CN110417174A - A kind of dynamical system denoising device and method - Google Patents
A kind of dynamical system denoising device and method Download PDFInfo
- Publication number
- CN110417174A CN110417174A CN201910669580.6A CN201910669580A CN110417174A CN 110417174 A CN110417174 A CN 110417174A CN 201910669580 A CN201910669580 A CN 201910669580A CN 110417174 A CN110417174 A CN 110417174A
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- China
- Prior art keywords
- bottom plate
- shell
- piston
- power mechanism
- plunger shaft
- Prior art date
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000011553 magnetic fluid Substances 0.000 claims description 25
- 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 description 21
- 239000000463 material Substances 0.000 claims description 12
- 239000000872 buffer Substances 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 7
- 230000005307 ferromagnetism Effects 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011535 reaction buffer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003786 synthesis reaction 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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)
- Power Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of dynamical system denoising devices, it includes the internal shell for vacuum environment, bottom plate is equipped in the shell, the top of the bottom plate is equipped with plummer, it is connected between the plummer and the bottom plate by spring-damper, the top of the plummer is equipped with the mounting base for installing power mechanism, the shell includes for the interface of the power mechanism output power, when power mechanism operating, it is buffered by the vibration that the elastic force of the spring-damper generates the power mechanism, the noise for generating the power mechanism by the intracorporal vacuum environment of the shell obstructs within the shell.The present invention can not only offset vibration, and can completely cut off noise, substantially increase anti-acoustic capability, effectively prevent noise pollution of the power mechanism to environment, better meet application demand.
Description
Technical field
The present invention relates to noise reducing apparatus more particularly to a kind of dynamical system denoising device and methods.
Background technique
With the progress of modern science and technology, the mankind are higher and higher to the requirement condition of living environment, wherein including various aspects.
Noise also becomes one of factor for influencing human health.Dynamical system at runtime, can generate irregular, interval
, continuous or random noise.Noise also includes noise, the pipeline resonant noise etc. when motor electric appliances itself are run simultaneously
Deng.If without processing, noise can life to the resident of surrounding, working environment generate strong influence.Traditional reduction
Electric machinery set noise control measures are handled whole system vibration isolation, are flexible coupling to pipeline and inlet and outlet, in pipeline
Vibration damping processing is carried out below bracket.Traditional method mainly for sound communication process, by noise in the process of propagation
It reduces, but this can not reduce to greatest extent motor noise.Therefore the harm of noise on human body is reduced, it is necessary to which synthesis is examined
Consider the factor of various aspects, reinforces the reduction to noise.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiencies of the prior art, provide one kind can offset vibration and
Noise can be completely cut off, and then improve the dynamical system denoising device and method of anti-acoustic capability.
In order to solve the above technical problems, the present invention adopts the following technical scheme that.
A kind of dynamical system denoising device comprising there is the internal shell for vacuum environment, is equipped with bottom plate in the shell,
The top of the bottom plate is equipped with plummer, is connected between the plummer and the bottom plate by spring-damper, the carrying
The top of platform is equipped with the mounting base for installing power mechanism, and the shell includes for the power mechanism output power
Interface, when power mechanism operating, the vibration that the power mechanism is generated by the elastic force of the spring-damper into
Row buffering, the noise for generating the power mechanism by the intracorporal vacuum environment of the shell obstruct within the shell.
Preferably, the interface is slinky spring pipe joint.
Preferably, valve is removably connected on the shell.
Preferably, the interface is located on the valve.
Preferably, the lower section of the bottom plate is equipped with electromagnetic coil, and the bottom plate is the bottom plate of permanent magnet material, when the electricity
Magnetic field is generated when magnetic coil powers on, by the interaction in magnetic field produced by the magnetic field of the bottom plate and electromagnetic coil, to described
The vibration of bottom plate is buffered.
Preferably, it is equipped with pedestal in the shell, offers the plunger shaft being vertically arranged, the plunger shaft on the pedestal
The interior piston equipped with ferromagnetism material, the piston is fitted close with the plunger shaft and the two is slidably connected, the piston
Upper end extends to except the plunger shaft, and the bottom plate is placed in the upper end of the piston, the lower end of the piston and the work
Plug chamber, which is formed by cavity, is loaded with magnetic fluid.
