CN102418765B - Self-perception, self-power supply and adaptive control magnetorheological vibration damping system - Google Patents
Self-perception, self-power supply and adaptive control magnetorheological vibration damping system Download PDFInfo
- Publication number
- CN102418765B CN102418765B CN 201110342526 CN201110342526A CN102418765B CN 102418765 B CN102418765 B CN 102418765B CN 201110342526 CN201110342526 CN 201110342526 CN 201110342526 A CN201110342526 A CN 201110342526A CN 102418765 B CN102418765 B CN 102418765B
- Authority
- CN
- China
- Prior art keywords
- magneto
- perception
- rheological vibration
- self
- ball screw
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a self-perception, self-power supply and adaptive control magnetorheological vibration damping system, which consists of a dual-extension lever magnetorheological absorber, a vibration energy acquisition device, an energy storage and management module, a status self-perception module and an adaptive control system, wherein the vibration energy acquisition device, the energy storage and management module, the status self-perception module, the adaptive control system and the magnetorheological absorber are integrated; mechanical energy of the system is converted into electric energy by the energy acquisition device; the electric energy is stored and managed by the energy storage and management module so as to supply power to a sensor, a controller and the magnetorheological absorber; the perception of the operating state of the magnetorheological dapmper is realized by the status self-perception module so as to provide decision basis for an adaptive controller; and the adaptive controller regulates the operating damping force of a magnetorheological damper in an adaptive mode according to the operating state of the magnetorheological absorber, so that the adaptive control of the self-perception status and self-supply energy of the magnetorheological absorber is realized, and the application field of the magnetorheological absorber is expanded greatly.
Description
Technical field
The invention belongs to a kind of new energy acquisition and application system, be specifically related to a kind of from perception self-powered self adaptive control magneto-rheological vibration damping system.
Background technique
Magneto-rheological vibration damper is as a kind of intelligent vibration damping device, have simple in structure, volume is little, energy consumption is low, damping advantage such as adjustable continuously, become the research in the field of vibration control gradually and use focus.Present magneto-rheological vibration damper system needs special sensed system realization to the perception of working state, and this can cause the cost of system to increase undoubtedly.In addition, magneto-rheological vibration damper needs adjustable magnetic field excitation, and this needs the input of external electric energy, and in some remote areas, electric power usually can not be sent to; Even and if electric power can be sent to sometimes, but usually also can cause power supply to be difficult to continue to guarantee owing to the reason of natural disaster.These factors have limited the application of magneto-rheological vibration damper.For this reason, in recent years, domestic and international research personnel have proposed magneto-rheological vibration damper is carried out self-powered new method.U. S. Patent (US20080053763) has proposed the magnetic-armature principle structure of a kind of permanent magnetism, cutting magnetic line generation induction electromotive force is powered for MR damper about utilizing the permanent magnet on the spring oscillator, because this scheme is bulky, energy conversion efficiency is low, be difficult to be integrated into electric energy that MR damper inside is difficult to provide enough for MR damper work, and this patent does not also relate to storage and the management of energy.Chinese patent (CN200710034309.2), a kind of self-power-supply magnetorheological intelligent vibration damping device has been proposed, employing is arranged in the mode of the rack pinion transmission in the vibration damper outside, the generating of driving DC generator, to the magneto-rheological vibration damper power supply, its narrow limitation is very obvious, because electricity generating device is arranged in the vibration damper outside, and outside being exposed to, the result causes systems bulky, and working environment is had relatively high expectations.Chinese patent (CN200710034309.2), the dish-like electromagnetic mechanical energy collecting device of an a kind of multiple-blade is proposed, structural configuration is in the inboard of vibration damper, certain narrow limitation is also arranged, because magnetic flow liquid is thicker, cause blade rotational speed slow, the electric energy of generation only can be powered to sensor, and can not realize the perception of vibration damper oneself state.
Summary of the invention
The purpose of this invention is to provide a kind of from perception self-powered self adaptive control magneto-rheological vibration damping system, the vibrational energy of magneto-rheological vibration damper is converted into electric energy, realize magneto-rheological vibration damper state perception and carry out the electric energy supply, and according to state self-adaption ground adjusting damping force size, thereby expand and the application of enhancing magneto-rheological vibration damper in structural vibration.
