CN216518397U

CN216518397U - Rotary wind energy collection friction nano power generation device

Info

Publication number: CN216518397U
Application number: CN202123143353.1U
Authority: CN
Inventors: 尹浩东; 王明雨; 张少君; 李方昊; 史培博; 牛天祥
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-13
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a rotary wind energy collecting friction nanometer power generation device which comprises a power generation module, a support module and a steering module, wherein the power generation module comprises a power supply module, a power supply module and a power supply module; the electricity generating module is provided with a fan blade central shaft, fan blades and an arc-shaped plastic sheet connected with the outer end heads of the fan blades, the fan blades and the arc-shaped plastic sheet are of an integrated structure, and an aluminum sheet is arranged on the outer side face of the arc-shaped plastic sheet; the power generation module also comprises a plastic shell ring; a PDMS friction layer ring is arranged in the plastic shell ring, and a plurality of copper sheets are arranged between the PDMS friction layer ring and the plastic shell ring; the friction layer ring and the arc plastic sheet are designed with the same central axis and have a certain distance; the plastic shell ring is fixedly connected with the support module; the supporting module is provided with a cross rod connected with the central shaft of the fan blade; the supporting module is also provided with a vertical rod and a base supporting integral structure; the steering module is composed of a tail wing at the tail part of the cross rod. The utility model has small volume, exquisite structure and convenient installation; the wind energy of each direction in the environment is effectively utilized with low requirement on wind power; the energy conversion efficiency is high.

Description

Rotary wind energy collection friction nano power generation device

Technical Field

The utility model relates to the technical field of power generation, in particular to a rotary wind energy collecting friction nanometer power generation device.

Background

With the rapid development of the information technology industry, various kinds of multifunctional and highly integrated micro electronic devices are widely used in various fields, and the demand amount shows a rapidly increasing trend. However, the research on the power supply system of these microelectronic devices is relatively lagged, and at present, most microelectronic devices use batteries as power sources. However, the use of batteries as a power source has the disadvantage of requiring periodic replacement, and a large amount of human resources are wasted when used in special environments such as oceans and mountains. Therefore, the development of a technology for converting mechanical energy formed by naturally existing energy in the environment into electric energy has important significance in supplying power to miniature electronic instruments.

Wind energy, a potentially great renewable energy source, is a plentiful resource in many regions of the world. The utilization of wind energy to solve the problems of the traditional fossil energy supply tightening and the continuous deterioration of global ecological environment has become a research hotspot in recent years. The traditional wind power generation technology has the defects that the energy conversion efficiency is low and the like due to the fact that structures such as an induction generator, an inverter and the like are required to work in a combined mode on the basis of the principle of cutting magnetic induction lines. For example, patent CN 202545115U reports a high-efficiency wind power generator, which has the common disadvantages of the conventional wind power generation equipment: large volume, large mass, complex structure, high cost, low energy conversion efficiency and the like, and is not suitable for supplying power to the miniature electronic instrument. With the development of the triboelectric nano-generator by the wangzhining forest and yard team, various technologies for converting mechanical energy into electrical energy based on piezoelectricity and triboelectricity have been widely studied. The friction nano power generation technology is used as a new energy conversion technology, has the advantages of exquisite structure, light weight, portability, wide material selection, low cost, high energy conversion efficiency and the like, and is rapidly developed in the field of power supply of micro electronic devices.

Inspired by traditional wind power generation and combined with the advantages of the friction nano power generation technology, the patent designs a rotary wind energy collection friction nano power generation device. The wind energy is collected by the aid of the fan blade structure and converted into mechanical energy, so that relative friction is generated, smooth friction is converted into arc friction, friction resistance is reduced to a certain extent, and the wind energy-collecting device has the advantages of full contact, large operating area and the like. The collection technology of the friction nanometer generator by means of wind power generation is an important research direction, natural wind energy is converted into electric energy, the defects of the existing wind power generation technology are overcome, and the problem that power supply elements of micro electronic devices working in special environments need to be replaced periodically is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary wind energy collecting friction nanometer power generation device, which aims to solve the problems in the prior art, and the wind energy is used for driving two friction layers to generate friction, so that current is generated and output outwards.