Preferably, coil accommodating cavity is offered in the piston, the electromagnetic coil is set within the coil accommodating cavity.
Preferably, the pedestal is equipped with for providing the battery of electric energy for the electromagnetic coil.
Preferably, be removably connected with magnetic fluid recyclable device on the pedestal, the magnetic fluid recyclable device with it is described
It is connected between plunger shaft by magnetic fluid pipeline, the top of the magnetic fluid recyclable device is equipped with handle.
A kind of dynamical system noise-reduction method, this method realize that it is vacuum ring that described device, which includes internal, based on a device
The shell in border, the shell is interior to be equipped with bottom plate, and the top of the bottom plate is equipped with plummer, between the plummer and the bottom plate
It is connected by spring-damper, the top of the plummer is equipped with the mounting base for installing power mechanism, and the shell includes
Have for the interface of the power mechanism output power, the lower section of the bottom plate is equipped with electromagnetic coil, and the bottom plate is permanent magnet
The bottom plate of material, the shell is interior to be equipped with pedestal, offers the plunger shaft being vertically arranged on the pedestal, sets in the plunger shaft
There is the piston of ferromagnetism material, the piston is fitted close with the plunger shaft and the two is slidably connected, the upper end of the piston
It extends to except the plunger shaft, the bottom plate is placed in the upper end of the piston, the lower end of the piston and the plunger shaft
It is formed by cavity and is loaded with magnetic fluid, which comprises when power mechanism work, enable on the electromagnetic coil
Electricity generates magnetic field, and the vibration that the power mechanism generates when operating is buffered by the elastic force of the spring-damper, meanwhile,
By the interaction in magnetic field produced by the magnetic field of the bottom plate and electromagnetic coil, the vibration of conduction to the bottom plate is delayed
Punching, secondly, the magnetic field that the electromagnetic coil generates is conducted by the piston, magnetic field and institute by the piston
The mating reaction for stating magnetic fluid buffers the vibration of conduction to the piston, in addition, by the intracorporal vacuum ring of the shell
The noise that border generates the power mechanism obstructs within the shell.
In dynamical system denoising device disclosed by the invention, when power mechanism work, the power mechanism operating
When the vibration that generates buffered by the elastic force of the spring-damper, will be described dynamic by the intracorporal vacuum environment of the shell
The noise that force mechanisms generate obstructs within the shell.Compared to existing technologies, the present invention can not only offset vibration, and energy
Completely cut off noise, substantially increases anti-acoustic capability, effectively prevent noise pollution of the power mechanism to environment, better meet and answered
Use demand.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of dynamical system denoising device of the present invention；
Fig. 2 is the structure chart of piston and pedestal.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of dynamical system denoising devices, referring to figs. 1 and 2 comprising having internal is vacuum
The shell 1 of environment, the shell 1 is interior to be equipped with bottom plate 15, and the top of the bottom plate 15 is equipped with plummer 5, the plummer 5 and institute
It states and is connected between bottom plate 15 by spring-damper 4, the top of the plummer 5 is equipped with the installation for installing power mechanism 13
Seat 19, the shell 1 include for the interface 2 of 13 output power of power mechanism, when the power mechanism 13 operating when,
It is buffered by the vibration that the elastic force of the spring-damper 4 generates the power mechanism 13, by the shell 1
The noise that vacuum environment generates the power mechanism 13 obstructs within the shell 1.
In above-mentioned apparatus, when the power mechanism 13 work, the vibration that the power mechanism 13 generates when operating passes through
The elastic force of the spring-damper 4 is buffered, and generates the power mechanism 13 by the vacuum environment in the shell 1
Noise obstructs within the shell 1.Compared to existing technologies, the present invention can not only offset vibration, and can completely cut off noise, greatly
Anti-acoustic capability is improved greatly, noise pollution of the power mechanism 13 to environment is effectively prevented, has better meet application demand.
Wherein, it can be connected by multiple spring-dampers 4 between the plummer 5 and the bottom plate 15, and then realize power
Learn balance.