The objective of the invention is to adopt following proposal to realize:
A kind of from perception self-powered self adaptive control magneto-rheological vibration damping system, formed from perception module and adaptive control system by two boom magneto-rheological vibration dampers, vibrational energy collecting device, energy storage and administration module, state.The piston cylinder of described pair of boom magneto-rheological vibration damper extends a part, and integrated installation vibrational energy collecting device, energy storage and administration module, state are from perception module and adaptive control system in this extended this part cylinder body.
Described vibrational energy collecting device is made up of leading screw, ball screw fixed base A, stator coil, stator core, permanent-magnet steel, rotor core, ball screw fixed base B, ball screw framework, voltage regulating device and storage battery.Described leading screw is fixedlyed connected with the piston rod B of two boom magneto-rheological vibration dampers, or is machined directly to integral body with piston rod B.Ball screw framework is contained in the leading screw front end and is arranged in ball screw fixed base A and space that ball screw fixed base B surrounds, ball screw fixed base A and ball screw fixed base B and piston cylinder are connected and fixed, rotor core and permanent-magnet steel are fixed on the ball part of ball screw framework, and stator core and stator coil and piston cylinder are fixed.When magneto-rheological vibration damper is in vibrational state, magneto-rheological vibration damper piston rod B drives the leading screw moving linearly, by ball screw framework, be converted into rotor core and permanent-magnet steel around the rotation cutting magnetic line movement of stator core and stator coil, thereby the realization mechanical energy is changed to electric energy.
Described vibrational energy storage and administration module can be stored and manage the electric energy that the vibrational energy collecting device produces, realize power storage, and to adaptive controller, power sensor and field coil power supply, voltage regulating device just changes the thyristor angle of flow according to the voltage of vibrational energy collecting device, keep the stable of vibrational energy collecting device output voltage, rectification, filtering, storage and the release to electric energy simultaneously manages.
Described state from the perception module by stator coil, power sensor and signal condition module are formed, the power sensor is fixed on ball screw fixed base A, between ball screw fixed base B and the ball screw framework, the signal condition module is connected with piston cylinder, stator coil and signal condition module produce the waveform of signal and the structural parameter of ball screw framework according to the vibrational energy collecting device, calculate vibration displacement and the speed of magneto-rheological vibration damper piston rod B, according to pulling force or the pressure on the power sensor collection shock absorber piston rod B, realize the perception to the magneto-rheological vibration damper working state.
Described adaptive control system is made up of power sensor, signal condition module and adaptive controller, adaptive controller is fixed on the piston cylinder bottom, when magneto-rheological vibration damper is in vibrational state, adaptive control system realizes the adjusting of damping force according to the size of current of magneto-rheological vibration damper working state adjustment input field coil.
The present invention is converted into electric energy by electricity energy harvester with the mechanical energy of system, and electric energy carries out storage and management by energy storage and administration module, to sensor, controller and magneto-rheological vibration damper power supply; By the perception of state from perception module realization magneto-rheological vibration damper self working state, for self adaptive control provides decision-making foundation; Adaptive controller is regulated the work damping force of MR damper according to magneto-rheological vibration damper self working state self adaption; Thereby the state of realization magneto-rheological vibration damper from the self adaptive control of supplying with, can greatly be expanded the application of magneto-rheological vibration damper from perception, energy.
Advantage of the present invention is as follows:
1, by collection and utilization to vibrational energy, avoided the dependence of magneto-rheological vibration damper to electric energy effectively, magneto-rheological vibration damper also can be used in the environment that electric energy is difficult to guarantee.
2, by state is integrated in the magneto-rheological vibration damper from the perception module, can be to the extraction of magneto-rheological vibration damper working status parameter in collecting energy, greatly improved the reliability of system, significantly reduced the cost of sensed system, had great importance for promoting magnetic converting technique.
3, by being integrated into the control module in the magneto-rheological vibration damper, according to the residing state of magneto-rheological vibration damper, regulating the damping force of output adaptively, thereby improved the adaptive ability of magneto-rheological vibration damping system.
4, structure of the present invention is compact, makes sensing, control, power supply and drive to be one, can greatly improve the reliability of system, the cost of reduction system, compares with existing magneto-rheological vibration damping system, therefore has the high cost performance of ratio.
