CN105979444A - Vibration exciter capable of being installed on structure - Google Patents
Vibration exciter capable of being installed on structure Download PDFInfo
- Publication number
- CN105979444A CN105979444A CN201510919827.7A CN201510919827A CN105979444A CN 105979444 A CN105979444 A CN 105979444A CN 201510919827 A CN201510919827 A CN 201510919827A CN 105979444 A CN105979444 A CN 105979444A
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- China
- Prior art keywords
- magnetic pole
- pole
- magnetic
- coil
- vibration exciter
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a vibration exciter capable of being installed on a structure. The vibration exciter comprises housing, a moving part, a connection part and a coil. The moving part is composed of one outer magnetic pole and one center magnetic pole, wherein the center magnetic pole is composed of two pole plates and one magnetic steel; and the two pole plates are symmetrically installed at the outer portion of the magnetic steel with the magnetic pole, the outer magnetic pole is located at the outside of the pole plates and the magnetic steel, and two cyclic magnetic energy air gaps between the outer ring surfaces of the two pole plates and the two inner ring surface of the outer magnetic pole. Compared with the single-air-gap magnetic circuit structure, the vibration exciter capable of being installed on the structure employs the dual-air-gap magnetic circuit structure so as to greatly improve the vibration efficiency; the vibration exciter capable of being installed on the structure employs a leaf spring to take as a whole structure so as to improve the intensity of the spring, uniformly absorb the load generated by vibration; and moreover, the structure is low in cost, and the installation is convenient.
Description
Technical field
The present invention relates to vibration exciter, a kind of small-sized activator converting electrical signals to mechanical vibration.
Background technology
Activator can convert electrical signals to mechanical vibration, is directly installed in other structures as small vibrating device；It addition,
Low frequency signal in play for the equipment such as computer or CD player music can be converted to mechanical vibration, so that people pass through whole body
Experience music, and then make people be loosened, may apply to the fields such as body-sensing music therapy, 4d multidimensional seat, automotive seat.
Patent CN100562181C discloses a kind of electric energy-mechanical vibration converter that can produce vibro-acoustic vibration, at this dress
In putting, forming a ring-type air gap between yoke and yoke plate, yoke provides stable magnetic induction for this air gap, when being positioned at
When coil in ring-type air gap passes to alternating current, just produce Ampere force act on coil, thus propelling coil in air gap on
Lower motion.The purpose of vibrating device is the frequency characteristic of the formal truth reduction signal of telecommunication with vibration, and the size of magnetic energy circuit determines
The height of its transmission vibration efficiency, and the quality of magnetic energy circuit often affects the low frequency characteristic of device, thus how to increase magnetic energy electricity
Road and to reduce magnetic energy circuit quality be current urgent problem.
Although the electro-mechanical vibratory transducer of patent CN100562181C uses brake part can obtain higher vibration effect
Rate, the most complicated yet with its structure, union piece is too much, if Rig up error, can cause the load of supporting part and connecting portion
Lotus is uneven so that local load is excessive and is destroyed, and also is difficult to obtain stable frequency response simultaneously.
Summary of the invention
What the present invention provided may be installed the vibration exciter treating on excitation structure, uses 2 ring-type air-gap magnetic circuit structures, this knot
Structure can be in the case of magnetic energy circuit size be constant, it is thus achieved that higher vibration efficiency；It addition, the spring that this invention uses is one
Individual overall structure, improves the reliability of product, can obtain stable frequency response.
A kind of vibration exciter that may be installed in structure, including housing, moving component, connection member and coil, described fortune
Dynamic component is by 021,1 central magnetic pole composition of 1 outer magnetic pole, and wherein central magnetic pole is by 2 pole plates 022 and 1 magnet steel 023
Composition；2 pole plates 022 are symmetrically mounted on the outside of the magnet steel 023 with magnetic pole, and outer magnetic pole 021 is positioned at pole plate 022 and magnetic
The outside of steel 023, forms 2 ring-type magnetic energy between outer ring surface and 2 inner ring surfaces of outer magnetic pole 021 of 2 pole plates 022
Air gap.
