CN105897040A - Super-magnetostrictive material vibrator - Google Patents
Super-magnetostrictive material vibrator Download PDFInfo
- Publication number
- CN105897040A CN105897040A CN201610483037.3A CN201610483037A CN105897040A CN 105897040 A CN105897040 A CN 105897040A CN 201610483037 A CN201610483037 A CN 201610483037A CN 105897040 A CN105897040 A CN 105897040A
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- CN
- China
- Prior art keywords
- coil
- giant magnetostrictive
- thin film
- balancing weight
- super
- 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.)
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- 239000000463 material Substances 0.000 title claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 5
- 239000010409 thin film Substances 0.000 claims description 53
- 230000000694 effects Effects 0.000 claims description 6
- 239000010408 film Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
Abstract
The invention discloses a super-magnetostrictive material vibrator, comprising a central sleeve, a drive coil, an upper counterweight, an upper super-magnetostrictive film, a substrate, a lower super-magnetostrictive film, a lower counterweight, a bias coil and a power supply. The super-magnetostrictive material vibrator is characterized in that the upper super-magnetostrictive film and the lower super-magnetostrictive film are separately stuck to the upper end and the lower end of the substrate, the upper counterweight is stuck to the upper end of the upper super-magnetostrictive film, the drive coil is positioned at the upper end of the upper counterweight, the lower counterweight is stuck to the lower end of the lower super-magnetostrictive film, the bias coil is positioned at the lower end of the lower counterweight, and the central sleeve penetrates through the drive coil, the upper counterweight, the upper super-magnetostrictive film, the substrate, the lower super-magnetostrictive film, the lower counterweight and the bias coil in sequence from top to bottom; and the central sleeve is fixedly connected with the drive coil, the substrate and the bias coil. The super-magnetostrictive material vibrator adopting a rare-earth super-magnetostrictive material for vibrating elements has the characteristics of large amplitude, quick response, simple structure and strong practicability.
Description
Technical field
The present invention relates to vibrator technical field, particularly relate to giant magnetostrictive material vibrator.
Background technology
In traditional vibrator technical field, the technology that vibrator uses is the eccentric drive at motor
Under rotate, due to the skewness of the quality of eccentric own, therefore rotate during can produce
Vibration, amplitude is relevant with the size of eccentric throw and eccentric, owing to motor and eccentric are the biggest, because of
This uses the feasibility of conventional vibration technology the strongest on the miniaturization of integrated products；Along with constantly sending out of technology
Exhibition, though piezo-ceramic vibrators solves the problem that volume is little, but its required driving voltage is higher,
And piezoelectric ceramics deformation quantity is less, thus cause amplitude less.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides that a kind of volume is little, amplitude big, drive
The giant magnetostrictive material vibrator that voltage is little.
The technical solution adopted in the present invention is: giant magnetostrictive material vibrator, including cylindrical central sleeve, drives
Moving winding, upper balancing weight, upper giant magnetostrictive thin film, substrate, lower giant magnetostrictive thin film, lower balancing weight,
Bias coil and power supply, it is characterised in that: described substrate is cirque structure, substrate internal diameter and center
Cylinder external diameter matches, and described upper giant magnetostrictive thin film, lower giant magnetostrictive thin film are cirque structure,
Upper giant magnetostrictive thin film, lower giant magnetostrictive thin film internal diameter are more bigger than substrate internal diameter, and upper ultra-magnetic telescopic is thin
Membrane material, lower Giant magnetostrictive thin film are rare earth ultra-magnetostriction material, upper giant magnetostrictive thin film
Using direct magnetostriction effect, lower giant magnetostrictive thin film uses counter magnetostriction effect, upper ultra-magnetic telescopic
Thin film, lower giant magnetostrictive thin film are respectively adhered on substrate upper end, lower end, described upper balancing weight, under join
Pouring weight is cirque structure, and upper balancing weight, lower balancing weight are respectively adhered on giant magnetostrictive thin film, lower super
The upper end of magnetostrictive thin film, lower end, described driving coil includes coil I and shell I, coil I by
Enamel-covered wire is entwined, and coil I is positioned at shell I, and coil I two ends are attached by wire with power supply,
Shell I is cirque structure, and shell I internal diameter matches with cylindrical central sleeve external diameter, drives coil to be positioned at and joins
The upper end of pouring weight, described bias coil includes coil II and shell II, and coil II is entwined for enamel-covered wire,
Coil II is positioned at shell II, and coil II two ends are attached by wire with power supply, and shell II is annular
Structure, shell II internal diameter matches with cylindrical central sleeve external diameter, and bias coil is positioned at the lower end of lower balancing weight, institute
The cylindrical central sleeve stated sequentially passes through driving coil, upper balancing weight, upper giant magnetostrictive thin film, base from top to bottom
Sheet, lower giant magnetostrictive thin film, lower balancing weight and bias coil, cylindrical central sleeve with drive coil, substrate,
Bias coil is fixing connection.
