CN209144696U - A kind of road electricity generation system based on piezoelectric effect - Google Patents
A kind of road electricity generation system based on piezoelectric effect Download PDFInfo
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- CN209144696U CN209144696U CN201821268694.7U CN201821268694U CN209144696U CN 209144696 U CN209144696 U CN 209144696U CN 201821268694 U CN201821268694 U CN 201821268694U CN 209144696 U CN209144696 U CN 209144696U
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- cavity
- deceleration strip
- compression bar
- generation system
- electricity generation
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- 230000005611 electricity Effects 0.000 title claims abstract description 29
- 230000000694 effects Effects 0.000 title claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 54
- 238000007906 compression Methods 0.000 claims abstract description 54
- 238000010248 power generation Methods 0.000 claims abstract description 5
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The road electricity generation system based on piezoelectric effect that the utility model discloses a kind of, the road electricity generation system have deceleration strip, compression bar electricity generation system.Compression bar electricity generation system has compression bar, pressing plate and piezo-electric generating plate.Deceleration strip has the first cavity and the second cavity.The first part of compression bar is located in the first cavity, the second part of compression bar extends the second cavity from first part and is higher than deceleration strip main body, is provided with roller on the side that the size of compression bar first part is greater than second part and first part is opposite with the vertical wall of the first cavity.Compression bar is oppressed in vehicle driving, compression bar band dynamic pressure plate squeezes the power generation of piezo-electric generating plate.By above structure, can make full use of vehicle by when energy, improve generating efficiency, reduce the probability of deceleration strip main body damage.
Description
Technical field
The utility model relates to a kind of electricity generation system more particularly to a kind of deceleration strip type road power generations using piezoelectric effect
System.
Background technique
Common electricity generation system, usually coil cutting magnetic line need to impose power to coil, could turn mechanical energy
Become electric energy, this electricity generation system application is restricted.Increasingly wider with piezoelectric material application, occurring both at home and abroad will
Occasion of the piezoelectric material for power generation, such as in utility model patent (CN206211878U), piezoelectric material is applied to subtract
Pressure transition of the automobile to deceleration strip is the vibration of piezoelectric vibrator, to collect energy when automobile passes through deceleration strip by speed belt
Amount.Application for a patent for invention (CN106100441A) also uses similar principle, when on running car to deceleration strip, applies pressure
In power to the overarm arm for posting piezoelectric material, by the deformation of overarm arm so that piezoelectric material deformation power generation, but this structure
Deceleration strip need to impact bridge 3 and be easily deformed, such deceleration strip cannot effectively play its purpose slowed down originally, and
Since amplitude has positive and negative in vibration processes, efficiency is lower, needs more complicated processing circuit.In application for a patent for invention
(CN104638976A) in, the circular arc footstock of Automobile wheel load deceleration strip, circular arc footstock will drive transmission mechanism and squeeze piezoresistive material
Expect and generates electricity.The deceleration strip of this structure is broken in the edge that deceleration strip main body 2A accommodates circular arc footstock due to stress
Damage, leads to system failure.
Utility model content
The purpose of this utility model be in order to propose a kind of road electricity generation system, solve it is above-mentioned it is existing in the prior art such as
The technical issues of generating efficiency is low, deceleration strip body rim cracky.
The utility model provides a kind of road electricity generation system based on piezoelectric effect, generates electricity with deceleration strip, compression bar
System；The deceleration strip has the deceleration strip main body extended along its length and the alar part each extended over from main body two sides, institute
Alar part is stated for deceleration strip to be fixed to road；The compression bar electricity generation system includes the compression bar set gradually from top to bottom, pressure
Plate and piezo-electric generating plate；The deceleration strip main body has the first cavity and the second cavity；First cavity is located remotely from deceleration strip master
The side of body upper end, and run through the lower end that deceleration strip main body is located at ground；Second cavity is located above the first cavity and runs through
Deceleration strip main body upper end and the first cavity is in communication with the outside；Second vertical wall of deceleration strip body interior defines second
Cavity, the first vertical wall of the first vertical wall and connection of deceleration strip body interior, the first inclined wall of the second vertical wall define
First cavity；Compression bar has first part and second part；The size of first part is at least big in deceleration strip body width direction
In the size of second part；First part tilts down outward from second and has extended to form one second inclined wall, the second inclination
Wall is opposite with the first inclined wall；First part is contained in the first cavity, and second part extends from first part in a free state
Through the second cavity；Roller is provided on the side wall below the second inclined wall in first part.
