CN112896297B - Rotating system for recovering inertial energy of vehicle - Google Patents
Rotating system for recovering inertial energy of vehicle Download PDFInfo
- Publication number
- CN112896297B CN112896297B CN202110195925.6A CN202110195925A CN112896297B CN 112896297 B CN112896297 B CN 112896297B CN 202110195925 A CN202110195925 A CN 202110195925A CN 112896297 B CN112896297 B CN 112896297B
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- hydraulic
- angular velocity
- steering
- vehicle
- control unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/10—Auxiliary drives directly from oscillating movements due to vehicle running motion, e.g. suspension movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/10—Auxiliary drives directly from oscillating movements due to vehicle running motion, e.g. suspension movement
- B60K2025/103—Auxiliary drives directly from oscillating movements due to vehicle running motion, e.g. suspension movement by electric means
Abstract
The invention discloses a vehicle inertial energy recovery rotating system which comprises a steering wheel, a piston, a hydraulic inertial container consisting of a hydraulic cylinder and a hydraulic motor, a generator, an angular velocity sensor, an ECU (electronic control unit), a steering motor, an axle, a vehicle speed sensor and wheels. The invention utilizes the buffer performance of the hydraulic inerter and has a plurality of working modes: when a vehicle runs under a normal working condition, the hydraulic inertial container does not work, namely the working mode of the traditional steering system; when the vehicle runs under extreme working conditions, the hydraulic inerter is in a working state, and the steering frequency of wheels can be efficiently reduced. The invention can prevent the traffic accident problem caused by high-frequency steering of wheels due to high mental tension when a driver drives under extreme working conditions, is beneficial to improving the performance of the traditional steering system, and improves the stability of vehicle control, the driving stability and comfort and the driving safety.
Description
Technical Field
The invention relates to the field of rotating systems, in particular to a rotating system for recovering inertial energy of a vehicle.
Background
The mechanism for changing or maintaining the driving direction of the vehicle becomes a steering system of the vehicle. The function of the steering system of the automobile is to control the driving direction of the automobile according to the intention of a driver, so the steering system is very important for the driving safety of the automobile.
The steering systems of automobiles are classified into two main categories, namely a mechanical steering system which is completely operated by the hands of a driver, and a power steering system which is operated by power. The power steering system is that a set of steering assistor is added on the basis of the mechanical steering system, and the mechanical steering system which is inconvenient to operate is basically replaced by the power steering system with high sensitivity.
At present, the traditional steering system has little development on the aspect of automobile driving safety and still has many limitations, and how to improve the comfort and the safety of automobile driving is always a key technology which is urgently needed to be solved by research institutions of various countries for developing automobiles. When the automobile runs under extreme working conditions of storm, snowstorm and the like, the phenomenon of high mental stress is easy to occur to a driver, so that the wheels rotate at a higher frequency, and traffic accidents are easy to cause. If the buffer function can be played to the high-frequency steering wheel under the extreme working condition, the rotation angle of the wheel is reduced, the abrasion of the wheel can be reduced to a great extent, the control stability of the vehicle, the running stability and comfort are improved, and the driving safety is improved.
Disclosure of Invention
The purpose of the invention is: the problem of traffic accidents caused by high-frequency steering of wheels due to high mental stress when a driver drives under an extreme working condition is prevented, the performance of a traditional steering system is improved, the stability of vehicle control is improved, the driving stability and comfort are improved, and the driving safety is improved.
