CN102678483A - Method for implementing forced vibration for kinetic energy power generation of electric automobile - Google Patents
Method for implementing forced vibration for kinetic energy power generation of electric automobile Download PDFInfo
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- CN102678483A CN102678483A CN 201210182790 CN201210182790A CN102678483A CN 102678483 A CN102678483 A CN 102678483A CN 201210182790 CN201210182790 CN 201210182790 CN 201210182790 A CN201210182790 A CN 201210182790A CN 102678483 A CN102678483 A CN 102678483A
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- hollow weight
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- 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
- B60G13/16—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dynamic absorbers as main damping means, i.e. spring-mass system vibrating out of phase
- B60G13/18—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dynamic absorbers as main damping means, i.e. spring-mass system vibrating out of phase combined with energy-absorbing means
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the field of kinetic energy power generation of electric automobiles, in particular to a method. According to the method, when a spring upper automobile body with a vertical elastic system vibrates in the running process of an electric automobile, a spur rack vertically fixed in the spring upper automobile body is meshed with a gear which is arranged on another elastic vibrating body and in which a unidirectional bearing is sleeved, the elastic vibrating body is unidirectionally and synchronously driven to be subjected to forced frequency resonance or effective vibration to generate kinetic energy, and a kinetic energy power generation device arranged on the elastic vibrating body generates power by using the generated kinetic energy.
Description
Technical field
The present invention relates to a kind of electric vehicle kinetic energy power field; Specifically belong to; During a kind of electric automobile during traveling, when having on the spring of vertical elastic system body vibrations, utilize be provided with on its fixing spur rack and another elastic vibration body in be with the active force that meshes between the gear of unilateral bearing; Make the frequency resonance that this elastic vibration body compeled and produce kinetic energy, and make the kinetic energy that the kinetic-energy power generator utilization that is arranged on this elastic vibration body produces and the method for generating electricity.
Background technique
At present, the recover kinetic energy when the known method of utilizing automobile kinetic energy to generate electricity is skidding, the electric energy efficiency of its generation is lower.The vibration kinetic energy that is had during electric automobile during traveling; How changing into through kinetic-energy power generator can the omnidistance electric energy of recycling continuously; Just seeming is even more important, and the object of the invention is to realize the kinetic energy generating of vibrating in the electric automobile during traveling process and a kind of method is provided.
Summary of the invention
The object of the invention provides a kind of method, realizes the generating of vibration kinetic energy in the electric automobile during traveling process.Vehicle bridge framework tetrapod with fixing vehicle wheel is support; Vertical fixing is with the optical axis of supported spring; Vehicle body is through the linear bearings that four jiaos of decies are provided with on the electric vehicle spring, be enclosed within vehicle bridge vertical optical axis place and be pressed in supported spring above, during electric automobile during traveling; The motion of vehicle body is limited and not removable with respect to the vehicle bridge substantially horizontal on the spring, and Vertical direction can the easy on and off vibration.
Four jiaos of hollow weight supporting plates that are provided with linear bearing are enclosed within the optical axis place; Hollow weight supporting plate below is provided with and is enclosed within the optical axis place and by the supported spring of vehicle body backplanes support on the spring, and perhaps hollow weight supporting plate is suspended in by extension spring below the upper support of vehicle body on the spring.
Fixed placement has the weight case that holds weight above the hollow weight supporting plate; Weight case internal fixation is provided with battery pack or other weights; Move with slide rail or ball between weight case bottom and the hollow weight supporting plate; And fix with locating stud for convenience detach, a vertical oblong channels is arranged at weight case bottom, on the hollow weight supporting plate of this channel position, fixedly installs a central shaft; Be with gear train and the booster engine and the generator of torsion unilateral bearing in the same way on central shaft, being provided with; Hollow weight supporting plate place in the gear train position is to go up lower through-hole, make be provided with spur rack the vertical support frame from here the hollow weight blade position of through hole pass the base plate of vehicle body on the spring; And be fastened on up and down on the support frame of vehicle bridge top/bottom part; Make be provided with on the spur rack that is fixed on the end, the vehicle bridge top support frame and the central shaft in be with in the same way that the gear of torsion unilateral bearing is one-sided adjacent relative engagement, two covers are the constitute one group driver element of one-sided adjacent surface to the spur rack of engagement and gear, according to the do work size of required torque of driving mechanism; One or more groups driver element can be set on central shaft; Two outside diameters of gear in every group of driver element can be designed as and vary in size two kinds, wherein external diameter is bigger press down buffer gear cold when the vibration of hollow weight supporting plate is fallen because it has centering bare weight thing supporting plate elastic buffer property preferably with the gear teeth meshing place of spur rack greatly apart from the arm of force of central shaft, the less resilience damper gear of another external diameter is under hollow weight supporting plate vibrates during backward resilience; Owing to the gear teeth meshing place of itself and spur rack has the damping property property preferably of vehicle body on the spring apart from the arm of force of central shaft is less; Central shaft and unilateral bearing and gear are fixed through keyway and key pin each other, so, have just constituted the gear transmission structure of electric vehicle kinetic-energy power generator.
