CN100396953C - Magnetic suspension flexible vibration damper for vehicle - Google Patents
Magnetic suspension flexible vibration damper for vehicle Download PDFInfo
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- CN100396953C CN100396953C CNB2005100170111A CN200510017011A CN100396953C CN 100396953 C CN100396953 C CN 100396953C CN B2005100170111 A CNB2005100170111 A CN B2005100170111A CN 200510017011 A CN200510017011 A CN 200510017011A CN 100396953 C CN100396953 C CN 100396953C
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- coil winding
- magnetic
- permanent magnet
- vibration damper
- cylinder body
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Abstract
The present invention relates to a magnetic levitation flexible vibration damper for a vehicle. The present invention is characterized in that the vibration damper comprises an upper permanent magnet and a lower permanent magnet which are arranged at the upper and the lower ends of the inner part of an inner cylinder body, wherein the upper permanent magnet is connected with a working beam through a non magnetic cushion ring and is provided with an outer cylinder body. An upper coil winding and a vibration sensitive sensor are respectively arranged between the inner cylinder body and the outer cylinder body at corresponding positions of the upper and the lower permanent magnets. A magnetic levitation control pole is arranged between the upper coil winding and the vibration sensitive sensor. One or a plurality of middle permanent magnets are positioned between the upper and the lower permanent magnets. Respective middle coil windings are arranged between the inner and the outer cylinder bodies at corresponding positions of the one or a plurality of middle permanent magnets. A magnetic levitation control pole is arranged between every two neighboring coil windings. The present invention is provided with an electric energy recovering circuit which is used for storing electricity for a battery jar E. The present invention has the advantages of no pollution for the environment, good effect of vibration damping, long service life, no noise, no affection by air temperature, recovery, full utilization of kinetic energy of the vibration, energy saving, controlled grounding indexes, no idle stroke of the vibration damping when the vehicle runs in a high speed way, etc.
Description
Technical field
The present invention relates to the vehicle hanging field, is a kind of magnetic suspension flexible vibration damper for vehicle.
Background technique
Existing automobile-used dydraulic shock absorber is by cylinder body, is built-in with piston at cylinder body, the damping hole that cylinder body two cavity oil liquid is communicated with is set on piston forms.When moving under the vibration force effect of the piston rod that is connected with vehicle frame at vehicle body, can realize the vehicle body vibration damping by pressure reduction that the damping hole on the piston is regulated cylinder body two cavity oil liquid automatically.Deficiencies such as but this dydraulic shock absorber exists the oil leaking pollution environment, reduces effectiveness in vibration suppression, and working life is low, and noise is arranged, and influenced greatly by temperature, and vibration kinetic energy is not used, and high vehicle speeds generation vibration damping idle running, ground connection index are not controlled.
Summary of the invention
Technical problem to be solved by this invention is, a kind of environmentally safe is provided, good damping result, long service life, noiseless, not influenced by temperature, can reclaim and make vibration kinetic energy to be fully used, to save the energy, high vehicle speeds produce vibration damping idle running, the controlled magnetic suspension flexible vibration damper for vehicle of ground connection index.
What solve that its technical problem follows is Theory of Electromagnetic Field in the physics, and according to the electromagnetic induction principle of Lenz's electromagnet inertia law, the inductive electromagnetic coil produces back-emf when changing in magnetic field, produces the back-emf eddy current under the effect of back-emf.Vibrate greatly more, changes of magnetic field is big more, and it is big more to produce back-emf, and back-emf is big more, and the back-emf eddy current is big more, and the back-emf eddy current is stressed big more in magnetic field, and this power is opposite with the vibration force direction.