It is specific:
The technical solution adopted in the utility model is that roller is arranged in the first part of plunger body, first of compression bar
Partial volume is contained in the cavity of deceleration strip main body.
The second part of compression bar extends the cavity of deceleration strip from first part, and is exposed to outside deceleration strip main body.Compression bar
Second part be higher than deceleration strip main body.
The wall corresponding with roller of the preferably deceleration strip main body of roller or receiving roller is made of elastic material.
The first part lower end of compression bar is connected with a pressing plate, and under the action of compression bar, pressing plate can apply to piezoelectric material is pressed
Power.
Preferably, the first part of compression bar is connected with pressing plate using the articulated manner of such as spherojoint form.Pressing plate is extremely
Few part is not overlapped with piezoelectric material, and the free end of spring abuts pressing plate lower end, and the other end abuts the receiving for accommodating piezoelectric material
The bottom surface in portion.
Alternatively, multiple springs are arranged between the bottom surface of piezoelectric material and the surface of receiving portion.
The utility model can guarantee the not easily damaged of deceleration strip while increasing energy conversion efficiency.
Detailed description of the invention
Fig. 1 is vehicle ground force schematic diagram suffered by driving wheel and driven wheel in the process of moving；It is master/slave for convenience of signal
Driving wheel and ground separation show (really principal and subordinate wheel carries on the ground)；
Fig. 2 is traditional deceleration strip schematic diagram；
Fig. 3 is the side view of the utility model deceleration strip；
Description of symbols: 1. compression bars；11. elastomer；12. protruding portion；13. second part；14. first part；15. the
Two inclined walls；16. roller；17. spherojoint；18 pressing plates；19 springs；2. deceleration strip；2A. deceleration strip main body；2B alar part 2B； 21.
Second vertical wall；22 first vertical walls；23. the first inclined wall；3. piezo-electric generating plate；41. the first cavity；42. the second cavity；
43. piezo-electric generating plate receiving portion.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, in vehicle traveling process, between wheel and road surface there are frictional force, on driving wheel and driven wheel
Driving force direction it is different.The power of engine driving driving wheel rotation is the internal force of vehicle, and driving wheel is dynamic for main turn, tool
There is the movement tendency backward relative to ground, is forward, i.e. active according to the frictional force that tribology principle driving wheel is subject to
Forward, i.e., towards the direction of vehicle driving, which is to drive the external force of vehicle driving to the frictional force F1 on the ground that wheel is subject to.
Corresponding driving wheel is applied to the directed force F 1 ' on ground backward.And driven wheel is follower, is had relative to ground forward
Movement tendency, therefore the frictional force F2 on its ground being subject to is that backward, frictional force F2, which generates one to driven wheel, makes its rotation
Couple to driven wheel and driving wheel holding driving direction it is identical.Correspondingly, driven wheel is applied to the reaction force F2 ' on ground
Forward.As it can be seen that deceleration strip can also bear wheel application other than bearing the pressure of vehicle when vehicle driving crosses deceleration strip
Approximate horizontal frictional force F1 '/F2 '.During actual travel, the driving condition of wheel is different, driving wheel friction
Direction will be different.
Fig. 2 is deceleration strip partial schematic diagram in the prior art.It is assumed that driving wheel is front-wheel, driven wheel is rear-wheel.Work as master
When driven wheel is driven on deceleration strip, due to the effect for the approximate horizontal frictional force F1 ' backward that wheel applies, footstock can be backward
Squeeze the upper back vulnerable area of deceleration strip main body 2A；When driven wheel crosses, due to wheel apply it is approximate horizontal forward
The effect of frictional force F2 ', it is larger that the top vulnerable area that footstock can squeeze forward deceleration strip main body bears the vulnerable area
Pulsating stress.The circulation of this power easily causes the fatigue damage of deceleration strip.
