WO2012010355A1 - Récupération d'énergie depuis le système amortisseur d'un véhicule - Google Patents

Récupération d'énergie depuis le système amortisseur d'un véhicule Download PDF

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Publication number
WO2012010355A1
WO2012010355A1 PCT/EP2011/058735 EP2011058735W WO2012010355A1 WO 2012010355 A1 WO2012010355 A1 WO 2012010355A1 EP 2011058735 W EP2011058735 W EP 2011058735W WO 2012010355 A1 WO2012010355 A1 WO 2012010355A1
Authority
WO
WIPO (PCT)
Prior art keywords
generator
wheel
suspension
damping
energy
Prior art date
Application number
PCT/EP2011/058735
Other languages
German (de)
English (en)
Inventor
Gerhard Knecht
Sven Urlaub
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP11722063.2A priority Critical patent/EP2595822A1/fr
Priority to CN201180035615.2A priority patent/CN103003076B/zh
Publication of WO2012010355A1 publication Critical patent/WO2012010355A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/14—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers accumulating utilisable energy, e.g. compressing air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • B60G17/0157—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit non-fluid unit, e.g. electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/42—Electric actuator
    • B60G2202/422—Linear motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/50—Electric vehicles; Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/60—Vehicles using regenerative power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/22—Magnetic elements
    • B60G2600/24—Magnetic elements permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/22—Magnetic elements
    • B60G2600/26—Electromagnets; Solenoids

