CN214756109U

CN214756109U - Composite friction power generation device

Info

Publication number: CN214756109U
Application number: CN202121397307.1U
Authority: CN
Inventors: 王浩; 成泰洪; 许超杰; 李振哲
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-16
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a composite friction generating set, which comprises a shell and an inner cylinder, wherein a magnet, a friction electromagnetic composite generating set and a friction nanometer generator are arranged in the inner cylinder; the friction nano generator comprises an upper layer of PET flexible substrate and a lower layer of PET flexible substrate, wherein the middle part of the PET flexible substrate is provided with fiber paper which is folded to form a multi-layer sandwich layer; copper electrodes are laid on the interlayer surface of the fiber paper, a first PTFE film is laid on the copper electrode on the interlayer surface of the upper layer, and a first nylon 66 film is laid on the copper electrode on the interlayer surface of the lower layer; a plurality of first springs are arranged between the PET flexible substrates; the friction electromagnetic composite power generation set comprises a winding cylinder, a copper coil is wound on the outer wall of the winding cylinder, a second nylon 66 film and an iron electrode are paved on the inner wall of the winding cylinder, a sliding magnetic ring is connected to the middle of the winding cylinder through a second spring, and a second PTFE film is paved on the outer wall of the sliding magnetic ring. The utility model discloses can rock the electricity generation of direct acquisition mechanical energy through shaking, and the structure is small and exquisite, and light in weight can hand-carry.

Description

Composite friction power generation device

Technical Field

The utility model relates to a power generation technical field, in particular to compound friction power generation facility.

Background

Energy shortage is a serious challenge for future human society, and the development of renewable new energy has become a strategic worldwide choice for alleviating the problems of fossil fuel dependence and resource exhaustion. The invention of the triboelectric nanogenerator provides a promising solution to this problem. The technology generates power by collecting huge energy which is common in the nature and is not reasonably applied, such as wind energy, human body mechanical energy, ocean energy and the like, has the advantages of high power density, low manufacturing cost, light weight and the like compared with other generators, and has the potential of large-scale deployment. Therefore, how to design a friction nanometer power generation device which can be carried about and can be conveniently used for power generation in actual life becomes a technical problem which needs to be solved by the applicant urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hybridization compound friction nanometer generator. The utility model discloses can wave through direct collection and rock the electricity generation, and the structure is small and exquisite, light in weight can hand-carry.

The technical scheme of the utility model: a composite friction power generation device comprises a shell and an inner cylinder, wherein a magnet, a friction electromagnetic composite power generation set and a friction nano generator are arranged in the inner cylinder; the friction nano generator comprises an upper layer of PET flexible substrate and a lower layer of PET flexible substrate, wherein the middle part of the PET flexible substrate is provided with fiber paper which is folded to form a multi-layer sandwich layer; copper electrodes are laid on the interlayer surface of the fiber paper, a first PTFE film is laid on the copper electrode on the interlayer surface of the upper layer, and a first nylon 66 film is laid on the copper electrode on the interlayer surface of the lower layer; a plurality of first springs are arranged between the PET flexible substrates; the friction electromagnetic composite power generation set comprises a winding cylinder, wherein a copper coil is wound on the outer wall of the winding cylinder, a second nylon 66 film and an iron electrode are laid on the inner wall of the winding cylinder, a sliding magnetic ring is arranged in the middle of the winding cylinder, and the upper side and the lower side of the sliding magnetic ring are respectively connected with the top end and the bottom end of the winding cylinder through a second spring; and a second PTFE film is paved on the outer wall of the sliding magnetic ring.

The shell of the composite friction nano generator comprises an upper cover, a lower cover and a middle barrel, wherein the middle barrel is in threaded connection with the upper cover and the lower cover respectively.

In the composite friction nano-generator, the inner cylinder comprises an upper inner cylinder and a lower inner cylinder; the upper inner cylinder is provided with a magnet, and the lower inner cylinder is internally provided with a shape friction nano generator; the friction electromagnetic composite power generation set is arranged between the upper inner cylinder and the lower inner cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses can hand-carry, generate electricity through the mechanical energy of gathering the rocking, have small in size, manufacturing cost is lower, the response is sensitive and application scope is wide characteristics.

2. The utility model designs three different power generation modes, namely electromagnetic induction power generation, an independent layer type friction nanometer generator and a vertical contact-separation type friction nanometer generator, under a smaller volume, effectively utilizes the space and increases the output.

3. The utility model discloses utilize magnet magnetization ferromagnetic electrode, improve the output of friction nanometer generator to utilize the spring to store kinetic energy, the kinetic energy that makes the low frequency rock can keep longer time motion improvement power generation effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the outer and inner barrels;

FIG. 4 is a schematic structural diagram of a paper folding friction nano-generator;

FIG. 5 is a schematic structural view of a fold of fibrous paper;

FIG. 6 is a schematic structural diagram of a triboelectric-magnetic composite power generation stack;

FIG. 7 is a schematic perspective view of a triboelectric-magnetic composite power generation set

FIG. 8 is a simplified structural schematic diagram of a triboelectric-magnetic compound power generation stack;

fig. 9 is a schematic diagram of an embodiment of the present invention in which a paper folding friction nano-generator generates electrical pulses;

FIG. 10 is a schematic plan view of an independent layer type friction nano-generator of the friction electromagnetic composite power generation set in the embodiment.

Reference numerals

1. A housing; 2. an inner barrel; 3. a friction nanogenerator; 4. a friction electromagnetic composite power generation set; 101. an upper cover; 102. a lower cover; 103. an intermediate barrel; 201. an upper inner cylinder; 202. a magnet; 203. a lower inner cylinder; 301. a PET flexible substrate; 302. fiber paper; 303. a first PTFE membrane; 304. a copper electrode; 305. a first nylon 66 film; 306. a first spring; 401. winding a wire cylinder; 402. a copper coil; 403. a second nylon 66 film; 404. an iron electrode; 405. a second spring; 406. a sliding magnetic ring; 407. a second PTFE membrane.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): a composite friction power generation device is shown in figures 1 and 2 and comprises a shell 1, an inner cylinder 2, a paper folding friction nanometer generator 3 and a friction electromagnetic composite power generation set 4; as shown in fig. 3, the housing 1 is formed by screwing an upper cover 101, a lower cover 102 and an intermediate cylinder 103 of a cylindrical body in this order. The inner cylinder 2 consists of an upper inner cylinder 201 and a lower inner cylinder 203, and is connected to the inner wall of the shell 1 by glue, the upper inner cylinder 201 is provided with a magnet 202, and the lower inner cylinder 203 is provided with a shape friction nano-generator 3; the friction electromagnetic composite power generation set 4 is arranged between the upper inner cylinder 201 and the lower inner cylinder 203. As shown in fig. 4, the friction nanogenerator 3 comprises two PET flexible substrates 301 which are arranged at the top and the bottom, namely two PET flexible substrates 301 are used as the top and the bottom, a fiber paper 302 which is folded and provided with a plurality of interlayer surfaces is adhered in the middle, a copper electrode 304 is laid on the interlayer surface of the fiber paper 302, as shown in fig. 5, a first PTFE film 303 is laid on the copper electrode 304 on the interlayer surface at the upper layer, a first nylon 66 film 305 is laid on the copper electrode 304 on the interlayer surface at the lower layer, and 4 first springs 306 are arranged between the PET flexible substrates 301 according to a circumferential array; as shown in fig. 9, the friction nano-generator 3 can realize vertical movement under the action of shaking, and the contact surface is constantly subjected to vertical displacement change and contact, so as to generate a potential difference to form triboelectricity. As shown in fig. 6 and 7, the friction electromagnetic composite power generation set 4 includes a winding cylinder 401, a copper coil 402 is wound on the outer wall of the winding cylinder 401, a second nylon 66 film 403 and an iron electrode 404 are laid on the inner wall of the winding cylinder 401, a sliding magnetic ring 406 is disposed in the middle of the winding cylinder 401, and the upper side and the lower side of the sliding magnetic ring 406 are respectively connected with the top end and the bottom end of the winding cylinder 401 through a second spring 405; and a second PTFE film 407 is paved on the outer wall of the sliding magnetic ring 406. As shown in fig. 10, when the sliding magnet ring 406 is shaken, the sliding magnet ring 406 continuously slides up and down by the second spring 405, and the PTFE film 407 and the nylon 66 film 403 rub against each other while the sliding magnet ring 406 and the copper coil 402 perform conductor cutting magnetic induction line motion to generate electromagnetic induction, thereby forming independent layer type friction power generation with the iron electrode 404.

