CN105292047A - Safety belt controlled by magneto-rheological load limiter - Google Patents
Safety belt controlled by magneto-rheological load limiter Download PDFInfo
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- CN105292047A CN105292047A CN201510657015.XA CN201510657015A CN105292047A CN 105292047 A CN105292047 A CN 105292047A CN 201510657015 A CN201510657015 A CN 201510657015A CN 105292047 A CN105292047 A CN 105292047A
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- force
- ribbon
- limiting device
- piston
- piston rod
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- 230000001133 acceleration Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 17
- 230000005284 excitation Effects 0.000 claims description 14
- 230000000979 retarding effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 206010010219 Compulsions Diseases 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 208000022542 ankle injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/44—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions
- B60R2022/4486—Belt retractors, e.g. reels with means for reducing belt tension during use under normal conditions for cancelling the belt tension
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A safety belt controlled by a magneto-rheological load limiter comprises a lock buckle, a lock tongue, a woven belt, a locking device, a connecting plate, a sliding block, the magneto-rheological load limiter, an electric controller, an electronic control unit, a woven belt force sensor, an electronic control switch and a fixed sleeve. The magneto-rheological load limiter mainly comprises a cylinder body, an electromagnet piston, a piston rod, a sealing partition plate and magneto-rheological fluid. The magneto-rheological load limiter adopts the magneto-rheological control mode, can intelligently control the tensioning degree of the woven belt in the locking device according to the vehicle speed, the acceleration speed of the woven belt, the inclination angle of a vehicle body and the constraining force on the human body, can constrain the human body to a seat as soon as possible in emergency circumstances, can intelligently control the woven belt for providing appropriate constraint force for controlling the deceleration of the human body according to the physiological limit of the human body and can protect the human body against constraint injury caused by the woven belt.
Description
Technical field
The present invention relates to a kind of car belt, particularly relate to the safety strap that a kind of magnetorheological force-limiting device controls.
Background technology
Since safety strap is invented and used, played vital effect to the passive satety of automobile, the mandatory regulation of wear safety belt when driving a vehicle nearly all have been done by traffic department of various countries.The kind of current on-vehicle safety band has: composite sensing formula safety strap, limit type safety strap, pre-tensioner limit type safety strap, the pre-pre-tensioner limit type safety strap of rolling.
The mechanical brake structure of these safety strap all adopts mechanical structure, and its triggering mode depends on the design value of physical construction, namely cannot carry out reasonably adjustment and setting according to concrete road conditions, concrete vehicle.And when there is belt restraints effect, the constraint reaction of its ribbon to human body is uncontrollable, cannot bear the limit and carry out Based Intelligent Control, thus make ribbon itself damage human body according to the physiology of human body.As composite sensing formula safety strap.
Limit type safety strap is on the basis of composite sensing formula safety strap, it is the constrained force being limited ribbon by a metal torsion bar in mechanical brake, but the limiter of torsion bar is limited in scope and irreversible, damage after exceeding strength limit, occupant is made to lose the constraint of safety strap, bump against with article in car and come to harm, and can not reuse after the distortion of this limit type safety strap torsion bar.
Although the pre-tensioner limit type safety strap of pre-rolling adopts the mode of lighting the locking of gunpowder generation gas expansion to carry out pretension to safety strap, but such mode of operation is deposited after a procedure, it had to change for tensioning limiter lockable mechanism loses efficacy, and disposable drawback makes the use cost increase of user and the waste of resource.After this safety strap still can not control ribbon locking, ribbon is to the injury of human body.
Summary of the invention
Object of the present invention, exactly in order to solve above-mentioned prior art Problems existing, provides the safety strap that a kind of magnetorheological force-limiting device controls.
