CN203267834U - Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp - Google Patents

Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp Download PDF

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Publication number
CN203267834U
CN203267834U CN 201220703782 CN201220703782U CN203267834U CN 203267834 U CN203267834 U CN 203267834U CN 201220703782 CN201220703782 CN 201220703782 CN 201220703782 U CN201220703782 U CN 201220703782U CN 203267834 U CN203267834 U CN 203267834U
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China
Prior art keywords
seat
cushion
shock absorption
electromagnetic
electromagnetic assembly
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Expired - Fee Related
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CN 201220703782
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Chinese (zh)
Inventor
魏中亮
凌亮
解芳
郑思涓
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China North Vehicle Research Institute
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China North Vehicle Research Institute
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Priority to CN 201220703782 priority Critical patent/CN203267834U/en
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Publication of CN203267834U publication Critical patent/CN203267834U/en
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Abstract

The utility model belongs to the technical field of electromagnetic suspension, and particularly relates to an adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp. The adjustable shock absorption seat comprises a headrest, a backrest, a seat cushion, a limiting stopper, a seat cushion support, a guide cylinder, an angle adjustor, a vertical guide post, a magnetorheological shock absorber, an upper electromagnetic assembly, a lower electromagnetic assembly, a fixing seat and an electric control unit. The adjustable shock absorption seat disclosed by the utility model is mainly applied to the field of impact safety protection of passengers on a vehicle and the shock absorption of the seat, and the riding comfort and the riding safety of the seat are increased through a shock absorption cushion design.

Description

Electromagnetic suspension adds magnetorheological damping adjustable vibration reduction seat
Technical field
The utility model belongs to the electromagnetic suspension technical field, be specifically related to a kind of electromagnetic suspension and add magnetorheological damping adjustable vibration reduction seat, be mainly used in Protect of Impact and the seat suspension field of vehicle-mounted passenger, design by vibration reduction and cushioning, improve travelling comfort and the Ride safety of seat.
Background technology
The vibration that the vibration that produces of road surface factor in the past and power drive system produce is delivered to chaufeur by seat, take advantage of carry the member often two just shown serious discomforts in little.Vehicle is comprised by large impact to fall car and landmine explosion etc. to threaten lower body shock response values large, and it is often larger that the local acknowledgement that causes and car body run into, and how to reduce car impact to occupant's impact, is problem in the urgent need to address.Along with vehicle takes advantage of year member to the raising increasingly of traveling comfort security requirement; it is controlled that actual vehicle vibratory impulse environment does not have actv.; need badly and will improve bang path; reduce vibration and impact value; both improved the vibration environment under the land locomotion operating mode; impact response is well suppressed simultaneously, reaches protection occupant's purpose.Seat suspension is mainly realized its cushioning performance by elasticity and the spring assembly of cushion at present, does not improve but large impact is had effective measures, and the mode that does not temporarily also design by electromagnetic suspension realizes the vibration reduction and cushioning under the wide range shock environment.
The utility model content
Electromagnetic suspension adds magnetorheological damping adjustable vibration reduction seat and changes seat suspension form in the past, has designed damper unit and damping unit, when realizing the low adjusting of seat height, possesses the function of vibration damping and buffering.
Concrete technical scheme of the present utility model is as follows:
A kind of electromagnetic suspension adds magnetorheological damping adjustable vibration reduction seat, comprise headrest, backrest, cushion, limiting device, cushion bearing, guide cylinder, recliner, vertically-guided post, magneto-rheological vibration damper, upper electromagnetic assembly, lower electromagnetic assembly, permanent seat and ECU (Electrical Control Unit), cushion bearing and both sides limiting device are installed together, cushion, control capsule, sensor, connect backrest and headrest by recliner, limiting device inside is equipped with the vertically-guided post, carry out Horizontal limiting together with guidepost that lower electromagnetic assembly permanent seat stretches out, seat only can just be regulated; In the vertically-guided post, magneto-rheological vibration damper is installed; Upper electromagnetic assembly is arranged on cushion bearing lower end, and lower electromagnetic assembly is connected with permanent seat, and permanent seat is realized the installation with car body, and ECU (Electrical Control Unit) guarantees that electromagnetic force changes according to the cushion high and low position and regulates accordingly and realizes that height of seat changes.
The beneficial effects of the utility model:
By using the electromagnetic suspension technology, adopt magnetic field force to replace the elastic force of the elastic elements such as spring in the past, realize that the height of seat is regulated and the vibration reduction and cushioning design goal, and employing magnetorheological damping unit provides dumping force, reach the purpose of dissipation work.Its response time can be accomplished in 10ms, therefore uprushes when the external impact value under control unit is controlled, and in the situation of routine value, adopts reduction magnetic force, reaches the purpose of mobile decoupling in the vertical direction, effectively suppresses the transmission of shock response.
Description of drawings
The utility model has 9 secondary accompanying drawings
Fig. 1 chair headrest and backrest figure
The 1-headrest; The 2-backrest;
Fig. 2 cushion figure
Fig. 3 cushion support graph
The 3-limiting device; The 4-guide cylinder; 5-cushion bearing; The 6-recliner;
Fig. 4 magneto-rheological vibration damper
Electromagnetic assembly on Fig. 5
Electromagnetic assembly and permanent seat under Fig. 6
Electromagnetic assembly under 7-; The 8-permanent seat;
Fig. 7 ECU (Electrical Control Unit) gabarit figure
Fig. 8 chair control principle schematic
Fig. 9 seat integral installation figure
The specific embodiment
Electromagnetic suspension adds the concrete mentality of designing of magnetorheological damping adjustable vibration reduction seat and divides the compositions such as seat support design, Design of MR dampers, the design of electromagnetic suspension control apparatus, sensor and system controller design.With reference to Fig. 1-Fig. 9
1, seat support
Seat support comprises some parts such as headrest, backrest, cushion, cushion bracket, limiting device and vertically-guided post, and the design of headrest and backrest designs by profile and the mechanism of present seat design, without particular requirement; The design of cushion need be carried out special Design of Dies, carries out unit design cushion profile according to cushion bracket and limiting device contour structures, needs the high spacing profile in design both sides on the basis of original cushion, guarantees aesthetics when playing position-limiting action.The limiting device internal space design of cushion bracket both sides has the vertically-guided post, purpose is that electromagnetic force only provides application force, uncontrollable direction, therefore increase the vertically-guided post, realize the direction guiding in lifting process, separately before and after vehicle and in the left and right directions deflection, human body has the force of inertia of its horizontal direction, and then effect cushion bearing, cushion bearing and guidepost link into an integrated entity, and play the position-limiting action of horizontal direction.The limiting device height needs to determine with the damping shock absorber profile according to actual needs.
2, MR vibration damper
The seat magneto-rheological vibration damper is arranged in the seat limited post, plays the purpose of damping wasted work, and market has ready-made matured product directly to use.
3, electromagnetic suspension vibration damping and control apparatus
Electromagnetic suspension vibration damping and control apparatus are the execution cores of whole seat suspension function, mainly realize three functions: (1) realizes the elevating function of seat; (2) realize the vibration-damping function of seat; (3) realize the pooling feature of seat.This device comprises electromagnetic assembly and lower electromagnetic assembly, 6~10 cylindrical electromagnet (there is ready-made matured product in market) are arranged in upper electromagnetic assembly and lower electromagnetic assembly, produce the variation of magnetic field force in the same way by the variation that applies electric current to system between the two, form magnetic buoyancy.In the seat elevating function, increase seat rising of magnetic field force, reduce seat reduction of magnetic field force, but be controlled in the guidepost stroke.after seat is elevated to suitable height, set seat balance position state, the displacement pickup collection signal is as controlling equilibrium point, control the vibration-damping function of seat near this bench mark, application force due to the external world, Chain cushion is subject to the vertical application force that does not wait, cause the height of magnetic field face to change, apply large electric current by control system and realize that vertical thrust increases when upper magnetic field face height descends, impel it to get back to state of equilibrium, when the occupant due to the force of inertia upward movement in, the variation of upper magnetic field face impels the reduction of control system electric current, reduce thrust, personnel's state of nature drops to balance position, realize the seat suspension purpose in whole dynamically balanced process.In the design of seat pooling feature, be subject to when car body under the operating modes such as large impact such as landmine explosion, the vibratory response that the instantaneous generation of car body makes progress and high-speed mobile displacement straight up, because shock response reaches in 50~150ms, circuit control signal receives impact signal, controlling magnetic field power is reduced to the human bady gravitational size, forms the mobile decoupling of vertical direction, reaches the purpose of Cushioning Design.
4, sensor and controller
The sensor of arranging has acceleration pick-up and displacement pickup, and acceleration pick-up is used for playing simultaneously for magneto-rheological vibration damper provides closed signal the purpose that cushions basis for estimation, for the electromagnetic suspension damping buffer device provides excitation signal.Displacement pickup provides closed signal for electromagnetic suspension control apparatus and shock attenuation unit.Its control principle is as shown in the chair control principle schematic, the control of magneto-rheological vibration damper is comparatively independent, receives acceleration transducer signals, and then controls magneto-rheological vibration damper coil electric current and realize that magnetic field force changes, change the viscosity of electromagnetic liquid, realize the dumping force adjusting.In electromagnetic suspension adjusting, vibration damping and buffering are controlled, be at first power devices, by regulating the operation of button, control circuit is realized the variation of electromagnetic force, plays seat adjustment and controls, the stop button operation, control unit collection position information, realize that balance position sets, after balance position is determined, take the equilibrium point position as basic point, move up and down in process, the information that controller obtains according to displacement pickup is carried out the variation of magnetic field thrust, and then realizes vibration damping control.

Claims (1)

1. an electromagnetic suspension adds magnetorheological damping adjustable vibration reduction seat, it is characterized in that: comprise headrest, backrest, cushion, limiting device, the cushion bearing, guide cylinder, recliner, the vertically-guided post, magneto-rheological vibration damper, upper electromagnetic assembly, lower electromagnetic assembly, permanent seat and ECU (Electrical Control Unit), cushion bearing and both sides limiting device are installed together, cushion, control capsule, sensor, connect backrest and headrest by recliner, limiting device inside is equipped with the vertically-guided post, carry out Horizontal limiting together with guidepost that lower electromagnetic assembly permanent seat stretches out, seat only can just be regulated, in the vertically-guided post, magneto-rheological vibration damper is installed, upper electromagnetic assembly is arranged on cushion bearing lower end, and lower electromagnetic assembly is connected with permanent seat, and permanent seat is realized the installation with car body, and ECU (Electrical Control Unit) guarantees that electromagnetic force changes according to the cushion high and low position and regulates accordingly and realizes that height of seat changes.
CN 201220703782 2012-12-19 2012-12-19 Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp Expired - Fee Related CN203267834U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220703782 CN203267834U (en) 2012-12-19 2012-12-19 Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220703782 CN203267834U (en) 2012-12-19 2012-12-19 Adjustable shock absorption seat in electromagnetic suspension and magnetorheological damp

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CN203267834U true CN203267834U (en) 2013-11-06

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109690A (en) * 2015-08-18 2015-12-02 张家港市紫东机械科技有限公司 Aircraft seat armrests with protective function
CN106080319A (en) * 2016-06-20 2016-11-09 华东交通大学 Seat Vertical Vibration Reduction system based on magnetic flow liquid rotary damper
CN106406079A (en) * 2016-11-21 2017-02-15 清华大学 Vehicle, magnetorheological fluid type vehicle shock absorbing seat control device and method thereof
CN107757437A (en) * 2017-11-30 2018-03-06 芜湖瑞泰汽车零部件有限公司 Magnetic suspension shock-absorbing seat
CN107813734A (en) * 2017-11-30 2018-03-20 芜湖瑞泰汽车零部件有限公司 Automotive seat front-and-back adjusting device
CN107839553A (en) * 2017-11-30 2018-03-27 芜湖瑞泰汽车零部件有限公司 Magnetic suspension seat with multidirectional regulatory function
CN107962984A (en) * 2017-11-30 2018-04-27 芜湖瑞泰汽车零部件有限公司 Magnetic suspension seat with front and rear regulatory function
CN108001302A (en) * 2017-11-30 2018-05-08 芜湖瑞泰汽车零部件有限公司 Vehicle seat regulator
CN108944590A (en) * 2018-05-31 2018-12-07 厦门理工学院 A kind of active safety seat
CN110303955A (en) * 2019-05-28 2019-10-08 中国北方车辆研究所 A kind of Vehicle damper buffer armchair based on double leval jib regulating mechanism
CN114056461A (en) * 2020-07-30 2022-02-18 魏宏帆 Bicycle with suspension cushion and magnetic force regulation and control method
CN115503578A (en) * 2021-06-23 2022-12-23 江苏智能交通及智能驾驶研究院 Active protection seat for automatically driving automobile and seat adjusting method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105109690A (en) * 2015-08-18 2015-12-02 张家港市紫东机械科技有限公司 Aircraft seat armrests with protective function
CN106080319A (en) * 2016-06-20 2016-11-09 华东交通大学 Seat Vertical Vibration Reduction system based on magnetic flow liquid rotary damper
CN106406079A (en) * 2016-11-21 2017-02-15 清华大学 Vehicle, magnetorheological fluid type vehicle shock absorbing seat control device and method thereof
CN107757437A (en) * 2017-11-30 2018-03-06 芜湖瑞泰汽车零部件有限公司 Magnetic suspension shock-absorbing seat
CN107813734A (en) * 2017-11-30 2018-03-20 芜湖瑞泰汽车零部件有限公司 Automotive seat front-and-back adjusting device
CN107839553A (en) * 2017-11-30 2018-03-27 芜湖瑞泰汽车零部件有限公司 Magnetic suspension seat with multidirectional regulatory function
CN107962984A (en) * 2017-11-30 2018-04-27 芜湖瑞泰汽车零部件有限公司 Magnetic suspension seat with front and rear regulatory function
CN108001302A (en) * 2017-11-30 2018-05-08 芜湖瑞泰汽车零部件有限公司 Vehicle seat regulator
CN108944590A (en) * 2018-05-31 2018-12-07 厦门理工学院 A kind of active safety seat
CN110303955A (en) * 2019-05-28 2019-10-08 中国北方车辆研究所 A kind of Vehicle damper buffer armchair based on double leval jib regulating mechanism
CN110303955B (en) * 2019-05-28 2021-01-19 中国北方车辆研究所 Vehicle damping buffering seat based on four-bar adjusting mechanism
CN114056461A (en) * 2020-07-30 2022-02-18 魏宏帆 Bicycle with suspension cushion and magnetic force regulation and control method
CN115503578A (en) * 2021-06-23 2022-12-23 江苏智能交通及智能驾驶研究院 Active protection seat for automatically driving automobile and seat adjusting method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20191219