The utility model provides a rotary wind energy collecting friction nanometer power generation device, which comprises: the power generation module, the support module and the steering module. The electricity generating module is provided with a fan blade central shaft, fan blades and an arc plastic sheet connected with the outer end heads of the fan blades; the fan blade central shaft, the fan blade and the arc-shaped plastic sheet are of an integrated structure; the outer side surface of the arc plastic sheet is provided with a power generation friction plate; the electricity generating module also comprises a plastic shell ring; the inner side of the plastic shell ring is provided with a friction layer ring; the outer side surface of the friction layer ring is provided with a plurality of electrode plates, namely the electrode plates are arranged between the plastic shell ring and the friction layer ring; the friction layer ring and the arc plastic sheet are designed with the same central axis and have a certain distance.

The supporting module comprises a cross rod, a vertical rod, a base and a shell ring supporting rod; the cross rods and the vertical rods are of an integrated structure; the joint of the head part of the cross bar and the central shaft of the air vane is provided with a rotating shaft for connection; the vertical rod is connected with the base through a rotating shaft at the joint; one end of the shell ring supporting rod is connected with two sides of the horizontal position of the plastic outer ring shell, and the other end of the shell ring supporting rod is connected with the cross rod, namely, the shell ring supporting rod fixedly connects the plastic outer ring shell with the cross rod.

The steering module is composed of a tail wing part, and the tail wing is arranged at the tail part of the cross rod.

The fan blade is provided with 4 blades which are distributed at equal angles, the inner end of the fan blade is connected with the central shaft of the fan blade, the arc plastic piece connected with the outer end of the fan blade takes the central shaft of the fan blade as the center of a circle, the arc length is 1/8 which is concentric circumference taking the central shaft of the fan blade as the center of a circle, and the outer end of the fan blade is connected with the center of the arc plastic piece, namely, the fan blade is distributed symmetrically.

The power generation friction plate is an aluminum sheet, and the area of the aluminum sheet is the same as the area of the arc plastic sheet in size; the aluminum sheets are only arranged on the outer side surfaces of the pair of symmetrical arc-shaped plastic sheets, namely 2 aluminum sheets are arranged.

The friction layer ring is made of PDMS (Polydimethylsiloxane) material.

The electrode plates are 4 copper plates which are symmetrically distributed on the outer side of the PDMS friction layer ring at equal angles, and the area size of the electrode plates is the same as that of the aluminum plates; the PDMS friction layer ring and the plastic shell ring are both in the same circle center with the central shaft of the fan blade; the PDMS friction layer ring, the copper sheet and the plastic shell ring are identical in width and are adhered into a whole, and the PDMS friction layer ring, the copper sheet and the plastic shell ring are fixedly connected with the support module through the shell ring support rod.

The utility model has small volume, exquisite structure and convenient installation; the power generation material has low cost and wide range; the wind energy of each direction in the environment is effectively utilized with low requirement on wind power; the device has high energy conversion efficiency. The problem of automatic energy supply of miniature electronic instrument has effectually been solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the power generation module of the present invention;

FIG. 3 is a schematic view of a support module of the present invention;

FIG. 4 is a schematic top view of the support module of the present invention;

FIG. 5 is a schematic circuit diagram of the power generation module of the present invention at the beginning of a cycle of operation 1;

fig. 6 is a schematic circuit diagram of the power generation module of the present invention at the end of one cycle operation 2.

In the figure: 1. an electricity generating module; 2. a support module; 3. a steering module; 11. an arc plastic sheet; 12. aluminum sheets; 13. a copper sheet; 14. a PDMS friction ring layer; 15. a plastic housing ring; 16 fan blade central shafts; 17. a fan blade; 21. a cross bar; 22. a vertical rod; 23. a base; 24. a housing ring support bar;

the aluminum sheet 12 is divided into 121 aluminum sheets 1; 122. an aluminum sheet 2;

the copper sheet 13 is divided into 131 copper sheets 1; 132 copper sheet 2; 133. a copper sheet 3; 134. a copper sheet 4.

