CN104180843B - Moving coil of angular vibration table - Google Patents
Moving coil of angular vibration table Download PDFInfo
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- CN104180843B CN104180843B CN201410442935.5A CN201410442935A CN104180843B CN 104180843 B CN104180843 B CN 104180843B CN 201410442935 A CN201410442935 A CN 201410442935A CN 104180843 B CN104180843 B CN 104180843B
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Abstract
The invention provides a moving coil of an angular vibration table. The moving coil comprises a moving coil base body and a driving coil. The outer side face of the moving coil base body is covered with the driving coil. The driving coil comprises coil windings and insulating layers, wherein the coil windings and the insulating layers are arranged alternately, the number of the coil windings is at least one layer, and the insulting layers completely cover the coil windings in the insulating layers. Each coil winding comprises a first coil and a second coil, wherein the first coil is wound anticlockwise from inside to outside, the second coil is wound clockwise from outside to inside, the first coil and the second coil are located on the same layer, the first coil and the second coil are wound respectively in multiple turns, each turn of the coil is composed of effective wire sections and connecting wire sections, the electrified effective wire sections generate ampere force in a magnetic field, and the connecting wire sections are located outside the magnetic field; the effective wire sections form an ampere force generation part. The space between all turns of wires of the coil windings is filled with epoxy resin glue, and the coil windings are connected with one another in series or in parallel. The moving coil of the angular vibration table has the advantages that the coils can be wound evenly with no need to form wiring grooves.
Description
Technical field
The present invention relates to the moving parts of angle vibration table, particularly a kind of angle vibration table moving-coil.
Technical background
Electromagnetic vibration platform is that vibration measurement calibrating installation or vibration testing device provide vibration source, the work of electromagnetic vibration platform
Principle be based on electrical conductor in air-gap field the Ampere law by electromagnetic force, moving-coil wire is wrapped on moving-coil matrix just
The moving-coil part of vibration table is constituted, therefore, moving-coil component leads cabling mode, wire effective length, conductor size and shape are straight
Connect impact vibration table motion mode (linear motion or rotary motion) and thrust or torque size.
Angular oscillation (angular displacement, angular velocity, angular acceleration) sensor is widely used in Aero-Space, auto industry, instrument
The field such as instrument and consumer electronicses, according to vertification regulation, needs diagonal vibrating sensor to be calibrated.Therefore, for calibration
The requirement that the angle vibration table moving-coil of angular oscillation sensor has which special：1）In order in the range of working band, angle vibration table table top
The low quantity of motion (angular displacement, angular velocity, angular acceleration) of the output distortion factor, it is desirable to which the natural frequency of moving-coil part is high；2）In order to
Realize the target of high angular acceleration, it is desirable to which the torque that moving-coil active wires section is produced is big, and the rotary inertia of itself is low；3）
On the one hand moving-coil needs enough rigidity to realize high natural frequency, and the wire for being connected with alternating current on the other hand should be avoided to produce
Raw alternating magnetic field produces vortex on moving-coil matrix, and so as to affect moving-coil output torque, therefore moving-coil basic material should be from height
The non-conducting material of rigidity.
China Patent No. 200620122619.0 discloses a kind of coil skeleton structure of electric angle vibrative table, moving-coil bone
The each independent rectangular framework groove of a circle is uniformly distributed on the end face of frame, heeling-in in skeleton grooves is wrapped with the driving wire of insulating barrier,
Fill insulating cement between wire and skeleton grooves, the termination of wire are stretched out along skeleton grooves and are connected with the wire rod of vibration table.
The shortcoming of this moving-coil structure is：Needs open up skeleton grooves on coil rack, reach coil by skeleton grooves
The uniform purpose of coiling, so as to cause, moving-coil rigidity is low, first natural frequency is low；Simultaneously because hand wound's lack of homogeneity, institute
So that moving-coil output torque directivity is poor, lack of homogeneity, Electricity and machine conversion efficiency are low.
The content of the invention
Carry out positioning lead to overcome existing moving-coil structure to need to open up skeleton grooves, cause that moving-coil rigidity is low, single order is solid
There is frequency low and hand wound bring poor moving-coil output torque directivity, lack of homogeneity, the low shortcoming of Electricity and machine conversion efficiency,
The invention provides one kind makes the uniform angle vibration table moving-coil of coil-winding by need not opening up metallic channel.
