CN101550982A - A self-supplied magnetic current damper - Google Patents
A self-supplied magnetic current damper Download PDFInfo
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- CN101550982A CN101550982A CNA2009101037445A CN200910103744A CN101550982A CN 101550982 A CN101550982 A CN 101550982A CN A2009101037445 A CNA2009101037445 A CN A2009101037445A CN 200910103744 A CN200910103744 A CN 200910103744A CN 101550982 A CN101550982 A CN 101550982A
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Abstract
The invention presents a self-supplied magnetic current damper, which includes a magnetic current damper, a vibration energy collector, and an energy storage management module. The energy collector is a multi-vane disc shaped electro-magnetism type mechanical energy collector installed on the piston bottom of the magnetic current damper, which is composed of multiple impellers and disc shaped magnetoelectric transducers, wherein, the disc shaped magnetoelectric transducers are mounted on the piston, the multiple impellers are mounted on the rotor of the disc shaped magnetoelectric transducers, and the energy produeced by the disc shaped magnetoelectric transducers is lead out by the coil on the stator. The output lines of the disc shaped magnetoelectric transducers are connected to the energy storage management module, and the output of the energy storage management module is connected to the magnetizing coil of the magnetic current damper. During work, the magnetic current liquid impacts the vanes, the impeller converts the fluid washing into the rotation of the disc shaped stator inlaid on the rare-earth permanent magnet, the magnetic flux of the coil on the disc shaped stator is changed, in order to achieve effective collection of mechanical energy, and greatly reduce the transducer volume.
Description
Technical field
The invention belongs to the MR damper technology.
Background technique
The structure of MR damper as shown in Figure 1, when controlled device is vibrated, piston rod 1 and piston 4 move in clutch release slave cylinder 6, be full of magnetic flow liquid in the clutch release slave cylinder 6, because liquid has continuity and incompressibility, according to the Navier-Stokes equation, the constitutive equation of substitution magnetic flow liquid, there is huge pressure difference in the narrow damp channel two ends that can extrapolate between piston 4 and clutch release slave cylinder inner core 3 (the 2nd, the clutch release slave cylinder urceolus).Under pressure, magnetic flow liquid will be in the damper active chamber flow at high speed.When coil 5 feeds field current, around reaching, damp channel will produce magnetic field, and magnetic flow liquid flows through these local its shear yield stresses and will change, and the pressure difference at damp channel two ends also can change, thus the damping force that causes damper changes.
Usually the electric energy of MR damper all is to provide by the outside, as being on automobile by storage battery power supply, power line draw the sealing of having destroyed MR damper, cause problems such as leakage of oil, lead fracture easily, cause the magnetic current damper to lose efficacy easily.In addition, MR damper depends on the supply of external power supply, can't provide the occasion of external power supply not work at some, if externally fed breaks down, also can cause MR damper to work.
Based on above deficiency, in recent years, the researcher of related domain has also proposed self-energizing technical solution, 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 MR damper inside, and provide enough electric energy to supply MR damper work, and this patent does not also relate to the storage and the management of energy, has many deficiencies.
Summary of the invention
The objective of the invention is to propose a kind of self-supplied magnetic current damper, realize the highly effective gathering of mechanical energy, and dwindle the volume of transducer at the prior art above shortcomings.
Technological scheme of the present invention is as follows:
A kind of self-supplied magnetic current damper, it is made up of MR damper and vibration energy collector; Described energy collecting device is the dish-like electromagnetic mechanical energy collecting device of a multiple-blade, be installed in the piston base of described MR damper, it is made up of multi-disc impeller and dish-shaped magneto-electric transducer, the dish magneto-electric transducer is installed on the piston, the multi-disc impeller is installed on the rotor of dish-shaped magneto-electric transducer, and the energy that dish-shaped magneto-electric transducer produced is drawn by the coil on the stator.
