CN205244233U - From energizing quantity formula vehicle magnetorheological damper device - Google Patents
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- CN205244233U CN205244233U CN201521054649.8U CN201521054649U CN205244233U CN 205244233 U CN205244233 U CN 205244233U CN 201521054649 U CN201521054649 U CN 201521054649U CN 205244233 U CN205244233 U CN 205244233U
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Abstract
The utility model discloses a from energizing quantity formula vehicle magnetorheological damper device, including vibration damper body and vibration damper controller, the vibration damper body includes first cylinder body, piston rod, piezoelectricity electrical cell, passes power spring unit, magnetorheological damper unit and electromagnetic induction unit, piezoelectricity electrical cell includes a plurality of piezoelectricity modules, and it has a plurality of piezoelectric vibrator all to inlay in every piezoelectricity module, it includes spring plate, lower spring plate, lower spring cassette, goes up the spring cassette and pass the power spring to pass power spring unit, the magnetorheological damper unit includes outer cylinder, inner cylinder tube, lower seal end cover, upper seal end cover, permanent magnet safety cover, goes up damping passageway, lower damping passageway, excitation coil and piston, the electromagnetic induction unit includes leak protection magnetosheath, second cylinder body, a plurality of permanent magnet and electromagnetic induction coil. The utility model discloses compact structure presents the energy efficiency height, and job stabilization nature and reliability are high, is in the best state in the time of can making the damping, and the practicality is strong, uses broad prospect.
Description
Technical field
The utility model belongs to vehicle damper technical field, is specifically related to a kind of confession energy type vehicle magnetic current variable resistanceBuddhist nun's device.
Background technology
Magnetic flow liquid is a kind of desirable intellectual material, and it can be good by flowing at short notice under the effect in magnetic fieldLiquid become viscous fluid, there is certain yield characteristic, its yield strength increases with the increase of magnetic field intensity, application magneticThe MR damper that this characteristic of rheology liquid is manufactured, under the effect of externally-applied magnetic field, its damping characteristic has excursionGreatly, the advantages such as easy control, coordinate certain control strategy, and MR damper can become half desirable master of a kind of function admirableThe moving damper of controlling, compares with existing damper, and the electric current that can pass in magnet exciting coil by real-time control reaches controlThe object of damping force.
Because MR damper has, response is fast, damping force is large, energy requirement is little, mechanism is simple, the spy of good endurancePoint, even if still can serve as Passive Control device in the situation that control system lost efficacy, has very strong reliability, practicality. CanLocate to be widely used in various vehicles, helicopter, health and fitness facilities, civil construction, large-span structure (frame, beam, bridge) etc., and, magneticThe shear yield stress of rheological fluid is 38～50 times of er material shear yield stress, and like this, magnetorheological device canBecome device volume than electric current much smaller, insensitive to impurity effect. But itself or a kind of semi-automatic control device, needConsume part energy, limited the popularization of MR damper, in order to address this problem, someone has proposed confession energy typeMR damper, the required real-time damping that although somewhat simple in structure, low-response, poor reliability, energy consumption be large, provideThe defects such as power deficiency, confession finite energy.
