CN109138207A - A kind of electric regenerative eddy current damper - Google Patents
A kind of electric regenerative eddy current damper Download PDFInfo
- Publication number
- CN109138207A CN109138207A CN201811148743.8A CN201811148743A CN109138207A CN 109138207 A CN109138207 A CN 109138207A CN 201811148743 A CN201811148743 A CN 201811148743A CN 109138207 A CN109138207 A CN 109138207A
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- inner cylinder
- mass block
- fixed
- eddy current
- magnet
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of electric regenerative eddy current damper, including an outer cylinder, a ball screw assembly, groove and mass block are equipped in the outer cylinder.Ball screw assembly, include a screw rod, nut and several ball sets at.Circulation canal is formed between the screw portion and nut, is provided with ball.Nut periphery is fixed with several steel plates, and lower part of steel plate is equipped with the damping cavity being fixed on outer tube end plate.It is equipped with magnet inside the damping cavity, there are for the gap by steel plate between the magnetic pole interlaced arrangement and adjacent magnets of magnet, is wound with hot-wire coil on magnet.Screw rod one end is fixed with rigid rod, and the other end of rigid rod is fixed on the outer wall of groove.Inside grooves are equipped with mass block, arrange that vertical direction is equipped with guide rod with screw rod, through-hole and both ends of the guide rod in the middle part of mass block are fixed on groove inner wall.The inside grooves be equipped with spring, and both ends be separately fixed on groove inner wall and mass block on.
Description
Technical field
The invention belongs to the vibration control fields of civil engineering, and in particular to a kind of electric regenerative eddy current damper,
It is mainly used in the vibratory response of control skyscraper and tall and slender structure.
Technical background
Traditional Structural Strength Design Method resists external force by enhancing structure itself drag.Not with science and technology
Disconnected progress, the ability that the mankind resist various natural calamities are continuously improved, and vibration control technology is building structure aseismatic neck in recent years
A new research hotspot in domain, it is the antivibration energy for carrying out enhancing structure by using structural vibration control theory and method
Power.
Whether structural vibration control technology needs extra power that can be divided into according to the control measure taken: passive control,
Active control and semi- active control.Common passive control mode has seismic isolation technology, absorbing technology and energy consumption technology.Passive control
Have many advantages, such as without extra power, simple structure and there is good effectiveness in vibration suppression, is widely used in engineering.
But corresponding adjustment can not be made according to the situation of change of vibration for it and adaptability is poor.Active control mode mainly has master
Dynamic tuning quality control system, active tendon control system and aerodynamic attachment system etc..It is made by calculating driving in real time
Dynamic device applies certain influence to control target, achievees the purpose that intelligent control structural vibration.But active control manufacturing technology is multiple
It is miscellaneous, it involves great expense, application range is relatively small.
Semi- active control only need to input a small amount of energy can be realized with control effect similar in active control, and construct
It is relatively easy, cost economic, therefore be with a wide range of applications.Wherein, eddy current damper utilizes electromagnetic induction principle, leads
Body is in cutting magnetic induction line in variation magnetic field, causes magnetic flux that will change, so that generating current vortex hinders conductor and magnetic
The energy of the damping force of field relative motion, final structure vibration will be dissipated with heat.Eddy current damper does not change controlled knot
The dynamic characteristics of structure, while without the concern for the sealing problem of liquid medium in viscous damper or MR damper.In the past
For eddy current damper, in order to increase considerably the damping force of damper offer, it is strong magnetic field can be increased by wound around coil
Spend the purpose to realize half active intelligent control structural vibration.But this method needs to configure external power supply, so that damper
Design and construction difficulty greatly increase.
Summary of the invention
It is an object of the present invention to provide a kind of electric regenerative eddy current dampers, it is intended to reduce skyscraper or tall and slender structure
Horizontal vibration response under wind load and geological process, achievees the purpose that passive energy dissipation.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of electric regenerative eddy current damper, including an outer cylinder are equipped with a ball-screw in the outer cylinder
An a secondary, inner cylinder I and inner cylinder II；
One end of the ball screw assembly, is connected to the inner cylinder I, and the other end is hanging；In the nut of screw pair
Outer ring is equipped with multiple steel plates；The both ends of nut are fixedly connected equipped with electricity generation module, and electricity generation module is made of rotor and stator；Rotor
It is made of permanent magnet and rotor rim；The rotor outer periphery is stator core, and stator core is equipped with stator winding, and described determines
Stator casing is fastenedly connected with outside sub- iron core, rotor and stator casing endface are equipped with plane bearing, so that nut band turn
Axial displacement will not occur when son rotation；Stator casing is equipped with wire outlet, and conducting wire stretches out external be fixed on by wire outlet
The rectifier of inner cylinder II outer wall, the rectifier are connect with the battery that outside is added；The battery and acceleration passes
Sensor, controller and hot-wire coil form series control circuit；The acceleration transducer is fixed on controlled structures.