The purpose of the invention is realized by the following steps: a vehicle inertial energy recovery rotary system comprising: the device comprises a steering wheel (1), a piston (2), a hydraulic inertial container (12) consisting of a hydraulic cylinder (3) and a hydraulic motor (11), an angular velocity sensor (9), an ECU (electronic control unit) control unit (4), a steering motor (5), wheels, an axle (7), a vehicle speed sensor (8) and a generator (10); a piston (2) is arranged in the hydraulic cylinder (3) and is tightly attached to the inner wall of the hydraulic cylinder (3), a hydraulic inertial container (12) consisting of the hydraulic cylinder (3) and a hydraulic motor (11) is connected to the lower part of the steering wheel (1) through a gear rack, and the hydraulic cylinder (2) and the generator (10) are respectively welded to the left side and the right side of the hydraulic motor (11); an angular velocity sensor (9) is welded below the hydraulic motor (11), the upper end of the ECU control unit (4) is respectively connected with the gear rack and the angular velocity sensor (9), in addition, the lower end of the ECU control unit (4) is also respectively electrically connected with a steering motor (5) welded on an axle (7) and a vehicle speed sensor (8) welded on two wheels, and the wheels on the left side and the right side are connected through the axle (7).
Further, the ECU control unit (4) is mechanically connected with the gear rack, and the ECU control unit (4) is electrically connected with the angular velocity sensor (9).
Furthermore, the hydraulic inertia container (12) has two functionsThe working mode is as follows: when the vehicle runs under the normal working condition, the hydraulic inertial container (12) does not work, and the ECU control unit (4) receives the angular speed W of the steering wheel (1)1And the rotation is transmitted to a steering motor (5) to further control the rotation of the wheels; when the vehicle runs under the extreme working condition, the hydraulic inertia container (12) is in a working state, and the steering wheel (1) is W1The ECU control unit (4) receives the angular velocity W detected by the angular velocity sensor (9)2And is transmitted to a steering motor (5) to drive the wheels to rotate, and W2＜W1。
Further, when the vehicle is operated under extreme operating conditions, the steering wheel (1) is operated at an angular velocity W1The forward rotation is realized, the gear rack mechanism converts the forward motion of a steering wheel into the vertical upward motion of a piston (2) in a hydraulic cylinder (3), a hydraulic motor (11) is driven to operate, the generated rotating force acts on a generator (10) and is stored in the generator (10) as energy, and an angular velocity sensor (9) detects an angular velocity W due to the damping characteristic caused by the flow of liquid in the hydraulic motor (11)2Is transmitted to an ECU control unit (4)
The automobile inertial energy recovery rotating system is a special linear steering system, an angular velocity sensor (9) is additionally arranged on the steering system, a circuit replaces machinery, the space capacity is increased, and the automobile inertial energy recovery rotating system is conveniently connected with a hydraulic inertial container (12).
The beneficial implementation effect of the invention is as follows: the system can prevent the traffic accident problem caused by high-frequency steering of wheels due to high mental tension when a driver drives under extreme working conditions, and is beneficial to improving the performance of a traditional steering system, improving the stability of vehicle control, the driving stability and comfort and the driving safety.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is an overall configuration diagram of a vehicle inertial energy recovery rotational system according to the present invention.
FIG. 2 is a schematic diagram of the device of the invention for a hydraulic inerter of a rotating system for recovering inertial energy of a vehicle.