The Chinese utility model patent that for example application number is 201310471102.7 discloses a kind of self-supplied magnetic current resistanceBuddhist nun's device, this self-powered damping device mainly comprises cylinder barrel, positioning tube, compensating unit, air core coil and permanent magnet etc., its compensating unitBe arranged in positioning tube, air core coil is arranged in positioning tube lower chamber, permanent magnet be arranged on the inner chamber of air core coil and with benefitRepay unit and fix, on the one hand, because compensating unit exists hysteresis, fixing when the reciprocating motion of the pistons with it, compensating unitDrive permanent magnet to move back and forth at the inner chamber of air core coil the electric energy that mechanical energy is converted into, not only unstable but also can not meetThe energy requirement of its damper self, another side, the magnetic field that permanent magnet cuts magnetic induction lines produces produces and interferes shadow magnetic flow liquidRing, the path, magnetic field that the magnetic flow liquid flow-type of simultaneously its design passes through is shorter, can better not provide play a role requiredEffective magnetic field, the Chinese utility model patent application that for example application number is 200910103744.5 again discloses a kind of self-poweredMR damper, when it moves by damper, magnetic flow liquid changes butterfly to washing away of multiple blades into rectilinear motion and turnsIt is the variation of magnetic field intensity that thereby the rotation of son changes the magnetic flux of coil on butterfly rotor, realizes mechanical energy turning to electric energyChange, but the blade of this structure must be processed into special shape, processed complex, simultaneously due to environment reason of living in, it is sufferedThe size of centrifugal action is limited, causes blade rotational speed limited, and energy conversion efficiency is lower, can not meet the need of required electric energyAsk, the magnetic field utilization rate that its magnet exciting coil produces is limited.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, and a kind of confession is providedEnergy type vehicle magnetorheological damping device, its compact conformation, rationally novel in design, it is convenient to realize, and energy regenerative efficiency is high, working stabilityProperty and reliability are high, and in best state, practical can make vibration damping time, prospect of the application is wide, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of confession energy type vehicle magnetic currentBecome damping unit, it is characterized in that: comprise the first cylinder body and pass from top to bottom the piston rod of the first cylinder body, and piezo-electric generatingUnit, power transmission spring unit, magnetorheological damping unit and electromagnetic induction unit;
Described piezo-electric generating unit comprise be arranged on the first cylinder body inner bottom part and by biadhesive sheet iron alternate bondingMultiple piezo electric module, in each described piezo electric module, be all inlaid with multiple piezoelectric vibrators; The piezo electric module that is positioned at the bottom is logicalThe interior diapire of crossing biadhesive sheet iron and the first cylinder body is bonding;
Described power transmission spring unit comprises the upper spring pressing plate and the lower spring pressing plate that are disposed on the first cylinder body internal upper part,The underrun biadhesive sheet iron of described lower spring pressing plate is bonding with the piezo electric module that is positioned at top layer, and described lower spring is pressedThe top of plate is fixedly connected with lower spring deck, and the bottom of described upper spring pressing plate is fixedly connected with upper spring deck, described onBetween spring stand and lower spring deck, be provided with power transmission spring, the upper end of described power transmission spring and upper spring deck are fixing to be connectedConnect, the lower end of described power transmission spring is fixedly connected with lower spring deck;
Described magnetorheological damping unit comprises and is fixedly connected on the outer cylinder at upper spring pressing plate top and is sleeved on outer cylinderInner inner cylinder tube, lower end, upper spring pressing plate and the upper spring deck of described outer cylinder are slidably connected by the first sliding bearingAt piston rod middle part, in described outer cylinder, bottom is provided with energy-storage buffering dividing plate and is fixedly connected on energy-storage buffering dividing plate topLower seal end cap, the space in described energy-storage buffering dividing plate and outer cylinder between diapire is energy-storage buffering chamber, described energy-storage bufferingDividing plate and lower seal end cap are slidably connected at piston rod middle part by the second sliding bearing, described outer cylinder internal upper part be provided withThe upper end cover that outer cylinder inner roof wall is fixedly connected with, described outer cylinder top is fixedly connected with the permanent magnetism that covers on outer cylinder outsideBody protective cover, the upper end of described outer cylinder, the upper end of permanent magnet protective cover and upper end cover slide by the 3rd sliding bearingBe connected to piston rod top, the cavity in described outer cylinder between upper end cover and lower seal end cap is for being filled with magnetic currentThe magnetorheological damping chamber that becomes liquid, described inner cylinder tube separates described magnetorheological damping chamber in order to be positioned at outer wall and the outer shell of inner cylinder tubeOuter magnetorheological damping chamber between the inwall of cylinder and the interior magnetorheological damping chamber between inwall and the piston rod of inner cylinder tube, instituteState between inner cylinder tube top and upper end cover bottom and be provided with damp channel, described inner cylinder tube bottom and lower seal end cap topBetween portion, be provided with lower damp channel, in the top exterior walls of described inner cylinder tube He in bottom outer wall, be all wound with magnet exciting coil, instituteState piston rod top and be fixedly connected with the piston that is positioned at magnetorheological damping chamber;
Described electromagnetic induction unit comprises that the outer wall of being close to outer cylinder is sleeved on the leakproof magnetosheath of outer cylinder outside and fixesBe connected to second cylinder body at the first cylinder body top, described the second cylinder side cover is in permanent magnet protective cover, outside described leakproof magnetosheathBetween the inwall of wall and the second cylinder body, be provided with gap, on the inwall of described the second cylinder body, be arranged at intervals with multiple permanent magnets, instituteState on the outer wall of leakproof magnetosheath and be wound with electromagnetic induction coil;
The bottom of described piston rod is fixedly connected with lower lift ring, and the top of described permanent magnet protective cover is fixedly connected with supportSeat, the top of described supporting seat is fixedly connected with upper lift ring.
Above-mentioned confession energy type vehicle magnetorheological damping device, is characterized in that: the axial centre of described piston rod is establishedBe equipped with piston rod centre bore, the bottom of described piston rod has the piston rod cable-through hole being connected with piston rod centre bore; DescribedPermanent magnet protective cover upper end has the first protective cover cable-through hole and the second protective cover cable-through hole.
Above-mentioned confession energy type vehicle magnetorheological damping device, is characterized in that: the internal diameter of described the second cylinder body is greater thanThe internal diameter of the first cylinder body.
Above-mentioned confession energy type vehicle magnetorheological damping device, is characterized in that: the quantity of described piezo electric module is threeIndividual, being shaped as of described piezo electric module is cylindrical, is all inlaid with 12 piezoelectric vibrators, 12 in each described piezo electric modulePiezoelectric vibrator divides the geometric center taking piezo electric module after two groups evenly to lay ringwise as the center of circle.
Above-mentioned confession energy type vehicle magnetorheological damping device, is characterized in that: described biadhesive sheet iron thickDegree is 0.15mm～0.5mm.
The utility model compared with prior art has the following advantages:
1, the utility model compact conformation, rationally novel in design, realization is convenient and cost is low, produces electric energy many, damping forceCan be in quite on a large scale real-time change, energy transformation ratio is high.
2, piezo electric module of the present utility model has novel arrangement form, combine with biadhesive sheet iron simultaneously,Structure is compacter, and the electric energy of generation is more.
3, the electromagnetic induction coil of the utility model electromagnetic induction unit is wrapped on the outer wall of leakproof magnetosheath, permanent magnet clothPut on the inwall of the second cylinder body, then by leakproof magnetosheath is set, can avoids the magnetic field being produced by electromagnetic induction coil and encourageThe magnetic field interference that magnetic coil produces.
4, on the utility model, the design of damp channel and lower damp channel is ingenious, can make described magnetorheological damping unitThe magnetic flow liquid magnetic field utilization rate of flowing through when motion is herein higher, thereby produces larger damping force, reaches the order of real-time vibration damping.
5, the utility model adopts piezo-electric generating unit and electromagnetic induction unit jointly to produce electric energy to realize the effect of energy regenerative,Can produce enough electric energy, supply with magnetorheological damping unit and use, even the in the situation that of power cut-off or deficiency, this realityCan be operated under energy regenerative pattern with novel always, the unnecessary power delivery producing can be stored to Vehicular accumulator cell,Not only can save energy, and can use in case of need.
6, functional reliability of the present utility model and stability are high, even if realize piezo-electric generating unit and the electromagnetism sense of energy regenerativeAnswer element failure, also can serve as general damper and use, the operating mode can not make working time worsens.
7, the utility model can make semi-active suspension in best vibration damping state, can highlight better magnetic current variable resistanceBuddhist nun's device ACTIVE CONTROL effect in the course of the work.