Definitions

  • the present invention relates to suspensions for vehicles, in particular the recovery of energy from a vehicle movement via the suspension.
  • a classic mechanical spring damper system Today's chassis dynamics are controlled by means of a classic mechanical spring damper system.
  • a suspension comprises a spring element (coil spring, torsion bar or torsion spring and the like) and a damping element which acts hydraulically or pneumatically.
  • the energy that is introduced into the suspension by the profile of the route on which the motor vehicle drives is taken up by this damping system and converted into compression energy or heat.
  • the damping of the suspension system of the vehicle within a certain range or be variably adjustable in order to achieve optimum roadholding of the vehicle, especially when cornering.
  • a wheel suspension system for a wheel of a motor vehicle includes:
  • a suspension for resiliently supporting the wheel via the suspension in a direction transverse to an axial direction of the wheel
  • control unit configured to control an amount of energy removed from the generator so that the generator provides a desired damping constant.
  • An idea of the present invention is to provide a suspension system in which both electrical energy can be obtained from the vibration energy of the vehicle and optimum damping can be variably set.
  • the above wheel suspension system allows the use of energy typically converted in the motor vehicle by the damping into heat. Instead of converting the vibration energy taken from the suspension system by damping into heat, it is provided in the above wheel suspension system to convert the energy into electrical energy.
  • the use of these additional energy reserves, in particular for electric vehicles promises a considerable improvement in range or makes it possible to reduce the required storage capacities through parallel energy recuperation during operation.
  • the energy from the vibration of the vehicle can be generated in addition to the classic brake energy recovery.
  • the intelligent removal of the electrical energy from the generator of the suspension system allows a targeted variable adjustment of the damping, so that both the goal of energy recovery and the goal of adjusting the vehicle dynamics and dynamics of the suspension system can be implemented together.
  • the generator may comprise a permanent magnet and at least one generator coil which at least partially surrounds the permanent magnet.
  • the generator may include an excitation coil for providing a field magnetic field and at least one generator coil coupled to each other so as to provide an amount of electrical energy depending on the field magnet field and relative movement of the field coil and the at least one generator coil, wherein the controller is further configured. to adjust an excitation current through the exciter coil to adjust the attenuation of the generator.
  • a rectifier circuit may be provided to rectify the electrical voltage provided by the generator.
  • the control unit can control the rectifier circuit in accordance with a pulse width modulation in order to set the amount of energy to be taken from the generator as a function of a selected duty cycle of the pulse width modulation.
  • a DC / DC converter can be provided to supply the DC voltage provided by the rectifier to a predetermined DC voltage convert, in particular for charging an energy store.
  • the control unit can control the DC / DC converter to adjust the amount of energy to be taken from the generator.
  • a damping device in particular a pneumatic or hydraulic damping cylinder, may be connected to the suspension in order to provide a constant damping, whereby an overall damping of the suspension system results from the damping of the damping device and the damping of the generator.
  • a wheel suspension system for a wheel of a motor vehicle comprising:
  • a suspension for resiliently supporting the wheel via the suspension in a direction transverse to an axial direction of the wheel
  • a generator that converts a kinetic energy of deflections of the suspension as a generator into electrical energy.
  • the method includes controlling an amount of energy removed from the generator such that the generator provides a desired damping constant.
  • the generator of the suspension system may include an excitation coil for providing a field magnetic field and at least one generator coil coupled together so as to provide an amount of electrical energy depending on the field magnet field and relative movement of the field coil and the at least one generator coil, with an excitation current the excitation coil is adjusted to adjust the attenuation of the generator.
  • Figure 1 is a schematic representation of a suspension system for a wheel of a motor vehicle according to a first embodiment
  • Figure 2 is a schematic representation of another embodiment of a suspension system for a wheel of a motor vehicle.
  • FIG. 1 shows a wheel suspension system 1 for a wheel 2 of a motor vehicle (not shown).
  • the suspension system 1 has the task of holding the wheel 2.
  • the suspension systems 1 each have a damping device 4, which absorb this energy and dissipate it via the body or convert it into heat.
  • the damping device 4 is usually designed as a pneumatic or hydraulic damping cylinder 41.
  • the arranged on a wheel 2 suspension system 1 has in the embodiment shown a suspension 3, a suspension 6 and the damping device 4.
  • the suspension 3 is shown schematically as arranged perpendicular or transversely to the axial direction of the wheel 2 cross connection.
  • the damping cylinder 41 dampens the vibration applied by the wheel 2 to the suspension 3 according to a predetermined damping constant.
  • the damping constant is usually applied firmly in the damping cylinder 41.
  • a generator 5 is arranged.
  • the generator 5 comprises a permanent magnet 51 which is connected to the suspension 3 is coupled so that the permanent magnet 51 is moved in a direction F in a swing, which leads to a movement of the wheel 2 and the suspension 3 relative to the body of the vehicle, in a translational movement.
  • the permanent magnet 51 forms a shaft around which two generator coils 52 are wound.
