CN103264638B - Spring type automobile braking energy recycling device - Google Patents

Spring type automobile braking energy recycling device Download PDF

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Publication number
CN103264638B
CN103264638B CN201310210159.1A CN201310210159A CN103264638B CN 103264638 B CN103264638 B CN 103264638B CN 201310210159 A CN201310210159 A CN 201310210159A CN 103264638 B CN103264638 B CN 103264638B
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China
Prior art keywords
gear
energy
automobile
axle
braking
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Expired - Fee Related
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CN201310210159.1A
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Chinese (zh)
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CN103264638A (en
Inventor
谢竹生
史国栋
袁祖浩
许黄龙
曾晓鹏
李琦
张子宁
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN201310210159.1A priority Critical patent/CN103264638B/en
Publication of CN103264638A publication Critical patent/CN103264638A/en
Application granted granted Critical
Publication of CN103264638B publication Critical patent/CN103264638B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A spring type automobile braking energy recycling device comprises a gear, an electric generator, bearings, a closed centrifugal clutch, an electromagnetic clutch, a controller, a torsion rod spring, a rotating speed sensor, a braking pedal position sensor and an angle sensor. The spring type automobile braking energy recycling device is arranged in front of a drive axle of an automobile and acquires power from a transmission shaft. When the automobile brakes, the transmission shaft drives the electric generator to generate electricity through the electromagnetic clutch connected with the transmission shaft, electric energy generated is supplied to a storage battery, and then braking energy is recycled; when the automobile brakes to a quite low speed, the rotary speed of the electric generator is reduced, the energy recycling rate is low, and then the torsion rod spring is loaded to store energy; when the braking is released or the torsion angle of the torsion rod spring reaches the limit, the torsion rod spring releases the energy to drive the electric generator to generate electricity, and then the energy is recycled another time. Braking force generated by electricity generation of the electric generator and braking force generated after the torsion rod spring is loaded to absorb mechanical energy are different from the non-friction type braking force of a wheel brake, and therefore the safe and efficient purpose is achieved.