The rotor of described dish-shaped magneto-electric transducer is to adopt permanent magnet to prolong radially alternately to be embedded on the soft magnetic base plate by the magnetic pole difference to constitute, stator core is the loop configuration that is rolled by banded silicon steel plate, fixed armature winding on it is full of epoxy resin between armature winding.
Magnetic flow liquid impacts blade, and impeller changes washing away of fluid the rotation of the dish-shaped rotor that rare-earth permanent magnet inlays into, changes the magnetic flux of coil on the dish-shaped stator, thereby realizes the mechanical energy highly effective gathering, and greatly dwindled the volume of transducer.
The energy storage administration module is made up of energy storage device and energy manager two-part, and energy storage device is made up of super capacitor or rechargeable battery, comprises main accumulator and surplus energy storage, stores the electric energy that is produced by magneto-electric transducer; Discharging and recharging of energy manager control energy storage device manages rectification, filtering, storage and the release of electric energy; The output terminal process control switch of energy storage administration module links to each other with the field coil input end in the MR damper.Energy manager comprises voltage doubling rectifying circuit, power distribution circuit, auxiliary electric energy supplement control circuit and power requirement distribution control algorithm module.
The energy storage administration module realizes that mainly main accumulator discharges and recharges effectively, Ac from dish-shaped magneto-electric transducer generation, at first through the main voltage doubling rectifying circuit of forming by rectifier D and capacitor C, finish the size of AC-DC rectification, filtering, increase VDC, then direct current is stored in the main accumulator, finishes the storage of electric energy.According to the testing signal of sensor and the voltage signal of main accumulator, carry out data analysis and calculating, regulate electric current, control energy distribution and switch open, the electric current that regulates the most at last is loaded into the field coil of MR damper, satisfies the MR damper requirements of one's work.According to the energy distribution result, can store for the remaining electric energy of each discharge, distribute the control algorithm signal to carry out the complementation of main accumulator and surplus energy storage electric energy according to power requirement by auxiliary electric energy supplement control circuit.And the surplus energy storage comes to distribute control algorithm circuit and ON-OFF control circuit for power requirement powers separately, satisfies the work of whole controlling electric energy module stability.
Description of drawings
Fig. 1 is the structural representation of MR damper;
Fig. 2 is the structural representation of this self-supplied magnetic current damper;
Fig. 3 A is the dish-like electromagnetic mechanical energy collecting device of a multiple-blade schematic representation wherein;
Fig. 3 B is that the A of Fig. 3 A is to view;
Fig. 4 is the schematic representation of magneto-electric transducer rotor and stator;
Fig. 5 is an energy memory management module block diagram;
Fig. 6 is voltage tripler rectifier memory circuit figure.
Embodiment
Referring to Fig. 2, this self-supplied magnetic current damper is made up of MR damper and vibration energy collector, can realize that the working power oneself of MR damper is supplied with.Vibration energy collector adopts multiple-blade dish electromagnetic type structure, see Fig. 3 A and Fig. 3 B, vibration energy collector is made up of multi-disc impeller 8 and dish-shaped magneto-electric transducer 7, be installed in piston 4 bottoms of MR damper, other structure of MR damper is the same with Fig. 1 substantially, the 9th, and the limit stoper that increases.The rotor 72 of dish magneto-electric transducer 7 and the structure of stator 71 are seen Fig. 4, permanent-magnet material is selected the rare-earth permanent magnet of high energy product, high-coercive force, (maximum magnetic energy product reaches: 50MGOe) as the Nd-Fe-B rare-earth permanent magnet, permanent magnet prolongs rotor radial by being embedded on the soft magnetic base plate that the magnetic pole difference replaces, the butterfly stator core is the loop configuration that is rolled by banded silicon steel plate, for fixed armature winding 73 with better radiating condition is provided, between armature winding 73, be full of epoxy resin.The magneto-electric transducer of this disc structure, conversion efficiency, high-cooling property are good, and are convenient to realize array structure.Through measuring and calculating, when the damper piston motion was in 0.6m/s, rate of flow of fluid can reach 4m/s, and the energy collecting device output power can reach more than the 5W, can satisfy the work requirements of MR damper.
Referring to Fig. 5 and Fig. 6, the energy storage administration module is made up of energy storage device and energy manager two-part, and energy storage device is made up of super capacitor or rechargeable battery, comprises main accumulator and surplus energy storage, stores the electric energy that is produced by magneto-electric transducer; Discharging and recharging of energy manager control energy storage device manages rectification, filtering, storage and the release of electric energy; The output terminal process control switch of energy storage administration module links to each other with the field coil input end in the MR damper.Energy manager comprises voltage doubling rectifying circuit, power distribution circuit, auxiliary electric energy supplement control circuit and power requirement distribution control algorithm module.
The Ac that the dish magneto-electric transducer produces, under the charge-discharge control system unified management, process is by capacitor C earlier
1, C
2, C
3With rectifier D
1, D
2, D
3Rectification, filtering and the voltage amplification of three doubler rectifiers of forming make Ac be transformed into ultracapacitor C
4Receptible direct current is realized the storage (referring to Fig. 6) of electric current.Voltage signal according to testing signal and main accumulator carries out demand and the distribution that data fusion is judged electric energy again, and then send control signal, adjusting output DC stream, and with output direct current (d.c.) be connected with the input end of the field coil of MR damper, satisfy the needs that MR damper reaches optimum working state.The remaining power storage of will at every turn discharging can distribute the control algorithm module to carry out energy complement by auxiliary electric energy supplement control circuit and main accumulator according to power requirement in the surplus energy storage on the one hand; This surplus energy storage can distribute control algorithm circuit and ON-OFF control circuit power supply to power requirement on the other hand, guarantees the stability of electric energy discharge control system.
Claims (4)
1, a kind of self-supplied magnetic current damper, it comprises MR damper and vibration energy collector; It is characterized in that: described energy collecting device is the dish-like electromagnetic mechanical energy collecting device of a multiple-blade, be installed in piston (4) bottom of described MR damper, it is made up of multi-disc impeller (8) and dish-shaped magneto-electric transducer (7), dish magneto-electric transducer (7) is installed in piston (4) lower end, multi-disc impeller (8) is installed on the dish-shaped rotor (72) of dish-shaped magneto-electric transducer (7), and be positioned on the flow path of magnetic flow liquid, magnetic flow liquid impacts blade, impeller (8) changes washing away of fluid into the rotation of dish-shaped rotor (72), change dish-shaped stator (71) and go up the magnetic flux of coil, thereby realize the mechanical energy highly effective gathering; Described self-supplied magnetic current damper also has the energy storage administration module, and the output line of described dish-shaped magneto-electric transducer (7) is connected to the energy storage administration module, and the field coil of MR damper (5) is received in the output of energy storage administration module.
2, self-supplied magnetic current damper according to claim 1, it is characterized in that: the butterfly rotor (72) of described dish-shaped magneto-electric transducer is to adopt permanent magnet to prolong radially alternately to be embedded on the soft magnetic base plate by the magnetic pole difference to constitute, the iron core of butterfly stator (71) is the loop configuration that is rolled by banded silicon steel plate, fixed armature winding (73) is full of epoxy resin on it between armature winding; Described butterfly rotor (72) and stator (71) arranged alternate multi-disc.
3, self-supplied magnetic current damper according to claim 1 and 2, it is characterized in that: described energy storage administration module is made up of energy storage device and energy manager two-part, energy storage device is made up of super capacitor or rechargeable battery, comprise main accumulator and surplus energy storage, store the electric energy that produces by magneto-electric transducer; Discharging and recharging of energy manager control energy storage device manages rectification, filtering, storage and the release of electric energy; The output terminal process control switch of energy storage administration module links to each other with the field coil input end in the MR damper.