The power mechanism 13 can be electric machinery equipment as a preferred method,.In practical application, the interface 2
As power output mouth, the interface for transmission shaft output can be, be also possible to the interface exported for liquid, work as utilization
When liquid transmits power, in a preferred embodiment, the interface 2 is slinky spring pipe joint.
For the ease of dismounting, in the present embodiment, valve 3 is removably connected on the shell 1.
Further, the interface 2 is located on the valve 3.
In order to further offset vibration, eliminate noise, in the present embodiment, the lower section of the bottom plate 15 is equipped with electromagnetic coil 7,
The bottom plate 15 is the bottom plate of permanent magnet material, magnetic field is generated when the electromagnetic coil 7 powers on, by the magnetic of the bottom plate 15
The interaction of field and magnetic field produced by electromagnetic coil 7, buffers the vibration of the bottom plate 15.
On this basis, it is equipped with pedestal 16 in the shell 1, offers the plunger shaft being vertically arranged on the pedestal 16
17, it is equipped with the piston 10 of ferromagnetism material in the plunger shaft 17, the piston 10 is fitted close and two with the plunger shaft 17
Person is slidably connected, and the upper end of the piston 10 extends to except the plunger shaft 17, and the bottom plate 15 is placed in the piston 10
Upper end, the lower end of the piston 10 and the plunger shaft 17, which are formed by cavity, is loaded with magnetic fluid 18.Wherein, the electricity
The magnetic field that magnetic coil 7 generates is conducted by the piston 10, magnetic field and the magnetic fluid by 10 lower end of piston
18 mating reaction buffers the vibration of conduction to the piston 10.
Further, coil accommodating cavity 29 is offered in the piston 10, the electromagnetic coil 7 is accommodated set on the coil
Within chamber 29.
In the present embodiment, the upper end that the bottom plate 15 is placed directly in the piston 10 also can use on this basis
Some devices with activity surplus are limited, for example, being installed on the upper of the piston 10 by the bolt for passing through bottom plate 15
End, while guaranteeing that bottom plate 15 has the surplus that can be slided up and down along bolt, it is a kind of applicating example, mesh with upper type
Be to be flexibly connected bottom plate 15 with the piston 10, but it is without being limited thereto in practical applications, i.e., in the prior art
Any one by the bottom plate 15 be arranged on the piston 10 and can movable mechanism, belong to protection model of the invention
It encloses.
Based on above structure, the present embodiment is using spring-damper 4,10 upper end magnetic field of piston, 10 lower end magnetic field of piston
Mating reaction carries out multi-buffer to the vibration that the power mechanism 13 generates, dramatically eliminates the power mechanism
13 vibration, and then obtain optimal anti-acoustic capability.
Further, the bottom of the plunger shaft 17 is set there are two metallic conductor binding post 8, the metallic conductor binding post
8 are electrically connected with battery 14, magnetic field and the magnetic field phase of magnetic fluid for providing magnetic field for magnetic fluid, by electromagnetic coil 7
Interaction buffers the vibration of the electromagnetic coil 7.
In the present embodiment, the pedestal 16 is equipped with for providing the battery 14 of electric energy for the electromagnetic coil 7.
In order to facilitate recycling magnetic fluid, in the present embodiment, magnetic fluid recyclable device is removably connected on the pedestal 16
9, it is connected between the magnetic fluid recyclable device 9 and the plunger shaft 17 by magnetic fluid pipeline 12, the magnetic fluid recycling
The top of device 9 is equipped with handle 11.