Description of drawings
Fig. 1 is from perception self-powered self adaptive control magneto-rheological vibration damping system structural representation;
Fig. 2 is the control phase plane of system self-adaption control.
Among the figure: Sealing 3 front shrouds 4 piston cylinders 5 pistons 6 field coils 7 magnetic flow liquids 8 piston rod B 9 back shrouds 10 back Sealing 11 leads 12 leading screws 13 ball screw fixed base A 14 stator coils 15 stator cores 16 permanent-magnet steels 17 rotor cores 18 ball screw fixed base B 19 ball screw frameworks 20 power sensors 21 voltage regulating devices 22 electric accumulators 23 adaptive controllers 24 signal condition modules before the 1 piston rod A 2.
Embodiment
The present invention is further elaborated below in conjunction with accompanying drawing:
What the present invention proposed is made up of from perception module and adaptive control system two boom magneto-rheological vibration dampers, vibrational energy collecting device, energy storage and administration module, state from perception self-powered self adaptive control magneto-rheological vibration damping system.
As shown in Figure 1, two boom magneto-rheological vibration dampers comprise piston cylinder 4, piston rod A1, piston rod B8, piston 5, field coil 6 and magnetic flow liquid 7.Magnetic flow liquid 7 is contained in the cavity that piston cylinder 4 first half two ends cross by front shroud 3 and back shroud 9, and piston rod A1, piston rod B8 put in the cavity from the first half two ends, and the both is connected with middle piston 5, and field coil 6 is inlaid in piston 5 peripheries.Sealing 2 and back Sealing 10 before arranging between piston rod A1, piston rod B8 and front shroud 3, the back shroud 9.
The piston cylinder 4 of this pair boom magneto-rheological vibration damper extends a part, vibrational energy collecting device of the present invention, energy storage and administration module, state from perception module and adaptive control system with regard to this extended this part cylinder body of integrated installation in.
Wherein, the vibrational energy collecting device is made up of leading screw 12, ball screw fixed base A13, stator coil 14, stator core 15, permanent-magnet steel 16, rotor core 17, ball screw fixed base B 18, ball screw framework 19, voltage regulating device 21 and storage battery 22.Leading screw 12 is connected by screw thread or welding with the piston rod B8 of two boom magneto-rheological vibration dampers, or is machined directly to integral body with piston rod B8.Ball screw framework 19 is contained in leading screw 12 front ends and is positioned at ball screw fixed base A13 and space that ball screw fixed base B18 surrounds, and ball screw fixed base A13 and ball screw fixed base B18 and piston cylinder 4 are connected and fixed.Rotor core 17 and permanent-magnet steel 16 are fixed on the ball screw framework 19, and stator core 15 and stator coil 14 are centered around outside rotor core 17 and the permanent-magnet steel 16, and be fixing with piston cylinder 4.When magneto-rheological vibration damper is in vibrational state, magneto-rheological vibration damper piston rod B drives leading screw 12 moving linearlies, by ball screw framework 19, be converted into rotor core 17 and permanent-magnet steel 16 around the rotation cutting magnetic line movement of stator core 15 and stator coil 14, thereby the realization mechanical energy is changed to electric energy.
Vibrational energy storage and administration module are made up of voltage regulating device 21 and electric accumulator 22, are installed in damper piston cylinder 4 bottoms.Vibrational energy storage and administration module are stored and are managed the electric energy that the vibrational energy collecting device produces, and realize power storage, to adaptive controller 23, power sensor 20 and field coil 6 power supplies.Voltage regulating device 21 just changes the thyristor angle of flow according to the voltage of vibrational energy collecting device, keeps the stable of vibrational energy collecting device output voltage, and rectification, filtering, storage and the release to electric energy simultaneously manages.Electric accumulator 22 can be electric capacity or rechargeable battery, can realize the storage more than energy, when energy shortage that the vibrational energy collecting device is gathered, to adaptive controller 23 and field coil 6 power supplies.
State is made up of stator coil 14, power sensor 20 and signal condition module 24 from the perception module, described power sensor 20 is fixed between ball screw fixed base A13, ball screw fixed base B18 and the ball screw framework 19, and signal condition module 24 is installed in piston cylinder 4 bottoms.This state produces the waveform of signal and the structural parameter of ball screw framework 19 from stator coil 14 and the signal condition module 24 of perception module according to the vibrational energy collecting device, calculate vibration displacement and the speed of magneto-rheological vibration damper piston rod B8, according to pulling force or the pressure that power sensor 20 is gathered on the shock absorber piston rod B, realize the perception to the magneto-rheological vibration damper working state.