8, of the present utility model practical, result of use is good, meets currently can realize better vibration damping and can produce againThe object of the electric energy that consumes when enough energy regeneratives, prospect of the application is wide, is convenient to promote the use of.
In sum, compact conformation of the present utility model, rationally novel in design, it is convenient to realize, and energy regenerative efficiency is high, and work is steadyQualitative high with reliability, in best state, practical can make vibration damping time, prospect of the application is wide, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Description of reference numerals:
1-lower lift ring; The 2-the first cylinder body; 3-magnetic flow liquid;
4-piezo electric module; 5-biadhesive sheet iron; 6-piezoelectric vibrator;
7-lower damp channel; The 8-the second cylinder body; 9-permanent magnet;
10-electromagnetic induction coil; 11-permanent magnet protective cover; 12-leakproof magnetosheath;
14-outer cylinder; 15-supporting seat; The 16-the first protective cover cable-through hole;
The 17-the second protective cover cable-through hole; 18-piston rod cable-through hole;
19-upper lift ring; The 20-the three sliding bearing; 21-upper end cover;
22-upper damp channel; 23-magnet exciting coil; 24-interior magnetorheological damping chamber;
25-outer magnetorheological damping chamber; 26-piston; 27-inner cylinder tube;
The 30-the second sliding bearing; 31-lower seal end cap; 32-energy-storage buffering dividing plate;
33-energy-storage buffering chamber; The 34-the first sliding bearing; 35-upper spring pressing plate;
36-upper spring deck; 37-power transmission spring; 38-lower spring deck;
39-lower spring pressing plate; 40-piston rod; 41-piston rod centre bore.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, confession energy type vehicle magnetorheological damping device of the present utility model, comprises firstCylinder body 2 and from top to bottom through the piston rod 40 of the first cylinder body 2, and piezo-electric generating unit, power transmission spring unit, magnetic current variable resistanceBuddhist nun unit and electromagnetic induction unit;
Described piezo-electric generating unit comprises and is arranged on the first cylinder body 2 inner bottom parts and alternate sticky by biadhesive sheet iron 5The multiple piezo electric module 4 that connect, are all inlaid with multiple piezoelectric vibrators 6 in each described piezo electric module 4; Be positioned at the piezoelectricity mould of the bottomPiece 4 is bonding by the interior diapire of biadhesive sheet iron 5 and the first cylinder body 2; When concrete enforcement, described biadhesive sheet iron 5To make by the upper surface at sheet iron and the equal smearing structure glue of lower surface;
Described power transmission spring unit comprises the upper spring pressing plate 35 and the lower spring pressure that are disposed on the first cylinder body 2 internal upper partsPlate 39, the underrun biadhesive sheet iron 5 of described lower spring pressing plate 39 is bonding with the piezo electric module 4 that is positioned at top layer, instituteThe top of stating lower spring pressing plate 39 is fixedly connected with lower spring deck 38, and the bottom of described upper spring pressing plate 35 is fixedly connected withSpring stand 36, is provided with power transmission spring 37 between described upper spring deck 36 and lower spring deck 38, described power transmission spring 37Upper end be fixedly connected with upper spring deck 36, the lower end of described power transmission spring 37 is fixedly connected with lower spring deck 38;
Outside described magnetorheological damping unit comprises and is fixedly connected on the outer cylinder 14 at upper spring pressing plate 35 tops and is sleeved onThe inner cylinder tube 27 of cylinder barrel 14 inside, lower end, upper spring pressing plate 35 and the upper spring deck 36 of described outer cylinder 14 are sliding by firstDynamic bearing 34 is slidably connected at piston rod 40 middle parts, and the interior bottom of described outer cylinder 14 is provided with energy-storage buffering dividing plate 32 and fixing companyBe connected on the lower seal end cap 31 at energy-storage buffering dividing plate 32 tops, between described energy-storage buffering dividing plate 32 and the interior diapire of outer cylinder 14Space is energy-storage buffering chamber 33, and described energy-storage buffering dividing plate 32 and lower seal end cap 31 are slidably connected by the second sliding bearing 30At piston rod 40 middle parts, described outer cylinder 14 internal upper parts are provided with the upper end cover being fixedly connected with outer cylinder 14 inner roof walls21, described outer cylinder 14 tops are fixedly connected with the permanent magnet protective cover 11 that covers on outer cylinder 14 outsides, described outer cylinder 14The upper end of upper end, permanent magnet protective cover 11 and upper end cover 21 are slidably connected on piston rod 40 by the 3rd sliding bearing 20Portion, the cavity in described outer cylinder 14 between upper end cover 21 and lower seal end cap 31 is to be filled with magnetic flow liquid 3Magnetorheological damping chamber, described inner cylinder tube 27 separates described magnetorheological damping chamber in order to be positioned at outer wall and the outer cylinder of inner cylinder tube 27Outer magnetorheological damping chamber 25 between 14 inwall and the interior magnetic current variable resistance between inwall and the piston rod 40 of inner cylinder tube 27Buddhist nun chamber 24, is provided with damp channel 22 between described inner cylinder tube 27 tops and upper end cover 21 bottoms, described inner cylinder tube 27Between bottom and lower seal end cap 31 tops, be provided with lower damp channel 7, outside in the top exterior walls of described inner cylinder tube 27 and bottomOn wall, be all wound with magnet exciting coil 23, described piston rod 40 tops are fixedly connected with the piston that is positioned at magnetorheological damping chamber 2426；
Described electromagnetic induction unit comprises that the outer wall of being close to outer cylinder 14 is sleeved on the leakproof magnetosheath 12 of outer cylinder 14 outsidesWith the second cylinder body 8 that is fixedly connected on the first cylinder body 2 tops, described the second cylinder body 8 covers in permanent magnet protective cover 11, described anti-Between the outer wall of leakage field cover 12 and the inwall of the second cylinder body 8, be provided with gap, on the inwall of described the second cylinder body 8, be arranged at intervals withMultiple permanent magnets 9, are wound with electromagnetic induction coil 10 on the outer wall of described leakproof magnetosheath 12; When concrete enforcement, described magnetic-leakage preventingCover 12 is made up of non-magnet material, magnetic field and the excitation wire of described leakproof magnetosheath 12 for avoiding being produced by electromagnetic induction coil 10The magnetic field interference that circle 23 produces;
The bottom of described piston rod 40 is fixedly connected with lower lift ring 1, and the top of described permanent magnet protective cover 11 is fixedly connected withHave supporting seat 15, the top of described supporting seat 15 is fixedly connected with upper lift ring 19.
As depicted in figs. 1 and 2, in the present embodiment, the axial centre of described piston rod 40 is provided with piston rod centre bore 41,The bottom of described piston rod 40 has the piston rod cable-through hole 18 being connected with piston rod centre bore 41; Described permanent magnet protective cover11 upper ends have the first protective cover cable-through hole 16 and the second protective cover cable-through hole 17.
As shown in Figure 1, in the present embodiment, the internal diameter of described the second cylinder body 8 is greater than the internal diameter of the first cylinder body 2.
As shown in figures 1 and 3, in the present embodiment, the quantity of described piezo electric module 4 is three, the shape of described piezo electric module 4Shape is cylindrical, is all inlaid with after 6 points two groups of 6, ten two piezoelectric vibrators of 12 piezoelectric vibrators in each described piezo electric module 4Geometric center taking piezo electric module 4 is evenly laid ringwise as the center of circle.
In the present embodiment, the thickness of described biadhesive sheet iron 5 is 0.15mm～0.5mm.
The course of work of the present utility model is: in the time that Vehicle Driving Cycle is on uneven road surface, upper lift ring 19 produces with lower lift ring 1Relative motion, upper lift ring 19 motions drive 15 motions of supporting seat, thereby drive described magnetorheological damping block motion, nowThe upper lower volume in interior magnetorheological damping chamber 24 changes, in the time that described magnetorheological damping module moves downward, and interior magnetic current variable resistanceThe lower volume in Buddhist nun chamber 24 reduces, and upper volume increases, and magnetic flow liquid 3 is damp channel 7 and upper from 24 processes of interior magnetorheological damping chamberDamp channel 22 flows in outer magnetorheological damping chamber 25, in the time that described magnetorheological damping module moves upward, and interior magnetorheological dampingThe lower volume in chamber 24 increases, and upper volume reduces, and magnetic flow liquid 3 is from the 25 upper damp channel 22 of process and the lower resistances of outer magnetorheological damping chamberBuddhist nun's passage 7 flows in interior magnetorheological damping chamber 24, makes described vehicle damper produce damping force; On the one hand, described magnetorheologicalWhen damping module motion, drive electromagnetic induction coil 10 to produce motion with respect to permanent magnet 9, cutting magnetic induction line produces electric energy logicalCross after external rectifier rectification, then charge to Vehicular accumulator cell through battery charging circuit, Vehicular accumulator cell output electric energy againSupply with magnet exciting coil 23; On the other hand, when described magnetorheological damping block motion, drive upper spring pressing plate 35 and upper spring deck36 motions, further realize vibration damping by power transmission spring 37, and power are passed to lower spring pressing plate 39 and lower spring deck 38, thenBe applied in piezo electric module 4, make piezoelectric vibrator 6 that direct piezoelectric effect occur, produce electric energy and pass through after external rectifier rectification, thenCharge to Vehicular accumulator cell through battery charging circuit, Vehicular accumulator cell output electric energy resupplies magnet exciting coil 23; By outsidePortion's controller control inputs, to the electric current of magnet exciting coil 23, just can regulate and change vehicle magnetorheological damping device, makes it inGood vibration damping state.
The above, be only preferred embodiment of the present utility model, not the utility model imposed any restrictions everyAny simple modification, change and the equivalent structure above embodiment done according to the utility model technical spirit change, all stillBelong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a confession energy type vehicle magnetorheological damping device, is characterized in that: comprise the first cylinder body (2) and wear from top to bottomCross the piston rod (40) of the first cylinder body (2), and piezo-electric generating unit, power transmission spring unit, magnetorheological damping unit and electromagnetismSensing unit;
Described piezo-electric generating unit comprises and is arranged on the first cylinder body (2) inner bottom part and alternate sticky by biadhesive sheet iron (5)The multiple piezo electric module (4) that connect, are all inlaid with multiple piezoelectric vibrators (6) in each described piezo electric module (4); Be positioned at the bottomPiezo electric module (4) is bonding with the interior diapire of the first cylinder body (2) by biadhesive sheet iron (5);
Described power transmission spring unit comprises the upper spring pressing plate (35) and the lower spring pressure that are disposed on the first cylinder body (2) internal upper partPlate (39), the underrun biadhesive sheet iron (5) of described lower spring pressing plate (39) and the piezo electric module (4) that is positioned at top layerBonding, the top of described lower spring pressing plate (39) is fixedly connected with lower spring deck (38), the end of described upper spring pressing plate (35)Portion is fixedly connected with upper spring deck (36), between described upper spring deck (36) and lower spring deck (38), is provided with power transmission bulletSpring (37), the upper end of described power transmission spring (37) is fixedly connected with upper spring deck (36), the lower end of described power transmission spring (37)Be fixedly connected with lower spring deck (38);
Outside described magnetorheological damping unit comprises and is fixedly connected on the outer cylinder (14) at upper spring pressing plate (35) top and is sleeved onThe inner cylinder tube (27) that cylinder barrel (14) is inner, lower end, upper spring pressing plate (35) and the upper spring deck (36) of described outer cylinder (14)Be slidably connected at piston rod (40) middle part by the first sliding bearing (34), it is slow that the interior bottom of described outer cylinder (14) is provided with accumulation of energyRush dividing plate (32) and be fixedly connected on the lower seal end cap (31) at energy-storage buffering dividing plate (32) top, described energy-storage buffering dividing plate(32) space and between the interior diapire of outer cylinder (14) is energy-storage buffering chamber (33), described energy-storage buffering dividing plate (32) and lower sealEnd cap (31) is slidably connected at piston rod (40) middle part, described outer cylinder (14) internal upper part setting by the second sliding bearing (30)Have the upper end cover (21) being fixedly connected with outer cylinder (14) inner roof wall, described outer cylinder (14) top is fixedly connected with and covers onThe permanent magnet protective cover (11) that outer cylinder (14) is outside, the upper end of described outer cylinder (14), the upper end of permanent magnet protective cover (11)Be slidably connected at piston rod (40) top with upper end cover (21) by the 3rd sliding bearing (20), in described outer cylinder (14)The cavity being positioned between end cover (21) and lower seal end cap (31) is the magnetorheological damping that is filled with magnetic flow liquid (3)Chamber, described inner cylinder tube (27) separates described magnetorheological damping chamber in order to be positioned at the outer wall of inner cylinder tube (27) and outer cylinder (14)Outer magnetorheological damping chamber (25) between inwall and be positioned at the inwall of inner cylinder tube (27) and piston rod (40) between magnetorheologicalDamping cavity (24), is provided with damp channel (22), institute between described inner cylinder tube (27) top and upper end cover (21) bottomState between inner cylinder tube (27) bottom and lower seal end cap (31) top and be provided with lower damp channel (7), described inner cylinder tube (27)In top exterior walls He in bottom outer wall, be all wound with magnet exciting coil (23), described piston rod (40) top is fixedly connected with and is positioned atPiston (26) in magnetorheological damping chamber (24);
Described electromagnetic induction unit comprises that the outer wall of being close to outer cylinder (14) is sleeved on the outside leakproof magnetosheath of outer cylinder (14)(12) and be fixedly connected on second cylinder body (8) at the first cylinder body (2) top, described the second cylinder body (8) covers on permanent magnet protective cover(11), in, between the outer wall of described leakproof magnetosheath (12) and the inwall of the second cylinder body (8), be provided with gap, described the second cylinder body(8) on inwall, be arranged at intervals with multiple permanent magnets (9), on the outer wall of described leakproof magnetosheath (12), be wound with electromagnetic induction coil(10)；
The bottom of described piston rod (40) is fixedly connected with lower lift ring (1), the fixing company of top of described permanent magnet protective cover (11)Be connected to supporting seat (15), the top of described supporting seat (15) is fixedly connected with upper lift ring (19).
2. according to confession energy type vehicle magnetorheological damping device claimed in claim 1, it is characterized in that: described piston rod(40) axial centre is provided with piston rod centre bore (41), and the bottom of described piston rod (40) has and piston rod centre bore(41) the piston rod cable-through hole (18) being connected; Described permanent magnet protective cover (11) upper end has the first protective cover cable-through hole (16)With the second protective cover cable-through hole (17).
3. according to confession energy type vehicle magnetorheological damping device claimed in claim 1, it is characterized in that: described the second cylinder body(8) internal diameter is greater than the internal diameter of the first cylinder body (2).
4. according to confession energy type vehicle magnetorheological damping device claimed in claim 1, it is characterized in that: described piezo electric module(4) quantity is three, and being shaped as of described piezo electric module (4) is cylindrical, in each described piezo electric module (4), is all inlaid with tenTwo piezoelectric vibrators (6), after 12 piezoelectric vibrators (6) points two groups taking the geometric center of piezo electric module (4) as the center of circle ringwiseEvenly lay.
5. according to confession energy type vehicle magnetorheological damping device claimed in claim 1, it is characterized in that: described biadhesiveThe thickness of sheet iron (5) is 0.15mm～0.5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521054649.8U CN205244233U (en) | 2015-12-17 | 2015-12-17 | From energizing quantity formula vehicle magnetorheological damper device |
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| CN201521054649.8U CN205244233U (en) | 2015-12-17 | 2015-12-17 | From energizing quantity formula vehicle magnetorheological damper device |
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