CN101936360A - Semi-active control magnetorheological hydraulic mount for automotive powertrain - Google Patents
Semi-active control magnetorheological hydraulic mount for automotive powertrain Download PDFInfo
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- CN101936360A CN101936360A CN2010102732580A CN201010273258A CN101936360A CN 101936360 A CN101936360 A CN 101936360A CN 2010102732580 A CN2010102732580 A CN 2010102732580A CN 201010273258 A CN201010273258 A CN 201010273258A CN 101936360 A CN101936360 A CN 101936360A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/30—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
- F16F13/305—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids magnetorheological
Abstract
The invention relates to a semi-active control magnetorheological hydraulic mount for an automotive powertrain, which belongs to a semi-active control element used for vibration control of an engine and is an engine mount filled with magnetorheological fluid, wherein the viscosity of the fluid changes along with the change of the strength of a magnetic field, and the semi-active control magnetorheological hydraulic mount mainly comprises a metal framework, a rubber main spring, a coil holder, an electromagnetic coil, a magnetic conductive channel body, an inertia channel assembly, a rubber basement membrane, a bottom framework and the like, and can control the strength of applied current according to the working condition of the engine by utilizing the viscosity of the magnetorheological fluid and the following performance of the strength of the magnetic field, further change the viscosity of the fluid, lead the vibration of the engine to be well attenuated in a wider frequency band and further actively isolate the transfer of vibration noise of the engine into an automobile in the wider frequency band. A vibration damper for the magnetorheological hydraulic mount for the engine can effectively isolate the vibration of the engine, reduce the noise in the automobile and improve the NVH properties of the whole automobile, thereby having great market potential and broad prospects.
Description
Technical field:
The present invention relates to a kind of power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, belong to the auto parts and components field.
Background technique:
In the last few years, on the one hand along with Automobile Design develops to high pulling torque, lightweight direction, cause the NVH of engine luggine aggravation, car load (to be meant noise, vibration and sound vibration roughness) characteristic degradation, people require more and more highlyer to the travelling comfort of vehicle ride on the other hand, make passive the suspending of traditional power assembly can not satisfy vibration isolation requirement between engine luggine and vehicle frame well.Introduce motor magnetic flow liquid hydraulic suspension vibration damping equipment, can isolate the transmission of vibration noise in car of motor very effectively.With traditional passive suspend to suspend with the active engine mount of other form such as piezoelectricity compare, the power assembly magnetic flow liquid hydraulic suspension that the present invention relates to has very significantly advantage: (1) adopts half ACTIVE CONTROL, realize low frequency vibration isolation optimal damping characteristic by regulating magnetic intensity, can in the frequency band of broad, isolate the transmission of engine luggine and noise effectively, especially the vibration during engine idle; (2) structure is compact more, is more suitable for installing; (3) reliable operation under the situation that half active member lost efficacy, also has the anti-vibration performance of passive hydraulic mount; (4) energy consumption is few, can be in the using scope of vehicular energy.
Summary of the invention:
The purpose of present technique invention is that a kind of half ACTIVE CONTROL of invention suspends and replaces traditional passive type to suspend, be the viscosity that changes magnetic rheological liquid by the change of externally-applied magnetic field intensity, and then the half ACTIVE CONTROL hydraulic mount that the rigidity and the damping characteristic of hydraulic mount are regulated.Thereby the transmission of active isolation engine luggine noise in car in the raising low-frequency band improves the suspend defective of low frequency dynamic stiffness and underdamping of conventional hydraulic, better improves the NVH performance of car load.
