CN103075314B - Vibration energy conversion device of vehicle suspension frame - Google Patents
Vibration energy conversion device of vehicle suspension frame Download PDFInfo
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- CN103075314B CN103075314B CN201310014394.1A CN201310014394A CN103075314B CN 103075314 B CN103075314 B CN 103075314B CN 201310014394 A CN201310014394 A CN 201310014394A CN 103075314 B CN103075314 B CN 103075314B
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- tooth bar
- energy conversion
- vibration energy
- conversion device
- small gear
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a vibration energy conversion device of a vehicle suspension frame. The vibration energy conversion device comprises a motion conversion mechanism, a planetary gear speed increaser, an AC (Alternating Current) generator, a rectifier and a storage battery, wherein the motion conversion mechanism comprises two groups of gear rack transmission mechanisms which are arranged in a shell. During a traveling process of a vehicle, a suspension frame is in vertical vibration deformation when being subjected to pavement impact, thus two racks in the motion conversion mechanism which is connected with the suspension frame can do vertical reciprocating motion, one rack can directly drive a small gear to rotate, another rack can drive another small gear through an idle gear, the two small gears drive an output shaft to always rotate in the same direction through a one-way clutch, the rotating speed of the output shaft can be increased through the planetary gear speed increaser, the AC generator can be then driven to generate electric power, the electric power can be used for charging the storage battery after being rectified, and a vibration energy conversion process can be completed. The vibration energy conversion device disclosed by the invention has the characteristics that the structure is simple, the manufacturing cost is low, the energy conversion efficiency is high, and the like.
Description
Technical field
The present invention relates to mechanical energy and electric energy changes device into, particularly a kind of device suspension of motor vehicle vibrational energy being converted to electric energy.
Background technique
As everyone knows, in the process of moving, when running into Uneven road, vehicle body can be impacted motor vehicle, affects the travelling comfort of vehicle ride.For this reason, generally adopt spring and vibration damper cushion this impact and decay at present on the suspension of vehicle, the mechanical energy that suspension vibration produces changes into thermal dissipation in an atmosphere by vibration damper.
Along with the growing tension of non-renewable energy resources and the application of new energy not yet universal, the fuel economy how improving existing vehicle receives the concern of people always.If can utilize specific device that the suspension vibration transformation of energy that vehicle produces because of road shocks is become electric energy, with the consumption of its supplementary vehicle mounted electrical apparatus electric energy, will be favourable to the fuel economy of raising vehicle.
Just based on this consideration, there is multiple vibration energy conversion device of vehicle suspension frame at present.
Application number be 88100094.9 Chinese patent application disclose and a kind of adopt lever, tooth bar and ratchet to be pumped by suspension to change rotation into, the suspension vibration energy conversion device of transformation of energy is carried out again by accumulator and overdrive gear group drive electrical generators, this device can only at suspension by the dynamic output of compression stroke, namely the energy of suspension unidirectional motion can only be changed, energy conversion rate is low; In addition, this device does not consider the impact on vehicle riding comfort.
Application number be 201110335346.3 Chinese patent application disclose a kind of suspension link arm that adopts and converted moving up and down of suspension the energy conversion device of rotational movement electrical power generators to by overrunning clutch.This device can only change the energy of suspension unidirectional motion up or down equally.
Application number be 201010142657.3 Chinese patent application disclose a kind of automobile energy renewable vibration vibration damping equipment, this device converts rotation to by the to-and-fro motion of upper and lower clutch release slave cylinder and ball screw adjutant suspension, exported the rotary motion into single direction by double clutch and gear train assembly again, driven resilience electric power generation.The shortcoming of this device is complex structure, and manufacture cost is high, and riding comfort when not considering suspension dither.
Application number be 200410013577.2 Chinese patent application disclose a kind of linear electric generator that adopts Vibration of Vehicle Suspensions mechanical energy become the device of electric energy.There is complex structure in this device, problem that manufacture cost is high equally.
