CN111130389A - Passive dielectric elastomer wind energy collecting device and application thereof - Google Patents
Passive dielectric elastomer wind energy collecting device and application thereof Download PDFInfo
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- CN111130389A CN111130389A CN202010058299.1A CN202010058299A CN111130389A CN 111130389 A CN111130389 A CN 111130389A CN 202010058299 A CN202010058299 A CN 202010058299A CN 111130389 A CN111130389 A CN 111130389A
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- 239000000919 ceramic Substances 0.000 claims abstract description 35
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- 229920000620 organic polymer Polymers 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
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- 238000004146 energy storage Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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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
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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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
- F03D—WIND MOTORS
- F03D5/00—Other wind motors
- F03D5/06—Other wind motors the wind-engaging parts swinging to-and-fro and not rotating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
Abstract
The application provides a passive dielectric elastomer wind energy collecting device which comprises a base, a support, a cantilever beam and a blunt body, wherein the support is fixed on the base; the length extension direction of the cantilever beam is provided with a piezoelectric ceramic component, the blunt body is internally provided with an accommodating cavity, and the accommodating cavity is internally provided with at least one dielectric elastomer energy acquisition unit electrically connected with the piezoelectric ceramic component; each dielectric elastomer energy acquisition unit comprises a cylinder with openings at two ends, a variable capacitor and a sphere, wherein the variable capacitor is fixed on the openings at two ends of the cylinder, the sphere is arranged in the cylinder, and the variable capacitor comprises a first electrode, a dielectric elastomer layer and a second electrode which are sequentially stacked. When wind source airflow drives the blunt body and the cantilever beam of the passive dielectric elastomer wind energy collecting device to vibrate, wind energy can be efficiently converted into electric energy under the condition of no external electric field. The application also provides an application of the passive dielectric elastomer wind energy collecting device.
Description
Technical Field
The application relates to the technical field of power generation devices, in particular to a passive dielectric elastomer wind energy collecting device and application thereof.
Background
In recent years, energy has become a key factor for the sustainable development of modern society; meanwhile, with the progress of environmental awareness, effective utilization of various clean energy sources is receiving wide attention of society. The wind energy is a clean renewable energy source, the accumulated amount is huge, and the total amount of the wind energy is 10 times larger than the total amount of water energy which can be developed and utilized on the earth. However, most of the existing wind energy collecting devices such as wind driven generators have the problems of complex structure, high cost and the like; and the environment of equipment installation is generally in the field and on the sea, and the construction cost is high.
On the other hand, the conventional energy harvesting device based on Dielectric Elastomer (DE) has the advantages of simple structure, low cost, etc., but such device needs to provide external extra voltage, which greatly limits its operation in a passive environment.
Disclosure of Invention
In view of this, the present application provides a passive dielectric elastomer wind energy collecting device and applications thereof. The passive dielectric elastomer wind energy collecting device can collect wind energy and convert the wind energy into electric energy under the condition of no external electric field.
In particular, in a first aspect, the application provides a passive dielectric elastomer wind energy collecting device, which comprises a base, a bracket fixed on the base, a cantilever beam fixed on the bracket and a blunt body connected to one end of the cantilever beam; the piezoelectric ceramic component is arranged in the length extending direction of the cantilever beam, an accommodating cavity is arranged in the blunt body, and at least one dielectric elastomer energy acquisition unit electrically connected with the piezoelectric ceramic component is arranged in the accommodating cavity; each dielectric elastomer energy acquisition unit comprises a cylinder with openings at two ends, a variable capacitor and a sphere, wherein the variable capacitor is fixed on the openings at two ends of the cylinder, the sphere is arranged in the cylinder, and the variable capacitor comprises a first electrode, a dielectric elastomer layer and a second electrode which are sequentially stacked; when the wind source airflow drives the blunt body and the cantilever beam to vibrate, the piezoelectric ceramic component deforms and outputs current to the dielectric elastomer energy acquisition unit, and the ball in the dielectric elastomer energy acquisition unit reciprocates in the cylinder and impacts the variable capacitor to output electric energy.
