CN109559731A - Magnetostriction noise reduction components - Google Patents
Magnetostriction noise reduction components Download PDFInfo
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- CN109559731A CN109559731A CN201710876261.3A CN201710876261A CN109559731A CN 109559731 A CN109559731 A CN 109559731A CN 201710876261 A CN201710876261 A CN 201710876261A CN 109559731 A CN109559731 A CN 109559731A
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- magnetostriction
- magnetic field
- noise reduction
- alternating magnetic
- reduction components
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- 230000009467 reduction Effects 0.000 title claims abstract description 79
- 230000006698 induction Effects 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 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 7
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention discloses magnetostriction noise reduction components, comprising: fixes bracket, has mounting portion on the fixed bracket；Part occurs for alternating magnetic field, and the alternating magnetic field occurs part and is arranged on the fixed bracket, and the alternating magnetic field occurs part and is suitable for generating alternating magnetic field；Magnetostriction piece, the magnetostriction piece are arranged on the fixed bracket, and are suitable for incuding the alternating magnetic field and the magnetic field of part part generation occurs and generates sound wave and offset noise sound wave.The magnetostriction noise reduction components carry out noise reduction to household electrical appliance by the way of active noise reduction, and noise reduction effect is obvious.
Description
Technical field
The present invention relates to household appliance technical fields, specifically, the present invention relates to magnetostriction noise reduction components.
Background technique
For household electrical appliance while providing convenient for people's daily life, the noise generated can cause a variety of danger to human body
Evil.However, the noise reduction mode of household electrical appliance is mainly passive noise reduction at present, the noise reduction effect of which is not obvious.
Therefore, the means for carrying out noise reduction to household electrical appliance still have much room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose magnetostriction noise reduction components.The magnetostriction noise reduction components are by the way of active noise reduction to household electric
Device carries out noise reduction, and noise reduction effect is obvious.
In one aspect of the invention, the invention proposes a kind of magnetostriction noise reduction components.Implementation according to the present invention
Example, which includes: fixed bracket, has mounting portion on the fixed bracket；Part, institute occur for alternating magnetic field
It states alternating magnetic field and part setting occurs on the fixed bracket, the alternating magnetic field occurs part and is suitable for generating alternating magnetic field；Mangneto
Stretchable sheet, the magnetostriction piece are arranged on the fixed bracket, and are suitable for incuding the alternating magnetic field and occur what part generated
Magnetic field and generate sound wave and offset noise sound wave.
According to an embodiment of the invention, the magnetostriction noise reduction components are by occurring part according to household electric using alternating magnetic field
Device inside and outside noise situation generates magnetic field, and then the magnetic field generation and noise that part generates occur according to alternating magnetic field for magnetostriction piece
Frequency is equal and the sound wave of opposite in phase achievees the purpose that active noise reduction so that noise sound wave be offset.Using the magnetostriction
Noise reduction components carry out noise reduction to household electrical appliance, and noise reduction effect is obvious, also, relative to traditional metal vibration plate, of the invention
Mechanical fatigue will not be generated in the vibration of magnetostriction piece, and without providing excessive oscillation space.
In addition, magnetostriction noise reduction components according to the above embodiment of the present invention can also have following additional technology special
Sign:
In some embodiments of the invention, part occurs for the alternating magnetic field suitable for generating the alternating magnetic field changed at random.
In some embodiments of the invention, the magnetostriction noise reduction components further comprise: noise sound wave acquisition dress
It sets, the noise sound wave acquisition device, which is suitable for controlling the alternating magnetic field according to collected noise sound wave, occurs part generation accordingly
Alternating magnetic field.
In some embodiments of the invention, the magnetostriction piece is oppositely arranged with alternating magnetic field generation part, and
Positioned at described support bracket fastened the same side or opposite two sides.It is generated quickly thus, it is possible to further increase magnetostriction piece
The frequency of the sound wave of high-frequency vibration improves noise reduction effect.
In some embodiments of the invention, it is that part and IH occurs selected from electric coil, electromagnetism that part, which occurs, for the alternating magnetic field
One of coil panel.Thus, it is possible to further increase the applicability of magnetostriction noise reduction components.
In some embodiments of the invention, it is magnetic induction coating, the magnetic induction coating that part, which occurs, for the alternating magnetic field
It is formed on a support bracket fastened surface, is combined together, mentions with fixed bracket so that part occurs for alternating magnetic field
The globality and stability of high-magnetostriction noise reduction components.