Make a general survey of existing multiple suspension energy conversion equipment, or because of its complex structure, or because of its manufacture cost high, or because which reducing the travelling comfort taken, make its majority fail to obtain practical application.
Summary of the invention
The defect that the object of the invention is to exist for above-mentioned prior art provides that a kind of structure is simple, highly versatile, cost are low, energy conversion rate is high and do not reduce the vibration energy conversion device of vehicle suspension frame of riding comfort, creates conditions for recycling Vibration of Vehicle Suspensions energy.
For achieving the above object, vibration energy conversion device of vehicle suspension frame provided by the invention, the storage battery comprising motion changing mechanism, the planet gear speed increaser connected with motion changing mechanism, the alternator connected with planet gear speed increaser, the rectifier connected with alternator and connect with rectifier; Described motion changing mechanism comprises installation two groups of rack and pinion drive mechanisms in the housing, wherein the tooth bar A of one group of rack and pinion drive mechanism drives the small gear A engaged with it, the idle pulley driving pinion B of tooth bar B by engaging with it of another group rack and pinion drive mechanism, small gear A and small gear B are respectively by the identical overrunning clutch A of structure and overrunning clutch B driver output axle; Output shaft connects with described planet gear speed increaser; Tooth bar A is identical with tooth bar B parameter, and its lower end connects with push rod, and push rod connects with nonspring carried mass.
Described tooth bar A and tooth bar B takes middle dredging, the change tooth pitch design that two is close.
The number of teeth of described small gear A is greater than the number of teeth of small gear B.
Described push rod is connected with described nonspring carried mass by damping spring.
The rear end of described output shaft is provided with flywheel energy storage device.
Described overrunning clutch A and overrunning clutch B is roller-type one way clutch.
Replace the original vibration damper of vehicle by vibration energy conversion device of vehicle suspension frame of the present invention, its beneficial effect is:
1, the vibration of suspension both direction up and down can be become the equidirectional rotation of output shaft by group rack and pinion drive mechanism of two in device motion changing mechanism, utilize planet gear speed increaser and alternator that the up-down vibration energy of suspension is all changed into electric energy, energy transformation ratio is high.
2, the number of teeth designing, add between push rod and nonspring carried mass damping spring and small gear A by dredging the close change tooth pitch in two in the middle of tooth bar is greater than the technical measures such as the number of teeth of small gear B makes the riding comfort of the vehicle of installation apparatus of the present invention be improved.
3, apparatus of the present invention structure is simple, and except rack and-pinion mechanism, other parts all can adopt commercial standard part, low cost of manufacture, is applicable to various vehicle and uses.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of vibration energy conversion device of vehicle suspension frame of the present invention;
Fig. 2 is the structural representation of motion changing mechanism in Fig. 1;
Fig. 3 is the schematic diagram of left part rack and pinion drive mechanism in Fig. 2;
Fig. 4 is the structural representation of right part rack and pinion drive mechanism and overrunning clutch in Fig. 2.
In figure: 1-road surface, 2-wheel, 3-nonspring carried mass, 4-bearing spring, 5-motion changing mechanism, 6-vehicle body, 7-planet gear speed increaser, 8-alternator, 9-rectifier, 10-storage battery, 21-housing, 22-output shaft.23-push rod, 24-tooth bar A, 25-small gear A, 26-tooth bar B, 27-small gear B, 28-idle pulley, 29-flywheel energy storage device, 30-overrunning clutch B, 31-overrunning clutch A, 32-damping spring, 41-outer race, 42-roller, 43-spring, 44-hydraulic steering gear adopting cross piece.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Composition graphs 1 and Fig. 2, the present embodiment vibration energy conversion device of vehicle suspension frame, its motion changing mechanism 5 is arranged on the position (install apparatus of the present invention rear vehicle and no longer will need vibration damper) of existing passive spring suspension vehicle vibration damper by outside upper and lower two mounting holes of housing 21.The bottom of motion changing mechanism 5 is connected with nonspring carried mass 3 by push rod 23 and damping spring 32, sidepiece is connected with planet gear speed increaser 7 by output shaft 22, planet gear speed increaser 7 connects with alternator 8, and alternator 8 is connected with storage battery 10 by rectifier 9.