With reference to Fig. 3, the deceleration strip type road electricity generation system of the utility model has a deceleration strip 2, compression bar electricity generation system.Subtract
Speed belt 2 has the deceleration strip main body 2A extended along its length and the alar part each extended over from main body two sides, preferred to slow down
With the coupling part smooth transition between main body 2A and alar part or have no apparent region division.The length direction is usually vertical
In track direction, which should have suitable height to provide the sense of jolting when vehicle crosses；On alar part
With several equally distributed holes, deceleration strip 2 is fixed on road surface.
1 electricity generation system of compression bar has a compression bar 1, pressing plate 18 and piezo-electric generating plate 3.The bottom end of compression bar 1 is connected with a pressing plate
18, pressing plate 18 is located at 3 top of piezo-electric generating plate, and in a free state, pressing plate 18 is located at 3 top of piezo-electric generating plate, and pressing plate 18 can
To be kept in contact with piezo-electric generating plate 3, a minim gap can also be kept with piezo-electric generating plate 3.Pressing plate 18 and piezo-electric generating plate 3
Preferably therebetween without pressure when contact.It the bottom end of compression bar 1 can be hinged with pressing plate 18, it is preferred that compression bar 1 and pressing plate 18
It is pivotable hinged using spherojoint 17, in this way, when horizontal hunting is occurred by frictional force above compression bar 1, compression bar 1
Ball between pressing plate 18 contacts the displacement that can be adapted to 1 bottom end of compression bar and still maintains face contact, in this way in compression bar 1 by vehicle weight
The masterpiece used time, compression bar 1 remains to uniformly pressure is applied on pressing plate 18, to squeeze piezo-electric generating plate 3.
There is cavity, the cavity has the first cavity 41 and the second cavity 42 in deceleration strip main body 2A.First cavity 41
It is located remotely from the side of the upper end deceleration strip main body 2A, and is located at the lower end on ground through deceleration strip main body 2A.Second cavity 42
Above the first cavity 41 and through the upper end deceleration strip main body 2A and by the first cavity 41 by the second cavity 42 and outside
Boundary's connection.The size of first cavity 41 is at least in deceleration strip main body 2A width direction (i.e. vehicle heading or lane extension side
To) it is greater than the second cavity 42.The second vertical wall 21 inside deceleration strip main body 2A defines the second cavity 42, deceleration strip main body
First inclined wall 23 of the first vertical wall 22 of the first vertical wall 22 and connection, the second vertical wall 21 inside 2A defines first
Cavity 41.
Compression bar 1 has first part and first part 1413.The size of first part is at least in deceleration strip main body 2A width
Direction (i.e. vehicle heading or lane extending direction) or the size for being all greater than first part 1413.First part is from
A part 1413 tilts down extend to form one second inclined wall 15 outward, and the second inclined wall 15 and the first inclined wall 23 have greatly
Cause identical slope.It is fluted in the vertical portion setting of first part, roller 16, the axis of roller 16 are provided in groove
It is parallel to the direction deceleration strip main body 2A, the outermost of roller 16 will protrude the surface of first part.The front-rear direction of first part
It is provided with roller 16.It can also be not provided with groove, and from the prominent mounting portion of the vertical portion of first part, roller 16 is installed
It is enabled to by the first inclined wall 23 of setting, the second inclined wall 15 in the case where vehicle weight acts on, the second inclined wall 15 can support
First inclined wall 23 reduces the deformation of the first inclined wall 23.The roller 16 and first vertical wall corresponding with roller 16
One of 22 uses include resilient material.