Adaptive control system is made up of power sensor 20, signal condition module 24 and adaptive controller 23, adaptive controller is installed in piston cylinder 4 bottoms, when magneto-rheological vibration damper is in vibrational state, adaptive control system realizes the adjusting of damping force according to the size of current of magneto-rheological vibration damper working state adjustment input field coil 6.Adaptive control system adopts the ADAPTIVE CONTROL realization to the adjusting of magneto-rheological vibration damper damping force size, described ADAPTIVE CONTROL be will output the damping force of magneto-rheological vibration damper be divided into little, in, big three grades, the electric current of corresponding input field coil be little, in, big, maximum current is determined by the saturation current of field coil; According to the magneto-rheological vibration damper state from the perception of perception module, the velocity of displacement phase space is divided into I, II, III part, corresponding control electric current is respectively large, medium and small.
Claims (4)
1. one kind from perception self-powered self adaptive control magneto-rheological vibration damping system, is made up of from perception module and adaptive control system two boom magneto-rheological vibration dampers, vibrational energy collecting device, vibrational energy storage and administration module, state; It is characterized in that: the piston cylinder of described pair of boom magneto-rheological vibration damper (4) extends a part, and integrated installation vibrational energy collecting device, energy storage and administration module, state are from perception module and adaptive control system in this extended this part cylinder body;
Described vibrational energy collecting device is by leading screw (12), ball screw fixed base A(13), stator coil (14), stator core (15), permanent-magnet steel (16), rotor core (17), ball screw fixed base B (18), ball screw framework (19), voltage regulating device (21) and storage battery (22) form; The piston rod B(8 of described leading screw (12) and two boom magneto-rheological vibration dampers) fixedly connected, or with piston rod B(8) be machined directly to integral body; Ball screw framework (19) is contained in leading screw (12) front end and is positioned at ball screw fixed base A(13) and ball screw fixed base B(18) space that surrounds, ball screw fixed base A(13) and ball screw fixed base B(18) be connected and fixed with piston cylinder (4); Described rotor core (17) and permanent-magnet steel (16) are fixed on the ball part of ball screw framework (19), and stator core (15) and stator coil (14) are centered around rotor core (17) and the outer setting of permanent-magnet steel (16) and fixing; When magneto-rheological vibration damper is in vibrational state, magneto-rheological vibration damper piston rod B drives leading screw (12) moving linearly, by ball screw framework (19), be converted into rotor core (17) and permanent-magnet steel (16) around the rotation cutting magnetic line movement of stator core (15) and stator coil (14), thereby the realization mechanical energy is changed to electric energy;
Described vibrational energy storage and administration module are made up of voltage regulating device (21) and electric accumulator (22), and voltage regulating device (21) and electric accumulator (22) are installed in the bottom of damper piston cylinder (4) extension; Vibrational energy storage and administration module are stored and are managed the electric energy that the vibrational energy collecting device produces, and realize power storage, to adaptive controller (23), power sensor (20) and field coil (6) power supply; Voltage regulating device (21) just changes the thyristor angle of flow according to the voltage of vibrational energy collecting device, keeps the stable of vibrational energy collecting device output voltage, and rectification, filtering, storage and the release to electric energy simultaneously manages;
Described state is made up of described stator coil (14), power sensor (20) and signal condition module (24) from the perception module, described power sensor (20) is fixed between ball screw fixed base A (13), ball screw fixed base B (18) and the ball screw framework (19), and signal condition module (24) is installed in the bottom of piston cylinder (4) extension; Described state produces the waveform of signal and the structural parameter of ball screw framework (19) from stator coil (14) and the signal condition module (24) of perception module according to the vibrational energy collecting device, calculating magneto-rheological vibration damper piston rod B(8) vibration displacement and speed, according to pulling force or the pressure on power sensor (20) the collection shock absorber piston rod B, realize the perception to the magneto-rheological vibration damper working state;
Described adaptive control system is made up of described power sensor (20), described signal condition module (24) and adaptive controller (23), adaptive controller is installed in the bottom of piston cylinder (4) extension, the signal of adaptive controller reception sensor (20) and signal condition module (24), when magneto-rheological vibration damper is in vibrational state, adaptive control system realizes the adjusting of damping force according to the size of current of magneto-rheological vibration damper working state adjustment input field coil (6).