The inner cylinder II inner hollow forms damping cavity, and inner cylinder II is located at below the steel plate, and inner cylinder II is fixed on
It is connected on outer tube end plate with stator casing；It is equipped with magnet inside the damping cavity, the magnetic pole interlaced arrangement of magnet and adjacent magnetic
There are for the gap by steel plate between iron, hot-wire coil is wound on magnet
Setting is equipped with mass block and guide rod in the inner cylinder I, the guide rod it is horizontally disposed and with screw rod axis
Vertically, through-hole and both ends of the guide rod in the middle part of mass block are fixed on inner cylinder I inner wall；The both ends of mass block pass through
Spring is connected with inner cylinder I.
Further technical solution are as follows: the outer cylinder is made of stainless steel insulating materials, to inside under open-air atmosphere
Device plays a protective role.
Further technical solution are as follows: the steel plate is conductor, and material can be copper or aluminium.The spring is by intelligent material
Material marmem is made.
Further technical solution are as follows: the mass block bottom is equipped with directional wheel, and mass block is existed along guide rod
It is moved freely in the horizontal direction vertical with screw rod axis.The bottom of the inner cylinder I also is provided with directional wheel so that mass block and
Inner cylinder I can be moved along lead screw axis direction.
Further technical solution are as follows: the steel plate is provided with multi-turn, and every circle is uniformly arranged multiple.
Working principle of the present invention is as follows:
Outer cylinder horizontal axis direction can be divided into X to and Y-direction；Direction where defining ball-screw axis is X-direction；With rolling
The vertical direction of ballscrew axis is Y-direction；The damper is fixed on to the top of skyscraper or tall and slender structure.In earthquake or
Under wind action, main structure is vibrated.When the vibration of axis X direction occurs for main structure, mass block is due to inertia belt
Action-oriented bar moves on horizontal X direction simultaneously with inner cylinder I, and inner cylinder I is mobile to pull screw rod on horizontal X direction by rigid rod
It is subjected to displacement.Due to the limitation for the stator casing being fixed on damping cavity wall, nut and rotor are rotated.On nut periphery
Fixed steel plate rotates in magnet gap, and the continuous cutting magnetic induction line of steel plate causes magnetic flux in steel plate to change, and generates electricity
Vortex inhibits nut velocity of rotation and slows down the axial movement of screw rod, the final purpose for realizing control structure vibration.Meanwhile rotor
Electric generator structure is directly driven with stator composition internal rotor, when the rotor rotates, the power generation of stator winding cutting magnetic induction line generates electric current, electricity
Electric energy is stored in battery by stream after being fixed on the rectifier rectification of inner cylinder II outer wall.Acceleration transducer receives
The vibration signal of main structure simultaneously passes to controller, and controller controls in hot-wire coil according to the size of structural vibration acceleration
Size of current, increase magnetic field strength in real time and improve output damping force, further suppress the horizontal vibration of main structure.
When the vibration of axis Y-direction occurs for main structure, mass block is moved in inner cylinder I due to inertia along guide rod
It is dynamic.Mass block is mobile to cause spring to occur to stretch or compress, and spring provides a resistance opposite with the direction of motion to mass block
Buddhist nun's power, and then realize the purpose of control main structure vibration.After vibration, since having for marmem is good
Deformation can recovery capability, the vibration absorber after work is restored to reset condition, avoids influencing workability when application next time
Energy.
The beneficial effects of the present invention are:
(1) present invention is converted into the high speed rotation of damping component using the horizontal vibration of ball-screw adjutant main structure,
There is higher linkage efficiency compared to traditional gearing.When vibration occurs, steel plate and the magnet of two sides relatively rotate,
Current vortex is generated in steel plate, increases the working efficiency of vibration absorber.
(2) present invention utilizes electromagnetic induction principle, and conductor moves the variation for leading to magnetic flux in magnetic field, generates current vortex
Finally dissipated in the form of heat.The magnetizing direction for the coil being arranged outside magnet and the magnetic direction of magnet are identical, so that
Magnetic field strength can adjust in real time according to the intensity of vibration.Meanwhile in unregulated power for seasonable, damper can also be normal
Work.