Description

A kind of spring energy-storage automotive braking energy recovering device
Technical field
The invention belongs to automotive safety field of energy-saving technology.
Background technology
Automobile is when braking, and the potential energy of automobile and kinetic transformation are heat energy by general car side brake, and car side brake is made according to tribology principle.When automobile long-time continuous is braked, the thermal load of drg is very large, and the temperature of brake wheel (dish) is significantly raised, thus makes friction factor decline, wearing and tearing increasing, and result makes drg lose or part loses brake efficiency.Under the background that traditional energy is day by day nervous, novel high-efficiency and energy-saving automobile has become the emphasis of research and development, Brake energy recovery is important step wherein, existing internal-combustion engines vehicle does not have braking energy recovering function, the electronlmobil many employings electric power generation principle promoted reclaims braking energy, but the percent recovery is low during low speed braking, therefore design not only safe but also efficient brake power recovering device very necessary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of automotive braking energy recovering device is provided, utilizing spring energy-storage recovery automobile brake energy as much as possible.
A kind of spring energy-storage automotive braking energy recovering device, comprise brake pedal position sensor, torsion bar spring, coupler, closed centrifugal clutch, normally closed magnetic clutch, tachogen, electrical generator, torsion bar spring rotary angle transmitter, bearing, gear mesh one, gear mesh two and controller, before described spring energy-storage automotive braking energy recovering device is arranged on the drive axle of automobile, power is obtained from transmission shaft, described torsion bar spring one end is fixed on body, the other end is connected with gear mesh one by coupler, described rotary angle transmitter is arranged on the axle of gear, for detecting the twist angle of torsion bar spring, the driven end of closed centrifugal clutch and the axle of gear mesh one are rigidly connected, the drive end of closed centrifugal clutch and the axle of gear mesh two, the input shaft of electrical generator is rigidly connected, the axle of described gear mesh two and the driven end of normally closed magnetic clutch are rigidly connected, the drive end of normally closed magnetic clutch obtains power from the transmission shaft before automobile drive axle, the moving velocity of tachogen measured automobiles, brake pedal position sensor is arranged on automobile brake pedal axle, detect the braking mode of automobile, controller is single-chip computer control system, receive the speed-slackening signal of brake pedal position sensor, the torsion bar spring tension angle signal of rotary angle transmitter and the vehicle speed signal of tachogen, control the Engage and disengage of normally closed magnetic clutch, the generating of electrical generator is dallied with not generating electricity.Under the control of the controller, during normal traveling, electrical generator does not generate electricity described electrical generator, tick over, and when the following non-brake of the setting speed of a motor vehicle travels, normally closed magnetic clutch is separated.When chaufeur steps on brake pedal, controller controls electrical power generators, system export electric energy charge a battery, reclaim braking energy, when automobile brake and the speed of a motor vehicle is reduced to setting value time, closed centrifugal formula power-transfer clutch engages, torsion bar spring is loaded energy storage, and when brake off or torsion bar spring reach ultimate torsional angle, magnetic clutch is separated, torsion bar spring release energy drive electrical generators generating, recuperated energy again.It is the non-friction type braking force being different from car side brake that electrical power generators and torsion bar spring load the braking force absorbing mechanical energy generation, safe and efficient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Accompanying drawing 1:1---brake pedal position sensor, 2---torsion bar spring, 3---coupler, 4---the first gear, 6---the 3rd gear, 10---the 4th gear, 12---the second gear, 5---closed centrifugal clutch, 7---normally closed magnetic clutch, 8---tachogen, 9---electrical generator, 11---rotary angle transmitter, 13---bearing, 14---brake pedal.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, describe a kind of detailed description of the invention of spring energy-storage automotive braking energy recovering device in detail.
Shown in Fig. 1, a kind of spring energy-storage automotive braking energy recovering device, comprises brake pedal position sensor 1, torsion bar spring 2, coupler 3, closed centrifugal clutch 5, normally closed magnetic clutch 7, tachogen 8, electrical generator 9, rotary angle transmitter 11, bearing 13, gear mesh first gear 4 and the second gear 12, gear mesh the 3rd gear 6 and the 4th gear 10.Described torsion bar spring 2 one end is fixed on body, the other end is connected with the second gear 12 by coupler 3, described rotary angle transmitter 11 is arranged on the axle of the second gear 12, for detecting the twist angle of torsion bar spring 2, second gear 12 engages with the first gear 4, the driven end of closed centrifugal clutch 5 and the axle of the first gear 4 are rigidly connected, the drive end of closed centrifugal clutch 5 and the axle of the 4th gear 10, the output shaft of electrical generator 9 is rigidly connected, closed centrifugal clutch 5 is mechanicals device, when the rotating speed of drive end is lower than setting speed, the automatic plasmid conjugation torque of power-transfer clutch and have overload protection function, during higher than setting speed, power-transfer clutch is separated automatically.Described 4th gear 10 engages with the 3rd gear 6, the axle of the 3rd gear 6 and the driven end of normally closed magnetic clutch 7 are rigidly connected, the drive end of normally closed magnetic clutch 7 obtains power from the transmission shaft before automobile drive axle, engage during normally closed magnetic clutch 7 no power, be separated during energising, the moving velocity of tachogen 8 measured automobiles, brake pedal position sensor 1 is arranged on automobile brake pedal axle, detect the braking mode of automobile, controller is single-chip computer control system, receive the speed-slackening signal of brake pedal position sensor 1, the torsion bar spring tension angle signal of rotary angle transmitter 11 and the vehicle speed signal of tachogen 8, control the Engage and disengage of normally closed magnetic clutch 7.During automobile normal running, chaufeur does not step on brake pedal 14, if the speed of a motor vehicle that tachogen 8 records is higher than the setting speed of a motor vehicle, controller is energized to normally closed magnetic clutch 7, and normally closed magnetic clutch 7 is in engagement state, and electrical generator 9 operates, but controller applies load to electrical generator 9, electrical generator 9 is in idling conditions, and closed centrifugal clutch 5 is separated simultaneously, and torsion bar spring 2 does not stress; If the speed of a motor vehicle that tachogen 8 records is lower than the setting speed of a motor vehicle, controller is energized to normally closed magnetic clutch 7, normally closed magnetic clutch 7 is in released state makes torsion bar spring 2 load generation braking force to prevent closed centrifugal clutch 5 from automatically engaging, and impact normally travels.When chaufeur steps on brake pedal 14, brake pedal position sensor 1 collects speed-slackening signal and is transferred to controller, controller is energized to normally closed magnetic clutch 7, normally closed magnetic clutch 7 is in engagement state, electrical generator 9 operates, controller controls electrical generator 9 and generates electricity, and the electric energy of output charges a battery and absorbs the braking force that mechanical energy produces non-friction type, realizes Brake energy recovery; When automobile brake is to the setting speed of speed lower than closed centrifugal clutch 5, generator speed declines, the mechanical energy absorbed also reduces, closed centrifugal clutch 5 engages automatically, and torsion bar spring 2 is loaded energy storage, when brake off or torsion bar spring 2 reach ultimate torsional angle, controller is energized to normally closed magnetic clutch 7, normally closed magnetic clutch 7 is separated, and torsion bar spring 2 drive motor 9 that releases energy generates electricity, recuperated energy again.After torsion bar spring 2 releases energy, normally closed magnetic clutch 7 power-off, is in engagement state again, so cyclically reclaims automobile brake energy.

