CN106286666B - Reluctance type electromagnetism active vibration absorber - Google Patents
Reluctance type electromagnetism active vibration absorber Download PDFInfo
- Publication number
- CN106286666B CN106286666B CN201610879267.1A CN201610879267A CN106286666B CN 106286666 B CN106286666 B CN 106286666B CN 201610879267 A CN201610879267 A CN 201610879267A CN 106286666 B CN106286666 B CN 106286666B
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- Prior art keywords
- mover
- silicon steel
- bump leveller
- steel sheet
- stator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to Control Technique of Vibration and Noise fields, in particular to active vibration absorber.A kind of reluctance type electromagnetism active vibration absorber, it includes: bump leveller lower installation board, bump leveller cover, bump leveller upper mounting plate, mover assembly and stator module；4 rolling guide-rail pairs are installed, mover assembly is connect with bump leveller lower installation board and bump leveller upper mounting plate by spring, and by rolling guide-rail pairs, mover assembly can be with free vibration between mover assembly and stator module.The present invention can not only be combined with the passive damper of various models and be installed and used, it can also be optionally arranged on controlled device or pedestal, after coil is passed through alternating current, electromagnetic force is generated between mover assembly and stator module, stator coil generates Lorentz force, the resultant force of electromagnetic force and Lorentz force drives the movement of bump leveller mover, and the vibration of controll plant is offset with the absorbing power that it is generated, and achievees the purpose that control vibration.
Description
Technical field
The invention belongs to Control Technique of Vibration and Noise fields, in particular to active vibration absorber.
Background technique
Vibration is a kind of common phenomenon in production and life.As the speed of service is continuously improved, the vibration of mechanical equipment is asked
Topic has been to be concerned by more and more people.Vibration not only easily causes the fatigue damage of structure, influences equipment life, can also reduce instrument
The measurement accuracy of instruments and meters leads to electric component and robot control system(RCS) work failure, while vibration is also inevitably generated noise,
The normal work for influencing operator even endangers health.And with the development of science and technology, there are some intrinsic frequencies very
The very wide vibration of low, frequency domain.To this kind of vibration, passive vibration damping is helpless.In order to solve these problems, designers' structure
Think kinds of schemes, it is a kind of to generate control force using extra power, to inhibit the control method of system vibration --- active control
It is rapidly developed, and starts to apply in various fields.
Active absorbing technology changes the inertance element or elasticity of bump leveller by adjusting structural parameters using outer for the energy
The characteristic of element, or directly drive the vibrating body of bump leveller and move according to certain rules, it is controlled right to be offset with the absorbing power that it is generated
The vibration of elephant is also believed to the vibrational energy transfer of controll plant to arrive on bump leveller, achievees the purpose that control vibration.By
In active absorbing common structure or the vibration signal of system as feedback signal, it thus can relatively be flexibly adapted to extraneous excitation
With the uncertainty of system, also have light-weight, has the advantages of stronger adaptability to vibration environment, and have and inhibit low frequency vibration
Dynamic and broad-band random vibration ability, is a kind of ideal damping technology.
Active power bump leveller can according to it is main vibration be vibrational state, automatically adjust power bump leveller structural parameters or
The vibrational state of dynamic vibration absorber realizes that broadband absorbing improves to widen the use scope of dynamic vibration absorber significantly
Effectiveness in vibration suppression.Since power ratio gas source and oil sources are simple and easy, thus electrodynamic type and electromagnetic type bump leveller obtain in active control
To extensive use.The principle of electromagnetic actuator structure is to generate electromagnetic force (electromagnet principle), and electrodynamic type executing agency utilizes
Be Lorentz force (principle of motor).Electricmagnetic actuator, can be in lesser actuator compared with electrodynamic type actuator
Under volume and magnetic field, air gap variation, easily causes non-linear when generating bigger power, but being worked.
Summary of the invention
The object of the present invention is to provide a kind of volumes and quality to greatly reduce, the good reluctance type electromagnetism of engineering adaptability
Active vibration absorber, and the nonlinear problem being able to solve in conventional electromagnetic actuator.