(3) present invention is rotated by nut drives rotor to relatively rotate with stator, generates electricity and deposits after over commutation
Storage is in battery.Electric current is exported to hot-wire coil according to structural vibration size, increasing magnetic field provides damper more
Big damping force realizes energy regenerating on the basis of not influencing damper original damping property.
(4) present invention uses intellectual material marmem, using its significant superelastic effect, shakes in main structure
Damping force needed for providing when dynamic, restores to the original state vibration absorber after vibration, avoids work when influencing application next time
Performance.
(5) present invention utilizes self-powered intelligent power control technology, keeps its vibration control effect close with active control effect,
And have, the good advantage such as cost economic simple with structure compared with active control, with good economic efficiency and social effect
Benefit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Fig. 1 is a kind of top view of electric regenerative eddy current damper；
Fig. 2 is a kind of main view of electric regenerative eddy current damper；
Fig. 3 is a kind of A-A sectional view of electric regenerative eddy current damper；
Fig. 4 is a kind of B-B sectional view of electric regenerative eddy current damper；
Fig. 5 is a kind of C-C sectional view of electric regenerative eddy current damper；
Fig. 6 is a kind of damping cavity structural map of electric regenerative eddy current damper；
Fig. 7 is a kind of control circuit schematic diagram of electric regenerative eddy current damper
In figure, 1 outer cylinder, 2 inner cylinder I, 3 mass blocks, 4 guide rods, 5 springs, 6 screw rods, 7 nuts, 8 balls, 9 steel plates, 10 is flat
Spherical bearing, 11 rigid rods, 12 permanent magnets, 13 stator winding, 14 stator casings, 15 directional wheels I, 16 directional wheels II, 17 rotor magnetic
Yoke, 18 stator cores, 19 inner cylinder II, 20 magnet, 21 rectifiers, 22 electricity generation modules, 23 batteries, 24 acceleration transducers, 25
Controller, 26 hot-wire coils.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As background technique is introduced, semi- active control only needs to input a small amount of energy and can be realized in the prior art
With control effect similar in active control, and relatively easy, cost economic is constructed, therefore is with a wide range of applications.Wherein,
Eddy current damper utilizes electromagnetic induction principle, and conductor is in cutting magnetic induction line in variation magnetic field, causes magnetic flux that will occur
Variation, to generate the damping force that current vortex hinders conductor and magnetic field relative motion, the energy of final structure vibration will be with heat
It dissipates.Eddy current damper does not change the dynamic characteristics of controlled structure, while without the concern for viscous damper or magnetorheological
The sealing problem of liquid medium in damper.It is directed to eddy current damper, in the past in order to increase considerably the resistance of damper offer
Buddhist nun's power can increase magnetic field strength by wound around coil to realize the purpose of half active intelligent control structural vibration.But it is this
Method needs to configure external power supply, so that the design and construction difficulty of damper greatly increase, in order to which the technology for solving as above is asked
Topic, present applicant proposes a kind of electric regenerative eddy current dampers.
In a kind of typical embodiment of the application, as shown in Figure 1, a kind of electric regenerative eddy current damper, packet
Include 1, ball screw assembly, of an outer cylinder, an inner cylinder I 2 and an inner cylinder II 19.Ball screw assembly, includes a screw rod
6, nut 7 and several balls 8 form.Circulation canal is formed between 6 part of screw rod and nut 7, is provided with ball 8.Outside nut 7
It is equipped with steel plate 9 week, 9 lower part of steel plate is equipped with the inner cylinder II 19 being fixed on 1 bottom plate of outer cylinder, and 19 inner hollow of inner cylinder II forms resistance
Buddhist nun's chamber, damping cavity inside are equipped with magnet 20, and there are pass through steel plate 9 between the magnetic pole interlaced arrangement of magnet 20 and adjacent two magnet 20
Gap, be wound with hot-wire coil on magnet 20.One end of screw rod 6 is equipped with rigid rod 11, another end face of rigid rod 11 is solid
Surely it is connected on 2 side wall of inner cylinder I；The other end of screw rod 6 is hanging.
As shown in Figure 1, it is horizontal X direction that definition, which is parallel to 6 axis direction of screw rod, it is water perpendicular to 6 axis direction of screw rod
Flat Y-direction.It puts mass block 4 in inner cylinder I 2, runs through through-hole along horizontal Y-direction inside mass block 3, inside is equipped with guide rod 4,
The both ends of guide rod 4 are fixed on the inner wall of inner cylinder I 2.Inside inner cylinder I 2 along horizontal Y-direction be equipped with spring 5,5 liang of spring
End is separately fixed on 2 inner wall of mass block 3 and inner cylinder I.3 bottom of mass block is equipped with directional wheel I 15, allows 3 edge of mass block
Guide rod 4 moves horizontally in inner cylinder I 2.2 bottom inner cylinder I also is provided with directional wheel II 16, so that inner cylinder I2 and internal structure can
To be moved on horizontal X direction.