Above-mentioned purpose of the present invention is achieved in that accompanying drawings is as follows:
A kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, comprise rubber spring (2), metal frame (12), rubber counterdie (11), bottom skeleton (10) and fluid passage assembly, described metal frame 12 is connected with rubber spring (2) sulfuration, metal frame 12, rubber spring (2) and rubber counterdie (11) constitute airtight liquid chamber, described fluid passage assembly two ends are fixed on the metal frame (12), liquid chamber is divided into upper liquid chamber and following liquid chamber, on the fluid passage assembly or be provided with controllable magnetic field intensity passage (15), or be provided with inertia channel (16) and controllable magnetic field intensity passage (15), described inertia channel (16) is a damping hole, magnetic rheological liquid flows in upper liquid chamber and following liquid chamber by inertia channel (16) and controllable magnetic field intensity passage (15), linear loss when flowing by magnetic rheological liquid and restriction loss consume vibrational energy, by the magnetic intensity in the control controllable magnetic field intensity passage (15), carry out magnetic flow liquid hydraulic suspension damping half ACTIVE CONTROL.
A kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it is formed by rubber spring 2, metal frame 12, rubber counterdie 11, bottom skeleton 10 and by the fluid passage assembly that inertia channel body upper body 6, inertia channel body upper body 7, decoupling zero film 8, magnetic conduction passage body 5 and coil base 3 constitute; 2 sulfurations are connected metal frame 12 with rubber spring, magnetic rheological liquid flows in upper liquid chamber, following liquid chamber by inertia channel 16 and controllable magnetic field intensity passage 15, linear loss when relying on flow of fluid and restriction loss consume vibrational energy, reach the purpose of vibration damping.Magnetic intensity by in the control controllable magnetic field intensity passage 15 realizes magnetic flow liquid hydraulic suspension damping half ACTIVE CONTROL, improves the vibration isolating effect under the low frequency large amplitude operating mode.
Main conception of the present invention is that traditional hydraulic mount and magnetic rheological liquid are combined, utilized the characteristic of magnetic rheological liquid under the effect of magnetic intensity, be that apparent viscosity significantly increases, mobile reduce gradually and then reach the state that stops to flow, have the anti-shearing stress that belongs to solid properties simultaneously, and the conversion of this liquid-solid rapid (normally Millisecond).
At first in suspending, conventional hydraulic designs the fluid passage 15 of controllable magnetic field intensity, when power assembly low frequency large-amplitude vibration, electromagnetic coil 4 is applied big electric current, in the fluid passage 15 of controllable magnetic field intensity, produce big magnetic intensity, the magnetic rheological liquid apparent viscosity of flowing through herein will increase and produce anti-shearing stress, thereby increases the damping characteristic of liquid, strengthens the ability that consumes vibration, effectively suppress the vibration of power assembly, reach the purpose of vibration damping, vibration isolation.Secondly because magnetic rheological liquid has bigger null field viscosity (fluid viscosity when not applying magnetic field), so the hydraulic mount damping characteristic of design inertia channel (damping hole) 16 when reducing the vibration of power assembly medium-high frequency improves vibration isolating effect.At the sensible body indoor design decoupling zero film 8 of inertia, solve the dynamic hardening phenomenon of hydraulic mount high frequency simultaneously, eliminate high frequency noise, the vibration that is delivered to vehicle body is reduced, improve the NVH performance of car load, improved the riding comfort of vehicle.
The present invention has very significantly advantage:
Power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension is the viscosity that can change magnetic rheological liquid by the change of externally-applied magnetic field intensity, and then the half ACTIVE CONTROL hydraulic mount that the rigidity and the damping characteristic of hydraulic mount are regulated.
Compare with traditional hydraulic mount:
(1) adopts half ACTIVE CONTROL, can realize low frequency vibration isolation optimal damping characteristic by regulating magnetic intensity;
(2) can very decay the effectively low frequency of power assembly significantly vibrates, and improves the low frequency vibration isolation performance;
(3) reliable operation under the situation that electromagnetic element lost efficacy, also has the anti-vibration performance of hydraulic mount;
(4) Placement between each parts can realize the sealing to liquid better;
(5) structure is compact more, is more suitable for installing;
(6) critical component fluid passage assembly has multiple structure choice, can obtain different anti-vibration performances;
(7) inertia channel has multiple structure choice, can obtain different anti-vibration performances;
(8) cost is low, and is of many uses.
Compare with general magnetic flow liquid hydraulic suspension:
(9) have inertia fluid passage (damping hole), realize better medium-high frequency isolation characteristics;
(10) have the decoupling zero film, effectively improve the dynamic hardening phenomenon of high frequency.