In this application, the working principle of the passive dielectric elastomer wind energy collecting device is as follows: under the action of wind source airflow, the bluff body can swing under the driving of the airflow due to the wind resistance property of the bluff body, and a cantilever beam connected with the bluff body also swings and further drives the bluff body to move repeatedly; the piezoelectric ceramic component on the cantilever beam deforms due to the swinging of the cantilever beam, current is output to the dielectric elastomer energy acquisition unit, and the dielectric elastomer energy acquisition unit enables the inner ball body to reciprocate in the cylinder and impact the variable capacitor in the repeated movement of the blunt body, so that higher output electric energy is realized, the acquisition of wind energy is realized, and the wind energy is converted into electric energy.
Optionally, the surface of the first electrode and the surface of the second electrode are both provided with through holes arranged opposite to the openings at the two ends of the cylinder, and the sphere passes through the through hole on the surface of the first electrode or the second electrode and directly impacts the dielectric elastomer layer.
In the dielectric elastomer energy collection unit, the openings at two ends of the cylinder may be respectively provided with a variable capacitor. When the vibration state is in, the ball body reciprocates in the cylinder and respectively impacts the variable capacitors on the openings at the two ends of the cylinder to generate higher output electric energy.
Wherein the sphere diameter size of the sphere is close to the inner diameter size of the cylinder, and the sphere can freely move in the cylinder with low friction. Optionally, the sphere diameter size of the sphere is smaller than the aperture of the through hole.
Optionally, the cantilever beam and the dielectric elastomer energy collection unit are both arranged along a horizontal direction, and a length extension direction of the cantilever beam and a length extension direction of the dielectric elastomer energy collection unit are perpendicular to each other.
In one embodiment, the cantilever beam is fixed on the support along a horizontal direction, the dielectric elastomer energy collection unit is fixed in the accommodating cavity, a length extending direction of the dielectric elastomer energy collection unit is a horizontal direction, and the length extending direction of the dielectric elastomer energy collection unit is perpendicular to a length extending direction of the cantilever beam.
Optionally, the piezoelectric ceramic component comprises at least one piezoelectric ceramic piece, and the at least one piezoelectric ceramic piece is attached to the cantilever beam.
Further, optionally, a plane of the at least one piezoelectric ceramic plate is perpendicular to a horizontal plane. The horizontal plane is the plane in which the horizontal direction is located.
Optionally, the passive dielectric elastomer wind energy collecting device further comprises a load assembly, the load assembly is electrically connected with the dielectric elastomer energy collecting unit, and a voltage stabilizing diode is arranged between the load assembly and the dielectric elastomer energy collecting unit. In one embodiment, the load assembly includes an electrical component connected in an electrical circuit and capable of operating on electrical energy converted by a passive dielectric elastomer wind energy harvester. For example, the load component may be, but is not limited to, an energy storage component, an electrical element, and the like.
Optionally, the piezoelectric ceramic component is electrically connected to the dielectric elastomer energy collection unit through a wire, and the blunt body is further provided with a wire through hole for fixing the wire.
Optionally, the shape of the blunt body comprises a cylinder, a cuboid, a triangular prism, or a polygonal prism.
Optionally, the material of the cantilever beam includes a carbon fiber material or a composite material thereof.
Optionally, the material of the ball body comprises an insulating material; the insulating material comprises ceramic, glass or an organic polymer.
The passive dielectric elastomer wind energy collection device of the first aspect of the application, the device be one can be high-efficient with the device that wind energy turned into electric energy, the device with dielectric elastomer energy acquisition unit embedding to blunt body in to the design contains piezoceramics subassembly's cantilever beam, the equipment forms a wind energy collection device that more need not the external power supply, the structure is retrencied, with low costs and easy to assemble, can extensively be used for the wind power generation field.
In a second aspect, the present application further provides a use of the passive dielectric elastomer wind energy collecting device according to the first aspect of the present application in an electrical apparatus. The electrical equipment is equipment which needs electric energy to improve kinetic energy. The passive type dielectric elastomer wind energy collecting device is a wind energy collecting device or a wind energy generating device which can work without an external power supply.