On the central shaft of electric vehicle kinetic-energy power generator, be provided with the identical driving direction of one or more and above-mentioned driver element in be with the unidirectional driving force gear of unilateral bearing; Central shaft and unilateral bearing and gear also are to fix through keyway and key pin each other; To fix through driving force spur rack supporting frame at the spring vertically disposed one or more driving force spur racks of face of getting on the bus on one's body with unidirectional driving force gear mesh is answered; And carry out the one-sided engagement of homonymy with unidirectional driving force gear; The single effect force direction of engagement is to make the sense of rotation of central shaft identical to the turning effort force direction of central shaft with driver element; During electric automobile during traveling; The vibration of vehicle body produces the single effect power of wheel between cog on the spring through the unidirectional driving force gear that is provided with on vertically disposed driving force spur rack and the central shaft; This driving force outside diameter of gear is less than the outside diameter of gear of driver element, guarantees between the gear teeth of this driving force effect that active force is not only the resonance of elastic system hollow weight supporting plate occurrence frequency or the effective unidirectional driving force of the Vertical direction of vibration, and is that the make central shaft identical with driver element has the unidirectional drive torsion of identical sense of rotation.
Since during the electric vehicle smooth-ride on the spring amplitude of body vibrations less; Make that the vibration of vehicle body is only not obvious to the arousal effect that elastic system hollow weight supporting plate above that is set through spring on the spring; For directly effectively occurrence frequency resonance of excitation hollow weight supporting plate or the effectively vibration of vibration that makes vehicle body on the spring; This through adopting in the spring directly unidirectional method of instigating hollow weight supporting plate synchronously in the same way of vertically disposed on one's body driving force spur rack of getting on the bus, realized the vibration that hollow weight supporting plate is compeled.During electric automobile during traveling; Through the eigentone with elastic system hollow weight supporting plate be adjusted into the elastic system spring on the identical or close method of eigentone of vehicle body; Make the resonance of vibrational excitation hollow weight supporting plate occurrence frequency or the effectively vibration of vehicle body on the spring; Above momentum transfer to the hollow weight supporting plate of realization with body vibrations on the spring; And carried out kinetic energy by the kinetic-energy power generator utilization that fixedly installs on the hollow weight supporting plate and generate electricity; Owing to be set with kinetic-energy power generator on the hollow weight supporting plate, driver element spur rack and the single vibration displacement between gear that makes generator for electricity generation is because of frequency resonance or effectively vibrate the amplitude that has amplified vibration, and then has effectively improved the generating efficiency of kinetic-energy power generator on the hollow weight supporting plate.
Vehicle body excitation elastic system hollow weight supporting plate occurrence frequency resonance or when effectively vibrating on the elastic system spring; The vibration of vehicle body and hollow weight supporting plate has the characteristics of synchronously different in the same way speed on the spring; Wherein, The velocity of displacement and the amplitude of the each one way vibration of hollow weight supporting plate are greater than vehicle body on the spring; Because driving force gear that vertically disposed on one's body driving force spur rack instigates to have unilateral bearing is the characteristics with single effect power to have adopted spring to get on the bus; Even vehicle body and hollow weight supporting plate in Vertical direction instantaneous impact shock take place on the spring because road bump causes, do not influence spring yet and get on the bus the driving force spur rack that is provided with on one's body through the hormetic in the same way synchronously effect of driving force gear mesh hollow weight supporting plate generation.
Because there is bigger starting torque in high-power generator; The vibration of centering bare weight thing supporting plate has bigger resistance; In order to overcome the resistance that the high-power generator starting torque brings; Employing stretches extension spring to produce the extension spring pretightening force method of the energy that prestores of elastic potential energy in advance; Promptly on hollow weight supporting plate with below, use extension spring to be connected the size of the prefastening force of last tension spring respectively with the top of vehicle bridge framework and the support beam place of bottom; It is respectively arm of force position in the gear teeth meshing of spur rack and gear; The pairing pulling force of the starting torque that booster engine and generator can be rotated that is to say, the prefastening force of last tension spring just overcomes the gear teeth meshing power with pairing spur rack of starting torque resistance and gear respectively; Centering bare weight thing supporting plate does not produce the pulling force up or down of Vertical direction; The weight of hollow weight supporting plate is to act directly on spring and get on the bus on one's body through being arranged on the get on the bus spring of non-pretightening force extension spring of spring on one's body, and the pretightening force extension spring is to be in gravity and the Spring balanced static position of elastic system at the get on the bus spring of the non-pretightening force extension spring that is provided with of hollow weight supporting plate and spring on one's body, as the position of consolidating the force up and down at the support beam place that connects vehicle bridge frame roof and bottom respectively.
Select the pretightening force extension spring to be connected with hollow weight supporting plate at the top of vehicle bridge framework and the support beam place of bottom; Be because this Placement makes pretightening force extension spring structure when the vibration of electric automobile during traveling; Pulling force effect with pretightening force extension spring of minimum displacement and the best of producing with respect to ground; Simultaneously also be to make hollow weight supporting plate produce the maximized optimum position of vibration amplitude difference with respect to vehicle body on the spring; Help improving the stroke of hollow weight supporting plate single vibration, and then improve the generating efficiency of kinetic energy launch device on the hollow weight supporting plate.