7 both ends of nut are fixedly connected equipped with electricity generation module 22, and electricity generation module 22 is made of rotor and stator.Rotor is by permanent magnetism
Body 12 and rotor rim 17 form.Rotor outer periphery is stator core 18, and stator core 18 is equipped with stator winding 13, stator core
Stator casing 14 is fastenedly connected with outside 18, rotor and 14 endface of stator casing are equipped with plane bearing 10, so that nut 7 drives
When rotating axial displacement will not occur for rotor.Stator casing 14 is fixed with 19 outer wall of inner cylinder II.Stator casing 14 is equipped with conducting wire
Outlet, conducting wire stretch out the external rectifier 21 for being fixed on 19 outer wall of inner cylinder II, the rectifier 21 and outside by wire outlet
The battery 23 added connects.The battery 23 and 26 groups of acceleration transducer 24, controller 25 and hot-wire coil bunchiness
Join control circuit.The acceleration transducer 24 is fixed on controlled structures.
Outer cylinder is made of stainless steel insulating materials, plays a protective role under open-air atmosphere to interior arrangement.
Steel plate is conductor, and material can be copper or aluminium.The spring is made by intellectual material marmem.
Mass block bottom is equipped with directional wheel, enables mass block along guide rod in the horizontal direction vertical with screw rod axis
It moves freely.The bottom of the inner cylinder I also is provided with directional wheel, enables mass block and inner cylinder I along lead screw axis direction
It moves.
The damper is fixed on to the top of skyscraper or tall and slender structure.Under earthquake or wind action, main body knot
Structure vibrates.When the vibration of axis X direction occurs for main structure, mass block 3 is same with inner cylinder I2 due to inertia belt action-oriented bar 4
When moved on horizontal X direction, inner cylinder I2 is mobile to pull screw rod 6 to be subjected to displacement on horizontal X direction by rigid rod 11.Due to
It is fixed on the limitation of the stator casing 14 on damping cavity wall, nut 7 and rotor rotate.Fixed steel on 7 periphery of nut
Plate 9 rotates in 20 gap of magnet, and the continuous cutting magnetic induction line of steel plate 9 causes magnetic flux in steel plate 9 to change, and generates current vortex
Inhibit 7 velocity of rotation of nut and slows down the axial movement of screw rod 6, the final purpose for realizing control structure vibration.Meanwhile rotor with
Stator composition internal rotor directly drives electric generator structure, and when the rotor rotates, the power generation of 13 cutting magnetic induction line of stator winding generates electric current, electricity
Electric energy is stored in battery by stream after being fixed on the rectifier rectification of inner cylinder II outer wall.Acceleration transducer receives
The vibration signal of main structure simultaneously passes to controller, and controller controls in hot-wire coil according to the size of structural vibration acceleration
Size of current, increase magnetic field strength in real time and improve output damping force, further suppress the horizontal vibration of main structure.
When the vibration of axis Y-direction occurs for main structure, mass block 3 occurs in inner cylinder I2 due to inertia along guide rod 4
It is mobile.Mass block 3 is mobile to cause spring 5 to occur to stretch or compress, and spring 5 provides one and direction of motion phase to mass block 4
Anti- damping force, and then realize the purpose of control main structure vibration.After vibration, due to having for marmem
Good deformation can recovery capability, the vibration absorber after work is restored to reset condition, when avoiding influencing application next time
Working performance.
The damper is converted into the high speed rotation of damping component, phase using the horizontal vibration of ball-screw adjutant's main structure
There is higher linkage efficiency than traditional gearing.And electromagnetic induction principle is utilized, when vibration occurs, steel plate and two sides
Magnet relatively rotates, and steel plate moves the variation for leading to magnetic flux in magnetic field, and generation current vortex is finally in the form of heat
It dissipates.The magnetizing direction for the coil being arranged outside magnet and the magnetic direction of magnet are identical, allow magnetic field strength according to
The intensity of vibration and adjust in real time.Meanwhile in unregulated power for seasonable, damper also be can work normally.
The damper directly drives electric generator structure using the internal rotor of rotor and stator composition, generates electricity and deposits after over commutation
Storage is in battery.Electric current is exported to hot-wire coil according to structural vibration size, increasing magnetic field provides damper more
Big damping force realizes energy regenerating on the basis of not influencing damper original damping property.