The technical scheme is that a kind of reluctance type electromagnetism active vibration absorber, it include: by bump leveller lower installation board,
The shell of bump leveller cover and bump leveller upper mounting plate composition, and mover assembly and stator module positioned at enclosure interior；
Mover assembly includes: two blocks of mover silicon steel sheets that permanent magnet is embedded in end face center groove；Two blocks of mover silicon steel
Piece, which is parallel to each other, to be placed on bump leveller lower installation board, and vertical with bump leveller lower installation board, is embedded with one end phase of permanent magnet
Right, the two sides of every block of mover silicon steel sheet pass through fixed plate, mover silicon steel sheet on the left of mover standing screw and mover silicon steel sheet respectively
Right side fixed plate connects, and the outside of fixed plate, mover silicon steel sheet right side fixed plate is equipped with mover counterweight on the left of mover silicon steel sheet；
Stator module includes: the stator silicon steel sheet for being wound with coil；Stator silicon steel sheet is located between two mover silicon steel sheets,
Keep coil opposite with the permanent magnet on mover silicon steel sheet, and between stator silicon steel sheet and the identical setting of two mover silicon steel sheets holdings
Away from；The two sides of stator silicon steel sheet are fixedly connected with stator silicon steel sheet fixed plate, the stator silicon steel sheet of every side by stator standing screw
Fixed plate is fixedly connected with the stator fixed link being fixed on bump leveller lower installation board；
4 miniature rolling guide-rail pairs are divided into two pairs and are separately mounted in two stator fixed links, the mover silicon of mover assembly
Fixed plate, mover silicon steel sheet right side fixed plate are matched with two pairs of miniature rolling guide-rail pairs respectively on the left of steel disc；
Bump leveller upper mounting plate is fixedly connected with stator fixed link；
In bump leveller lower installation board, bump leveller upper mounting plate and mover assembly are equipped with opposed spring seats one by one, and every group
Set has spring between spring base；Between bump leveller lower installation board and mover assembly and bump leveller upper mounting plate and mover assembly
Between pass through spring connect.
The utility model has the advantages that (1) novel reluctance type Electromagnet absorber of the invention uses magnetic resistance minimum principle, unitary current is generated
Active drive power it is larger, and export Lorentz force in the same direction simultaneously, the significantly smaller volume and quality of actuator, engineering are answered
It is very strong with property；And since the distance of mover assembly and stator module remains unchanged in mover assembly motion process, solve non-
Linear problem；
(2) active vibration absorber of the invention has good anti-wave and shock resistance, engineer application are very strong；
(3) novel reluctance type Electromagnet absorber of the invention can not only combine installation with the passive damper of various models and make
With, moreover it is possible to it is optionally arranged on controlled device or pedestal, and mounting means is simple and reliable, flexible and changeable, convenient for disassembly and assembly, general journey
Degree is high.
Detailed description of the invention
Fig. 1 is appearance diagram of the present invention；
Fig. 2 is schematic diagram of internal structure of the present invention；
Fig. 3 is the top view inside the present invention；
Fig. 4 is the A-A direction view of Fig. 3；
Fig. 5 is the B-B direction view of Fig. 3；
Fig. 6 is the main view of stator module in the present invention；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the top view of Fig. 6；
Fig. 9 is the main view of mover assembly in the present invention；
Figure 10 is the top view of Fig. 9；
Figure 11 is the A-A direction view of Figure 10；
Figure 12, Figure 13, Figure 14, Figure 15 are working principle diagram of the present invention.
Specific embodiment
Referring to attached drawing, a kind of reluctance type electromagnetism active vibration absorber, it includes: by bump leveller lower installation board 1, bump leveller cover
2 and the shell that forms of bump leveller upper mounting plate 3, and mover assembly and stator module positioned at enclosure interior；
Mover assembly includes: two blocks of mover silicon steel sheets 12 that permanent magnet 11 is embedded in end face center groove；Two pieces of movers
Silicon steel sheet 12, which is parallel to each other, to be placed on bump leveller lower installation board 1, and vertical with bump leveller lower installation board 1, is embedded with permanent magnet
11 one end is opposite, and the two sides of every block of mover silicon steel sheet 12 pass through fixed on the left of mover standing screw 10 and mover silicon steel sheet respectively
Fixed plate 7 connects on the right side of plate 6, mover silicon steel sheet, and fixed plate 7 is outer on the right side of mover silicon steel sheet left side fixed plate 6, mover silicon steel sheet
Side is equipped with mover counterweight 4；
Stator module includes: the stator silicon steel sheet 13 for being wound with coil 16；Stator silicon steel sheet 13 is located at two mover silicon steel
Between piece 12, keep the permanent magnet 11 on coil 16 and mover silicon steel sheet 12 opposite, and stator silicon steel sheet 13 and two mover silicon steel