A kind of angle vibration table moving-coil, including moving-coil matrix and driving coil, it is characterised in that：Driving coil is covered in moving-coil
The lateral surface of matrix, driving coil include coil windings and insulating barrier, coil windings and insulating barrier interval setting, and coil windings are extremely
There is one layer less, insulating barrier is made up of epoxide-resin glue and glass cloth, and insulating barrier is completely covered the coil windings in which；
Each coil windings includes first coil and the second coil, first coil from inside to outside coiling counterclockwise, the second line
Circle coiling from outside to inside clockwise, first coil and the second coil are in same layer, first coil and the difference coiling of the second coil
Multiturn, is made up of active wires section and connecting wire section respectively per circle, and the active wires section of energization produces Ampere force in magnetic field,
Connecting wire section is outside magnetic field；
The active wires section that is spacedly distributed constitutes an Ampere force generating unit, the quantity of Ampere force generating unit be coil around
The twice of group number, the active wires segment number that each Ampere force generating unit is included are identical, between every circle wire of coil windings
It is filled with epoxide-resin glue, connected in series or in parallel between coil windings.
When making coil windings, the plane copper coin that can surround just moving-coil matrix lateral surface is first made, then in plane copper coin
On walk wire shaped and cabling mode with what the mode of wire cutting or engraving processed coil windings, then by plane copper board coil
It is fastened on the lateral surface of moving-coil matrix, while in the lateral surface and middle area of knockout winding glass cloth of coil windings,
And infusion epoxy resin glue, winding, while perfusion, after waiting curable epoxide, is processed using turning process and causes current layer
Coil windings form new smooth cylinder moving-coil matrix with moving-coil matrix.When making next layer of coil windings, with new
The lateral surface of moving-coil matrix is, with reference to preparation plane copper coin, to newly increase the coil windings of layer and the winding side of ground floor coil windings
Formula is identical, and ensures that the Ampere force generating unit position of each coil windings is mutually aligned overlap, when making other layer of coil windings,
Rule the like.
The coil windings made using wire cutting or engraving, the gap uniformity between wire, therefore driving coil has cloth
The uniform advantage of line.
The corner of active wires section and connecting wire section in coil windings passes through round-corner transition, it is to avoid coil windings add
Work and stress concentration and damage when fixing.
Further, moving-coil matrix is wound and is processed into by epoxide-resin glue and glass cloth mixing, and moving-coil matrix is into cylinder
Tubular, the lateral surface of moving-coil matrix offer the annular storage tank for accommodating driving coil, and the inner surface of moving-coil matrix offers ring
Connected in star, wire column are embedded in moving-coil matrix in advance, and the head end of wire column is reached in annular groove, the end of wire column and coil
The termination connection of winding.
Further, each coil windings has and only two conducting wire ends, a termination as end of incoming cables, another termination
As leading-out terminal.
Further, moving-coil matrix is provided with the cable-through hole for allowing the conducting wire end of coil windings to pass through, and the end of wire column is stretched
To the vicinity of cable-through hole, each cable-through hole one wire column of correspondence, wire column are distributed along the even circumferential of matrix part.
The beneficial effects of the present invention is：
1st, moving-coil matrix is formed by glass cloth and epoxide-resin glue cast, and the good rigidity of moving-coil, rotary inertia are little, while keeping away
Exempt from impact of the eddy current effect to moving-coil output torque.
2nd, using insulator separation adjacent layer coil windings electrical characteristic, while using insulating barrier strengthen moving-coil it is firm
Degree, improves the natural frequency of moving-coil, improves the waveform distortion of angle vibration table output campaign amount.
3rd, coil windings pass through wire cutting or engraving is formed, and wiring is uniform, uniform force, while reducing coil windings
Coiling difficulty, simplifies wire winding, and compact conformation；Coil windings adopt multiple-layer overlapped form, to increase Ampere force generating unit
Active wires segment number, so as to increase output torque.
Description of the drawings
Fig. 1 is the axonometric chart of the present invention.
Fig. 2 is the schematic diagram of coil windings and insulating barrier.
Fig. 3 is the two-dimentional winding diagram of coil windings.
Fig. 4 is the three-dimensional winding diagram of coil windings.
Fig. 5 is the schematic diagram of moving-coil matrix.
Specific embodiment
As shown in figure 1, a kind of angle vibration table moving-coil, including moving-coil matrix 2 and driving coil I, driving coil I is covered in dynamic
The lateral surface of cycle basis body 2.
As shown in Fig. 2 driving coil I includes coil windings 1 and insulating barrier 3,3 interval setting of coil windings 1 and insulating barrier,
Coil windings 1 at least have one layer, and insulating barrier 3 is made up of epoxide-resin glue and glass cloth, and insulating barrier 3 is completely covered the line in which
Circle winding 1.
As shown in figure 3, each coil windings includes first coil 1-1 and the second coil 1-2, first coil 1-1 is counterclockwise
From inside to outside coiling, the second coil 1-2 coilings from outside to inside clockwise, first coil 1-1 and the second coil 1-2 are in same
Layer, first coil 1-1 and the second coil 1-2 difference coiling multiturns, per circle respectively by active wires section 1A and connecting wire section 1B
Composition, active wires section 1A of energization produce Ampere force in magnetic field, and connecting wire section 1B is outside magnetic field.
Active wires section 1A being spacedly distributed constitutes an Ampere force generating unit, and the quantity of Ampere force generating unit is coil
The twice of 1 number of winding, the active wires section 1A quantity that each Ampere force generating unit is included are identical, and every circle of coil windings 1 is led
Epoxide-resin glue is filled between line, it is connected in series or in parallel between coil windings 1.
When making coil windings 1, the plane copper coin that can surround just 2 lateral surface of moving-coil matrix is first made, then in plane copper
Wire shaped and cabling mode are walked with what the mode of wire cutting or engraving processed coil windings 1 on plate, then by plane copper coin
Coil is fastened on the lateral surface of moving-coil matrix 2, while in the lateral surface and middle area of knockout winding glass of coil windings 1
Glass cloth, and infusion epoxy resin glue, winding, while perfusion, after waiting curable epoxide, is processed using turning process and caused currently
Coil windings 1 and the moving-coil matrix 2 of layer forms new smooth cylinder moving-coil matrix 2.Make next layer of coil windings 1
When, the lateral surface with new moving-coil matrix 2 is the coil windings 1 and ground floor coil that layer is newly increased with reference to preparation plane copper coin
The canoe of winding 1 is identical, and ensures that the Ampere force generating unit position of each coil windings 1 is mutually aligned overlap, makes which
During his layer coil windings 1, rule the like.
The corner of active wires section 1A and connecting wire section 1B in coil windings 1 passes through round-corner transition, it is to avoid coil
Stress concentration and damage when winding is processed and be fixed.
As shown in figure 4, each coil windings 1 is to be fixed on the hollow type cylindrical tube formed on moving-coil matrix 2.
As shown in figure 5, moving-coil matrix 2 is wound and is processed into by epoxide-resin glue and glass cloth mixing, 2 one-tenth of moving-coil matrix
Cylinder barrel shaped, the lateral surface of moving-coil matrix 2 offer the annular storage tank 2-2 for accommodating driving coil, the inner surface of moving-coil matrix 2
Annular groove 2-1 is offered, wire column 4 is embedded in moving-coil matrix 2 in advance, the head end of wire column 4 is reached in annular groove 2-1,
The end of wire column 4 is connected with the termination of coil windings 1.
Each coil windings 1 has and only two conducting wire ends, and used as end of incoming cables 1-4, another termination is made for a termination
For leading-out terminal 1-5.
Moving-coil matrix 2 is provided with the cable-through hole 2-3 for allowing the conducting wire end of coil windings 1 to pass through, and the end of wire column 4 reaches
The vicinity of cable-through hole 2-3, each cable-through hole 2-3 one wire column 4 of correspondence, wire column 4 are distributed along the even circumferential of matrix part.
The beneficial effects of the present invention is：
1st, moving-coil matrix 2 is formed by glass cloth and epoxide-resin glue cast, and the good rigidity of moving-coil, rotary inertia are little, while
Avoid impact of the eddy current effect to moving-coil output torque.
2nd, isolate the electrical characteristic of the coil windings of adjacent layer using insulating barrier 3, while strengthening moving-coil using insulating barrier 3
Rigidity, improves the natural frequency of moving-coil, improves the waveform distortion of angle vibration table output campaign amount.