So; Difference according to spring stress point; Forming three kinds of spring structures, is respectively the supported spring of vehicle body on the spring, and the be supported in supported spring on the deck on the spring or the hollow weight supporting plate of hollow weight supporting plate are suspended in the spring that the passes hollow weight supporting plate suspention extension spring below on one's body the supporting frame of getting on the bus; The pretightening force extension spring that is connected of supporting frame up and down of hollow weight supporting plate and vehicle bridge; Wherein, hollow weight supporting plate is arranged on spring the get on the bus supported spring that is in or suspention extension spring, with hollow weight supporting plate be connected vehicle bridge up and down the opposite direction pretightening force extension spring at supporting frame place constitute the composite elastic system of hollow weight supporting plate jointly.
In hollow weight supporting plate when vibration,, the stack of the active force of vibration and one of them equidirectional pretightening force tension spring tension is greater than the pulling force of another opposite direction pretightening force extension spring, just can drive the kinetic-energy power generator starting torque and realizes the purpose of generating electricity.
Since be fixed on vertical support frame spur rack on the end, the vehicle bridge top support frame and be with hollow weight supporting plate on the gear train of central shaft be the engagement contact condition; During electric automobile during traveling; The road surface sees through the jolt recoil force of tire to automotive body, sees through vehicle bridge and is fixed on the vertical support frame spur rack on the end support frame of vehicle bridge top, and the influence when the electric automobile during traveling is consistent to vehicle body on the spring and hollow weight supporting plate; Help the resonance of these two elastic systems when electric automobile during traveling or the effect of effectively vibrating; So, the electric vehicle kinetic-energy power generator in the stroke up and down of a vibration, is realized the kinetic energy of vibration with hollow weight supporting plate; Mechanical energy, the mutual conversion of electric energy and elastic potential energy.
According to hollow weight supporting plate the eigentone under the composite elastic system be designed to the electric vehicle spring on the vehicle body eigentone identical or close to realize the frequency resonance or the effective design principle of vibration; The vehicle body eigentone is set under the eigentone situation of hollow weight supporting plate on the electric vehicle spring; Weight configuration according to hollow weight supporting plate; Can design the rigidity of hollow weight supporting plate composite elastic system; According to the pulling force that drives the required pretightening force extension spring of kinetic-energy power generator starting torque and the amount of tension of pairing pretightening force extension spring under this pulling force; Can calculate the rigidity of pretightening force extension spring; And then can calculate the rigidity of each spring of the composite elastic system of hollow weight supporting plate, thereby realize making the hollow weight supporting plate can occurrence frequency resonance or the effective eigentone of vibration.
When the weight of the occupant of electric vehicle or loading changes; The corresponding change takes place in the eigentone of vehicle body on the spring when making electric automobile during traveling; Vehicle body vibration frequency and the resonance of hollow weight supporting plate or the effect of effectively vibrating on the spring when keeping electric automobile during traveling; Take following method; The pneumatic spring parallelly connected with supported spring is set below vehicle body on the spring; Below hollow weight supporting plate, also be provided with and be supported on get on the bus the on one's body parallelly connected pneumatic spring of supported spring of side of spring; Or above hollow weight supporting plate, be provided be suspended in spring on the parallelly connected pneumatic spring of extension spring of suspention hollow weight supporting plate below the vehicle body supporting frame, vibration transducer collection vibration frequency signal is set, through the vehicle-mounted compressed air reservoir of electronic controller controls respectively on vehicle body on the spring and hollow weight supporting plate; To regulate pneumatic spring air pressure mode; Air spring rigidity is adjusted, and then reached the elastic system eigentone of vehicle body and hollow weight supporting plate on the adjustment spring, thereby make the identical or close effect of elastic system eigentone maintenance of vehicle body and hollow weight supporting plate on the spring; The effect that vehicle body and hollow weight supporting plate keep resonance or effectively vibrate on the spring when realizing electric automobile during traveling; Wherein, the pneumatic spring through vehicle body on the spring is controlled to be coarse adjustment to the adjustment of the eigentone of vehicle body on the spring, purpose be on spring vehicle body because occupant or loading when bigger weight change takes place; The eigentone of vehicle body on the spring is controlled in the low-frequency range below 3 hertz; The adjustment of the eigentone of the pneumatic spring centering bare weight thing supporting plate through hollow weight supporting plate is controlled to be accurate adjustment, purpose be on spring vehicle body because occupant or loading generation less weight change or because the influence of speed of a motor vehicle road conditions causes when less change takes place the vehicle body vibration frequency on the spring air pressure accurate adjustment of the pneumatic spring through centering bare weight thing supporting plate; Reach the eigentone identical or close effect of vibration frequency of vehicle body on the spring during that keeps hollow weight supporting plate with electric automobile during traveling; So, not only reduce the coarse adjustment frequency, save the pressurized air use amount in the vehicle-mounted compressed air reservoir but also improve and to have improved the frequency resonance or the effective effect of vibration vehicle body eigentone on the spring.
Be with the gear structure of torsion unilateral bearing in the same way owing to adopted on central shaft, being provided with; In the stroke up and down of a vibration; Be fixed on the vehicle bridge vertical support frame spur rack and in be with the active force of the wheel between cog engagement that is produced between the gear of torsion unilateral bearing in the same way; Through two gears in every group of driver element; Drive two in the same way the unilateral bearing of torsion central shaft has been produced successively this torsion in the same way of those nothings has been arranged, accomplish motion with hollow weight supporting plate vertical tremor and change into and make central shaft by the motion of rotation continuously of same direction, so; Elastic system and gear engagement device and booster engine and generator have just constituted the mechanical transmission structure of kinetic energy generating; And then realized acting with the kinetic energy of vehicle body on the spring and the hollow weight supporting plate vibration mechanical transmission structure through having commutation function, and making the purpose of generator for electricity generation, the electric energy that is produced can store and discharge through super capacitor; Reduce the energy loss that the storage battery that backwashes brings, this kinetic-energy power generator is equally applicable to mixed power electric car with method.
For making full use of the kinetic energy of body vibrations on the spring; With orthodox car leaf spring vibration damping friction plate reduce or suspension in the vibration damper cancellation adopted, replace the vibration-damping function of the original vibration damping friction plate of vehicle body and vibration damper on the spring with the kinetic energy of this device for mechanical drive mechanism acting formed damping power of generating electricity.Simultaneously; In the fixed vertical optical axis between the vehicle body and the setting of linear bearing on vehicle bridge and the spring; Can be with method with respect to the transverse movement of the limited and immovable control vehicle body of vehicle bridge substantially horizontal; Realize that vehicle body is with respect between the vehicle bridge on hollow weight supporting plate and the spring, substantially horizontal is limited not removable, only can prevent the function of inclination along the replacement transverse link that optical axis vibrates down in vertical direction.
Description of drawings
Fig. 1 is an electric vehicle vibration kinetic-energy power generator structural drawing
Fig. 2 is an electric vehicle vibration kinetic energy generating means structural drawing
Fig. 3 is mechanical transmission electrification structure figure
Fig. 4 is a structural drawing of realizing forced vibration
Fig. 5 is spur rack and gear and unilateral bearing structural drawing
Embodiment
Vehicle bridge framework 2 tetrapods with fixing vehicle wheel are support; Vertical fixing is with the optical axis 1 of supported spring 7; Vehicle body 9 is through four jiaos of linear bearings 11 that are provided with of deck on the electric vehicle spring, be enclosed within vehicle bridge vertical optical axis 1 place and be pressed in supported spring 7 above, during electric automobile during traveling; The motion of vehicle body 9 is limited and not removable with respect to vehicle bridge framework 2 substantially horizontals on the spring, and Vertical direction can the easy on and off vibration.
Four jiaos of hollow weight supporting plates 21 that are provided with linear bearing 11 are enclosed within optical axis 1 place; Hollow weight supporting plate 21 belows are provided with and are enclosed within optical axis 1 place and by the supported spring 7 of 9 backplanes support of vehicle body on the spring, and perhaps hollow weight supporting plate 21 is suspended in by extension spring below the upper support of vehicle body on the spring.
Fixed placement has the weight case that holds weight above the hollow weight supporting plate 21; Weight case internal fixation is provided with battery pack or other weights; Move with slide rail or ball between weight case bottom and the hollow weight supporting plate 21; And fix with locating stud for convenience detach; One vertical oblong channels is arranged at weight case bottom; On the hollow weight supporting plate 21 of this channel position, fixedly install a central shaft 14, be with 15 groups of gears and the booster engine 17 and generator 18 of torsion unilateral bearing 16 in the same way on central shaft 14, being provided with, hollow weight supporting plate place 21 in the gear train position; Be to go up lower through-hole; Make the vertical support frame 12 that is provided with spur rack 13 pass the base plate of vehicle body 9 on the spring in hollow weight supporting plate 21 positions of through hole from here, and be fastened on vehicle bridge up and down and push up on 4 ones the support frame in 3 ends 2, make be fixed on vehicle bridge push up be provided with on spur rack 13 and the central shaft 14 on 3 ends 4 support frames 2 in be with in the same way that the gear 15 of torsion unilateral bearing 16 is one-sided adjacent relative engagement; Two covers are one-sided adjacent surface to the spur rack 13 of engagement and the one group of driver element that constitutes of gear 15; Size according to driving mechanism acting required torque can be provided with one or more groups driver element on central shaft 14, every group of two interior outside diameters of gear of driver element can be designed as and vary in size two kinds; Wherein external diameter is bigger press down buffer gear cold when 21 vibrations of hollow weight supporting plate are fallen because it has centering bare weight thing supporting plate 21 preferably elastic buffer property apart from the arm of force of central shaft 14 than big with the gear teeth meshing place of spur rack 13; The less resilience damper gear of another external diameter is when the resilience that 21 vibrations of hollow weight supporting plate fall behind down, because the gear teeth meshing place of itself and spur rack 13 has vehicle body on the spring 9 damping property property preferably apart from the arm of force of central shaft is less, central shaft 14 and unilateral bearing 16 and gear 15 are fixed through keyway and key pin each other; So, just constituted the gear transmission structure of electric vehicle kinetic-energy power generator.