4, self-supplied magnetic current damper according to claim 3 is characterized in that: described energy manager comprises voltage doubling rectifying circuit, power distribution circuit, auxiliary electric energy supplement control circuit and power requirement distribution control algorithm integration module; The voltage doubling rectifying circuit of being made up of rectifier D and capacitor C receives the Ac that produces to dish-shaped magneto-electric transducer, finishes the size of AC-DC rectification, filtering, increase VDC, then direct current is stored in the main accumulator, finishes the storage of electric energy; Power requirement is distributed the voltage signal of control algorithm module according to sensor signal and main accumulator, carry out data analysis and calculating, regulate electric current, control energy distribution and switch open, the electric current that regulates the most at last is loaded into the field coil of MR damper, satisfy the MR damper requirements of one's work, distribute the control algorithm signal to carry out the complementation of main accumulator and surplus energy storage electric energy according to power requirement by auxiliary electric energy supplement control circuit, and the surplus energy storage comes to distribute control algorithm circuit and ON-OFF control circuit for power requirement powers separately, satisfies the work of whole controlling electric energy module stability.
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| CN2009101037445A CN101550982B (en) | 2009-04-30 | 2009-04-30 | A self-supplied magnetic current damper |
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| CN101968096A (en) * | 2010-09-29 | 2011-02-09 | 中国电力科学研究院 | Self-driving magnetorheological damper |
| CN102069765A (en) * | 2009-10-14 | 2011-05-25 | 通用汽车环球科技运作公司 | Self-powered vehicle sensor system |
| CN102168459A (en) * | 2011-04-29 | 2011-08-31 | 哈尔滨工业大学 | Magnetorheological vibration isolating device based on piezoelectric energy self collection |
| CN102277910A (en) * | 2011-04-29 | 2011-12-14 | 哈尔滨工业大学 | Magneto rheological energy-dissipating and shock-absorbing device based on piezoelectric self energy collection |
| CN102278410A (en) * | 2011-06-03 | 2011-12-14 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
| WO2012016488A1 (en) * | 2010-08-05 | 2012-02-09 | The Chinese University Of Hong Kong | Self-powered and self-sensing magnetorheological dampers |
| CN102537187A (en) * | 2012-02-15 | 2012-07-04 | 谭晓婧 | Single-rod magnetorheological elastomer damper |
| CN102687388A (en) * | 2009-11-19 | 2012-09-19 | 佩尔皮图姆有限公司 | Vibration energy harvester for converting mechanical vibrational energy into electrical energy |
| CN102806981A (en) * | 2012-08-21 | 2012-12-05 | 江苏科技大学 | Energy-saving type floatable ocean platform movement control device |
| CN103486188A (en) * | 2013-10-10 | 2014-01-01 | 重庆大学 | Self-powered magneto-rheological damper |
| CN103527703A (en) * | 2013-10-25 | 2014-01-22 | 重庆大学 | Self-powered magnetic rheological damper |
| CN104315072A (en) * | 2014-08-25 | 2015-01-28 | 合肥工业大学 | Novel damper with adjustable stiffness and damping for high speed train |
| CN104373500A (en) * | 2014-11-20 | 2015-02-25 | 石家庄铁道大学 | Magnetorheological damper with multiple external round hole damping channels |
| CN104500641A (en) * | 2015-01-14 | 2015-04-08 | 青岛理工大学 | Birotor self-powered damper based on magnetorheological elastomers |
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| CN106678256A (en) * | 2017-01-19 | 2017-05-17 | 长安大学 | Magnetoelectric self-powered suspension shock absorber of electric vehicle |
| CN107676419A (en) * | 2017-10-26 | 2018-02-09 | 东北大学 | A kind of self-powered method of magnetic rheological liquid damper self-induction and damper |
| CN107687493A (en) * | 2017-03-20 | 2018-02-13 | 河南科技大学 | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber |
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2009