3rd, coil windings 1 pass through wire cutting or engraving is formed, and wiring is uniform, uniform force, while reducing coil windings
Coiling difficulty, simplify wire winding, and compact conformation；Coil windings 1 adopt multiple-layer overlapped form, to increase Ampere force generation
The active wires section 1A quantity in portion, so as to increase output torque.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, the protection of the present invention
Scope is not construed as being only limitted to the concrete form stated by embodiment, and protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of angle vibration table moving-coil, including moving-coil matrix and driving coil, it is characterised in that：Driving coil is covered in moving-coil base
The lateral surface of body, driving coil include coil windings and insulating barrier, coil windings and insulating barrier interval setting, and coil windings are at least
With one layer, insulating barrier is made up of epoxide-resin glue and glass cloth, and insulating barrier is completely covered the coil windings in which；
Each coil windings is to be fixed on the hollow type cylindrical tube formed on moving-coil matrix, and each coil windings includes First Line
Circle and the second coil, first coil from inside to outside coiling counterclockwise, the clockwise coiling from outside to inside of the second coil, first coil and
Second coil is in same layer, first coil and the second coil difference coiling multiturn, per circle respectively by active wires section and connection
Conducting line segment is constituted, and the active wires section of energization produces Ampere force in magnetic field, and connecting wire section is outside magnetic field；
The active wires section being spacedly distributed constitutes an Ampere force generating unit, and active wires section is parallel to each other, and Ampere force occurs
The quantity in portion is the twice of coil windings number, and the active wires segment number that each Ampere force generating unit is included is identical, coil around
Epoxide-resin glue is filled between every circle wire of group, it is connected in series or in parallel between coil windings.
2. angle vibration table moving-coil as claimed in claim 1, it is characterised in that：Effectively leading in angle vibration table moving-coil coil windings
The corner of line segment and connecting wire section passes through round-corner transition.
3. angle vibration table moving-coil as claimed in claim 2, it is characterised in that：Moving-coil matrix is mixed by epoxide-resin glue and glass cloth
Conjunction winds and is processed into, and into cylinder barrel shaped, the lateral surface of moving-coil matrix offers the annular for accommodating driving coil to moving-coil matrix
Storage tank, the inner surface of moving-coil matrix offer annular groove, and wire column is embedded in moving-coil matrix in advance, and the head end of wire column stretches out
To in annular groove, the end of wire column is connected with the termination of coil windings.
4. angle vibration table moving-coil as claimed in claim 3, it is characterised in that：Each coil windings has and only two conductor wire end
Head, used as end of incoming cables, another termination is used as leading-out terminal for a termination.
5. angle vibration table moving-coil as claimed in claim 4, it is characterised in that：Moving-coil matrix is provided with the wire for allowing coil windings
The cable-through hole that termination passes through, the end of wire column reach the vicinity of cable-through hole, each cable-through hole one wire column of correspondence, wire column
Even circumferential along matrix part is distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442935.5A CN104180843B (en) | 2014-09-02 | 2014-09-02 | Moving coil of angular vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442935.5A CN104180843B (en) | 2014-09-02 | 2014-09-02 | Moving coil of angular vibration table |
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| Publication Number | Publication Date |
|---|---|
| CN104180843A CN104180843A (en) | 2014-12-03 |
| CN104180843B true CN104180843B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410442935.5A Active CN104180843B (en) | 2014-09-02 | 2014-09-02 | Moving coil of angular vibration table |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100548511C (en) * | 2006-04-18 | 2009-10-14 | 浙江大学 | A kind of exciting device |
| KR100780915B1 (en) * | 2006-08-10 | 2007-11-30 | 한국표준과학연구원 | Method of manufacturing rotating coil of angular vibration exciter which uses the multi layer pcb manufacturing method |
| KR101052336B1 (en) * | 2009-08-31 | 2011-07-27 | 한국표준과학연구원 | Rotary vibration |
| CN201724798U (en) * | 2010-06-22 | 2011-01-26 | 苏州东菱振动试验仪器有限公司 | Novel moving coil component |
| CN201832719U (en) * | 2010-08-02 | 2011-05-18 | 浙江大学 | Vibration table for centrifugal machine |
| CN102364316B (en) * | 2011-07-23 | 2013-08-14 | 浙江大学 | Three-component standard vibration table based on lock type decoupling device |
| CN103674455B (en) * | 2013-09-27 | 2016-06-22 | 浙江大学 | A kind of angle vibration table moving-coil |
| CN203464952U (en) * | 2013-09-27 | 2014-03-05 | 浙江大学 | Angular vibration bench |
| CN204064330U (en) * | 2014-09-02 | 2014-12-31 | 浙江大学 | A kind of angle vibration table moving-coil |
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| CN104180843A (en) | 2014-12-03 |
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