In some embodiments of the invention, the magnetostriction piece and the fixed bracket clamping or plug connection.
So that the more convenient disassembly of magnetostriction piece or replacement, while can be with easy to clean, raising magnetostriction noise reduction group
The cleaning efficiency of part.
In some embodiments of the invention, the magnetostriction piece is parallel with the support bracket fastened surface, and with institute
The distance for stating fixed rack surface is 0.5~3mm.So that the installation of magnetostriction piece is more firm, while mangneto being avoided to stretch
Contracting piece brush up against fixed bracket when vibrating under magnetic fields and influence generate sound wave frequency, influence noise reduction effect.
In some embodiments of the invention, the magnetic induction coating with a thickness of 0.2~2.0mm.It is possible thereby to generate
Enough magnetic field.
In some embodiments of the invention, described support bracket fastened with a thickness of 1.0~3.5mm.It is possible thereby to further
It improves
In some embodiments of the invention, the mounting portion is formed in the support bracket fastened top and/or bottom end.By
This can be further improved the installability of magnetostriction noise reduction components.
In some embodiments of the invention, the mounting portion includes: hook, and the hook is formed in the fixed bracket
Top；Pedestal, the pedestal are formed in the support bracket fastened bottom end.It is possible thereby to further increase magnetostriction noise reduction group
Stability after part installation.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the side cross-sectional, view of magnetostriction noise reduction components according to an embodiment of the invention；
Fig. 2 is the top cross-sectional view of magnetostriction noise reduction components according to an embodiment of the invention；
Fig. 3 is the internal anatomy of the magnetostriction noise reduction components of further embodiment according to the present invention；
Fig. 4 is the rearview of the magnetostriction noise reduction components of further embodiment according to the present invention；
Fig. 5 is the side view of the magnetostriction noise reduction components of further embodiment according to the present invention；
Fig. 6 is the front view of the magnetostriction noise reduction components of further embodiment according to the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In one aspect of the invention, the invention proposes a kind of magnetostriction noise reduction components.Implementation according to the present invention
Example, with reference to Fig. 1~6, which includes: fixed bracket 100, alternating magnetic field generation part 200 and magnetostriction
Piece 300.Wherein, there is mounting portion on fixed bracket 100；The setting of part 200 occurs for alternating magnetic field on fixed bracket 100, alternation
Magnetic field occurs part 200 and is suitable for generating alternating magnetic field；The setting of magnetostriction piece 300 is suitable for induction alternation on fixed bracket 100
Magnetic field occurs the magnetic field that part 200 generates and generates sound wave and offset noise sound wave.
According to an embodiment of the invention, the magnetostriction noise reduction components are by occurring part according to household electric using alternating magnetic field
Device inside and outside noise situation generates magnetic field, and then the magnetic field generation and noise that part generates occur according to alternating magnetic field for magnetostriction piece
Frequency is equal and the sound wave of opposite in phase achievees the purpose that active noise reduction so that noise sound wave be offset.Using the magnetostriction
Noise reduction components carry out noise reduction to household electrical appliance, and noise reduction effect is obvious, also, relative to traditional metal vibration plate, of the invention
Mechanical fatigue will not be generated in the vibration of magnetostriction piece, and without providing excessive oscillation space.
It is described in detail below with reference to Fig. 1~6 pair magnetostriction noise reduction components according to an embodiment of the present invention:
According to an embodiment of the invention, there is mounting portion on fixed bracket 100.According to a particular embodiment of the invention, pacify
Dress portion can be formed in the top and/or bottom end of fixed bracket 100.Thus pacifying for magnetostriction noise reduction components is further increased
Dress property.Specifically, magnetostriction noise reduction components may be adapted in the equipment for being mounted on any required noise reduction, or be useful in any
It needs in the environment of noise reduction, and then can eliminate or offset noise present in the noise or environment of equipment generation.
According to an embodiment of the invention, mounting portion may include hook 110 and pedestal 120.Wherein, hook 110 is formed in
The top of fixed bracket 100；Pedestal 120 is formed in the bottom end of fixed bracket 100, and can be on hook 110 and pedestal 120
Double-sided adhesive is set, to be fixed.