On the central shaft 14 of electric vehicle kinetic-energy power generator, be provided with the identical driving direction of one or more and above-mentioned driver element in be with the unidirectional driving force gear 15 of unilateral bearing 16; Central shaft 14 also is to fix through keyway and key pin with unilateral bearing 16 with gear 15 each other; Vertically disposed one or more driving force spur racks 20 are fixing through driving force spur rack supporting frame 22 above the vehicle body on spring 9 that will answer with unidirectional driving force gear mesh; And carry out the one-sided engagement of homonymy with unidirectional driving force gear; The single effect force direction of engagement is to make the sense of rotation of central shaft 14 identical to the turning effort force direction of central shaft with driver element; During electric automobile during traveling; The vibration of vehicle body 9 produces the single effect power of wheel between cog on the spring through the unidirectional driving force gear that is provided with on vertically disposed driving force spur rack 20 and the central shaft 14; This driving force outside diameter of gear is less than the outside diameter of gear of driver element; Guarantee between the gear teeth of this driving force effect that active force is not only the resonance of elastic system hollow weight supporting plate 21 occurrence frequencies or the effective unidirectional driving force of the Vertical direction of vibration, and be that the make central shaft 14 identical with driver element has the unidirectional drive torsion of identical sense of rotation.
Because the amplitude that vehicle body 9 vibrates on the spring during electric vehicle smooth-ride is less; Make that the vibration of vehicle body 9 is only not obvious to the arousal effect that elastic system hollow weight supporting plate 21 above that is set through spring on the spring; For directly effectively 21 occurrence frequencies resonance of excitation hollow weight supporting plate or the effectively vibration of vibration that makes vehicle body 9 on the spring; Through adopt this on vehicle body on the spring 9 the directly unidirectional method of instigating hollow weight supporting plate 21 synchronously in the same way of vertically disposed driving force spur rack 20, realized the vibration that hollow weight supporting plate 21 is compeled.
During electric automobile during traveling; Through the eigentone with elastic system hollow weight supporting plate 21 be adjusted into the elastic system spring on the identical or close method of eigentone of vehicle body 9; Make the resonance of vibrational excitation hollow weight supporting plate 21 occurrence frequencies or the effectively vibration of vehicle body 9 on the spring; Above momentum transfer to the hollow weight supporting plate 21 of realization with 9 vibrations of vehicle body on the spring; And carried out kinetic energy by the kinetic-energy power generator utilization that fixedly installs on the hollow weight supporting plate 21 and generate electricity; Owing to be set with kinetic-energy power generator on the hollow weight supporting plate 21, the driver element spur rack 13 that makes generator 18 generatings and the single vibration displacement of 15 of gears are because of frequency resonance or effectively vibrate and amplified the amplitude that vibrates, and then have effectively improved the generating efficiency of kinetic-energy power generator on the hollow weight supporting plate 21.
Vehicle body 9 excitation elastic system hollow weight supporting plates 21 occurrence frequencies resonance or when effectively vibrating on the elastic system spring; The vibration of vehicle body 9 and hollow weight supporting plate 21 has the characteristics of synchronously different in the same way speed on the spring; Wherein, The velocity of displacement and the amplitude of the 21 each one way vibrations of hollow weight supporting plate are greater than vehicle body 9 on the spring; Because the driving force gear 15 that has adopted on the spring vertically disposed driving force spur rack 20 on the vehicle body 9 to instigate to have unilateral bearing 16 is the characteristics with single effect power; Even vehicle body 9 in Vertical direction instantaneous impact shock takes place with hollow weight supporting plate 21 on the spring because road bump causes, do not influence the driving force spur rack 20 that is provided with on the vehicle body 9 on the spring yet and produce hormetic in the same way synchronously effect through driving force gear 15 centering bare weight thing supporting plates 21.
Because there is bigger starting torque in high-power generator; 21 vibrations of centering bare weight thing supporting plate have bigger resistance; In order to overcome the resistance that the high-power generator starting torque brings; Employing stretches extension spring to produce the extension spring pretightening force method of the energy that prestores of elastic potential energy in advance; Promptly on hollow weight supporting plate with below, use extension spring to be connected the size of the prefastening force of last 5 times 6 extension springs respectively with the top 3 of vehicle bridge framework 2 and the support beam place of bottom 4; It is respectively arm of force position in the gear teeth meshing of spur rack 13 and gear 15; The pairing pulling force of starting torque that booster engine 17 and generator 18 can be rotated that is to say that the prefastening force of last 5 times 6 extension springs just overcomes the gear teeth meshing power with pairing spur rack of starting torque resistance and gear respectively; Centering bare weight thing supporting plate 21 does not produce the pulling force up or down of Vertical direction; The weight of hollow weight supporting plate 21 is to act directly on the spring on the vehicle body 9 through the spring 8 that is arranged on non-pretightening force extension spring on the vehicle body 9 on the spring, and pretightening force extension spring 5 and 6 is gravity and Spring balanced static position that the spring 8 of the non-pretightening force extension spring that on hollow weight supporting plate 21 and spring, is provided with on the vehicle body 9 is in elastic system, as the position of consolidating the force up and down at the support beam place that connects vehicle bridge frame roof 3 and bottom 4 respectively.
