CN110417174A - A kind of dynamical system denoising device and method - Google Patents

A kind of dynamical system denoising device and method Download PDF

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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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CN
China
Prior art keywords
bottom plate
shell
piston
power mechanism
plunger shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910669580.6A
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Chinese (zh)
Inventor
杨晓峰
吴林锟
肖贝尧
许之昕
陈逸凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Research Institute of Wuhan University
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Shenzhen Research Institute of Wuhan University
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Application filed by Shenzhen Research Institute of Wuhan University filed Critical Shenzhen Research Institute of Wuhan University
Priority to CN201910669580.6A priority Critical patent/CN110417174A/en
Publication of CN110417174A publication Critical patent/CN110417174A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/03Suppression 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

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  • 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)
  • 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

A kind of dynamical system denoising device and method
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).
CN201910669580.6A 2019-07-24 2019-07-24 A kind of dynamical system denoising device and method Pending CN110417174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910669580.6A CN110417174A (en) 2019-07-24 2019-07-24 A kind of dynamical system denoising device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910669580.6A CN110417174A (en) 2019-07-24 2019-07-24 A kind of dynamical system denoising device and method

Publications (1)

Publication Number Publication Date
CN110417174A true CN110417174A (en) 2019-11-05

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CN201910669580.6A Pending CN110417174A (en) 2019-07-24 2019-07-24 A kind of dynamical system denoising device and method

Country Status (1)

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CN (1) CN110417174A (en)

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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