Description of drawings
Fig. 1 is the plan view of automobile power assembly magnetic flow liquid hydraulic suspension.
Fig. 2 (a) is the plan view of fluid passage assembly.
Fig. 2 (b) is the A-A sectional drawing of Fig. 2 (a).
Fig. 3 (a) is the fluid passage assembly plan view of inertia channel in the periphery
Fig. 3 (b) is the A-A sectional drawing of above-mentioned Fig. 3 (a)
Fig. 4 is the fluid passage assembly figure that does not have inertia channel
Fig. 5 is the fluid passage assembly figure of coil base in inside
Fig. 6 is the inertia channel with square-section
Fig. 7 is the inertia channel with circular cross-section
Fig. 8 (a) is the plan view with inertia channel assembly of 360 ° of inertia channels
Fig. 8 (b) is the B-B sectional drawing of above-mentioned Fig. 6 (a)
Fig. 9 (a) is the plan view with inertia channel assembly of 180 ° of inertia channels
Fig. 9 (b) is B-B sectional drawing and the C-C sectional drawing of above-mentioned Fig. 7 (a)
Figure 10 (a) is the plan view of a kind of structure of employing damping cellular type inertia channel
Figure 10 (b) is the A-A sectional drawing of above-mentioned Figure 10 (a)
Figure 10 (c) is the plan view of the another kind of structure of employing damping cellular type inertia channel
Among the figure: 1. 7. inertia channel body upper bodies, top connecting bolt 2. rubber spring 3. coil bases, 4. electromagnetic coil 5. magnetic conduction passage bodies, 6. inertia channel body upper bodies, 8. decoupling zero films, 9. bottom connecting bolts, 10. bottom skeletons, 11. rubber bed dies, 12. metal frames, 13. lead-in wire bolts, 14. perfusion fluid rivets, 15. controllable magnetic field intensity passages, 16. inertia channels, 17. magnetic rheological liquids, 18. rivets 19. are marked closely the inertia channel body of screw 20. another kind of structures
Embodiment:
A kind of power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension of the present invention, comprise rubber spring (2), metal frame (12), rubber counterdie (11), bottom skeleton (10) and fluid passage assembly, described fluid passage assembly is by the inertia channel body, decoupling zero film (8), magnetic conduction passage body (5) and coil base (3) are formed, decoupling zero film (8) is placed in the middle to be arranged, be fixed in the mesopore of inertia channel body or magnetic conduction passage body (5), be provided with inertia channel (16) in the inertia channel body, fixing between magnetic conduction passage body (5) and the coil base (3) by rivet (18), and formation controllable magnetic field intensity passage (15), electromagnetic coil (4) is fixed in the coil base (3), and lead is drawn with power supply is connected by lead-in wire bolt (13).
Described controllable magnetic field intensity passage (15) is arranged in the periphery of inertia channel (16), decoupling zero film (8) places in the mesopore of inertia channel body, magnetic conduction passage body (5) is fixed on the outer rim of inertia channel body, coil base (3) is fixed on the metal frame (12), and form controllable magnetic field intensity passage (15) with magnetic conduction passage body (5), be provided with inertia channel (16) in the inertia channel body.
Described inertia channel (16) is arranged in the periphery of controllable magnetic field intensity passage (15), decoupling zero film (8) places in the mesopore of magnetic conduction passage body (5), inertia channel body (20) is fixed on the metal frame (12), coil base (3) places in the groove that inertia channel body (20) inboard has, and form controllable magnetic field intensity passage (15) with magnetic conduction passage body (5), be provided with inertia channel (16) or cancellation inertia channel (16) in the inertia channel body (20).
Described decoupling zero film (8) places in the mesopore of inertia channel body, coil base (3) is fixed on the outer rim of inertia channel body, magnetic conduction passage body (5) is fixed on the metal frame (12), and form controllable magnetic field intensity passage (15) with coil base (3), be provided with inertia channel (16) in the inertia channel body.
Described inertia channel (16) adopts square or circular cross-section.