- 2009-04-30 CN CN2009101037445A patent/CN101550982B/en not_active Expired - Fee Related
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| CN102069765A (en) * | 2009-10-14 | 2011-05-25 | 通用汽车环球科技运作公司 | Self-powered vehicle sensor system |
| CN102069765B (en) * | 2009-10-14 | 2014-11-05 | 通用汽车环球科技运作公司 | Self-powered vehicle sensor system |
| US8614518B2 (en) | 2009-10-14 | 2013-12-24 | GM Global Technology Operations LLC | Self-powered vehicle sensor systems |
| CN102687388B (en) * | 2009-11-19 | 2015-06-03 | 佩尔皮图姆有限公司 | Vibration energy harvester for converting mechanical vibrational energy into electrical energy |
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| WO2012016488A1 (en) * | 2010-08-05 | 2012-02-09 | The Chinese University Of Hong Kong | Self-powered and self-sensing magnetorheological dampers |
| CN102374255A (en) * | 2010-08-05 | 2012-03-14 | 香港中文大学 | Self-powered and self-sensing magnetorheological (MR) fluid damper |
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| CN102277910A (en) * | 2011-04-29 | 2011-12-14 | 哈尔滨工业大学 | Magneto rheological energy-dissipating and shock-absorbing device based on piezoelectric self energy collection |
| CN102168459A (en) * | 2011-04-29 | 2011-08-31 | 哈尔滨工业大学 | Magnetorheological vibration isolating device based on piezoelectric energy self collection |
| CN102278410B (en) * | 2011-06-03 | 2013-02-27 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
| CN102278410A (en) * | 2011-06-03 | 2011-12-14 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
| CN102537187A (en) * | 2012-02-15 | 2012-07-04 | 谭晓婧 | Single-rod magnetorheological elastomer damper |
| CN102806981A (en) * | 2012-08-21 | 2012-12-05 | 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 |
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| CN103527703A (en) * | 2013-10-25 | 2014-01-22 | 重庆大学 | Self-powered magnetic rheological damper |
| CN104315072A (en) * | 2014-08-25 | 2015-01-28 | 合肥工业大学 | Novel damper with adjustable stiffness and damping for high speed train |
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| CN104373500A (en) * | 2014-11-20 | 2015-02-25 | 石家庄铁道大学 | Magnetorheological damper with multiple external round hole damping channels |
| CN104500641A (en) * | 2015-01-14 | 2015-04-08 | 青岛理工大学 | Birotor self-powered damper based on magnetorheological elastomers |
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| CN106441432A (en) * | 2016-09-29 | 2017-02-22 | 重庆理工大学 | Self-powered rotation parameter measurement sensor |
| CN106441432B (en) * | 2016-09-29 | 2019-10-15 | 重庆理工大学 | A kind of self-powered rotational parameters measurement sensor |
| CN106678256A (en) * | 2017-01-19 | 2017-05-17 | 长安大学 | Magnetoelectric self-powered suspension shock absorber of electric vehicle |
| CN106678256B (en) * | 2017-01-19 | 2018-08-03 | 长安大学 | A kind of electric vehicle magneto-electric self-powered suspension damper |
| CN107687493A (en) * | 2017-03-20 | 2018-02-13 | 河南科技大学 | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber |
| CN107676419A (en) * | 2017-10-26 | 2018-02-09 | 东北大学 | A kind of self-powered method of magnetic rheological liquid damper self-induction and damper |
| CN112392897A (en) * | 2021-01-19 | 2021-02-23 | 常州江苏大学工程技术研究院 | Energy-feedback and vibration-reduction integrated suspension system and working method |
| CN113586647A (en) * | 2021-07-27 | 2021-11-02 | 盐城工学院 | Energy-saving environment-friendly self-powered magneto-rheological damper |
| CN114658788A (en) * | 2022-03-17 | 2022-06-24 | 佛山仙湖实验室 | Magnetorheological fluid shock absorber and hydrogen bottle protection support |
| CN114658788B (en) * | 2022-03-17 | 2023-06-06 | 佛山仙湖实验室 | Magnetorheological fluid damper and hydrogen bottle protection bracket |
| CN116006621A (en) * | 2022-12-31 | 2023-04-25 | 重庆大学 | Hybrid energy harvesting magnetorheological damper with archimedes power generation device |
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