CN112107076B - Multifunctional piezoelectric power generation shoe - Google Patents
Multifunctional piezoelectric power generation shoe Download PDFInfo
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- CN112107076B CN112107076B CN202010851851.2A CN202010851851A CN112107076B CN 112107076 B CN112107076 B CN 112107076B CN 202010851851 A CN202010851851 A CN 202010851851A CN 112107076 B CN112107076 B CN 112107076B
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- 238000010248 power generation Methods 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 54
- 238000010168 coupling process Methods 0.000 claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims description 98
- 230000005489 elastic deformation Effects 0.000 claims description 12
- 230000005284 excitation Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
- A43B3/38—Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
- A43B3/36—Footwear characterised by the shape or the use with electrical or electronic arrangements with light sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/181—Circuits; Control arrangements or methods
Abstract
The invention discloses a pair of multifunctional piezoelectric power generation shoes, belongs to the technical field of piezoelectric power generation shoes, and solves the problem that the conventional piezoelectric power generation shoes are low in power generation efficiency. The utility model provides a multi-functional piezoelectricity electricity generation shoes, including foot fixing device, the sole board, pass power portion, piezoelectricity portion, circuit board and sole shell, foot fixing device includes sole board splicing hole, foot fixing device links up with the sole board through sole board splicing hole, it passes power portion circular arc section elastic plate tip notch and piezoelectricity portion fixed plate notch to have seted up on the sole board, it includes circular arc section elastic plate and biography power swash plate to pass power portion, circular arc section elastic plate one end is fixed in the sole board notch, the other end is connected with biography power swash plate one end, it is articulated with piezoelectricity portion application of force board free end to pass the power swash plate other end, piezoelectricity portion fixed plate is fixed in the sole board notch, piezoelectricity portion is including the application of force board, piezoelectricity coupling plate and fixed plate, piezoelectricity coupling plate upper and lower surface piezoelectricity piece. The multifunctional piezoelectric power generation shoe improves the power generation efficiency of the piezoelectric power generation shoe.
Description
Technical Field
The invention relates to the technical field of piezoelectric power generation shoes, in particular to a multifunctional piezoelectric power generation shoe.
Background
Modern society science and technology develops at a high speed, traditional fossil fuel is exhausted day by day and serious to environmental pollution, and in order to energy saving and emission reduction, the search for new energy becomes the urgent necessity of people. The energy sources in the environment are very rich, such as wave energy, wind energy, solar energy and the like, wherein vibration energy is the most common in daily life of people. A large amount of energy of the human body is released in the external environment in the process of movement, particularly, a large amount of vibration energy can be generated when people walk, and if the energy is utilized, the problem of environmental pollution is effectively relieved. D of the prior art, which usually uses piezoelectric plates33In the mode, the elastic modulus of the used piezoelectric sheet is very large, so that the power generation efficiency of the piezoelectric power generation shoe is low.
Disclosure of Invention
In view of this, the invention provides a multifunctional piezoelectric power generation shoe, which solves the technical problem that the power generation efficiency of the piezoelectric power generation shoe in the prior art is low.
The invention provides a multifunctional piezoelectric power generation shoe, which comprises a foot fixing device, a sole plate, a force transmission part, a piezoelectric part, a circuit board and a sole shell, wherein the foot fixing device comprises a sole plate connection hole, the foot fixing device is connected with the sole plate through the sole plate connection hole, the sole plate is provided with a force transmission part arc section elastic plate end part notch and a piezoelectric part fixing plate notch, the force transmission part comprises an arc section elastic plate and a force transmission inclined plate, one end of the arc section elastic plate is fixed at the sole plate notch, the other end of the arc section elastic plate is connected with one end of the force transmission inclined plate, the other end of the force transmission inclined plate is hinged with the free end of the piezoelectric part force application plate, the fixing plate of the piezoelectric part is fixed at the sole plate notch, the piezoelectric part comprises a force application plate, a piezoelectric coupling plate and a fixing plate, and piezoelectric pieces are arranged on the upper surface and the lower surface of the piezoelectric coupling plate; when a human body moves, the force transmission inclined plate of the force transmission part amplifies the received excitation and transmits the excitation to the piezoelectric part, so that the piezoelectric sheet on the piezoelectric coupling plate is deformed to generate electric energy, and the circuit board converts the electric energy into usable electric energy.