Described inertia channel (16) is around 180 ° of inertia channel bodies or 360 ° of layouts, or passes a plurality of circular holes or several annular distance less than 180 ° of distributions of inertia channel body.
Described inertia channel body is made up of the inertia channel body upper body (6) and the inertia channel body upper body (7) of one.
Perfusion fluid rivet (14) by passing rubber spring (2) and metal frame (12) is to liquid chamber perfusion magnetic rheological liquid and seal.
Further specify particular content of the present invention and working procedure thereof below in conjunction with the accompanying drawing illustrated embodiment.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it is formed by rubber spring 2, metal frame 12, rubber counterdie 11, bottom skeleton 10 and by the fluid passage assembly that inertia channel body upper body 6, inertia channel body upper body 7, decoupling zero film 8, magnetic conduction passage body 5 and coil base 3 constitute; 2 sulfurations are connected metal frame 12 with rubber spring, magnetic rheological liquid flows in upper liquid chamber, following liquid chamber by inertia channel (damping hole) 16 and controllable magnetic field intensity passage 15, linear loss when relying on flow of fluid and restriction loss consume vibrational energy, reach the purpose of vibration damping.At first ECU calculates desired optimal control power, calculate the voltage (electric current) that need be added on magnetorheological the suspending then, in controllable magnetic field intensity passage 15, produce enough magnetic intensities, make its generation level off to the initiatively damping force of optimal control power, thereby improve the vibration isolating effect under the low frequency large amplitude operating mode.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it forms upper liquid chamber by the upper surface of rubber spring 2, coil base 3, magnetic conduction passage body 5 and inertia channel body upper body 6, lower surface by rubber counterdie 11, coil base 3, magnetic conduction passage body 5 and inertia channel body lower body 7 forms down liquid chamber, liquid flows in upper liquid chamber, following liquid chamber via inertia channel (damping hole) 16 and controllable magnetic field intensity passage 15, consumes vibrational energy.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it constitutes magnetic circuit by coil base 3, magnetic conduction passage body 5 (doing magnetoconductivity material), produces magnetic field by applying electric current for electromagnetic coil 4.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it changes the magnetic rheological liquid rheological properties, and then changes the damping characteristic that suspends by the magnetic intensity in the size of current control controllable magnetic field intensity passage 15 that changes electromagnetic coil 4.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, the damping characteristic that suspends when it improves the vibration of power assembly medium-high frequency by inertia channel (damping hole) 16 improves vibration isolating effect.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it improves the dynamic hardening phenomenon of hydraulic mount high frequency by decoupling zero film 8.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, its upper liquid chamber, following liquid chamber and fluid passage assembly seal by rubber counterdie 11 and metal frame 12, prevent leak of liquid.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it is drawn the enameled cable of electromagnetic coil 4 from coil base 3 by lead-in wire bolt 13.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, it seals to liquid chamber perfusion magnetic rheological liquid and realization by perfusion fluid rivet 14.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, the power assembly low-frequency vibration can decay: when low vehicle speeds, because the vibration of motor and the excitation of the injustice on road surface cause that the low frequency of vehicle body significantly vibrates, when being subjected to downward excitation force, the vapour dynamic assembly suspension does the time spent, rubber spring 2 is compressed, this moment the upper liquid chamber smaller volume, the effect of being stressed of the magnetic rheological liquid in the upper liquid chamber enters down liquid chamber via inertia channel (damping hole) 16 and controllable magnetic field intensity passage 15.On the one hand ECU calculates desired optimal control power, calculates the voltage (electric current) that need be added on magnetorheological the suspending then, produces enough magnetic intensities in controllable magnetic field intensity passage 15, makes its generation level off to the initiatively damping force of optimal control power; Because flow of liquid produced linear loss and restriction loss at 16 o'clock through inertia channel (damping hole), this moment, hammer vibration energy obtained decay on the other hand.Therefore the low frequency that hydraulic suspension of automobile cab can the effective attenuation motor significantly vibrates, and improves the riding comfort of vehicle.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, can satisfy power assembly high-frequency vibration isolation characteristic: the dither of motor can bring out high frequency noise when high vehicle speeds, cause the early fatigue of occupant's fatigue and auto parts and components to destroy, influence the NVH performance of vehicle.This moment, hydraulic mount produced the dynamic hardening phenomenon of high frequency; liquid flows in can not be in inertia channel (damping hole) 16 and controllable magnetic field intensity passage 15; for addressing this problem; the present invention--the decoupling zero film 8 of automobile power assembly magnetic flow liquid hydraulic suspension vibration damping equipment by on inertia channel body assembly, being provided with; liquid motion around 8 motions of decoupling zero film drive during the high frequency small amplitude motion; make liquid flow at high speed in the decoupling zero passage, reduce the high frequency dynamic stiffness that suspends and effectively suppress high frequency noise, protection occupant.