In order to achieve the above object, present invention employs following technical scheme: the safety strap that a kind of magnetorheological force-limiting device controls, comprise snap close, dead bolt, ribbon and mechanical brake, snap close to be fixed in car on floor by attaching parts, one end of ribbon is fixed on mechanical brake, the other end is fixed on the central post in car, and centre is connected with dead bolt sliding sleeve; Also comprise connecting panel, slide block, magnetorheological force-limiting device, electric controller, electronic control unit, ribbon force snesor, electric-controlled switch and fixed cover; Connecting panel is fixed in automotive intermediate column, and the piston rod of magnetorheological force-limiting device is connected with mechanical brake, and be fixed on slide block in the middle of piston rod, slide block slides with connecting panel and is connected; Ribbon force snesor and electric-controlled switch are arranged in snap close, the output of electric-controlled switch connects the input of ribbon force snesor, the output of ribbon force snesor connects the input of electronic control unit, and the output of electronic control unit connects the input of electric controller, and the output of electric controller connects magnetorheological force-limiting device; Fixed cover is fixed on body structural member, and magnetorheological force-limiting device, electric controller and electronic control unit are arranged in fixed cover respectively.
Described magnetorheological force-limiting device comprises cylinder body, electromagnet piston, piston rod and seal diaphragm, cylinder body is separated into main chamber and secondary chamber by seal diaphragm, electromagnet piston is arranged in main chamber, the front end of piston rod is connected with mechanical brake, the rear end of piston rod is passed seal diaphragm and is slided with seal diaphragm and is connected, between electromagnet piston and cylinder body, be provided with gap, in gap, be filled with magnetic flow liquid.
Described electromagnet piston comprises piston body, and piston body has the first annular groove and the second annular groove, is wound with excitation coil in the first annular groove, excitation coil overcoat has coil protecting sleeve, and coil protect puts and is inlaid with a circle corrosion-resistant steel magnetism-isolating loop; Second annular groove bottom is provided with retarding spring, and top is provided with brake hoop; Described inboard wall of cylinder block is provided with the breaker slot matched with brake hoop, and brake hoop can eject under the effect of retarding spring that being engaged with breaker slot is connected and to be formed piston and lock; The output of described electric controller connects excitation coil.
Described magnetorheological force-limiting device also comprises piston rod guide and pull back spring, and piston rod guide is connected to the front end face of cylinder body, provides radial support to piston rod; Pull back spring is arranged on the piston rod outside piston rod guide, provides the elastic force of piston return.
Described mechanical brake is adopted as the ribbon mechanical brake that in state compulsion standard GB14166-2013 " safety belt for motor vehicle passenger, constrained system, child restrainnt system ISOFIX child restrainnt system ", regulation uses, and is provided with car body acceleration sensor, ribbon pull-out acceleration pick-up and tilting of car body sensor in mechanical brake.
Be provided with chute in described connecting panel, described slide block is arranged on can slide anteroposterior in chute.
Described snap close and dead bolt and described electric-controlled switch, that ribbon force snesor forms switch is chain, and when namely snap close is connected with dead bolt, electric-controlled switch, ribbon force snesor start, and when snap close and dead bolt depart from, electric-controlled switch, ribbon force snesor are closed.
Magnetic flow liquid is the aerosoles mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic liquid.The distribution of particles of this aerosoles magnetic flow liquid under zero magnetic field condition is mixed and disorderly, presents low-viscosity Newtonian fluid characteristic; But under the influence of a magnetic field, be but well-regulated and along magnetic direction chaining or chain pencil arrangement, create the feature of class solid, from the runny Newtonian fluid of little viscosity become heavy body difficulty flowing plasticity Ben-Hur (Bingham) fluid.Moment, reversible because the stream of magnetic flow liquid under magnetic fields becomes, and its stream become after shear yield strength and magnetic-field intensity there is stable corresponding relation.Therefore, the object of the shear yield strength controlling magnetic flow liquid can be reached by the size of controlling magnetic field application force, thus variable control dumping force is produced to the movable parts be in magnetic flow liquid, realize in good time, reversible continuous dumping force to control, realize the control to movable parts speed, displacement simultaneously.