Further, connection member is connected 052,1 bolt 053 and 1 of base by spring leaf 04,2 051,6, supports
Individual nut 054 forms, and wherein spring leaf 04 uses epoxy resin bonded fiber overall processing to form, 3 connections inside spring leaf 04
Sheet and support 051, be connected base 052, outer magnetic pole 021 is adopted and is screwed connection, outside described spring leaf 04 3 companies with
Housing connects, and 2 groups of spring leafs 04 are symmetrically installed.
Further, housing is made up of 2 end caps 011 and 1 shell 012.
Further, coil is made up of 1 coil rack 031 and 2 section leads 032 being wrapped on coil rack 031；When
Power line 06 is connected with the sound signal of telecommunication through power amplifier, just produces magnetic force in 2 section leads 032, this magnetic force and 2
The ring-type magnetic interaction in magnetic energy air gap, so that producing relative displacement between moving component and coil, housing.
Further, upper and lower two end faces of coil are connected with 2 end caps 011 respectively, and coil is positioned at 2 ring-type magnetic energy air gaps
In；Moving component is positioned at the inside of housing；By 2 between 1 outer magnetic pole 021 and 1 central magnetic pole of moving component
Frame 051 uses threaded, and 2 pole plates 022 and 1 magnet steel 023 of central magnetic pole use bolt 053 and nut 054 solid
Fixed connection, 2 interior annular end faces of outer magnetic pole 021 align with the outer ring end face of 2 pole plates 022.
Further, after wire 031 is passed through alternating current, moving component moves up and down under the effect of Ampere force, promotes and bullet
The housing that reed 04 is connected moves up and down, thus the structure that exciting is connected with this invention.
Further, the present invention can use pendulum spring or other erecting device to be arranged in the mechanism treating exciting.
Further, magnet steel 023 uses neodymium iron boron permanent materials.
The present invention uses 2 ring-type magnetic energy air gap loop structures, compared with the single-air gap magnetic line structure of prior art, significantly carries
High vibration efficiency；Secondly, overall structure made by the spring leaf 04 that the present invention uses, and not only increases spring strength, Er Qieke
Absorbing, with more uniform, the load that vibration produces, the most this constructed value is cheap, easy for installation.The magnet steel of the present invention uses
Neodymium iron boron permanent materials, this material has higher magnetic energy product and coercivity and good mechanical property, and cost performance is high；Magnetic
Steel is internal magnetization, will be placed on magnetic energy loop inner by magnet steel, and on the one hand this structure can reduce leakage field, on the other hand can subtract
Few magnet steel volume, the volume of activator reduces the most therewith.
Accompanying drawing explanation
Fig. 1 is a kind of vibration exciter axonometric chart that may be installed in structure；
Wherein 0-vibration exciter 011-end cap 012-shell 06-power line
Fig. 2 is a kind of vibration exciter top view that may be installed in structure；
Wherein 011-end cap 012-shell 03-coil 04-spring leaf 051-support 06-power line
Fig. 3 is a kind of vibration exciter cross-section cutaway view that may be installed in structure；
Wherein 011-end cap 04-spring leaf 012-shell 021-outer magnetic pole 022-pole plate 023-magnet steel 051-support 052-connects
Base 032-coil rack 031-wire 053-bolt 054-nut
Fig. 4 is a kind of vibration exciter spring leaf top view that may be installed in structure；
Wherein 04-spring leaf.
Detailed description of the invention
With detailed description of the invention, technical scheme is described in further details below in conjunction with the accompanying drawings.Obviously, described
Embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on embodiments of the invention, this area
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into claimed
Scope.
As a example by Fig. 1, Fig. 2, Fig. 3, Fig. 4, embodiment 1:
The present invention is flattened cylindrical shape, is structure symmetrical above and below, mainly by housing 01, moving component 02, coil 03, bullet
Several parts such as reed 04, connection member 05, power line 06 are constituted.