In order to better describe technical solution of the present invention, the invention further relates to a kind of dynamical system noise-reduction methods, please join
See Fig. 1 and Fig. 2, this method is realized based on a device, and described device includes the internal shell 1 for vacuum environment, the shell 1
Interior to be equipped with bottom plate 15, the top of the bottom plate 15 is equipped with plummer 5, passes through spring between the plummer 5 and the bottom plate 15
Damper 4 connects, and the top of the plummer 5 is equipped with the mounting base 19 for installing power mechanism 13, and the shell 1 includes
For the interface 2 of 13 output power of power mechanism, the lower section of the bottom plate 15 is equipped with electromagnetic coil 7, and the bottom plate 15 is
The bottom plate of permanent magnet material, the shell 1 is interior to be equipped with pedestal 16, offers the plunger shaft 17 being vertically arranged on the pedestal 16,
The piston 10 of ferromagnetism material is equipped in the plunger shaft 17, the piston 10 is fitted close with the plunger shaft 17 and the two is sliding
Dynamic connection, the upper end of the piston 10 extend to except the plunger shaft 17, and the bottom plate 15 is placed in the upper of the piston 10
End, the lower end of the piston 10 and the plunger shaft 17, which are formed by cavity, is loaded with magnetic fluid 18, which comprises
When the power mechanism 13 work, enables the electromagnetic coil 7 power on and generate magnetic field, the power mechanism 13 operates
When the vibration that generates buffered by the elastic force of the spring-damper 4, meanwhile, magnetic field and electromagnetism by the bottom plate 15
The interaction in magnetic field produced by coil 7 buffers the vibration of conduction to the bottom plate 15, secondly, the electromagnetic coil 7
The magnetic field of generation is conducted by the piston 10, by the magnetic field of 10 lower end of piston and the cooperation of the magnetic fluid 18
Effect buffers the vibration of conduction to the piston 10, in addition, will be described dynamic by the vacuum environment in the shell 1
The noise that force mechanisms 13 generate obstructs within the shell 1.
Dynamical system denoising device disclosed by the invention and method, beneficial effect compared with prior art be, this hair
The mode of publicly price-reduction low noise is to take noise reduction measure to the source of noise and the propagation path of noise, so that dynamical system is complete
While at operation, be also greatly reduced influence of the noise to ambient enviroment, can available energy improve people work, life matter
Amount.
The above is preferred embodiments of the present invention, is not intended to restrict the invention, all in technology model of the invention
Interior done modification, equivalent replacement or improvement etc. are enclosed, should be included in the range of of the invention protect.
Claims (10)
1. a kind of dynamical system denoising device, which is characterized in that include the internal shell (1) for vacuum environment, the shell
(1) bottom plate (15) are equipped in, the top of the bottom plate (15) is equipped with plummer (5), the plummer (5) and the bottom plate (15)
Between connected by spring-damper (4), the top of the plummer (5) is equipped with the mounting base for installing power mechanism (13)
(19), the shell (1) includes for the interface (2) of the power mechanism (13) output power, when the power mechanism
(13) it when operating, buffers, borrows by the vibration that the elastic force of the spring-damper (4) generates the power mechanism (13)
The noise for being generated the power mechanism (13) by the vacuum environment in the shell (1) obstructs within the shell (1).
2. dynamical system denoising device as described in claim 1, which is characterized in that the interface (2) is that slinky spring pipeline connects
Mouthful.
3. dynamical system denoising device as claimed in claim 2, which is characterized in that be removably connected on the shell (1)
Valve (3).
4. dynamical system denoising device as claimed in claim 3, which is characterized in that the interface (2) is located at the valve (3)
On.
5. dynamical system denoising device as described in claim 1, which is characterized in that the lower section of the bottom plate (15) is equipped with electromagnetism
Coil (7), the bottom plate (15) are the bottom plate of permanent magnet material, magnetic field are generated when the electromagnetic coil (7) powers on, by institute
The interaction for stating magnetic field produced by the magnetic field and electromagnetic coil (7) of bottom plate (15), delays the vibration of the bottom plate (15)
Punching.
6. dynamical system denoising device as claimed in claim 5, which is characterized in that pedestal (16) are equipped in the shell (1),
The plunger shaft (17) being vertically arranged is offered on the pedestal (16), and the piston of ferromagnetism material is equipped in the plunger shaft (17)
(10), the piston (10) is fitted close with the plunger shaft (17) and the two is slidably connected, and the upper end of the piston (10) is prolonged
It extends to except the plunger shaft (17), the bottom plate (15) is placed in the upper end of the piston (10), under the piston (10)
End is formed by cavity with the plunger shaft (17) and is loaded with magnetic fluid (18).
7. dynamical system denoising device as claimed in claim 6, which is characterized in that offer coil appearance in the piston (10)
It sets chamber (29), the electromagnetic coil (7) is set within the coil accommodating cavity (29).
