CN107255136A - Intelligent current becomes elastomer shock absorber - Google Patents
Intelligent current becomes elastomer shock absorber Download PDFInfo
- Publication number
- CN107255136A CN107255136A CN201710284907.9A CN201710284907A CN107255136A CN 107255136 A CN107255136 A CN 107255136A CN 201710284907 A CN201710284907 A CN 201710284907A CN 107255136 A CN107255136 A CN 107255136A
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- CN
- China
- Prior art keywords
- conductive plate
- coil
- vibrating arm
- insulation crust
- shock absorber
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- 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.)
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Classifications
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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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/532—Electrorheological [ER] fluid dampers
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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
- F16F9/3207—Constructional features
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Become elastomer shock absorber, including insulation crust, vibrating arm, permanent magnetism oscillator, coil, coil rack, two pieces of conductive plates and electrorheological elastomer the invention provides a kind of Intelligent current;The top of described insulation crust is provided with a through hole, and vibrating arm passes through the through hole;The upper and lower ends of permanent magnetism oscillator are equipped with spring, are enclosed on the centre of vibrating arm;Coil is arranged in the annular groove of the coil rack in insulation crust inner chamber, and the two ends of coil are connected with upper conductive plate and lower conductive plate respectively;Upper conductive plate, lower conductive plate and electrorheological elastomer are arranged in the inner chamber of insulation crust, and electrorheological elastomer is located between upper conductive plate and lower conductive plate;Insulating paper is provided between vibrating arm and upper conductive plate;Present invention employs the electromagnetic induction principle that permanent magnetism oscillator vibrates generation in coil, a stronger electric field is provided for electrorheological elastomer, the suppression to vibration is realized in the damping produced under the electric field using electrorheological elastomer.
Description
Technical field
The present invention relates to a kind of shock absorber, elastomer shock absorber is become particularly with regard to a kind of Intelligent current.
Background technology
At present, in terms of mechanical vibration damping, most common main or traditional air pressure and hydraulic buffer, although such subtracts
The device that shakes can realize damping effect using the characteristic of gas and liquid, but have the disadvantage to need the quality parts such as sensor to coordinate,
Sealing requirements to system are high, damp uncontrollable;And hydraulic oil easily leakage causes environmental pollution.
A series of electric/magnetic rheological shock absorber for the adaptive dampings studied recently, although with being swift in response, damping force it is controllable
Property strong advantage, but have the disadvantage configured electric/magnetic rheological liquid free settling, sealing property requires high, and needs outer power up mostly
Source provides electric energy etc. to electric/magnetic rheological liquid, and volume is more huge, complicated, cost is high and adaptive ability is poor, these shortcomings
It significantly limit the development of such a adaptive transmission control.
In recent years some shock absorbers, such as the number of applying for a patent, one kind disclosed in CN201410013002.4 Chinese patent is electric
Rheology formula torsional vibration damper, this shock absorber is the damping controllability based on ER fluid to reach vibration damping purpose, felt by changing
The size of induced current makes it have good effectiveness in vibration suppression to change the damping force of ER fluid.But the shortcoming of this shock absorber is to need
Additional power source and control system are wanted, volume is big, and sealing requirements are high, and ER fluid is easily revealed, free settling etc..
The content of the invention
In order to solve the above-mentioned technical problem, there is self energizing the invention provides one kind, damp adjustable, willing intelligence
Can electrorheological elastomer shock absorber, the shock absorber does not need additional power source to provide electric energy, small volume, simple in construction;And the vibration damping
Device does not contain hydraulic oil, low to sealing requirements.
