CN2853475Y - Energy feedback type electromagnetic damping device for active and semiactive suspension - Google Patents
Energy feedback type electromagnetic damping device for active and semiactive suspension Download PDFInfo
- Publication number
- CN2853475Y CN2853475Y CN 200520021970 CN200520021970U CN2853475Y CN 2853475 Y CN2853475 Y CN 2853475Y CN 200520021970 CN200520021970 CN 200520021970 CN 200520021970 U CN200520021970 U CN 200520021970U CN 2853475 Y CN2853475 Y CN 2853475Y
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- active
- damping device
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- 238000013016 damping Methods 0.000 title claims abstract description 30
- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 5
- 238000004146 energy storage Methods 0.000 claims description 15
- 230000001133 acceleration Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 8
- 238000011217 control strategy Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
An energy-feedback electromagnetic damping device for active and semi-active suspension rack relates to a vibration-damping device for vehicle, for resolving the problems of the prior art, which can not supply enough damping force to reduce vibration of large vehicle. The output of a three-phase power supply of a rotary motor 1 is connected with a three-phase current input of a power transducer 2, a torque output shaft of the rotary motor 1 is coaxially connect with an input wheel of a planetary speed reducer 2, an output wheel of the a planetary speed reducer 2 is coaxially connected with a ball feed screw 3, a feed screw nut 4 is sheathed on the ball feed screw 3. When the car body shakes, the rotary motor should be at the motor state (active suspension rack) or the generator state (semi-active suspension rack), via effective control strategy to control the output power of the rotary motor, thereby adjusting the damping force needed in vibration to resupply enough damping force to the vibration reduction of large-scale vehicle, with small volume and easy control.
Description
Technical field
The utility model relates to the shock attenuation unit that uses on a kind of vehicle.
Background technology
Publication number provides a kind of vehicle suspension energy feedback type electromagnetic vibration damping device for the patent of CN1559819A, it is develop in order to overcome existing Pendant Structure Of Vehicle complexity, cost height, the big defective of power consumption a kind of simple in structure and can be converted into the electromagnetic vibration damping device that electric energy carries out feedback to energy of vibration, its inner dumping force that adopts linear electric motors to provide vibration damping to use.The too small vibration damping that makes vehicle suspension can't be used for full size vehicle with energy feedback type electromagnetic vibration damping device of dumping force that provides owing to the small linear motor, yet when using large-scale linear electric motors that bigger dumping force is provided, be not easy to be fixed on the sprung weight place of vehicle owing to its volume is excessive, so just must provide new electromagnetic vibration damping device to replace vehicle suspension to be used for the vibration damping of full size vehicle with energy feedback type electromagnetic vibration damping device.
The utility model content
The purpose of this utility model is little and can't be used for the problem of full size vehicle vibration damping in order to solve dumping force that existing vehicle suspension provides with energy feedback type electromagnetic vibration damping device, thereby a kind of active and semi-active suspension energy feedback type electromagnetic damping device are provided.The utility model is realized by following proposal: initiatively with the semi-active suspension energy feedback type electromagnetic damping device, it comprises power converter, energy storage units, control circuit and sensor, the positive terminal of power converter DC side and negative terminals are connected the positive pole and the negative pole of energy storage units respectively, the mouth of control circuit is connected the control input end of power converter, and the mouth of sensor connects the control circuit input end; It also comprises rotating machine, planetary reduction gear, ball-screw and feed screw nut, three AC terminal of three of stator winding AC terminal connection power converters in the rotating machine, the moment output shaft of rotating machine is connected with the wheel for inputting of planetary reduction gear is coaxial, the output wheel of planetary reduction gear is connected with ball-screw is coaxial, and feed screw nut is enclosed within on the ball-screw.