8. dynamical system denoising device as claimed in claim 7, which is characterized in that the pedestal (16), which is equipped with, to be used for as institute
It states electromagnetic coil (7) and the battery (14) of electric energy is provided.
9. dynamical system denoising device as claimed in claim 7, which is characterized in that be removably connected on the pedestal (16)
Magnetic fluid recyclable device (9) passes through magnetic fluid pipeline (12) between the magnetic fluid recyclable device (9) and the plunger shaft (17)
It is connected, the top of the magnetic fluid recyclable device (9) is equipped with handle (11).
10. a kind of dynamical system noise-reduction method, which is characterized in that this method realizes that described device includes interior based on a device
Portion is the shell (1) of vacuum environment, is equipped with bottom plate (15) in the shell (1), and the top of the bottom plate (15) is equipped with plummer
(5), it is connect between the plummer (5) and the bottom plate (15) by spring-damper (4), the top of the plummer (5)
Equipped with the mounting base (19) for installing power mechanism (13), the shell (1) includes defeated for the power mechanism (13)
The lower section of the interface (2) of power out, the bottom plate (15) is equipped with electromagnetic coil (7), and the bottom plate (15) is permanent magnet material
Bottom plate, the shell (1) is interior to be equipped with pedestal (16), offers the plunger shaft (17) being vertically arranged on the pedestal (16), described
The piston (10) of ferromagnetism material, the piston (10) and the plunger shaft (17) tight fit and two are equipped in plunger shaft (17)
Person is slidably connected, and the upper end of the piston (10) extends to except the plunger shaft (17), and the bottom plate (15) is placed in described
The upper end of piston (10), the lower end and the plunger shaft (17) of the piston (10), which are formed by cavity, is loaded with magnetic fluid
(18), which comprises
When the power mechanism (13) work, enables the electromagnetic coil (7) power on and generate magnetic field, power mechanism (13) fortune
The vibration generated when turning is buffered by the elastic force of the spring-damper (4), meanwhile, by the magnetic field of the bottom plate (15)
With the interaction in magnetic field produced by electromagnetic coil (7), the vibration of conduction to the bottom plate (15) is buffered, secondly, institute
The magnetic field for stating electromagnetic coil (7) generation is conducted by the piston (10), by the piston (10) lower end magnetic field with
The mating reaction of the magnetic fluid (18) buffers the vibration of conduction to the piston (10), in addition, by the shell
(1) noise that the vacuum environment in generates the power mechanism (13) obstructs within the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669580.6A CN110417174B (en) | 2019-07-24 | 2019-07-24 | Noise reduction device and method for power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669580.6A CN110417174B (en) | 2019-07-24 | 2019-07-24 | Noise reduction device and method for power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110417174A true CN110417174A (en) | 2019-11-05 |
| CN110417174B CN110417174B (en) | 2024-07-09 |
Family
ID=68362670
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910669580.6A Active CN110417174B (en) | 2019-07-24 | 2019-07-24 | Noise reduction device and method for power system |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697099A (en) * | 2013-12-24 | 2014-04-02 | 武汉理工大学 | Differential magnetic suspension vibration isolator |
| KR101386902B1 (en) * | 2012-10-30 | 2014-04-18 | 제니스전장주식회사 | Damper structure of solenoid apparatus |
| CN210093034U (en) * | 2019-07-24 | 2020-02-18 | 武汉大学深圳研究院 | Noise reduction device of power system |
-
2019
- 2019-07-24 CN CN201910669580.6A patent/CN110417174B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101386902B1 (en) * | 2012-10-30 | 2014-04-18 | 제니스전장주식회사 | Damper structure of solenoid apparatus |
| CN103697099A (en) * | 2013-12-24 | 2014-04-02 | 武汉理工大学 | Differential magnetic suspension vibration isolator |
| CN210093034U (en) * | 2019-07-24 | 2020-02-18 | 武汉大学深圳研究院 | Noise reduction device of power system |
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| Publication number | Publication date |
|---|---|
| CN110417174B (en) | 2024-07-09 |
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