Furthermore, a sliding groove is further formed in the sole plate, and the other end of the force transmission inclined plate is hinged to the free end of the force application plate of the piezoelectric portion and is arranged in the sliding groove.
Furthermore, the piezoelectric portion is a section of U-shaped beam, the piezoelectric portion further comprises a force application plate and a fixing plate, the force application plate, the piezoelectric coupling plate and the fixing plate are sequentially and rigidly connected, and the fixing plate is fixed in a notch of the sole plate.
Further, the thickness of the piezoelectric coupling plate is smaller than that of the force transmission plate and the fixing plate.
Furthermore, one end of the arc section elastic plate is rigidly connected with one end of the force transmission inclined plate, and the included angle between the force transmission inclined plate and the horizontal direction is less than 45 degrees.
Furthermore, the circuit board comprises a rectifying module, a valley filling module and a storage module, wherein the electric energy is converted into direct current through the rectifying module, filtered through the valley filling module and then transmitted to the storage module to be stored.
Furthermore, multi-functional piezoelectricity electricity generation shoes still include sole shell, still set up sole shell linking hole on the sole board, set up the hole that corresponds with sole board linking on the sole shell, the sole shell still includes antiskid sheets and air vent, antiskid sheets sets up in the bottom of sole shell, the air vent sets up in the side of sole shell.
Furthermore, multi-functional piezoelectricity electricity generation shoes still include the LED lamp, the LED lamp sets up in the sole outside, foot fixing device still is provided with the USB interface, the USB interface is connected with the circuit board, piezoceramics's d is adopted to the piezoelectricity coupling plate31And (4) effect.
Furthermore, the power transmission part is specifically one end embedded in the other end of the fixed hinged connection, the end part of the circular arc section elastic plate of the power transmission part is embedded in the notch of the sole plate, the shaft rod at the other end of the circular arc section elastic plate is hinged with the piezoelectric part power application plate and is limited in the chute fixed on the sole plate, when a person moves, the power transmission part expands the reaction force of the ground for the sole, so that the bottom end of the power application plate generates horizontal action force to generate moment, the piezoelectric coupling plate in the piezoelectric part is driven to generate elastic deformation in the concave direction or the convex direction, and the piezoelectric pieces on the upper surface and the lower surface of the piezoelectric coupling plate generate elastic deformation to generate electric energy.
Compared with the prior art, the invention has the beneficial effects that: the foot fixing device is provided with a sole plate joint hole, the foot fixing device is jointed with the sole plate through the sole plate joint hole, a force transmission part arc section elastic plate end part notch and a piezoelectric part fixing plate notch are formed in the sole plate, the force transmission part comprises an arc section elastic plate and a force transmission inclined plate, one end of the arc section elastic plate is fixed in the sole plate notch, the other end of the arc section elastic plate is connected with one end of the force transmission inclined plate, the other end of the force transmission inclined plate is hinged with the free end of a piezoelectric part force application plate, the fixing plate of the piezoelectric part is fixed in the sole plate notch, the piezoelectric part comprises a force application plate, a piezoelectric coupling plate and a fixing plate, and piezoelectric pieces are arranged on the upper surface and the lower surface of the piezoelectric coupling plate; when a human body moves, the force transmission inclined plate of the force transmission part amplifies the received excitation and transmits the excitation to the piezoelectric part, so that the piezoelectric sheet on the piezoelectric coupling plate is deformed to generate electric energy, the circuit board converts the electric energy into the electric energy which can be efficiently utilized, and the power generation efficiency of the piezoelectric power generation shoe is improved.
Drawings
Fig. 1 is a schematic structural view of a piezoelectric power generation shoe according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a foot fixing device according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a sole plate according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a circuit board according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a main body of a piezoelectric shoe according to embodiment 1 of the present invention;
fig. 6 to 7 are schematic structural views of a force transmission part according to embodiment 1 of the present invention;
fig. 8 is a schematic structural view of a piezoelectric portion according to embodiment 1 of the present invention;
FIG. 9 is a schematic view of the structure of a sole shell according to embodiment 1 of the present invention;
FIG. 10 is a schematic view of the anti-slip sheet according to embodiment 1 of the present invention;
fig. 11 to 12 are schematic structural views of a force transmission part according to embodiment 2 of the present invention.
Reference numerals: 100-foot fixation means; 110-sole plate engagement holes; 120-USB socket; 130-LED lamps; 200-a sole plate; 210-a circuit board; 211-a rectifying module; 212-a valley filling module; 213-a storage module; 221-notch at end of arc section elastic plate of force transmission part; 222-piezoelectric portion fixing plate notch; 223-foot fixture engagement hole; 224-sole shell engagement hole; 230-a chute; 240-sole plate notches; 300-a force transfer portion; 310-a force transfer portion; 320-a force transfer portion; 330-force transfer part; 340-a force transfer part; 400-piezoelectric part: 410-a force application plate; 410-connecting the shaft; 420-a piezoelectric coupling plate; 421-piezoelectric sheet; 430-a fixed plate; 500-a sole shell; 510-anti-slip sheets; 520-a vent hole; 530-sole plate engagement hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment of the invention provides a multifunctional piezoelectric power generation shoe, which comprises a foot fixing device, a sole plate, a force transmission part, a piezoelectric part and a circuit board, wherein the foot fixing device comprises a sole plate connection hole, the foot fixing device is connected with the sole plate through the sole plate connection hole, the sole plate is provided with a force transmission part arc section elastic plate end part notch and a piezoelectric part fixing plate notch, the force transmission part comprises an arc section elastic plate and a force transmission inclined plate, one end of the arc section elastic plate is fixed in the sole plate notch, the other end of the arc section elastic plate is connected with one end of the force transmission inclined plate, the other end of the force transmission inclined plate is hinged with the free end of the piezoelectric part force application plate, the fixing plate of the piezoelectric part is fixed in the sole plate notch, the piezoelectric part comprises a force application plate, a piezoelectric coupling plate and a fixing plate, and piezoelectric pieces are arranged on the upper surface and the lower surface of the piezoelectric plate; when a human body moves, the force transmission inclined plate of the force transmission part amplifies the received excitation and transmits the excitation to the piezoelectric part, so that the piezoelectric sheet on the piezoelectric coupling plate is deformed to generate electric energy, and the circuit board converts the electric energy into the electric energy for utilization.
In a specific embodiment, a schematic structural view of a multifunctional piezoelectric power generating shoe, as shown in fig. 1, a schematic view of a foot fixing device, as shown in fig. 2, includes a foot fixing device 100, a sole plate 200, a force transferring part 300, a piezoelectric part 400, and a sole shell 500, the foot fixing device is designed in a shoe shape, and LED lamps and USB interfaces are respectively disposed at the front and the rear of the foot fixing device, and are connected to the sole plate through a connecting hole 110, the schematic structural view of the sole plate, as shown in fig. 3, the force transferring part 300, the piezoelectric part 400, and a circuit board 210 are fixed to the sole plate 200; the free end of the force transmission sloping plate and the free end of the force application plate 410 of the piezoelectric part 400 are hinged through a shaft rod and limited in the sliding grooves 230 fixed in the sole plate 200, and the sliding grooves 230 at two sides can ensure the horizontal movement of the shaft rod; the force transmission part 300 of the heel is designed to be slightly higher than the toe cap; the piezoelectric portion 400 is a U-shaped beam, and includes a force applying plate 410, a fixing plate 430 and a piezoelectric coupling plate 420, and each section is rigidly connected;
when a human body moves, the piezoelectric power generation shoe is excited by the reaction force of the ground on the foot, the excitation is amplified through the inclined plate of the force transmission part and is transmitted to the force application plate of the piezoelectric part, the maximum bending moment at the joint of the force application plate and the piezoelectric coupling plate is transmitted to the piezoelectric coupling plate by the force application plate, so that the piezoelectric sheet on the piezoelectric coupling plate is deformed to generate electric energy, and the electric energy is converted into the electric energy which can be efficiently utilized through the circuit board;
As shown in fig. 4, the circuit board 210 includes a rectifying module 211, a valley filling module 212, and a storage module 213;
preferably, the sole plate 200 is further provided with a sliding groove 230, and a free end of the force transmission sloping plate is hinged with a free end of the piezoelectric part force application plate 410 and is arranged in the sliding groove 230;
in one embodiment, the working structure of the piezoelectric shoe is schematically shown in fig. 5, a sole plate notch 221 of the sole plate 200 is used for engaging the force-transmitting portion 300, and a sole plate notch 222 is used for engaging the piezoelectric portion 400; the force transmission part 300 is hinged with the piezoelectric part 400 through a shaft rod, and the shaft rod moves horizontally in the sliding groove 230 on the sole plate 200;
preferably, the piezoelectric part is a section of U-shaped beam, the force application plate, the piezoelectric coupling plate and the fixing plate are sequentially and rigidly connected, the fixing plate is fixed in the notch of the sole plate, and the thickness of the piezoelectric coupling plate is smaller than that of the force transmission plate and the fixing plate; thereby concentrating the deformation of the U-shaped beam on the piezoelectric coupling part; the piezoelectric coupling plates are horizontal plates, and the horizontal plates are fixedly connected with the fixed plate and the force transmission plate which are vertically arranged;
preferably, one end of the arc-section elastic plate is rigidly connected with one end of the force transmission inclined plate, and the included angle between the force transmission inclined plate and the horizontal direction is less than 45 degrees, so that the horizontal force arm is larger than the vertical force arm, and the acting force of the ground on the sole is amplified;
In one embodiment, as shown in fig. 6 and 7, the force-transmitting portion 310 is fixed at one end and hinged at the other end, and is slightly higher and disposed at the heel position as shown in fig. 6; the force transfer part 320 shown in fig. 7 is slightly lower and is placed at the toe cap;
the force transmission part comprises an arc section elastic plate and a force transmission inclined plate, the arc section elastic plate is in rigid connection with the force transmission inclined plate, and an included angle between the force transmission inclined plate and the horizontal direction is smaller than 45 degrees, so that the horizontal force arm is larger than the vertical force arm, and the acting force of the ground on the sole is amplified; the force transmission part 300 of the heel is slightly higher than the toe cap, the pressure borne by the heel is higher than that of the toe cap, and the comfort level of feet is guaranteed while the energy is fully utilized; the arc section elastic plate has good elasticity, so that a person can have a better bouncing effect during walking and running, and the walking and running speed is higher; the end parts of the force transmission inclined plates of the force transmission part are hinged with the free ends of the force transmission plates of the piezoelectric part corresponding to the force transmission inclined plates through shaft rods, and the shaft rods horizontally slide in the sliding grooves on the two sides of the shaft rods, so that the piezoelectric coupling plates can work safely and efficiently;
as shown in fig. 8, the piezoelectric portion 400 includes a force applying plate 410, a piezoelectric coupling plate 420 and a fixing plate 430, and piezoelectric sheets 421 are adhered to the upper and lower surfaces of the piezoelectric coupling plate; the three plates are rigidly connected, and the fastening plate 430 is secured to the sole plate 110 by the piezoelectric portion fastening plate notch 222. The thickness of the piezoelectric coupling plate is smaller than that of the force transmission plate and the fixing plate, so that the deformation of the U-shaped beam is concentrated on the piezoelectric coupling part; sole shell structure as shown in fig. 9, anti-slip sheet as shown in fig. 10, sole shell 500 is similar to a box design, including anti-slip sheet 510, small device USB charging port 520, toe cap light 530, ventilation hole 540;
Preferably, the circuit board comprises a rectifying module, a valley filling module and a storage module, and the electric energy is converted into direct current through the rectifying module, filtered through the valley filling module and then transmitted to the storage module to be stored;
preferably, the shoe sole further comprises a shoe sole shell, the shoe sole plate is further provided with a shoe sole shell engagement hole, the shoe sole shell is provided with a hole corresponding to the engagement of the shoe sole plate, the shoe sole shell further comprises an anti-slip sheet and an air vent, the anti-slip sheet is arranged at the bottom of the shoe sole shell, and the air vent is arranged on the side face of the shoe sole shell;
in one embodiment, the sole shell is a box-type design that fits the sole plate; the side surface of the sole shell is provided with a vent hole, so that the discharge of internal air is ensured, and the extrusion of the internal air is avoided; the bottom of the sole shell is provided with an anti-skid sheet for preventing the road surface from skidding; the foot fixing device and the sole shell can be well matched with the sole plate through the connecting hole; the sole shell ensures that external rainwater and dust cannot enter the whole device to influence the working performance of the device when the whole device works; the engagement holes 223 correspond to the holes 110 of the foot fixing means one to one, and the engagement holes 224 correspond to the holes 530 of the outsole housing one to one;
Preferably, the foot fixing device is further provided with a USB interface, the USB interface is connected with the circuit board, and the piezoelectric coupling plate adopts piezoelectric ceramic d31Effects; the USB interface arranged on the foot fixing device can be used for charging portable small-sized electric equipment, and the LED lamp can be used for night illumination; piezoelectric ceramic is adopted as the piezoelectric patch on the U-shaped beam piezoelectric coupling plate31The effect is that the surface strain is uniform in the vibration process, so that the power generation efficiency is higher;
in one embodiment, the force-transmitting portion 300 is formed by an insertion shape (310, 320) and a hinge shape (330, 340), and the ends of the arc-shaped elastic plates are inserted into or hinged to the sole plate 200. The oblique force transmission plate is in a bow shape or a middle shape, so that the elasticity of the oblique force transmission plate can be increased, and the piezoelectric part cannot be damaged under the excitation of the force transmission oblique plate with large displacement;
preferably, the force transmission part is specifically one end embedded and fixed and the other end hinged, the notch at the end part of the circular arc section elastic plate of the force transmission part is embedded in the sole plate, the free end shaft rod of the force transmission inclined plate of the force transmission part is hinged with the free end of the force application plate of the piezoelectric part and is limited in the chute fixed on the sole plate, when a person moves, the force transmission part expands the reaction force of the ground for the sole, so that the bottom end of the force application plate generates horizontal action force to generate moment, the piezoelectric coupling plate in the piezoelectric part is driven to generate elastic deformation in the concave direction or the convex direction, and the piezoelectric pieces on the upper surface and the lower surface of the piezoelectric coupling plate generate elastic deformation to generate electric energy.
In specific implementation, the embedded force transmission parts 310 and 320 are combined and directly embedded on the sole plate 200 through the sliding grooves; when a person moves, the force transmission part 300 arranged at the toe cap and the heel amplifies the reaction force of the ground to the sole, so that the bottom end of the force application plate 410 of the piezoelectric part 400 generates a horizontal force and further generates a moment, the piezoelectric coupling plate 420 in the piezoelectric part is driven to generate elastic deformation in a concave direction or a convex direction, and the piezoelectric sheets 421 on the upper surface and the lower surface of the piezoelectric coupling plate generate elastic deformation to generate electric energy. Then, the alternating current is converted into direct current through the circuit board 210 and the rectifier module 211, and then the peak pulse voltage is converted into sine voltage through the valley filling module 212, and finally the sine voltage is connected with the storage module 213 for the piezoelectric power generation shoes.
Example 2
The embodiment of the invention relates to a multifunctional piezoelectric power generation shoe, wherein the force transmission part is a hinged force transmission part, the free ends of the force transmission inclined plates of the arc-section elastic plates are hinged in the notches of the sole plates through shaft rods, when a person moves, the force transmission part amplifies the reaction force given to the sole by the ground, so that the bottom ends of the force application plates generate horizontal action force and further the force application plates generate moment, and the piezoelectric coupling plates in the piezoelectric part are driven to generate concave or convex uniform elastic deformation, so that piezoelectric sheets on the upper surface and the lower surface of the piezoelectric coupling plates generate uniform elastic deformation and generate electric energy.
In practical implementation, as shown in fig. 11 and 12, the two ends of the force transmission part are hinged, and the force transmission part 330 in fig. 11 is slightly higher and is placed on the heel; the force transfer portion 340 is shown in fig. 12 as being slightly lower and positioned at the toe box. The hinged force transmission parts 330 and 340 are combined and hinged in the sliding grooves of the sole plate 200 through the shaft rods; when a person moves, the force transmission part 300 arranged at the toe cap and the heel amplifies the reaction force of the ground to the sole, so that the bottom end of the force application plate 410 of the piezoelectric part 400 generates a horizontal force and further generates a moment, the piezoelectric coupling plate 420 in the piezoelectric part is driven to generate concave or convex uniform elastic deformation, the piezoelectric sheets 421 on the upper surface and the lower surface of the piezoelectric coupling plate generate uniform elastic deformation, and electric energy is generated. Then, alternating current is converted into direct current through the circuit board 210 and the rectifying module 211, spike pulse voltage is converted into sinusoidal voltage through the valley filling module 212, and finally the sinusoidal voltage is connected with the storage module 213 for the piezoelectric power generation shoes.
The invention discloses a piezoelectric power generation shoe, which is characterized in that a sole plate joint hole is formed in a foot fixing device, the foot fixing device is connected with a sole plate through the sole plate joint hole, a force transmission part circular arc section elastic plate end part notch and a piezoelectric part fixing plate notch are formed in the sole plate, the force transmission part comprises a circular arc section elastic plate and a force transmission inclined plate, one end of the circular arc section elastic plate is hinged to the sole plate notch, the other end of the circular arc section elastic plate is fixedly connected with one end of the force transmission inclined plate, the other end of the force transmission inclined plate is hinged with the free end of a piezoelectric part force application plate, the fixing plate of the piezoelectric part is fixed in the sole plate notch, the piezoelectric part comprises a force application plate, a piezoelectric coupling plate and a fixing plate, and piezoelectric pieces are arranged on the upper surface and the lower surface of the piezoelectric coupling plate; when a human body moves, the force transmission inclined plate of the force transmission part amplifies the received excitation and transmits the excitation to the piezoelectric part, so that an electric sheet on the piezoelectric coupling plate is deformed to generate electric energy, the electric energy is converted into the electric energy which can be efficiently utilized by the circuit board, and the power generation efficiency of the piezoelectric power generation shoe is improved;
According to the technical scheme, the bouncing force of the pedestrian can be increased, the walking and running speed can be increased, and the foot kinetic energy can be converted into the electric energy to meet the electricity demand of the pedestrian. The piezoelectric power generation shoes manufactured by utilizing the piezoelectric effect have simple structure and high power generation efficiency. The force transmission plate structure can ensure that the elasticity is better and the speed is higher when people walk and run; the force applied to the sole is amplified and applied to the U-shaped beam through the force transmission plate, so that the piezoelectric coupling part generates concentrated and uniformly distributed strain, and the piezoelectric ceramic power generation efficiency is higher. The electric energy generated by the piezoelectric patch can be converted by the circuit board to charge portable small-sized electric equipment such as a mobile phone, an earphone, a night running head lamp and the like;
according to the technical scheme, the vertical force is amplified into the horizontal force through the inclined plate of the force transmission part, the horizontal force is converted into the moment through the vertical force application plate of the piezoelectric part, the moment is transmitted to the horizontal piezoelectric coupling plate, the piezoelectric coupling plate is driven to generate uniform bending elastic deformation, and the piezoelectric sheets adhered to the upper surface and the lower surface of the piezoelectric coupling plate are driven to generate electricity in a synchronous mode. Converting the spike pulse piezoelectricity into sinusoidal voltage through a circuit board; the multifunctional piezoelectric power generation shoe is simple in structure, and can play a role in protecting the environment while providing convenient and fast walking for people.