Magnetorheological force-limiting device in the present invention adopts magnetorheological control, can according to the size of the limit Based Intelligent Control ribbon constrained force of human body holding capacity, can ensure to be supplied to greatest extent ribbon within the very first time by human body " constraint " on seat, and then the physical endurance can born according to human body, dumping force, speed, the displacement of the current control piston in magnetorheological force-limiting device is controlled by electric controller, make ribbon " loosen " constraint to human body, ribbon is supplied to the constrained force that human body can bear intelligently.In safe displacement, control the deceleration/decel of human body, avoid ankle injury.
The present invention has power-off protection function; even due to accidents such as collisions, when causing the magnetorheological force-limiting device of Based Intelligent Control to occur circuit breaker, because magnetorheological force-limiting device and mechanical brake adopt compound type to be connected; still can enable mechanical brake locking ribbon, there is reliability and safety.
The present invention can realize real-time, continuous, reversible, control ribbon constrained force to low energy consumption, realize Based Intelligent Control.It adopts intellectual material to realize the control of dumping force, and magnetic circuit is arranged simple, and temperature influence is less, applied range.Magnetorheological force-limiting device and mechanical brake adopt compound type to be connected, can Reusability, and the life-span is long, greatly reduce the use technology cost of user.Structure is simple, and institute takes up space little, is easy to integrated, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the safety strap that the magnetorheological force-limiting device of the present invention controls;
Fig. 2 is the structural principle schematic diagram of the magnetorheological force-limiting device in the present invention.
Detailed description of the invention
See Fig. 1, the safety strap that magnetorheological force-limiting device of the present invention controls, comprises snap close 1, dead bolt 2, ribbon 3, mechanical brake 4, connecting panel 5, slide block 6, magnetorheological force-limiting device 7, electric controller 8, electronic control unit 9, ribbon force snesor 10, electric-controlled switch 11 and fixed cover 12.Snap close is fixed in car on floor by attaching parts, and one end of ribbon is fixed on mechanical brake, and the other end is fixed on the central post in car, and centre is connected with dead bolt sliding sleeve; Connecting panel is fixed in automotive intermediate column, and the piston rod of magnetorheological force-limiting device is connected with mechanical brake, is fixed on slide block in the middle of piston rod.In connecting panel, be provided with chute, slide block is arranged on can slide anteroposterior in chute.Ribbon force snesor and electric-controlled switch are arranged in snap close, the output of electric-controlled switch connects the input of ribbon force snesor, the output of ribbon force snesor connects the input of electronic control unit, and the output of electronic control unit connects the input of electric controller, and the output of electric controller connects magnetorheological force-limiting device; Fixed cover is fixed on body structural member, and magnetorheological force-limiting device, electric controller and electronic control unit are arranged in fixed cover respectively.
See Fig. 2, magnetorheological force-limiting device 7 in the present invention comprises cylinder body 71, electromagnet piston 72, piston rod 73 and seal diaphragm 74, cylinder body is separated into main chamber 75 and secondary chamber 76 by seal diaphragm, electromagnet piston is arranged in main chamber, the front end of piston rod is connected with mechanical brake, the rear end of piston rod is passed seal diaphragm and is slided with seal diaphragm and is connected, and is provided with gap, is filled with magnetic flow liquid in gap between electromagnet piston and cylinder body.
Electromagnet piston 72 comprises piston body, and piston body has the first annular groove and the second annular groove, is wound with excitation coil 721 in the first annular groove, excitation coil overcoat has coil protecting sleeve 722, and coil protect puts and is inlaid with a circle corrosion-resistant steel magnetism-isolating loop 723; Second annular groove bottom is provided with retarding spring 724, and top is provided with brake hoop 725; Be provided with the breaker slot 711 matched with brake hoop at cylinder body 71 inwall, brake hoop can eject under the effect of retarding spring that being engaged with breaker slot is connected and to be formed piston and lock; The output of above-mentioned electric controller connects excitation coil.