Select pretightening force extension spring 5 to be connected with hollow weight supporting plate 21 at the top 3 of vehicle bridge framework and the support beam place of bottom 4 with 6; Be because this Placement makes pretightening force extension spring 5 and 6 structures when the vibration of electric automobile during traveling; Pulling force effect with pretightening force extension spring of minimum displacement and the best of producing with respect to ground; It simultaneously also is the maximized optimum position of vibration amplitude difference that hollow weight supporting plate 21 is produced with respect to vehicle body on the spring 9; Help improving the stroke of hollow weight supporting plate 21 singles vibration, and then improve the generating efficiency of kinetic energy launch device on the hollow weight supporting plate 21.
So; Difference according to spring stress point; Form three kinds of spring structures; It is respectively the supported spring 7 of vehicle body 9 on the spring; Hollow weight supporting plate be supported on the spring supported spring on vehicle body 9 base plates 8 or hollow weight supporting plate 21 is suspended in the suspention extension spring below the supporting frame on the vehicle body 9 on the spring that passes hollow weight supporting plate 21, the pretightening force extension spring 5 and 6 that 3 times 4 supporting frames 2 are connected on hollow weight supporting plate 21 and the vehicle bridge, wherein; Hollow weight supporting plate 21 is arranged on the supported spring 8 or the suspention extension spring at vehicle body 9 places on the spring, is connected the opposite direction pretightening force extension spring 5 at 3 times 4 supporting frame places on the vehicle bridge and the composite elastic systems of 6 common formation hollow weight supporting plates 21 with hollow weight supporting plate 21.
During hollow weight supporting plate 21 vibration, the stack of the active force of vibration and one of them equidirectional pretightening force tension spring tension is greater than the pulling force of another opposite direction pretightening force extension spring, just can drive the kinetic-energy power generator starting torque and realizes the purpose of generating electricity.
Since be fixed on vehicle bridge push up vertical support frame 12 spur racks 13 on 3 ends 4 support frames 2 be with hollow weight supporting plate 21 on the gear train of central shaft 14 be the engagement contact condition; During electric automobile during traveling; The road surface sees through the jolt recoil force of tire to automotive body, sees through vehicle bridge and be fixed on vehicle bridge to push up vertical support frame 12 spur racks 13 on 3 ends 4 support frames 2, and the influence when the electric automobile during traveling is consistent to vehicle body on the spring 9 and hollow weight supporting plate 21; Help the resonance of these two elastic systems when electric automobile during traveling or the effect of effectively vibrating; So, the electric vehicle kinetic-energy power generator in the stroke up and down of a vibration, is realized the kinetic energy of vibration with hollow weight supporting plate 21; Mechanical energy, the mutual conversion of electric energy and elastic potential energy.
According to hollow weight supporting plate 21 the eigentone under the composite elastic system be designed to the electric vehicle spring on the vehicle body eigentone identical or close to realize the frequency resonance or the effective design principle of vibration; Vehicle body 9 eigentones are set under the eigentone situation of hollow weight supporting plate 21 on the electric vehicle spring; Weight configuration according to hollow weight supporting plate 21; Can design the rigidity of hollow weight supporting plate 21 composite elastic systems; According to the pulling force that drives the required pretightening force extension spring of kinetic-energy power generator starting torque and the amount of tension of pairing pretightening force extension spring under this pulling force; Can calculate the rigidity of pretightening force extension spring; And then can calculate the rigidity of each spring of the composite elastic system of hollow weight supporting plate 21, thereby realize making the hollow weight supporting plate 21 can occurrence frequency resonance or the effective eigentone of vibration.