Compared with the traditional structure, the structure is complex, and the cost is high; the passive type dielectric elastomer wind energy collecting device has the advantages that the passive type dielectric elastomer wind energy collecting device is more simplified in structure, can work in a passive (power supply) environment and is convenient to install; the wind energy can be efficiently converted into the electric energy, and higher output electric energy is realized; it has wide application prospect in electrical equipment.
Advantages of the present application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of the invention.
Drawings
In order to more clearly illustrate the contents of the present invention, a detailed description thereof will be given below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a passive dielectric elastomer wind energy collecting device 100 according to an embodiment of the present application;
fig. 2 is a schematic cross-sectional structural view of a dielectric elastomer energy harvesting unit according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a variable capacitor according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a passive dielectric elastomer wind energy collecting device 200 according to another embodiment of the present application.
Detailed Description
The following is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications are also considered as the protection scope of the present application.
Referring to fig. 1, 2 and 3 together, a passive dielectric elastomer wind energy collecting device 100 according to an embodiment of the present application includes a base 10, a bracket 20 fixed on the base 10, a cantilever beam 30 fixed on the bracket 20, and a blunt body 40 connected to one end of the cantilever beam 30; a piezoelectric ceramic group 50 is arranged in the length extending direction of the cantilever beam 30, an accommodating cavity 41 is arranged in the blunt body 40, and at least one dielectric elastomer energy acquisition unit 60 electrically connected with the piezoelectric ceramic component 50 is arranged in the accommodating cavity 41; each dielectric elastomer energy collection unit 60 comprises a cylinder 61 with two open ends, a variable capacitor 62 fixed on the two open ends of the cylinder 61 and a sphere 63 arranged in the cylinder 61, wherein the variable capacitor 62 comprises a first electrode 621, a dielectric elastomer layer 622 and a second electrode 623 which are sequentially stacked; when the wind source airflow drives the blunt body 40 and the cantilever beam 30 to vibrate, the piezoceramic component 50 deforms and outputs current to the dielectric elastomer energy collection unit 60, and the sphere 63 in the dielectric elastomer energy collection unit 60 reciprocates in the cylinder 61 and impacts the variable capacitor 62 to output electric energy.
The passive dielectric elastomer wind energy collecting device can effectively collect wind energy and finally convert the wind energy into electric energy; and the piezoelectric ceramic component is adopted, and external voltage input is not required. Compare in traditional wind power generation set based on dielectric elastomer that needs external power supply, this application passive form dielectric elastomer wind energy collection system can be applicable to the application place under a large amount of passive environment, just this application passive form dielectric elastomer wind energy collection system structure is retrencied, can realize higher output electric energy, and with low costs, applicable in large-scale production.
In the embodiment of the present application, the dielectric elastomer layer 622 in the variable capacitor 62 is formed of a dielectric elastomer material, which is an electroactive polymer material, and has the characteristics of good flexibility, large deformation, long-lasting strength, large energy density, and high energy conversion efficiency.
Optionally, the piezoelectric ceramic component 50 includes at least one piezoelectric ceramic piece, and the at least one piezoelectric ceramic piece is attached to the cantilever. And the at least one piezoelectric ceramic piece is attached to the side surface, perpendicular to the horizontal direction, of the cantilever beam. In one embodiment, the piezoelectric ceramic assembly 50 includes two or more piezoelectric ceramic plates, and the two or more piezoelectric ceramic plates are attached to two side surfaces of the cantilever beam perpendicular to the horizontal direction.
In the embodiment of the application, the piezoelectric ceramic piece can be attached to the side surface, parallel to the horizontal direction, of the cantilever beam.
In the embodiment of the application, the piezoelectric ceramic is an information functional ceramic material capable of converting mechanical energy and electric energy into each other, and has a piezoelectric effect, and under the action of mechanical stress, the material causes relative displacement of internal positive and negative charge centers to generate polarization, so that bound charges with opposite signs appear on the surfaces of two ends of the material, namely the piezoelectric effect. The piezoelectric ceramic piece is tightly attached to the surface of the cantilever beam; therefore, when the cantilever beam swings repeatedly, the piezoelectric ceramic piece can deform and output electric energy; the electrical energy may apply a voltage to the dielectric elastomer energy harvesting unit.