Piece 12 keeps identical setting spacing；The two sides of stator silicon steel sheet 13 are fixedly connected with stator silicon steel sheet by stator standing screw 14
Fixed plate 8, the stator silicon steel sheet fixed plate 8 of every side and the fixed company of the stator fixed link 5 being fixed on bump leveller lower installation board 1
It connects；
4 miniature rolling guide-rail pairs 18, which are divided to, to be separately mounted in two stator fixed links 5 for two Duis, the mover of mover assembly
Fixed plate 6, mover silicon steel sheet right side fixed plate 7 are matched with two pairs of miniature rolling guide-rail pairs 18 respectively on the left of silicon steel sheet；
Bump leveller upper mounting plate 3 is fixedly connected with stator fixed link 5；
In bump leveller lower installation board 1, bump leveller upper mounting plate 3 and mover assembly are equipped with respect to 16 spring bases one by one
15, set has spring 17 between every group of spring base 15；It is installed between bump leveller lower installation board 1 and mover assembly and on bump leveller
It is connected by spring 17 between plate 3 and mover assembly, column is equipped between bump leveller upper mounting plate 3, bump leveller lower installation board 1
19。
The active drive power of mover assembly includes two parts, electromagnetic force and Lorentz force in the present invention, and working principle is such as
Shown in 12~Figure 15 of attached drawing: permanent magnet 11 and stator yoke (stator silicon steel sheet 13 for being wound with coil 16) are generated in vertical direction
The magnetic field S ← N → S, when coil 16 is passed through electric current shown in Figure 12, Figure 13, the magnetic of iron core (two mover silicon steel sheets 12) generation
Field interacts with yoke field, and mover assembly is moved upwards along miniature rolling guide-rail pairs 18；When coil 16 is passed through Figure 14, Figure 15
When shown electric current, the magnetic field and yoke field that iron core generates interact, and mover assembly is transported downwards along miniature rolling guide-rail pairs 18
It is dynamic.The distance r of mover assembly and stator module is remained unchanged in mover assembly motion process, solves nonlinear problem, and
Distance r is smaller, and the electromagnetic force of output is bigger；Relative area simultaneously between stator module and mover assembly is constant, permanent magnet 11
The magnetic field Q of generation1Constant can be regarded as, be magnetic field Q caused by coil 162For the function of electric current, Q can be writing for2=Φm2sinω
T, suction F at this timem=Q1Q2/r2=Φm1Φm2sinωt/r2In only include electric current frequency, even if there is multiple frequencies in electric current
Rate will not generate the ingredients such as harmonics and frequency, difference frequency.In addition to electromagnetic force, coil 16 is also by Lip river identical with electromagnetic force direction
Lun Zili, the Lorentz force are linear force.
Claims (2)
1. a kind of reluctance type electromagnetism active vibration absorber, it is characterized in that: it includes: by bump leveller lower installation board (1), bump leveller cover
(2) and the shell of bump leveller upper mounting plate (3) composition, and mover assembly and stator module positioned at enclosure interior；
The mover assembly includes: two blocks of mover silicon steel sheets (12) that permanent magnet (11) are embedded in end face center groove；Two pieces
The mover silicon steel sheet (12), which is parallel to each other, to be placed on the bump leveller lower installation board (1), and with installed under the bump leveller
Vertically, one end embedded with permanent magnet (11) is opposite, and the two sides of every piece of mover silicon steel sheet (12) pass through mover respectively for plate (1)
Standing screw (10) is connect with fixed plate (6), mover silicon steel sheet right side fixed plate (7) on the left of mover silicon steel sheet, the mover silicon
The outside of fixed plate (6), mover silicon steel sheet right side fixed plate (7) is equipped with mover counterweight (4) on the left of steel disc；
The stator module includes: the stator silicon steel sheet (13) for being wound with coil (16)；The stator silicon steel sheet (13) is located at two
Between a mover silicon steel sheet (12), make the coil (16) and permanent magnet (11) phase on the mover silicon steel sheet (12)
It is right, and the stator silicon steel sheet (13) keeps identical setting spacing with two mover silicon steel sheets (12)；Stator silicon steel sheet
(13) two sides are fixedly connected stator silicon steel sheet fixed plate (8) by stator standing screw (14), the stator silicon steel of every side
Piece fixed plate (8) is fixedly connected with the stator fixed link (5) being fixed on the bump leveller lower installation board (1)；
4 miniature rolling guide-rail pairs (18) are divided into two pairs and are separately mounted on two stator fixed links (5), the mover group
Fixed plate (6), mover silicon steel sheet right side fixed plate (7) are described miniature with two pairs respectively on the left of the mover silicon steel sheet of part
Rolling guide-rail pairs (18) match；
The bump leveller upper mounting plate (3) is fixedly connected with the stator fixed link (5)；
In the bump leveller lower installation board (1), the bump leveller upper mounting plate (3) and the mover assembly are equipped with phase one by one
To spring base (15), set has spring (17) between spring base described in every group (15)；The bump leveller lower installation board (1) with it is described
Connected by the spring (17) between mover assembly and between the bump leveller upper mounting plate (3) and the mover assembly
It connects.
