CN104455176A - Novel magneto-rheological elastomer decoupling membrane element - Google Patents
Novel magneto-rheological elastomer decoupling membrane element Download PDFInfo
- Publication number
- CN104455176A CN104455176A CN201410706807.7A CN201410706807A CN104455176A CN 104455176 A CN104455176 A CN 104455176A CN 201410706807 A CN201410706807 A CN 201410706807A CN 104455176 A CN104455176 A CN 104455176A
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- cover plate
- decoupling zero
- decoupling
- zero film
- upper cover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a novel magneto-rheological elastomer decoupling membrane element. The novel magneto-rheological elastomer decoupling membrane element comprises a decoupling membrane, an exciting coil, a decoupling membrane upper cover plate and a decoupling membrane lower cover plate, wherein the decoupling membrane upper cover plate and the decoupling membrane lower cover plate are each provided with holes; the decoupling membrane is fixed between the upper cover plate and the lower cover plate; the upper cover plate and the lower cover plate are made of high-magnetic-conductivity materials, and a coil device is embedded in the decoupling membrane structure. The exciting coil, the upper cover plate, the lower cover plate and a magneto-rheological elastomer membrane jointly form a closed magnetic loop. The upper cover plate and the lower cover plate are provided with decoupling holes communicated with the magneto-rheological elastomer membrane. Liquid in a hydraulic suspension makes full contact with the magneto-rheological elastomer membrane through the decoupling holes, and the magnitude of a magnetic field in the magnetic loop is adjusted by controlling the magnitude of the current of the exciting coil, so that the dynamic stiffness of the magneto-rheological elastomer membrane is controlled in real time, and the purpose of broadband vibration isolation of the hydraulic suspension is achieved. According to the novel magneto-rheological elastomer decoupling membrane element, by means of the characteristics that the storage modulus and loss factors of a magneto-rheological elastomer change along with change of the magnetic field, the stiffness damping performance of the hydraulic suspension can be effectively changed, and therefore attenuation of vibration and noise of an automobile on different working conditions can be effectively realized in real time.
Description
Technical field
The invention belongs to magnetorheological materials and applied technical field thereof, relate to a kind of decoupling-structure, particularly a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component based on magnetic rheology elastic body.
Background technique
Decoupling elements is vital parts, wish on the one hand the adverse effect that dynamic sclerosis when it can eliminate high frequency little amplitude brings, make suspension have Low rigidity characteristic, note again being on the other hand unlikely to the undue large damping function reduced when being suspended at low frequency large amplitude simultaneously.And the characteristic of the decoupling zero film of conventional hydraulic suspension decoupling elements is set, Automatic adjusument can not be carried out along with change of external conditions.Magnetic rheology elastic body is on the basis overcoming magnetorheological fluid sedimentation poor stability, have equally performance variable with magnetic field, respond the features such as rapid, therefore, the characteristic that magnetic rheology elastic body mechanical property changes with external magnetic field can be utilized, the decoupling elements that design intelligence is controlled, is applied on automobile and correlative technology field.
Summary of the invention
In order to suspend the problem of stiffness and damping performance tradeoff when solving low-and high-frequency vibration isolation, the present invention proposes a kind of novel hydraulic mount magnetic rheology elastic body decoupling elements, this decoupling elements has variation rigidity characteristic with changes of magnetic field, effectively can change the stiffness and damping performance of hydraulic mount, make the decay of automobile vibration & noise under different operating mode immediately effective.
Object of the present invention can be achieved through the following technical solutions:
A kind of novel hydraulic mount magnetic rheology elastic body decoupling elements, comprise decoupling zero film, field coil, decoupling zero film upper cover plate and decoupling zero film lower cover plate, described decoupling zero film is fixed between decoupling zero film upper cover plate and decoupling zero film lower cover plate, described field coil is wound in the coil groove between decoupling zero film upper cover plate and decoupling zero film lower cover plate, and described field coil, decoupling zero film upper cover plate, decoupling zero film lower cover plate and decoupling zero film form closed magnetic loop jointly.Described decoupling zero film upper cover plate and decoupling zero film lower cover plate all have the decoupling zero hole communicated with decoupling zero film.
Further, described decoupling elements structure is sandwich type, comprises decoupling zero film upper cover plate, decoupling zero film and decoupling zero film lower cover plate, and described decoupling zero film is circular.
Preferably, described decoupling zero film is made up of magnetic rheology elastic body.
Preferably, described decoupling zero film upper cover plate and decoupling zero film lower cover plate are high permeability material.
Further, described decoupling zero film upper cover plate and decoupling zero film lower cover plate are provided with multiple manhole.
Further, a positioning groove is provided with in described decoupling zero film upper cover plate and decoupling zero film lower cover plate, for fixing decoupling zero film.