In the present embodiment, referring to fig. 3, in the dielectric elastomer energy harvesting unit 60, a variable capacitor 62 may be respectively disposed on openings at two ends of the cylinder 61. When the electric energy generating device is in a vibration state, the ball body reciprocates in the cylinder and respectively impacts the variable capacitors on the openings at the two ends of the cylinder to generate more stable electric energy. The surfaces of the first electrode 621 and the second electrode 623 each have a through hole 625 disposed opposite to the openings at both ends of the cylinder 61, and the first electrode 621 and the second electrode 623 are further provided with a connection port 624 for electrical connection.
Wherein the aperture of the through holes of the first electrode 621 and the second electrode 623 is equal to or close to the inner diameter of the cylinder. The sphere diameter of the sphere is close to the inner diameter of the cylinder, and the sphere can freely move in the cylinder with low friction. In one embodiment, the cylinder and the sphere have smooth surfaces and low coefficients of friction; the fine oscillation of the bluff body also causes the ball to move distally within the cylinder.
Optionally, a conductive coating is disposed between the first electrode 621 and the dielectric elastomer layer 622, and a conductive coating is disposed between the second electrode 623 and the dielectric elastomer layer 622. The material of the conductive coating may include, but is not limited to, graphene. The conductive coating can increase the conductivity between the electrode and the dielectric elastomer layer, further improving the performance of the overall variable capacitor. In the embodiment of the present disclosure, the first electrode 621 and the second electrode 623 may be made of a conductive metal, for example, the first electrode 621 and the second electrode 623 may both be copper sheets. The variable capacitor 62 opened at both ends of the cylinder 61 is detachably connected. In one embodiment, a connection portion may be disposed between the cylinder 61 and each of the variable capacitors 62, and the connection portion is used for fixedly connecting the cylinder to each of the variable capacitors.
In the embodiment of the present application, two or more dielectric elastomer energy harvesting units may be fixed in the accommodating cavity 41. Two or more of the dielectric elastomer energy harvesting units may be, but are not presently limited to being, electrically connected in series or in parallel. Increasing the number of the dielectric elastomer energy collection units can further improve the capability of converting the wind energy of the passive dielectric elastomer wind energy collection device 100 into electric energy.
Optionally, the cantilever beam is fixed to the support along a horizontal direction, the dielectric elastomer energy collection unit is fixed to the accommodating cavity, a length extending direction of the dielectric elastomer energy collection unit is the horizontal direction, and the length extending direction of the dielectric elastomer energy collection unit is perpendicular to a length extending direction of the cantilever beam. Referring to fig. 1, the horizontal direction in the present application may be in the XY plane, wherein the horizontal direction may deviate from the actual horizontal direction by an angle of 5 to 10 °.
In the embodiment of the application, the passive dielectric elastomer wind energy collecting device further comprises a load assembly, the load assembly is electrically connected with the dielectric elastomer energy collecting unit, and a voltage stabilizing diode is arranged between the load assembly and the dielectric elastomer energy collecting unit. In one embodiment, the load assembly includes an electrical component connected in an electrical circuit and capable of operating on electrical energy converted by a passive dielectric elastomer wind energy harvester. For example, the load component may be, but is not limited to, an energy storage component, an electrical element; or electric lamps, motors, etc. Optionally, the load component may be electrically connected to the piezo ceramic component.
In the embodiment of the application, the piezoelectric ceramic component is electrically connected with the dielectric elastomer energy acquisition unit through a wire, and the blunt body is further provided with a wire through hole for fixing the wire.
Optionally, the shape of the blunt body comprises a cylinder, a cuboid, a triangular prism, or a polygonal prism. The shape of bluff body accords with the theoretical value of aerodynamics, can produce the windage under the effect of wind current, is blown the shape that sways by the wind current. The polygonal prism can be a polygonal prism with the number of sides of 5-10.