The present invention utilizes self-powered intelligent power control technology, keeps its vibration control effect close with active control effect, and
There are, the good advantage such as cost economic simple with structure, with good economic efficiency and social benefit compared with active control.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (6)
1. a kind of electric regenerative eddy current damper, which is characterized in that including an outer cylinder, be equipped with one in the outer cylinder
Ball screw assembly, an inner cylinder I and an inner cylinder II；
One end of the ball screw assembly, is connected to the inner cylinder I, and the other end is hanging；In the nut outer ring of screw pair
Equipped with multiple steel plates；The both ends of nut are fixed with electricity generation module, and electricity generation module is made of rotor and stator.Rotor is by permanent magnet
It is formed with rotor rim；The rotor outer periphery is stator core, and stator core is equipped with stator winding, outside the stator core
Portion is fastenedly connected with stator casing, and rotor and stator casing endface are equipped with plane bearing, when so that nut driving rotor rotation
Axial displacement will not occur；Stator casing is equipped with wire outlet, and conducting wire stretches out external be fixed on outside inner cylinder II by wire outlet
The rectifier of wall, the rectifier are connect with the battery that outside is added.The battery and acceleration transducer, control
Device and hot-wire coil form series control circuit；The acceleration transducer is fixed on controlled structures；
The inner cylinder II inner hollow forms damping cavity, and inner cylinder II is located at below the steel plate, and inner cylinder II is fixed on outer cylinder
It is connected on bottom plate with stator casing；Magnet is equipped with inside the damping cavity, between the magnetic pole interlaced arrangement and adjacent magnets of magnet
There are for the gap by steel plate, hot-wire coil is wound on magnet；
Setting is equipped with mass block and guide rod in the inner cylinder I, and the guide rod is horizontally disposed and vertical with screw rod axis,
Through-hole and both ends of the guide rod in the middle part of mass block are fixed on inner cylinder I inner wall；The both ends of mass block pass through spring
It is connected with inner cylinder I.
2. a kind of electric regenerative eddy current damper as described in claim 1, which is characterized in that the outer cylinder is by stainless
Steel insulating materials is made, and plays a protective role under open-air atmosphere to interior arrangement.
3. a kind of electric regenerative eddy current damper as described in claim 1, which is characterized in that the steel plate is to lead
Body, material can be copper or aluminium.The spring is made by intellectual material marmem.
4. a kind of electric regenerative eddy current damper as described in claim 1, which is characterized in that the mass block bottom
Equipped with directional wheel, mass block is moved freely along guide rod in the horizontal direction vertical with screw rod axis；Described is interior
The bottom of cylinder I also is provided with directional wheel, and mass block and inner cylinder I are moved along lead screw axis direction.
5. a kind of electric regenerative eddy current damper as described in claim 1, which is characterized in that the steel plate is provided with
Multi-turn, every circle are uniformly arranged multiple.
6. a kind of electric regenerative eddy current damper as described in claim 1, which is characterized in that the pole N of the magnet and S
Pole is located on vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148743.8A CN109138207B (en) | 2018-09-29 | 2018-09-29 | Energy recovery type eddy current damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148743.8A CN109138207B (en) | 2018-09-29 | 2018-09-29 | Energy recovery type eddy current damper |
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| CN109138207A true CN109138207A (en) | 2019-01-04 |
| CN109138207B CN109138207B (en) | 2020-01-21 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499836A (en) * | 2019-09-20 | 2019-11-26 | 大连理工大学 | Self-resetting tuned mass damper based on current vortex and marmem technology |
| CN110528719A (en) * | 2019-09-20 | 2019-12-03 | 大连理工大学 | A kind of coupling beam shear displacemant scale-up version eddy current damper |
| CN110984418A (en) * | 2020-01-13 | 2020-04-10 | 东南大学 | Adjustable ultra-low frequency vertical eddy current tuned mass damper |
| WO2020177045A1 (en) * | 2019-03-04 | 2020-09-10 | 大连理工大学 | Axial displacement amplification-type eddy current damper |
| CN111719725A (en) * | 2020-05-18 | 2020-09-29 | 长江大学 | Building vibration suppression and energy recovery device based on electromagnetic damping |
| CN111827514A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Eddy current damping wall and building |
| CN115596808A (en) * | 2022-12-12 | 2023-01-13 | 天津飞旋科技股份有限公司（Cn） | Rotor, air compressor and fuel cell system |
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