The technical solution adopted by the present invention is:Including insulation crust, vibrating arm, permanent magnetism oscillator, coil, coil rack, on
Conductive plate, lower conductive plate and electrorheological elastomer;The top of described insulation crust is provided with a through hole, and vibrating arm is passed through should
Through hole;The upper and lower ends of described permanent magnetism oscillator are equipped with spring, are enclosed on the centre of vibrating arm;Described coil rack is annular,
Coil rack is located between vibrating arm and insulation crust, and the outer wall of coil rack is provided with annular groove, and described coil is installed
In annular groove, the two ends of coil are connected with upper conductive plate and lower conductive plate respectively;Described upper conductive plate, under
Conductive plate and electrorheological elastomer are arranged in insulation crust inner chamber;Described electrorheological elastomer be located at upper conductive plate and
Between lower conductive plate, insulating paper is provided between upper conductive plate and vibrating arm.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described insulation crust includes upper insulating lid and insulator foot,
Upper insulating lid is connected by screw with insulator foot, and the top center of upper insulating lid is provided with a through hole.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described vibrating arm bottom is provided with flange, positioned at insulation crust
It is interior, insulating paper is provided between flange and upper conductive plate.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described permanent magnetism oscillator upper and lower ends are provided with spring, are enclosed on and shake
The centre of lever, permanent magnetism oscillator and spring are located between vibrating arm flange and shell inner cavity top surface.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described coil rack is located in the flange and shell of vibrating arm
Between the top surface of chamber, coil rack sticks at upper insulating lid inwall by nylon glue;Described coil encircling is in coil rack
In annular groove.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described insulation crust inwall is provided with connecting groove, coil two
The wire being connected with upper conductive plate and lower conductive plate is held to be located in connecting groove.
Above-mentioned Intelligent current becomes in elastomer shock absorber, and described upper conductive plate and lower conductive plate are by copper coin system
Into.
Compared with prior art, the beneficial effects of the invention are as follows:
1)The electromagnetic induction principle that the present invention vibrates generation using permanent magnetism oscillator in coil generates electricity, it is not necessary to additional power source, production
Raw voltage is high to provide stronger electric field well for the electrorheological elastomer of the present invention, realize the intelligence of the present invention
Property.
2)The damping material of the present invention uses electrorheological elastomer, and electrorheological elastomer not only inherits ER fluid
In the case where applying electric field, the rapid and reversible transformation of rheological behavior, variable damping, electrodeless control, physical and chemical performance are stablized, to ring
The advantages of border is pollution-free, and shaping structures are convenient, overcome the shortcomings of ER fluid particle free settling, electrical breakdown, Er Qieben
Invention does not contain hydraulic oil, to shock absorber sealing performance requirement low, it is to avoid hydraulic oil leakage pollution on the environment.
3)The damping material of the present invention uses electrorheological elastomer, and the intrinsic frequency of electrorheological elastomer is with outer power-up
The increase of field intensity and increase, and vibratory response amplitude is reduced with the increase of electric-field intensity, by two pieces above and below change
Electric-field intensity between conductive plate, can change rigidity and the damping of electrorheological elastomer so that the present invention can preferably adapt to shake
Rotating ring border, realizes the suppression to vibration.
Brief description of the drawings
Fig. 1 is sectional view of the invention
Specific implementation method
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes insulation crust, vibrating arm 1, permanent magnetism oscillator 3, coil 5, coil rack 6, upper conduction
Pole plate 8, lower conductive plate 11 and electrorheological elastomer 9;Described insulation crust includes insulating lid 4 upper absolutely and insulator foot 10,
Upper insulating lid 4 is connected by screw with insulator foot 10, and a through hole is provided with the top center of described upper insulating lid 4, described
Vibrating arm 1 pass through the through hole;The bottom of vibrating arm 1 is provided with flange, and the upper end of vibrating arm 1 is connected with vibration end;Vibrating arm 1
Spring 2 and permanent magnetism oscillator 3 are provided between flange and the inner chamber top surface of insulation crust, spring 2 and permanent magnetism oscillator 3 are enclosed on vibrating arm
It is middle.
Described coil 5, coil rack 6, upper conductive plate 8, lower conductive plate 11 and electrorheological elastomer 10 is arranged on
In insulation crust inner chamber, described coil rack 6 is bonded at by nylon glue on the inwall of upper insulating lid 4, the described ring of coil 5
On the annular groove for being wound on coil rack 6, it is placed between the flange of vibrating arm 1 and the inner chamber top surface of insulation crust.