In the embodiment of the application, the cantilever beam has outstanding structural toughness, and can stably swing to and fro under the drive of wind current or blunt bodies. In one embodiment, the cantilever beam is made of carbon fiber material or composite material thereof.
In the embodiment of the present application, the material of the sphere is a ceramic material. The sphere made of the material can greatly reduce the surface charge accumulation when the sphere is collided in the cylinder 61 in a reciprocating way, so that the whole dielectric elastomer energy acquisition unit is safer and more stable. The size of the sphere is adjusted based on the size of the cylinder of the dielectric elastomer energy collection unit, and the sphere can freely reciprocate in the cylinder.
In an embodiment of the present invention, the cylinder is made of an insulating material. For example, the material of the cylinder is a polymer material or ceramic; the polymer material comprises a resin material, polyvinyl chloride and polyimide. The cylinder can also be made of organic glass.
In the embodiments of the present application, the base and the bracket may be made of, but not limited to, metal. The base and the support are detachably connected. For example, the base and the bracket are fixedly connected by bolts.
In the embodiment of the application, the support can also be provided with a motor servo assembly for adjusting the support wholly or locally rotates to drive the cantilever beam to rotate, so that the cantilever beam can be adjusted according to the wind direction in practical application, and wind energy can be collected to the maximum. Referring to fig. 4, a passive dielectric elastomer wind energy collecting device 200 according to an embodiment of the present application is different from the passive dielectric elastomer wind energy collecting device 100 in that a rotating motor 70 is disposed in the middle of the bracket 20, and the rotating motor 70 can drive a portion of the bracket 20 connected to the cantilever beam 30 to rotate clockwise or counterclockwise; that is, the rotating electrical machine 70 can drive the cantilever beam 30 to rotate clockwise or counterclockwise, so as to meet the requirement of wind energy collection in multiple directions.
In the embodiment of the present application, the cantilever beam 30 and the bracket 20 are detachably connected.
In the present embodiment, the cantilever beam 30 and the bracket 20 can also be firmly connected. The bracket 20 is provided with a groove, and one end of the cantilever beam 30 is directly embedded into the groove of the bracket 20 and then is cemented by super glue.
In the present embodiment, the cantilever beam 30 and the blunt body 40 are detachably connected.
In the present embodiment, the cantilever beam 30 and the blunt body 40 can be stably connected. One side of the blunt body 40 is provided with a groove, and one end of the cantilever beam 30 is directly embedded into the groove of the blunt body 40 and then cemented by super glue.
In the embodiment of the present application, the blunt body 40 is centrally symmetrical with respect to the fixed position of the cantilever beam 30. By adopting the central symmetry mode, the center of gravity of the blunt body 40 can be more balanced, so that the reciprocating swing of the cantilever beam 30 and the blunt body 40 under the wind current of the passive dielectric elastomer wind energy collecting device 100 is more balanced.
The passive dielectric elastomer wind energy collection device is a device capable of efficiently converting wind energy into electric energy, embedding a dielectric elastomer energy collection unit into a blunt body, designing a cantilever beam containing a piezoelectric ceramic component, assembling to form a wind energy collection device without external power supply, simplifying the structure, being low in cost and convenient to install, and being widely applied to the field of wind power generation. Compared with the traditional structure, the structure is complex, and the cost is high; the passive type dielectric elastomer wind energy collecting device has the advantages that the passive type dielectric elastomer wind energy collecting device is more simplified in structure, can work in a passive (power supply) environment and is convenient to install; and the wind energy can be efficiently converted into the electric energy, higher output electric energy is realized, and the wind energy conversion device has wide application prospect in electrical equipment.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A passive dielectric elastomer wind energy collecting device is characterized by comprising a base, a support fixed on the base, a cantilever beam fixed on the support and a blunt body connected to one end of the cantilever beam; the piezoelectric ceramic component is arranged in the length extending direction of the cantilever beam, an accommodating cavity is arranged in the blunt body, and at least one dielectric elastomer energy acquisition unit electrically connected with the piezoelectric ceramic component is arranged in the accommodating cavity; each dielectric elastomer energy acquisition unit comprises a cylinder with openings at two ends, a variable capacitor and a sphere, wherein the variable capacitor is fixed on the openings at two ends of the cylinder, the sphere is arranged in the cylinder, and the variable capacitor comprises a first electrode, a dielectric elastomer layer and a second electrode which are sequentially stacked; when the wind source airflow drives the blunt body and the cantilever beam to vibrate, the piezoelectric ceramic component deforms and outputs current to the dielectric elastomer energy acquisition unit, and the ball in the dielectric elastomer energy acquisition unit reciprocates in the cylinder and impacts the variable capacitor to output electric energy.
