CN107869200A - A kind of half active eddy-current damping wall - Google Patents
A kind of half active eddy-current damping wall Download PDFInfo
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- CN107869200A CN107869200A CN201710858694.6A CN201710858694A CN107869200A CN 107869200 A CN107869200 A CN 107869200A CN 201710858694 A CN201710858694 A CN 201710858694A CN 107869200 A CN107869200 A CN 107869200A
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- eddy
- current damping
- wall
- main structure
- damping wall
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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
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- Architecture (AREA)
- Business, Economics & Management (AREA)
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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a kind of half active eddy-current damping wall, it is made up of eddy-current damping wall, acceleration transducer and controller, wherein：Eddy-current damping wall by steel plate, safeguard that wall, lower buttress, upper buttress, permanent magnet, actuator, conductor plate and magnetic conductive board form.The half active eddy-current damping wall of the present invention can respond when earthquake occurs according to the instantaneous acceleration of each floor of main structure, adjust the size of eddy-current damping power in real time, strengthen the energy-dissipating and shock-absorbing effect of eddy-current damping wall, reduce the response of main structure.The present invention replaces traditional viscous damping with eddy-current damping, it is possible to increase damps the stability and durability of wall, simplifies the design of damping wall.The big I of damping force of the present invention is changed the spacing distance between conductor plate and permanent magnet blocks by actuator to change in real time, to improve the damping effect of eddy-current damping wall.
Description
Technical field
The invention belongs to earthquake resistant engineering field, is specially a kind of half active eddy-current damping wall.
Background technology
Earthquake is the natural calamity of serious threat people life property safety.Traditional building structure is by the way of " anti-"
Defend earthquake.This way is not only uneconomical, but also may amplify geological process on the contrary.Seismic energy dissipation structure is emerging one
Kind supports earthquake-resistant structure type, by setting energy-consuming shock absorber in building structure, when coming earthquake, and energy-dissipating and shock-absorbing dress
Put can a large amount of earthquake energies, reduce the seismic energy that bears of structure, ensure the safety of building structure with this.
Traditional viscous damping wall provides additional damping using hydraulic pressure fluid linking damper, while damping is provided, also can
There is certain rigidity, can not accomplish that rigidity is kept completely separate with what is damped, influence design analysis.Moreover, hydraulic pressure fluid linking damper is also deposited
Oil leak, be not easy to conserve, the later stage is difficult to regulation the problems such as, increase the difficulty and cost of maintenance.Eddy-current damping is that hydraulic pressure is sticked
The big innovation of the one of stagnant damping.The principle of eddy-current damping is conductor mass cutting magnetic induction line in motion, according to faraday's electricity
Magnetic induction principle, induced electromotive force will be produced in conductor, form current vortex, convert vibrational energy into the heat of conductor,
So as to realize vibration control.The advantage of eddy-current damping is：Do not contacted directly between magnet and conductor, no frictional damping and
Abrasion；Do not influenceed by environment such as temperature；In the absence of situations such as oil leaks, easy to maintain and good endurance.
Semi- active control is a kind of emerging structural vibration control form.Semi- active control passes through attached in seismic isolation device
Add control system, to improve the control effect of seismic isolation device, both can guarantee that safety of the building structure under geological process, have again
The advantages of external world in need provides little energy, and stability is high.
The content of the invention
It is of the prior art above-mentioned scarce to overcome it is an object of the invention to provide a kind of half active eddy-current damping wall
Point, under geological process, it can in real time gather and analyze the instantaneous acceleration response of each floor of main structure, control actuator regulation electricity
Eddy current damping power, to change the damping of whole eddy-current damping wall, damping effect is improved, ensures the safety of main structure.
To achieve the above object, the present invention uses following technical scheme：
A kind of half active eddy-current damping wall, by 4 groups of main structure 1, eddy-current damping wall 2, acceleration transducer 3 and controller
Into, wherein：
The eddy-current damping wall 2 by steel plate 5, safeguard wall 6, lower buttress 7, upper buttress 8, permanent magnet 9, actuator 10, conductor plate
11 and magnetic conductive board 12 form；In the upper buttress 8 of the one end of steel plate 5 insertion, the other end is uniformly distributed on the lower top of buttress 7, steel plate 5
There is permanent magnet 9, the both sides of steel plate 5 are provided with conductor plate 11, and the opposite side of conductor plate 11 is connected with magnetic conductive board 12, conductor plate 11 and magnetic conductive board
The lower top of buttress 7 is fixed in 12 one end；Magnetic conductive board 12 and actuator 10 are affixed, and the lower both sides of buttress 7, which are fixed with, safeguards wall 6, safeguard
The lower top of buttress 7 is fixed in the one end of wall 6；Eddy-current damping wall 2 is fixed between two layers of the floor of main structure 1, and the side of main structure 1 is set
Acceleration transducer 3 is put, controller 4 is arranged in main structure 1, and controller 4 connects acceleration transducer 3 and actuator respectively
10；Controller 4 controls the side-to-side movement of actuator 10, changes the spacing distance between conductor plate 11 and permanent magnet 9, is changed with this
The size of eddy-current damping power；During generation earthquake, with conductor plate 11 relative motion occurs for permanent magnet 9, is produced in conductor plate 11
Vortex electricity heating earthquake energy.
In the present invention, the top of the upper buttress 8 is connected with the bottom of the upper floor of main structure 1, the bottom of lower buttress 7
It is connected with the top of the bottom floor of main structure 1.
In the present invention, the lateral of 1 each floor of main structure is mounted on acceleration transducer 3, each acceleration sensing
Device 3 is all connected with controller 4.
In the present invention, the controller 4 can gather the lateral acceleration of 1 each floor of main structure in real time when earthquake occurs
Signal is spent, and controls the motion of actuator 10 in real time according to the acceleration signal received.
In the present invention, the part acting as inside protection for safeguarding wall, the material for safeguarding wall can be concrete or block
It is any in body etc..
In the present invention, the material of the permanent magnet can be rare earth permanent-magnetic material, SmCo, NI-G cobalt or ferrite permanent-magnet materials
It is any in；The material of the conductor plate can be copper, aluminium etc.；The material of the magnetic conductive board can be any in iron, cadmium or cobalt etc.
Kind.
In the present invention, the operating range scope of actuator 10 is 2 ~ 20mm.
Compared with prior art, the present invention has following advantageous effects：
The active eddy-current damping wall of one kind half of the present invention, under geological process, can in real time gather and analyze each floor of main structure
Instantaneous acceleration, control actuator regulation eddy-current damping power, to change the damping of whole eddy current damper wall, raising subtracts
Effect is shaken, ensures the safety of main structure.
Brief description of the drawings
Fig. 1 is the active eddy-current damping wall front view of one kind half of the present invention；
Fig. 2 is the eddy-current damping wall front view of the present invention；
Fig. 3 is the eddy-current damping wall side view of the present invention；
Label in figure：1- main structures, 2- eddy-current damping walls, 3- acceleration transducers, 4- controllers, 5- steel plates, 6- safeguard wall,
Buttress under 7-, the upper buttresses of 8-, 9- permanent magnets, 10- actuator, 11- conductor plates, 12- magnetic conductive boards.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1：As shown in Figure 1 to Figure 3, the active eddy-current damping wall of one kind half of the invention by eddy-current damping wall 2,
Acceleration transducer 3 and controller 4 form, wherein：
The eddy-current damping wall 2 by steel plate 5, safeguard wall 6, lower buttress 7, upper buttress 8, permanent magnet 9, actuator 10, conductor plate
11 and magnetic conductive board 12 form.
The acceleration transducer 3 is installed on the lateral of 1 each floor of main structure.
The controller 4 can gather the lateral acceleration signal of 1 each floor of main structure in real time when earthquake occurs, control
The motion of actuator 4 processed.
The eddy-current damping wall 2 is installed between the adjacent layer floor of main structure 1.
The upper buttress 8 is connected with upper floor, and lower buttress 7 is connected with bottom floor.In the upper buttress 8 of the insertion of steel plate 5, forever
Magnet 9 is adsorbed on steel plate 5.In conductor plate 11 and the embedded lower buttress 7 of magnetic conductive board 12.
During generation earthquake, with conductor plate 11 relative motion occurs for permanent magnet 9, and vortex electricity heating is produced in conductor plate 11 and is disappeared
Consume seismic energy.
The magnetic conductive board 12 is fixed on the lateral of conductor plate 11, act as strengthening magnetic field intensity, improves energy consumption effect.
The conductor plate 11 and magnetic conductive board 12 are affixed, and magnetic conductive board 12 and actuator 10 are affixed.
The controller 4 controls the motion of actuator 10, changes the spacing distance between conductor plate 11 and permanent magnet 9, with
This changes the size of eddy-current damping power.
The part acting as inside protection for safeguarding wall 6, the material for safeguarding wall can be concrete, masonry etc..
In the present invention, the material of the permanent magnet 9 can be rare earth permanent-magnetic material, SmCo, NI-G cobalt, ferrite permanent-magnet materials
Deng；The material of the conductor plate 11 can be copper, aluminium etc.；The material of the magnetic conductive board 12 can be iron, cadmium, cobalt etc..
In the present invention, the operating range scope of actuator 10 is 2 ~ 20mm.
Compared with prior art, the present invention has following advantageous effects：
The active eddy-current damping wall of one kind half of the present invention, under geological process, can in real time gather and analyze 1 each floor of main structure
Instantaneous acceleration, control actuator 10 adjust eddy-current damping power, to change the damping of whole eddy current damper wall 2, carry
High damping effect, ensure the safety of main structure 1.
In the present invention, the operating range scope of actuator 7 is 2 ~ 20mm.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, real for those skilled in the art
The replacement and equivalent various parts for applying example are known.It should be appreciated by the person skilled in the art that the present invention is not being departed from
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material
Realized with part.In the case where not departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
The other deformations of row and change.
Claims (4)
1. a kind of half active eddy-current damping wall, it is characterised in that by main structure（1）, eddy-current damping wall（2）, acceleration sensing
Device（3）And controller（4）Composition, wherein：
The eddy-current damping wall（2）By steel plate（5）, safeguard wall（6）, lower buttress（7）, upper buttress（8）, permanent magnet（9）, start
Device（10）, conductor plate（11）And magnetic conductive board（12）Composition；Steel plate（5）The upper buttress of one end insertion（8）Interior, the other end is located at lower buttress
（7）Top, steel plate（5）On be evenly distributed with permanent magnet（9）, steel plate（5）Both sides are provided with conductor plate（11）, conductor plate（11）It is another
Side is connected with magnetic conductive board（12）, conductor plate（11）And magnetic conductive board（12）Lower buttress is fixed in one end（7）Top；Magnetic conductive board（12）With
Actuator（10）It is affixed, lower buttress（7）Both sides, which are fixed with, safeguards wall（6）, safeguard wall（6）Lower buttress is fixed in one end（7）Top；
Eddy-current damping wall（2）It is fixed on main structure（1）Between two layers of floor, main structure（1）Side sets acceleration transducer（3）,
Controller（4）It is arranged at main structure（1）On, controller（4）Acceleration transducer is connected respectively（3）And actuator（10）；Control
Device（4）Control actuator（10）Side-to-side movement, change conductor plate（11）With permanent magnet（9）Between spacing distance, changed with this
Become the size of eddy-current damping power；During generation earthquake, permanent magnet（9）With conductor plate（11）Generation relative motion, in conductor plate
（11）It is interior to produce vortex electricity heating earthquake energy.
A kind of 2. half active eddy-current damping wall according to claim 1, it is characterised in that the upper buttress（8）Top
With main structure（1）The bottom connection of upper floor, lower buttress（7）Bottom and main structure（1）The top connection of bottom floor.
A kind of 3. half active eddy-current damping wall according to claim 1, it is characterised in that the main structure（1）Each floor
Lateral be mounted on acceleration transducer（3）, each acceleration transducer（3）It is all connected with controller（4）.
A kind of 4. half active eddy-current damping wall according to claim 3, it is characterised in that the controller（4）Occurring
During earthquake, main structure can be gathered in real time（1）The lateral acceleration signal of each floor, and it is real-time according to the acceleration signal received
Control actuator（10）Motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858694.6A CN107869200A (en) | 2017-09-21 | 2017-09-21 | A kind of half active eddy-current damping wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858694.6A CN107869200A (en) | 2017-09-21 | 2017-09-21 | A kind of half active eddy-current damping wall |
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| Publication Number | Publication Date |
|---|---|
| CN107869200A true CN107869200A (en) | 2018-04-03 |
Family
ID=61762241
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|---|---|---|---|
| CN201710858694.6A Pending CN107869200A (en) | 2017-09-21 | 2017-09-21 | A kind of half active eddy-current damping wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259240A (en) * | 2019-06-19 | 2019-09-20 | 同济大学 | Prefabricated assembled eddy-current damping wall |
| CN111827514A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Eddy current damping wall and building |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115742A (en) * | 2000-10-05 | 2002-04-19 | Toshiba Corp | Variable spring type damper |
| CN106989130A (en) * | 2017-05-09 | 2017-07-28 | 同济大学 | A kind of half active mono-pendulum type eddy current tuned mass damper |
-
2017
- 2017-09-21 CN CN201710858694.6A patent/CN107869200A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002115742A (en) * | 2000-10-05 | 2002-04-19 | Toshiba Corp | Variable spring type damper |
| CN106989130A (en) * | 2017-05-09 | 2017-07-28 | 同济大学 | A kind of half active mono-pendulum type eddy current tuned mass damper |
Non-Patent Citations (1)
| Title |
|---|
| 王梁坤等: "电涡流TMD在某连桥减振中的应用研究", 《结构工程师》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259240A (en) * | 2019-06-19 | 2019-09-20 | 同济大学 | Prefabricated assembled eddy-current damping wall |
| CN110259240B (en) * | 2019-06-19 | 2021-11-16 | 同济大学 | Prefabricated assembled eddy current damping wall |
| CN111827514A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Eddy current damping wall and building |
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Application publication date: 20180403 |
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