According to a particular embodiment of the invention, support bracket fastened thickness can be 1.0~3.5mm.It thus is magnetostriction
Noise reduction components provide stable matrix, while improving the quality of magnetostriction noise reduction components.
According to an embodiment of the invention, the setting of part 200 occurs for alternating magnetic field on fixed bracket 100, alternating magnetic field occurs
Part 200 is suitable for generating magnetic field.According to a particular embodiment of the invention, part and peripheral control unit occur for alternating magnetic field (in attached drawing not
Show) it is connected, peripheral control unit can detecte the noise parameters in analysis electric appliance inside and outside or environment, by analysis and trigger
Part 200 occurs for alternating magnetic field, and alternating magnetic field occurs part 200 and generates changing magnetic field, and magnetostriction piece 300 receives the magnetic of transformation
Vibration identical as the noise spectrum and opposite in phase is generated after, and active noise reduction is achieved the effect that with offset noise.
According to a particular embodiment of the invention, part occurs for alternating magnetic field suitable for generating the alternating magnetic field changed at random.
According to a particular embodiment of the invention, magnetostriction noise reduction components of the invention can further include: noise
Sound collecting device.The noise sound wave acquisition device can occur part with alternating magnetic field and be connected, and be suitable for being made an uproar according to collected
Sound sound wave controlled alternating magnetic field occurs part and generates corresponding alternating magnetic field.And then magnetostriction piece can receive the alternating magnetic field
Vibration identical as the noise sound wave frequency spectrum and opposite in phase is generated afterwards, and active noise reduction is achieved the effect that with offset noise.
According to a particular embodiment of the invention, it can be that part and IH occurs selected from electric coil, electromagnetism that part, which occurs, for alternating magnetic field
One of coil panel.Thus, it is possible to further increase the applicability of magnetostriction noise reduction components.
According to a particular embodiment of the invention, as shown in Figure 3 and Figure 4, it can be magnetic induction coating that part, which occurs, for alternating magnetic field,
And magnetic induction coating can be formed on a support bracket fastened surface, so that part and fixed bracket knot occur for alternating magnetic field
It is combined, improves the globality and stability of magnetostriction noise reduction components.
According to a particular embodiment of the invention, the thickness of above-mentioned magnetic induction coating can be 0.2~2.0mm.It is possible thereby to
Generate enough magnetic field.
According to a particular embodiment of the invention, as shown in Figure 3 and Figure 4, magnetic induction coating has pole pad 210 and cathode
Pad 220, pole pad 210 and cathode pad 220 can be connected by electric wire 230 with peripheral control unit, when work, outside
Portion's controller passes through the noise parameters for testing and analyzing out equipment inside and outside or the noise parameters in environment, by analysis and issues
The magnetic induction coating on fixed bracket is given in corresponding magnetic field, and the magnetostriction piece 300 being fixed on fixed bracket 100 receives to receive variation
Magnetic field after generate that frequency spectrum is identical but the sound wave of opposite in phase reaches active noise reduction with offset noise.
According to an embodiment of the invention, magnetostriction piece 300 is arranged on fixed bracket 100, and it is suitable for induction alternation magnetic
Field occurs the magnetic field that part 200 generates and generates sound wave and offset noise sound wave.Specifically, magnetostriction piece can be according to alternation magnetic
Occur that part generates deformation occurs in magnetic field, by deformation generation sound wave identical and opposite in phase as noise frequency of sound wave, from
And it realizes to the active noise reduction in household electrical appliance or environment.
According to a particular embodiment of the invention, the sound wave that magnetostriction piece 300 generates may be random wave or any
Wave, as long as the frequency from noise sound wave is different.It is possible thereby to achieve the effect that upset noise wave, achieve the purpose that noise reduction.
According to a particular embodiment of the invention, magnetostriction piece 300 can connect with the fixed clamping of bracket 100 or grafting
It connects.So that the more convenient disassembly of magnetostriction piece 300, replacement and cleaning.
According to a particular embodiment of the invention, magnetostriction piece 300 can be fixed on fixed bracket 100 by buckle 130
On, as shown in Figures 2 and 3, buckle 130 is formed in 100 on fixed bracket, and magnetostriction piece 300 is formed with to be clasped with this
Holding section 310, magnetostriction piece 300 is engaged by holding section 310 with buckle 130, and then is fixed on fixed bracket 100.