In a free state, the second part 13 of compression bar 1 extends through the second cavity 42 from first part 14, and compression bar 1 is high
In the upper surface of deceleration strip main body 2A.First part 13 has a protruding portion 12, sheet of the protruding portion 12 from first part 13
Body extends outwardly, so that at least in the size that part will be more than first part 13, and exist more than the opening of the second cavity 42
Size on the direction of above-mentioned extension.The lower surface of the protruding portion 12 is slightly above the upper surface of deceleration strip main body 2A.Protruding portion
12 can limit the stroke of compression bar 1, and 1 stroke of compression bar is avoided to cross macrolesion piezo-electric generating plate 3.Compression bar 1 can be under vehicle weight effect
It stretches in cavity.The size for the part that the second part 13 of compression bar 1 stretches in the second cavity 42 is less than the second cavity 42
Size.Preferably, elastomer is set between the outer wall of 1 second part 13 of the second vertical wall 21 of the second cavity 42 and compression bar
11, such as elastic rubber, spring etc., the offset generated when frictional force acts on protruding portion 12 is absorbed with elasticity.Since compression bar 1 exists
It stretches in second cavity 42, if one end of spring can pressed by sleeve or set ring set using compressible and elongation spring
On bar 1, it can also be affixed directly on compression bar, spring can also be used as reset spring at this time.
The first part 14 of compression bar passes through spherojoint 17 and the pivotable connection of pressing plate 18.The size of pressing plate 18 be greater than or
Person is at least in the size for being locally greater than piezo-electric generating plate 3.Pressing plate 18 have under 1 compressive state of compression bar with 3 weight of piezo-electric generating plate
The part of conjunction and non-intersection.The part not being overlapped has spring base, and spring base can be to be recessed on pressing plate 18
Slot is also possible to the circular ring type bulge loop outstanding for forming groove from pressing plate 18.The deceleration strip type road electricity generation system also has
There is a piezo-electric generating plate receiving portion 43.Piezo-electric generating plate 3 is between receiving portion 43 and pressing plate 18.Spring 19 is located at piezoelectricity hair
The two sides of battery plate 3 or surrounding, both ends abut pressing plate 18 with receiving portion 43.Receiving portion 43 can be removes part material on ground downwards
Material is formed, and is also possible to be formed in the portion deceleration strip main body 2A.
Preferably, also there is metal supporting frames, first vertical wall 22, first of the support frame as described above along first cavity 41
Inclined wall 23 is provided with vertical gripper shoe and inclined support panel, and has a vertical pole, is arranged at left and right sides of compression bar 1 simultaneously
It is supported between 43 bottom surface of inclined support panel and described accommodation section.
By using above structure, when wheels travel is to deceleration strip, under the frictional force and gravity that wheel applies,
Compression bar 1 can move down, and the trend of oriented front/rear swing.By the elastomer 11 and roller 16 of setting, can be elastic
This offset is offset, and compression bar 1 can also be adapted to this offset with the connection type of the spherojoint 17 of pressing plate 18, consumption is arrived
The power of deceleration strip main body.
The above specific embodiment only schematically illustrates the content of the present invention, does not represent the content of the present invention
Limitation.It may occur to persons skilled in the art that be that specific structure can have other versions in the utility model.
Claims (8)
1. a kind of road electricity generation system based on piezoelectric effect, with deceleration strip, compression bar electricity generation system；The deceleration strip has
The deceleration strip main body extended along its length and the alar part each extended over from main body two sides, the alar part is for consolidating deceleration strip
Determine onto road；The compression bar electricity generation system includes the compression bar set gradually from top to bottom, pressing plate and piezo-electric generating plate；Its feature
Be: the deceleration strip main body has the first cavity and the second cavity；First cavity is located remotely from deceleration strip main body upper end
Side, and run through the lower end that deceleration strip main body is located at ground；Second cavity is located above the first cavity and through deceleration strip main body
Upper end and the first cavity is in communication with the outside；Second vertical wall of deceleration strip body interior defines the second cavity, slows down
First inclined wall of the first vertical wall with body interior and the first vertical wall of connection, the second vertical wall defines the first cavity；
Compression bar has first part and second part；The size of first part is at least greater than second part in deceleration strip body width direction
Size；First part tilts down outward from second and has extended to form one second inclined wall, and the second inclined wall inclines with first
Skew wall is opposite；First part is contained in the first cavity, and second part extends through the second sky from first part in a free state
Chamber；Roller is provided on the side wall below the second inclined wall in first part.