Composition graphs 2, Fig. 3 and Fig. 4, two groups of rack and pinion drive mechanisms are installed in the housing 21 of described motion changing mechanism 5, the tooth bar A24 being wherein arranged in the one group of rack and pinion drive mechanism in Fig. 2 the right drives the small gear A25 engaged with it, the idle pulley 28 driving pinion B27 of tooth bar B26 by engaging with it of the one group of rack and pinion drive mechanism in the left side; Tooth bar A24 is identical with tooth bar B26 parameter, and takes middle dredging, and the close change tooth pitch design in two (gear and tooth bar adopt helical tooth), realizes variable ratio; The number of teeth of small gear A25 is greater than the number of teeth of small gear B27; Small gear A25 and small gear B27 are respectively by the identical roller-type one way clutch A31 of structure and overrunning clutch B30 driver output axle 22 (as shown in Figure 4); Output shaft 22 front end connects with described planet gear speed increaser 7, and rear end is provided with flywheel energy storage device 29; Lower end and the push rod 23 of tooth bar A24 and tooth bar B26 are rigidly connected; Push rod 23 is connected with nonspring carried mass 3 by damping spring 32.
The working principle of the present embodiment energy conversion device is:
In vehicle travel process, uneven road surface 1 produces and is delivered to bearing spring 4 and motion changing mechanism 5 to the impact of wheel 2 through nonspring carried mass 3, is then delivered to vehicle body 6.Tooth bar A24 in motion changing mechanism 5 and tooth bar B26 pumps under the push rod 23 pumped drives.
When suspension is compressed, first compress damping spring 32, then promote connected push rod 23, push rod 23 promotes tooth bar A24 and tooth bar B26 moves upward.The tooth bar A24 upwards run drives small gear A25 to rotate clockwise, also rotate clockwise with the outer race 41 of the rigidly connected overrunning clutch A31 of small gear A25, under the effect of spring 43, roller 42 is pushed to the narrow limit of the wedge slot of outer race 41 and hydraulic steering gear adopting cross piece 44 composition, drives hydraulic steering gear adopting cross piece 44 to rotate clockwise.Power is passed to output shaft 22 and is rotated clockwise by hydraulic steering gear adopting cross piece 44.
When suspension is stretched, push rod 23 drags tooth bar and moves downward, the tooth bar A24 of downward operation drives small gear A25 to rotate counterclockwise, also rotate counterclockwise with the outer race 41 of the rigidly connected overrunning clutch A31 of small gear A25, under the effect of outer race 41, roller 42 is pushed to the broadside of the wedge slot of outer race 41 and hydraulic steering gear adopting cross piece 44 composition, thus overrunning clutch A31 is separated, not transferring power.
In like manner, when suspension is compressed, the tooth bar B26 upwards run is rotated counterclockwise by idle pulley 28 driving pinion B27, and at this moment overrunning clutch B30 is separated; When suspension is stretched, the tooth bar B26 run downwards is rotated clockwise by idle pulley 28 driving pinion B27, and at this moment overrunning clutch B30 engages, and drives output shaft 22 to rotate clockwise.
Like this, no matter suspension is in compression or stretching travel, and output shaft 22 rotates clockwise all the time.Rotating speed improves through planet gear speed increaser 7 by the rotation of output shaft 22, and band motor alternator 8 generates electricity, and charges after rectifier 9 rectification to storage battery 10.
The change tooth pitch design thin in the middle of tooth bar A24 and tooth bar B26 adopts, two is close, can improve the travelling comfort taken.
The number of teeth of small gear A25 is greater than the number of teeth of small gear B27, and the damping constant of stretching travel can be made to be greater than the damping constant of compression stroke, to provide good riding comfort and manipulation stability.