Above-mentioned magnetorheological force-limiting device 7 also comprises piston rod guide 77 and pull back spring 78, and piston rod guide is connected to the front end face of cylinder body, provides radial support to piston rod; Pull back spring is arranged on the piston rod outside piston rod guide, provides the elastic force of piston return.
Mechanical brake in the present invention adopts the ribbon mechanical brake that in state compulsion standard GB14166-2013 " safety belt for motor vehicle passenger, constrained system, child restrainnt system ISOFIX child restrainnt system ", regulation uses, and is provided with car body acceleration sensor, ribbon pull-out acceleration pick-up and tilting of car body sensor in mechanical brake.
Snap close 1 in the present invention and dead bolt 2 and described electric-controlled switch 11, that ribbon force snesor 10 forms switch is chain, and when namely snap close is connected with dead bolt, electric-controlled switch, ribbon force snesor start, and when snap close and dead bolt depart from, electric-controlled switch, ribbon force snesor are closed.
Principle of work of the present invention is:
1, when vehicle normally starts traveling, occupant pulls dead bolt 2 to insert in snap close 1, electric controller switch 11 is started by snap close, electric-controlled switch 11 sends and outputs signal to ribbon force snesor 10, ribbon force snesor 10 measures the pulling force that ribbon 3 carries, and observed reading is exported to electronic control unit 9, compared with the human body load limit of setting, when not reaching certain numerical value, do not start electric controller 8 and magnetorheological force-limiting device 7.Meanwhile, the ribbon in mechanical brake 4 can normally use.
When 2, there is emergency situation, in the car body acceleration sensor in mechanical brake 4, ribbon pull-out acceleration pick-up and tilting of car body sensor, arbitrary sensor is when reaching design gate threshold value, and lock in emergency ribbon 3, makes human body can not move by the constraint of ribbon 3.Meanwhile, when the value of thrust that ribbon force snesor 10 measures ribbon 3 exceedes setting threshold value, electronic control unit 9 sends actuation signal to electric controller 8 according to the program worked out, there is provided suitable electric current to the excitation coil 721 in magnetorheological force-limiting device 7 by electric controller 8, make to produce magnetic field between electromagnet piston 72 and cylinder body 71, magnetic flow liquid is magnetized chaining, can produce dumping force during design.Brake hoop 725 simultaneously on electromagnet piston 72, owing to being subject to the magnetic absorption of electromagnet piston 72, overcoming the screen resilience of retarding spring 724, is separated with cylinder body 71.If the pulling force of ribbon 3 exceedes the human body designed when bearing the limit, ribbon 3 drives in mechanical brake 4 and the chute of slide block 6 on connecting panel 5 and moves, and slide block 6 is connected with the piston rod 73 of the magnetorheological force-limiting device 7 of limit, band motor magnet piston 72 shears magnetic flow liquid, electromagnet piston 72 is subject to the control of magnetorheological fluid damp power, can obtain rational piston velocity and displacement.Therefore, the constrained force of ribbon 3 that human body bears reasonably is controlled.
3, remove the using state of safety strap: press snap close 1 and dead bolt 2 is extracted, electric-controlled switch 11 can be closed, remove the using state of safety strap.
The principle of work of magnetorheological force-limiting device is:
Energising excitation coil 721 is wrapped in groove on piston 72 in the cylinder body 71 of magnetorheological force-limiting device 7, energising excitation coil 721 produces radial magnetic field between piston 72 and cylinder body 71, magnetic flow liquid abrim in the gap of piston 72 and cylinder body 71, radial magnetic field makes the magnetic-particle in the magnetic flow liquid of gap location radially be arranged in " chain ", when piston 72 moves, the direction of its linear velocity is radially arranged in " chain " direction with magnetic-particle is vertical, " chain " in magnetic flow liquid is sheared, and the shear yield strength of magnetic flow liquid and magnetic induction density have corresponding relation, the electric current that the size of magnetic induction density then controls in excitation coil 721 by electric controller is determined, size so just by controlling electric current in excitation coil 721 reaches the object of the shear yield strength controlling magnetic flow liquid, thus make magnetic flow liquid produce two-way controllable damping force to piston 72, realize in good time as required, reversible continuous control.
Claims (7)
1. the safety strap of a magnetorheological force-limiting device control, comprise snap close, dead bolt, ribbon and mechanical brake, snap close is fixed in car on floor by attaching parts, and one end of ribbon is fixed on mechanical brake, the other end is fixed on the central post in car, and centre is connected with dead bolt sliding sleeve; It is characterized in that: also comprise connecting panel, slide block, magnetorheological force-limiting device, electric controller, electronic control unit, ribbon force snesor, electric-controlled switch and fixed cover; Connecting panel is fixed in automotive intermediate column, and the piston rod of magnetorheological force-limiting device is connected with mechanical brake, and be fixed on slide block in the middle of piston rod, slide block slides with connecting panel and is connected; Ribbon force snesor and electric-controlled switch are arranged in snap close, the output of electric-controlled switch connects the input of ribbon force snesor, the output of ribbon force snesor connects the input of electronic control unit, and the output of electronic control unit connects the input of electric controller, and the output of electric controller connects magnetorheological force-limiting device; Fixed cover is fixed on body structural member, and magnetorheological force-limiting device, electric controller and electronic control unit are arranged in fixed cover respectively.
2. the safety strap of magnetorheological force-limiting device control according to claim 1, it is characterized in that: described magnetorheological force-limiting device comprises cylinder body, electromagnet piston, piston rod and seal diaphragm, cylinder body is separated into main chamber and secondary chamber by seal diaphragm, electromagnet piston is arranged in main chamber, the front end of piston rod is connected with mechanical brake, the rear end of piston rod is passed seal diaphragm and is slided with seal diaphragm and is connected, and is provided with gap, is filled with magnetic flow liquid in gap between electromagnet piston and cylinder body.
3. the safety strap of magnetorheological force-limiting device control according to claim 2, it is characterized in that: described electromagnet piston comprises piston body, piston body has the first annular groove and the second annular groove, excitation coil is wound with in first annular groove, excitation coil overcoat has coil protecting sleeve, and coil protect puts and is inlaid with a circle corrosion-resistant steel magnetism-isolating loop; Second annular groove bottom is provided with retarding spring, and top is provided with brake hoop; Described inboard wall of cylinder block is provided with the breaker slot matched with brake hoop, and brake hoop can eject under the effect of retarding spring that being engaged with breaker slot is connected and to be formed piston and lock; The output of described electric controller connects excitation coil.
4. the safety strap of magnetorheological force-limiting device control according to claim 2, is characterized in that: described magnetorheological force-limiting device also comprises piston rod guide and pull back spring, and piston rod guide is connected to the front end face of cylinder body, provides radial support to piston rod; Pull back spring is arranged on the piston rod outside piston rod guide, provides the elastic force of piston return.
5. the safety strap of magnetorheological force-limiting device control according to claim 1, it is characterized in that: described mechanical brake adopts the ribbon mechanical brake that in state compulsion standard GB14166-2013 " safety belt for motor vehicle passenger, constrained system, child restrainnt system ISOFIX child restrainnt system ", regulation uses, in mechanical brake, be provided with car body acceleration sensor, ribbon pull-out acceleration pick-up and tilting of car body sensor.
6. the safety strap of magnetorheological force-limiting device control according to claim 1, it is characterized in that: be provided with chute in described connecting panel, described slide block is arranged on can slide anteroposterior in chute.