Solving the technological scheme that its technical problem adopts is: a kind of magnetic suspension flexible vibration damper for vehicle, its special way is: it comprises inner barrel, permanent magnet is equipped with in upper end in inner barrel, last permanent magnet is connected with working beam by non-magnetic conduction packing ring, lower end in inner barrel is fixed with permanent magnet down, outside inner barrel, be equipped with outer cylinder body, interior, between the outer cylinder body, and last, following permanent magnet opposite position is respectively equipped with coil winding, dependent sensor shakes, on last coil winding, be equipped with respectively the lower end surface, under the quick ring that shakes, float and control the utmost point with shaking to be provided with between the dependent sensor at last coil winding the following quick ring that shakes by be connected with the floating control coil winding of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies.In inner barrel, one or more middle permanent magnets are housed between upper and lower permanent magnet, the permanent magnet opposite positions are provided with intermediate coil winding separately between inside and outside cylindrical shell and in the middle of one or more, at last coil winding, separately the upper and lower end of intermediate coil winding the upper and lower quick ring that shakes is housed all respectively, shake on last coil winding following shakes quick ring and intermediate coil winding quick ring, intermediate coil winding the following quick ring that shakes floats and controls the utmost point with shaking to be equipped with between the dependent sensor by be connected with the floating control coil winding of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies.The described floating control coil winding of coil winding, intermediate coil winding and magnetic of going up all is electrically connected with the input end of electric energy recovery circuit, and the output terminal of electric energy recovery circuit is electrically connected with storage battery E.Described electric energy recovery circuit is by bridge rectifier diode VD
1-VD
4, inductance L
1, L
2, triode V
1, V
2, charging diode D
1, D
2, D
3, capacitor C
1, C
2Be electrically connected and form.Be nested with dust proof tube in the outer cylinder body upper end, dust proof tube, working beam are all fixed with last hanger.On the working beam that is positioned at above the non-magnetic conduction packing ring, be nested with limit spring.The lower end of inside and outside cylindrical shell is all fixed with following hanger.
The beneficial effect of magnetic suspension flexible vibration damper for vehicle of the present invention is embodied in:
Owing to adopted the working beam that is connected with vehicle frame to be connected with permanent magnet in the upper end installation in inner core, lower end in the inner core is connected with vehicle bridge, lower end in the inner barrel is fixed with down permanent magnet, last permanent magnet, permanent magnet produces relative vibration with inner barrel in the middle of one or more, last permanent magnet, magnetic line of force when permanent magnet vibrates in the middle of one or more passes the quick ring that shakes, the quick ring that shakes is subjected to magnetic force line cutting to produce back-emf, under this back-emf effect, produce foucault current, stressed in magnetic field, and it is opposite with permanent magnet moving direction all the time, realize damping usefulness, so good damping result.
Because interior, between the outer cylinder body, and at last permanent magnet, middle permanent magnet opposite position is respectively equipped with coil winding, the intermediate coil winding, between two adjacent lines circle windings, be provided with the floating control coil winding of magnetic, last permanent magnet, middle permanent magnet is gone up coil winding relatively, the intermediate coil winding, when magnetic floats the control coil basket vibration, to vibrate kinetic energy by with last coil winding, the intermediate coil winding, the electric energy recovery circuit that the floating control coil winding electric of magnetic connects is converted into direct current energy for storage battery E charging, therefore can reclaim, and vibration kinetic energy is fully used, save the energy.
Also have environmentally safe, long service life, noiseless is not influenced by temperature, and high vehicle speeds does not produce advantages such as vibration damping idle running, ground connection index be controlled.
Description of drawings
Fig. 1 is embodiment 1 a magnetic suspension flexible vibration damper for vehicle structure cross-sectional schematic.
Fig. 2 is an A-A generalized section among Fig. 1.
Fig. 3 is an electric energy recovery circuit schematic diagram.
Fig. 4 is embodiment 2 a magnetic suspension flexible vibration damper for vehicle structure cross-sectional schematic.
Among the figure: hanger on 1,2 working beams, 3 strengthen guide plate, 4 dust proof tubes, 5 cushion pads, 6 felts envelope, 7 limit springs, the non-magnetic conduction packing ring of 8a, permanent magnet on 9,10 seal rings, coil winding on 11, quick ring shakes on the 12a, quick ring shakes under the 12b, 13 magnetic float the control coil winding, permanent magnet in the middle of 14,15 intermediate coil windings, the floating control of the 16 magnetic utmost point, the floating control of 17 magnetic soft magnetic bodies, 18 outer cylinder bodies, 19 times permanent magnets, 20 dependent sensors that shake, the non-magnetic conduction packing ring of 21b, 22 times hangers, 23 inner barrels, at the bottom of 24,25 covers, 26 oil holes.
Embodiment
Utilize drawings and Examples that the present invention is further described below.