Compared with prior art, the invention has the beneficial effects as follows: giant magnetostrictive material vibrator from technology with
And material aspect solves the defect of conventional vibration technology and piezo-ceramic vibrators, rare-earth super-magnetic is utilized to cause
The response that telescopic material itself is had is fast, deform big advantage so that giant magnetostrictive material vibration apparatus
There is the feature that volume is little, amplitude is big, driving voltage is little.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the facade structures schematic diagram of the present invention；
Fig. 2 is the sectional view of the present invention；
1. cylindrical central sleeve in figure, 2. drives coil, 3. goes up balancing weight, 4. go up giant magnetostrictive thin film,
5. substrate, 6. descends giant magnetostrictive thin film, 7. descends balancing weight, 8. bias coil, 9. power supply, 201. lines
Circle I, 202. shells I, 801. coils II, 802. shells II.
Detailed description of the invention
Of the present invention as shown in Fig. 1 and Fig. 2 the invention discloses a kind of giant magnetostrictive material vibrator,
Including cylindrical central sleeve 1, drive coil 2, upper balancing weight 3, upper giant magnetostrictive thin film 4, substrate 5, lower super
Magnetostrictive thin film 6, lower balancing weight 7, bias coil 8 and power supply 9, it is characterised in that: described substrate
5 is cirque structure, and substrate 5 internal diameter matches with cylindrical central sleeve 1 external diameter, and described upper ultra-magnetic telescopic is thin
Film 4, lower giant magnetostrictive thin film 6 are cirque structure, and upper giant magnetostrictive thin film 4, lower super mangneto are stretched
Contracting thin film 6 internal diameter is more bigger than substrate 5 internal diameter, it is simple to the installation of cylindrical central sleeve 1, upper giant magnetostrictive thin film 4
Material, lower giant magnetostrictive thin film 6 material are rare earth ultra-magnetostriction material, upper giant magnetostrictive thin film 4
Using direct magnetostriction effect, lower giant magnetostrictive thin film 6 uses counter magnetostriction effect, upper super mangneto to stretch
Contracting thin film 4, lower giant magnetostrictive thin film 6 are respectively adhered on substrate 5 upper end, lower end, described upper balancing weight
3, lower balancing weight 7 is cirque structure, and upper balancing weight 3, lower balancing weight 7 are respectively adhered on super mangneto and stretch
Contracting thin film 4, lower giant magnetostrictive thin film 6 upper end, lower end, upper balancing weight 3, lower balancing weight 7 use stacking
Composite structure so that vibration sense is higher, described driving coil 2 includes coil I 201 and shell I 202,
Coil I 201 is entwined by enamel-covered wire, and coil I 201 is positioned at shell I 202, coil I 201 two ends
Being attached by wire with power supply 9, shell I 202 is cirque structure, shell I 202 internal diameter and center
Sleeve 1 external diameter matches, and drives coil 2 to be positioned at the upper end of balancing weight 3, and described bias coil 8 wraps
Vinculum circle II 801 and shell II 802, coil II 801 is entwined for enamel-covered wire, and coil II 801 is positioned at shell
In 802, coil II 801 two ends are attached by wire with power supply 9, and shell II 802 is cirque structure,
Shell II 802 internal diameter matches with cylindrical central sleeve 1 external diameter, and bias coil 8 is positioned at the lower end of lower balancing weight 7,
Described cylindrical central sleeve 1 sequentially passes through from top to bottom and drives coil 2, upper balancing weight 3, upper ultra-magnetic telescopic thin
Film 4, substrate 5, lower giant magnetostrictive thin film 6, lower balancing weight 7, bias coil 8, cylindrical central sleeve 1 with drive
Moving winding 2, substrate 5, bias coil 8 are fixing connection.
First bias coil 8 energising is made upper giant magnetostrictive thin film 4, lower giant magnetostrictive thin film 6 during work
It is in the linearity range that deflection is maximum, then by power supply 9, the supply voltage driving coil 2 is controlled
System so that upper giant magnetostrictive thin film 4, lower giant magnetostrictive thin film 6 produce deformation, then by upper super mangneto
Self-adhering film 4, lower giant magnetostrictive thin film 6 deformation drive substrate 5 deformation vibration, upper balancing weight 3, under
Balancing weight 7 uses stacking composite structure so that upper giant magnetostrictive thin film 4, lower giant magnetostrictive thin film 6
Under equal deformation, the vibration sense of giant magnetostrictive material vibrator is higher.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.The technology people of the industry
Member it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description only
It is the principle that the present invention is described, without departing from the spirit and scope of the present invention, common in this area
Within the simple change of technical staff and replacement are all protection scope of the present invention.