Detailed Description

The utility model will be further described with reference to the following drawings and specific examples, but the utility model is not limited thereto.

Example (b): as shown in FIGS. 1 to 4, the rotary wind energy collecting friction nanometer power generation device comprises a power generation module 1, a support module 2 and a steering module 3. The electricity generation module 1 is provided with a fan blade central shaft 16, fan blades 17 which are provided with four fan blades and are symmetrically distributed at equal angles, the outer end of each fan blade 17 is connected with an arc-shaped plastic sheet 11, the arc-shaped plastic sheet 11 and the fan blade central shaft 16 are used as circle centers, the arc length is 1/8 of concentric circumference taking the fan blade central shaft 16 as the circle center, and the outer end of each fan blade 17 is connected with the center of the arc-shaped plastic sheet 11, namely the outer end is symmetrically distributed; the fan blade central shaft 16, the fan blade 17 and the arc-shaped plastic sheet 11 are of an integrated structure; an aluminum sheet 12 is arranged on the outer side of the arc-shaped plastic sheet 11 and is used as a power generation friction plate, and the area size of the aluminum sheet 12 is the same as that of the arc-shaped plastic sheet 11; the aluminum sheets 12 are only arranged on the outer side surfaces of the pair of symmetrical arc-shaped plastic sheets 11, namely 2 aluminum sheets 12 are arranged; the electricity generating module further comprises a plastic shell ring 15; a friction layer ring is arranged on the inner side of the plastic shell ring 15; the material is made of PDMS; the outer side surface of the PDMS friction layer ring 14 is provided with a plurality of copper sheets 13 serving as electrode plates, namely the copper sheets are arranged between the plastic shell ring 15 and the PDMS friction layer ring 14; the copper sheets 13 are provided with 4 sheets in total, are symmetrically distributed at equal angles, and have the same area size as the aluminum sheets 12; the PDMS friction layer ring 14 and the arc plastic sheet 11 are designed by taking the fan blade central shaft 16 as a central shaft, and have a certain distance. The PDMS friction layer ring 14, the copper sheet 13 and the plastic shell ring 15 have the same width and are adhered into a whole, and are fixedly connected with the support module 2 through a shell ring support rod 24.

The supporting module comprises a cross rod 21, a vertical rod 22, a base 23 and a shell ring supporting rod 24; the cross bar 21 and the vertical bar 22 are of an integral structure; the joint of the head part of the cross bar 21 and the fan blade central shaft 16 is provided with a rotating shaft connection; the vertical rod 22 is connected with the base 23 through a rotating shaft at the joint; one end of the outer shell ring supporting rod 24 is connected with two sides of the horizontal position of the plastic outer ring shell 15, and the other end of the outer shell ring supporting rod 24 is connected with the cross rod 21, namely, the outer shell ring supporting rod 24 fixedly connects the plastic outer ring shell 15 with the cross rod 21.

The steering module 3 consists of a tail wing part; the tail fin is arranged at the tail part of the cross rod 21.

The working principle of the utility model is as follows: when the fan blades 17 in the electricity generating module 1 rotate under the action of wind power; driving the arc plastic sheet 11 and the aluminum sheet 12 to rotate; the aluminum sheet 12 and the PDMS friction ring layer 14 are mutually rubbed to form friction power generation; the current is transmitted out through the copper sheet 13; the tail wing of the steering module 3 is steered by using resistance generated by air flow, so that the whole device is driven to steer upwind, wind energy collected along the wind direction can be collected, and the utilization rate of the wind energy is improved.