Detailed Description
Referring to fig. 1 and 2, the vehicle inertial energy recovery rotation system comprises a steering wheel 1, a piston 2, a hydraulic cylinder 3, an ECU control unit 4, a steering motor 5, a left wheel 6-1, a right wheel 6-2, an axle 7, a vehicle speed sensor 8, an angular speed sensor 9, a generator 10, a hydraulic motor 11 and a hydraulic inertial container 12. Wherein, the inside of the hydraulic cylinder 3 is provided with a piston 2 which is tightly attached to the inner wall of the hydraulic cylinder 3. The hydraulic inertial container 12 composed of the hydraulic cylinder 3 and the hydraulic motor 11 is connected below the steering wheel 1 by a gear rack structure, wherein the hydraulic cylinder 2 and the generator 10 are respectively welded on the left side and the right side of the hydraulic motor 11. An angular velocity sensor 9 is welded below the hydraulic motor 11. The upper end of the ECU control unit 4 is connected with a gear rack mechanism and an angular velocity sensor 9, and the lower end is connected with a steering motor 5 welded on an axle 7 and a vehicle speed sensor 8 welded on two wheels 6-1 and 6-2. The left and right wheels 6-1 and 6-2 are connected through an axle 7. The working principle of the invention is described as follows by combining the figures 1 and 2:
the hydraulic inerter (12) has two working modes: when the vehicle runs under the normal working condition, the hydraulic inertial container (12) does not work, and the ECU control unit (4) receives the angular speed W of the steering wheel (1)1And the rotation is transmitted to a steering motor (5) to further control the rotation of the wheels (6-1, 6-2) at the left side and the right side; when the vehicle runs under extreme working conditions, the hydraulic inerter (12) is in a working state, and the steering wheel (1) is W1The gear rack mechanism converts the circumferential motion of a steering wheel into the vertical radial movement of a piston (2) in a hydraulic cylinder (3) to drive a hydraulic motor (11) to operate, and the generated rotating force acts on a generator (10) and is stored in the generator (10) as energy. The ECU control unit (4) receives the angular velocity W detected by the angular velocity sensor (9) due to the damping characteristic caused by the flow of the fluid in the hydraulic motor (11) and the like2And transmits the power to a steering motor (5) to drive wheels (6-1, 6-2) at the left and right sides to rotate (W)2＜W1）。
In conclusion, the invention discloses a vehicle inertial energy recovery rotating system which comprises a steering wheel, a piston, a hydraulic inertial container consisting of a hydraulic cylinder and a hydraulic motor, a generator, an angular velocity sensor, an ECU (electronic control unit) control unit, a steering motor, an axle, a vehicle speed sensor and wheels. The invention utilizes the buffer performance of the hydraulic inerter and has a plurality of working modes: when the vehicle runs under a normal working condition, the hydraulic inertial container does not work, namely the working mode of the traditional steering system is obtained; when the vehicle runs under an extreme working condition, the hydraulic inertial container is in a working state, and the steering frequency of the wheels can be efficiently reduced. The invention can prevent the traffic accident problem caused by high-frequency steering of wheels due to high mental tension when a driver drives under extreme working conditions, is beneficial to improving the performance of the traditional steering system, and improves the stability, the smoothness and the comfortableness of vehicle control and the driving safety.
Claims (3)
1. A vehicular inertial energy recovery rotational system, comprising: the device comprises a steering wheel (1), a piston (2), a hydraulic inertial container (12) consisting of a hydraulic cylinder (3) and a hydraulic motor (11), an angular velocity sensor (9), an ECU (electronic control unit) control unit (4), a steering motor (5), wheels, an axle (7), a vehicle speed sensor (8) and a generator (10);
a piston (2) is arranged in the hydraulic cylinder (3) and is tightly attached to the inner wall of the hydraulic cylinder (3), a hydraulic inertial container (12) consisting of the hydraulic cylinder (3) and a hydraulic motor (11) is connected to the lower part of the steering wheel (1) through a gear rack, and the hydraulic cylinder (2) and the generator (10) are respectively welded to the left side and the right side of the hydraulic motor (11); an angular velocity sensor (9) is welded below the hydraulic motor (11), the upper end of the ECU control unit (4) is respectively connected with a gear rack and the angular velocity sensor (9), in addition, the lower end of the ECU control unit (4) is also respectively and electrically connected with a steering motor (5) welded on an axle (7) and vehicle speed sensors (8) welded on two wheels, and the left and right wheels are connected through the axle (7);
the hydraulic inerter (12) has two working modes: when the vehicle runs under normal working conditions, the hydraulic inerter(12) When not in operation, the ECU control unit (4) receives the angular velocity W of the steering wheel (1)1And the rotation is transmitted to a steering motor (5) to further control the rotation of the wheels; when the vehicle runs under extreme working conditions, the hydraulic inerter (12) is in a working state, and the steering wheel (1) is W1The ECU (4) receives the angular velocity W detected by the angular velocity sensor (9)2And is transmitted to a steering motor (5) to drive the wheels to rotate, and W2＜W1。
2. The vehicle inertial energy recovery rotary system according to claim 1, wherein the ECU control unit (4) is mechanically connected to the rack and pinion, and the ECU control unit (4) is electrically connected to the angular velocity sensor (9).