Described upper conductive plate 8, lower conductive plate 11 and electrorheological elastomer 9 be placed in the bottom surface of insulation crust inner chamber with
Between the flange of vibrating arm 1, insulating paper 7 is provided between the flange of vibrating arm 1 and upper conductive plate 8, upper conductive plate 8 is led with
It is provided with electrorheological elastomer 9 between battery lead plate 11, upper conductive plate 8 and lower conductive plate 11 pass through wire and coil 5 respectively
Two ends are connected, and wire is placed in the connecting groove that insulation crust inwall is provided with.Described electrorheological elastomer 9 be with starch,
Prepared by barium titanate, silicone oil and silicon rubber.
In use, being connected by vibrating arm 1 with external vibration end, vibrational energy is directly passed to permanent magnetism oscillator 3, permanent magnetism oscillator
3 up-down vibrations, the magnetic induction line of permanent magnetism oscillator 3 is cut by coil 4 and produces induced voltage, and upper conductive plate is delivered to by wire
8 and lower conductive plate 11, the voltage that the electromagnetic induction phenomenon of permanent magnetism oscillator 3 and coil 4 is produced is high, can be well the present invention
Electrorheological elastomer 9 stronger electric field is provided.And damping material uses electrorheological elastomer 9, electrorheological elastomer 9
Intrinsic frequency increases with the increase of electric field strength, and vibratory response amplitude reduces with the increase of electric-field intensity,
By changing upper electric field level between conductive plate 8 and lower conductive plate 11, rigidity and the resistance of electrorheological elastomer 9 can be changed
Buddhist nun so that the present invention better adapts to vibration environment, realizes the suppression to vibration.Adopted between upper insulating lid 4 and insulator foot 10
With mode connects for screw, internal each part is fixed up.
In use, vibrating arm 1 is connected into external vibration end, and insulator foot 10 is fixed up.External vibration end
Vibration passes to permanent magnetism oscillator 3 by vibrating arm 1, and partial vibration can be converted into electric energy by permanent magnetism oscillator 3 and coil 5, to electricity
Magnetorheological elastomer 9 provides electric field, and other vibrational energies can then be consumed by rigidity and the adjustable electrorheological elastomer 9 of damping.When
The electromagnetic induction effect enhancing of extraneous vibration effect enhancing, then permanent magnetism oscillator 3, the voltage enhancing of output, so as to become bullet to electric current
Property body 9 inducing action enhancing, i.e. the damping of electrorheological elastomer 9 becomes big, and damping effect enhancing, the suppression vibrated to external world is made
With also strengthening;Anyway, vibration weakening is worked as, the induced voltage reduction that permanent magnetism oscillator 3 is produced, the damping that electrorheological elastomer 9 is produced
Reduce, effectiveness in vibration suppression weakens.This operation principle realizes the closed-loop control system controlled from external vibration to vibration damping so that subtract
The device that shakes can be automatically adjusted, and realize intelligentized control method.The present invention substitutes the power supply of outside using permanent magnetism oscillator 3 and coil 5, makes
Damper structure is simple;It is simultaneously low to seal request, it is to avoid hydraulic oil leakage pollution on the environment.
Claims (7)
1. a kind of Intelligent current becomes elastomer shock absorber, it is characterized in that:Including insulation crust, vibrating arm, permanent magnetism oscillator, coil,
Coil rack, upper conductive plate, lower conductive plate and electrorheological elastomer;Described insulation crust top center is led to provided with one
Hole, vibrating arm passes through the through hole;The upper and lower ends of described permanent magnetism oscillator are equipped with spring, are enclosed on the centre of vibrating arm;Described
Coil rack is annular, and coil rack is located between vibrating arm and insulation crust, and the outer wall of coil rack is provided with annular groove,
Described coil is arranged in annular groove, and the two ends of coil are connected with upper conductive plate and lower conductive plate respectively;It is described
Upper conductive plate, lower conductive plate and electrorheological elastomer be arranged on insulation crust inner chamber in;Described electrorheological elastomer
Between upper conductive plate and lower conductive plate, insulating paper is provided between upper conductive plate and vibrating arm.
2. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:Described insulation crust includes upper exhausted
Edge lid and insulator foot, upper insulating lid are connected by screw with insulator foot, and the top center of upper insulating lid is provided with a through hole.
3. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:The lower end of described vibrating arm is provided with
Flange, in insulation crust, is provided with insulating paper between flange and upper conductive plate.
4. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:Described permanent magnetism oscillator upper and lower ends
Provided with spring, the centre of vibrating arm is enclosed on, permanent magnetism oscillator and spring are located between vibrating arm flange and the top surface of shell inner cavity.
5. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:Described coil rack is located at vibration
Between the flange of bar and the top surface of shell inner cavity, coil rack sticks at upper insulating lid inwall by nylon glue;Described coil
It is looped around in the annular groove of coil rack.
6. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:Set on described insulation crust inwall
There is connecting groove, the wire that coil two ends are connected with upper conductive plate and lower conductive plate is located in connecting groove.
7. Intelligent current as claimed in claim 1 becomes elastomer shock absorber, it is characterized in that:Described upper conductive plate is led with
Battery lead plate is made up of copper coin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710284907.9A CN107255136A (en) | 2017-04-27 | 2017-04-27 | Intelligent current becomes elastomer shock absorber |
Applications Claiming Priority (1)
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CN201710284907.9A CN107255136A (en) | 2017-04-27 | 2017-04-27 | Intelligent current becomes elastomer shock absorber |
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Publication Number | Publication Date |
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CN107255136A true CN107255136A (en) | 2017-10-17 |
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ID=60027888
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CN201710284907.9A Pending CN107255136A (en) | 2017-04-27 | 2017-04-27 | Intelligent current becomes elastomer shock absorber |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396496A (en) * | 2020-03-24 | 2020-07-10 | 太原理工大学 | Electrorheological elastomer shock absorber with self-coupling function |
CN113586660A (en) * | 2021-08-12 | 2021-11-02 | 重庆大学 | Modularized quasi-zero rigidity vibration isolation structure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2531169Y (en) * | 2001-04-13 | 2003-01-15 | 西北工业大学 | Multi-pole plate current damping-changing hinge |
CN201166084Y (en) * | 2008-03-18 | 2008-12-17 | 中国矿业大学 | Current liquid changing rotary damper |
CN102278410A (en) * | 2011-06-03 | 2011-12-14 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
CN104154169A (en) * | 2014-07-18 | 2014-11-19 | 湘潭大学 | Self-powered electrorheological elastomer damper |
CN204755714U (en) * | 2015-05-07 | 2015-11-11 | 江苏大学 | From adjustable vibration damper of energizing quantity damping |
-
2017
- 2017-04-27 CN CN201710284907.9A patent/CN107255136A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2531169Y (en) * | 2001-04-13 | 2003-01-15 | 西北工业大学 | Multi-pole plate current damping-changing hinge |
CN201166084Y (en) * | 2008-03-18 | 2008-12-17 | 中国矿业大学 | Current liquid changing rotary damper |
CN102278410A (en) * | 2011-06-03 | 2011-12-14 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
CN104154169A (en) * | 2014-07-18 | 2014-11-19 | 湘潭大学 | Self-powered electrorheological elastomer damper |
CN204755714U (en) * | 2015-05-07 | 2015-11-11 | 江苏大学 | From adjustable vibration damper of energizing quantity damping |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396496A (en) * | 2020-03-24 | 2020-07-10 | 太原理工大学 | Electrorheological elastomer shock absorber with self-coupling function |
CN113586660A (en) * | 2021-08-12 | 2021-11-02 | 重庆大学 | Modularized quasi-zero rigidity vibration isolation structure |
CN113586660B (en) * | 2021-08-12 | 2022-05-03 | 重庆大学 | Modularized quasi-zero rigidity vibration isolation structure |
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