The below of motion changing mechanism 5 is connected with nonspring carried mass 3 by damping spring 32, based on compared with traditional vibration damper, in this energy conversion device, the rotary inertia of transmission system will make the damping of suspension hardening, reduce the riding comfort of vehicle, this adverse effect can be reduced as far as possible by installing damping spring 32 in the below of motion changing mechanism.
At output shaft 22 rear end Flywheel accumulator 29, the effect reducing generator speed fluctuation in suspension traffic direction change process can be played.
Overrunning clutch A31 and overrunning clutch B30 adopts the roller-type one way clutch of small volume can reduce the volume of motion changing mechanism 5.
Claims (6)
1. a vibration energy conversion device of vehicle suspension frame, the storage battery (10) comprising motion changing mechanism (5), the planet gear speed increaser (7) connected with motion changing mechanism (5), the alternator (8) connected with planet gear speed increaser (7), the rectifier (9) connected with alternator (8) and connect with rectifier (9); It is characterized in that: described motion changing mechanism (5) comprises the two groups of rack and pinion drive mechanisms be arranged in housing (21), wherein the tooth bar A (24) of one group of rack and pinion drive mechanism drives the small gear A (25) engaged with it, idle pulley (28) the driving pinion B (27) of tooth bar B (26) by engaging with it of another group rack and pinion drive mechanism, small gear A (25) and small gear B (27) are respectively by the identical overrunning clutch A (31) of structure and overrunning clutch B (30) driver output axle (22); Output shaft (22) connects with described planet gear speed increaser (7); Tooth bar A (24) is identical with tooth bar B (26) parameter, and its lower end connects with push rod (23), and push rod (23) connects with nonspring carried mass (3);
In vehicle travel process, uneven road surface (1) produces and is delivered to bearing spring (4) and motion changing mechanism (5) to the impact of wheel (2) through nonspring carried mass (3), is then delivered to vehicle body (6); Tooth bar A (24) in motion changing mechanism (5) and tooth bar B (26) pumps under the push rod pumped (23) drives;
When suspension is compressed, first compress damping spring (32), then promote connected push rod (23), push rod (23) promotes tooth bar A (24) and tooth bar B (26) moves upward; The tooth bar A (24) upwards run drives small gear A (25) to rotate clockwise, also rotate clockwise with the outer race (41) of the rigidly connected overrunning clutch A (31) of small gear A (25), under the effect of spring (43), roller (42) is pushed to the narrow limit of the wedge slot that outer race (41) and hydraulic steering gear adopting cross piece (44) form, and drives hydraulic steering gear adopting cross piece (44) to rotate clockwise; Power is passed to output shaft (22) and is rotated clockwise by hydraulic steering gear adopting cross piece (44);
When suspension is stretched, push rod (23) drags tooth bar and moves downward, the tooth bar A (24) of downward operation drives small gear A (25) to rotate counterclockwise, also rotate counterclockwise with the outer race (41) of the rigidly connected overrunning clutch A (31) of small gear A (25), under the effect of outer race (41), roller (42) is pushed to the broadside of the wedge slot that outer race (41) and hydraulic steering gear adopting cross piece (44) form, thus overrunning clutch A (31) is separated, not transferring power;
When suspension is compressed, the tooth bar B (26) upwards run is rotated counterclockwise by idle pulley (28) driving pinion B (27), and at this moment overrunning clutch B (30) is separated; When suspension is stretched, the tooth bar B (26) of downward operation is rotated clockwise by idle pulley (28) driving pinion B (27), at this moment overrunning clutch B (30) engagement, drives output shaft (22) to rotate clockwise;
Like this, no matter suspension is in compression or stretching travel, and output shaft (22) rotates clockwise all the time.
2. vibration energy conversion device of vehicle suspension frame according to claim 1, is characterized in that: described tooth bar A (24) and tooth bar B (26) take middle dredging, the change tooth pitch design that two is close.