2. road electricity generation system according to claim 1, it is characterised in that: compression bar and pressing plate are by the way of hinged.
3. road electricity generation system according to claim 1 or 2, it is characterised in that: the size of the second cavity is greater than compression bar portion
Divide the size of the telescopic section in the cavity.
4. road electricity generation system according to claim 3, it is characterised in that: in the second vertical wall and compression bar of the second cavity
Elastomer is set between the outer wall of second part.
5. road electricity generation system according to claim 3, it is characterised in that: the road electricity generation system further includes piezoelectricity hair
Battery plate receiving portion, piezo-electric generating plate receiving portion are located at below the first cavity；Piezo-electric generating plate be located at described accommodation section and pressing plate it
Between.
6. road electricity generation system according to claim 5, it is characterised in that: pressing plate have under compression bar compressive state with pressure
The part and non-intersection that electric power generation plate is overlapped, the part not being overlapped have a spring base, both ends of the spring abutting pressing plate with
Described accommodation section.
7. road electricity generation system according to claim 1, it is characterised in that: the second part has a protruding portion, institute
Protruding portion is stated to extend outwardly from the top of second part, so as to be locally more than at least the other parts size of second part,
And more than the size on the direction of above-mentioned extension of the opening of the second cavity, the lower surface of the protruding portion is higher than deceleration strip
The upper end of main body.
8. road electricity generation system according to claim 1, it is characterised in that: also have metal supporting frames, support frame as described above
It is arranged along the first vertical wall of first cavity, the first inclined wall, and there is a vertical pole, is arranged in compression bar or so two
Side bearing is between the first inclined wall and described accommodation section bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268694.7U CN209144696U (en) | 2018-08-08 | 2018-08-08 | A kind of road electricity generation system based on piezoelectric effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268694.7U CN209144696U (en) | 2018-08-08 | 2018-08-08 | A kind of road electricity generation system based on piezoelectric effect |
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| Publication Number | Publication Date |
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| CN209144696U true CN209144696U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821268694.7U Expired - Fee Related CN209144696U (en) | 2018-08-08 | 2018-08-08 | A kind of road electricity generation system based on piezoelectric effect |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914799A (en) * | 2018-08-08 | 2018-11-30 | 中智国联(深圳)科技有限公司 | A kind of road electricity generation system based on piezoelectric effect |
| CN110677005A (en) * | 2019-10-17 | 2020-01-10 | 上海工艺美术职业学院 | Energy conversion device and energy conversion system |
| CN111146972A (en) * | 2019-12-30 | 2020-05-12 | 浙江大学 | Road energy capture device based on origami rebound mechanism |
| CN112468019A (en) * | 2020-11-19 | 2021-03-09 | 南通大学 | Road surface impact energy harvesting device and calculation method |
-
2018
- 2018-08-08 CN CN201821268694.7U patent/CN209144696U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914799A (en) * | 2018-08-08 | 2018-11-30 | 中智国联(深圳)科技有限公司 | A kind of road electricity generation system based on piezoelectric effect |
| CN108914799B (en) * | 2018-08-08 | 2024-01-23 | 北京中微融通科技有限公司 | A road power generation system based on piezoelectric effect |
| CN110677005A (en) * | 2019-10-17 | 2020-01-10 | 上海工艺美术职业学院 | Energy conversion device and energy conversion system |
| CN111146972A (en) * | 2019-12-30 | 2020-05-12 | 浙江大学 | Road energy capture device based on origami rebound mechanism |
| CN112468019A (en) * | 2020-11-19 | 2021-03-09 | 南通大学 | Road surface impact energy harvesting device and calculation method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20210808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |