carrier, suspension, buffer substrate tablet, coil, chip, capacitor, magnetic conduction sheet, magnetite, FPCB, magnet absorbing plate, base；Carrier is equipped in the shell, carrier side is equipped with magnetic conduction sheet, magnetite is equipped on the outside of magnetic conduction sheet, coil, capacitor, chip are equipped on the outside of magnetite, the coil, capacitor, chip are fixed on FPCB, and FPCB is fixed on the inside of magnet absorbing plate, are fixed on shell exterior on the outside of magnet absorbing plate, outer casing bottom is equipped with base, for bearing against shell；Buffer substrate tablet is fixed on inside base, suspension is equipped on the inside of buffer substrate tablet, suspension bears against carrier, magnetite and the magnet absorbing plate generate suction and carrier, suspension, buffer substrate tablet form dynamic balance in the horizontal direction, coil generates Lorentz force after powered up, it drives the magnetite, carrier to form parallelogram sturcutre in movement in vertical direction, suspension and the carrier, buffer substrate tablet, prevents carrier from rotating in movement in vertical direction.
Description
Technical field
The present invention relates to voice coil motor technical field more particularly to a kind of voice coil motors for camera automatic focusing.
Background technique
Due to voice coil motor (Voice Coil Motor, VCM) have structure is simple, small in size, low energy consumption, it is noiseless,
High acceleration, fast response time, displacement be accurate and the advantages such as price is low, so coming at present for camera automatic focusing device
It says, voice coil motor structure automatic focusing is still the highest mode of cost performance.By the way that optical lens is fixed on voice coil motor rotor
On coil holder, the rotor power unit mobile as camera lens, and voice coil motor rotor coil holder and stator are connected by elastic slice, work as motor
After energization, rotor coil holder will be moved in a straight line along camera lens optical axis direction, to realize automatic focusing function, the effect of carrier is
Camera lens and coil are carried in motor internal motion, the measurement of voice coil motor characterisitic parameter is measured by laser position sensors,
Measurement method is piece of metal reflecting piece to be bonded at the top of camera lens, then will be stained with metal reflective sheet camera lens and be screwed into voice coil motor at present
Carrier measures.
But routine is all made of bilateral electromagnetic structure design or the design of four side electromagnetic structures, such scheme body in the prior art
Product occupied space is big, and power consumption is higher.
Summary of the invention
The object of the present invention is to provide a kind of parallelogram principle closed loop motors.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of parallelogram principle closed loop motor, including shell, carrier, suspension, buffer substrate tablet, coil, chip, capacitor,
Magnetic conduction sheet, magnetite, FPCB, magnet absorbing plate, base；
Carrier is equipped in the shell, carrier side is equipped with magnetic conduction sheet, magnetite is equipped on the outside of magnetic conduction sheet, is equipped on the outside of magnetite
Coil, capacitor, chip；The coil, capacitor, chip are fixed on FPCB, and the FPCB is fixed on the inside of magnet absorbing plate；Outside magnet absorbing plate
Shell exterior is fixed in side, and outer casing bottom is equipped with the base for bearing against shell；Buffer substrate tablet is fixed on inside base, is being buffered
Suspension is equipped on the inside of piece, suspension bears against carrier；
Magnetite and magnet absorbing plate generate the same carrier of suction, suspension, buffer substrate tablet and form dynamic balance in the horizontal direction；Coil is being powered
After generate Lorentz force, driving magnetite, carrier are in movement in vertical direction；
Suspension and carrier, buffer substrate tablet form parallelogram sturcutre, prevent carrier from rotating in movement in vertical direction.
Advantages of the present invention feature is:
The present invention designs this technical characteristic using unilateral electromagnetic structure, and magnetite suction is protected in the horizontal direction with suspension pulling force
Holding force balance, by carrier, suspension, buffer substrate tablet parallelogram sturcutre, can avoid carrier occur in movement in vertical direction
Rotation, unilateral electromagnetism layout can effectively reduce coil resistance, and save space.Under the premise of identical Lens, motor dimension
It can accomplish minimum, it is least in power-consuming.
Detailed description of the invention
Fig. 1 is the explosive view of invention.
Fig. 2 is invention shell schematic diagram.
Fig. 3 is invention carrier schematic diagram.
Fig. 4 is invention base schematic diagram.
Fig. 5 is invention control system architecture schematic diagram.
Fig. 6 is invention control electromagnetic structure schematic diagram.
Fig. 7 is invention parallelogram principle figure.
Fig. 8 is invention parallelogram sturcutre schematic diagram.
Fig. 9 is invention Structure of mover schematic diagram.