Housing 01 includes 2 end caps and 1 shell, and 3 ears of end cap 011 and 3 ears of shell 012 pass through bolt
Being connected, 2 end caps 011 lay respectively on 2 end faces up and down of shell.
It is internal that moving component 02 is positioned at housing 01, is made up of 021,2 pole plates 022 of 1 outer magnetic pole and 1 magnet steel 023,
This 3 part uses connection member 05 to be connected with each other, and about 021 two end face of outer magnetic pole is respectively provided with for installing connection base
3 cylindrical holes of 052, pole plate 022 and magnet steel 023 center all have 1 cylindrical hole, 2 pole plates 022 and 1 magnet steel
023 uses 1 bolt 053 and nut 054 to fix and connect and compose central magnetic pole 02-1, outer magnetic pole 021 and central magnetic pole 02-14
Between use be symmetrically installed 2 supports 051 to be connected, support 051 is with 3 connection legs.In two of outer magnetic pole 021
Side annular end face forms 2 ring-type magnetic energy air gaps with the exterior annular end face of 2 pole plates 022 in central magnetic pole 02-1.
Coil 03 is made up of coil rack 031 and wire 032 two parts, and wire 032 is positioned at 2 annulars of coil rack 031
In groove, using epoxy glue to be mutually bonded between both, coil 03 is positioned at outer magnetic pole 021 and central magnetic pole 21-1 is formed
Ring-type magnetic energy air gap in, about 031 2 end face of coil rack has 3 grooves, 3 connection legs of support 051
It is positioned at groove.About 03 2 end face of coil uses threaded respectively at 2 end caps 011.
Spring leaf 04 is used for connecting housing 01 and moving component 02, uses epoxy resin bonded fiber overall processing to form.Spring leaf 04
3, inner side connect sheet and support 051, be connected base 052, outer magnetic pole 021 is adopted and is screwed connection.Outside spring leaf 04
3 connection sheets, between end cap 011 and shell 012, use the fixing connection of bolt, and 2 groups of spring leafs 04 are symmetrically installed.
Be positioned at after the wire 031 in 2 ring-type magnetic energy air gaps is passed through alternating current, moving component under the effect of Ampere force on
Lower motion, promotes the housing being connected with spring leaf 04 to move up and down, thus the structure that exciting is connected with this invention.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses the present invention.These are implemented
The multiple amendment of example is apparent from for the patented technology personnel of this area, and generic principles defined herein can be
Without departing from the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to illustrated herein
These embodiments, and be to fit to the widest range consistent with principles disclosed herein and features of novelty.
Claims (5)
1. may be installed the vibration exciter in structure, including housing, moving component, connection member and coil, it is special
Levying and be, described moving component is by 1 outer magnetic pole (021), and 1 central magnetic pole composition, wherein central magnetic pole is by 2 pole plates
(022) and 1 magnet steel (023) composition；2 pole plates (022) are symmetrically mounted on outside the magnet steel (023) with magnetic pole
Portion, outer magnetic pole (021) is positioned at pole plate (022) and the outside of magnet steel (023), and the outer ring surface of 2 pole plates (022) is with outer
2 ring-type magnetic energy air gaps are formed between 2 inner ring surfaces of magnetic pole (021).
A kind of vibration exciter that may be installed in structure the most according to claim 1, it is characterised in that connection member by
Spring leaf (04), 2 supports (051), 6 connections base (052), 1 bolt (053) and 1 nut (054)
Composition, wherein spring leaf (04) use epoxy resin bonded fiber overall processing form, spring leaf (04) inner side 3 connect sheets with
Support (051), connection base (052), outer magnetic pole (021) are adopted and are screwed connection, 3 companies in spring leaf (04) outside
Contact pin is connected with housing, and 2 groups of spring leafs (04) are symmetrically installed.
A kind of vibration exciter that may be installed in structure the most according to claim 1, it is characterised in that housing is by 2
End cap (011) and 1 shell (012) composition.