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A multifunctional piezoelectric power generation shoe is characterized by comprising a foot fixing device, a sole plate, a force transmission part, a piezoelectric part and a circuit board, wherein the foot fixing device comprises a sole plate connecting hole, the foot fixing device is connected with the sole plate through the sole plate connecting hole, a force transmission part circular arc section elastic plate end part notch and a piezoelectric part fixing plate notch are formed in the sole plate, the force transmission part comprises a circular arc section elastic plate and a force transmission inclined plate, one end of the circular arc section elastic plate is fixed to the sole plate notch, the other end of the circular arc section elastic plate is connected with one end of the force transmission inclined plate, the other end of the force transmission inclined plate is hinged to the free end of the piezoelectric part force application plate, the fixing plate of the piezoelectric part is fixed to the sole plate notch, the piezoelectric part comprises a force application plate, a piezoelectric coupling plate and fixing plates, and piezoelectric sheets are arranged on the upper surface and the lower surface of the piezoelectric coupling plate; when a human body moves, the force transmission inclined plate of the force transmission part amplifies the received excitation and transmits the excitation to the piezoelectric part, so that the piezoelectric sheet on the piezoelectric coupling plate is uniformly deformed to generate electric energy, and the circuit board converts the electric energy into usable electric energy;
The force transmission part is arranged at the heel and the toe cap;
the piezoelectric part is a section of U-shaped beam, the force application plate, the piezoelectric coupling plate and the fixed plate are sequentially and rigidly connected, and the thickness of the piezoelectric coupling plate is smaller than that of the force transmission plate and the fixed plate.
2. The multifunctional piezoelectric power generation shoe as claimed in claim 1, wherein a sliding groove is further formed in the sole plate, and a hinge joint between the other end of the force transmission inclined plate and the free end of the force application plate of the piezoelectric part is formed in the sliding groove.
3. The multifunctional piezoelectric power generation shoe of claim 1, wherein one end of the arc section elastic plate is rigidly connected with one end of the force transmission inclined plate, and an included angle between the force transmission inclined plate and the horizontal direction is less than 45 degrees.
4. The multifunctional piezoelectric power generation shoe as claimed in claim 1, wherein the circuit board comprises a rectification module, a valley filling module and a storage module, and the electric energy is converted into direct current through the rectification module, filtered through the valley filling module and then transmitted to the storage module to be stored.
5. The multifunctional piezoelectric power generation shoe as claimed in claim 1, further comprising a sole housing, wherein the sole plate is further provided with a sole housing engagement hole, the sole housing is provided with a hole corresponding to engagement of the sole plate, the sole housing further comprises a non-slip sheet and an air vent, the non-slip sheet is arranged at the bottom of the sole housing, and the air vent is arranged at a side surface of the sole housing.
6. The multifunctional piezoelectric power generation shoe as claimed in claim 1, further comprising an LED lamp disposed outside the sole, wherein the foot fixing device is further provided with a USB interface, the USB interface is connected to a circuit board, and the piezoelectric coupling plate adopts d31 effect of piezoelectric ceramics.
7. The multifunctional piezoelectric power generation shoe as claimed in claim 1, wherein the force transmission part is formed by fixedly embedding one end of the force transmission part and connecting the other end of the force transmission part with a hinge, a notch at the end part of an arc section elastic plate of the force transmission part is embedded in the sole plate, a shaft rod at the other end of the arc section elastic plate is hinged with the free end of the force application plate of the piezoelectric part and is limited in a sliding chute fixed on the sole plate, when a person moves, the force transmission part expands the reaction force applied to the sole by the ground, so that the bottom end of the force application plate generates a horizontal acting force to generate a moment, and the piezoelectric coupling plate in the piezoelectric part is driven to elastically deform in a concave or convex direction, so that piezoelectric patches on the upper surface and the lower surface of the piezoelectric coupling plate generate elastic deformation to generate electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US10806212B2 (en) * | 2015-05-29 | 2020-10-20 | Nike, Inc. | Multi-capacitor kinetic energy generator |
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| CN101278768A (en) * | 2007-11-30 | 2008-10-08 | 大连理工大学 | Power-generating shoes |
| CN102379476A (en) * | 2010-08-27 | 2012-03-21 | 昆山市玉山镇城北丰怡五金机电商行 | Shoe with power generation function |
| CN106130404A (en) * | 2016-07-27 | 2016-11-16 | 上海电力学院 | A kind of intelligent power generation footwear |
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