2. a kind of reluctance type electromagnetism active vibration absorber as described in claim 1, it is characterized in that: the bump leveller upper mounting plate
(3), column (19) are equipped between the bump leveller lower installation board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879267.1A CN106286666B (en) | 2016-10-08 | 2016-10-08 | Reluctance type electromagnetism active vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879267.1A CN106286666B (en) | 2016-10-08 | 2016-10-08 | Reluctance type electromagnetism active vibration absorber |
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| Publication Number | Publication Date |
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| CN106286666A CN106286666A (en) | 2017-01-04 |
| CN106286666B true CN106286666B (en) | 2019-06-04 |
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| CN201610879267.1A Active CN106286666B (en) | 2016-10-08 | 2016-10-08 | Reluctance type electromagnetism active vibration absorber |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969076A (en) * | 2017-03-30 | 2017-07-21 | 河海大学 | A kind of array electromagnetic damper |
| CN107339352B (en) * | 2017-08-21 | 2019-08-06 | 哈尔滨工程大学 | A kind of electromagnetism Electromechanical Coupling Circuit tuning bump leveller |
| CN107387631A (en) * | 2017-08-28 | 2017-11-24 | 中国船舶重工集团公司第七〇九研究所 | A kind of self-induction reluctance type electromagnetic damper |
| CN108153345B (en) * | 2017-12-25 | 2019-04-12 | 北京航空航天大学 | Photoelectric nacelle based on reaction force is surely as control device and control method |
| CN108146647B (en) * | 2017-12-25 | 2019-02-01 | 北京航空航天大学 | Photoelectric nacelle based on opposing torque is surely as control device and control method |
| CN108107934B (en) * | 2017-12-25 | 2019-08-23 | 北京航空航天大学 | The multistage steady picture/flyback multiplex control system of photoelectric nacelle |
| CN108443383B (en) * | 2018-04-26 | 2023-06-16 | 华南理工大学 | Electromagnetic dual-mode vibration absorber of transmission shaft |
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|---|---|---|---|---|
| US6095295A (en) * | 1997-10-09 | 2000-08-01 | Korea Advanced Institute Science And Technology | Rotary damper |
| CN205207526U (en) * | 2015-11-13 | 2016-05-04 | 哈尔滨工程大学 | Half initiative bump leveller with adjustable broadband rigidity and damping |
| CN105909713A (en) * | 2016-05-12 | 2016-08-31 | 哈尔滨工程大学 | High-linearity electromagnetic type semi-active vibration absorber |
| CN205618588U (en) * | 2016-05-10 | 2016-10-05 | 长沙理工大学 | Hybrid suspension vibration damper with adjustable |
| CN205618587U (en) * | 2016-05-10 | 2016-10-05 | 长沙理工大学 | Hybrid suspension vibration damper with adjustable |
| CN206246580U (en) * | 2016-10-08 | 2017-06-13 | 中国船舶重工集团公司第七一九研究所 | Reluctance type electromagnetism active vibration absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2618467Y (en) * | 2003-02-28 | 2004-06-02 | 杨舞林 | Straw hat structure |
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2016
- 2016-10-08 CN CN201610879267.1A patent/CN106286666B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095295A (en) * | 1997-10-09 | 2000-08-01 | Korea Advanced Institute Science And Technology | Rotary damper |
| CN205207526U (en) * | 2015-11-13 | 2016-05-04 | 哈尔滨工程大学 | Half initiative bump leveller with adjustable broadband rigidity and damping |
| CN205618588U (en) * | 2016-05-10 | 2016-10-05 | 长沙理工大学 | Hybrid suspension vibration damper with adjustable |
| CN205618587U (en) * | 2016-05-10 | 2016-10-05 | 长沙理工大学 | Hybrid suspension vibration damper with adjustable |
| CN105909713A (en) * | 2016-05-12 | 2016-08-31 | 哈尔滨工程大学 | High-linearity electromagnetic type semi-active vibration absorber |
| CN206246580U (en) * | 2016-10-08 | 2017-06-13 | 中国船舶重工集团公司第七一九研究所 | Reluctance type electromagnetism active vibration absorber |
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| CN106286666A (en) | 2017-01-04 |
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