The utility model discloses a magnet 202 in last inner tube 201 magnetizes iron electrode 404, when the structure is shaken external force and is vibrated, slides magnetic ring 406 and slides from top to bottom along with spring 405 to the flexible basement 301 of PET and the spring 306 that drive paper folding shape friction nanometer generator 3 take place to vibrate, in the motion process the utility model discloses convert external force mechanical energy into the electric energy in less spatial structure, the external force that receives is big more then the velocity of motion of sliding magnetic ring is fast more, and the output is high more. The utility model discloses a spring makes the irregular motion of low frequency can keep the dead time, and the magnetization can promote the output of friction nanometer generator, is expected to be expected to hand-carry this design array for electric capacity charge or be used for the ocean to collect the wave energy and generate electricity etc..

Principle of operation

When the utility model is shaken, the sliding magnetic ring 406 is driven by the spring to slide up and down, the copper coil 402 is wound on the outer wall of the winding coil to serve as a conductor, the magnetic induction line changes in the movement process, the conductor cuts the magnetic induction line movement, so that electromagnetic induction power generation occurs, the magnitude of induced current is positively correlated with the change rate of magnetic flux in unit time and the number of turns of the coil, therefore, the faster the movement speed of the sliding magnetic ring 406 is, the more the number of turns of the coil is, the better the power generation effect is; meanwhile, a nylon 66 film and an iron electrode 404 are paved on the inner wall of the winding cylinder 401, a second PTFE film is paved on the outer wall of the sliding magnetic ring 406, an independent layer mode friction nanometer generator 3 is formed in the sliding process to output, and a magnet 202 is arranged at the top of the inner cylinder 2 to magnetize the iron electrode 404 and improve the output effect; the sliding magnetic ring 406 also drives the paper folding type friction nano generator 3 in the bottom inner cylinder 2 to do up-and-down reciprocating motion in the up-and-down sliding process, a first PTFE film and a copper electrode 304 are paved on one side surface of the paper folding type friction nano generator 3, a first nylon 66 film and a copper electrode 304 are paved on the other side contact surface, and vertical direction displacement difference and contact are generated in the moving process to form a vertical contact-separation type friction nano generator 3 for outputting.

Claims

1. A composite friction power generation device is characterized in that: the device comprises a shell (1) and an inner cylinder (2), wherein a magnet (202), a friction electromagnetic composite power generation set (4) and a friction nano generator (3) are arranged in the inner cylinder; the friction nano generator (3) comprises an upper PET flexible substrate (301) and a lower PET flexible substrate, wherein the middle part of the PET flexible substrate (301) is provided with fiber paper (302) which is folded to form a multi-layer sandwich layer; a copper electrode (304) is laid on the interlayer surface of the fiber paper (302), a first PTFE film (303) is laid on the copper electrode (304) on the upper interlayer surface, and a first nylon 66 film (305) is laid on the copper electrode (304) on the lower interlayer surface; a plurality of first springs (306) are arranged between the PET flexible substrates (301); the friction electromagnetic composite power generation set (4) comprises a winding cylinder (401), a copper coil (402) is wound on the outer wall of the winding cylinder (401), a second nylon 66 film (403) and an iron electrode (404) are paved on the inner wall of the winding cylinder (401), a sliding magnetic ring (406) is arranged in the middle of the winding cylinder (401), and the upper side and the lower side of the sliding magnetic ring (406) are respectively connected with the top end and the bottom end of the winding cylinder (401) through a second spring (405); and a second PTFE film (407) is paved on the outer wall of the sliding magnetic ring (406).

2. The compound friction power generation device according to claim 1, characterized in that: the shell (1) comprises an upper cover (101), a lower cover (102) and a middle cylinder (103), wherein the middle cylinder is in threaded connection with the upper cover (101) and the lower cover (102) respectively.

3. The compound friction power generation device according to claim 1, characterized in that: the inner cylinder (2) comprises an upper inner cylinder (201) and a lower inner cylinder (203); a magnet (202) is placed in the upper inner cylinder (201), and a shape friction nano-generator (3) is placed in the lower inner cylinder (203); the friction electromagnetic composite power generation set (4) is arranged between the upper inner cylinder (201) and the lower inner cylinder (203).