CN110439961A - A kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator - Google Patents
A kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator Download PDFInfo
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- CN110439961A CN110439961A CN201910653223.0A CN201910653223A CN110439961A CN 110439961 A CN110439961 A CN 110439961A CN 201910653223 A CN201910653223 A CN 201910653223A CN 110439961 A CN110439961 A CN 110439961A
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- Prior art keywords
- magnetic yoke
- mover magnetic
- passive
- yoke
- pedestal
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- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator, is made of passive vibration isolation device and active actuators two parts；Passive vibration isolation device is rubber spring, and active actuators are mainly made of coil, mover magnetic yoke, adjustment rubber ring, pedestal, annular outer cover, stator yoke, permanent magnet and upper housing；Annular outer cover is mounted on the base, fan-shaped permanent magnet is mounted in stator yoke, the coil system of twining is in mover magnetic yoke, stator yoke and mover magnetic yoke are installed on the pedestal in annular outer cover, rubber ring is adjusted between mover magnetic yoke and pedestal, coil in mover magnetic yoke is opposite with the fan-shaped permanent magnet on stator yoke, there are gaps between and, rubber spring is installed in mover magnetic yoke and is connected with pedestal, upper housing is covered on stator yoke, mover magnetic yoke and rubber spring, and is connected with rubber spring.The present invention have both it is good it is anti-wave, shock resistance, Corrosion Protection so that the composite vibration isolator has very strong engineering adaptability.
Description
Technical field
The invention belongs to Control Technique of Vibration and Noise field, in particular to a kind of reluctance type electromagnetism active-passive integratedization is compound
Vibration isolator.
Background technique
The vibration of dynamic power machine and its caused noise have special harm.Therefore, to the control of nuisance vibration and noise
System is always the hot spot of scholars' research.Generally start in terms of two: first is that changing original structure, vibration being solved by design
Moving noise problem；It on the other hand is exactly that Noise and Vibration Control is carried out on the basis of not changing original structure, as vibration noise subtracts
Vibration isolation technique.And the development of active control technology, derived from the requirement and other control mode increasingly strict to vibration and noise
Inaccessiable advantage.
Active-passive composite vibration isolation technique is to integrate passive vibration isolation device and actuator, by passive vibration isolation device load bearing equipment weight
And wideband vibration is isolated, while carrying out active control using actuator to which line spectrum of decaying vibrates.The technology can by actuator from
It frees in quiet carrying, wideband vibration isolating effect and line spectrum control effect can be obtained simultaneously, and the power consumption of active control can be reduced,
Suitable for motive power machine equipment vibration isolation, it is of great significance for improving mechanical equipment full frequency band vibration isolating effect.
Active-passive composite vibration isolator is the key element for implementing active-passive composite vibration isolation technique, should consider composite vibration isolator
The optimization design of internal passive vibration isolation device and actuator considers that external installation space, weight, use environment etc. require again.
Summary of the invention
The purpose of the present invention is to provide a kind of reluctance type electromagnetism active-passive integratedization composite vibration isolators, have both good
It is anti-wave, shock resistance, Corrosion Protection so that the novel all-in-one active-passive composite vibration isolator has very strong engineering applicable
Property.
Realize that technical scheme is as follows:
A kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator, by passive vibration isolation device and active actuators two parts group
At；The passive vibration isolation device is rubber spring, and the active actuators are mainly by coil, mover magnetic yoke, adjustment rubber ring, bottom
Seat, annular outer cover, stator yoke, permanent magnet and upper housing composition；
The annular outer cover is mounted on the base, and the sector permanent magnet is mounted in stator yoke, the coil system of twining
In mover magnetic yoke, the stator yoke and mover magnetic yoke are installed on the pedestal in annular outer cover, the adjustment rubber ring position
Between mover magnetic yoke and pedestal, the coil in mover magnetic yoke is opposite with the fan-shaped permanent magnet on stator yoke, and between there are
Gap, the rubber spring are installed in the mover magnetic yoke and are connected with pedestal, and upper housing is covered on stator yoke, mover magnetic
On yoke and rubber spring, and it is connected with the rubber spring.
Further, metallic framework is equipped in rubber spring of the present invention.
Further, rubber spring of the present invention is equipped with upper mounting structure, and the outer housing and the upper installation are tied
Structure is bolted to connection.
Further, rubber spring of the present invention, metallic framework, upper mounting structure are sulfided into overall structure.
Further, rubber spring bottom of the present invention is equipped with groove.