  • the generator coils 52 are wound in opposite directions about the shaft.
  • the generator coils 52 are separately connected to a rectifier 7 which receives and rectifies the voltage induced in the generator coils 52.
  • the rectified voltages are optionally added and a resulting DC voltage is provided at the output of the rectifier 7.
  • the resulting DC voltage can be used to charge an energy store 8 for storing electrical energy.
  • the energy storage device 8 may be designed, for example, as a rechargeable battery, as a supercapacity and as a flywheel for charging with mechanical energy and the like.
  • the rectifier 7 may be coupled to a control unit 9, which performs a management of the energy extracted from the generator 5. Since an additional energy removal from the suspension system 1 takes place in the case of energy generation via the generator 5, the damping of the suspension system 1 is thereby changed. Depending on the speed of the deflection of the wheel 2, different voltages or charges are generated in the generator 5 or in its generator coils 52, which correspond to different amounts of energy provided by the generator coils 52. These amounts of energy can be taken from the generator coils as a generator current. Depending on the amount of energy removed, a force counteracting the deflection sets in, acting as a damping force.
  • the control unit 9 serves to control the rectifier 7 in such a way that the quantity of electrical energy removed from the generator 5 is within a certain energy range or corresponds to a specific amount of energy and thus to a specific attenuation.
  • the amount of energy removed is determined by which attenuation provided by the generator 5 is to be added to the attenuation provided by the damping device 4.
  • the damping constant of the damping element 4 is therefore chosen so that the sum of the damping constants of the damping device 4 and a mean damping constant of the generator 5 at a slight vibration occurrence corresponds to a damping sufficient for a stable vehicle position and optimum cornering of the vehicle.
  • the maximum power reduction by the rectifier 6 results from the maximum allowable damping of the suspension system 1, ie from the damping resulting from the damping device 4 and the generator 5 with the strongest possible excitation. If due to the driving behavior, the vehicle situation or the like, a different behavior of the suspension system 1 may be required, the amount of energy removed can be adjusted to the required attenuation.
  • a possible control of the rectifier 7 by the control unit 9 can be done for example by means of a clocked operation in which the rectifier 7 is switched on and off according to a pulse width modulation with a certain duty cycle, so that the proportion of the amount of energy generated in the rectifier 7 transmitted is controlled by the control unit 9 by specifying a duty cycle.
  • the control unit 8 according to the period of a cycle of the pulse width modulation determine an average amount of energy absorbed and adjust the duty cycle accordingly so that the amount of energy transmitted to the rectifier 7 corresponds to an amount of energy in the generator 5 to a certain additional damping constant or to an additional Damping constant within the required damping range leads.
  • FIG. 2 shows a further embodiment of the suspension system 1.
  • the wheel 2 is coupled to a wheel suspension system 1.
  • the suspension system 1 comprises a combined damping and
  • Generator element 12 which essentially replaces the damping device 4 and the generator 5 of the embodiment of FIG.
  • the damping and generator element 12 has an excitation coil 13 which is fixedly mounted and which replaces the permanent magnet 51 of the embodiment of FIG. As in the above embodiment, the exciting coil 13 surrounded by two wound with mutually opposite winding sense generator coils 14 which are connected to a rectifier 7. As before, the rectifier 7 converts the variable amplitude AC voltage taken from the generator coils 14 into a DC voltage.
  • an exciting current element 10 is provided to provide an exciting current for the exciting coil 13, so that an exciting magnetic field is generated.
  • the energy for the provision of the excitation current can be tapped on the output side of the rectifier 7 or from another source of energy, such as. the energy storage 8 are provided.
  • the excitation current element 10 and the rectifier 7 can be controlled by the control unit 9 so that an excitation current is impressed by the excitation coil 13 and an amount of energy is removed via the rectifier 7, so that with a relative movement between the wheel 2 and the Body of the vehicle damping is set, which corresponds to a desired damping of the suspension system 1.
  • control unit 8 a rectifier 7 downstream DC / DC converter 1 1 control to set a withdrawal of electrical energy through the rectifier 7 so that the combined damping and generator element 12 deprived amount of energy leads to a damping of the damping and generator element 12 in the predetermined damping range.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne un système de suspension de roue (1) pour une roue (2) d'un véhicule automobile, comprenant : - une suspension (3) pour maintenir la roue (2) ; - un système amortisseur (6) pour maintenir avec amortissement la roue au-dessus de la suspension (3) dans une direction transversale à une direction d'essieu de la roue (2) ; - un générateur (5) qui convertit, par effet générateur, une énergie cinétique des débattements de la suspension (3) en énergie électrique ; - une unité de commande (9) qui est configurée pour commander une quantité d'énergie prélevée du générateur (5) de telle sorte que le générateur (5) délivre une constante d'amortissement souhaitée.
PCT/EP2011/058735 2010-07-22 2011-05-27 Récupération d'énergie depuis le système amortisseur d'un véhicule WO2012010355A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11722063.2A EP2595822A1 (fr) 2010-07-22 2011-05-27 Récupération d'énergie depuis le système amortisseur d'un véhicule
CN201180035615.2A CN103003076B (zh) 2010-07-22 2011-05-27 用于机动车的车轮的车轮悬架系统及其运行方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010038281 DE102010038281A1 (de) 2010-07-22 2010-07-22 Energierekuperation aus einer Fahrzeugfederung
DE102010038281.7 2010-07-22