Embodiment 1: with reference to Fig. 1 and 2, a kind of magnetic suspension flexible vibration damper for vehicle, it has inner barrel 23, and permanent magnet 9 is equipped with in the upper end in inner barrel 23, last permanent magnet 9 is connected with working beam 2 by non-magnetic conduction packing ring 8a, is nested with limit spring 7 on the working beam 2 that is positioned at above the non-magnetic conduction packing ring 8a.Outside inner barrel 23, be equipped with outer cylinder body 18.Between inside and outside cylindrical shell 23,18 and at last permanent magnet 9, down permanent magnet 19 opposite positions are respectively equipped with coil winding 11, dependent sensor 20 shakes.At last coil winding 11 upper and lower end faces upper and lower quick ring 12a, the 12b of shaking is housed respectively, floats and control the utmost point 16 with shaking to be provided with between the dependent sensor 20 by be connected with the floating control coil winding 13 of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies 17 at last coil winding 11 the following quick ring 12b that shakes.The floating soft magnetic bodies of described magnetic 17 is built up by silicon steel plate.Lower end in inner barrel 23 is fixed with permanent magnet 19 down, and following permanent magnet 19 is fixed in the tube of inside and outside cylindrical shell 23,18 lower ends by non-magnetic conduction packing ring 21b at the end 24.24 lower ends are fixed with hanger 22 down at the bottom of tube.Be fixed with cover 25 in inside and outside cylindrical shell 23,18 upper ends.Felt envelope 6 is housed on the inner barrel 23 of cover 25 lower ends.Be nested with dust proof tube 4 in outer cylinder body 18 upper ends, be equipped with seal ring 10 between dust proof tube 4 and the outer cylinder body 18 relative movement pairs.Be provided with oil hole 26 in dust proof tube 4 upper ends, strengthen guide plate 3.On the opposing end surface of strengthening guide plate 3, cover 25, be equipped with cushion pad 5.The upper end of dust proof tube 4, working beam 2 is all fixed with last hanger 1.The magnetic pole that last permanent magnet 9 and following permanent magnet 19 are relative is identical.
With reference to Fig. 3, the electric energy recovery circuit adopts the DC chopper circuit of prior art, and this circuit is by bridge rectifier diode VD
1-VD
4, inductance L
1, L
2, triode V
1, V
2, charging diode D
1, D
2, D
3, capacitor C
1, C
2Be electrically connected and form.The floating control coil winding 13 of last coil winding 11, intermediate coil winding 15 and magnetic all is electrically connected with the input end of electric energy recovery circuit, and the output terminal of electric energy recovery circuit is electrically connected with storage battery E.
Embodiment 2: with reference to Fig. 4, embodiment 2 is basic identical with embodiment 1 magnetic suspension flexible vibration damper for vehicle structure, just in inner barrel 23, be positioned at, following permanent magnet 9, permanent magnet 14 in the middle of being equipped with one between 19, interior, outer cylinder body 23, between 18, and permanent magnet 14 opposite positions are provided with intermediate coil winding 15 in the middle of one, respectively in last coil winding 11, on the intermediate coil winding 15, all be equipped with the lower end, under the quick ring 12a that shakes, 12b, last coil winding 11 following shake quick ring 12b and intermediate coil winding 15 on the quick ring 12a that shakes, intermediate coil winding 15 the following quick ring 12b that shakes floats and controls the utmost point 16 with shaking to be equipped with between the dependent sensor 20 by be connected with the floating control coil winding 13 of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies 17.The magnetic pole that last permanent magnet 9 and middle permanent magnet 14 are relative is identical, and magnetic pole relative between middle permanent magnet 14 and the following permanent magnet 19 is identical.
The present invention does not limit to above-mentioned two embodiments, can also be according to the vehicle needs, in inner barrel 23, be positioned at, following permanent magnet 9, between 19 or be equipped with a plurality of in the middle of permanent magnets 14, interior, outer cylinder body 23, between 18, and permanent magnet 14 opposite positions are provided with intermediate coil winding 15 separately in the middle of a plurality of, and quick ring 12a shakes on following the shake quick ring 12b and the intermediate coil winding 15 separately of last coil winding 11, quick ring 12a shakes on following the shake quick ring 12b and the adjacent intermediate coil winding 15 of intermediate coil winding 15, adjacent intermediate coil winding 15 following shakes to be equipped with between quick ring 12b and the sensor 20 by be connected with the floating control coil winding 13 of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies 17 and floats and control the utmost point 16.
Last permanent magnet 9, middle permanent magnet 14 and following permanent magnet 19 all adopt rare earth permanent-magnetic material, cobalt or neodymium iron boron.Inner barrel 23, outer cylinder body 18 and dust proof tube 4 all adopt stainless steel to make.Non-magnetic conduction packing ring 8a, 21b all adopt stainless steel to make.The good copper material of quick ring 12a, 12b employing electric conductivity that shakes is made.Working beam 2 adopts Ordinary Steel or stainless steel to make.Cushion pad 5 adopts rubber material to make.Last coil winding 11, the floating control coil winding 13 of magnetic, intermediate coil winding 15 are the coil that directly is around on inner barrel 23 outer tube walls, or are the coil of band skeleton, or are the coil of silicon sheet core band skeleton.The dependent sensor 20 that shakes adopts existing commercially available prod.Can be mercury, Metal Ball, light-operated, inductance transducer.
Be that example is narrated magnetic suspension flexible vibration damper for vehicle working procedure of the present invention with embodiment 2 below: the last hanger 1 of magnetic suspension flexible vibration damper for vehicle is connected with vehicle frame, following hanger 22 is connected with vehicle bridge, when vehicle is subjected to the impact on road surface and the ocsillator strenght that produces vibration force when reaching set condition, the dependent sensor 20 that shakes is connected the floating control of the magnetic utmost point 16, in compression stroke, the intermediate coil winding 15 and the floating control of two magnetic utmost point 16 that is provided with between the dependent sensor 20 that shakes are connected, electric current during connection is for just, the magnetic and the middle permanent magnet 14 that produce, the polarity of following permanent magnet 19 is identical, strengthened magnetic repulsion, make the damping behavior hardening, realize maglev vehicle vibration damping hardware features; When upholding, between last coil winding 11 and the intermediate coil winding 15, the intermediate coil winding 15 and the floating control of two magnetic utmost point 16 that is provided with between the dependent sensor 20 that shakes are connected simultaneously, and the current opposite in direction of current direction and compression stroke, the magnetic of two the floating control of magnetic utmost points, 16 generations is opposite with the polarity of middle permanent magnet 14, following permanent magnet 19, produces magnetic attraction, realizes metamagnetism and suction, produce damping usefulness by magnetic attraction, the control extension stroke.This device can be converted into direct current energy by the electric energy recovery circuit that is electrically connected with last coil winding 11, intermediate coil winding 15, the floating control coil winding 16 of magnetic with vibration kinetic energy and be storage battery E charging, therefore can reclaim and make vibration kinetic energy to be fully used, to save the energy.
The magnetic suspension flexible vibration damper for vehicle model machine of the embodiment of the invention 2 in March 24 in 2005 Nikkei Jilin Province vehicle combination property inspection center station carried out Performance Detection, realize the object of the invention and reached beneficial effect, its vibration damping usefulness and ground connection index are made the reference standard curve a of the evaluation wheel ground connection property of association (EUSAMA) recommendation according to European vibration damper, be better than reference standard curve a in most of zone, more be better than to contrast several existing employing car dydraulic shock absorbers.
Claims (7)
1. magnetic suspension flexible vibration damper for vehicle, it is characterized in that: it comprises inner barrel, permanent magnet is equipped with in upper end in inner barrel, last permanent magnet is connected with working beam by non-magnetic conduction packing ring, lower end in inner barrel is fixed with permanent magnet down, outside inner barrel, be equipped with outer cylinder body, interior, between the outer cylinder body, and last, following permanent magnet opposite position is respectively equipped with coil winding, dependent sensor shakes, on last coil winding, be equipped with respectively the lower end surface, under the quick ring that shakes, float and control the utmost point with shaking to be provided with between the dependent sensor at last coil winding the following quick ring that shakes by be connected with the floating control coil winding of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies.
2. magnetic suspension flexible vibration damper for vehicle according to claim 1, it is characterized in that: in inner barrel, be positioned at, one or more middle permanent magnets are housed between the following permanent magnet, interior, between the outer cylinder body, and the permanent magnet opposite positions are provided with intermediate coil winding separately in the middle of one or more, respectively in last coil winding, on the intermediate coil winding separately, all be equipped with the lower end, under the quick ring that shakes, quick ring shakes on following the shake quick ring and the adjacent intermediate coil winding of last coil winding, intermediate coil winding the following quick ring that shakes floats and controls the utmost point with shaking to be equipped with between the dependent sensor by be connected with the floating control coil winding of the magnetic magnetic formed of the floating control of magnetic soft magnetic bodies.
3. magnetic suspension flexible vibration damper for vehicle according to claim 1, it is characterized in that: the described floating control coil winding of coil winding, intermediate coil winding and magnetic of going up all is electrically connected with the input end of electric energy recovery circuit, and the output terminal of electric energy recovery circuit is electrically connected with storage battery E.
4. magnetic suspension flexible vibration damper for vehicle according to claim 3 is characterized in that: described electric energy recovery circuit is by bridge rectifier diode VD
1-VD
4, inductance L
1, L
2, triode V
1, V
2, charging diode D
1, D
2, D
3, capacitor C
1, C
2Be electrically connected and form.
5. magnetic suspension flexible vibration damper for vehicle according to claim 1 is characterized in that: be nested with dust proof tube in the outer cylinder body upper end, dust proof tube, working beam are all fixed with last hanger.
6. magnetic suspension flexible vibration damper for vehicle according to claim 1 is characterized in that: be nested with limit spring on the working beam that is positioned at above the non-magnetic conduction packing ring.
7. magnetic suspension flexible vibration damper for vehicle according to claim 1 is characterized in that: the lower end of inside and outside cylindrical shell is all fixed with following hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100170111A CN100396953C (en) | 2005-07-29 | 2005-07-29 | Magnetic suspension flexible vibration damper for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100170111A CN100396953C (en) | 2005-07-29 | 2005-07-29 | Magnetic suspension flexible vibration damper for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730967A CN1730967A (en) | 2006-02-08 |
| CN100396953C true CN100396953C (en) | 2008-06-25 |
Family
ID=35963372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100170111A Expired - Fee Related CN100396953C (en) | 2005-07-29 | 2005-07-29 | Magnetic suspension flexible vibration damper for vehicle |
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| TWI422755B (en) * | 2011-08-04 | 2014-01-11 | Wistron Corp | Vibration-isolating screw |
| CN102425635A (en) * | 2011-10-12 | 2012-04-25 | 黄强 | Shock absorber for generating power with suspension magnet in damping working state |
| CN102619925B (en) * | 2012-04-23 | 2014-04-09 | 江苏大学 | Variable damping magnetic spring |
| CN102777525B (en) * | 2012-07-10 | 2014-04-23 | 北京航空航天大学 | Eddy current energy consumption damper for suppressing axial vibration |
| RU2529425C1 (en) * | 2013-05-27 | 2014-09-27 | Антон Николаевич Сергиенко | System of control over electrical shock-absorber - transducer of vehicle suspension |
| CN104242593B (en) * | 2014-09-28 | 2017-12-12 | 石瑞林 | Permanent magnetic body self-induction magnetic suspending damper formula magnetic force head-on collision TRT |
| PL235743B1 (en) * | 2017-09-01 | 2020-10-19 | Politechnika Poznanska | Magnetic shock absorber |
| CN108443400A (en) * | 2018-03-23 | 2018-08-24 | 宁波希奇服饰有限公司 | A kind of textile machine noise-decreasing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06218690A (en) * | 1993-01-26 | 1994-08-09 | Hitachi Ltd | Damping of vibration of driving device which is magnetically joined |
| CN2278110Y (en) * | 1996-01-31 | 1998-04-08 | 赵韩 | Magnetic force shock-absorber |
| JP2957014B2 (en) * | 1991-03-01 | 1999-10-04 | 日立金属株式会社 | Rotary vibration damper |
| CN2400304Y (en) * | 1999-12-13 | 2000-10-11 | 盛喜林 | Suspended vibration-damper of vehicle |
| CN1280075A (en) * | 2000-08-24 | 2001-01-17 | 陈缨 | Damper for vehicle |
| CN2428332Y (en) * | 2000-04-28 | 2001-05-02 | 张勇 | Electromagnetic shock-reducer of automobiles |
| JP2004215375A (en) * | 2002-12-27 | 2004-07-29 | 紘二 ▲吉▼岡 | Power generating damper device |
| CN2811663Y (en) * | 2005-07-29 | 2006-08-30 | 毕国忠 | Magnetic levitation flexible vibration damper for vehicle |
-
2005
- 2005-07-29 CN CNB2005100170111A patent/CN100396953C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2957014B2 (en) * | 1991-03-01 | 1999-10-04 | 日立金属株式会社 | Rotary vibration damper |
| JPH06218690A (en) * | 1993-01-26 | 1994-08-09 | Hitachi Ltd | Damping of vibration of driving device which is magnetically joined |
| CN2278110Y (en) * | 1996-01-31 | 1998-04-08 | 赵韩 | Magnetic force shock-absorber |
| CN2400304Y (en) * | 1999-12-13 | 2000-10-11 | 盛喜林 | Suspended vibration-damper of vehicle |
| CN2428332Y (en) * | 2000-04-28 | 2001-05-02 | 张勇 | Electromagnetic shock-reducer of automobiles |
| CN1280075A (en) * | 2000-08-24 | 2001-01-17 | 陈缨 | Damper for vehicle |
| JP2004215375A (en) * | 2002-12-27 | 2004-07-29 | 紘二 ▲吉▼岡 | Power generating damper device |
| CN2811663Y (en) * | 2005-07-29 | 2006-08-30 | 毕国忠 | Magnetic levitation flexible vibration damper for vehicle |
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|---|---|
| CN1730967A (en) | 2006-02-08 |
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Granted publication date: 20080625 Termination date: 20110729 |