Beneficial effect
The first, using integrated design, passive vibration isolation device is mounted on inside actuator, is reduced needed for integrative vibration isolation device
Height and horizontal space, while have both it is good it is anti-wave, shock resistance, Corrosion Protection, there is very strong engineering adaptability.
The second, actuator uses magnetic resistance minimum principle, the active High power output that unitary current generates, and output is in the same direction simultaneously
Lorentz force, the significantly smaller volume and quality of actuator, extend active-passive integratedization composite vibration isolator uses model
It encloses.
Third, the passive carrying main spring built-in metal skeleton of partial rubber, improve the rigidity and bearing capacity of rubber spring, reduce
The volume of passive vibration isolation device, convenient for being internally integrated and integrated design.
4th, the size of passive vibration isolation device and electromagnetic actuator can be determined according to controlled device, form seriation
Integrated active-passive composite vibration isolator.
Detailed description of the invention
Fig. 1 is novel reluctance type electromagnetism active-passive integratedization composite vibration isolator axonometric drawing of the invention；
Fig. 2 is novel reluctance type electromagnetism active-passive integratedization composite vibration isolator general assembly drawing；
Fig. 3 is the schematic illustration of novel reluctance type electromagnetism active-passive integratedization composite vibration isolator active power output；
Wherein: 1- metallic framework 2- rubber spring 3- coil 4- mover magnetic yoke 5- adjusts rubber ring 6- pedestal 7- ring
Mounting structure on shape shell 8- stator yoke 9- permanent magnet 10- upper housing 11-.
Specific embodiment
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
The embodiment of the present invention provides a kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator, as shown in Fig. 1~2, by
Passive vibration isolation device and active actuators two parts are constituted, and the passive vibration isolation device is rubber spring 2, and the active actuators are main
By coil 3, mover magnetic yoke 4, adjustment rubber ring 5, pedestal 6, annular outer cover 7, stator yoke 8, permanent magnet 9 and 10 groups of upper housing
At；
The annular outer cover 7 is installed on pedestal 6, and the sector permanent magnet 9 is mounted in stator yoke 8, the coil 3
The system of twining is in mover magnetic yoke 4, and the stator yoke 8 and mover magnetic yoke 4 are installed on the pedestal 6 in annular outer cover 7, the adjustment
Fan-shaped permanent magnet 9 coil 3 and stator yoke 8 on of the rubber ring 5 between mover magnetic yoke 4 and pedestal 6, in mover magnetic yoke 4
Relatively, and between there are gap, the rubber spring 2 is installed in the mover magnetic yoke 4 and is connected with pedestal 6, upper housing 10
It is covered on stator yoke 8, mover magnetic yoke 4 and rubber spring 2, and is connected with the rubber spring 2.
Rubber spring 2, coil 3, mover magnetic yoke 4, adjustment rubber ring 5 and the composition of upper housing 10 are equivalent to mover assembly,
Pedestal 6, annular outer cover 7, stator yoke 8, permanent magnet 9 composition be equivalent to stator module.Between mover assembly and stator module
It is positioned by rubber spring 2, and guarantees movement clearance between the two, can be movable relatively by both rubber springs 2.
Passive vibration isolation: internal passive vibration isolation device realizes the support of equipment dead load, completes the passive vibration isolation of vibration isolator.
Active vibration isolation: active power output includes two parts, electromagnetic force and Lorentz force, and working principle is as shown in Fig. 3:
Permanent magnet and stator yoke are in the vertical direction generation magnetic field S ← N → S, and when coil is passed through electric current shown in (a), iron core is generated
Magnetic field and yoke field interact, mover moves upwards；When coil is passed through electric current shown in (b), the magnetic field of iron core generation
It interacts with yoke field, mover moves downward.The distance r of mover and stator is remained unchanged in mover motion process, solution
It has determined nonlinear problem, and distance r is smaller, the electromagnetic force of output is bigger；Relative area simultaneously between stator and mover is constant,
The magnetic field Q that permanent magnet generates1Constant can be regarded as, be magnetic field Q caused by mover coil2For the function of electric current, Q can be writing for2=
Φm2S i n ω t, suction F at this timem=Q1Q2/r2=Φm1Φm2s i nωt/r2In only include electric current frequency, even if electric
There are multiple frequencies in stream, the ingredients such as harmonics and frequency, difference frequency will not be generated.In addition to electromagnetic force, coil also by with electromagnetic force side
To identical Lorentz force, which is linear force.