3. The inertial energy recovery rotating system for vehicles according to claim 1, wherein the steering wheel (1) is at an angular velocity W when the vehicle is operating in extreme conditions1The forward rotation is realized, the gear rack mechanism converts the forward motion of a steering wheel into the vertical upward motion of a piston (2) in a hydraulic cylinder (3), a hydraulic motor (11) is driven to operate, the generated rotating force acts on a generator (10) and is stored in the generator (10) as energy, and an angular velocity sensor (9) detects an angular velocity W due to the damping characteristic caused by the flow of liquid in the hydraulic motor (11)2To the ECU control unit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195925.6A CN112896297B (en) | 2021-02-22 | 2021-02-22 | Rotating system for recovering inertial energy of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195925.6A CN112896297B (en) | 2021-02-22 | 2021-02-22 | Rotating system for recovering inertial energy of vehicle |
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| CN112896297A CN112896297A (en) | 2021-06-04 |
| CN112896297B true CN112896297B (en) | 2022-07-22 |
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| CN202110195925.6A Active CN112896297B (en) | 2021-02-22 | 2021-02-22 | Rotating system for recovering inertial energy of vehicle |
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Citations (8)
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| EP1231127A2 (en) * | 2001-02-13 | 2002-08-14 | Koyo Seiko Co., Ltd. | Steering Device for vehicle |
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| CN101239625A (en) * | 2008-03-10 | 2008-08-13 | 江苏大学 | Motor drive motor coach hydraulic steering system and controlling steering method thereof |
| CN103009956A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Energy storage suspension device having vibration energy recovery function |
| KR101349464B1 (en) * | 2012-07-05 | 2014-01-09 | 현대자동차주식회사 | Commercial vehicle's hybrid power steering system and performance and fuel ratio improving method thereof |
| CN104044429A (en) * | 2014-06-04 | 2014-09-17 | 江苏大学 | Hydraulic interconnection ISD (Inerter-Spring-Damper) hanger bracket |
| CN108468625A (en) * | 2018-01-30 | 2018-08-31 | 江苏大学 | A kind of suspension vibration energy hydraulic driving system |
| CN109017974A (en) * | 2018-07-02 | 2018-12-18 | 南京航空航天大学 | Assist steering system and its control method with active steering function |
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| JPS58136560A (en) * | 1982-02-05 | 1983-08-13 | Tokai T R W Kk | Power steering gear |
| US20070089924A1 (en) * | 2005-10-24 | 2007-04-26 | Towertech Research Group | Apparatus and method for hydraulically converting movement of a vehicle wheel to electricity for charging a vehicle battery |
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2021
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| EP1231127A2 (en) * | 2001-02-13 | 2002-08-14 | Koyo Seiko Co., Ltd. | Steering Device for vehicle |
| DE102006031959A1 (en) * | 2006-07-11 | 2008-01-17 | Daimler Ag | Steering system i.e. hydraulic assistant steering system, operating method for use in e.g. motor vehicle, involves aligning compensation moment that is produced during brake applications against interference moment acting on steering chain |
| CN101239625A (en) * | 2008-03-10 | 2008-08-13 | 江苏大学 | Motor drive motor coach hydraulic steering system and controlling steering method thereof |
| KR101349464B1 (en) * | 2012-07-05 | 2014-01-09 | 현대자동차주식회사 | Commercial vehicle's hybrid power steering system and performance and fuel ratio improving method thereof |
| CN103009956A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Energy storage suspension device having vibration energy recovery function |
| CN104044429A (en) * | 2014-06-04 | 2014-09-17 | 江苏大学 | Hydraulic interconnection ISD (Inerter-Spring-Damper) hanger bracket |
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| CN112896297A (en) | 2021-06-04 |
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