When the weight of the occupant of electric vehicle or loading changes; The corresponding change takes place in the eigentone of vehicle body 9 on the spring when making electric automobile during traveling; Vehicle body 9 vibration frequencies and the resonance of hollow weight supporting plate 21 or the effect of effectively vibrating on the spring when keeping electric automobile during traveling; Take following method; The pneumatic spring 19 parallelly connected with supported spring 7 is set below vehicle body on the spring 9; Below hollow weight supporting plate 21, also be provided with and be supported on get on the bus the on one's body parallelly connected pneumatic spring 19 of supported spring 8 of side of spring; Or above hollow weight supporting plate, be provided be suspended in spring on the parallelly connected pneumatic spring of extension spring of suspention hollow weight supporting plate below the vehicle body supporting frame, vibration transducer 10 collection vibration frequency signals are set, through the vehicle-mounted compressed air reservoir of electronic controller controls respectively on vehicle body on the spring 9 and hollow weight supporting plate 21; To regulate pneumatic spring 19 air pressure modes; Pneumatic spring 19 rigidity are adjusted, and then reached the elastic system eigentone of vehicle body 9 and hollow weight supporting plate 21 on the adjustment spring, thereby make the identical or close effect of elastic system eigentone maintenance of vehicle body 9 and hollow weight supporting plate 21 on the spring; Vehicle body 9 keeps the effect of resonance or effective vibration with hollow weight supporting plate 21 on the spring when realizing electric automobile during traveling; Wherein, the adjustment through the eigentone of vehicle body 9 on 19 pairs of springs of pneumatic spring of vehicle body on the spring 9 is controlled to be coarse adjustment, purpose be on spring vehicle body 9 because occupant or loading when bigger weight change takes place; The eigentone of vehicle body on the spring 9 is controlled in the low-frequency range below 3 hertz; The adjustment of the eigentone of the pneumatic spring 19 centering bare weight thing supporting plates 21 through hollow weight supporting plate 21 is controlled to be accurate adjustment, purpose be on spring vehicle body 9 because occupant or loading generation less weight change or because the influence of speed of a motor vehicle road conditions causes when less change takes place vehicle body 9 vibration frequencies on the spring air pressure accurate adjustment of the pneumatic spring 19 through centering bare weight thing supporting plate 21; Reach the eigentone identical or close effect of vibration frequency of vehicle body 9 on the spring during that keeps hollow weight supporting plate 21 with electric automobile during traveling; So, not only reduce the coarse adjustment frequency, save the pressurized air use amount in the vehicle-mounted compressed air reservoir but also improve and to have improved the frequency resonance or the effective effect of vibration 9 eigentones of vehicle body on the spring.
Be with gear 15 structures of torsion unilateral bearing 16 in the same way owing to adopted on central shaft 14, being provided with; In the stroke up and down of a vibration; Be fixed on the vehicle bridge 2 vertical support frame 12 spur racks 13 and in be with the active force of the wheel between cog engagement that is produced between the gear 15 of torsion unilateral bearing 16 in the same way; Through two gears in every group of driver element; Drive two in the same way the unilateral bearing of torsion central shaft 14 has been produced successively this torsion in the same way of those nothings has been arranged, accomplish motion with hollow weight supporting plate 21 vertical tremors and change into and make central shaft 14 by the motion of rotation continuously of same direction, so; Elastic system and gear engagement device and booster engine 17 have just constituted the mechanical transmission structure that kinetic energy generates electricity with generator 18; And then realized acting with the kinetic energy of vehicle body on the spring 9 and 21 vibrations of the hollow weight supporting plate mechanical transmission structure through having commutation function, and making the purpose of generator 18 generatings, the electric energy that is produced can store and discharge through super capacitor; Reduce the energy loss that the storage battery that backwashes brings, this kinetic-energy power generator is equally applicable to mixed power electric car with method.
For making full use of the kinetic energy of vehicle body 9 vibrations on the spring; With orthodox car leaf spring vibration damping friction plate reduce or suspension in the vibration damper cancellation adopted, replace the vibration-damping function of vehicle body 9 original vibration damping friction plates and vibration damper on the spring with the kinetic energy of this device for mechanical drive mechanism acting formed damping power of generating electricity.Simultaneously; In the setting of the fixed vertical optical axis between the vehicle body 9 on vehicle bridge 2 and the spring 1 with linear bearing 11; Can be with method with respect to the transverse movement of the limited and immovable control vehicle body of vehicle bridge 2 substantially horizontals; Realize that vehicle body 9 is with respect between the vehicle bridge 2 on hollow weight supporting plate 21 and the spring, substantially horizontal is limited not removable, only can prevent the function of inclination along the replacement transverse link that optical axis 1 vibrates down in vertical direction.
Claims (4)
1. implementation method that makes the forced vibration of electric vehicle kinetic energy generating; Comprise adopted on exciting side's spring between the vehicle body and forced vibration side's hollow weight supporting plate through the driving force spur rack with in be with the method for the unidirectional driving force gear of unilateral bearing with the direct unidirectional drive of gear teeth meshing mode; It is characterized in that: on the spring during body vibrations; Utilize spring get on the bus vertically disposed on one's body driving force spur rack with the single effect power mode of gear teeth meshing directly unidirectional instigating be fixedly installed on the hollow weight supporting plate in be with the unidirectional driving force gear of unilateral bearing; Centering bare weight thing supporting plate produces synchronously unidirectional driving force effect in the same way, makes the frequency resonance that the hollow weight supporting plate that has the composite elastic system compeled or effectively vibrates.
2. according to claim 1; A kind of implementation method that makes the forced vibration of electric vehicle kinetic energy generating; Centering bare weight thing supporting plate produces hormetic in the same way synchronously effect; It is characterized in that: through adopting the method for unidirectional driving force gear diameter less than the driver element gear diameter; Make the spring vertically disposed driving force spur rack of getting on the bus to produce unidirectional active force to unidirectional driving force gear on one's body, not only have and make the hollow weight supporting plate occurrence frequency resonance of composite elastic system or the effective unidirectional in the same way synchronously driving force of the Vertical direction of vibration, and have the make central shaft identical and have the unidirectional drive torsion of identical sense of rotation with driver element.