7. the safety strap of magnetorheological force-limiting device control according to claim 1, it is characterized in that: described snap close and dead bolt and described electric-controlled switch, that ribbon force snesor forms switch is chain, namely when snap close is connected with dead bolt, electric-controlled switch, ribbon force snesor start, when snap close and dead bolt depart from, electric-controlled switch, ribbon force snesor are closed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510657015.XA CN105292047B (en) | 2015-10-12 | 2015-10-12 | The safety belt of magnetorheological force-limiting device control |
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CN201510657015.XA CN105292047B (en) | 2015-10-12 | 2015-10-12 | The safety belt of magnetorheological force-limiting device control |
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CN105292047A true CN105292047A (en) | 2016-02-03 |
CN105292047B CN105292047B (en) | 2017-11-24 |
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CN201510657015.XA Expired - Fee Related CN105292047B (en) | 2015-10-12 | 2015-10-12 | The safety belt of magnetorheological force-limiting device control |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109624917A (en) * | 2018-12-21 | 2019-04-16 | 爱驰汽车有限公司 | The pre- clamping control method of the safety belt of descending state, system, equipment and storage medium |
CN111032563A (en) * | 2017-08-29 | 2020-04-17 | 索科普哈应用研究产品商业化公司基因科学Sec | Tethered payload movement control and cable robot using magnetorheological actuators |
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DE4433056C2 (en) * | 1994-09-16 | 1998-01-29 | Mannesmann Sachs Ag | Vibration dampers for motor vehicles |
EP1013963A2 (en) * | 1992-06-18 | 2000-06-28 | Lord Corporation | Magnetoriheological fluid device |
US20020113424A1 (en) * | 2001-02-20 | 2002-08-22 | Smith Ronald G. | Magnetorheological seat belt actuator |
US6481659B1 (en) * | 2000-04-07 | 2002-11-19 | Delphi Technologies, Inc. | Variable load limiting restraint retractor |
CN2752541Y (en) * | 2004-12-24 | 2006-01-18 | 河北科技大学 | Magnetic flow variable liquid damper |
CN103148157A (en) * | 2012-07-19 | 2013-06-12 | 吉林大学 | Multistage extrusion-type magneto-rheological damper |
CN103802786A (en) * | 2012-11-14 | 2014-05-21 | 上海工程技术大学 | Magnetorheological-controlled safety belt |
WO2014090401A1 (en) * | 2012-12-12 | 2014-06-19 | Trw Automotive Gmbh | Force limiting device and method for controlling a force limiting device |
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2015
- 2015-10-12 CN CN201510657015.XA patent/CN105292047B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1013963A2 (en) * | 1992-06-18 | 2000-06-28 | Lord Corporation | Magnetoriheological fluid device |
DE4433056C2 (en) * | 1994-09-16 | 1998-01-29 | Mannesmann Sachs Ag | Vibration dampers for motor vehicles |
US6481659B1 (en) * | 2000-04-07 | 2002-11-19 | Delphi Technologies, Inc. | Variable load limiting restraint retractor |
US20020113424A1 (en) * | 2001-02-20 | 2002-08-22 | Smith Ronald G. | Magnetorheological seat belt actuator |
CN2752541Y (en) * | 2004-12-24 | 2006-01-18 | 河北科技大学 | Magnetic flow variable liquid damper |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111032563A (en) * | 2017-08-29 | 2020-04-17 | 索科普哈应用研究产品商业化公司基因科学Sec | Tethered payload movement control and cable robot using magnetorheological actuators |
CN109624917A (en) * | 2018-12-21 | 2019-04-16 | 爱驰汽车有限公司 | The pre- clamping control method of the safety belt of descending state, system, equipment and storage medium |
CN109624917B (en) * | 2018-12-21 | 2020-10-27 | 爱驰汽车有限公司 | Method, system, device and storage medium for controlling pre-tightening of safety belt in downhill state |
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