The detailed current transfer is as follows: as shown in fig. 5, the aluminum sheets 12 and the PDMS friction layer ring 14 form friction, so that charges are transferred between the two sheets, wherein two sheets of aluminum sheets 12 are positively charged, the PDMS friction layer ring is negatively charged, and according to the charge balance principle and because the number of the aluminum sheets 12 is half of that of the copper sheets 13, one sheet of copper sheet 131 in two adjacent sheets of copper sheets 13 is negatively charged, and the other sheet of copper sheet 132 is positively charged; as the position of the aluminum sheet 12 is shifted, the charges of the adjacent copper sheets are transferred through the conducting wires, part of the negative charges on the copper sheets 131 are transferred to the copper sheets 132, and the transfer of the charges generates current; when the aluminum tabs 121 are transferred to the position in fig. 6, the charge flow ends and the next cycle begins. Similarly, the charge transfer on the

copper sheets

133 and 134 also generates current. When the system operates periodically, reciprocating electron flow is formed between the electrodes, so that conversion between mechanical energy and electric energy is realized.

Claims

1. The utility model provides a friction nanometer power generation facility is collected to rotation type wind energy, includes power generation module, support module and turns to the module, its characterized in that: the electricity generating module comprises a fan blade central shaft, a fan blade, an arc-shaped plastic sheet connected with the outer end head of the fan blade, a friction layer ring, an electricity generating friction plate, an electrode plate and a plastic shell ring; the supporting module comprises a cross rod, a vertical rod, a base and a shell ring supporting rod; the steering module is composed of a tail wing part.

2. The rotary wind energy collecting friction nano-generator according to claim 1, wherein: the fan blade central shaft, the fan blade and the arc-shaped plastic sheet connected with the outer end of the fan blade are of an integrated structure; the outer side surface of the arc plastic sheet is provided with a power generation friction plate; the inner side of the plastic shell ring is provided with a friction layer ring; the outer side surface of the friction layer ring is provided with a plurality of electrode plates which are arranged between the plastic shell ring and the friction layer ring; the friction layer ring and the arc plastic sheet are designed with the same central axis and have a certain distance.

3. The rotary wind energy collecting friction nano-generator according to claim 1, wherein: the cross rods and the vertical rods are of an integrated structure; the joint of the head part of the cross bar and the central shaft of the air vane is provided with a rotating shaft for connection; the vertical rod is connected with the base through a rotating shaft at the joint; one end of the outer shell ring supporting rod is connected with two sides of the horizontal position of the plastic outer ring shell, and the other end of the outer shell ring supporting rod is connected with the cross rod, namely the outer shell ring supporting rod fixedly connects the plastic outer ring shell with the cross rod; the tail wing of the steering module is arranged at the tail part of the cross rod.

4. A rotary wind energy harvesting friction nano-generator according to claim 2, wherein: the fan blades are provided with 4 blades which are distributed at equal angles, the inner end heads of the fan blades are connected with a central shaft of the fan blades, an arc plastic sheet connected with the outer end heads of the fan blades takes the central shaft of the fan blades as the center of a circle, the arc length is 1/8 which is the concentric circumference taking the central shaft of the fan blades as the center of a circle, and the outer end heads of the fan blades are connected with the center positions of the arc plastic sheets, namely, the blades are distributed symmetrically.

5. A rotary wind energy harvesting friction nano-generator according to claim 2, wherein: the power generation friction plate is an aluminum sheet, and the area of the aluminum sheet is the same as the area of the arc plastic sheet in size; the aluminum sheets are only arranged on the outer side surfaces of the pair of symmetrical arc-shaped plastic sheets, namely 2 aluminum sheets are arranged.

6. A rotary wind energy harvesting friction nano-generator according to claim 2, wherein: the friction layer ring is made of PDMS (Polydimethylsiloxane) material.

7. A rotary wind energy harvesting friction nano-generator according to claim 2, wherein: the electrode plates are 4 copper plates which are symmetrically distributed on the outer side of the PDMS friction layer ring at equal angles, and the area size of the electrode plates is the same as that of the aluminum plates; the PDMS friction layer ring and the plastic shell ring are in the same circle center with the central shaft of the fan blade; the PDMS friction layer ring, the copper sheet and the plastic shell ring are identical in width and are adhered into a whole, and the PDMS friction layer ring, the copper sheet and the plastic shell ring are fixedly connected with the support module through the shell ring support rod.