The fixed form is simple, easily disassembled, and then is conveniently replaceable magnetostriction piece 300, or carries out to magnetostriction noise reduction components
Cleaning.
According to a particular embodiment of the invention, magnetostriction piece 300 can be parallel with the fixed surface of bracket 100, and with
The distance on fixed 100 surface of bracket is 0.5~3mm.Thus, it is possible to avoid magnetostriction piece 300 in deformation and fixed bracket
Extrusion and collision occurs, and then the high-frequency vibration for influencing magnetostriction piece generates sound wave, influences noise reduction effect.
According to a particular embodiment of the invention, magnetostriction piece 300 can be oppositely arranged with alternating magnetic field generation part 200,
Thus with alternating magnetic field part 200 being occurred for magnetostriction piece 300 can be oppositely arranged, and can make magnetostriction piece 300 always
Alternating magnetic field is in occur to make magnetostriction piece 300 that stronger magnetostrictive vibration occur in the region in the magnetic field that part 200 generates
It is dynamic, and then the sound wave that magnetostriction piece 300 generates quick high-frequency vibration can be further increased, to improve noise reduction effect.
According to a particular embodiment of the invention, with alternating magnetic field part 200, which can occur, for magnetostriction piece 300 can be set
The same side or opposite two sides of fixed bracket 100.It specifically can according to need selection setting the same side or opposite
Two sides.
According to an embodiment of the invention, the magnetostriction noise reduction components are by occurring part according to household electric using alternating magnetic field
Device inside and outside noise situation generates magnetic field, and then the magnetic field generation and noise that part generates occur according to alternating magnetic field for magnetostriction piece
Frequency is equal and the sound wave of opposite in phase achievees the purpose that active noise reduction so that noise sound wave be offset.Using the magnetostriction
Noise reduction components carry out noise reduction to household electrical appliance, and noise reduction effect is obvious, also, relative to traditional metal vibration plate, of the invention
Mechanical fatigue will not be generated in the vibration of magnetostriction piece, and without providing excessive oscillation space.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of magnetostriction noise reduction components characterized by comprising
Bracket is fixed, there is mounting portion on the fixed bracket；
Part occurs for alternating magnetic field, and the alternating magnetic field occurs part and is arranged on the fixed bracket, and part occurs for the alternating magnetic field
Suitable for generating alternating magnetic field；
Magnetostriction piece, the magnetostriction piece are arranged on the fixed bracket, and are suitable for incuding the alternating magnetic field and occur
Magnetic field that part generates and generate sound wave and offset noise sound wave.
2. magnetostriction noise reduction components according to claim 1, which is characterized in that the alternating magnetic field occurs part and is suitable for producing
The raw alternating magnetic field changed at random.
3. magnetostriction noise reduction components according to claim 1, which is characterized in that further comprise: noise sound wave acquisition
Device, the noise sound wave acquisition device are suitable for controlling the alternating magnetic field according to collected noise sound wave and part generation phase occur
The alternating magnetic field answered.
4. magnetostriction noise reduction components according to claim 1, which is characterized in that the magnetostriction piece and the alternation
Magnetic field occurs part and is oppositely arranged, and is located at described support bracket fastened the same side or opposite two sides.
5. magnetostriction noise reduction components according to claim 2, which is characterized in that the alternating magnetic field occur part be selected from
One of part and IH coil panel occur for electric coil, electromagnetism.
6. magnetostriction noise reduction components according to any one of claims 1 to 5, which is characterized in that the alternating magnetic field
Generation part is magnetic induction coating, and the magnetic induction coating is formed on a support bracket fastened surface.
7. magnetostriction noise reduction components according to claim 1, which is characterized in that the magnetostriction piece and the fixation
Bracket clamping or plug connection.
8. magnetostriction noise reduction components according to claim 1, which is characterized in that the magnetostriction piece and the fixation
The surface of bracket is parallel, and is 0.5~3mm at a distance from the fixed rack surface.
9. magnetostriction noise reduction components according to claim 6, which is characterized in that the magnetic induction coating with a thickness of
0.2~2.0mm.
10. magnetostriction noise reduction components according to claim 1, which is characterized in that described support bracket fastened with a thickness of 1.0
~3.5mm.
11. magnetostriction noise reduction components according to claim 1, which is characterized in that the mounting portion is formed in described solid
The top and/or bottom end of fixed rack.