The present embodiment is arranged metallic framework 1 inside rubber spring 2, metallic framework be used to improve rubber spring rigidity and
Bearing capacity reduces the volume of passive vibration isolation device.
Mounting structure 11 is arranged in the present embodiment on rubber spring 2, and the outer housing 10 and the upper mounting structure 11 are logical
It crosses bolt to be fixedly connected, facilitates the fixation between outer housing and rubber spring 2.
Specific installation steps are as follows:
A) the system of twining of coil 3 in mover magnetic yoke 4, and integral installation is on upper housing 10；
B) fan-shaped permanent magnet 9 is mounted in stator yoke 8, and integral installation is on annular outer cover 7；
C) rubber spring 2, metallic framework 1, upper mounting structure 11 are sulfided into overall structure, and pass through 2 bottom of rubber spring
Mounting hole and pedestal 6 be installed together；
D) mounting and adjusting rubber ring 5 arrives bottom plate 6；
E) it by the bolt hole between annular outer cover 7 and pedestal 6, installs on b assembled component to pedestal 6；
F) pass through the bolt hole between upper housing 10 and upper mounting structure 11, the installation assembled component of a to previous step group
On the component installed.
It is mountable between controlled device and basis after active-passive integratedization vibration isolator is installed, in conjunction with attached drawing 3: when
When rubber spring vibrates downwards, coil is passed through alternating current shown in (a), and electromagnetic force is generated between mover and stator, and mover coil produces
The resultant force driving integrative vibration isolation device mover of raw Lorentz force, electromagnetic force and Lorentz force moves upwards, similarly rubber spring to
When upper vibration, coil is passed through alternating current shown in (b), and driving integrative vibration isolation device mover moves downward, and offsets controlled device through rubber
The vibration that the main spring of glue transmits, to realize that the master of vibration is passively isolated.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator, which is characterized in that by passive vibration isolation device and actively execution
Device two parts composition；The passive vibration isolation device is rubber spring (2), and the active actuators are mainly by coil (3), mover magnetic yoke
(4), rubber ring (5), pedestal (6), annular outer cover (7), stator yoke (8), permanent magnet (9) and upper housing (10) composition are adjusted；
The annular outer cover (7) is installed on pedestal (6), and the sector permanent magnet (9) is mounted in stator yoke (8), described
On mover magnetic yoke (4), the stator yoke (8) and mover magnetic yoke (4) are installed in annular outer cover (7) coil (3) system of twining
On pedestal (6), the adjustment rubber ring (5) is located between mover magnetic yoke (4) and pedestal (6), the coil in mover magnetic yoke (4)
(3) with stator yoke (8) on fan-shaped permanent magnet (9) relatively, and between there are gap, the rubber spring (2) is installed on institute
It states in mover magnetic yoke (4) and is connected with pedestal (6), upper housing (10) is covered on stator yoke (8), mover magnetic yoke (4) and rubber
On main spring (2), and it is connected with the rubber spring (2).
2. reluctance type electromagnetism active-passive integratedization composite vibration isolator according to claim 1, which is characterized in that the rubber master
Metallic framework (1) is equipped in spring (2).
3. reluctance type electromagnetism active-passive integratedization composite vibration isolator according to claim 1, which is characterized in that the rubber master
Spring (2) is equipped with upper mounting structure (11), and the outer housing (10) is bolted to connection with the upper mounting structure (11).
4. reluctance type electromagnetism active-passive integratedization composite vibration isolator according to claim 1, which is characterized in that the rubber master
Spring (2), metallic framework (1), upper mounting structure (11) are sulfided into overall structure.
5. reluctance type electromagnetism active-passive integratedization composite vibration isolator according to claim 1, which is characterized in that the rubber master
Spring (2) bottom is equipped with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653223.0A CN110439961A (en) | 2019-07-19 | 2019-07-19 | A kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653223.0A CN110439961A (en) | 2019-07-19 | 2019-07-19 | A kind of reluctance type electromagnetism active-passive integratedization composite vibration isolator |
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| CN110439961A true CN110439961A (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828525A (en) * | 2020-07-23 | 2020-10-27 | 中国核动力研究设计院 | Novel electromagnetic vibration isolator with adjustable negative stiffness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828525A (en) * | 2020-07-23 | 2020-10-27 | 中国核动力研究设计院 | Novel electromagnetic vibration isolator with adjustable negative stiffness |
| CN111828525B (en) * | 2020-07-23 | 2022-03-25 | 中国核动力研究设计院 | Novel electromagnetic vibration isolator with adjustable negative stiffness |
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