3. vibration energy conversion device of vehicle suspension frame according to claim 1, is characterized in that: the number of teeth of described small gear A (25) is greater than the number of teeth of small gear B (27).
4. vibration energy conversion device of vehicle suspension frame according to claim 1, is characterized in that: described push rod (23) is connected with described nonspring carried mass (3) by damping spring (32).
5. vibration energy conversion device of vehicle suspension frame according to claim 1, is characterized in that: the rear end of described output shaft (22) is provided with flywheel energy storage device (29).
6. vibration energy conversion device of vehicle suspension frame according to claim 1, is characterized in that: described overrunning clutch A (31) and overrunning clutch B (30) are roller-type one way clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014394.1A CN103075314B (en) | 2013-01-16 | 2013-01-16 | Vibration energy conversion device of vehicle suspension frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310014394.1A CN103075314B (en) | 2013-01-16 | 2013-01-16 | Vibration energy conversion device of vehicle suspension frame |
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| CN103075314A CN103075314A (en) | 2013-05-01 |
| CN103075314B true CN103075314B (en) | 2015-04-22 |
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| CN201310014394.1A Expired - Fee Related CN103075314B (en) | 2013-01-16 | 2013-01-16 | Vibration energy conversion device of vehicle suspension frame |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103738179B (en) * | 2013-12-23 | 2016-05-04 | 东北大学 | A kind of Vibration of Vehicle Suspensions energy recycle device |
| CN105156298A (en) * | 2015-06-19 | 2015-12-16 | 安徽瑞田机械有限公司 | Low-energy-consumption environment-friendly air compressor |
| CN105298777A (en) * | 2015-10-12 | 2016-02-03 | 北京理工大学 | Motor energy-reclaiming and vibration-attenuation system |
| CN106314144A (en) * | 2016-09-28 | 2017-01-11 | 泸州职业技术学院 | Automobile vibration energy recovery device |
| CN106515343A (en) * | 2016-12-30 | 2017-03-22 | 北京汽车研究总院有限公司 | Vehicle suspension system and vehicle |
| CN107323196B (en) * | 2017-08-17 | 2023-08-18 | 江苏晨发精密汽车零部件有限公司 | Vibration power generation type automobile suspension |
| CN107401112A (en) * | 2017-09-07 | 2017-11-28 | 湖南科技大学 | A kind of electromagnetic rotating inertia mass damper |
| CN108061121A (en) * | 2018-01-08 | 2018-05-22 | 华中科技大学 | A kind of tuning inertia mass electromagnetic damper |
| CN108462356A (en) * | 2018-03-09 | 2018-08-28 | 杭州六创电动汽车科技有限公司 | A kind of hydraulic vibration damper used for vehicle energy collecting device |
| CN108248381A (en) * | 2018-03-09 | 2018-07-06 | 杭州六创电动汽车科技有限公司 | A kind of automotive suspension energy collecting device |
| CN111204214A (en) * | 2020-01-06 | 2020-05-29 | 李春芳 | Energy absorbing and releasing device for motor vehicle |
| CN112039367B (en) * | 2020-03-29 | 2021-06-29 | 合肥工业大学 | Four-quadrant energy feedback device |
| CN111794926A (en) * | 2020-06-30 | 2020-10-20 | 同济大学 | Energy recovery device and method based on rail vehicle vertical vibration excitation |
| CN113323831B (en) * | 2021-05-31 | 2023-04-21 | 金陵科技学院 | Comprehensive energy recovery and storage device for electric vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040027580A (en) * | 2004-02-13 | 2004-04-01 | 임승혁 | Stamp-type private electric generator |
| CN2912078Y (en) * | 2006-06-03 | 2007-06-13 | 杨森 | Portable self-generating power source |
| JP2009162209A (en) * | 2008-01-07 | 2009-07-23 | Koichi Asakawa | Twin rachet engine |
| CN203051013U (en) * | 2013-01-16 | 2013-07-10 | 东北大学 | Vehicle suspension vibration energy conversion device |
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