3. according to claim 1; A kind of implementation method that makes the forced vibration of electric vehicle kinetic energy generating; The hollow weight supporting plate that has the composite elastic system; It is characterized in that: bear hollow weight supporting plate gravity and with spring get on the bus as the spring that supports with do not bear hollow weight supporting plate gravity, the centering bare weight thing supporting plate opposite direction pretightening force extension spring of not having a Vertical direction active force under static state constitutes the composite elastic system of hollow weight supporting plate jointly, wherein; The opposite direction pretightening force extension spring of hollow weight supporting plate is that the mode with the elastic potential energy energy that prestores is connected respectively with the supporting frame up and down of vehicle bridge; The active force pulling force of pretightening force extension spring in the same way that superposes of vibration to break hollow weight supporting plate two modes of pretightening force extension spring balances in the other direction up and down, realizes overcoming the effect of generator starting torque resistance.
4. according to claim 1; A kind of implementation method that makes the forced vibration of electric vehicle kinetic energy generating makes the frequency resonance that the hollow weight supporting plate that has the composite elastic system compeled or effectively vibrates, and it is characterized in that: composite elastic system hollow weight supporting plate has the device that can adjust eigentone; Frequency resonance that it is compeled or effectively vibration; Be through having the vibrational excitation of vehicle body on the spring that can adjust the eigentone device equally, realize with the get on the bus method of the unidirectional driving force gear that vertically disposed on one's body spur rack instigates to be provided with on the hollow weight supporting plate synchronously in the same way of spring, wherein; The device that can adjust eigentone is meant by pneumatic spring; Compressed air reservoir, the vibration frequency sensor, electronic controller institute is common to be formed.
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| CN 201210182790 CN102678483A (en) | 2012-06-05 | 2012-06-05 | Method for implementing forced vibration for kinetic energy power generation of electric automobile |
| CN201310216483.4A CN103267000B (en) | 2012-06-05 | 2013-06-03 | A kind of method and apparatus for improving kinetic energy generation of electric automobile efficiency |
| PCT/CN2013/000654 WO2013181927A1 (en) | 2012-06-05 | 2013-06-04 | Method and apparatus for increasing kinetic energy power generation efficiency of automobile |
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| CN 201210182790 CN102678483A (en) | 2012-06-05 | 2012-06-05 | Method for implementing forced vibration for kinetic energy power generation of electric automobile |
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| CN201310216483.4A Active CN103267000B (en) | 2012-06-05 | 2013-06-03 | A kind of method and apparatus for improving kinetic energy generation of electric automobile efficiency |
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| CN103267000A (en) * | 2012-06-05 | 2013-08-28 | 杨亦勇 | Method and device for improving automobile kinetic energy generating efficiency |
| CN105299117A (en) * | 2015-09-29 | 2016-02-03 | 西安交通大学 | Vehicle vibration energy recovery damping device |
| CN106014898A (en) * | 2016-06-29 | 2016-10-12 | 杨亦勇 | Vehicle body vibration restraining method of electric vehicle resonance power generation based on effort wasting lever |
| CN106150942A (en) * | 2015-03-27 | 2016-11-23 | 范斌 | It is applied to the vibration type generating device of vehicle suspension system |
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| CN105971834B (en) * | 2016-06-29 | 2018-07-10 | 杨亦勇 | Electric vehicle resonance generation optimization method and structure based on lever principle |
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| CN102678483A (en) * | 2012-06-05 | 2012-09-19 | 杨亦勇 | Method for implementing forced vibration for kinetic energy power generation of electric automobile |
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- 2012-06-05 CN CN 201210182790 patent/CN102678483A/en active Pending
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- 2013-06-03 CN CN201310216483.4A patent/CN103267000B/en active Active
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| CN103267000A (en) * | 2012-06-05 | 2013-08-28 | 杨亦勇 | Method and device for improving automobile kinetic energy generating efficiency |
| WO2013181927A1 (en) * | 2012-06-05 | 2013-12-12 | Yang Yiyong | Method and apparatus for increasing kinetic energy power generation efficiency of automobile |
| CN106150942A (en) * | 2015-03-27 | 2016-11-23 | 范斌 | It is applied to the vibration type generating device of vehicle suspension system |
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| CN105299117B (en) * | 2015-09-29 | 2017-11-03 | 西安交通大学 | A kind of automobile vibrational energy reclaims damping device |
| CN106014898A (en) * | 2016-06-29 | 2016-10-12 | 杨亦勇 | Vehicle body vibration restraining method of electric vehicle resonance power generation based on effort wasting lever |
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| CN112698202B (en) * | 2020-12-24 | 2022-04-22 | 西安交通大学 | Low-frequency vibration power generation test device and test method based on dielectric elastomer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013181927A1 (en) | 2013-12-12 |
| CN103267000A (en) | 2013-08-28 |
| CN103267000B (en) | 2017-08-25 |
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Application publication date: 20120919 |