2. according to claim 1 from perception self-powered self adaptive control magneto-rheological vibration damping system, it is characterized in that: described pair of boom magneto-rheological vibration damper comprises piston cylinder (4), piston rod A(1), piston rod B(8), piston (5), field coil (6) and magnetic flow liquid (7); Described magnetic flow liquid (7) is contained in the cavity that piston cylinder (4) first half two ends cross by cover plate, piston rod A(1), piston rod B(8) put in the cavity from the first half two ends, the both is connected with the piston (5) of centre, and field coil (6) is inlaid in piston (5) periphery.
3. according to claim 1 and 2 from perception self-powered self adaptive control magneto-rheological vibration damping system, it is characterized in that: electric accumulator (22) is electric capacity or rechargeable battery, can realize the storage of excess energy, when energy shortage that the vibrational energy collecting device is gathered, to adaptive controller (23) and field coil (6) power supply.
4. according to claim 3 from perception self-powered self adaptive control magneto-rheological vibration damping system, it is characterized in that: described adaptive control system adopts the ADAPTIVE CONTROL realization to the adjusting of magneto-rheological vibration damper damping force size, described ADAPTIVE CONTROL be will output the damping force of magneto-rheological vibration damper be divided into little, in, big three grades, the electric current of corresponding input field coil be little, in, big, maximum current is determined by the saturation current of field coil; According to the magneto-rheological vibration damper state of state from the perception of perception module, the velocity of displacement phase space is divided into I, II, III part, corresponding control electric current is respectively large, medium and small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110342526 CN102418765B (en) | 2011-11-03 | 2011-11-03 | Self-perception, self-power supply and adaptive control magnetorheological vibration damping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110342526 CN102418765B (en) | 2011-11-03 | 2011-11-03 | Self-perception, self-power supply and adaptive control magnetorheological vibration damping system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102418765A CN102418765A (en) | 2012-04-18 |
| CN102418765B true CN102418765B (en) | 2013-08-28 |
Family
ID=45943334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110342526 Expired - Fee Related CN102418765B (en) | 2011-11-03 | 2011-11-03 | Self-perception, self-power supply and adaptive control magnetorheological vibration damping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418765B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673336B (en) * | 2012-05-16 | 2014-07-02 | 刘向明 | Generating device for recycling energy of suspended vibration absorber to charge new-energy-source automobile |
| CN102806981B (en) * | 2012-08-21 | 2015-05-13 | 江苏科技大学 | Energy-saving type floatable ocean platform movement control device |
| CN103486188B (en) * | 2013-10-10 | 2015-03-18 | 重庆大学 | Self-powered magneto-rheological damper |
| CN103953679B (en) * | 2014-04-28 | 2016-01-20 | 浙大新剑（上海）智能技术有限公司 | A kind of two outstretch pole magnetorheological damper piston assembly and manufacture method thereof |
| CN104196948B (en) * | 2014-08-26 | 2016-02-24 | 合肥工业大学 | Energy regenerative type self-sensing magneto-rheological vibration damper |
| CN104578578B (en) * | 2014-12-15 | 2017-01-04 | 国家电网公司 | A kind of vibrosieve electric supply installation based on vibration |
| CN105156553A (en) * | 2015-09-08 | 2015-12-16 | 同济大学 | Damper with equivalent rotating inertia mass |
| CN106369101B (en) * | 2016-09-14 | 2019-03-08 | 合肥工业大学 | A kind of energy magnetorheological fluid acceptor of energy |
| CN107202089A (en) * | 2017-07-10 | 2017-09-26 | 江苏大学 | A kind of self-powered magneto-rheological vibration damper |
| CN107676419B (en) * | 2017-10-26 | 2019-04-05 | 东北大学 | A kind of self-powered method of magnetic rheological liquid damper self-induction and damper |
| CN109357847A (en) * | 2018-09-11 | 2019-02-19 | 中国飞机强度研究所 | A kind of high carrier wave shape generating assembly of wideband and the high carrier wave shape experimental rig of wideband |
| CN108869617B (en) * | 2018-09-29 | 2019-03-05 | 山东大学 | A kind of self-powered magnetic rheological vibration damper |
| CN110077046B (en) * | 2019-04-23 | 2020-12-18 | 东北大学 | Self-powered and vibration-sensing magnetorheological sandwich corrugated cylindrical shell and preparation method thereof |
| CN112081855A (en) * | 2020-08-04 | 2020-12-15 | 株洲时代新材料科技股份有限公司 | Viscous damper and using method thereof |
| CN115681391B (en) * | 2022-09-27 | 2024-05-10 | 重庆邮电大学 | Self-sensing self-energy-supply self-adaptive control magnetorheological elastomer vibration isolation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086179A (en) * | 2007-01-24 | 2007-12-12 | 湖南大学 | Self-power-supply magnetorheological intelligent vibration damping device |
| CN201802803U (en) * | 2010-09-29 | 2011-04-20 | 中国电力科学研究院 | Self-induction type magnetorheological shock-absorbing damping device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6752250B2 (en) * | 2001-09-27 | 2004-06-22 | Northrop Grumman Corporation | Shock, vibration and acoustic isolation system |
| GB0129588D0 (en) * | 2001-12-11 | 2002-01-30 | Reactec Ltd | Improvements in or relating to skis |
-
2011
- 2011-11-03 CN CN 201110342526 patent/CN102418765B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086179A (en) * | 2007-01-24 | 2007-12-12 | 湖南大学 | Self-power-supply magnetorheological intelligent vibration damping device |
| CN201802803U (en) * | 2010-09-29 | 2011-04-20 | 中国电力科学研究院 | Self-induction type magnetorheological shock-absorbing damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102418765A (en) | 2012-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102418765B (en) | Self-perception, self-power supply and adaptive control magnetorheological vibration damping system | |
| CN204610676U (en) | A kind of energy magnetic rheological vibration damper | |
| CN205446527U (en) | Magneto rheological damper of ability is presented to external high -power | |
| CN101737241B (en) | Hydraulic transmission-based method and device for storing energy and realizing stabilized voltage and constant frequency in wave power generation | |
| CN101550982A (en) | A self-supplied magnetic current damper | |
| CN204961669U (en) | Liquid electricity is presented can formula semi active contro shock absorber system | |
| CN104963985B (en) | A kind of MR damper of integrated energy retracting device | |
| CN108343171B (en) | Electromagnetic resonance type inertia damper | |
| CN104976266A (en) | Fluid electric energy feedback type semi-active control shock absorber system | |
| CN101645689A (en) | Motor control system for oil extractor in oil field | |
| CN207554681U (en) | Vibration energy regeneration type magneto-rheological vibration damper | |
| CN103306393A (en) | Driving energy self-supplied magnetorheological damper | |
| CN109972762A (en) | A kind of used matter damper of tuner-type electromagnetism | |
| CN103557264A (en) | Condition monitoring based passive magneto rheological vibration damper | |
| CN106870265A (en) | Vapour-pressure type wave energy is gathered and TRT | |
| AU2013271344A1 (en) | Wave power generator | |
| CN204985491U (en) | Integrated magneto rheological damper who presents ability function | |
| CN104131944A (en) | Marine ocean wave generating device outputting constant power | |
| CN105605146A (en) | Mechanic-electric-hydraulic coupling type controllable inertia and damping apparatus | |
| CN109899437A (en) | Vibration energy regeneration type magneto-rheological vibration damper | |
| CN110410261B (en) | Self-adaptive variable damping vortex-induced vibration energy conversion device | |
| CN105337470A (en) | Vibration energy collecting device | |
| CN105840719B (en) | The MR damper of energy acquisition is carried out using double-deck magnet and induction coil | |
| CN201297241Y (en) | Electric generating apparatus of vibration absorber | |
| CN103527703A (en) | Self-powered magnetic rheological damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: 215000 Building 1, No. 296, Longxi Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU SHIHAO BUILDING MATERIAL NEW TECHNOLOGY ENGINEERING Co.,Ltd. Address before: 400030 Shapingba District, Sha Sha Street, No. 174, Chongqing Patentee before: Chongqing University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20211103 |