Claims (6)
1. giant magnetostrictive material vibrator, including cylindrical central sleeve, drives coil, upper balancing weight, upper super magnetic
Cause self-adhering film, substrate, lower giant magnetostrictive thin film, lower balancing weight, bias coil and power supply, its feature
It is: it is thin that described substrate upper end, lower end are pasted with giant magnetostrictive thin film, lower ultra-magnetic telescopic respectively
Film, upper giant magnetostrictive thin film upper end is pasted with balancing weight, drives coil to be positioned at the upper end of balancing weight,
Lower giant magnetostrictive thin film lower end is pasted with lower balancing weight, and bias coil is positioned at the lower end of lower balancing weight, center
Sleeve sequentially passes through driving coil, upper balancing weight, upper giant magnetostrictive thin film, substrate, lower super from top to bottom
Magnetostrictive thin film, lower balancing weight and bias coil, cylindrical central sleeve and driving coil, substrate, bias coil
It is fixing connection.
Giant magnetostrictive material vibrator the most according to claim 1, it is characterised in that: described base
Sheet is cirque structure, and substrate internal diameter matches with cylindrical central sleeve external diameter.
Giant magnetostrictive material vibrator the most according to claim 1, it is characterised in that: described is upper
Giant magnetostrictive thin film, lower giant magnetostrictive thin film are cirque structure, upper giant magnetostrictive thin film, under
Giant magnetostrictive thin film internal diameter is all bigger than substrate internal diameter, and upper giant magnetostrictive thin film, lower ultra-magnetic telescopic are thin
Membrane material is rare earth ultra-magnetostriction material, and upper giant magnetostrictive thin film uses direct magnetostriction effect, under
Giant magnetostrictive thin film uses counter magnetostriction effect.
Giant magnetostrictive material vibrator the most according to claim 1, it is characterised in that: described is upper
Balancing weight, lower balancing weight are cirque structure.
Giant magnetostrictive material vibrator the most according to claim 1, it is characterised in that: described drives
Moving winding includes coil I and shell I, and coil I is entwined by enamel-covered wire, and coil I is positioned at shell I,
Coil I two ends are attached by wire with power supply, and shell I is cirque structure, shell I internal diameter with in
Heart sleeve outer diameter matches.
Giant magnetostrictive material vibrator the most according to claim 1, it is characterised in that: described is inclined
Put coil and include coil II and shell II；Coil II is entwined for enamel-covered wire, and coil II is positioned at shell II,
Coil II two ends are attached by wire with power supply, and shell II is cirque structure, shell II internal diameter with in
Heart sleeve outer diameter matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483037.3A CN105897040B (en) | 2016-06-24 | 2016-06-24 | Giant magnetostrictive material vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483037.3A CN105897040B (en) | 2016-06-24 | 2016-06-24 | Giant magnetostrictive material vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105897040A true CN105897040A (en) | 2016-08-24 |
| CN105897040B CN105897040B (en) | 2017-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610483037.3A Active CN105897040B (en) | 2016-06-24 | 2016-06-24 | Giant magnetostrictive material vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105897040B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412458A (en) * | 2018-12-21 | 2019-03-01 | 信利光电股份有限公司 | A kind of focusing motor and camera module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691717Y (en) * | 2004-04-26 | 2005-04-13 | 陕西师范大学 | Active ribration device of rare earth ultra magneto striction ultrasonic transducer |
| EP1663519A1 (en) * | 2003-03-03 | 2006-06-07 | Adaptive Materials Technology Oy | A damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus |
| CN1819718A (en) * | 2005-02-08 | 2006-08-16 | Tdk股份有限公司 | Magnetostrictive actuator |
| JP2007294535A (en) * | 2006-04-21 | 2007-11-08 | Tdk Corp | Magnetostrictive element |
| CN103145087A (en) * | 2013-03-14 | 2013-06-12 | 南昌工程学院 | Magnetostrictive composite cantilever beam driven by Terfenol-D sheets |
| CN205725516U (en) * | 2016-06-24 | 2016-11-23 | 安徽理工大学 | Giant magnetostrictive material vibrator |
-
2016
- 2016-06-24 CN CN201610483037.3A patent/CN105897040B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1663519A1 (en) * | 2003-03-03 | 2006-06-07 | Adaptive Materials Technology Oy | A damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus |
| CN2691717Y (en) * | 2004-04-26 | 2005-04-13 | 陕西师范大学 | Active ribration device of rare earth ultra magneto striction ultrasonic transducer |
| CN1819718A (en) * | 2005-02-08 | 2006-08-16 | Tdk股份有限公司 | Magnetostrictive actuator |
| JP2007294535A (en) * | 2006-04-21 | 2007-11-08 | Tdk Corp | Magnetostrictive element |
| CN103145087A (en) * | 2013-03-14 | 2013-06-12 | 南昌工程学院 | Magnetostrictive composite cantilever beam driven by Terfenol-D sheets |
| CN205725516U (en) * | 2016-06-24 | 2016-11-23 | 安徽理工大学 | Giant magnetostrictive material vibrator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412458A (en) * | 2018-12-21 | 2019-03-01 | 信利光电股份有限公司 | A kind of focusing motor and camera module |
| CN109412458B (en) * | 2018-12-21 | 2020-05-29 | 信利光电股份有限公司 | Focusing motor and camera module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105897040B (en) | 2017-08-29 |
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