A kind of vibration exciter that may be installed in structure the most according to claim 1, it is characterised in that coil is by 1
Coil rack (031) and 2 section leads (032) composition being wrapped on coil rack (031)；When power line (06) is connected with
Through the sound signal of telecommunication of power amplifier, 2 section leads just produce magnetic force in (032), this magnetic force and 2 ring-type magnetic energy
Magnetic interaction in air gap, so that producing relative displacement between moving component and coil, housing.
A kind of vibration exciter that may be installed in structure the most according to claim 4, it is characterised in that coil upper and lower two
Individual end face is connected with 2 end caps (011) respectively, and coil is positioned in 2 ring-type magnetic energy air gaps；Moving component is positioned at housing
Internal；Use screw thread even by 2 supports (051) between 1 outer magnetic pole (021) and 1 central magnetic pole of moving component
Connecing, 2 pole plates (022) and 1 magnet steel (023) of central magnetic pole use bolt (053) and nut (054) fixing even
Connecing, 2 interior annular end faces of outer magnetic pole (021) align with the outer ring end face of 2 pole plates (022).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919827.7A CN105979444B (en) | 2015-12-11 | 2015-12-11 | Vibration exciter capable of being installed on structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919827.7A CN105979444B (en) | 2015-12-11 | 2015-12-11 | Vibration exciter capable of being installed on structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105979444A true CN105979444A (en) | 2016-09-28 |
| CN105979444B CN105979444B (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510919827.7A Active CN105979444B (en) | 2015-12-11 | 2015-12-11 | Vibration exciter capable of being installed on structure |
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| Country | Link |
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| CN (1) | CN105979444B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475293A (en) * | 2015-08-24 | 2017-03-08 | 中国科学院声学研究所 | The inertial exciter of the twin coil single action magnet structure radiated based on magnetic fluid |
| CN107959398A (en) * | 2017-12-29 | 2018-04-24 | 苏州东菱智能减振降噪技术有限公司 | A kind of bump leveller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845298Y (en) * | 2005-11-03 | 2006-12-06 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| CN200970577Y (en) * | 2006-08-18 | 2007-11-07 | 苏州东菱振动试验仪器有限公司 | High efficiency electric vibration exciter |
| CN200973173Y (en) * | 2006-11-16 | 2007-11-07 | 常州美欧电子有限公司 | Vabration acoustical generator |
| CN201491211U (en) * | 2009-08-25 | 2010-05-26 | 歌尔声学股份有限公司 | Elastic supporting device of vibratory device magnetic circuit system |
| CN202009321U (en) * | 2011-02-23 | 2011-10-12 | 瑞声光电科技(常州)有限公司 | Vibration motor |
-
2015
- 2015-12-11 CN CN201510919827.7A patent/CN105979444B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845298Y (en) * | 2005-11-03 | 2006-12-06 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| CN200970577Y (en) * | 2006-08-18 | 2007-11-07 | 苏州东菱振动试验仪器有限公司 | High efficiency electric vibration exciter |
| CN200973173Y (en) * | 2006-11-16 | 2007-11-07 | 常州美欧电子有限公司 | Vabration acoustical generator |
| CN201491211U (en) * | 2009-08-25 | 2010-05-26 | 歌尔声学股份有限公司 | Elastic supporting device of vibratory device magnetic circuit system |
| CN202009321U (en) * | 2011-02-23 | 2011-10-12 | 瑞声光电科技(常州)有限公司 | Vibration motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475293A (en) * | 2015-08-24 | 2017-03-08 | 中国科学院声学研究所 | The inertial exciter of the twin coil single action magnet structure radiated based on magnetic fluid |
| CN106475293B (en) * | 2015-08-24 | 2019-05-17 | 中国科学院声学研究所 | The inertial exciter of twin coil single action magnet structure based on magnetic fluid heat dissipation |
| CN107959398A (en) * | 2017-12-29 | 2018-04-24 | 苏州东菱智能减振降噪技术有限公司 | A kind of bump leveller |
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| Publication number | Publication date |
|---|---|
| CN105979444B (en) | 2020-01-14 |
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