12. magnetostriction noise reduction components according to claim 11, which is characterized in that the mounting portion includes:
Hook, the hook are formed in the support bracket fastened top；
Pedestal, the pedestal are formed in the support bracket fastened bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876261.3A CN109559731B (en) | 2017-09-25 | 2017-09-25 | Magnetostriction noise reduction assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876261.3A CN109559731B (en) | 2017-09-25 | 2017-09-25 | Magnetostriction noise reduction assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109559731A true CN109559731A (en) | 2019-04-02 |
| CN109559731B CN109559731B (en) | 2023-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876261.3A Active CN109559731B (en) | 2017-09-25 | 2017-09-25 | Magnetostriction noise reduction assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN109559731B (en) |
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|---|---|---|---|---|
| GB2228778A (en) * | 1989-01-28 | 1990-09-05 | Continental Ag | A motor vehicle engine mounting |
| WO1995024171A1 (en) * | 1994-03-07 | 1995-09-14 | Noise Cancellation Technologies, Inc. | Integral device for active control of noise in ducts |
| JPH1140442A (en) * | 1997-07-17 | 1999-02-12 | Aichi Electric Co Ltd | Soundproof device for stationary induction electric equipment |
| CN102308117A (en) * | 2009-02-10 | 2012-01-04 | 西门子公司 | Damping system and method for eliminating torsion vibrations |
| TW201319403A (en) * | 2011-11-09 | 2013-05-16 | Asia Vital Components Co Ltd | Oil-retaining bearing fan device |
| CN203882608U (en) * | 2014-06-04 | 2014-10-15 | 上海兰宝环保科技有限公司 | A magnetic induced shrinkage or elongation noise eliminating apparatus |
| CN206178120U (en) * | 2016-08-29 | 2017-05-17 | 南京理工大学 | Reduce magnetism electric sensor sensing element of vibration noise |
| CN106710583A (en) * | 2016-12-27 | 2017-05-24 | 杭州老板电器股份有限公司 | Active-vibration control method for controlling noise of range hood |
| CN106807615A (en) * | 2017-01-18 | 2017-06-09 | 清华大学 | Magnetostriction longitudinal-torsional composite ultrasonic vibration transducer |
| CN107044505A (en) * | 2017-06-06 | 2017-08-15 | 哈尔滨工业大学 | Based on ultra-magnetic telescopic with quartzy cycloid Compound cooling mechanism every micro- vibrating device |
-
2017
- 2017-09-25 CN CN201710876261.3A patent/CN109559731B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2228778A (en) * | 1989-01-28 | 1990-09-05 | Continental Ag | A motor vehicle engine mounting |
| WO1995024171A1 (en) * | 1994-03-07 | 1995-09-14 | Noise Cancellation Technologies, Inc. | Integral device for active control of noise in ducts |
| JPH1140442A (en) * | 1997-07-17 | 1999-02-12 | Aichi Electric Co Ltd | Soundproof device for stationary induction electric equipment |
| CN102308117A (en) * | 2009-02-10 | 2012-01-04 | 西门子公司 | Damping system and method for eliminating torsion vibrations |
| TW201319403A (en) * | 2011-11-09 | 2013-05-16 | Asia Vital Components Co Ltd | Oil-retaining bearing fan device |
| CN203882608U (en) * | 2014-06-04 | 2014-10-15 | 上海兰宝环保科技有限公司 | A magnetic induced shrinkage or elongation noise eliminating apparatus |
| CN206178120U (en) * | 2016-08-29 | 2017-05-17 | 南京理工大学 | Reduce magnetism electric sensor sensing element of vibration noise |
| CN106710583A (en) * | 2016-12-27 | 2017-05-24 | 杭州老板电器股份有限公司 | Active-vibration control method for controlling noise of range hood |
| CN106807615A (en) * | 2017-01-18 | 2017-06-09 | 清华大学 | Magnetostriction longitudinal-torsional composite ultrasonic vibration transducer |
| CN107044505A (en) * | 2017-06-06 | 2017-08-15 | 哈尔滨工业大学 | Based on ultra-magnetic telescopic with quartzy cycloid Compound cooling mechanism every micro- vibrating device |
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|---|---|
| CN109559731B (en) | 2023-11-24 |
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