Publications (1)

Publication Number Publication Date
WO2012010355A1 true WO2012010355A1 (fr) 2012-01-26

Family

ID=44119302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/058735 WO2012010355A1 (fr) 2010-07-22 2011-05-27 Récupération d'énergie depuis le système amortisseur d'un véhicule

Country Status (4)

Country Link
EP (1) EP2595822A1 (fr)
CN (1) CN103003076B (fr)
DE (1) DE102010038281A1 (fr)
WO (1) WO2012010355A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104908870A (zh) * 2015-06-02 2015-09-16 刘言成 两轮全封闭自发电电动车
CN106515343A (zh) * 2016-12-30 2017-03-22 北京汽车研究总院有限公司 一种车辆悬架系统及车辆
US11701940B2 (en) 2019-03-04 2023-07-18 Ford Global Technologies, Llc Methods and apparatus for adjusting a suspension of a vehicle

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722996A (zh) * 2014-01-10 2014-04-16 湖南大学 基于电储能元件的液压减振器能量回收系统及控制方法
CN103921641B (zh) * 2014-04-29 2016-03-02 江苏大学 一种馈能悬架系统与控制方法
CN104210609B (zh) * 2014-08-20 2017-02-08 泉州五九五网络科技有限公司 电动车辅助电源装置
CN104868525B (zh) * 2015-04-16 2017-05-03 江苏大学 一种馈能悬架系统直线电机超级电容模式切换方法
EP3357719A1 (fr) * 2017-02-06 2018-08-08 Ovalo GmbH Suspension de roue active pour un véhicule
DE102017115764A1 (de) 2017-07-13 2019-01-17 Kiesling Fahrzeugbau Gmbh Kühlfahrzeug
CN107323196B (zh) * 2017-08-17 2023-08-18 江苏晨发精密汽车零部件有限公司 一种振动发电式汽车悬架
DE102019218678A1 (de) * 2019-12-02 2021-06-02 Bombardier Transportation Gmbh Elektrisches System zur Energieversorgung in einem Fahrzeug, Fahrzeug und Verfahren zum Betreiben eines elektrischen Systems
CN113077960B (zh) * 2021-05-14 2022-03-25 河北冀胜轨道科技股份有限公司 一种解决轨道电路分路不良用扼流变压器

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FR2191497A5 (fr) * 1972-06-30 1974-02-01 Deville Paul
US4815575A (en) * 1988-04-04 1989-03-28 General Motors Corporation Electric, variable damping vehicle suspension
US4981309A (en) * 1989-08-31 1991-01-01 Bose Corporation Electromechanical transducing along a path
RU2067196C1 (ru) 1991-03-22 1996-09-27 Владимир Жамильевич Исмагулов Двигатель-преобразователь транспортного средства
FR2801727A1 (fr) 1999-11-25 2001-06-01 Robert Henri Emmanuel Champel Capteur d'energie induite par variations de vitesse d'un vehicule et oscillations de sa suspension
RU2193977C2 (ru) 2000-02-29 2002-12-10 Воронежский государственный аграрный университет им. К.Д. Глинки Устройство для рекуперации энергии транспортного средства
US20040206561A1 (en) * 2003-04-17 2004-10-21 Visteon Global Technologies, Inc. Regenerative damping method and apparatus
EP1878598A1 (fr) * 2006-07-13 2008-01-16 Fondazione Torino Wireless Suspension régénératrice pour un véhicule
EP1995090A2 (fr) * 2007-05-21 2008-11-26 Aisin Seiki Kabushiki Kaisha Système de suspension

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BR9506869A (pt) * 1994-02-25 1997-09-09 Kinetic Ltd Sistema de suspens o para veículo e sistema de supens o para corpo de veículo
DE69636537T2 (de) * 1995-07-21 2007-06-06 Mitsubishi Jidosha Kogyo K.K. Fahrzeugaufhängungssystem nach einer federbeinbauart
JP2004215375A (ja) * 2002-12-27 2004-07-29 紘二 ▲吉▼岡 発電ダンパ装置

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Publication number Priority date Publication date Assignee Title
FR2191497A5 (fr) * 1972-06-30 1974-02-01 Deville Paul
US4815575A (en) * 1988-04-04 1989-03-28 General Motors Corporation Electric, variable damping vehicle suspension
US4981309A (en) * 1989-08-31 1991-01-01 Bose Corporation Electromechanical transducing along a path
RU2067196C1 (ru) 1991-03-22 1996-09-27 Владимир Жамильевич Исмагулов Двигатель-преобразователь транспортного средства
FR2801727A1 (fr) 1999-11-25 2001-06-01 Robert Henri Emmanuel Champel Capteur d'energie induite par variations de vitesse d'un vehicule et oscillations de sa suspension
RU2193977C2 (ru) 2000-02-29 2002-12-10 Воронежский государственный аграрный университет им. К.Д. Глинки Устройство для рекуперации энергии транспортного средства
US20040206561A1 (en) * 2003-04-17 2004-10-21 Visteon Global Technologies, Inc. Regenerative damping method and apparatus
EP1878598A1 (fr) * 2006-07-13 2008-01-16 Fondazione Torino Wireless Suspension régénératrice pour un véhicule
EP1995090A2 (fr) * 2007-05-21 2008-11-26 Aisin Seiki Kabushiki Kaisha Système de suspension

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2595822A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104908870A (zh) * 2015-06-02 2015-09-16 刘言成 两轮全封闭自发电电动车
CN106515343A (zh) * 2016-12-30 2017-03-22 北京汽车研究总院有限公司 一种车辆悬架系统及车辆
US11701940B2 (en) 2019-03-04 2023-07-18 Ford Global Technologies, Llc Methods and apparatus for adjusting a suspension of a vehicle

Also Published As

Publication number Publication date
EP2595822A1 (fr) 2013-05-29
CN103003076B (zh) 2016-04-20
DE102010038281A1 (de) 2012-01-26
CN103003076A (zh) 2013-03-27

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