Figure 10 is invention buffer substrate tablet assembling schematic diagram.
Specific embodiment
Below with reference to attached drawing 1-10 and appended drawing reference is said, the present invention is described in more detail.
A kind of parallelogram principle closed loop motor, shell 1, carrier 2, suspension 3, buffer substrate tablet 4, coil 5, chip 6, capacitor
7, magnetic conduction sheet 8, magnetite 9, FPCB10, magnet absorbing plate 11, base12.
As shown in Fig. 2, shell 1 uses non-magnet material, one side opening of shell, for assembling magnet absorbing plate 11, magnetic adsorption plate 11
It is external to reduce assembling difficulty, reduce motor volume；Another inside that sets is equipped with boss, is used for limiting buffer piece 4.2 side of carrier
Equipped with card slot, magnetic conduction sheet 8 can be fixed in card slot, magnetic conduction sheet uses permeability magnetic material, and 2 side of carrier is equipped with L-shaped groove at 4, effect
Be position suspension 3, carrier two sides protrusion using non-through design, its role is to avoid motor when trusted property is impacted and
2 side of carrier scratches, and 2 top and bottom of carrier is equipped with boss, and purpose avoids suspension more than 3 when carrier movement or reliability impact
The contact of other components causes to fail.
As shown in figure 4, the bottom Base12 is equipped with 4 rectangle protrusions, this protrusion and 2 corner location of carrier composition motor are anti-
Twisting structure its role is to ensure that camera lens can smoothly be selected into carrier, while also can avoid motor carrier when trusted property is impacted
Displacement is excessive to be caused to fail, and carrier base is equipped with two abnormity protrusions, this abnormity protrusion is matched with the side base boss, it is ensured that
Buffer substrate tablet 4 is fixed, and the raised side of this abnormity is equipped with annular convex platform, this boss is matched with 4 through-hole of buffer substrate tablet, it is ensured that buffering
4 assembly precision of piece.
As shown in figure 5, control system is during the focusing process, the chip 6 passes through Hall magnetic caused by induction magnetite 9
, to determine the position of carrier 2, and the location information of carrier is sent to the FPCB, FPCB is according to the position of the carrier 2
Information calculates and drives size of current corresponding to the focusing magnetic field of the carrier 2, and the electric current is passed into the focusing
In magnetic field creating elements coil, corresponding focusing magnetic field, the phase focused between magnetic field and the Constant charge soil of magnetite generation are generated
The mobile component is pushed to focusing position by interaction, completes focus process.
As shown in fig. 7, parallelogram principle figure, after principle C, D is two fixed.AB level moves up to A ' B '
When, AB vertical direction without spin, translated in the horizontal direction along the direction BC, it is horizontal as AB horizontal upward direction movement 0.3mm
Direction displacement is 0.007mm.On mobile phone photograph without influence.
As shown in figure 8, parallelogram sturcutre schematic diagram, suspension side is fixed on carrier, and carrier corresponding position is equipped with L-type
Slot can be used for limiting and fixing suspension, and buffer substrate tablet is fixed in the suspension other side, and buffer substrate tablet corresponding position is equipped with through-hole, for solid
Fixed and limit suspension.
As shown in figure 9, Structure of mover schematic diagram, carrier side fluting, slot is interior to place magnetic conduction sheet, assembles magnetic on the outside of magnetic conduction sheet
Stone.
As shown in Figure 10, the buffer substrate tablet assembling bottom base is equipped with abnormity protrusion, and raised side is equipped with boss, and buffer substrate tablet is corresponding
Position is equipped with through-hole, and through-hole is matched with boss, guarantees buffer substrate tablet assembly precision.
Claims (8)
1. a kind of parallelogram principle closed loop motor, which is characterized in that
Including shell, carrier, suspension, buffer substrate tablet, coil, chip, capacitor, magnetic conduction sheet, magnetite, FPCB, magnet absorbing plate, base；
Carrier is equipped in the shell, carrier side is equipped with magnetic conduction sheet, and magnetite is equipped on the outside of magnetic conduction sheet, is equipped with line on the outside of magnetite
Circle, capacitor, chip；The coil, capacitor, chip are fixed on FPCB, and the FPCB is fixed on the inside of magnet absorbing plate；On the outside of magnet absorbing plate
It is fixed on shell exterior, outer casing bottom is equipped with the base for bearing against shell；Buffer substrate tablet is fixed on inside base, in buffer substrate tablet
Inside is equipped with suspension, and suspension bears against carrier；
Magnetite and magnet absorbing plate generate the same carrier of suction, suspension, buffer substrate tablet and form dynamic balance in the horizontal direction；Coil produces after powered up
Raw Lorentz force, driving magnetite, carrier are in movement in vertical direction；
Suspension and carrier, buffer substrate tablet form parallelogram sturcutre, prevent carrier from rotating in movement in vertical direction.
2. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that suspension is fixed on buffering
Piece, in the impact of trusted property, buffer substrate tablet generates deformation after being hit, and deforms or breaks after avoiding suspension from being hit.
3. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that suspension and carrier delay
Punching forms parallelogram sturcutre, prevents carrier from rotating in movement in vertical direction.
4. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that magnet absorbing plate is magnetic conduction material
Material, inside sets boss, for bearing against coil.
5. according to claim or a kind of parallelogram principle closed loop motor, which is characterized in that carrier side fluting,
Magnetic conduction sheet is assembled into slot, and magnetite is equipped on the outside of magnetic conduction sheet, and magnetite is that hall magnet mentions in substitution conventional closed loop motor for coil
For stabilizing magnetic field.
6. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that magnet absorbing plate is magnetic conduction material
Material, inner wall are equipped with FPCB, and FPCB inner wall is equipped with runway coil, is equipped with chip and capacitor in runway coil.
7. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that base side wall is equipped with convex
Platform, buffer substrate tablet is equipped with through-hole, for ensuring buffer substrate tablet assembled position precision.
8. a kind of parallelogram principle closed loop motor according to claim 1, which is characterized in that outer casing inner wall is equipped with convex
Platform fits closely after assembling with buffer substrate tablet, it is ensured that horizontal direction buffer substrate tablet assembly precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392852.2A CN110138174A (en) | 2019-05-13 | 2019-05-13 | A kind of parallelogram principle closed loop motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392852.2A CN110138174A (en) | 2019-05-13 | 2019-05-13 | A kind of parallelogram principle closed loop motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110138174A true CN110138174A (en) | 2019-08-16 |
Family
ID=67573389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910392852.2A Pending CN110138174A (en) | 2019-05-13 | 2019-05-13 | A kind of parallelogram principle closed loop motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110138174A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100208369A1 (en) * | 2009-02-16 | 2010-08-19 | Sansung Electronics Co.,Ltd. | Camera lens assembly |
| CN103454749A (en) * | 2013-08-29 | 2013-12-18 | 上海比路电子有限公司 | Driving motor of closed-loop lens |
| CN104115063A (en) * | 2012-10-15 | 2014-10-22 | 爱斯尼克电子有限公司 | Actuator for compact camera |
| KR20150117720A (en) * | 2014-04-10 | 2015-10-21 | 주식회사 하이소닉 | Camera actuator for portable device |
| CN105911796A (en) * | 2015-02-24 | 2016-08-31 | 三星电机株式会社 | Actuator and camera module including the same |
| CN107124085A (en) * | 2017-06-23 | 2017-09-01 | 江苏新鑫星科技有限公司 | A kind of magnetic structure of loop circuit voice coil motor |
| CN210927420U (en) * | 2019-05-13 | 2020-07-03 | 辽宁中蓝电子科技有限公司 | Closed-loop motor based on parallelogram principle |
-
2019
- 2019-05-13 CN CN201910392852.2A patent/CN110138174A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100208369A1 (en) * | 2009-02-16 | 2010-08-19 | Sansung Electronics Co.,Ltd. | Camera lens assembly |
| CN104115063A (en) * | 2012-10-15 | 2014-10-22 | 爱斯尼克电子有限公司 | Actuator for compact camera |
| CN103454749A (en) * | 2013-08-29 | 2013-12-18 | 上海比路电子有限公司 | Driving motor of closed-loop lens |
| KR20150117720A (en) * | 2014-04-10 | 2015-10-21 | 주식회사 하이소닉 | Camera actuator for portable device |
| CN105911796A (en) * | 2015-02-24 | 2016-08-31 | 三星电机株式会社 | Actuator and camera module including the same |
| CN107124085A (en) * | 2017-06-23 | 2017-09-01 | 江苏新鑫星科技有限公司 | A kind of magnetic structure of loop circuit voice coil motor |
| CN210927420U (en) * | 2019-05-13 | 2020-07-03 | 辽宁中蓝电子科技有限公司 | Closed-loop motor based on parallelogram principle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201125 Address after: 124000 No. 388 North China Road, Xinglongtai District, Panjin City, Liaoning Province Applicant after: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Address before: 124000 No. 388 North China Road, Xinglongtai District, Panjin City, Liaoning Province Applicant before: LIAONING ZHONGLAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TA01 | Transfer of patent application right |