Shock attenuation unit of the present utility model is fixedly connected on the unsprung weight place of vehicle to the stator of rotating machine when using, the moment mouth of feed screw nut is fixed on the sprung weight place of vehicle; The utility model utilizes ball-screw screw device that the circular movement of rotating machine output is become straight-line motion, replace vehicle suspension with the linear electric motors in the energy feedback type electromagnetic vibration damping device with this, when vibration takes place in car body, make rotating machine be operated in electrical motor (being active suspension this moment) or electrical generator (being semi-active suspension this moment) state, control the size of rotating machine horsepower output by effective control strategy, thereby adjust the size of the required dumping force of vibration damping, to reach the purpose that reduces or eliminate Vehicular vibration.The vibration damping that the utility model can provide bigger dumping force to be used for full size vehicle, and volume is little, more easy to control.Shock absorber of the present utility model equally also need not consume energy and can feed back to electric energy the storage battery of vehicle, and it has improved the cushioning performance of suspension, has saved the energy, and has reduced the cost of suspension.
Description of drawings
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the specific embodiment two and three a structural representation.
The specific embodiment
The specific embodiment one: referring to Fig. 1, this tool embodiment is by rotating machine 1, planetary reduction gear 2, ball-screw 3, feed screw nut 4, power converter 5, energy storage units 6, control circuit 7 and sensor 8 are formed, the positive terminal of power converter 5 DC side and negative terminals are connected the positive pole and the negative pole of energy storage units 6 respectively, the mouth of control circuit 7 is connected the control input end of power converter 5, the mouth of sensor 8 connects control circuit 7 input ends, three AC terminal of three of stator winding AC terminal connection power converters 5 in the rotating machine 1, the moment output shaft of rotating machine 1 is connected with the wheel for inputting of planetary reduction gear 2 is coaxial, the output wheel of planetary reduction gear 2 and 3 coaxial connections of ball-screw, feed screw nut 4 is enclosed within on the ball-screw 3.Described rotating machine 1 can be permanent magnet DC motor, brshless DC motor, induction motor or switched reluctance machines; Described power converter 5 can be operated in rectification or inversion two states: when vibration damping has the initiative the suspension state, utilize control circuit 7 to make power converter 5 be in inverter mode, make it that electric energy in energy storage units 6 is offered rotating machine 1; When vibration damping is in the semi-active suspension state, vibration of vehicle is converted to the electric energy output that rotatablely moves and vibrational energy is converted to rotating machine 1 by feed screw nut 4, ball-screw 3 and planetary reduction gear 2, utilize control circuit 7 to make power converter 5 be in rectification state simultaneously, its electric energy with rotating machine 1 output is fed back in the energy storage units 6, by the horsepower output size of control rotating machine 1 at generating state, thereby control the size of attenuation power indirectly, to reach the purpose of vibration damping; Described energy storage units 6 is storage battery or ultracapacitor.
The specific embodiment two: referring to Fig. 1 and Fig. 2, this specific embodiment with the difference of the specific embodiment one is: described power converter 5 is three-phase bridge rectification/inverter circuit 5-1, three of stator winding AC terminal connect three AC terminal of three-phase bridge rectification/inverter circuit 5-1 respectively in the rotating machine 1, the DC side positive terminal of three-phase bridge rectification/inverter circuit 5-1 connects the positive terminal of energy storage units 6, and the DC side negative terminals of three-phase bridge rectification/inverter circuit 5-1 connects the negative terminals of energy storage units 6.In this specific embodiment, make three-phase bridge be operated in rectification state or inverter mode by control circuit 7, utilize three-phase bridge to realize rectification and the fairly simple and easy realization of inversion.Other composition and annexation and
The specific embodiment one is identical.