The present invention's----automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, its critical component fluid passage assembly (being made of inertia channel body upper body 6, inertia channel body upper body 7, decoupling zero film 8, magnetic conduction passage body 5 and coil base 3) can have multiple structural type.The results showed, the characteristic of hydraulic mount and the relating to parameters of fluid passage, thereby can mate the fluid passage assembly of different vibration isolation requirements according to these parameters.
First kind of structure consulted shown in Figure 2.Controllable magnetic field intensity passage 15 is in the periphery of inertia channel (damping hole) 16.The inertia channel assembly of being made up of inertia channel body upper body 6, inertia channel body upper body 7 and decoupling zero film 8 connects with magnetic conduction passage body 5 by Cock screw, is fixedly connected by rivet 18 and coil base again, forms controllable magnetic field intensity passage 15 at gap location.This kind structure controllable magnetic field passage 15 length are longer, and half ACTIVE CONTROL is effective.
Second kind of structure consulted shown in Figure 3.Inertia channel (damping hole) 16 is in the periphery of controllable magnetic field intensity passage 15.Coil base 3 is placed in the groove of inertia channel body 20, has inertia channel (damping hole) 16 in inertia channel body 20 inside.This kind structure inertia passage length is longer, and the medium-high frequency isolation characteristics is better than structure one, but low frequency control effect is not as structure one.
The third structure is consulted shown in Figure 4.Also can cancel inertia channel (damping hole) 16, only improve the dynamic hardening phenomenon of high frequency by decoupling zero film 8.The advantage of this structure is simple in structure, but the vibration isolating effect in wide band is not as above-mentioned two kinds of structures.
More than in three kinds of structures, all can there be multiple choices the position of coil base 3 and magnetic conduction passage body 5.Consult shown in Figure 5ly, magnetic conduction passage body 5 is installed in the periphery of coil base 3, forms controllable magnetic field passage 15.
The present invention's----hydraulic suspension of automobile cab, its inertia channel (damping hole) 16 can have multiple shape.
First kind of structure consulted shown in Figure 6.Inertia channel adopts the square-section.
Second kind of structure consulted shown in Figure 7.Inertia channel adopts circular cross-section.
The third structure is consulted shown in Figure 8.Inertia channel is around 360 ° of inertia channel bodies.
The 4th kind of structure consulted shown in Figure 9.Inertia channel is around 180 ° of inertia channel bodies.
The 5th kind of structure consulted shown in Figure 10.Adopt damping hole (passage) formula structure.Can be damping cellular type structure shown in Figure 10 (a), also can be that damp channel formula structure is shown in Figure 10 (c).Be described inertia channel (16) around 180 ° of inertia channel bodies or 360 ° of layouts, or pass a plurality of circular holes or several annular distance of inertia channel body less than 180 ° of distributions.