Further, described coil groove is arranged on positioning groove outer end.
Beneficial effect of the present invention:
1, replace conventional decoupling zero film with magnetic rheology elastic body film, it is good that it has sedimentation stability, and the feature such as be swift in response, good reversibility, rigidity are adjustable under magnetic fields, can realize the object that decoupling elements wideband is controlled.
2, the liquid in hydraulic mount is contacted with magnetic rheology elastic body film by the upper and lower cover plates having manhole in decoupling elements, the magnetic rheology elastic body after controlling and liquid is interacted, thus reaches the object regulating liquid chamber dynamic stiffness; Described decoupling zero hole makes the liquid in hydraulic mount contact with magnetic rheology elastic body film, regulate the magnetic field in magnetic loop strong and weak by the size of current controlling field coil, thus control dynamic stiffness and the damping of magnetic rheology elastic body film in real time, reach the object of hydraulic mount wideband vibration isolation.
3, when under low frequency large amplitude operating mode, increase the rigidity of magnetic rheology elastic body film, the liquid in hydraulic mount is exchanged at upper and lower liquid chamber mainly through inertia channel, obtains large damping; When under the little amplitude operating mode of high frequency, easily there is viscous flow phenomenon in the liquid in liquid chamber, now reduces the rigidity of magnetic rheology elastic body film, discharged the amount of deformation of liquid chamber, can effectively alleviate dynamic hardening phenomenon by the resiliently deformable of film, reduces dynamic stiffness.
Accompanying drawing explanation
Fig. 1 is 1/4 cutting perspective view of the present invention.
Fig. 2 is sectional view of the present invention.
Fig. 3 is plan view of the present invention.
Fig. 4 is the hydraulic mount sectional view being provided with decoupling elements of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of novel hydraulic mount magnetic rheology elastic body decoupling elements, comprise circular decoupling zero film 1, decoupling zero film upper cover plate 2, decoupling zero film lower cover plate 3 and field coil 7, described decoupling zero film 1 material is magnetic rheology elastic body, decoupling zero film 1 is fixed between two cover plates by the positioning groove 5 of decoupling zero film upper cover plate 2 and decoupling zero film lower cover plate 3, decoupling zero film upper cover plate 2 and decoupling zero film lower cover plate 3 are high permeability material, two cover plates are provided with the through hole 4 of several circle, quantity is determined according to practical situations, through hole 4 is decoupling zero hole, this decoupling zero hole makes the decoupling zero film 1 of magnetic rheology elastic body fully contact with the liquid in hydraulic mount.Be provided with coil groove 6 in decoupling-structure, be wound with field coil 7 in online ring recess 6, like this, decoupling zero film upper cover plate 2, decoupling zero film lower cover plate 3, field coil 7 and decoupling zero film 1 constitute closed magnetic circuit jointly.
Fig. 4 shows the hydraulic mount sectional view being provided with decoupling elements of the present invention, comprise and be fixedly connected with frame 11, there is rubber spring 14 its upper end, metal frame 9 rubber spring is equipped with, wherein rubber spring 14 and the inner space being fixedly connected with frame 11 and rubber counterdie 15 and forming together decoupling type hydraulic mount, this space divide into upper liquid chamber 10 and lower liquid chamber 13 further, is filled with ethylene glycol in it, and a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero decoupling elements 8 is arranged in flow channel component 12.
When extraneous vibration, described decoupling zero film 1 is under the effect of externally-applied magnetic field, and cause its storage modulus and fissipation factor to change, correspondence can cause the change of its rigidity and damping, shows as magnetic field and strengthen on apparent, and hardness becomes large, field weakening, and hardness reduces.For meeting the isolation characteristics of the large damping of hydraulic mount low frequency large rigidity, the little damping of the little rigidity of high frequency, by regulating its stiffness and damping of magnetic field size adjustment being applied to the decoupling zero film of magnetorheological elastomer material, make suspension not only under low frequency large amplitude, play range of decrease effect, dynamic hardening phenomenon can also be alleviated under the little amplitude of high frequency, improve the isolation characteristics of stoste hydraulic suspension, realize the Intelligent adjustment of hydraulic mount wideband vibration isolation.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (7)
1. a novel hydraulic mount magnetic rheology elastic body decoupling elements, comprise decoupling zero film, field coil, decoupling zero film upper cover plate and decoupling zero film lower cover plate, it is characterized in that: described decoupling zero film is fixed between decoupling zero film upper cover plate and decoupling zero film lower cover plate, described field coil is wound in the coil groove between decoupling zero film upper cover plate and decoupling zero film lower cover plate, described field coil, decoupling zero film upper cover plate, decoupling zero film lower cover plate and decoupling zero film form closed magnetic loop jointly, and described decoupling zero film upper cover plate and decoupling zero film lower cover plate all have the decoupling zero hole communicated with decoupling zero film.
2. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, it is characterized in that, described decoupling elements structure is sandwich type, comprises decoupling zero film upper cover plate, decoupling zero film and decoupling zero film lower cover plate, and described decoupling zero film is circular.
3. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, it is characterized in that, described decoupling zero film is made up of magnetic rheology elastic body.
4. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, it is characterized in that, described decoupling zero film upper cover plate and decoupling zero film lower cover plate are high permeability material.
5. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, it is characterized in that, described decoupling zero film upper cover plate and decoupling zero film lower cover plate are provided with multiple manhole.
6. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, is characterized in that, be provided with a positioning groove, for fixing decoupling zero film in described decoupling zero film upper cover plate and decoupling zero film lower cover plate.
7. a kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component according to claim 1, it is characterized in that, described coil groove is arranged on positioning groove outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706807.7A CN104455176B (en) | 2014-11-27 | 2014-11-27 | Magneto-rheological elastomer decoupling membrane element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410706807.7A CN104455176B (en) | 2014-11-27 | 2014-11-27 | Magneto-rheological elastomer decoupling membrane element |
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| CN104455176A true CN104455176A (en) | 2015-03-25 |
| CN104455176B CN104455176B (en) | 2017-02-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485242A (en) * | 2016-01-20 | 2016-04-13 | 衢州职业技术学院 | Magneto-rheological suspension device |
| US20190092155A1 (en) * | 2017-09-27 | 2019-03-28 | Honda Motor Co., Ltd. | Active damper |
| CN110701236A (en) * | 2019-10-23 | 2020-01-17 | 吉林大学 | Semi-active control engine mount of magnetorheological elastomer and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1258650A2 (en) * | 2001-05-16 | 2002-11-20 | Delphi Technologies, Inc. | Hydraulic mount with magnetorheological fluid |
| US20050173211A1 (en) * | 2004-02-10 | 2005-08-11 | Hopkins Patrick N. | Reversed decoupler assembly for MR mount |
| EP1586790A1 (en) * | 2004-04-16 | 2005-10-19 | Delphi Technologies, Inc. | Magnetorheological-fluid hydraulic mount |
| CN201144995Y (en) * | 2007-12-20 | 2008-11-05 | 比亚迪股份有限公司 | Active control type engine hydraulic suspension apparatus |
| CN104088955A (en) * | 2014-07-03 | 2014-10-08 | 重庆大学 | Engine magneto-rheological hydraulic mount based on mixed mode |
| CN204677675U (en) * | 2014-11-27 | 2015-09-30 | 安徽微威胶件集团有限公司 | A kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component |
-
2014
- 2014-11-27 CN CN201410706807.7A patent/CN104455176B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1258650A2 (en) * | 2001-05-16 | 2002-11-20 | Delphi Technologies, Inc. | Hydraulic mount with magnetorheological fluid |
| US20050173211A1 (en) * | 2004-02-10 | 2005-08-11 | Hopkins Patrick N. | Reversed decoupler assembly for MR mount |
| EP1586790A1 (en) * | 2004-04-16 | 2005-10-19 | Delphi Technologies, Inc. | Magnetorheological-fluid hydraulic mount |
| CN201144995Y (en) * | 2007-12-20 | 2008-11-05 | 比亚迪股份有限公司 | Active control type engine hydraulic suspension apparatus |
| CN104088955A (en) * | 2014-07-03 | 2014-10-08 | 重庆大学 | Engine magneto-rheological hydraulic mount based on mixed mode |
| CN204677675U (en) * | 2014-11-27 | 2015-09-30 | 安徽微威胶件集团有限公司 | A kind of New Magnetic Field Controlled magnetorheological elastomer decoupling zero membrane component |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485242A (en) * | 2016-01-20 | 2016-04-13 | 衢州职业技术学院 | Magneto-rheological suspension device |
| US20190092155A1 (en) * | 2017-09-27 | 2019-03-28 | Honda Motor Co., Ltd. | Active damper |
| CN109555811A (en) * | 2017-09-27 | 2019-04-02 | 本田技研工业株式会社 | Active damping device |
| US10836244B2 (en) * | 2017-09-27 | 2020-11-17 | Honda Motor Co., Ltd. | Active damper |
| CN110701236A (en) * | 2019-10-23 | 2020-01-17 | 吉林大学 | Semi-active control engine mount of magnetorheological elastomer and control method thereof |
| CN110701236B (en) * | 2019-10-23 | 2023-12-29 | 吉林大学 | Semi-active control engine suspension of magnetorheological elastomer and control method thereof |
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| CN104455176B (en) | 2017-02-01 |
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