2. The passive dielectric elastomer wind energy collection device of claim 1, wherein the surfaces of the first electrode and the second electrode are each provided with a through hole disposed opposite to the openings at the two ends of the cylinder, and the sphere passes through the through hole on the surface of the first electrode or the second electrode and directly impacts the dielectric elastomer layer.
3. The passive dielectric elastomer wind energy capture device of claim 2, wherein the sphere diameter of the sphere is smaller than the aperture of the through hole.
4. The passive dielectric elastomer wind energy capture device of claim 1, wherein the cantilever beam and the dielectric elastomer energy capture unit are disposed horizontally and the length extension of the cantilever beam and the length extension of the dielectric elastomer energy capture unit are perpendicular to each other.
5. The passive dielectric elastomer wind energy capture device of claim 1, wherein the piezoceramic assembly comprises at least one piezoceramic wafer bonded to the cantilever beam.
6. The passive dielectric elastomer wind energy harvesting device of any one of claims 1-5, further comprising a load assembly electrically connected to the dielectric elastomer energy harvesting unit, wherein a zener diode is disposed between the load assembly and the dielectric elastomer energy harvesting unit.
7. The passive dielectric elastomer wind energy collection device according to claim 1, wherein the piezoelectric ceramic assembly is electrically connected to the dielectric elastomer energy collection unit through a wire, and the blunt body is further provided with a wire through hole for fixing the wire.
8. The passive dielectric elastomer wind energy capture device of claim 1, wherein the shape of the bluff body comprises a cylinder, a cuboid, a triangular prism, or a polygonal prism.
9. The passive dielectric elastomer wind energy capture device of claim 1, wherein the material of the sphere comprises an insulating material; the insulating material comprises ceramic, glass or an organic polymer.
10. Use of the passive dielectric elastomer wind energy harvesting device according to any of claims 1 to 9 in an electrical apparatus.
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Cited By (4)
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CN111756274A (en) * | 2020-07-08 | 2020-10-09 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
CN112865604A (en) * | 2021-03-03 | 2021-05-28 | 国网新疆电力有限公司信息通信公司 | Low-damping relaxation vibration type piezoelectric wind energy collector with wide working range |
CN113153625A (en) * | 2021-05-31 | 2021-07-23 | 重庆大学 | Box type wind power generation device and power generation device set |
CN113669204A (en) * | 2020-05-15 | 2021-11-19 | 新疆大学 | Wind power generation device based on dielectric elastomer array |
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2020
- 2020-01-17 CN CN202010058299.1A patent/CN111130389A/en active Pending
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CN113669204A (en) * | 2020-05-15 | 2021-11-19 | 新疆大学 | Wind power generation device based on dielectric elastomer array |
CN111756274A (en) * | 2020-07-08 | 2020-10-09 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
CN111756274B (en) * | 2020-07-08 | 2022-03-01 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
CN112865604A (en) * | 2021-03-03 | 2021-05-28 | 国网新疆电力有限公司信息通信公司 | Low-damping relaxation vibration type piezoelectric wind energy collector with wide working range |
CN112865604B (en) * | 2021-03-03 | 2023-03-14 | 国网新疆电力有限公司信息通信公司 | Low-damping relaxation vibration type piezoelectric wind energy collector with wide working range |
CN113153625A (en) * | 2021-05-31 | 2021-07-23 | 重庆大学 | Box type wind power generation device and power generation device set |
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