Claims (9)
1. automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension, comprise rubber spring (2), metal frame (12), rubber counterdie (11), bottom skeleton (10) and fluid passage assembly, it is characterized in that, described metal frame 12 is connected with rubber spring (2) sulfuration, metal frame (12), rubber spring (2) and rubber counterdie (11) constitute airtight liquid chamber, described fluid passage assembly two ends are fixed on the metal frame (12), liquid chamber is divided into upper liquid chamber and following liquid chamber, on the fluid passage assembly or be provided with controllable magnetic field intensity passage (15), or be provided with inertia channel (16) and controllable magnetic field intensity passage (15), described inertia channel (16) is a damping hole, magnetic rheological liquid flows in upper liquid chamber and following liquid chamber by inertia channel (16) and controllable magnetic field intensity passage (15), linear loss when flowing by magnetic rheological liquid and restriction loss consume vibrational energy, by the magnetic intensity in the control controllable magnetic field intensity passage (15), carry out magnetic flow liquid hydraulic suspension damping half ACTIVE CONTROL.
2. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 1, it is characterized in that, described fluid passage assembly is by the inertia channel body, decoupling zero film (8), magnetic conduction passage body (5) and coil base (3) are formed, decoupling zero film (8) is placed in the middle to be arranged, be fixed in the mesopore of inertia channel body or magnetic conduction passage body (5), be provided with inertia channel (16) in the inertia channel body, fixing between magnetic conduction passage body (5) coil base (3) by rivet (18), and formation controllable magnetic field intensity passage (15), electromagnetic coil (4) is fixed in the coil base (3), and lead is drawn with power supply is connected by lead-in wire bolt (13).
3. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 2, it is characterized in that, described controllable magnetic field intensity passage (15) is arranged in the periphery of inertia channel (16), decoupling zero film (8) places in the mesopore of inertia channel body, magnetic conduction passage body (5) is fixed on the outer rim of inertia channel body, coil base (3) is fixed on the metal frame (12), and form controllable magnetic field intensity passage (15) with magnetic conduction passage body (5), be provided with inertia channel (16) in the inertia channel body.
4. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 2, it is characterized in that, described inertia channel (16) is arranged in the periphery of controllable magnetic field intensity passage (15), decoupling zero film (8) places in the mesopore of magnetic conduction passage body (5), inertia channel body (20) is fixed on the metal frame (12), coil base (3) places in the groove that inertia channel body (20) inboard has, and form controllable magnetic field intensity passage (15) with magnetic conduction passage body (5), be provided with inertia channel (16) or cancellation inertia channel (16) in the inertia channel body (20).
5. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 2, it is characterized in that, described decoupling zero film (8) places in the mesopore of inertia channel body, coil base (3) is fixed on the outer rim of inertia channel body, magnetic conduction passage body (5) is fixed on the metal frame (12), and form controllable magnetic field intensity passage (15) with coil base (3), be provided with inertia channel (16) in the inertia channel body.
6. according to claim 1,2,3,4 or 5 described a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspensions, it is characterized in that described inertia channel (16) adopts square or circular cross-section.
7. according to claim 1,2,3,4 or 5 described a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspensions, it is characterized in that, described inertia channel (16) is around 180 ° of inertia channel bodies or 360 ° of layouts, or passes a plurality of circular holes or several annular distance less than 180 ° of distributions of inertia channel body.
8. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 1 is characterized in that described inertia channel body is made up of the inertia channel body upper body (6) and the inertia channel body upper body (7) of one.
9. a kind of automobile power assembly half ACTIVE CONTROL magnetic flow liquid hydraulic suspension according to claim 2 is characterized in that, the perfusion fluid rivet (14) by passing rubber spring (2) and metal frame (12) is to liquid chamber perfusion magnetic rheological liquid and seal.
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| CN2010102732580A CN101936360A (en) | 2010-09-07 | 2010-09-07 | Semi-active control magnetorheological hydraulic mount for automotive powertrain |
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| CN2010102732580A CN101936360A (en) | 2010-09-07 | 2010-09-07 | Semi-active control magnetorheological hydraulic mount for automotive powertrain |
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| WO2013007204A1 (en) * | 2011-07-12 | 2013-01-17 | Beijingwest Industries Co., Ltd. | A magnetorheological fluid-based mount apparatus including rate dip track passage |
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| CN103185102A (en) * | 2011-12-29 | 2013-07-03 | 上海骆氏减震件有限公司 | Magnetorheological hydraulic mount |
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Application publication date: 20110105 |