Claims (1)

1. a spring energy-storage automotive braking energy recovering device, comprise brake pedal position sensor (1), torsion bar spring (2), coupler (3), closed centrifugal clutch (5), normally closed magnetic clutch (7), tachogen (8), electrical generator (9), torsion bar spring rotary angle transmitter (11), bearing (13), first gear (4), second gear (12), 3rd gear (6) the 4th gear (10) and controller, it is characterized in that: before described spring energy-storage automotive braking energy recovering device is arranged on the drive axle of automobile, power is obtained from transmission shaft, described torsion bar spring (2) one end is fixed on body, the other end is connected with the second gear (12) by coupler (3), described rotary angle transmitter (11) is arranged on the axle of the second gear (12), for detecting the twist angle of torsion bar spring (2), second gear (12) engages with the first gear (4) and forms gear mesh one, the driven end of closed centrifugal clutch (5) and the axle of the first gear (4) are rigidly connected, the drive end of closed centrifugal clutch (5) and the axle of the 4th gear (10), the input shaft of electrical generator (9) is rigidly connected, described 4th gear (10) engages with the 3rd gear (6) and forms gear mesh two, the axle of the 3rd gear (6) and the driven end of normally closed magnetic clutch (7) are rigidly connected, the drive end of normally closed magnetic clutch (7) obtains power from the transmission shaft before automobile drive axle, the moving velocity of tachogen (8) measured automobiles, brake pedal position sensor (1) is arranged on automobile brake pedal axle, detect the braking mode of automobile, controller is single-chip computer control system, receive the speed-slackening signal of brake pedal position sensor (1), the torsion bar spring tension angle signal of rotary angle transmitter (11) and the vehicle speed signal of tachogen (8), control the Engage and disengage of normally closed magnetic clutch (7), the generating of electrical generator (9) is dallied with not generating electricity.
CN201310210159.1A 2013-05-31 2013-05-31 Spring type automobile braking energy recycling device Expired - Fee Related CN103264638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310210159.1A CN103264638B (en) 2013-05-31 2013-05-31 Spring type automobile braking energy recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310210159.1A CN103264638B (en) 2013-05-31 2013-05-31 Spring type automobile braking energy recycling device

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CN103264638B true CN103264638B (en) 2015-04-01

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407376B (en) * 2013-09-06 2016-02-03 长沙理工大学 A kind of electric drive automobile brake power recovering device
CN105984348B (en) * 2014-11-10 2018-07-13 浙江工业职业技术学院 A kind of ratio controlled brake energy retracting device
CN105804956A (en) * 2016-03-10 2016-07-27 徐万洪 Energy conversion system
CN109334463B (en) * 2018-08-03 2021-09-03 广东工业大学 Auxiliary braking energy recovery device for automobile
CN113232515A (en) * 2021-06-28 2021-08-10 上海中科深江电动车辆有限公司 Device for realizing low-speed braking energy recovery and integration

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5775784A (en) * 1994-11-29 1998-07-07 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Braking control system for electric automobile
EP0758591B1 (en) * 1994-12-06 2000-03-15 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Braking control device for electric motorcar
CN201484206U (en) * 2009-09-04 2010-05-26 奇瑞汽车股份有限公司 Braking system of electric automobile
CN201914103U (en) * 2010-11-08 2011-08-03 赵京磊 Braking system of electric automobile
CN102390275A (en) * 2011-09-30 2012-03-28 江苏大学 Electromagnetic braking device of electric automobile with function of energy recovery and work method thereof
CN203268027U (en) * 2013-05-31 2013-11-06 长沙理工大学 Spring energy-storing type automobile brake energy recovery device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5775784A (en) * 1994-11-29 1998-07-07 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Braking control system for electric automobile
DE69515668T2 (en) * 1994-11-29 2000-10-26 Mitsubishi Motors Corp BRAKE CONTROL DEVICE FOR AN ELECTRIC VEHICLE
EP0758591B1 (en) * 1994-12-06 2000-03-15 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Braking control device for electric motorcar
CN201484206U (en) * 2009-09-04 2010-05-26 奇瑞汽车股份有限公司 Braking system of electric automobile
CN201914103U (en) * 2010-11-08 2011-08-03 赵京磊 Braking system of electric automobile
CN102390275A (en) * 2011-09-30 2012-03-28 江苏大学 Electromagnetic braking device of electric automobile with function of energy recovery and work method thereof
CN203268027U (en) * 2013-05-31 2013-11-06 长沙理工大学 Spring energy-storing type automobile brake energy recovery device

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