The specific embodiment three: referring to Fig. 1 and Fig. 2, this specific embodiment with the difference of the specific embodiment two is: described sensor 8 comprises load transducer 8-1, acceleration pick-up 8-2 and displacement pickup 8-3, described control circuit 7 is made up of driving circuit 7-1 and micro controller system 7-2, three input ends of micro controller system 7-2 connect load transducer 8-1 respectively, the mouth of acceleration pick-up 8-2 and displacement pickup 8-3, the mouth of micro controller system 7-2 connects the input end of driving circuit 7-1, and six control output ends of driving circuit 7-1 connect six signal input end of three-phase bridge rectification/inverter circuit 5-1 respectively.Other composition is identical with the specific embodiment two with annexation.This specific embodiment is when using, load transducer 8-1 is used to pick up the signal of the load carrying ability size of vehicle, acceleration pick-up 8-2 is used to pick up the acceleration signal of the sprung weight of vehicle with respect to the unsprung weight motion, just pick up the acceleration signal of vibration, displacement pickup 8-3 pick up the direction that is used to judge Vehicular vibration (as sprung weight be downwards or upward movement) signal.According to vehicle capacity size, vibration acceleration and direction of vibration, regulate the power of three-phase bridge rectification/inverter circuit 5-1 by control circuit 7 to energy storage units 6 accumulation of energys, thereby regulate the size of the output torque of rotating machine 1, also just be equivalent to change the size of dumping force in the shock absorber, thereby make effectiveness in vibration suppression better.The basic thought of the utility model suspension Active Vibration Control is the response (displacement, speed, acceleration/accel etc.) that utilizes sensor continuous detecting car body, axletree, with the input of these responses as controller, go to control action mechanism with the output of controller, between car body and axletree, apply power or moment, to satisfy certain vibration performance index request.Control circuit 7 adopts pulse width modulation mode control three-phase bridge internal power transistorized disconnected and logical, employing is picked up vehicle body absolute velocitye or vehicle body to the relative velocity of axletree, the signals such as acceleration/accel of vehicle body by sensor, sends instruction through micro controller system 7-2 and carries out control in real time.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520021970 CN2853475Y (en) | 2005-11-17 | 2005-11-17 | Energy feedback type electromagnetic damping device for active and semiactive suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520021970 CN2853475Y (en) | 2005-11-17 | 2005-11-17 | Energy feedback type electromagnetic damping device for active and semiactive suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2853475Y true CN2853475Y (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520021970 Expired - Fee Related CN2853475Y (en) | 2005-11-17 | 2005-11-17 | Energy feedback type electromagnetic damping device for active and semiactive suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2853475Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271022B (en) * | 2008-05-15 | 2010-06-09 | 上海交通大学 | Transmission Path Detection System for Vehicle System Structural Vibration and Noise |
| CN103670983B (en) * | 2013-12-09 | 2015-12-30 | 河北工业大学 | A kind of vehicle vibration power generation device |
| CN108515823A (en) * | 2018-05-15 | 2018-09-11 | 山东大学 | A kind of adjustable energy feedback type vehicle active suspension electromagnetic vibration control device of damping |
| CN110513418A (en) * | 2019-08-20 | 2019-11-29 | 武汉理工大学 | A Displacement Adjustable Energy Feed Shock Absorber |
| CN111251889A (en) * | 2020-02-25 | 2020-06-09 | 江苏大学 | A kind of inertial energy feeding device for new energy vehicle and its working method |
| CN116292161A (en) * | 2023-05-22 | 2023-06-23 | 河海大学 | An electromagnetic inertial vibration energy harvesting device and method including an energy-feeding mode |
-
2005
- 2005-11-17 CN CN 200520021970 patent/CN2853475Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101271022B (en) * | 2008-05-15 | 2010-06-09 | 上海交通大学 | Transmission Path Detection System for Vehicle System Structural Vibration and Noise |
| CN103670983B (en) * | 2013-12-09 | 2015-12-30 | 河北工业大学 | A kind of vehicle vibration power generation device |
| CN108515823A (en) * | 2018-05-15 | 2018-09-11 | 山东大学 | A kind of adjustable energy feedback type vehicle active suspension electromagnetic vibration control device of damping |
| CN108515823B (en) * | 2018-05-15 | 2023-11-14 | 山东大学 | A damping-adjustable energy feedback electromagnetic vibration reduction device for automobile active suspension |
| CN110513418A (en) * | 2019-08-20 | 2019-11-29 | 武汉理工大学 | A Displacement Adjustable Energy Feed Shock Absorber |
| CN111251889A (en) * | 2020-02-25 | 2020-06-09 | 江苏大学 | A kind of inertial energy feeding device for new energy vehicle and its working method |
| CN111251889B (en) * | 2020-02-25 | 2021-06-22 | 江苏大学 | A kind of inertial energy feeding device for new energy vehicle and its working method |
| CN116292161A (en) * | 2023-05-22 | 2023-06-23 | 河海大学 | An electromagnetic inertial vibration energy harvesting device and method including an energy-feeding mode |
| CN116292161B (en) * | 2023-05-22 | 2023-08-11 | 河海大学 | An electromagnetic inertial vibration energy harvesting device and method including an energy-feeding mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |